/* === BASE STYLES === */:root {
            --primary: #FF2D55;
            --secondary: #0A84FF;
            --accent: #FFD60A;
            --dark: #0D1117;
            --light: #F6F8FA;
            --gray: #6E7681;
            --gradient-start: #FF2D55;
            --gradient-end: #0A84FF;
            --card-bg: rgba(255, 255, 255, 0.03);
            --card-border: rgba(255, 255, 255, 0.08);
        }

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

        html, body {
            overflow-x: hidden;
            max-width: 100vw;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--light);
            background: var(--dark);
            background-image: 
                radial-gradient(circle at 20% 10%, rgba(255, 45, 85, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 90%, rgba(10, 132, 255, 0.08) 0%, transparent 50%);
            background-attachment: fixed;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            color: var(--light);
        }

        h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            color: var(--light);
        }

        p {
            margin-bottom: 1.25rem;
            color: rgba(246, 248, 250, 0.85);
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }

        li {
            margin-bottom: 0.75rem;
            color: rgba(246, 248, 250, 0.85);
        }

        .btn {
            display: inline-block;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            text-align: center;
            text-decoration: none;
            border-radius: 12px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            min-width: 44px;
            min-height: 44px;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .btn-primary {
            padding: 0.75rem 2rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 8px 24px rgba(255, 45, 85, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 45, 85, 0.5);
            color: white;
        }

        .cta-button {
            position: relative;
            z-index: 1;
        }

        .card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 2rem;
            transition: all 0.4s ease;
            height: auto;
        }

        .card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 16px 48px rgba(255, 45, 85, 0.2);
        }

        .content-image {
            max-width: 100%;
            margin: 2rem auto;
            text-align: center;
        }

        .content-image img {
            max-width: 100%;
            height: auto;
            max-height: 400px;
            object-fit: contain;
            border-radius: 12px;
            border: 1px solid var(--card-border);
        }

        .content-image.portrait img {
            max-height: 350px;
            max-width: 300px;
        }

        .content-image.wide img {
            max-height: 300px;
            max-width: 100%;
        }

        .content-image figcaption {
            margin-top: 1rem;
            font-size: 0.9rem;
            opacity: 0.7;
            color: var(--gray);
        }

        .table-responsive {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin: 2rem 0;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            overflow: hidden;
        }

        thead {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }

        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--card-border);
            color: var(--light);
        }

        tbody tr:hover {
            background: rgba(255, 45, 85, 0.05);
        }

        section {
            padding: 5rem 0;
            position: relative;
        }

        /* === LAYOUT STYLES === */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--card-border);
            padding: 1rem 0;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.1rem;
        }

        .logo img {
            max-height: 50px;
            height: auto;
            width: auto;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            min-width: 44px;
            min-height: 44px;
            justify-content: center;
            align-items: center;
        }

        .hamburger span {
            width: 28px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        header nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            margin: 0;
            padding: 0;
            align-items: center;
        }

        header nav a {
            color: var(--light);
            font-weight: 500;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

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

        header .cta-button {
            max-width: 200px;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden;
        }

        footer {
            background: rgba(13, 17, 23, 0.98);
            border-top: 1px solid var(--card-border);
            padding: 3rem 0 1.5rem;
            margin-top: 5rem;
        }

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

        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
        }

        .footer-section li {
            margin-bottom: 0.5rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--card-border);
            color: var(--gray);
        }

        @media (max-width: 767px) {
            header .container {
                flex-wrap: wrap;
            }

            .logo {
            }

            .hamburger {
                display: flex;
            }

            header nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
            }

            header nav.active {
                max-height: 500px;
            }

            header nav ul {
                flex-direction: column;
                gap: 0;
                padding: 1rem 0;
            }

            header nav li {
                width: 100%;
                text-align: center;
                padding: 0.75rem 0;
                border-bottom: 1px solid var(--card-border);
            }

            header .cta-button {
                width: 100%;
                max-width: 100%;
                margin-top: 1rem;
            }
        }

@media (max-width: 767px) {
            section {
                padding: 3rem 0;
            }

            .hero-section {
                padding: 5rem 0 3rem;
            }

            h1 {
                font-size: 2.2rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            h3 {
                font-size: 1.4rem;
            }

            .hero-description {
                font-size: 1rem;
            }

            .btn {
                padding: 14px 30px;
                font-size: 1rem;
            }

            .table-of-contents {
                margin: -2rem auto 3rem;
                padding: 1.5rem;
            }

            .timeline-item {
                padding-left: 1.5rem;
            }

            .feature-block {
                padding: 1.5rem;
            }

            .cards-grid-2 .container {
                grid-template-columns: 1fr;
            }

            .highlight-box {
                padding: 1.5rem;
            }

            .cta-section {
                padding: 3rem 1.5rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }