:root {
            --primary: #00b894;
            --primary-gradient: linear-gradient(135deg, #00e676 0%, #00b894 100%);
            --primary-light: rgba(0, 184, 148, 0.1);
            --primary-glow: rgba(0, 184, 148, 0.25);

            --ink: #0f172a;
            --muted: #64748b;
            --line: #e2e8f0;
            --paper: #ffffff;
            --canvas: #f8fafc;
            --code-bg: #050810;
            --code-txt: #e2e8f0;

            --radius-pill: 999px;
            --radius-card: 20px;
            --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 20px 40px rgba(0, 184, 148, 0.15);
            --font-stack: 'Plus Jakarta Sans', system-ui, sans-serif;
        }

        [data-theme="dark"] {
            --ink: #f8fafc;
            --muted: #94a3b8;
            --line: rgba(255, 255, 255, 0.1);
            --paper: #131c31;
            --canvas: #090d16;
            --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.6;
            color: var(--ink);
            background-color: var(--canvas);
            -webkit-font-smoothing: antialiased;
            transition: background-color 0.3s ease, color 0.3s ease;
            overflow-x: hidden;
            padding-bottom: env(safe-area-inset-bottom);
        }

        a {
            color: var(--primary);
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .icon {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            fill: none;
            display: inline-block;
            vertical-align: middle;
            flex-shrink: 0;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--paper);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            padding: 14px 0;
            transition: background 0.3s ease;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--ink);
            text-decoration: none !important;
        }

        .brand-logo img {
            height: 34px;
            width: auto;
            display: block;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-links a {
            color: var(--muted);
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .theme-toggle {
            background: var(--paper);
            border: 1px solid var(--line);
            color: var(--ink);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .theme-toggle:hover {
            background: var(--primary-light);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: all 0.2s ease;
            cursor: pointer;
            border: none;
            text-decoration: none !important;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #050810;
            box-shadow: 0 6px 20px var(--primary-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            opacity: 0.95;
            color: #050810;
        }

        .btn-outline {
            border: 1.5px solid var(--line);
            color: var(--ink);
            background-color: transparent;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 16px;
        }

        .hero {
            padding: 60px 0 80px;
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            line-height: 1.15;
            color: var(--ink);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .hero-text h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-text p {
            font-size: 1.02rem;
            color: var(--muted);
            margin-bottom: 24px;
            max-width: 460px;
        }

        .hero-cta {
            display: flex;
            gap: 12px;
        }

        .hero-card-wrap {
            position: relative;
            animation: floatCard 5s ease-in-out infinite;
        }

        .hero-visual-card {
            background: var(--paper);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--line);
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 14px;
        }

        .stat-box {
            background: var(--canvas);
            padding: 14px;
            border-radius: 12px;
            border: 1px solid var(--line);
        }

        .stat-box span {
            font-size: 0.7rem;
            color: var(--muted);
            font-weight: 700;
            text-transform: uppercase;
        }

        .stat-box strong {
            font-size: 1.15rem;
            color: var(--ink);
            font-weight: 800;
            display: block;
            margin-top: 2px;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulseDot 2s infinite;
        }

        @keyframes floatCard {

            0%,
            100% {
                transform: translateY(0px);
            }

            50% {
                transform: translateY(-8px);
            }
        }

        @keyframes pulseDot {
            0% {
                transform: scale(0.95);
                box-shadow: 0 0 0 0 rgba(0, 184, 148, 0.7);
            }

            70% {
                transform: scale(1);
                box-shadow: 0 0 0 6px rgba(0, 184, 148, 0);
            }

            100% {
                transform: scale(0.95);
                box-shadow: 0 0 0 0 rgba(0, 184, 148, 0);
            }
        }

        section {
            padding: 70px 0;
            border-top: 1px solid var(--line);
        }

        .section-title {
            text-align: center;
            max-width: 560px;
            margin: 0 auto 40px;
        }

        .section-title h2 {
            font-size: 1.8rem;
            color: var(--ink);
            margin-bottom: 8px;
            font-weight: 800;
        }

        .section-title p {
            color: var(--muted);
            font-size: 0.95rem;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .feature-card {
            background: var(--paper);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--line);
            transition: transform 0.2s;
        }

        .feature-card:hover {
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }

        .feature-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            font-weight: 700;
            color: var(--ink);
        }

        .feature-card p {
            font-size: 0.85rem;
            color: var(--muted);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .step-card {
            background: var(--paper);
            padding: 24px 20px;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-soft);
        }

        .step-num {
            width: 32px;
            height: 32px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 0.85rem;
        }

        .step-card h3 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--ink);
            font-weight: 700;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--muted);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(280px, 360px));
            justify-content: center;
            gap: 24px;
        }

        .price-card {
            background: var(--paper);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--line);
        }

        .price-card.featured {
            border: 2px solid var(--primary);
            position: relative;
        }

        .price-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .price-card .price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ink);
            margin: 16px 0 20px;
        }

        .price-card .price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--muted);
        }

        .price-features {
            list-style: none;
            margin-bottom: 24px;
            font-size: 0.88rem;
        }

        .price-features li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--line);
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-features li.off {
            opacity: 0.35;
            text-decoration: line-through;
        }

        .api-box {
            background: var(--paper);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
        }

        .api-info {
            padding: 36px;
        }

        .api-code {
            background: var(--code-bg);
            color: var(--code-txt);
            padding: 24px;
            font-family: ui-monospace, monospace;
            font-size: 0.8rem;
            overflow-x: auto;
        }

        pre {
            white-space: pre-wrap;
            word-break: break-all;
        }

        .faq-wrap {
            max-width: 700px;
            margin: 0 auto;
        }

        details {
            background: var(--paper);
            border-radius: 12px;
            margin-bottom: 10px;
            padding: 14px 18px;
            border: 1px solid var(--line);
        }

        summary {
            font-weight: 700;
            cursor: pointer;
            font-size: 0.95rem;
            color: var(--ink);
        }

        details p {
            margin-top: 8px;
            font-size: 0.85rem;
            color: var(--muted);
        }

        .cta-banner {
            background: var(--primary-gradient);
            border-radius: var(--radius-card);
            padding: 40px 24px;
            text-align: center;
            color: #050810;
            box-shadow: 0 15px 30px var(--primary-glow);
        }

        .cta-banner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-banner p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 20px;
        }

        footer {
            background: var(--paper);
            border-top: 1px solid var(--line);
            padding: 40px 0 30px;
            font-size: 0.85rem;
            color: var(--muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            color: var(--ink);
            font-size: 0.9rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

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

        .footer-col li {
            margin-bottom: 6px;
        }

        .footer-col a {
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 16px;
            text-align: center;
        }

        .bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--paper);
            border-top: 1px solid var(--line);
            z-index: 1000;
            padding: 10px 0;
            justify-content: space-around;
            align-items: center;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
        }

        .bottom-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--muted);
            text-decoration: none;
        }

        .bottom-nav-item .icon {
            width: 20px;
            height: 20px;
        }

        .bottom-nav-item:hover,
        .bottom-nav-item.active {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .bottom-nav {
                display: flex;
            }

            body {
                padding-bottom: 70px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-text p {
                margin: 0 auto 24px;
            }

            .hero-cta {
                justify-content: center;
            }

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

            .api-box {
                grid-template-columns: 1fr;
            }

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

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

        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .hero-cta {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }

            .nav-actions .btn {
                width: auto;
            }
        }