/**
 * Ernie's Portfolio - Main Stylesheet
 *
 * This stylesheet provides the design and layout for the portfolio site
 * with a modern, responsive approach.
 */

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-primary: #0066ff;
    --color-primary-dark: #0052cc;
    --color-secondary: #00d4ff;
    --color-dark: #0a0a0a;
    --color-dark-gray: #1a1a1a;
    --color-medium-gray: #2a2a2a;
    --color-light-gray: #666666;
    --color-white: #ffffff;
    --color-accent: #ff6b00;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 56px;
    --font-size-h2: 42px;
    --font-size-h3: 32px;
    --font-size-h4: 24px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;

    /* Layout */
    --container-max-width: 1280px;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-dark);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-no-padding {
    padding-left: 0;
    padding-right: 0;
    max-width: 100%;
}

/* Section Titles */
.section-title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-h4);
    text-align: center;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-lg);
}

.section-description {
    font-size: var(--font-size-large);
    line-height: 1.8;
    color: var(--color-light-gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    z-index: 1000;
    box-shadow: none;
    transition: transform 0.8s ease-in-out;
}

.projects-page .site-header {
    background: #000000;
}

.projects-page .site-header.navbar-hidden {
    transform: translateY(-100%);
}

.navbar {
    padding: var(--spacing-sm) 0;
    box-shadow: none;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.projects-page .navbar .container {
    padding: 0 var(--spacing-xl) !important;
    max-width: 100%;
}

.nav-brand .logo {
    height: 40px;
    width: auto;
}

/* Text Logo Styling */
.logo-text {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #ffffff;
    transition: all var(--transition-speed);
    display: inline-block;
}

.logo-text:hover {
    transform: translateY(-2px);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: color var(--transition-speed), opacity var(--transition-speed);
}

.nav-menu:has(a:hover) a:not(:hover) {
    opacity: 0.4;
}

/* Navigation Icon Links */
.nav-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(48, 48, 48, 0.1);
    border: 2px solid #303030;
    transition: all var(--transition-speed);
}

.nav-icon-link:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.nav-icon-link:hover svg {
    color: #000000;
}

.nav-icon-link svg {
    color: var(--color-white);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-white);
    transition: all var(--transition-speed);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary,
.btn-cta,
.btn-purchase {
    display: inline-block;
    padding: 14px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.btn-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    font-size: var(--font-size-large);
    padding: 18px 48px;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.4);
}

.btn-purchase {
    background: var(--color-accent);
    color: var(--color-white);
    width: 100%;
    max-width: 400px;
    font-size: var(--font-size-large);
    padding: 20px;
}

.btn-purchase:hover {
    background: #ff8533;
    transform: scale(1.05);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 40px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    z-index: 1;
    overflow: hidden;
}

/* Canvas for Bayer dithering animation */
.bayer-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

@keyframes gradientPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.95;
        transform: scale(1.02);
    }
}

.hero-section .container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
    text-align: center;
    max-width: 900px;
}

.hero-headline {
    font-size: var(--font-size-h1);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subheadline {
    font-size: var(--font-size-h4);
    color: #b8b8b8;
    margin-bottom: var(--spacing-lg);
}

.hero-product {
    animation: fadeIn 1.5s ease-out;
}

.product-image {
    width: 100%;
    filter: drop-shadow(0 20px 60px rgba(0, 212, 255, 0.3));
}

/* ============================================
   WORK GRID SECTION (Horizontal Card Layout)
   ============================================ */
.work-grid-section {
    padding-top: var(--spacing-xl);
    background: #000000;
}

.section-title-wrapper {
    position: relative;
    padding-top: 140px;
    padding-bottom: 140px;
    overflow: hidden;
}

.work-grid-section .section-title {
    position: relative;
    z-index: 1;
    text-align: left;
    padding-left: var(--spacing-xl);
    padding-bottom: 4px;
    margin-bottom: 0;
    color: #ffffff;
    font-weight: 200;
    font-size: 64px;
    -webkit-text-fill-color: #ffffff;
}

.work-cards {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.work-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-dark);
    border-radius: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

/* Single Column Layout */
.work-card-col {
    display: flex;
    width: 100%;
}

.work-card-desc-col {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.work-card-video-col {
    justify-content: flex-start;
}

.work-card-title {
    font-size: var(--font-size-h4);
    font-weight: 300;
    color: #ffffff;
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.3;
}

.work-card-description {
    font-size: var(--font-size-base);
    color: #a0a0a0;
    line-height: 1.6;
    margin: 0;
}

.built-with-credit {
    color: #c8c8c8;
}

/* Desktop only: Image Styler description width */
@media (min-width: 769px) {
    .work-card:nth-child(1) .work-card-description {
        width: 58%;
    }
}

/* Desktop only: 3D Model Builder description width */
@media (min-width: 769px) {
    .work-card:nth-child(2) .work-card-description {
        width: 58%;
    }
}

/* Desktop only: Pattern Generator description width */
@media (min-width: 769px) {
    .work-card:nth-child(3) .work-card-description {
        width: 58%;
    }
}

/* Desktop only: Text Assist description width */
@media (min-width: 769px) {
    .work-card:nth-child(4) .work-card-description {
        width: 58%;
    }
}

.work-card-built {
    font-size: var(--font-size-small);
    color: var(--color-secondary);
    font-weight: 500;
    margin: 0;
    margin-top: 8px;
    line-height: 1.5;
}

.image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

/* Video Wrapper Styles */
.video-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px;
}

.video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Video Thumbnail Styles */
.video-thumbnail {
    width: 100%;
    max-width: 100%;
}

.video-thumbnail-link {
    display: block;
    text-decoration: none;
}

.video-thumbnail-link:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
    border-radius: 12px;
}

/* Video Wrapper - Vertical Fit with Gradient Sidebars */
.video-wrap-vertical {
    background: linear-gradient(90deg,
        var(--color-medium-gray) 0%,
        rgba(0, 102, 255, 0.15) 20%,
        transparent 35%,
        transparent 65%,
        rgba(0, 212, 255, 0.15) 80%,
        var(--color-medium-gray) 100%);
}

.video-wrap-vertical video {
    object-fit: contain;
}

/* Video Overlay Styles - Hidden for thumbnails */
.video-overlay {
    display: none;
}

/* Video Placeholder Styles */
.video-placeholder {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-medium-gray);
    border: 2px dashed var(--color-light-gray);
    border-radius: 12px;
    transition: border-color var(--transition-speed);
}

.video-placeholder.video-thumbnail {
    max-width: 100%;
}

.video-poster {
    text-align: center;
    color: var(--color-light-gray);
}

.video-poster svg {
    opacity: 0.5;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--color-medium-gray);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    padding: var(--spacing-sm);
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-title {
    font-size: var(--font-size-h4);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-light-gray);
    line-height: 1.6;
}

/* ============================================
   SPECIFICATIONS SECTION
   ============================================ */
.specs-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-dark-gray);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius);
}

.spec-label {
    font-weight: 600;
    color: var(--color-secondary);
}

.spec-value {
    color: var(--color-white);
    text-align: right;
}

/* ============================================
   CONTRAST TECHNOLOGY SECTION
   ============================================ */
.contrast-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark-gray);
}

.contrast-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.contrast-visual {
    position: relative;
}

.comparison-image {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ============================================
   LIFESTYLE GALLERY SECTION
   ============================================ */
.lifestyle-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    aspect-ratio: 16 / 9;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ============================================
   PERFORMANCE SECTION
   ============================================ */
.performance-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-dark-gray), var(--color-medium-gray));
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.performance-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(0, 102, 255, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
}

.performance-metric {
    font-size: 56px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.performance-label {
    font-size: var(--font-size-h4);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.performance-description {
    color: var(--color-light-gray);
}

/* ============================================
   COMPATIBILITY SECTION
   ============================================ */
.compatibility-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.device-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-dark-gray);
    border-radius: var(--border-radius);
    transition: transform var(--transition-speed);
}

.device-card:hover {
    transform: translateY(-5px);
}

.device-card img {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    object-fit: contain;
}

.device-card p {
    font-size: var(--font-size-small);
    color: var(--color-light-gray);
}

/* ============================================
   SMART HOME SECTION
   ============================================ */
.smart-home-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark-gray);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.platform-card {
    padding: var(--spacing-md);
    background: var(--color-medium-gray);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-speed);
}

.platform-card:hover {
    transform: scale(1.1);
}

.platform-card img {
    width: 100px;
    height: 60px;
    object-fit: contain;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: var(--spacing-lg) auto;
}

.testimonial-card {
    display: none;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-dark-gray);
    border-radius: var(--border-radius);
}

.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

.testimonial-rating {
    margin-bottom: var(--spacing-md);
}

.star {
    color: var(--color-accent);
    font-size: 24px;
    margin: 0 2px;
}

.testimonial-quote {
    font-size: var(--font-size-large);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--color-secondary);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.carousel-prev,
.carousel-next {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

/* ============================================
   PURCHASE SECTION
   ============================================ */
.purchase-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-dark-gray), var(--color-primary));
}

.purchase-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-dark);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.purchase-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-lg);
}

.pricing-info {
    margin-bottom: var(--spacing-lg);
}

.price-current {
    font-size: 56px;
    font-weight: 900;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.price-original {
    font-size: var(--font-size-h4);
    color: var(--color-light-gray);
    text-decoration: line-through;
    margin-bottom: var(--spacing-xs);
}

.price-discount {
    font-size: var(--font-size-h4);
    color: var(--color-accent);
    font-weight: 600;
}

.purchase-benefits {
    text-align: left;
    margin: var(--spacing-lg) auto;
    max-width: 400px;
}

.benefit {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-large);
    color: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

/* Footer Text Logo */
.footer-logo-text {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #ffffff;
    display: block;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-speed);
}

.footer-logo-text:hover {
    transform: translateX(5px);
}

.footer-about p {
    color: var(--color-light-gray);
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-md);
    color: #ffffff;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-light-gray);
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-contact p {
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--color-medium-gray);
    border-radius: 50%;
    border: 2px solid #303030;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.social-icon:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.social-icon:hover svg {
    color: #000000;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-light-gray);
}

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

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 36px;
        --font-size-h2: 28px;
        --font-size-h3: 24px;
        --font-size-h4: 20px;
        --spacing-lg: 32px;
        --spacing-xl: 48px;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .contrast-section .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contrast-content {
        text-align: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .work-card {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .work-card-col {
        flex: 1 1 100%;
        width: 100%;
    }

    .work-card-desc-col,
    .work-card-video-col {
        flex: 1 1 100%;
    }

    .video-thumbnail {
        max-width: 100%;
    }

    .video-placeholder.video-thumbnail {
        max-width: 100%;
    }

    .performance-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .devices-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .platforms-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .performance-grid {
        grid-template-columns: 1fr;
    }

    .devices-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   PAGE TRANSITION ANIMATIONS
   ============================================ */

/* Page exit animation - slides up and fades out */
@keyframes pageExitSlideUp {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

/* Page entry animation - slides from bottom and fades in */
@keyframes pageEntrySlideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Transition state classes */
body.page-transitioning-exit {
    animation: pageExitSlideUp 0.3s ease-in-out forwards;
    overflow: hidden;
}

body.page-transitioning-entry {
    animation: pageEntrySlideUp 0.3s ease-in-out forwards;
    overflow: hidden;
}

/* ============================================
   VIDEO MODAL OVERLAY
   ============================================ */

/* Modal Overlay - Full screen backdrop */
.video-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.video-modal-overlay.active {
    display: flex;
    opacity: 1;
}

/* Modal Container */
.video-modal {
    position: relative;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    background: var(--color-dark);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-modal-overlay.active .video-modal {
    transform: translateX(0);
}

/* Close Button */
.video-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    z-index: 10;
}

.video-modal-close:hover {
    background: var(--color-white);
    transform: rotate(90deg);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.video-modal-close svg {
    color: var(--color-white);
    transition: color var(--transition-speed);
}

.video-modal-close:hover svg {
    color: var(--color-dark);
}

/* Modal Content */
.video-modal-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Modal Video Wrapper */
.video-modal-video-wrap {
    position: relative;
    width: 100%;
    max-height: 60vh;
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-dark-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-video-wrap video {
    max-width: 100%;
    max-height: 60vh;
    width: auto;
    height: auto;
    display: block;
    border-radius: 12px;
    object-fit: contain;
}

/* Modal Title */
.video-modal-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--color-white), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modal Description */
.video-modal-description {
    font-size: var(--font-size-large);
    color: var(--color-light-gray);
    line-height: 1.8;
    margin: 0;
}

/* Slide animations */
@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutToRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .video-modal {
        width: 95%;
        padding: var(--spacing-md);
    }

    .video-modal-title {
        font-size: var(--font-size-h4);
    }

    .video-modal-description {
        font-size: var(--font-size-base);
    }

    .video-modal-close {
        width: 40px;
        height: 40px;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .video-modal-close svg {
        width: 24px;
        height: 24px;
    }
}