:root {
    --primary: #0a0f1c;
    --secondary: #1a1f2e;
    --accent: #4facfe;
    --accent-hover: #00f2fe;
    --text-main: #ffffff;
    --text-muted: #a0a5b5;
    --border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(26, 31, 46, 0.7);

    /* Apple-Inspired Typography System */
    --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
    --font-mono: "SF Mono", "SF Pro Display", "Courier New", monospace;
    --font-cjk: "PingFang SC", "PingFang TC", "Microsoft YaHei", "Microsoft JhengHei", sans-serif;

    /* Fluid Type Scale */
    --text-xs: 0.75rem;    /* 12px — captions */
    --text-sm: 0.85rem;    /* ~14px — secondary UI */
    --text-base: 1rem;     /* 16px — body */
    --text-lg: 1.125rem;   /* 18px — lead body */
    --text-xl: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);    /* 20–24px — subheading */
    --text-2xl: clamp(1.5rem, 2vw + 0.5rem, 2rem);        /* 24–32px — h3 */
    --text-3xl: clamp(1.75rem, 2.5vw + 0.5rem, 2.5rem);   /* 28–40px — h2 */
    --text-4xl: clamp(2rem, 3.5vw + 0.5rem, 3.2rem);      /* 32–51px — h1/page */
    --text-5xl: clamp(2.2rem, 4vw + 0.5rem, 4.5rem);      /* 35–72px — hero */

    /* Line Heights */
    --leading-display: 1.05;
    --leading-heading: 1.1;
    --leading-subheading: 1.2;
    --leading-body: 1.6;
    --leading-tight: 1.3;

    /* Letter-Spacing (Apple-style negative tracking for large text) */
    --tracking-tightest: -0.05em;
    --tracking-tighter: -0.03em;
    --tracking-tight: -0.02em;
    --tracking-snug: -0.015em;
    --tracking-normal: 0em;
    --tracking-wide: 0.04em;
    --tracking-wider: 0.08em;

    /* Font Weights */
    --weight-regular: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-heavy: 800;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    font-weight: var(--weight-regular);
    background-color: var(--primary);
    color: var(--text-main);
    line-height: var(--leading-body);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-kerning: normal;
    font-feature-settings: "kern" 1, "liga" 1;
    /* Prevent horizontal scroll from any child overflow */
    max-width: 100vw;
    /* Smooth scrolling for iOS */
    -webkit-overflow-scrolling: touch;
}

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

/* Typography — Apple-Inspired Hierarchy */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: var(--leading-heading);
    margin-bottom: 1rem;
    letter-spacing: var(--tracking-snug);
}

h1 {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-display);
}

h2 {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
}

h3 {
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
}

h4 {
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-normal);
}

h2 span {
    color: var(--accent);
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    font-size: var(--text-lg);
    font-weight: var(--weight-regular);
    letter-spacing: var(--tracking-normal);
    max-width: 65ch;
    margin-left: auto;
    margin-right: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 15, 28, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--weight-heavy);
    letter-spacing: var(--tracking-tight);
    font-family: var(--font-display);
}

.logo span {
    color: var(--accent);
    font-weight: var(--weight-regular);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.8rem;
    align-items: center;
}

.nav-links a {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-normal);
    transition: color 0.3s;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--accent);
}

.btn-primary-small {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    color: #fff !important;
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-normal);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100svh;
    height: auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 118px clamp(1.25rem, 5vw, 5rem) 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
    transform: scale(1.05);
    animation: slowZoom 20s ease-in-out infinite alternate;
}

.hero-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: -2;
}

.hero-bg-video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.hero-bg-video-fallback picture,
.hero-bg-video-fallback img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg-video.loaded {
    opacity: 1;
}

.hero-bg-video:not(.loaded) {
    opacity: 0;
}

.hero-bg-video-fallback.hidden {
    display: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10,15,28,0.7) 0%, rgba(10,15,28,0.95) 100%);
    z-index: -1;
}

.hero-layout {
    position: relative;
    z-index: 1;
    width: min(1280px, 100%);
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5.5rem);
}

.hero-content {
    max-width: 900px;
    min-width: 0;
    margin: 0 auto;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 3.8vw, 4rem);
    font-weight: var(--weight-bold);
    letter-spacing: 0;
    line-height: var(--leading-display);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
    overflow-wrap: anywhere;
}

.hero-content p {
    font-size: var(--text-lg);
    font-weight: var(--weight-regular);
    letter-spacing: var(--tracking-normal);
    color: #d1d5e0;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-body);
    overflow-wrap: anywhere;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.home-en .home-hero-content {
    max-width: 980px;
}

.home-en .hero {
    min-height: 84svh;
}

.home-en .hero-eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--accent-hover);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0;
    text-transform: uppercase;
}

.home-en .home-hero-content h1 {
    font-size: 3.5rem;
    letter-spacing: 0;
    max-width: 12ch;
    margin-left: auto;
    margin-right: auto;
}

.home-en .home-hero-content p {
    max-width: 56ch;
    margin-bottom: 1.25rem;
}

.hero-quick-points {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.7rem 1.2rem;
    margin: 0 0 1.9rem;
    color: #dceeff;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
}

.hero-quick-points span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    letter-spacing: 0;
}

.hero-quick-points span::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-hover);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.7);
}

.hero-image-collage {
    display: grid;
    grid-template-columns: 1.35fr 0.8fr 0.8fr;
    gap: 0.8rem;
    width: min(780px, 100%);
    margin: 2rem auto 0;
}

.hero-collage-card {
    position: relative;
    min-height: 160px;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(10, 15, 28, 0.55);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

.hero-collage-card-main {
    min-height: 250px;
    grid-row: span 2;
}

.hero-collage-card picture,
.hero-collage-card img {
    width: 100%;
    height: 100%;
    display: block;
}

.hero-collage-card img {
    object-fit: cover;
    filter: saturate(1.08) contrast(1.04);
    transition: transform 0.6s ease;
}

.hero-collage-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 15, 28, 0.76), rgba(10, 15, 28, 0.05) 58%);
    z-index: 1;
}

.hero-collage-card::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 36%;
    transform: translateX(-130%) skewX(-12deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: transform 0.7s ease;
    z-index: 2;
}

.hero-collage-card:hover img,
.hero-collage-card:focus-within img {
    transform: scale(1.04);
}

.hero-collage-card:hover::after,
.hero-collage-card:focus-within::after {
    transform: translateX(330%) skewX(-12deg);
}

.hero-collage-card figcaption {
    position: absolute;
    left: 0.85rem;
    right: 0.85rem;
    bottom: 0.8rem;
    z-index: 3;
    color: #fff;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0;
    text-align: left;
}

.hero-3d-stage {
    position: relative;
    min-width: 0;
    min-height: clamp(360px, 43vw, 560px);
    perspective: 1400px;
    isolation: isolate;
    cursor: grab;
}

.hero-3d-stage.is-dragging {
    cursor: grabbing;
}

.hero-3d-stage::before {
    content: "";
    position: absolute;
    inset: 10% 2% 5%;
    background:
        radial-gradient(circle at 52% 28%, rgba(79, 172, 254, 0.24), transparent 34%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(79, 172, 254, 0.03));
    filter: blur(28px);
    opacity: 0.78;
    transform: translateZ(-120px);
    z-index: -1;
}

.hero-3d-viewport {
    position: absolute;
    inset: 0;
    overflow: visible;
}

.hero-3d-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.hero-3d-fallback {
    position: absolute;
    inset: 10% 8% 8%;
    display: block;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    opacity: 0.34;
    transform: perspective(1000px) rotateX(61deg) rotateZ(-18deg) translateY(17%);
    transform-origin: 50% 70%;
    filter: saturate(1.04) contrast(1.05);
}

.hero-3d-fallback img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-3d-stage.is-rendered .hero-3d-fallback {
    opacity: 0;
    transition: opacity 0.45s ease;
}

.hero-3d-hud {
    position: absolute;
    left: 0;
    right: 0;
    bottom: clamp(0.4rem, 2vw, 1.25rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: #fff;
    pointer-events: none;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
}

.hero-3d-kicker {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0;
    color: var(--accent-hover);
    border-left: 2px solid var(--accent-hover);
    padding-left: 0.75rem;
}

.hero-3d-sequence {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(10, 15, 28, 0.52);
    backdrop-filter: blur(14px);
    pointer-events: auto;
}

.hero-3d-sequence button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 0.7rem;
    color: rgba(255, 255, 255, 0.62);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: color 0.25s ease, background 0.25s ease;
}

.hero-3d-sequence button.active {
    color: #06101d;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
}

.hero-3d-toolbar {
    position: absolute;
    top: clamp(0.75rem, 2vw, 1.2rem);
    right: clamp(0.75rem, 2vw, 1.2rem);
    display: flex;
    gap: 0.45rem;
    padding: 0.38rem;
    background: rgba(10, 15, 28, 0.54);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(14px);
    z-index: 9;
}

.hero-3d-toolbar button {
    min-height: 30px;
    padding: 0 0.65rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.68);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.hero-3d-toolbar button[aria-pressed="true"],
.hero-3d-toolbar button:hover,
.hero-3d-toolbar button:focus-visible,
.hero-3d-sequence button:hover,
.hero-3d-sequence button:focus-visible,
.hero-3d-hotspot:hover,
.hero-3d-hotspot:focus-visible,
.hero-3d-hotspot.active {
    color: #06101d;
    border-color: rgba(0, 242, 254, 0.72);
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    outline: none;
}

.hero-3d-hotspot {
    position: absolute;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 0 0.65rem;
    color: #eaf7ff;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    background: rgba(10, 15, 28, 0.58);
    border: 1px solid rgba(79, 172, 254, 0.34);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 8;
}

.hero-3d-hotspot::before {
    content: "";
    width: 6px;
    height: 6px;
    margin-right: 0.45rem;
    border-radius: 50%;
    background: var(--accent-hover);
    box-shadow: 0 0 14px rgba(0, 242, 254, 0.85);
}

.hero-3d-hotspot:hover::before,
.hero-3d-hotspot:focus-visible::before,
.hero-3d-hotspot.active::before {
    background: #06101d;
    box-shadow: none;
}

.hero-3d-hotspot-led {
    top: 29%;
    right: 12%;
}

.hero-3d-hotspot-counter {
    right: 22%;
    bottom: 26%;
}

.hero-3d-hotspot-rig {
    top: 13%;
    left: 18%;
}

.build-3d-viewer {
    width: min(1120px, 100%);
    margin: 0 auto;
}

.build-3d-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 520px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.13);
    background: #070b14;
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.52);
    cursor: grab;
}

.build-3d-stage.is-dragging {
    cursor: grabbing;
}

.build-3d-stage::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 34%;
    background: linear-gradient(to top, rgba(7, 11, 20, 0.9), transparent);
    pointer-events: none;
}

.build-3d-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.build-3d-topbar,
.build-3d-legend,
.build-3d-tools,
.build-pin,
.build-3d-panel {
    position: relative;
    z-index: 3;
}

.build-3d-topbar {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    max-width: calc(100% - 2rem);
    padding: 0.55rem 0.75rem;
    color: rgba(255, 255, 255, 0.82);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    background: rgba(10, 15, 28, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.13);
    backdrop-filter: blur(14px);
}

.build-3d-badge {
    color: #06101d;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    padding: 0.24rem 0.55rem;
    font-weight: var(--weight-bold);
}

.build-3d-legend {
    position: absolute;
    left: 50%;
    bottom: 1rem;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem;
    background: rgba(10, 15, 28, 0.64);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(14px);
}

.build-3d-tools {
    position: absolute;
    right: 1rem;
    top: 1rem;
    display: flex;
    gap: 0.45rem;
    padding: 0.4rem;
    background: rgba(10, 15, 28, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.13);
    backdrop-filter: blur(14px);
}

.build-3d-legend button,
.build-3d-tools button {
    min-height: 34px;
    padding: 0 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.11);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.68);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.build-3d-legend button.active,
.build-3d-tools button[aria-pressed="true"],
.build-3d-legend button:hover,
.build-3d-legend button:focus-visible,
.build-3d-tools button:hover,
.build-3d-tools button:focus-visible,
.build-pin:hover,
.build-pin:focus-visible,
.build-pin.active {
    color: #06101d;
    border-color: rgba(0, 242, 254, 0.72);
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    outline: none;
}

.build-pin {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 30px;
    padding: 0 0.7rem;
    border: 1px solid rgba(79, 172, 254, 0.42);
    color: #eaf7ff;
    background: rgba(10, 15, 28, 0.62);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    cursor: pointer;
}

.build-pin::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-hover);
    box-shadow: 0 0 14px rgba(0, 242, 254, 0.85);
}

.build-pin.active::before,
.build-pin:hover::before,
.build-pin:focus-visible::before {
    background: #06101d;
    box-shadow: none;
}

.build-pin-structure {
    top: 22%;
    left: 22%;
}

.build-pin-led {
    top: 30%;
    right: 18%;
}

.build-pin-counter {
    right: 25%;
    bottom: 27%;
}

.build-pin-av {
    left: 18%;
    bottom: 28%;
}

.build-3d-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 0;
}

.build-3d-panel div {
    padding: 1rem 1.2rem;
    background: rgba(10, 15, 28, 0.86);
}

.build-3d-panel strong {
    display: block;
    color: var(--accent-hover);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0;
    margin-bottom: 0.25rem;
}

.build-3d-panel span {
    color: rgba(255, 255, 255, 0.68);
    font-size: var(--text-sm);
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: var(--weight-semibold);
    font-size: var(--text-base);
    letter-spacing: var(--tracking-normal);
    line-height: 1.35;
    white-space: normal;
    overflow-wrap: anywhere;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
}

/* Page Headers (Subpages) */
.page-header {
    padding: 150px 2rem 80px;
    background: linear-gradient(to bottom, var(--secondary), var(--primary));
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-display);
    color: var(--accent);
    max-width: 900px;
    margin: 0 auto 1rem;
}

.page-header p {
    color: var(--text-muted);
    font-size: var(--text-lg);
    font-weight: var(--weight-regular);
    max-width: 800px;
    margin: 1rem auto 0;
    line-height: var(--leading-body);
}

/* Intro Grid */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.intro-text p {
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
    margin-bottom: 1.5rem;
}

.proven-venues {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: var(--leading-body);
}

.intro-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-box {
    background: var(--glass-bg);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.stat-box h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    color: var(--accent);
    margin-bottom: 0.5rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: block;
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(26, 31, 46, 0.9);
    border-color: rgba(79, 172, 254, 0.5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    line-height: var(--leading-subheading);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    line-height: var(--leading-body);
    margin-bottom: 1.5rem;
}

/* Service Card Large (for services.html) */
.service-card-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2rem;
    align-items: center;
    transition: all 0.3s ease;
}

.service-card-large:hover {
    border-color: rgba(79, 172, 254, 0.5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.service-card-large:nth-child(even) {
    direction: rtl;
}

.service-card-large:nth-child(even) > * {
    direction: ltr;
}

.service-card-large .service-img {
    height: 100%;
    min-height: 300px;
    overflow: hidden;
}

.service-card-large .service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card-large:hover .service-img img {
    transform: scale(1.05);
}

.service-card-large .service-content {
    padding: 3rem;
}

.service-card-large .service-content h4 {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.service-card-large .service-content p {
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
    margin-bottom: 1.5rem;
}

.workflow {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    background: rgba(79, 172, 254, 0.1);
    border-left: 3px solid var(--accent);
    border-radius: 0 4px 4px 0;
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: var(--leading-body);
}

/* Solutions */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--secondary);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.solution-card:hover {
    border-color: rgba(79, 172, 254, 0.5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.solution-card .img-wrapper {
    height: 250px;
    overflow: hidden;
}

.solution-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.solution-card .content {
    padding: 2rem;
}

.solution-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    line-height: var(--leading-subheading);
    margin-bottom: 0.5rem;
}

.solution-card h4 {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.solution-card p {
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
    margin-bottom: 1.5rem;
}

.home-intro .intro-lead {
    color: #d8dfec;
    font-size: var(--text-lg);
}

.intro-pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin: 1.5rem 0 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    color: var(--accent-hover);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0;
    text-transform: uppercase;
}

.intro-pill-row span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.intro-pill-row span::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

.home-case-gallery {
    background: linear-gradient(180deg, rgba(26, 31, 46, 0.72), rgba(10, 15, 28, 0.96));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.gallery-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    margin-bottom: 2rem;
}

.gallery-heading h2 {
    margin-bottom: 0;
    letter-spacing: 0;
}

.gallery-heading p {
    max-width: 28ch;
    margin: 0;
    color: var(--text-muted);
    text-align: right;
}

.case-rail {
    display: grid;
    grid-template-columns: 1.12fr 0.9fr 0.9fr;
    grid-auto-rows: 230px;
    gap: 1rem;
}

.case-tile {
    position: relative;
    display: block;
    min-width: 0;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(10, 15, 28, 0.68);
}

.case-tile-large {
    grid-row: span 2;
}

.case-tile picture,
.case-tile img {
    width: 100%;
    height: 100%;
    display: block;
}

.case-tile img {
    object-fit: cover;
    filter: saturate(1.08) contrast(1.05);
    transition: transform 0.65s ease, filter 0.65s ease;
}

.case-tile::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to top, rgba(10, 15, 28, 0.86), rgba(10, 15, 28, 0.06) 62%);
}

.case-tile::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 42%;
    z-index: 2;
    transform: translateX(-130%) skewX(-12deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    transition: transform 0.75s ease;
}

.case-tile:hover img,
.case-tile:focus-visible img {
    transform: scale(1.05);
    filter: saturate(1.16) contrast(1.08);
}

.case-tile:hover::after,
.case-tile:focus-visible::after {
    transform: translateX(320%) skewX(-12deg);
}

.case-tile span {
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 3;
    color: #fff;
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    letter-spacing: 0;
}

@media (prefers-reduced-motion: reduce) {
    .hero-collage-card::after,
    .case-tile::after {
        display: none;
    }

    .hero-collage-card img,
    .case-tile img {
        transition: none;
    }
}

.btn-text {
    color: var(--accent);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-normal);
    transition: color 0.3s;
}

.btn-text:hover {
    color: var(--text-main);
}

/* Overseas */
.overseas {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.overseas-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4rem;
}

.features-list {
    list-style: none;
    margin-top: 2rem;
}

.features-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
}

.features-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.tags span {
    background: rgba(79, 172, 254, 0.1);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-normal);
    border: 1px solid rgba(79, 172, 254, 0.2);
}

.expo-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.expo-category h4 {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    margin-bottom: 1.5rem;
}

.expo-category:last-child {
    grid-column: 1 / -1;
}

.expo-category:last-child .tags {
    justify-content: center;
}

.location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.location-card {
    background: var(--glass-bg);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.location-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.location-card h4 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    margin-bottom: 0.5rem;
}

.location-card p {
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
}

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

.portfolio-card {
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-card:hover {
    border-color: rgba(79, 172, 254, 0.5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.portfolio-info {
    padding: 2rem;
}

.portfolio-info h3 {
    color: var(--accent);
    font-family: var(--font-display);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
}

/* Blog / Insights */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.blog-card h3 {
    font-family: var(--font-display);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    line-height: var(--leading-subheading);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(26,31,46,0.8) 0%, rgba(10,15,28,0.95) 100%);
    border-top: 1px solid var(--border);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h3 {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
}

.contact-form {
    background: var(--glass-bg);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-normal);
    color: var(--text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: #fff;
    font-family: inherit;
    font-size: var(--text-base);
    /* Prevent iOS zoom on focus */
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    line-height: var(--leading-body);
}

.form-group input[type="file"] {
    padding: 0.5rem 0;
    background: transparent;
    border: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-note {
    margin-top: 1rem;
    font-size: var(--text-xs);
    line-height: var(--leading-tight);
    color: var(--text-muted);
    text-align: center;
}

/* Canvas Showcase - Real-time 3D Design to Build Animation */
.canvas-showcase-section {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.canvas-showcase-wrapper {
    max-width: 960px;
    margin: 0 auto;
}

.canvas-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    background: var(--primary);
}

.canvas-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.canvas-overlay-ui {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 1.5rem 1.2rem;
    background: linear-gradient(to top, rgba(10,15,28,0.92) 0%, transparent 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    pointer-events: none;
    z-index: 5;
}

.canvas-ui-left {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.canvas-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    background: rgba(79, 172, 254, 0.25);
    color: var(--accent);
    border: 1px solid rgba(79, 172, 254, 0.4);
    width: fit-content;
    transition: all 0.5s ease;
}

.canvas-badge.build {
    background: rgba(0, 242, 254, 0.15);
    color: var(--accent-hover);
    border-color: rgba(0, 242, 254, 0.3);
}

.canvas-project-name {
    color: #fff;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-normal);
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.canvas-status {
    color: var(--accent);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wider);
    font-family: var(--font-mono);
    text-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
    animation: statusPulse 1s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.canvas-recording-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(220, 20, 60, 0.9);
    color: #fff;
    padding: 0.35rem 0.8rem;
    border-radius: 4px;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    z-index: 10;
    animation: recFadeIn 0.3s ease;
}

@keyframes recFadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.rec-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    animation: recBlink 1s ease-in-out infinite;
}

@keyframes recBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.canvas-progress-bar {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.08);
    margin-top: 0;
    border-radius: 0 0 12px 12px;
    overflow: hidden;
}

.canvas-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transition: width 0.1s linear;
}

.canvas-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.2rem;
    margin-top: 1.2rem;
}

.canvas-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: var(--text-base);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.canvas-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.canvas-btn.record-btn {
    color: #ff4d4d;
    border-color: rgba(255, 77, 77, 0.3);
}

.canvas-btn.record-btn:hover {
    background: #ff4d4d;
    border-color: #ff4d4d;
    color: #fff;
}

.canvas-btn.recording {
    background: #ff4d4d;
    border-color: #ff4d4d;
    color: #fff;
    animation: recBtnPulse 1.5s ease-in-out infinite;
}

@keyframes recBtnPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 77, 77, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(255, 77, 77, 0); }
}

.canvas-dots {
    display: flex;
    gap: 0.6rem;
}

.canvas-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.canvas-dot:hover {
    background: rgba(255,255,255,0.3);
}

.canvas-dot.active {
    background: var(--accent);
    box-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
    transform: scale(1.2);
}

.canvas-caption {
    text-align: center;
    margin-top: 0.8rem;
}

.canvas-caption p {
    font-size: var(--text-xs);
    color: var(--text-muted);
    opacity: 0.5;
    margin-bottom: 0.25rem;
}

.canvas-caption span {
    font-size: var(--text-sm);
    color: var(--text-muted);
    opacity: 0.8;
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: var(--leading-body);
    background: var(--secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--text-main);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-snug);
    margin-bottom: 1.5rem;
}

.footer-col p {
    line-height: var(--leading-body);
    margin-bottom: 0.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    transition: color 0.3s;
    font-size: var(--text-sm);
}

.footer-col ul li a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: var(--text-xs);
    line-height: var(--leading-body);
}

/* Animations */
@keyframes slowZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

@keyframes placeholderPulse {
    0%, 100% { background-color: rgba(127, 140, 141, 0.06); }
    50% { background-color: rgba(127, 140, 141, 0.12); }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* ── Lazy Image Loading with Blur-up ── */
.lazy-img {
    opacity: 0;
    transition: opacity 0.5s ease, filter 0.5s ease;
    background-color: rgba(127, 140, 141, 0.08);
}
.lazy-img.loaded {
    opacity: 1;
    filter: blur(0) !important;
}

/* Image wrapper with subtle placeholder pulse while loading */
.img-wrapper,
.service-img,
.solution-card .img-wrapper {
    position: relative;
    background: rgba(127, 140, 141, 0.06);
    overflow: hidden;
}
.img-wrapper:not(:has(img.loaded))::after,
.service-img:not(:has(img.loaded))::after,
.solution-card .img-wrapper:not(:has(img.loaded))::after {
    content: '';
    position: absolute;
    inset: 0;
    animation: placeholderPulse 2s ease-in-out infinite;
}

/* Picture element normalization */
picture {
    display: block;
    max-width: 100%;
}
picture img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Content-visibility boost for off-screen sections */
section[style*="content-visibility:auto"] {
    contain-intrinsic-size: auto 500px;
}

/* Responsive */
@media (max-width: 992px) {
    .intro-grid, .contact-grid, .overseas-flex {
        grid-template-columns: 1fr;
        flex-direction: column;
        gap: 2.5rem;
    }
    .service-card-large {
        grid-template-columns: 1fr;
    }
    .service-card-large:nth-child(even) {
        direction: ltr;
    }
    .service-card-large .service-img {
        min-height: 220px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .expo-categories {
        grid-template-columns: 1fr;
    }
    .build-3d-stage {
        min-height: 460px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 15, 28, 0.98);
        flex-direction: column;
        padding: 0 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
        /* Smooth transition instead of display toggle */
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.3s ease,
                    padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
    }
    .nav-links.active {
        max-height: 500px;
        opacity: 1;
        padding: 2rem;
    }
    .nav-links a {
        font-size: 1rem;
        padding: 0.5rem 0;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 120px 1.5rem 4rem;
        text-align: center;
    }
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-content h1 {
        font-size: clamp(1.5rem, 5vw + 0.5rem, 2.5rem);
        word-break: break-word;
    }
    .hero-content p {
        font-size: var(--text-base);
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 1.7rem;
    }
    .home-en .hero {
        min-height: auto;
        padding: 110px 1.25rem 2.5rem;
    }
    .home-en .hero-eyebrow {
        margin-bottom: 0.6rem;
        font-size: 0.7rem;
        letter-spacing: 0.02em;
    }
    .home-en .home-hero-content h1 {
        max-width: none;
        font-size: clamp(1.6rem, 6.5vw, 2.2rem);
        line-height: 1.12;
        margin-bottom: 0.85rem;
        letter-spacing: -0.02em;
    }
    .home-en .home-hero-content p {
        max-width: none;
        font-size: 0.95rem;
        line-height: 1.55;
        margin-bottom: 1rem;
        padding: 0 0.25rem;
    }
    .hero-quick-points {
        gap: 0.5rem 1rem;
        margin-bottom: 1.25rem;
        font-size: 0.8rem;
    }
    .hero-image-collage {
        display: flex;
        width: 100%;
        max-width: none;
        margin-top: 1.25rem;
        padding-bottom: 0.5rem;
        gap: 0.6rem;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }
    .hero-image-collage::-webkit-scrollbar {
        display: none;
    }
    .hero-collage-card,
    .hero-collage-card-main {
        flex: 0 0 min(78vw, 280px);
        min-height: 190px;
        scroll-snap-align: center;
        border-radius: 10px;
    }
    .hero-collage-card-main {
        min-height: 190px;
    }
    .hero-collage-card figcaption {
        font-size: 0.8rem;
        left: 0.75rem;
        right: 0.75rem;
        bottom: 0.65rem;
    }
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        gap: 0.75rem;
        width: 100%;
        max-width: 340px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
        min-height: 52px;
        padding: 0.9rem 1.25rem;
        font-size: 0.95rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-3d-stage {
        width: min(100%, 520px);
        min-height: 360px;
        margin: 0 auto;
    }
    .hero-3d-hud {
        position: relative;
        bottom: auto;
        margin-top: 0.75rem;
        flex-direction: column;
        justify-content: center;
    }
    .hero-3d-kicker {
        border-left: 0;
        padding-left: 0;
    }
    .hero-3d-sequence {
        width: min(100%, 340px);
        max-width: 100%;
        overflow-x: auto;
    }
    .hero-3d-toolbar {
        top: auto;
        right: auto;
        left: 50%;
        bottom: 3.3rem;
        transform: translateX(-50%);
    }
    .hero-3d-hotspot {
        display: none;
    }
    .build-3d-stage {
        min-height: 430px;
        aspect-ratio: 4 / 5;
    }
    .build-3d-topbar {
        left: 0.75rem;
        right: 0.75rem;
        max-width: none;
        align-items: flex-start;
        flex-direction: column;
        gap: 0.45rem;
    }
    .build-3d-tools {
        top: auto;
        right: 0.75rem;
        bottom: 4.7rem;
    }
    .build-3d-legend {
        width: calc(100% - 1.5rem);
        overflow-x: auto;
        justify-content: flex-start;
        bottom: 0.75rem;
    }
    .build-3d-legend button,
    .build-3d-tools button {
        flex: 0 0 auto;
    }
    .build-pin {
        display: none;
    }
    .build-3d-panel {
        grid-template-columns: 1fr;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 1rem 1.5rem;
        min-height: 48px;
    }
    .container {
        padding: 0 1.25rem;
    }
    .section-padding {
        padding: 3.5rem 0;
    }
    .intro-stats {
        grid-template-columns: 1fr;
    }
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    .home-en .intro-grid {
        gap: 2rem;
    }
    .home-en .intro-text h2 {
        max-width: 13ch;
    }
    .home-en .intro-lead {
        max-width: 34ch;
        font-size: 0.98rem;
        line-height: 1.55;
        overflow-wrap: anywhere;
    }
    .intro-pill-row {
        gap: 0.55rem 0.8rem;
        margin-top: 1.1rem;
        padding: 0.8rem 0;
        font-size: 0.68rem;
    }
    .home-en .proven-venues {
        max-width: 31ch;
        overflow-wrap: anywhere;
    }
    .home-case-gallery.section-padding {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
    .gallery-heading {
        display: block;
        margin-bottom: 1.2rem;
    }
    .gallery-heading p {
        max-width: 26ch;
        margin-top: 0.7rem;
        text-align: left;
        font-size: var(--text-sm);
    }
    .case-rail {
        display: flex;
        width: calc(100vw - 1.25rem);
        margin-right: -1.25rem;
        padding: 0 1.25rem 0.4rem 0;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }
    .case-rail::-webkit-scrollbar {
        display: none;
    }
    .case-tile,
    .case-tile-large {
        flex: 0 0 min(82vw, 320px);
        height: 230px;
        scroll-snap-align: start;
    }
    .home-en .service-card p,
    .home-en .solution-card p,
    .home-en #overseas .text-content > p,
    .home-en .cta-section p,
    .home-en .contact-info > p {
        display: block;
        font-size: 0.88rem;
        line-height: 1.55;
        margin-bottom: 1rem;
    }
    .home-en .service-card {
        padding: 1.5rem;
    }
    .home-en .service-card .icon {
        margin-bottom: 0.85rem;
        font-size: 2rem;
    }
    .home-en .service-card h3,
    .home-en .solution-card h3 {
        font-size: 1.1rem;
        line-height: 1.25;
        margin-bottom: 0.6rem;
    }
    .home-en .service-card .btn-text {
        font-size: 0.85rem;
    }
    .home-en .stat-box p {
        max-width: 27ch;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.45;
        overflow-wrap: anywhere;
    }
    .home-en .solution-card .content {
        padding: 1.25rem;
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .location-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .service-card-large .service-content {
        padding: 1.75rem;
    }
    .service-card-large .service-content h3 {
        font-size: 1.15rem;
        line-height: 1.3;
    }
    .service-card-large .service-content p {
        font-size: 0.9rem;
        line-height: 1.55;
    }
    .page-header {
        padding: 110px 1.25rem 50px;
    }
    .page-header h1 {
        font-size: clamp(1.35rem, 4vw + 0.5rem, 1.9rem);
        line-height: 1.25;
    }
    .page-header p {
        font-size: var(--text-base);
        max-width: 50ch;
    }
    .section-subtitle {
        max-width: 30ch;
        margin-bottom: 2.5rem;
        overflow-wrap: anywhere;
    }
    .tags {
        gap: 0.6rem;
    }
    .tags span {
        padding: 0.6rem 1rem;
        font-size: var(--text-sm);
        min-height: 40px;
        display: inline-flex;
        align-items: center;
    }
    .stat-box {
        padding: 1.5rem;
    }
    .features-list li {
        padding-left: 1.8rem;
        line-height: 1.7;
        margin-bottom: 0.8rem;
    }
    .contact-form {
        padding: 2rem 1.5rem;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 1rem;
        min-height: 48px;
    }
    /* Canvas showcase on mobile */
    .canvas-controls {
        gap: 0.8rem;
    }
    .canvas-btn {
        width: 44px;
        height: 44px;
    }
    .canvas-overlay-ui {
        padding: 2rem 1rem 0.8rem;
    }
    .footer-bottom p {
        font-size: 0.72rem;
        line-height: 1.65;
        padding: 0 0.5rem;
    }
    .overseas-flex {
        gap: 2.5rem;
    }
    .home-en #overseas .text-content > p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    .home-en .cta-section p {
        font-size: 0.9rem;
        padding: 0 0.5rem;
    }
    .home-en .contact-info > p {
        font-size: 0.9rem;
    }
}

/* Small phones (320px - 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    .section-padding {
        padding: 3rem 0;
    }
    .page-header {
        padding: 110px 1rem 50px;
    }
    .page-header h1 {
        font-size: 1.3rem;
        line-height: 1.3;
    }
    .page-header p {
        font-size: var(--text-sm);
    }
    h2 {
        font-size: clamp(1.25rem, 4vw, 1.75rem);
    }
    h3 {
        font-size: clamp(1.1rem, 3vw, 1.4rem);
    }
    .hero {
        padding: 100px 1rem 3rem;
    }
    .hero-content h1 {
        font-size: clamp(1.25rem, 5.1vw, 1.55rem);
        line-height: 1.16;
        word-break: break-word;
    }
    .home-en .home-hero-content h1 {
        font-size: clamp(1.45rem, 6vw, 1.85rem);
        line-height: 1.12;
    }
    .home-en .home-hero-content p {
        max-width: none;
        font-size: 0.9rem;
        padding: 0;
    }
    .home-en .hero-quick-points {
        font-size: 0.75rem;
        gap: 0.4rem 0.7rem;
    }
    .hero-collage-card,
    .hero-collage-card-main {
        flex-basis: min(76vw, 260px);
        min-height: 162px;
    }
    .case-tile,
    .case-tile-large {
        height: 210px;
    }
    .hero-3d-stage {
        min-height: 300px;
    }
    .hero-3d-sequence button {
        padding: 0 0.5rem;
        font-size: 0.68rem;
    }
    .hero-3d-toolbar {
        display: none;
    }
    .build-3d-stage {
        min-height: 380px;
    }
    .build-3d-tools {
        display: none;
    }
    .build-3d-topbar {
        font-size: 0.68rem;
    }
    .build-3d-panel div {
        padding: 0.85rem 1rem;
    }
    .btn-primary, .btn-secondary {
        padding: 0.9rem 1.2rem;
        font-size: var(--text-sm);
        min-height: 48px;
    }
    .navbar {
        padding: 1rem 4%;
    }
    .logo {
        font-size: 1.25rem;
    }
    .nav-links.active {
        padding: 1.5rem 1rem;
    }
    .service-card-large .service-img {
        min-height: 200px;
    }
    .tags span {
        padding: 0.5rem 0.8rem;
        font-size: 0.75rem;
    }
    .stat-box h3 {
        font-size: var(--text-xl);
    }
    .service-card {
        padding: 2rem 1.5rem;
    }
    .contact-form {
        padding: 1.5rem 1rem;
    }
    .intro-text p {
        font-size: var(--text-sm);
    }
    .solution-card .img-wrapper {
        height: 180px;
    }
    .canvas-stage {
        border-radius: 8px;
    }
    .canvas-overlay-ui {
        padding: 1.5rem 0.8rem 0.6rem;
    }
    .canvas-badge {
        font-size: 0.65rem;
    }
    .canvas-project-name {
        font-size: 0.75rem;
    }
    .canvas-status {
        font-size: 0.65rem;
    }
    .expo-category h4 {
        font-size: var(--text-base);
    }
    .location-card {
        padding: 1.5rem;
    }
    .footer-bottom p {
        font-size: 0.68rem;
        line-height: 1.7;
        padding: 0 0.25rem;
    }
    .home-en .home-hero-content h1 {
        font-size: clamp(1.35rem, 5.8vw, 1.65rem);
    }
    .home-en .home-hero-content p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    .hero-collage-card,
    .hero-collage-card-main {
        flex-basis: min(80vw, 260px);
        min-height: 170px;
    }
}