/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #000000;
    --white: #ffffff;
    --gray: #1a1a1a;
    --light-gray: #2a2a2a;
    --text-gray: #888888;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
}

html {
    scroll-behavior: smooth;
    cursor: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--black);
    color: var(--white);
    overflow-x: hidden;
    cursor: none;
}

/* Remove default underline from project links on desktop cards */
.project-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card-link:hover,
.project-card-link:focus,
.project-card-link:active {
    text-decoration: none;
    color: inherit;
}

.project-card-link * {
    text-decoration: none;
}

/* Custom Cursor */
.cursor {
    width: 8px;
    height: 8px;
    background-color: var(--white);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--white);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    mix-blend-mode: difference;
}

body:hover .cursor-follower {
    transform: translate(-50%, -50%) scale(1.2);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2rem 4rem;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease;
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.7;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    transition: opacity 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 8rem 4rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: left;
    max-width: 1600px;
    margin: 0;
    width: 100%;
}

.hero-main {
    display: flex;
    align-items: center;
    gap: 4rem;
    width: 100%;
}

.hero-text {
    flex: 1;
}

.hero-mascot {
    flex-shrink: 0;
    opacity: 0;
    animation: fadeIn 1s ease 0.8s forwards;
    position: relative;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.mascot-text {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 4px;
    color: var(--white);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
    white-space: nowrap;
}

.hero-mascot:hover .mascot-text {
    opacity: 1;
    transform: translateX(0);
}

.mascot-image {
    width: 500px;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.hero-mascot:hover .mascot-image {
    transform: scale(1.05);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero-title .line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title .line:nth-child(1) {
    animation-delay: 0.2s;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-title .line:nth-child(3) {
    animation-delay: 0.6s;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    letter-spacing: 3px;
    opacity: 0;
    animation: fadeIn 1s ease 0.8s forwards;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-dot {
    width: 6px;
    height: 6px;
    background-color: var(--white);
    border-radius: 50%;
}

/* Filters */
.filters {
    padding: 4rem 4rem 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.filter-container {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
    letter-spacing: 1px;
    cursor: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-radius: 999px;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    transition: left 0.3s ease;
    z-index: -1;
    border-radius: 999px;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    left: 0;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--black);
}

/* Projects Grid */
.projects {
    padding: 2rem 4rem 6rem;
    max-width: 1600px;
    margin: 0 auto;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
    background: var(--gray);
    border: 1px solid var(--light-gray);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    cursor: none;
}

/* Desktop cards: always-visible info like mobile cards */
.desktop-projects .project-card {
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    background: transparent;
    border: none;
}

.motion-projects .project-card {
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    background: transparent;
    border: none;
}

.motion-projects .project-video-container {
    aspect-ratio: 16/9;
    border: 1px solid var(--light-gray);
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

.project-image {
    width: 100%;
    height: 100%;
    position: relative;
    background: linear-gradient(135deg, var(--gray) 0%, var(--light-gray) 100%);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.5s ease;
}

.desktop-projects .project-image {
    height: auto;
    aspect-ratio: 16/9;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

/* Desktop project info block: match app-card style */
.project-card-info {
    padding: 1.25rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.project-card-info .project-category {
    margin-bottom: 0;
}

.project-card-info .project-title {
    margin-bottom: 0;
    font-size: 1.8rem;
}

.project-card-info .project-description {
    margin-bottom: 0;
}

.project-card-info .project-link {
    margin-top: 0.5rem;
    width: fit-content;
}

.project-card-info .project-price-badge {
    margin-top: 0.35rem;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--text-gray);
    font-size: 0.95rem;
    letter-spacing: 1px;
}

/* App price: match minimal text style */
.app-price {
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--text-gray);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.project-price-badge {
    margin-top: 1rem;
    display: inline-flex;
    align-self: flex-start;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(0, 0, 0, 0.45);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.app-price {
    margin-top: 0.4rem;
    display: inline-flex;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    width: fit-content;
}

.project-card:hover .project-overlay {
    transform: translateY(0);
    opacity: 1;
}

.project-category {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-gray);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.project-link:hover {
    gap: 1rem;
}

/* About Section */
.about {
    padding: 6rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.about-container {
    max-width: 1600px;
    margin: 0 auto;
}

.about-content {
    text-align: left;
}

.section-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 300;
    margin-bottom: 3rem;
    letter-spacing: -1px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    text-align: left;
}

.about-body .about-text {
    margin-bottom: 1.35rem;
}

.about-body .about-text:last-child {
    margin-bottom: 3rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.faq-page .faq-list {
    margin-top: 0;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 720px;
}

.faq-item h3 {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 0.65rem;
    letter-spacing: 0.3px;
}

.faq-item p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-gray);
    margin: 0;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.skill-item {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--white);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: none;
}

.skill-item:hover {
    background-color: var(--white);
    color: var(--black);
}

.ai-section-title {
    font-size: 1.5rem;
    font-weight: 300;
    margin-top: 4rem;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.ai-skills {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

/* Contact Section */
.contact {
    padding: 6rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
    text-align: left;
}

.contact-container {
    max-width: 1600px;
    margin: 0 auto;
}

.contact-links {
    display: flex;
    justify-content: flex-start;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.contact-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 2px;
    position: relative;
    transition: opacity 0.3s ease;
}

.contact-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.contact-link:hover::after {
    width: 100%;
}

.contact-link:hover {
    opacity: 0.7;
}

/* Contact icon link (Telegram) */
.contact-link.contact-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    opacity: 1;
}

.contact-link.contact-link-icon::after {
    display: none;
}

.contact-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.contact-link.contact-link-icon:hover {
    border-color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    padding: 2.5rem 4rem 3rem;
    text-align: center;
    border-top: 1px solid var(--light-gray);
    max-width: 1600px;
    margin: 0 auto;
    scroll-margin-top: 96px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}

.footer-quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: flex-start;
}

.footer-contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 1.1rem;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: var(--white);
    text-decoration: none;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.footer-contact-link:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.06);
}

.footer-form-block {
    width: 50%;
    max-width: none;
    margin-left: auto;
    margin-right: auto;
}

.contact-form--footer {
    padding: 1.15rem 1.35rem;
    margin-top: 0.35rem;
}

.contact-form--footer .footer-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
}

.form-group--footer {
    margin-bottom: 0.65rem;
}

.form-group--footer label {
    font-size: 0.75rem;
    margin-bottom: 0.35rem;
}

.form-input--footer {
    padding: 0.5rem 0.65rem;
    font-size: 0.85rem;
}

.contact-form--footer textarea.form-input {
    min-height: 4.5rem;
    resize: vertical;
}

@media (max-width: 900px) {
    .footer-form-block {
        width: 100%;
    }

    .footer-quick-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .contact-form--footer .footer-form-row {
        grid-template-columns: 1fr;
    }

    .footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

.btn-footer-submit {
    width: 100%;
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

.footer-copy {
    color: var(--text-gray);
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin: 0;
}

/* Product Page Styles */
.product-header {
    padding: 8rem 4rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.product-header-container {
    animation: fadeInUp 0.8s ease;
}

.back-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 3rem;
    transition: opacity 0.3s ease;
}

.back-link:hover {
    opacity: 0.7;
}

.product-meta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-category-badge {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-gray);
    text-transform: uppercase;
}

.product-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 300;
    letter-spacing: -2px;
    line-height: 1.2;
}

.product-hero {
    padding: 0 4rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.product-hero-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--gray);
    border: 1px solid var(--light-gray);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    animation: fadeIn 1s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* App hero (single mockup on mobile) */
.product-hero-image.app-hero {
    background: transparent;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    aspect-ratio: auto;
    height: min(72vh, 760px);
}

.product-hero-image.app-hero .app-hero-img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

/* Video hero (Vimeo) */
.product-hero-image.video-hero {
    border: none;
    background: transparent;
    display: block;
    padding: 0;
}

.vimeo-hero-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border: 1px solid var(--light-gray);
    background: #000;
    border-radius: var(--radius-lg);
}

.vimeo-hero-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* Hero preview thumbs (under main preview image) */
.product-hero-preview {
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-preview-btn {
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--white);
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
    cursor: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 999px;
}

.hero-preview-btn:hover {
    background: var(--black);
    color: var(--white);
}

.hero-preview-track {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding: 0.25rem 0;
    flex: 1;
    scroll-behavior: smooth;
}

.hero-preview-thumb {
    background: transparent;
    border: 1px solid var(--light-gray);
    width: 120px;
    height: 72px;
    padding: 0;
    cursor: none;
    flex: 0 0 auto;
    transition: border-color 0.3s ease, transform 0.2s ease;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.hero-preview-thumb:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.6);
}

.hero-preview-thumb.active {
    border-color: var(--white);
}

.hero-preview-thumb img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    background: var(--gray);
}

.product-hero-image.multi-hero {
    background: transparent !important;
    border: none !important;
    gap: 2rem;
    height: 600px;
    aspect-ratio: auto;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-multi-img {
    height: 100%;
    max-width: calc(20% - 2rem);
    width: auto;
    object-fit: contain;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-multi-img:nth-child(1) { animation-delay: 0.1s; }
.hero-multi-img:nth-child(2) { animation-delay: 0.2s; }
.hero-multi-img:nth-child(3) { animation-delay: 0.3s; }
.hero-multi-img:nth-child(4) { animation-delay: 0.4s; }
.hero-multi-img:nth-child(5) { animation-delay: 0.5s; }

.product-content {
    padding: 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.product-content-container {
    max-width: 1600px;
    margin: 0 auto;
}

.product-info {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
}

.product-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: sticky;
    top: 8rem;
    height: fit-content;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Highlight project price */
#productPriceContainer {
    padding: 1.25rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border-radius: 14px;
}

#productPriceContainer .detail-label {
    color: rgba(255, 255, 255, 0.75);
}

#productPrice {
    font-size: 1.6rem;
    letter-spacing: 0.2px;
    color: var(--white);
}

@media (max-width: 768px) {
    #productPrice {
        font-size: 1.4rem;
    }
}

.detail-label {
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-gray);
    text-transform: uppercase;
}

.detail-value {
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.detail-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease, opacity 0.3s ease;
    border-bottom: 1px solid transparent;
}

.detail-link:hover {
    gap: 1rem;
    opacity: 0.7;
    border-bottom-color: var(--white);
}

.product-description-full {
    line-height: 1.8;
}

.product-description-full h2 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    margin-top: 3rem;
    letter-spacing: -0.5px;
}

.product-description-full h2:first-child {
    margin-top: 0;
}

.product-description-full p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.product-description-full ul {
    list-style: none;
    margin-bottom: 2rem;
}

.product-description-full ul li {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.product-description-full ul li::before {
    content: '—';
    position: absolute;
    left: 0;
}

.product-gallery {
    padding: 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.product-gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-gallery-container--captioned {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
}

.captioned-gallery-item {
    margin: 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.captioned-gallery-item img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background: var(--gray);
    cursor: pointer;
}

.captioned-gallery-item figcaption {
    min-height: 4.5rem;
    padding: 1rem;
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.35;
    border-top: 1px solid var(--light-gray);
}

.gallery-item {
    aspect-ratio: 4/3;
    background: var(--gray);
    border: 1px solid var(--light-gray);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

/* Product Slider */
.product-slider {
    margin-top: 4rem;
}

.slider-container {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.slider-viewport {
    flex: 1;
    overflow: hidden;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
}

.slider-item {
    min-width: 100%;
    aspect-ratio: 16/9;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    flex-shrink: 0;
}

.slider-btn {
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--white);
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 999px;
}

.slider-btn:hover {
    background: var(--black);
    color: var(--white);
}

.slider-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--light-gray);
    border: 1px solid var(--white);
    cursor: none;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--white);
}

.slider-dot:hover {
    transform: scale(1.2);
}

/* Product PDF Viewer */
.product-pdf {
    padding: 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

.product-pdf-container {
    max-width: 1600px;
    margin: 0 auto;
}

.product-pdf-container h2 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.pdf-viewer-wrapper {
    width: 100%;
    height: 800px;
    background: var(--gray);
    border: 1px solid var(--light-gray);
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.pdf-viewer-wrapper iframe {
    width: 100%;
    height: 100%;
}

.image-document-viewer {
    width: 100%;
    max-height: 920px;
    overflow-y: auto;
    overflow-x: hidden;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    background: var(--gray);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.image-document-viewer img {
    display: block;
    width: 100%;
    height: auto;
}

/* Multiple PDFs list */
.pdf-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.pdf-item-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.pdf-item-title {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.2px;
    color: var(--white);
}

/* Lightbox (fullscreen image viewer) */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.open {
    display: flex;
}

.lightbox-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    background: transparent;
}

.lightbox-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 48px;
    height: 48px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.4);
    color: var(--white);
    font-size: 2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: none;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 54px;
    height: 54px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.4);
    color: var(--white);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: none;
}

.lightbox-prev {
    left: 1.25rem;
}

.lightbox-next {
    right: 1.25rem;
}

.lightbox-close:hover,
.lightbox-nav:hover {
    border-color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 1024px) {
    .lightbox-close,
    .lightbox-nav {
        cursor: default;
    }
}

.next-project {
    padding: 6rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
    text-align: left;
    border-top: 1px solid var(--light-gray);
}

.next-project-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    letter-spacing: 2px;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    transition: gap 0.3s ease;
}

.next-project-link:hover {
    gap: 2rem;
}

/* Mode Tabs */
/* Work header */
.work-header {
    padding: 2rem 4rem 1rem;
    max-width: 1600px;
    margin: 0 auto;
    text-align: center;
}

.work-heading {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 300;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.mode-tabs {
    padding: 0;
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.mode-tabs-wrapper {
    padding: 0.5rem;
}

.mode-tabs-container {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-tab {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    padding: 0.2rem 0.2rem;
    font-size: clamp(1rem, 1.6vw, 1.35rem);
    font-weight: 400;
    letter-spacing: 0.2px;
    cursor: none;
    transition: color 0.25s ease, opacity 0.25s ease;
    position: relative;
}

.mode-tab::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 2px;
    background: var(--white);
    opacity: 0;
    transform: scaleX(0.6);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.mode-tab:hover {
    color: rgba(255, 255, 255, 0.85);
}

.mode-tab.active {
    color: var(--white);
}

.mode-tab.active::after {
    opacity: 1;
    transform: scaleX(1);
}

/* Mobile Bottom Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    padding: 0.65rem 0.35rem;
    z-index: 1000;
    border-top: 1px solid var(--light-gray);
    justify-content: space-around;
    align-items: center;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    color: var(--text-gray);
    transition: color 0.3s ease;
}

.mobile-nav-item.active {
    color: var(--white);
}

.mobile-nav-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.mobile-nav-icon-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border: 1px solid currentColor;
    border-radius: 4px;
    box-sizing: border-box;
    filter: none;
    opacity: 0.85;
}

.mobile-nav-item.active .mobile-nav-icon-fallback {
    opacity: 1;
    border-color: var(--white);
}

.mobile-nav-label {
    font-size: 0.58rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-align: center;
    max-width: 56px;
    line-height: 1.15;
}

/* Vimeo Wrapper */
.project-video-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.vimeo-wrapper {
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.vimeo-wrapper iframe {
    width: 100%;
    height: 100%;
    transform: scale(1.3); /* To hide player controls */
}

/* App & Music Projects */
.app-projects-container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem 2rem;
}

.app-card-item {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.app-image-container {
    width: 100%;
    height: 660px; /* 440px * 1.5 = 660px */
    background: transparent;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.app-mockup-image {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.app-card-info {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.app-card-info .project-category {
    margin-bottom: 0;
}

.app-card-info .project-title {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.app-card-info .project-description {
    margin-bottom: 0.5rem;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
    box-sizing: border-box;
}

.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    width: 100%;
    box-sizing: border-box;
}

.pricing-intro-header {
    grid-column: 1 / -1;
    margin-bottom: 3rem;
}

.pricing-subtitle {
    color: var(--text-gray);
    font-size: 1.1rem;
    letter-spacing: 1px;
    margin-top: 1rem;
}

.pricing-card {
    background: var(--gray);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--white);
    transform: translateY(-10px);
}

.pricing-card-featured {
    border-color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, var(--gray) 0%, #111 100%);
}

.pricing-card-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--white);
    color: var(--black);
    padding: 0.4rem 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
}

.pricing-card-title {
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.pricing-card-time {
    font-size: 0.8rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.5rem;
}

.pricing-card-price {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
    white-space: nowrap;
    flex-wrap: nowrap;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 300;
}

.price-currency {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.pricing-card-description {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.features-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-list li {
    font-size: 0.9rem;
    color: var(--white);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.4;
}

.features-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-gray);
}

.pricing-card-result {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--light-gray);
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.pricing-card-result strong {
    color: var(--white);
    font-weight: 400;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    html, body {
        cursor: default;
    }

    .cursor, .cursor-follower {
        display: none;
    }

    .nav {
        padding: 1.5rem 2rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-nav {
        display: flex;
    }

    .hero {
        padding: 6rem 2rem 3rem;
    }

    .hero-main {
        gap: 3rem;
    }

    .mascot-image {
        width: 250px;
    }

    .mascot-text {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }

    .work-header {
        padding: 2rem 1rem 1rem;
    }

    .mode-tab {
        cursor: default;
    }

    .filters {
        padding: 3rem 2rem 2rem;
    }

    .filter-btn {
        cursor: default;
    }

    .projects {
        padding: 2rem 2rem 4rem;
    }

    .projects-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }

    .project-card {
        cursor: default;
    }

    .about,
    .contact {
        padding: 4rem 2rem;
    }

    .skill-item {
        cursor: default;
    }

    .pricing-section {
        padding: 4rem 1.5rem;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
        width: 100%;
        box-sizing: border-box;
        min-width: 0;
        max-width: 100%;
    }

    .pricing-container {
        grid-template-columns: 1fr;
    }

    .product-header,
    .product-hero,
    .product-content,
    .product-gallery {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .product-info {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .product-details {
        position: static;
    }

    .image-document-viewer {
        max-height: 72vh;
    }

    .slider-container {
        gap: 1rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        cursor: default;
    }

    .slider-dot {
        cursor: default;
    }

    .hero-preview-btn {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
        cursor: default;
    }

    .hero-preview-thumb {
        cursor: default;
        width: 96px;
        height: 60px;
    }

    body {
        padding-bottom: 70px;
    }
}

@media (max-width: 768px) {
    .hero-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .mascot-image {
        width: 200px;
    }

    .mascot-text {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }

    .hero-mascot {
        gap: 1rem;
    }

    .filter-container {
        gap: 1rem;
    }

    .filter-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.8rem;
    }

    .projects-container {
        grid-template-columns: 1fr;
    }

    .project-card {
        aspect-ratio: 16/9;
    }

    .contact-links {
        gap: 2rem;
    }

    .product-title {
        font-size: 2rem;
    }

    .product-gallery-container,
    .product-gallery-container--captioned {
        grid-template-columns: 1fr;
    }

    .captioned-gallery-item figcaption {
        min-height: auto;
    }

    .slider-container {
        gap: 0.5rem;
    }

    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem;
    }

    .nav-container {
        flex-direction: row;
        justify-content: center;
    }

    .hero {
        padding: 5rem 1rem 2rem;
    }

    .hero-main {
        gap: 1.5rem;
    }

    .mascot-image {
        width: 150px;
    }

    .filters,
    .projects,
    .about,
    .contact {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .pricing-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }

    .product-header,
    .product-hero,
    .product-content,
    .product-gallery {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Hide elements with filter */
.project-card.hidden {
    display: none;
}

/* --- CALCULATOR STYLES --- */
.calculator-section {
    padding: 3rem 4rem 6rem;
    max-width: 1120px;
    margin: 0 auto;
}

.calculator-section-inner {
    width: 100%;
}

.calculator-section-title {
    text-align: left;
    margin-bottom: 0.65rem;
}

.calculator-lead {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 1.75rem;
    max-width: 38rem;
}

.calculator-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 300px);
    gap: 0;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.calculator-work {
    padding: 2rem 2.25rem 2.5rem;
    border-right: 1px solid var(--light-gray);
}

.calculator-aside {
    padding: 1.75rem 1.5rem;
    background: var(--gray);
    display: flex;
    align-items: stretch;
}

.calculator-work .form-group:last-of-type {
    margin-bottom: 0;
}

.box-select .select-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
    margin-top: 0.65rem;
}

@media (min-width: 720px) {
    .box-select .select-options {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.option-card {
    position: relative;
    cursor: pointer;
}

.option-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.95rem 1rem;
    min-height: 3.25rem;
    background: transparent;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
    height: 100%;
    text-align: left;
}

.option-title {
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.35px;
    line-height: 1.35;
    color: var(--text-gray);
    transition: color 0.25s ease;
}

.option-card:hover .option-content {
    border-color: rgba(255, 255, 255, 0.35);
}

.option-card:hover .option-title {
    color: rgba(255, 255, 255, 0.9);
}

.option-card input:checked + .option-content {
    background: var(--white);
    border-color: var(--white);
}

.option-card input:checked + .option-content .option-title {
    color: var(--black);
}

@media (max-width: 900px) {
    .calculator-panel {
        grid-template-columns: 1fr;
    }

    .calculator-work {
        border-right: none;
        border-bottom: 1px solid var(--light-gray);
        padding: 1.75rem 1.5rem 2rem;
    }

    .calculator-aside {
        padding: 1.75rem 1.5rem 2rem;
    }
}

@media (max-width: 480px) {
    .calculator-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .box-select .select-options {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 1rem;
    color: var(--text-gray);
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: var(--gray);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--white);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--white);
}

.checkbox-label input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    background: var(--gray);
    border: 1px solid var(--text-gray);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--white);
    border-color: var(--white);
}

.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--black);
    border-radius: 2px;
}

.calculator-aside .calculator-result {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    margin: 0;
    padding: 1.5rem 1rem;
    background: transparent;
    border: none;
    border-radius: 0;
    animation: none;
}

.calculator-result {
    background: var(--gray);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
    animation: fadeInUp 0.5s ease;
}

.result-label {
    color: var(--text-gray);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.65rem;
}

.result-value {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: 0.85rem;
    line-height: 1.1;
}

.result-note {
    font-size: 0.78rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    max-width: 16rem;
}

.btn-calculator-cta {
    width: 100%;
    max-width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 0.88rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--black);
    text-decoration: none;
    border-radius: 999px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--white);
    cursor: pointer;
}

.btn-primary:hover {
    background: transparent;
    color: var(--white);
}

.btn-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--white);
    text-decoration: none;
    border-radius: 999px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--white);
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
}

/* --- CONTACT FORM STYLES --- */
.contact-page {
    position: relative;
    z-index: 1;
}

.contact-page--simple {
    min-height: 42vh;
}

.contact-page--simple .contact-desc {
    max-width: 34rem;
    margin-top: 0.5rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    padding-right: 2rem;
}

.contact-desc {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.contact-direct-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 1rem;
    background: var(--gray);
    border-radius: var(--radius-md);
    border: 1px solid var(--light-gray);
    transition: all 0.3s ease;
}

.contact-method-link:hover {
    border-color: var(--white);
    transform: translateX(5px);
}

.contact-form {
    background: var(--gray);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--light-gray);
}

.contact-form textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

/* Responsive fixes */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-info {
        padding-right: 0;
    }
}

.hero-buttons {
    margin-top: 2.5rem;
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 1s forwards;
    flex-wrap: wrap;
}

/* --- GLOBAL VISUAL POLISH: unified, laconic design without changing palette --- */
:root {
    --container: 1600px;
    --section-x: clamp(1rem, 4vw, 4rem);
    --section-y: clamp(4rem, 8vw, 7rem);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --border-soft: rgba(255, 255, 255, 0.12);
    --border-mid: rgba(255, 255, 255, 0.22);
    --surface-soft: rgba(255, 255, 255, 0.025);
    --surface-hover: rgba(255, 255, 255, 0.055);
    --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.45);
}

html {
    text-rendering: geometricPrecision;
}

body {
    position: relative;
    background:
        radial-gradient(circle at 12% 10%, rgba(255, 255, 255, 0.08), transparent 28rem),
        radial-gradient(circle at 88% 18%, rgba(255, 255, 255, 0.045), transparent 24rem),
        var(--black);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(circle at 50% 0%, rgba(0, 0, 0, 0.55), transparent 72%);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9997;
    opacity: 0.04;
    background-image: repeating-linear-gradient(0deg, var(--white) 0, var(--white) 1px, transparent 1px, transparent 4px);
    mix-blend-mode: screen;
}

::selection {
    background: var(--white);
    color: var(--black);
}

.nav {
    padding: 1.25rem var(--section-x);
    background: rgba(0, 0, 0, 0.68);
    border-bottom: 1px solid var(--border-soft);
    backdrop-filter: blur(22px) saturate(130%);
}

.nav-container,
.hero-content,
.about,
.contact,
.product-header,
.product-hero,
.product-content,
.product-gallery,
.product-pdf,
.next-project,
.work-header,
.projects,
.filters,
.pricing-section,
.calculator-section,
.footer {
    max-width: var(--container);
}

.logo {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.22em;
}

.logo::before {
    content: '';
    width: 9px;
    height: 9px;
    margin-right: 0.75rem;
    border: 1px solid currentColor;
    border-radius: 999px;
    box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.055);
}

.nav-links {
    gap: 0.55rem;
    padding: 0.3rem;
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.025);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 1rem;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color 0.28s var(--ease-out), background 0.28s var(--ease-out), transform 0.28s var(--ease-out);
}

.nav-link::after {
    display: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.075);
    opacity: 1;
}

.nav-link:hover {
    transform: translateY(-1px);
}

.hero {
    padding: 9rem var(--section-x) 5rem;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    right: clamp(1rem, 8vw, 8rem);
    top: 18%;
    width: clamp(14rem, 32vw, 34rem);
    aspect-ratio: 1;
    border: 1px solid var(--border-soft);
    border-radius: 50%;
    opacity: 0.65;
    animation: slowSpin 24s linear infinite;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    right: clamp(4rem, 14vw, 18rem);
    top: 25%;
    width: clamp(7rem, 17vw, 18rem);
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 34% 66% 62% 38% / 42% 40% 60% 58%;
    animation: morphShape 12s var(--ease-out) infinite alternate;
    z-index: -1;
}

.hero-title,
.product-title,
.section-title,
.work-heading {
    max-width: 12ch;
    font-weight: 260;
    line-height: 0.94;
    letter-spacing: -0.065em;
    text-wrap: balance;
}

.hero-title {
    font-size: clamp(3.6rem, 9.4vw, 9.5rem);
    margin-bottom: 1.4rem;
}

.hero-title .line {
    transform-origin: left bottom;
}

.hero-subtitle,
.pricing-subtitle,
.calculator-lead,
.contact-desc {
    max-width: 42rem;
    color: rgba(255, 255, 255, 0.62);
    font-size: clamp(0.98rem, 1.1vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.04em;
}

.hero-subtitle {
    position: relative;
    padding-left: 5.25rem;
}

.hero-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85em;
    width: 4rem;
    height: 1px;
    background: currentColor;
    opacity: 0.75;
}

.hero-buttons {
    gap: 0.75rem;
}

.btn-primary,
.btn-secondary,
.filter-btn,
.footer-contact-link,
.btn-calculator-cta,
.btn-footer-submit,
.back-link,
.detail-link,
.project-link,
.next-project-link {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
    transition:
        transform 0.35s var(--ease-out),
        background 0.35s var(--ease-out),
        color 0.35s var(--ease-out),
        border-color 0.35s var(--ease-out),
        opacity 0.35s var(--ease-out),
        gap 0.35s var(--ease-out),
        box-shadow 0.35s var(--ease-out);
}

.btn-primary,
.btn-secondary {
    min-width: 190px;
    padding: 0 1.45rem;
    box-shadow: inset 0 0 0 1px transparent;
}

.btn-primary:hover,
.btn-secondary:hover,
.filter-btn:hover,
.filter-btn.active,
.footer-contact-link:hover,
.btn-calculator-cta:hover,
.btn-footer-submit:hover {
    transform: translateY(-2px);
}

.btn-primary:hover,
.filter-btn:hover,
.filter-btn.active,
.footer-contact-link:hover,
.btn-calculator-cta:hover,
.btn-footer-submit:hover {
    box-shadow: 0 16px 38px rgba(255, 255, 255, 0.08);
}

.back-link {
    padding: 0 1.1rem;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.025);
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.back-link:hover {
    border-color: var(--border-mid);
    background: rgba(255, 255, 255, 0.06);
    opacity: 1;
}

.filter-container,
.mode-tabs-container,
.footer-quick-links {
    gap: 0.65rem;
}

.filter-btn {
    min-width: 128px;
    min-height: 42px;
    padding: 0 1.25rem;
    border-color: var(--border-mid);
    background: rgba(255, 255, 255, 0.02);
}

.mode-tabs-wrapper {
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.025);
}

.mode-tabs-container {
    gap: 0.35rem;
}

.mode-tab {
    min-height: 44px;
    padding: 0 1.15rem;
    border-radius: 999px;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mode-tab::after {
    display: none;
}

.mode-tab:hover,
.mode-tab.active {
    background: rgba(255, 255, 255, 0.075);
}

.projects-container,
.pricing-container,
.product-gallery-container {
    gap: clamp(1.2rem, 2vw, 2.25rem);
}

.project-card,
.pricing-card,
.contact-form,
.calculator-panel,
.pdf-viewer-wrapper,
.gallery-item,
.slider-viewport,
.product-hero-image,
.vimeo-hero-wrapper,
.motion-projects .project-video-container,
.contact-method-link {
    border-color: var(--border-soft);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.desktop-projects .project-card,
.motion-projects .project-card,
.app-card-item,
.pricing-card,
.faq-item,
.product-details,
.product-description-full,
.calculator-panel,
.contact-form,
.footer-form-block,
.gallery-item {
    position: relative;
}

.desktop-projects .project-card,
.motion-projects .project-card,
.app-card-item {
    padding: 0.65rem;
    border: 1px solid transparent;
    border-radius: calc(var(--radius-lg) + 10px);
    transition: transform 0.5s var(--ease-out), border-color 0.5s var(--ease-out), background 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

.desktop-projects .project-card:hover,
.motion-projects .project-card:hover,
.app-card-item:hover {
    transform: translateY(-8px);
    border-color: var(--border-soft);
    background: var(--surface-soft);
    box-shadow: var(--shadow-card);
}

.project-badge {
    position: absolute;
    top: 1.15rem;
    left: 1.15rem;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    max-width: calc(100% - 2.3rem);
    min-height: 34px;
    padding: 0 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04)),
        rgba(0, 0, 0, 0.72);
    color: var(--white);
    font-size: 0.64rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.16),
        0 14px 32px rgba(0, 0, 0, 0.36);
    backdrop-filter: blur(14px) saturate(130%);
}

.project-badge::before {
    content: '';
    width: 0.46rem;
    height: 0.46rem;
    flex: 0 0 auto;
    border-radius: 999px;
    background: currentColor;
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.1);
}

.project-badge--diploma {
    border-color: rgba(255, 255, 255, 0.46);
}

.project-badge--hackathon {
    border-color: rgba(255, 255, 255, 0.86);
    background:
        linear-gradient(110deg, rgba(255, 255, 255, 0.92) 0%, rgba(182, 190, 204, 0.62) 32%, rgba(255, 255, 255, 0.98) 52%, rgba(140, 150, 166, 0.56) 76%, rgba(255, 255, 255, 0.86) 100%),
        rgba(12, 14, 18, 0.84);
    color: rgba(8, 10, 14, 0.94);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.42);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(0, 0, 0, 0.16),
        0 0 18px rgba(255, 255, 255, 0.62),
        0 0 34px rgba(205, 214, 230, 0.44),
        0 16px 36px rgba(0, 0, 0, 0.48);
}

.project-badge--hackathon::before {
    background: rgba(255, 255, 255, 0.96);
    box-shadow:
        0 0 0 5px rgba(255, 255, 255, 0.18),
        0 0 16px rgba(255, 255, 255, 0.86);
}

.project-card--hackathon {
    position: relative;
    border-color: rgba(244, 247, 255, 0.56);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.18),
        0 0 28px rgba(255, 255, 255, 0.26),
        0 0 58px rgba(204, 213, 230, 0.24),
        0 22px 54px rgba(0, 0, 0, 0.38);
}

.project-card--hackathon::before {
    content: '';
    position: absolute;
    inset: -1px;
    z-index: 0;
    pointer-events: none;
    border-radius: inherit;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.54) 31%, rgba(202, 211, 226, 0.36) 50%, transparent 73%);
    opacity: 0.72;
    mix-blend-mode: screen;
}

.project-card--hackathon::after {
    content: '';
    position: absolute;
    inset: -18px;
    z-index: -1;
    pointer-events: none;
    border-radius: calc(var(--radius-xl) + 18px);
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.42), transparent 54%),
        radial-gradient(circle at 15% 20%, rgba(196, 207, 226, 0.32), transparent 46%),
        radial-gradient(circle at 85% 18%, rgba(255, 255, 255, 0.28), transparent 48%);
    opacity: 0.92;
    filter: blur(14px);
}

.project-card--hackathon > :not(.project-badge) {
    position: relative;
    z-index: 1;
}

.project-card--hackathon .project-badge {
    position: absolute;
    top: 1.15rem;
    left: 1.15rem;
    z-index: 8;
}

.desktop-projects .project-card--hackathon:hover {
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.28),
        0 0 38px rgba(255, 255, 255, 0.42),
        0 0 78px rgba(211, 220, 236, 0.34),
        0 28px 66px rgba(0, 0, 0, 0.44);
}

.project-image,
.motion-projects .project-video-container,
.gallery-item,
.product-hero-image,
.slider-viewport,
.vimeo-hero-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.project-image::after,
.app-image-container::after,
.product-hero-image::after,
.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 34%, rgba(255, 255, 255, 0.035));
    opacity: 0;
    transition: opacity 0.45s var(--ease-out);
}

.project-card:hover .project-image::after,
.app-card-item:hover .app-image-container::after,
.product-hero-image:hover::after,
.gallery-item:hover::after {
    opacity: 1;
}

.app-image-container {
    position: relative;
    border-radius: calc(var(--radius-lg) + 10px);
    transition: transform 0.5s var(--ease-out), background 0.5s var(--ease-out);
}

.app-card-item:hover .app-image-container {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.075), transparent 68%);
}

.app-mockup-image,
.hero-multi-img,
.product-hero-image.app-hero .app-hero-img {
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
    transition: transform 0.6s var(--ease-out), filter 0.6s var(--ease-out);
}

.app-card-item:hover .app-mockup-image,
.product-hero-image.app-hero:hover .app-hero-img {
    transform: translateY(-8px) scale(1.02);
    filter: drop-shadow(0 42px 80px rgba(0, 0, 0, 0.62));
}

.project-card-info,
.app-card-info {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-auto-rows: min-content;
    align-items: end;
    column-gap: 1rem;
    row-gap: 0.72rem;
    padding: 1.45rem 0.45rem 0.45rem;
}

.project-card-info .project-category,
.app-card-info .project-category {
    grid-column: 1 / -1;
    grid-row: 1;
}

.project-card-info .project-title,
.app-card-info .project-title {
    grid-column: 1 / -1;
    grid-row: 2;
}

.project-card-info .project-description,
.app-card-info .project-description {
    grid-column: 1 / -1;
    grid-row: 3;
    margin-bottom: 0.35rem;
}

.project-card-info .project-price-badge,
.app-card-info .app-price {
    grid-column: 1;
    grid-row: 4;
    align-self: end;
    justify-self: start;
}

.project-card-info .project-link,
.app-card-info .project-link {
    grid-column: 2;
    grid-row: 4;
    align-self: end;
    justify-self: end;
}

.project-category,
.product-category-badge,
.detail-label,
.features-title,
.pricing-card-time,
.result-label {
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.project-title,
.pricing-card-title,
.pdf-item-title,
.faq-item h3,
.product-description-full h2,
.ai-section-title {
    font-weight: 300;
    line-height: 1.12;
    letter-spacing: -0.035em;
    text-wrap: balance;
}

.project-card-info .project-title,
.app-card-info .project-title {
    font-size: clamp(1.35rem, 2vw, 2rem);
}

.project-description,
.pricing-card-description,
.features-list li,
.product-description-full p,
.product-description-full ul li,
.about-text,
.faq-item p,
.detail-value,
.result-note {
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.72;
}

.project-link,
.detail-link,
.next-project-link {
    width: fit-content;
    min-height: 34px;
    opacity: 0.9;
}

.project-card-info .project-link,
.app-card-info .project-link {
    min-height: 40px;
    padding: 0 1rem;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.035);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.project-card-info .project-link:hover,
.app-card-info .project-link:hover {
    border-color: rgba(255, 255, 255, 0.38);
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.38);
}

.project-link::after,
.detail-link::after,
.next-project-link::after {
    content: '';
    width: 0.35rem;
    height: 0.35rem;
    border-top: 1px solid currentColor;
    border-right: 1px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.35s var(--ease-out);
}

.project-link:hover,
.detail-link:hover,
.next-project-link:hover {
    gap: 0.9rem;
    opacity: 1;
}

.project-link:hover::after,
.detail-link:hover::after,
.next-project-link:hover::after {
    transform: translateX(2px) rotate(45deg);
}

.section-title,
.work-heading,
.product-title {
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
    font-size: clamp(2.6rem, 6vw, 6rem);
}

.work-heading,
.section-title {
    position: relative;
}

.work-heading::after,
.section-title::after,
.product-title::after {
    content: '';
    display: block;
    width: 4.25rem;
    height: 1px;
    margin-top: 1.35rem;
    background: rgba(255, 255, 255, 0.42);
}

.work-header,
.about,
.contact,
.pricing-section,
.calculator-section,
.product-content,
.product-gallery,
.product-pdf,
.next-project {
    padding-left: var(--section-x);
    padding-right: var(--section-x);
}

.about-content,
.contact-container,
.product-content-container,
.product-pdf-container,
.next-project-container,
.calculator-section-inner {
    max-width: 1160px;
}

.about-body,
.faq-list,
.product-description-full {
    padding: clamp(1.25rem, 2.5vw, 2.25rem);
    border: 1px solid var(--border-soft);
    border-radius: calc(var(--radius-lg) + 8px);
    background: rgba(255, 255, 255, 0.02);
}

.about-body {
    max-width: 980px;
}

.faq-list {
    max-width: 980px;
    gap: 0;
}

.faq-item {
    padding: 1.45rem 0;
    border-bottom: 1px solid var(--border-soft);
}

.faq-item:first-child {
    padding-top: 0;
}

.faq-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.faq-item h3 {
    font-size: clamp(1.15rem, 1.5vw, 1.45rem);
}

.skills {
    max-width: 980px;
    margin-top: 2rem;
    gap: 0.7rem;
}

.skill-item,
.pricing-card-badge {
    border-radius: 999px;
    border-color: var(--border-mid);
    background: rgba(255, 255, 255, 0.025);
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.app-price,
.project-price-badge {
    min-height: auto;
    display: inline-flex;
    align-items: baseline;
    max-width: 100%;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--white);
    font-size: clamp(0.9rem, 1.2vw, 1.05rem);
    font-weight: 750;
    letter-spacing: -0.02em;
    line-height: 1.25;
    text-transform: none;
    box-shadow: none;
}

.app-price::before,
.project-price-badge::before {
    content: 'стоимость';
    margin-right: 0.48rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.project-card-info .project-link::after,
.app-card-info .project-link::after {
    display: none;
}

.skill-item {
    padding: 0.85rem 1.15rem;
}

.skill-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(255, 255, 255, 0.07);
}

.pricing-card {
    overflow: hidden;
    min-height: 100%;
    transform: translateY(0);
}

.pricing-card::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.1), transparent 38%);
    opacity: 0;
    transition: opacity 0.45s var(--ease-out);
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-mid);
    box-shadow: var(--shadow-card);
}

.pricing-card-featured {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.018));
}

.price-amount {
    font-size: clamp(2rem, 3.5vw, 3.15rem);
    letter-spacing: -0.055em;
}

.features-list li::before,
.product-description-full ul li::before {
    color: rgba(255, 255, 255, 0.45);
}

.calculator-panel {
    border-radius: calc(var(--radius-lg) + 8px);
}

.option-content,
.form-input,
.checkbox-custom {
    border-color: var(--border-soft);
    transition: transform 0.28s var(--ease-out), background 0.28s var(--ease-out), border-color 0.28s var(--ease-out), color 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out);
}

.option-card:hover .option-content,
.checkbox-label:hover .checkbox-custom,
.form-input:hover {
    border-color: var(--border-mid);
    background: var(--surface-hover);
}

.option-card input:checked + .option-content {
    box-shadow: 0 14px 34px rgba(255, 255, 255, 0.08);
}

.form-input:focus {
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.075);
}

.product-info {
    align-items: start;
}

.product-details {
    padding: 1.35rem;
    border: 1px solid var(--border-soft);
    border-radius: calc(var(--radius-lg) + 8px);
    background: rgba(255, 255, 255, 0.02);
}

.detail-item {
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-soft);
}

.detail-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

#productPriceContainer {
    border-color: var(--border-mid);
    background: rgba(255, 255, 255, 0.055);
}

.product-hero-image {
    position: relative;
    box-shadow: var(--shadow-card);
}

.slider-btn,
.hero-preview-btn,
.lightbox-close,
.lightbox-nav {
    transition: transform 0.28s var(--ease-out), background 0.28s var(--ease-out), color 0.28s var(--ease-out), border-color 0.28s var(--ease-out), opacity 0.28s var(--ease-out);
}

.slider-btn:hover,
.hero-preview-btn:hover,
.lightbox-close:hover,
.lightbox-nav:hover {
    transform: translateY(-2px) scale(1.04);
}

.footer {
    border-top-color: var(--border-soft);
    padding-top: clamp(3rem, 6vw, 5rem);
}

.footer-container {
    gap: 2rem;
}

.footer-form-block {
    width: min(100%, 760px);
}

.footer-quick-links {
    justify-content: center;
    margin-bottom: 0.8rem;
}

.footer-contact-link {
    min-width: 128px;
    min-height: 42px;
    padding: 0 1.1rem;
}

.contact-form--footer {
    background: rgba(255, 255, 255, 0.022);
    border-radius: calc(var(--radius-lg) + 8px);
}

.mobile-nav {
    background: rgba(0, 0, 0, 0.78);
    border-top-color: var(--border-soft);
    backdrop-filter: blur(24px) saturate(130%);
}

.mobile-nav-item {
    min-width: 58px;
    padding: 0.35rem 0.4rem;
    border-radius: 16px;
}

.mobile-nav-item.active {
    background: rgba(255, 255, 255, 0.07);
}

@keyframes slowSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes morphShape {
    0% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        border-radius: 34% 66% 62% 38% / 42% 40% 60% 58%;
    }
    100% {
        transform: translate3d(-24px, 18px, 0) rotate(22deg);
        border-radius: 64% 36% 38% 62% / 45% 64% 36% 55%;
    }
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .hero::before,
    .hero::after {
        opacity: 0.38;
    }

    .hero-title,
    .product-title,
    .section-title,
    .work-heading {
        max-width: 14ch;
    }

    .app-image-container {
        height: min(560px, 76vh);
    }

    .footer-form-block {
        width: 100%;
    }
}

@media (max-width: 768px) {
    body::before {
        background-size: 48px 48px;
    }

    .hero {
        min-height: auto;
        padding-top: 7rem;
    }

    .hero-main {
        align-items: stretch;
    }

    .hero-title {
        font-size: clamp(3rem, 14vw, 5rem);
    }

    .hero-subtitle {
        padding-left: 0;
    }

    .hero-subtitle::before {
        display: none;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        min-width: 0;
    }

    .filter-btn {
        flex: 1 1 140px;
    }

    .mode-tabs-wrapper,
    .mode-tabs-container {
        width: 100%;
    }

    .mode-tab {
        flex: 1 1 100%;
    }

    .section-title,
    .work-heading,
    .product-title {
        font-size: clamp(2.35rem, 11vw, 4rem);
    }

    .about-body,
    .faq-list,
    .product-description-full,
    .product-details {
        padding: 1.1rem;
        border-radius: var(--radius-lg);
    }

    .project-card-info,
    .app-card-info {
        column-gap: 0.7rem;
        padding-left: 0;
        padding-right: 0;
    }

    .project-card-info .project-link,
    .app-card-info .project-link {
        min-height: 38px;
    }

    .project-card-info .project-link,
    .app-card-info .project-link {
        padding: 0 0.82rem;
        font-size: 0.72rem;
        letter-spacing: 0.08em;
    }

    .project-card-info .project-price-badge,
    .app-card-info .app-price {
        padding: 0;
        font-size: 0.86rem;
    }

    .price-amount {
        white-space: normal;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 0.85rem 1rem;
    }

    .logo {
        min-height: 38px;
    }

    .hero-buttons,
    .footer-quick-links {
        width: 100%;
    }

    .project-card-info,
    .app-card-info {
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: 0.55rem;
        row-gap: 0.62rem;
    }

    .project-card-info .project-link,
    .app-card-info .project-link {
        min-width: 0;
        padding: 0 0.72rem;
    }

    .project-card-info .project-link::after,
    .app-card-info .project-link::after {
        display: none;
    }

    .app-price,
    .project-price-badge {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .app-price::before,
    .project-price-badge::before {
        display: none;
    }

    .footer-contact-link {
        flex: 1 1 0;
        min-width: 0;
    }

    .contact-form--footer {
        padding: 1rem;
    }

    .mobile-nav-label {
        font-size: 0.54rem;
    }
}

/* --- Targeted layout fixes: mobile contact, work header tabs and product description --- */
.contact-page--simple {
    padding-left: var(--section-x);
    padding-right: var(--section-x);
}

.contact-page--simple .contact-container {
    width: 100%;
    box-sizing: border-box;
}

.contact-page--simple .section-title {
    margin-left: 0;
}

.work-header {
    padding-left: var(--section-x) !important;
    padding-right: var(--section-x) !important;
    text-align: left;
}

.work-heading {
    margin-left: 0;
    margin-right: auto;
}

.work-header .mode-tabs {
    justify-content: flex-start;
}

.mode-tabs-wrapper {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.mode-tabs-container {
    justify-content: flex-start;
}

.product-description-full {
    display: block;
    overflow: visible;
}

.product-description-full h2 {
    position: relative;
    z-index: 1;
    display: block;
    clear: both;
    margin: 0 0 1.25rem;
    padding: 0;
    line-height: 1.15;
}

.product-description-full h2 + p {
    margin-top: 0;
}

@media (max-width: 768px) {
    .contact-page--simple {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .contact-page--simple .section-title {
        width: 100%;
        max-width: none;
        font-size: clamp(2.2rem, 10vw, 3.4rem);
        overflow-wrap: anywhere;
    }

    .work-header {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        text-align: left;
    }

    .work-header .mode-tabs,
    .mode-tabs-wrapper,
    .mode-tabs-container {
        width: 100%;
    }

    .work-header .mode-tabs,
    .mode-tabs-container {
        justify-content: flex-start;
    }

    .mode-tabs-wrapper {
        padding: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
    }

    .product-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .product-info {
        gap: 1.75rem;
    }

    .product-details {
        top: 10px;
        margin-bottom: 0;
        overflow: visible;
    }

    #productLinkContainer {
        min-height: 44px;
        padding-bottom: 0.35rem;
    }

    .detail-link {
        min-height: 44px;
        align-items: center;
    }

    .product-description-full {
        margin-top: 0.75rem;
        padding-top: 1.45rem;
        clear: both;
    }

    .product-description-full h2 {
        margin-bottom: 1rem;
    }

    .product-description-full h2:first-child {
        margin-top: 0;
    }
}

@keyframes mobileHeroMarquee {
    from {
        transform: translate3d(0, 0, 0);
    }

    to {
        transform: translate3d(-50%, 0, 0);
    }
}

/* --- Mobile hero reorder: image first, content below --- */
@media (max-width: 768px) {
    .hero {
        padding-top: 5.8rem;
    }

    .hero-main {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 1.6rem;
    }

    .hero-mascot {
        order: 1;
        width: 100%;
        justify-content: center;
        align-items: center;
        min-height: clamp(360px, 82vw, 560px);
        margin: 0 auto;
        overflow: hidden;
    }

    .hero-mascot::before {
        content: 'ПОБЕДИТЕЛЬ ХАКАТОН ПРОМТЕХДИЗАЙН  •  4 МЕСТО ХАКАТОН HH.ru  •  2 МЕСТО КВИЗ «АВРОРА»  •  2 МЕСТО ХАКАТОН ПРОМТЕХДИЗАЙН  •  ПОБЕДИТЕЛЬ ХАКАТОН ПРОМТЕХДИЗАЙН  •  4 МЕСТО ХАКАТОН HH.ru  •  2 МЕСТО КВИЗ «АВРОРА»  •  2 МЕСТО ХАКАТОН ПРОМТЕХДИЗАЙН  •';
        position: absolute;
        top: 0.65rem;
        left: 0;
        z-index: 3;
        width: max-content;
        min-width: 200%;
        padding: 0.72rem 0;
        color: rgba(255, 255, 255, 0.86);
        font-size: 0.7rem;
        font-weight: 800;
        line-height: 1;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        white-space: nowrap;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.07), transparent);
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        mask-image: linear-gradient(90deg, transparent 0%, var(--black) 9%, var(--black) 91%, transparent 100%);
        -webkit-mask-image: linear-gradient(90deg, transparent 0%, var(--black) 9%, var(--black) 91%, transparent 100%);
        animation: mobileHeroMarquee 18s linear infinite;
        pointer-events: none;
    }

    .hero-mascot::after {
        content: '';
        position: absolute;
        top: 0.65rem;
        left: 0;
        right: 0;
        z-index: 4;
        height: calc(0.7rem + 1.44rem + 2px);
        background: linear-gradient(90deg, var(--black) 0%, transparent 18%, transparent 82%, var(--black) 100%);
        opacity: 0.72;
        filter: blur(0.5px);
        pointer-events: none;
    }

    .hero-text {
        order: 2;
        width: 100%;
        position: relative;
        z-index: 2;
        margin-top: clamp(-7rem, -12vw, -3.8rem);
    }

    .mascot-image {
        width: min(88vw, 430px);
        max-height: 58vh;
        object-fit: contain;
    }

    .mascot-text {
        display: none;
    }

    .hero-title {
        margin-bottom: 1.2rem;
    }

    .hero-buttons {
        margin-top: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 5.2rem;
    }

    .hero-main {
        gap: 1.25rem;
    }

    .hero-mascot {
        min-height: clamp(320px, 95vw, 460px);
    }

    .hero-mascot::before {
        top: 0.4rem;
        padding: 0.65rem 0;
        font-size: 0.62rem;
        letter-spacing: 0.14em;
        animation-duration: 16s;
    }

    .hero-mascot::after {
        top: 0.4rem;
        height: calc(0.62rem + 1.3rem + 2px);
    }

    .mascot-image {
        width: min(92vw, 380px);
        max-height: 52vh;
    }

    .hero-text {
        margin-top: -4.8rem;
    }
}

/* --- Targeted mobile adaptation: portfolio tabs and SQL/image-grid project page --- */
@media (max-width: 768px) {
    .work-header .mode-tabs {
        overflow: hidden;
    }

    .mode-tabs-wrapper {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .mode-tabs-wrapper::-webkit-scrollbar {
        display: none;
    }

    .mode-tabs-container {
        flex-wrap: nowrap;
        gap: 0.65rem;
        padding-bottom: 0.2rem;
    }

    .mode-tab {
        flex: 0 0 auto;
        min-height: 42px;
        padding: 0.55rem 0.85rem;
        font-size: 0.9rem;
        white-space: nowrap;
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.035);
    }

    .mode-tab::after {
        display: none;
    }

    .mode-tab.active {
        color: var(--black);
        background: var(--white);
        border-color: var(--white);
    }

    .product-gallery {
        width: 100%;
        padding: 1rem;
        box-sizing: border-box;
    }

    .product-gallery-container--captioned {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .captioned-gallery-item {
        border-radius: var(--radius-md);
    }

    .captioned-gallery-item img {
        aspect-ratio: auto;
        max-height: 68vh;
        object-fit: contain;
    }

    .captioned-gallery-item figcaption {
        min-height: auto;
        padding: 0.8rem 0.9rem;
        font-size: 0.82rem;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
}

@media (max-width: 480px) {
    .mode-tab {
        min-height: 40px;
        padding: 0.5rem 0.75rem;
        font-size: 0.82rem;
    }

    .product-gallery {
        padding: 0.75rem;
    }

    .product-gallery-container--captioned {
        gap: 0.85rem;
    }

    .captioned-gallery-item figcaption {
        font-size: 0.78rem;
        line-height: 1.3;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}