:root {
            --bg: #000000;
            --surface: #111111;
            --surface2: #1a1a1a;
            --border: rgba(255, 255, 255, 0.1);
            --accent: #0071e3;
            --accent2: #2997ff;
            --text: #f5f5f7;
            --muted: #86868b;
            --warn: #2997ff;
            --radius: 16px;
            --radius-sm: 10px;
            --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
            --nav-bg: rgba(8, 11, 16, 0.85);
        }

        [data-theme="light"] {
            --bg: #f5f5f7;
            --surface: #ffffff;
            --surface2: #e8e8ed;
            --border: rgba(0, 0, 0, 0.1);
            --text: #1d1d1f;
            --muted: #6e6e73;
            --nav-bg: rgba(245, 245, 247, 0.85);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* ── NOISE OVERLAY ── */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
            opacity: 0.03;
            pointer-events: none;
            z-index: 9999;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font);
            line-height: 1.15;
        }

        /* ── NAV ── */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 48px;
            background: var(--nav-bg);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
        }

        /* ── THEME TOGGLE ── */
        .theme-toggle {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(128, 128, 128, 0.12);
            border: 1px solid var(--border);
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: background 0.2s, transform 0.3s;
            margin-left: 16px;
            flex-shrink: 0;
        }

        .theme-toggle:hover {
            background: rgba(128, 128, 128, 0.22);
            transform: rotate(20deg);
        }

        .logo {
            font-family: var(--font);
            font-weight: 800;
            font-size: 1.3rem;
            letter-spacing: -0.5px;
            color: var(--text);
        }

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

        nav a {
            color: var(--muted);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.2s;
        }

        nav a:hover {
            color: var(--text);
        }

        .nav-cta {
            background: var(--accent);
            color: #000 !important;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600 !important;
            transition: opacity 0.2s !important;
        }

        .nav-cta:hover {
            opacity: 0.85;
        }

        /* ── HERO ── */
        .hero {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            text-align: center;
            padding: 140px 24px 80px;
            position: relative;
            overflow: hidden;
        }

        .hero h1,
        .hero p,
        .hero-btns,
        .hero-stats {
            position: relative;
            z-index: 2;
        }

        /* ── HERO SLIDESHOW ── */
        .hero-slideshow {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-slideshow .slide {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 1.2s ease-in-out;
        }

        .hero-slideshow .slide.active {
            opacity: 1;
        }

        .hero-slideshow::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1;
        }

        /* ── SLIDESHOW CONTROLS (Apple style) ── */
        .slideshow-controls {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 3;
        }

        /* Left pill — play/pause button */
        .slideshow-playpause {
            background: rgba(60, 60, 60, 0.72);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: none;
            border-radius: 50px;
            width: 56px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: #fff;
            transition: background 0.2s;
        }

        .slideshow-playpause:hover {
            background: rgba(90, 90, 90, 0.82);
        }

        .slideshow-playpause svg {
            width: 16px;
            height: 16px;
            fill: #fff;
        }

        /* Right pill — navigation dots */
        .slideshow-dots {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(60, 60, 60, 0.72);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 50px;
            padding: 10px 18px;
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.35);
            border: none;
            cursor: pointer;
            transition: background 0.3s ease, width 0.35s ease, border-radius 0.35s ease;
            padding: 0;
            flex-shrink: 0;
        }

        .dot.active {
            background: #fff;
            width: 34px;
            border-radius: 50px;
        }

        .dot:hover {
            background: rgba(255, 255, 255, 0.6);
        }

        .hero-glow {
            position: absolute;
            top: -200px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(0, 113, 227, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        @keyframes pulse {

            0%,
            100% {
                opacity: 1;
            }

            50% {
                opacity: 0.4;
            }
        }

        .hero h1 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -1.5px;
            max-width: 800px;
            margin-top: 48px;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 40%, rgba(255, 255, 255, 0.5));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-gradient-text {
            background: none;
            -webkit-background-clip: unset;
            background-clip: unset;
            -webkit-text-fill-color: #5b2de4;
            color: #5b2de4;
        }

        .hero p {
            font-size: 1.2rem;
            color: #a1a1aa;
            max-width: 520px;
            margin-bottom: 48px;
            font-weight: 300;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 24px;
        }

        .btn-primary {
            background: var(--accent);
            color: #000;
            border: none;
            padding: 16px 36px;
            border-radius: 50px;
            font-family: var(--font);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 113, 227, 0.3);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border);
            padding: 16px 36px;
            border-radius: 50px;
            font-family: var(--font);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.04);
        }

        [data-theme="light"] .btn-ghost {
            color: #1d1d1f;
            border-color: #1d1d1f;
        }

        [data-theme="light"] .btn-ghost:hover {
            background: rgba(0, 0, 0, 0.06);
            border-color: #1d1d1f;
        }

        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 80px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .stat {
            text-align: center;
        }

        .stat-num {
            font-family: var(--font);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.95rem;
            color: #a1a1aa;
            margin-top: 4px;
            font-weight: 500;
        }

        /* ── STORY SECTION ── */
        .section {
            padding: 100px 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .section-label {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .story-grid h2 {
            font-size: clamp(1.8rem, 3vw, 2.8rem);
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .story-grid p {
            color: var(--muted);
            font-size: 1.05rem;
            margin-bottom: 16px;
        }

        .mac-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .mac-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 113, 227, 0.12), transparent 70%);
            pointer-events: none;
        }

        .mac-icon {
            font-size: 3.5rem;
            margin-bottom: 20px;
            display: block;
        }

        .mac-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .mac-card p {
            color: var(--muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .spec-list {
            list-style: none;
        }

        .spec-list li {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }

        .spec-list li:last-child {
            border-bottom: none;
        }

        .spec-list .val {
            color: var(--accent);
            font-weight: 600;
        }

        /* ── CONFIGURATOR ── */
        .configurator-wrap {
            background: var(--bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 100px 24px 60px;
        }

        .configurator-inner {
            max-width: 1400px;
            margin: 0 auto;
        }

        .config-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .config-header h2 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -1.5px;
            margin-bottom: 12px;
        }

        .config-header p {
            color: var(--muted);
            font-size: 1.1rem;
        }

        /* ── APPLE TWO-PANEL LAYOUT ── */
        .apple-layout {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 0;
            align-items: start;
        }

        /* LEFT: STICKY IMAGE PANEL (desktop) */
        .config-image-panel {
            position: sticky;
            top: 0;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }

        .config-image-inner {
            position: relative;
            width: 100%;
            height: 85%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        /* ── PER-SECTION CAROUSEL ── */
        .step-carousel {
            display: none;
            /* Hidden on desktop — desktop shows via sticky panel */
            position: relative;
            background: var(--surface);
            border-radius: 20px;
            overflow: hidden;
            margin-bottom: 24px;
        }

        .carousel-track {
            position: relative;
            width: 100%;
            aspect-ratio: 4/3;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .carousel-slide {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        .carousel-slide.active {
            opacity: 1;
            visibility: visible;
        }

        .carousel-slide img {
            max-width: 85%;
            max-height: 85%;
            object-fit: contain;
            border-radius: 16px;
            transition: opacity 0.15s ease;
        }

        /* Carousel nav arrows */
        .carousel-prev,
        .carousel-next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: none;
            color: #fff;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, opacity 0.2s;
            opacity: 1;
        }



        .carousel-prev {
            left: 12px;
        }

        .carousel-next {
            right: 12px;
        }

        .carousel-prev:hover,
        .carousel-next:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        [data-theme="light"] .carousel-prev,
        [data-theme="light"] .carousel-next {
            background: rgba(0, 0, 0, 0.08);
            color: #1d1d1f;
        }

        [data-theme="light"] .carousel-prev:hover,
        [data-theme="light"] .carousel-next:hover {
            background: rgba(0, 0, 0, 0.15);
        }

        /* Carousel dots */
        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 8px;
            padding: 12px 0;
        }

        .carousel-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            border: none;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            padding: 0;
        }

        .carousel-dot.active {
            background: #fff;
            transform: scale(1.3);
        }

        [data-theme="light"] .carousel-dot {
            background: rgba(0, 0, 0, 0.2);
        }

        [data-theme="light"] .carousel-dot.active {
            background: #1d1d1f;
        }

        /* Carousel caption */
        .carousel-caption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--muted);
            padding: 0 16px 16px;
        }

        /* Hide dots/arrows when single image */
        .carousel-single .carousel-dots,
        .carousel-single .carousel-prev,
        .carousel-single .carousel-next {
            display: none;
        }

        /* Desktop sticky panel carousel styles */
        .desktop-carousel-slot .step-carousel {
            display: block !important;
            width: 100%;
            height: 100%;
            background: transparent;
            border-radius: 0;
        }

        .desktop-carousel-slot .carousel-track {
            height: 100%;
            aspect-ratio: unset;
        }

        .desktop-carousel-slot .carousel-slide img {
            max-width: 80%;
            max-height: 75%;
            border-radius: 16px;
        }

        .desktop-carousel-slot .panel-img {
            border-radius: 16px;
        }

        /* RIGHT: SCROLLABLE CONFIG STEPS */
        .config-steps-panel {
            padding: 40px 48px 80px 40px;
        }

        /* ── CONFIG STEPS ── */
        .config-step {
            padding-bottom: 48px;
            margin-bottom: 48px;
            border-bottom: 1px solid var(--border);
        }

        .config-step:last-child {
            border-bottom: none;
        }

        /* Locked sections — until bundle is selected */
        .config-step.section-locked {
            opacity: 0.4;
            pointer-events: none;
            user-select: none;
        }

        /* Apple-style step headers */
        .apple-step-header h3 {
            font-family: var(--font);
            font-size: 1.6rem;
            font-weight: 400;
            margin-bottom: 24px;
        }

        .apple-step-header h3 strong {
            font-weight: 800;
        }

        .apple-step-header .step-sub {
            color: var(--muted);
            font-weight: 400;
        }

        /* ── APPLE OPTION CARDS ── */
        .apple-options {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .apple-option-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: 16px;
            padding: 20px 24px;
            cursor: pointer;
            transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
            position: relative;
            user-select: none;
        }

        .apple-option-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        [data-theme="light"] .apple-option-card:hover {
            border-color: rgba(0, 0, 0, 0.15);
        }

        .apple-option-card.selected {
            border-color: var(--accent);
            background: rgba(0, 113, 227, 0.04);
            box-shadow: 0 0 0 1px var(--accent), 0 4px 20px rgba(0, 113, 227, 0.1);
        }

        .apple-option-left {
            flex: 1;
            min-width: 0;
        }

        .apple-option-right {
            text-align: right;
            flex-shrink: 0;
        }

        .apple-option-name {
            font-family: var(--font);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .apple-option-desc {
            font-size: 0.82rem;
            color: var(--muted);
            line-height: 1.5;
        }

        .apple-option-price {
            font-family: var(--font);
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text);
            margin-bottom: 4px;
        }

        .apple-option-tag {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        /* Thumbnail inside option card */
        .apple-option-thumb {
            width: 72px;
            height: 72px;
            flex-shrink: 0;
            border-radius: 12px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        [data-theme="light"] .apple-option-thumb {
            background: #f5f5f7;
        }

        .apple-option-thumb img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .discount-badge {
            display: inline-block;
            background: linear-gradient(135deg, #30d158, #28b84c);
            color: #fff;
            font-size: 0.65rem;
            font-weight: 800;
            padding: 3px 8px;
            border-radius: 50px;
            letter-spacing: 0.02em;
            vertical-align: middle;
        }

        /* ── BUNDLE CONTENTS PREVIEW ── */
        .bundle-contents {
            margin-top: 20px;
            padding: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            animation: fadeSlideIn 0.4s ease;
        }

        .bundle-contents-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }

        .bundle-contents-grid {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* Bundle detail cards */
        .bundle-detail-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: background 0.2s;
        }

        .bundle-detail-card:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        [data-theme="light"] .bundle-detail-card {
            background: #f8f8fa;
        }

        [data-theme="light"] .bundle-detail-card:hover {
            background: #f0f0f2;
        }

        .bundle-detail-img {
            width: 56px;
            height: 56px;
            flex-shrink: 0;
            border-radius: 10px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        [data-theme="light"] .bundle-detail-img {
            background: #eee;
        }

        .bundle-detail-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .bundle-detail-info {
            flex: 1;
            min-width: 0;
        }

        .bundle-detail-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }

        .bundle-detail-desc {
            font-size: 0.75rem;
            color: var(--muted);
            line-height: 1.4;
        }

        /* Configurable item placeholder */
        .bundle-detail-configurable {
            border-style: dashed;
            border-color: rgba(0, 113, 227, 0.3);
            background: rgba(0, 113, 227, 0.04);
        }

        .bundle-detail-configurable .bundle-detail-name {
            color: #0071e3;
        }


        /* ── COLOR SELECTOR (Apple-style) ── */
        .color-selector {
            margin-top: 20px;
            animation: fadeSlideIn 0.4s ease;
        }

        .color-label {
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 14px;
        }

        .color-label span {
            font-weight: 700;
        }

        .color-swatches {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .color-swatch {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            outline: 2px solid transparent;
            outline-offset: 3px;
            cursor: pointer;
            transition: outline-color 0.2s, transform 0.2s;
            position: relative;
        }

        .color-swatch:hover {
            transform: scale(1.1);
        }

        .color-swatch.active {
            outline-color: var(--accent);
            transform: scale(1.05);
        }

        /* ── INLINE SUMMARY (Final Step) ── */
        .config-summary {
            border-bottom: none !important;
        }

        .summary-items {
            margin-bottom: 20px;
        }

        .summary-empty {
            color: var(--muted);
            font-size: 0.9rem;
            padding: 16px 0;
        }

        .summary-line {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

        .summary-line:last-child {
            border-bottom: none;
        }

        .summary-line .item-name {
            color: var(--text);
        }

        .summary-line .item-price {
            color: var(--accent);
            font-weight: 600;
        }

        .summary-total-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-top: 2px solid var(--border);
            font-family: var(--font);
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 24px;
        }

        .summary-total-row .total-price {
            color: var(--accent);
        }

        .proceed-btn {
            display: block;
            text-align: center;
            width: 100%;
            font-size: 1rem;
            padding: 18px;
            transition: opacity 0.3s, transform 0.2s, box-shadow 0.2s;
        }

        .proceed-btn:not([style*="pointer-events: none"]):hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 113, 227, 0.3);
        }

        /* ── ANIMATIONS ── */
        @keyframes fadeSlideIn {
            from {
                opacity: 0;
                transform: translateY(12px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* CONTACT FORM */
        .contact-section {
            max-width: 640px;
            margin: 64px auto 0;
            padding: 0 24px;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .contact-section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .contact-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 40px;
        }

        .contact-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .contact-card>p {
            color: var(--muted);
            margin-bottom: 28px;
            font-size: 0.95rem;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            color: var(--text);
            font-family: var(--font);
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: rgba(61, 255, 192, 0.4);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--muted);
        }

        .btn-order {
            width: 100%;
            background: var(--accent);
            color: #000;
            border: none;
            padding: 18px;
            border-radius: 50px;
            font-family: var(--font);
            font-weight: 800;
            font-size: 1.05rem;
            cursor: pointer;
            margin-top: 8px;
            transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .btn-order:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 48px rgba(0, 113, 227, 0.3);
        }

        .btn-order:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            transform: none;
        }

        .order-warning {
            font-size: 0.82rem;
            color: var(--accent2);
            text-align: center;
            margin-top: 12px;
            display: none;
        }

        /* FOOTER */
        footer {
            border-top: 1px solid var(--border);
            margin-top: 80px;
            padding: 64px 48px 0;
            background: var(--surface);
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1.8fr 1.6fr;
            gap: 64px;
            padding-bottom: 56px;
            border-bottom: 1px solid var(--border);
        }

        /* Brand column */
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-logo {
            font-size: 1.3rem;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .footer-sub {
            font-size: 0.82rem;
            color: var(--muted);
            font-weight: 500;
        }

        /* Generic columns */
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col-title {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--text);
            margin-bottom: 6px;
        }

        .footer-col a {
            color: var(--muted);
            text-decoration: none;
            font-size: 0.92rem;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--text);
        }

        /* Contact links with SVG icon */
        .footer-contact-link {
            display: flex;
            align-items: center;
            gap: 9px;
            white-space: nowrap;
        }

        .footer-contact-link svg {
            width: 15px;
            height: 15px;
            flex-shrink: 0;
            opacity: 0.75;
        }

        .footer-contact-link:hover svg {
            opacity: 1;
        }

        .footer-wa-note {
            font-size: 0.8rem;
            opacity: 0.55;
            margin-left: 2px;
        }

        /* Social column extras */
        .footer-social-hint {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.5;
        }

        .footer-social-icons {
            display: flex;
            gap: 10px;
            margin-top: 4px;
        }

        .footer-icon-btn {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, transform 0.2s, border-color 0.2s;
            text-decoration: none;
        }

        .footer-icon-btn svg {
            width: 20px;
            height: 20px;
        }

        .footer-icon-btn:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
            color: var(--text);
        }

        [data-theme="light"] .footer-icon-btn {
            background: rgba(0, 0, 0, 0.05);
        }

        [data-theme="light"] .footer-icon-btn:hover {
            background: rgba(0, 0, 0, 0.1);
        }

        /* Bottom bar */
        .footer-bottom {
            max-width: 1100px;
            margin: 0 auto;
            padding: 20px 0 32px;
            font-size: 0.82rem;
            color: var(--muted);
        }

        /* Responsive footer */
        @media (max-width: 900px) {
            footer {
                padding: 48px 24px 0;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 540px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }

        /* SCROLL ANIMATION */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ── RESPONSIVE ── */
        @media (max-width: 1024px) {
            .apple-layout {
                grid-template-columns: 1fr;
            }

            /* Hide sticky panel on mobile */
            .config-image-panel {
                display: none;
            }

            /* Show per-section carousels inline on mobile */
            .step-carousel {
                display: block !important;
            }

            .config-steps-panel {
                padding: 24px 16px;
            }

            /* Make arrows always visible on mobile (no hover) */
            .carousel-prev,
            .carousel-next {
                opacity: 0.7;
            }
        }

        @media (max-width: 768px) {
            nav {
                padding: 16px 24px;
            }

            .story-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .config-image-panel {
                height: 40vh;
                min-height: 280px;
            }

            .config-steps-panel {
                padding: 16px 0;
            }

            .apple-option-card {
                padding: 16px;
                flex-wrap: wrap;
            }

            .apple-option-card.has-image {
                flex-wrap: nowrap;
            }

            .apple-option-thumb {
                width: 56px;
                height: 56px;
            }

            .apple-step-header h3 {
                font-size: 1.3rem;
            }

            nav .nav-links {
                display: none;
            }
        }