/* roulang page: index */
:root {
            --primary-start: #C11DD6;
            --primary-end: #FF0055;
            --primary-gradient: linear-gradient(135deg, #C11DD6, #FF0055);
            --highlight-green: #39FF14;
            --warning-amber: #FFB800;
            --bg-deep: #0A0B0F;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --border-card: rgba(194, 29, 214, 0.3);
            --border-card-hover: rgba(194, 29, 214, 0.6);
            --text-primary: #FFFFFF;
            --text-body: #C8CCD1;
            --text-muted: #8A8D94;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 50px;
            --radius-full: 50%;
            --shadow-card: 0 8px 32px rgba(194, 29, 214, 0.15);
            --shadow-card-hover: 0 16px 48px rgba(194, 29, 214, 0.35);
            --shadow-btn-glow: 0 0 20px rgba(255, 0, 85, 0.5);
            --shadow-nav: 0 2px 10px rgba(0, 0, 0, 0.6);
            --font-rajdhani: 'Rajdhani', 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --section-py: 100px;
            --section-py-mobile: 60px;
            --card-gap: 24px;
            --card-gap-mobile: 16px;
            --card-padding: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ============ NAVIGATION ============ */
        #nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 11, 15, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-smooth);
        }
        #nav.scrolled {
            background: rgba(10, 11, 15, 0.95);
        }
        #nav::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-gradient);
            opacity: 0.85;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            position: relative;
            z-index: 1;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(194, 29, 214, 0.5);
        }
        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
            font-weight: 800;
            letter-spacing: 0.5px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-menu li a {
            display: block;
            padding: 10px 18px;
            color: var(--text-body);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 30px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu li a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition-smooth);
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: #FFFFFF;
        }
        .nav-menu li a:hover::after,
        .nav-menu li a.active::after {
            transform: scaleX(1);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            background: var(--primary-gradient);
            color: #FFFFFF !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn-glow);
            transition: all var(--transition-bounce);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 0 28px rgba(255, 0, 85, 0.7);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #FFFFFF;
            border-radius: 3px;
            transition: all var(--transition-smooth);
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(10, 11, 15, 0.96);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-overlay a {
            font-size: 1.3rem;
            color: var(--text-body);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 30px;
            transition: all var(--transition-fast);
            display: block;
            text-align: center;
        }
        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a:active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu-overlay .mobile-cta {
            background: var(--primary-gradient);
            color: #FFFFFF !important;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            margin-top: 8px;
            box-shadow: var(--shadow-btn-glow);
        }

        /* ============ HERO ============ */
        #hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 70px;
            background-color: var(--bg-deep);
        }
        #hero .hero-bg-image {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.28;
            z-index: 0;
        }
        #hero .hero-gradient-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(194, 29, 214, 0.25) 0%, transparent 65%),
                radial-gradient(ellipse at 70% 60%, rgba(255, 0, 85, 0.18) 0%, transparent 55%),
                linear-gradient(180deg, rgba(10, 11, 15, 0.3) 0%, rgba(10, 11, 15, 0.85) 100%);
            z-index: 1;
        }
        #hero canvas {
            position: absolute;
            inset: 0;
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
            animation: heroFadeIn 1s ease-out;
        }
        @keyframes heroFadeIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(194, 29, 214, 0.15);
            border: 1px solid rgba(194, 29, 214, 0.4);
            border-radius: var(--radius-btn);
            font-size: 0.875rem;
            color: #e0b0f0;
            letter-spacing: 1px;
            margin-bottom: 24px;
            font-weight: 500;
        }
        .hero-badge i {
            color: var(--highlight-green);
            margin-right: 6px;
            font-size: 0.7rem;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.35;
                transform: scale(1.8);
            }
        }
        .hero-content h1 {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-body);
            margin-bottom: 36px;
            line-height: 1.8;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-bounce);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary-gradient);
            color: #FFFFFF;
            box-shadow: var(--shadow-btn-glow);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 32px rgba(255, 0, 85, 0.7);
        }
        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .btn-outline:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-3px);
            box-shadow: 0 0 24px rgba(194, 29, 214, 0.3);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
            border-radius: 30px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }
        .btn-link {
            background: none;
            color: var(--text-body);
            padding: 8px 0;
            font-weight: 500;
            border-radius: 0;
            position: relative;
        }
        .btn-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 1.5px;
            background: var(--highlight-green);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }
        .btn-link:hover {
            color: var(--highlight-green);
        }
        .btn-link:hover::after {
            transform: scaleX(1);
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            color: rgba(255, 255, 255, 0.55);
            font-size: 1.4rem;
            animation: bounce-down 2s ease-in-out infinite;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .hero-scroll-indicator:hover {
            color: #FFFFFF;
        }
        @keyframes bounce-down {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(14px);
            }
        }

        /* ============ SECTIONS ============ */
        section {
            padding: var(--section-py) 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2.5px;
            color: var(--highlight-green);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 3px;
            margin: 16px auto 0;
        }

        /* ============ ADVANTAGES ============ */
        #advantages {
            background: var(--bg-deep);
            position: relative;
        }
        #advantages::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(194, 29, 214, 0.3), transparent);
        }
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .advantage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: var(--card-padding);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            border-color: var(--border-card-hover);
            background: var(--bg-card-hover);
        }
        .advantage-card.card-layout-horizontal {
            flex-direction: row;
            align-items: center;
            gap: 24px;
        }
        .advantage-card.card-layout-horizontal .adv-icon-wrap {
            flex-shrink: 0;
            width: 70px;
            height: 70px;
        }
        .advantage-card.card-layout-badge-top {
            align-items: center;
            text-align: center;
        }
        .advantage-card.card-layout-animated-bar {
            align-items: stretch;
        }
        .adv-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(194, 29, 214, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #d080e8;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .advantage-card:hover .adv-icon-wrap {
            background: rgba(194, 29, 214, 0.25);
            color: #fff;
            box-shadow: 0 0 24px rgba(194, 29, 214, 0.4);
        }
        .adv-badge-circle {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-full);
            border: 3px solid rgba(194, 29, 214, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            background: rgba(194, 29, 214, 0.08);
            box-shadow: inset 0 0 30px rgba(194, 29, 214, 0.2);
            transition: all var(--transition-smooth);
            flex-shrink: 0;
        }
        .advantage-card:hover .adv-badge-circle {
            border-color: rgba(194, 29, 214, 0.8);
            box-shadow: inset 0 0 40px rgba(194, 29, 214, 0.35), 0 0 32px rgba(194, 29, 214, 0.5);
            transform: scale(1.08);
        }
        .adv-badge-number {
            font-family: var(--font-rajdhani);
            font-size: 2rem;
            font-weight: 700;
            color: var(--highlight-green);
            line-height: 1;
        }
        .adv-badge-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-align: center;
            line-height: 1.3;
            margin-top: 2px;
        }
        .adv-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 6px;
        }
        .adv-content p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
            margin: 0;
        }
        .adv-animated-bar-wrap {
            margin-top: auto;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            height: 10px;
            overflow: hidden;
            position: relative;
        }
        .adv-animated-bar-fill {
            height: 100%;
            border-radius: 20px;
            background: var(--primary-gradient);
            width: 0%;
            transition: width 1.8s ease-out;
            box-shadow: 0 0 12px rgba(255, 0, 85, 0.5);
        }
        .adv-animated-bar-fill.animated {
            width: 87%;
        }

        /* ============ SERVICES ============ */
        #services {
            background: #0d0e13;
            position: relative;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: var(--card-padding);
            display: flex;
            gap: 24px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            border-color: var(--border-card-hover);
            background: var(--bg-card-hover);
        }
        .service-card .svc-icon {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(194, 29, 214, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #d080e8;
            transition: all var(--transition-bounce);
        }
        .service-card:hover .svc-icon {
            transform: scale(1.2);
            background: rgba(194, 29, 214, 0.25);
            color: #fff;
            box-shadow: 0 0 24px rgba(194, 29, 214, 0.5);
        }
        .service-card .svc-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 6px;
        }
        .service-card .svc-body p {
            font-size: 0.93rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .service-card .svc-body .svc-link {
            color: var(--text-muted);
            font-size: 0.875rem;
            font-weight: 500;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .service-card:hover .svc-body .svc-link {
            color: var(--highlight-green);
        }
        .service-card .svc-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 70px;
            border-radius: 10px;
            overflow: hidden;
            object-fit: cover;
            align-self: center;
            opacity: 0.7;
            transition: opacity var(--transition-smooth);
        }
        .service-card:hover .svc-thumb {
            opacity: 1;
        }

        /* ============ PROCESS ============ */
        #process {
            background: var(--bg-deep);
            position: relative;
        }
        .process-steps {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            gap: 0;
            flex-wrap: wrap;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: repeating-linear-gradient(90deg, rgba(194, 29, 214, 0.5) 0px, rgba(194, 29, 214, 0.5) 8px, transparent 8px, transparent 18px);
            z-index: 0;
        }
        .process-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            flex: 1;
            min-width: 160px;
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .process-badge {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-full);
            background: var(--bg-card);
            border: 3px solid rgba(194, 29, 214, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-rajdhani);
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFFFFF;
            transition: all var(--transition-bounce);
            box-shadow: 0 0 20px rgba(194, 29, 214, 0.2);
            position: relative;
        }
        .process-step:hover .process-badge {
            transform: scale(1.15);
            border-color: rgba(194, 29, 214, 0.9);
            color: var(--highlight-green);
            box-shadow: 0 0 40px rgba(194, 29, 214, 0.55);
        }
        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ DATA ============ */
        #data {
            background: #0d0e13;
            position: relative;
            overflow: hidden;
        }
        #data::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(194, 29, 214, 0.06) 0%, transparent 60%),
                radial-gradient(circle at 70% 50%, rgba(255, 0, 85, 0.05) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
            position: relative;
            z-index: 1;
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-card-hover);
        }
        .data-number {
            font-family: var(--font-rajdhani);
            font-size: 3.5rem;
            font-weight: 700;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
            line-height: 1;
            margin-bottom: 8px;
            display: block;
            position: relative;
        }
        .data-number .data-suffix {
            font-size: 2rem;
            -webkit-text-fill-color: var(--highlight-green);
            color: var(--highlight-green);
            font-weight: 600;
        }
        .data-label {
            font-size: 0.9rem;
            color: var(--text-body);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .data-micro-cta {
            text-align: center;
            margin-top: 40px;
            position: relative;
            z-index: 1;
        }

        /* ============ CASES ============ */
        #cases {
            background: var(--bg-deep);
            position: relative;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }
        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            cursor: pointer;
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: stretch;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            border-color: var(--border-card-hover);
        }
        .case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .case-card:hover img {
            transform: scale(1.05);
        }
        .case-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 11, 15, 0.9) 100%);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-end;
            padding: 24px;
            transition: background var(--transition-smooth);
        }
        .case-card:hover .case-overlay {
            background: linear-gradient(180deg, rgba(10, 11, 15, 0.5) 0%, rgba(10, 11, 15, 0.92) 100%);
        }
        .case-overlay .case-tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--primary-gradient);
            border-radius: 20px;
            font-size: 0.75rem;
            color: #FFFFFF;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: 8px;
        }
        .case-overlay .case-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0;
        }
        .case-overlay .case-sub {
            font-size: 0.85rem;
            color: var(--text-body);
            margin-top: 4px;
        }

        /* ============ FAQ ============ */
        #faq {
            background: #0d0e13;
            position: relative;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--border-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 600;
            font-family: inherit;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(194, 29, 214, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #d080e8;
            transition: all var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--highlight-green);
            color: var(--highlight-green);
            box-shadow: 0 0 14px rgba(57, 255, 20, 0.35);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px 76px;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ============ CTA CONTACT ============ */
        #contact {
            background: var(--bg-deep);
            position: relative;
        }
        #contact::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(194, 29, 214, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .contact-wrapper {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .contact-wrapper h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .contact-wrapper .contact-sub {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: 36px;
        }
        .contact-form {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: flex-end;
        }
        .form-field {
            flex: 1;
            min-width: 160px;
            text-align: left;
        }
        .form-field label {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .form-field input {
            width: 100%;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: none;
            border-bottom: 2px solid rgba(194, 29, 214, 0.4);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .form-field input:focus {
            outline: none;
            border-bottom-color: var(--highlight-green);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 6px 20px rgba(57, 255, 20, 0.1);
        }
        .form-field input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ============ FOOTER ============ */
        #footer {
            background: #08090c;
            padding: 50px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .footer-brand .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-links h3 {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: var(--highlight-green);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: all var(--transition-smooth);
        }
        .footer-social a:hover {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #FFFFFF;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-3px);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ============ BACK TO TOP ============ */
        #back-to-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            z-index: 998;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-full);
            background: var(--primary-gradient);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: var(--shadow-btn-glow);
            cursor: pointer;
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: all var(--transition-smooth);
            border: none;
        }
        #back-to-top.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        #back-to-top:hover {
            transform: translateY(-5px) scale(1.08);
            box-shadow: 0 0 32px rgba(255, 0, 85, 0.8);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .hero-content h1 {
                font-size: 3rem;
            }
            section {
                padding: 70px 0;
            }
            .process-steps::before {
                left: 8%;
                right: 8%;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-menu-overlay {
                display: flex;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .advantage-card.card-layout-horizontal {
                flex-direction: column;
                align-items: flex-start;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            section {
                padding: var(--section-py-mobile) 0;
            }
            .contact-form {
                flex-direction: column;
                align-items: stretch;
            }
            .form-field {
                min-width: auto;
            }
            .process-steps {
                flex-direction: column;
                align-items: center;
                gap: 28px;
            }
            .process-steps::before {
                display: none;
            }
            .process-step {
                flex-direction: row;
                gap: 16px;
                text-align: left;
                min-width: auto;
                width: 100%;
                max-width: 350px;
            }
            .process-badge {
                width: 56px;
                height: 56px;
                font-size: 1.6rem;
                flex-shrink: 0;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .service-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .service-card .svc-thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
                align-self: stretch;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-number {
                font-size: 2.4rem;
            }
            .data-card {
                padding: 18px 12px;
            }
            .container {
                padding: 0 14px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
                gap: 10px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px 56px;
            }
            .nav-logo-text {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }