/* === BASE STYLES === */:root {
            --primary: #E63946;
            --secondary: #1D3557;
            --accent: #F77F00;
            --dark: #14213D;
            --light: #F1FAEE;
            --gradient-1: linear-gradient(135deg, #E63946 0%, #A8201A 100%);
            --gradient-2: linear-gradient(135deg, #1D3557 0%, #457B9D 100%);
            --gradient-3: linear-gradient(135deg, #F77F00 0%, #FCBF49 100%);
            --shadow-sm: 0 2px 8px rgba(230, 57, 70, 0.15);
            --shadow-md: 0 8px 24px rgba(230, 57, 70, 0.2);
            --shadow-lg: 0 16px 48px rgba(230, 57, 70, 0.25);
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: var(--dark);
            background: var(--light);
            line-height: 1.7;
            overflow-x: hidden;
            width: 100%;
            max-width: 100%;
            box-sizing: border-box;
        }

        html {
            overflow-x: hidden;
            width: 100%;
            max-width: 100%;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            box-sizing: border-box;
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 4rem);
            color: var(--primary);
        }

        h2 {
            font-size: clamp(1.75rem, 4vw, 3rem);
            color: var(--secondary);
            margin-bottom: 2rem;
        }

        h3 {
            font-size: clamp(1.25rem, 3vw, 2rem);
            color: var(--dark);
        }

        h4 {
            font-size: clamp(1rem, 2vw, 1.5rem);
            color: var(--secondary);
        }

        p {
            margin-bottom: 1.25rem;
            font-size: clamp(0.95rem, 1.5vw, 1.1rem);
            color: var(--dark);
        }

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

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

        .btn-primary {
            display: inline-block;
            padding: 16px 40px;
            background: var(--gradient-1);
            color: white;
            font-weight: 700;
            font-size: 1.1rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-md);
            text-transform: uppercase;
            letter-spacing: 1px;
            min-height: 44px;
            min-width: 44px;
        }

        .btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            color: white;
        }

        .card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 2px solid transparent;
            height: 100%;
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .card img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin-bottom: 1rem;
        }

        section {
            padding: 80px 0;
            position: relative;
            width: 100%;
            box-sizing: border-box;
        }

        section:nth-child(even) {
            background: white;
        }

        table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 2rem 0;
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin: 2rem 0;
        }

        .table-responsive table {
            margin: 0;
        }

        table thead {
            background: var(--gradient-2);
            color: white;
        }

        table th,
        table td {
            padding: 18px 24px;
            text-align: left;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        table tbody tr {
            transition: var(--transition);
        }

        table tbody tr:hover {
            background: rgba(230, 57, 70, 0.05);
        }

        table tbody tr:last-child td {
            border-bottom: none;
        }

        ul, ol {
            margin: 1.5rem 0;
            padding-left: 2rem;
        }

        li {
            margin-bottom: 0.75rem;
            color: var(--dark);
        }

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

        /* === LAYOUT STYLES === */
        header {
            background: var(--gradient-2);
            padding: 20px 0;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
            box-sizing: border-box;
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

        .logo {
            display: block;
            text-decoration: none;
        }

        .logo img {
            height: 50px;
            width: auto;
            display: block;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            position: relative;
            min-height: 44px;
            display: flex;
            align-items: center;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: var(--accent);
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            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: white;
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(8px, -8px);
        }

        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 40px;
            width: 100%;
            box-sizing: border-box;
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            align-items: center;
            text-align: center;
        }

        .footer-links {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            color: white;
            font-weight: 600;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-info {
            color: white;
        }

        .footer-info p {
            margin-bottom: 0.5rem;
            opacity: 0.8;
            color: white;
        }

@media (max-width: 768px) {
            header {
                position: relative;
            }

            header .container {
                flex-wrap: wrap;
                padding: 0 15px;
            }

            .logo {
                order: 1;
            }

            .logo img {
                height: 40px;
            }

            nav {
                order: 2;
                margin-left: auto;
            }

            .hamburger {
                display: flex;
            }

            .nav-menu {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
                gap: 0;
                background: var(--gradient-2);
                box-shadow: var(--shadow-md);
                z-index: 1000;
            }

            .nav-menu.active {
                max-height: 500px;
                padding: 1rem 0;
            }

            .nav-menu li {
                width: 100%;
            }

            .nav-menu a {
                display: flex;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                min-height: 44px;
                align-items: center;
            }

            header .btn-primary {
                order: 3;
                width: 100%;
                text-align: center;
                margin-top: 1rem;
                min-height: 44px;
            }

            section {
                padding: 60px 0;
            }

            .cards-grid-2,
            .cards-grid-3 {
                grid-template-columns: 1fr;
            }

            .highlight-boxes {
                grid-template-columns: 1fr;
            }

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

            table {
                font-size: 0.9rem;
            }

            table th,
            table td {
                padding: 12px 16px;
            }

            .comparison-table,
            .feature-table,
            .verification-table,
            .table {
                display: block;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                width: 100%;
            }

            .table-responsive {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .footer-links {
                flex-direction: column;
                gap: 1rem;
            }

            .footer-links a {
                min-height: 44px;
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (max-width: 430px) {
            .container {
                padding: 0 15px;
            }

            header .container {
                padding: 0 10px;
            }

            .logo img {
                height: 35px;
            }

            h1 {
                font-size: 1.75rem;
            }

            h2 {
                font-size: 1.5rem;
            }

            h3 {
                font-size: 1.25rem;
            }

            .btn-primary {
                padding: 14px 24px;
                font-size: 1rem;
                min-height: 44px;
            }

            section {
                padding: 40px 0;
            }

            .card {
                padding: 1.5rem;
            }

            table {
                font-size: 0.85rem;
            }

            table th,
            table td {
                padding: 10px 12px;
            }
        }

        @media (max-width: 320px) {
            .container {
                padding: 0 10px;
            }

            header .container {
                padding: 0 8px;
            }

            .logo img {
                height: 30px;
            }

            h1 {
                font-size: 1.5rem;
            }

            h2 {
                font-size: 1.25rem;
            }

            .btn-primary {
                padding: 12px 20px;
                font-size: 0.95rem;
            }

            section {
                padding: 30px 0;
            }

            .card {
                padding: 1rem;
            }
        }