/* roulang page: index */
:root {
            --primary-red: #E8313D;
            --primary-red-hover: #FF4B56;
            --dark-purple: #2D1B3D;
            --cyan-accent: #00F2FE;
            --white: #FFFFFF;
            --gray-secondary: #B0B0C0;
            --dark-card: #1C1C2A;
            --dark-card-hover: #252538;
            --bg-global: #0D0D1A;
            --border-subtle: rgba(255, 255, 255, 0.05);
            --border-white: rgba(255, 255, 255, 0.2);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 16px 32px rgba(232, 49, 61, 0.15);
            --shadow-btn: 0 10px 20px rgba(232, 49, 61, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 100px;
            --radius-bottom-nav: 40px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', '苹方', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
            --section-padding: 100px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
        }

        body {
            font-family: var(--font-display);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--gray-secondary);
            background-color: var(--bg-global);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--cyan-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input:focus-visible {
            outline: 2px solid var(--cyan-accent);
            outline-offset: 2px;
        }
        ul {
            list-style: none;
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: transparent;
            transition: background var(--transition-smooth), backdrop-filter var(--transition-smooth);
            display: flex;
            align-items: center;
        }
        .site-header.scrolled {
            background: rgba(13, 13, 26, 0.88);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary-red) 30%, var(--white) 70%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }
        .nav-links a {
            color: var(--white);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            text-transform: uppercase;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--cyan-accent);
            border-radius: 1px;
            transition: width var(--transition-smooth);
            box-shadow: 0 0 12px rgba(0, 242, 254, 0.6);
        }
        .nav-links a:hover {
            color: var(--cyan-accent);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-cta-mini {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-red);
            color: var(--white);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
        }
        .nav-cta-mini:hover {
            background: var(--primary-red-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
            color: var(--white);
        }

        /* Mobile bottom nav */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1100;
            background: rgba(28, 28, 42, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-bottom-nav);
            padding: 8px 18px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.06);
            gap: 10px;
            align-items: center;
        }
        .mobile-bottom-nav a,
        .mobile-bottom-nav button {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            color: var(--gray-secondary);
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            min-width: 44px;
            text-align: center;
        }
        .mobile-bottom-nav a:hover,
        .mobile-bottom-nav button:hover {
            color: var(--cyan-accent);
        }
        .mobile-bottom-nav .nav-icon {
            font-size: 18px;
            line-height: 1;
        }
        .mobile-hamburger {
            font-size: 20px;
            color: var(--white);
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 20px;
            transition: color var(--transition-fast);
        }
        .mobile-hamburger:hover {
            color: var(--cyan-accent);
        }

        /* Full mobile menu overlay */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 1200;
            background: rgba(13, 13, 26, 0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.active {
            display: flex;
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-overlay a {
            color: var(--white);
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            transition: color var(--transition-fast);
        }
        .mobile-menu-overlay a:hover {
            color: var(--cyan-accent);
        }
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 28px;
            color: var(--white);
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px 14px;
            border-radius: 50%;
            transition: color var(--transition-fast);
        }
        .mobile-menu-close:hover {
            color: var(--cyan-accent);
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: radial-gradient(ellipse at 65% 40%, rgba(45, 27, 61, 0.7) 0%, var(--bg-global) 60%);
        }
        .hero-bg-light-streaks {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
            z-index: 0;
        }
        .hero-bg-light-streaks::before {
            content: '';
            position: absolute;
            top: 25%;
            left: 55%;
            width: 600px;
            height: 3px;
            background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.35), rgba(232, 49, 61, 0.3), transparent);
            border-radius: 2px;
            animation: streakMove 8s ease-in-out infinite;
        }
        .hero-bg-light-streaks::after {
            content: '';
            position: absolute;
            top: 55%;
            left: 50%;
            width: 500px;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(232, 49, 61, 0.3), rgba(0, 242, 254, 0.25), transparent);
            border-radius: 2px;
            animation: streakMove 10s ease-in-out infinite reverse;
        }
        @keyframes streakMove {
            0%,
            100% {
                transform: translateX(0);
                opacity: 0.5;
            }
            50% {
                transform: translateX(60px);
                opacity: 0.9;
            }
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .hero-text {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-h1 {
            font-size: 54px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary-red) 20%, var(--white) 65%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
            margin: 0;
        }
        .hero-h1 .brand-highlight {
            display: inline;
            background: linear-gradient(135deg, var(--primary-red) 0%, #ff6b75 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-pain-point {
            font-size: 17px;
            color: var(--gray-secondary);
            line-height: 1.8;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-red);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 14px 36px;
            border-radius: var(--radius-pill);
            height: 52px;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-red-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-btn);
            color: var(--white);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--white);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.5px;
            padding: 14px 36px;
            border-radius: var(--radius-pill);
            height: 52px;
            white-space: nowrap;
            border: 1.5px solid var(--border-white);
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .btn-secondary:hover {
            border-color: var(--cyan-accent);
            color: var(--cyan-accent);
            box-shadow: 0 0 24px rgba(0, 242, 254, 0.2);
        }
        .hero-image-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-image-glow {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-image-glow img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 3/4;
        }
        .hero-image-glow::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, rgba(232, 49, 61, 0.12) 0%, rgba(0, 242, 254, 0.06) 100%);
            pointer-events: none;
        }

        /* ============ SECTIONS GENERAL ============ */
        .section {
            padding: var(--section-padding) 24px;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--cyan-accent);
            margin-bottom: 12px;
        }
        .section-h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: -0.3px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--gray-secondary);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 40px;
        }
        .text-link {
            color: var(--white);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(255, 255, 255, 0.3);
            transition: all var(--transition-fast);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .text-link:hover {
            text-decoration-color: var(--primary-red);
            color: var(--white);
        }
        .text-link .arrow {
            transition: transform var(--transition-fast);
        }
        .text-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ============ SOLUTION CARDS ============ */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 24px;
            grid-template-areas:
                "card1 card2"
                "card3 card4 card5";
        }
        .solution-grid .card-large {
            grid-area: unset;
            min-height: 240px;
        }
        .solution-grid .card-small-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
            grid-column: 1 / -1;
        }
        .card {
            background: var(--dark-card);
            border-radius: var(--radius-md);
            padding: 30px 28px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            background: var(--dark-card-hover);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 242, 254, 0.3);
            transform: translateY(-3px);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(232, 49, 61, 0.2) 0%, rgba(0, 242, 254, 0.15) 100%);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .card-icon svg {
            width: 26px;
            height: 26px;
        }
        .card h3 {
            font-size: 21px;
            font-weight: 600;
            color: var(--white);
            letter-spacing: -0.2px;
        }
        .card p {
            font-size: 15px;
            color: var(--gray-secondary);
            line-height: 1.7;
        }
        .card .card-link {
            margin-top: auto;
        }

        /* ============ PROCESS ============ */
        .process-wrapper {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 0;
            position: relative;
            flex-wrap: nowrap;
        }
        .process-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            flex: 1;
            position: relative;
            z-index: 1;
            gap: 10px;
        }
        .process-step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--dark-card);
            border: 2px dashed rgba(0, 242, 254, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            position: relative;
            z-index: 2;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
        }
        .process-step.active .process-step-circle,
        .process-step:hover .process-step-circle {
            background: var(--primary-red);
            border-color: var(--primary-red);
            box-shadow: 0 0 28px rgba(232, 49, 61, 0.5);
        }
        .process-step-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            letter-spacing: 0.3px;
        }
        .process-step-desc {
            font-size: 13px;
            color: var(--gray-secondary);
            max-width: 140px;
            line-height: 1.6;
        }
        .process-connector {
            position: absolute;
            top: 28px;
            left: 0;
            right: 0;
            height: 2px;
            z-index: 0;
            pointer-events: none;
        }
        .process-connector-line {
            width: 100%;
            height: 2px;
            border-top: 2px dashed rgba(0, 242, 254, 0.3);
        }

        /* ============ RESULTS ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }
        .stat-card {
            background: var(--dark-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: rgba(0, 242, 254, 0.3);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary-red);
            letter-spacing: -1px;
            line-height: 1;
        }
        .stat-unit {
            font-size: 18px;
            font-weight: 500;
            color: var(--cyan-accent);
        }
        .stat-label {
            font-size: 14px;
            color: var(--gray-secondary);
            margin-top: 8px;
        }
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            background: var(--dark-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border-left: 4px solid var(--primary-red);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-left-color: var(--cyan-accent);
            border-left-width: 6px;
            transform: translateY(-4px);
        }
        .case-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .case-card-body {
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .case-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--cyan-accent);
            background: rgba(0, 242, 254, 0.08);
            padding: 3px 10px;
            border-radius: 20px;
            width: fit-content;
        }
        .case-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--white);
        }
        .case-card p {
            font-size: 13px;
            color: var(--gray-secondary);
            line-height: 1.6;
        }

        /* ============ TESTIMONIAL CAROUSEL ============ */
        .testimonial-carousel {
            position: relative;
            overflow: hidden;
            background: var(--dark-card);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            min-height: 260px;
        }
        .testimonial-slide {
            display: none;
            text-align: center;
            animation: fadeSlideIn 0.5s ease;
        }
        .testimonial-slide.active {
            display: block;
        }
        @keyframes fadeSlideIn {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .testimonial-quote-mark {
            font-size: 72px;
            color: var(--primary-red);
            line-height: 1;
            font-weight: 700;
            margin-bottom: -10px;
            opacity: 0.8;
        }
        .testimonial-text {
            font-size: 17px;
            color: var(--white);
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto 16px;
            font-style: italic;
        }
        .testimonial-author {
            font-size: 15px;
            font-weight: 600;
            color: var(--cyan-accent);
        }
        .testimonial-role {
            font-size: 13px;
            color: var(--gray-secondary);
        }
        .testimonial-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }
        .testimonial-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .testimonial-dot.active {
            background: var(--primary-red);
            box-shadow: 0 0 10px rgba(232, 49, 61, 0.5);
        }

        /* ============ FAQ ACCORDION ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--dark-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border-left: 3px solid transparent;
        }
        .faq-item.open {
            border-left-color: var(--primary-red);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--gray-secondary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-item.open .faq-question {
            color: var(--white);
            font-weight: 600;
        }
        .faq-arrow {
            flex-shrink: 0;
            font-size: 14px;
            transition: transform var(--transition-smooth);
            color: var(--gray-secondary);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--gray-secondary);
            line-height: 1.75;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            position: relative;
            background: radial-gradient(ellipse at center, rgba(45, 27, 61, 0.5) 0%, var(--bg-global) 70%);
            text-align: center;
            padding: var(--section-padding) 24px;
            overflow: hidden;
        }
        .cta-dots-bg {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 30px 30px;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section .section-h2 {
            font-size: 38px;
            margin-bottom: 12px;
        }
        .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--white);
            color: var(--primary-red);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            padding: 16px 40px;
            border-radius: var(--radius-pill);
            height: 54px;
            white-space: nowrap;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .btn-cta-primary:hover {
            color: var(--cyan-accent);
            box-shadow: 0 0 32px rgba(0, 242, 254, 0.5);
            transform: translateY(-3px);
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--white);
            font-size: 16px;
            font-weight: 500;
            letter-spacing: 0.5px;
            padding: 16px 40px;
            border-radius: var(--radius-pill);
            height: 54px;
            white-space: nowrap;
            border: 1.5px solid var(--border-white);
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .btn-cta-secondary:hover {
            border-color: var(--cyan-accent);
            color: var(--cyan-accent);
            box-shadow: 0 0 24px rgba(0, 242, 254, 0.25);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: rgba(13, 13, 26, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 50px 24px 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            max-width: var(--max-width);
            margin: 0 auto 30px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-col p,
        .footer-col a {
            font-size: 14px;
            color: var(--gray-secondary);
            line-height: 1.8;
            display: block;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--cyan-accent);
        }
        .footer-social-icons {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .footer-social-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--gray-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .footer-social-icon:hover {
            color: var(--cyan-accent);
            border-color: rgba(0, 242, 254, 0.4);
            background: rgba(0, 242, 254, 0.06);
        }
        .footer-bottom {
            text-align: center;
            font-size: 13px;
            color: rgba(176, 176, 192, 0.5);
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .footer-logo-text {
            font-size: 18px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-red) 30%, var(--white) 70%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
            margin-bottom: 8px;
            display: inline-block;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1023px) {
            :root {
                --section-padding: 70px;
                --nav-height: 64px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }
            .hero-h1 {
                font-size: 40px;
            }
            .hero-pain-point {
                max-width: 100%;
                margin: 0 auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-image-wrapper {
                max-width: 320px;
                margin: 0 auto;
            }
            .hero-image-glow img {
                aspect-ratio: 4/3;
            }
            .solution-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-areas: none;
            }
            .solution-grid .card-small-row {
                grid-template-columns: 1fr 1fr;
                grid-column: 1 / -1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-wrapper {
                flex-wrap: wrap;
                gap: 20px;
                justify-content: center;
            }
            .process-step {
                flex: 0 0 42%;
            }
            .process-connector {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-padding: 56px;
                --nav-height: 56px;
            }
            .site-header {
                display: none;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            .hero-section {
                min-height: auto;
                padding-top: 20px;
                padding-bottom: 60px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
                padding-top: 40px;
            }
            .hero-h1 {
                font-size: 32px;
            }
            .hero-pain-point {
                font-size: 15px;
                max-width: 100%;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 280px;
                font-size: 14px;
                height: 48px;
            }
            .hero-image-wrapper {
                max-width: 240px;
                margin: 0 auto;
            }
            .hero-image-glow img {
                aspect-ratio: 3/4;
            }
            .section-h2 {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .solution-grid .card-small-row {
                grid-template-columns: 1fr;
                gap: 16px;
                grid-column: 1;
            }
            .card {
                padding: 22px 18px;
            }
            .card h3 {
                font-size: 18px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 30px;
            }
            .case-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-wrapper {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            .process-step {
                flex: 1 1 auto;
                flex-direction: row;
                gap: 14px;
                text-align: left;
                width: 100%;
                max-width: 320px;
            }
            .process-step-circle {
                width: 44px;
                height: 44px;
                font-size: 17px;
                flex-shrink: 0;
            }
            .process-step-label {
                font-size: 14px;
            }
            .process-step-desc {
                font-size: 12px;
                max-width: none;
            }
            .testimonial-carousel {
                padding: 28px 16px;
                min-height: 220px;
            }
            .testimonial-text {
                font-size: 15px;
            }
            .cta-section .section-h2 {
                font-size: 28px;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                width: 100%;
                max-width: 280px;
                font-size: 15px;
                height: 50px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col {
                text-align: center;
            }
            .footer-social-icons {
                justify-content: center;
            }
            .nav-links {
                gap: 10px;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-h1 {
                font-size: 27px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .stat-number {
                font-size: 26px;
            }
            .stat-unit {
                font-size: 14px;
            }
            .section-h2 {
                font-size: 22px;
            }
        }