:root {

            --gradient-green: linear-gradient(135deg, #51CF66 0%, #4ECDC4 100%);
        }

        .hero {
            padding: 120px var(--space-sm) var(--space-xl);
            background: var(--gradient-main);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: backgroundMove 20s linear infinite;
        }

        @keyframes backgroundMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }

        .hero-container {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .security-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            color: var(--white);
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: var(--space-md);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .hero-title {
            font-size: clamp(32px, 6vw, 56px);
            font-weight: 800;
            line-height: 1.1;
            color: var(--white);
            margin-bottom: var(--space-md);
        }

        .hero-subtitle {
            font-size: clamp(16px, 3vw, 20px);
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: var(--space-lg);
        }

        .last-updated {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            padding: var(--space-sm) var(--space-md);
            border-radius: var(--radius-md);
            color: var(--white);
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .last-updated strong {
            font-weight: 700;
        }

        .guarantees {
            padding: var(--space-xl) var(--space-sm);
            background: var(--bg-light);
        }

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

        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-badge {
            display: inline-block;
            background: var(--gradient-green);
            color: var(--white);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }

        .section-title {
            font-size: clamp(28px, 5vw, 42px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: var(--space-sm);
        }

        .guarantees-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-md);
        }

        .guarantee-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            transition: var(--transition);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .guarantee-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-green);
            transform: scaleX(0);
            transition: var(--transition);
        }

        .guarantee-card:hover::before {
            transform: scaleX(1);
        }

        .guarantee-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(81, 207, 102, 0.2);
        }

        .guarantee-icon {
            width: 56px;
            height: 56px;
            background: var(--gradient-green);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 24px;
            margin-bottom: var(--space-sm);
        }

        .guarantee-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--dark);
        }

        .guarantee-text {
            font-size: 15px;
            line-height: 1.6;
            color: var(--gray);
        }

        .main-content {
            max-width: 900px;
            margin: 0 auto;
            padding: var(--space-xl) var(--space-sm);
        }

        .toc {
            background: var(--bg-light);
            padding: var(--space-lg);
            border-radius: var(--radius-lg);
            margin-bottom: var(--space-xl);
            border-left: 4px solid var(--purple);
        }

        .toc-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toc-list {
            list-style: none;
        }

        .toc-list li {
            margin: var(--space-xs) 0;
        }

        .toc-list a {
            color: var(--purple);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            display: inline-block;
        }

        .toc-list a:hover {
            color: var(--primary);
            padding-left: 8px;
        }

        .section {
            margin-bottom: var(--space-xl);
            scroll-margin-top: 80px;
        }

        .section-title-content {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: var(--space-md);
            color: var(--dark);
            padding-bottom: var(--space-sm);
            border-bottom: 3px solid var(--purple);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .subsection-title {
            font-size: 20px;
            font-weight: 700;
            margin: var(--space-md) 0 var(--space-sm);
            color: var(--dark);
        }

        .content-text {
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: var(--space-sm);
            color: var(--dark);
        }

        .content-text strong {
            color: var(--purple);
            font-weight: 700;
        }

        .content-list {
            margin: var(--space-sm) 0;
            padding-left: var(--space-lg);
        }

        .content-list li {
            margin: var(--space-xs) 0;
            font-size: 16px;
            line-height: 1.6;
        }

        .content-list li strong {
            color: var(--purple);
        }

        .highlight-box {
            background: linear-gradient(135deg, rgba(167, 139, 250, 0.1) 0%, rgba(244, 114, 182, 0.1) 100%);
            border: 2px solid rgba(167, 139, 250, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            margin: var(--space-md) 0;
        }

        .highlight-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: var(--purple);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .success-box {
            background: linear-gradient(135deg, rgba(81, 207, 102, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
            border: 2px solid rgba(81, 207, 102, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            margin: var(--space-md) 0;
        }

        .success-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: var(--success);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .success-box ul {
            list-style: none;
            padding-left: 0;
        }

        .success-box ul li {
            padding-left: 24px;
            position: relative;
            margin: var(--space-xs) 0;
        }

        .success-box ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success);
            font-weight: 700;
        }

        .warning-box {
            background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(255, 230, 109, 0.1) 100%);
            border: 2px solid rgba(255, 107, 107, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            margin: var(--space-md) 0;
        }

        .warning-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .warning-box ul {
            list-style: none;
            padding-left: 0;
        }

        .warning-box ul li {
            padding-left: 24px;
            position: relative;
            margin: var(--space-xs) 0;
        }

        .warning-box ul li::before {
            content: '×';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 700;
            font-size: 20px;
        }

        .technical-spec {
            background: var(--dark);
            color: var(--white);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            margin: var(--space-md) 0;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            line-height: 1.8;
            overflow-x: auto;
        }

        .contact-section {
            background: var(--gradient-ocean);
            padding: var(--space-xl) var(--space-sm);
            text-align: center;
            color: var(--white);
        }

        .contact-container {
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-title {
            font-size: clamp(28px, 5vw, 42px);
            font-weight: 800;
            margin-bottom: var(--space-sm);
        }

        .contact-text {
            font-size: 17px;
            line-height: 1.6;
            margin-bottom: var(--space-lg);
            opacity: 0.95;
        }

        .contact-info {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            padding: var(--space-lg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin: var(--space-sm) 0;
            font-size: 15px;
            font-weight: 500;
        }

        .contact-icon {
            font-size: 20px;
        }

        .footer {
            background: var(--dark);
            color: var(--white);
            padding: var(--space-xl) var(--space-sm) var(--space-md);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-section h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--gray-light);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray-light);
            font-size: 14px;
        }

        .footer-bottom a {
            color: var(--secondary);
            text-decoration: none;
        }

        /* ========================================
           MOBILE RESPONSIVE - EXPERIENCE AEREE
           ======================================== */

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: var(--space-md);
                gap: var(--space-sm);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
            }

            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .mobile-toggle {
                display: flex;
            }

            .hero {
                padding: 120px 24px 60px;
            }

            .hero-container {
                padding: 0;
            }

            .security-badge {
                font-size: 13px;
                padding: 8px 16px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .last-updated {
                font-size: 13px;
                padding: 10px 16px;
            }

            .guarantees {
                padding: 48px 24px;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .section-badge {
                font-size: 12px;
                padding: 5px 12px;
            }

            .section-title {
                font-size: 28px;
            }

            .guarantees-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .guarantee-card {
                padding: 24px;
            }

            .guarantee-icon {
                width: 48px;
                height: 48px;
                font-size: 20px;
            }

            .guarantee-title {
                font-size: 16px;
            }

            .guarantee-text {
                font-size: 14px;
            }

            .main-content {
                padding: 48px 24px;
            }

            .toc {
                padding: 24px;
                margin-bottom: 32px;
            }

            .toc-title {
                font-size: 18px;
            }

            .toc-list a {
                font-size: 14px;
            }

            .section-title-content {
                font-size: 22px;
                gap: 10px;
            }

            .subsection-title {
                font-size: 18px;
            }

            .content-text {
                font-size: 15px;
            }

            .content-list li {
                font-size: 15px;
            }

            .highlight-box,
            .success-box,
            .warning-box {
                padding: 16px;
            }

            .highlight-title,
            .success-title,
            .warning-title {
                font-size: 15px;
            }

            .technical-spec {
                padding: 16px;
                font-size: 13px;
            }

            .contact-section {
                padding: 48px 24px;
            }

            .contact-title {
                font-size: 28px;
            }

            .contact-text {
                font-size: 15px;
            }

            .contact-info {
                padding: 24px;
            }

            .contact-item {
                font-size: 14px;
            }

            .footer {
                padding: 48px 24px 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 32px;
            }

            .footer-section h4 {
                font-size: 15px;
            }

            .footer-links a {
                font-size: 13px;
            }

            .footer-bottom {
                font-size: 13px;
            }
        }

        /* Small phones */
        @media (max-width: 480px) {
            .hero {
                padding: 110px 16px 50px;
            }

            .hero-title {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .guarantees {
                padding: 40px 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .guarantee-card {
                padding: 20px 16px;
            }

            .main-content {
                padding: 40px 16px;
            }

            .toc {
                padding: 20px 16px;
            }

            .section-title-content {
                font-size: 20px;
            }

            .contact-section {
                padding: 40px 16px;
            }

            .contact-title {
                font-size: 24px;
            }

            .footer {
                padding: 40px 16px 24px;
            }
        }

        /* Touch devices */
        @media (hover: none) and (pointer: coarse) {
            .guarantee-card,
            .toc-list a,
            .contact-item {
                min-height: 48px;
            }
        }

        /* Landscape phones */
        @media (max-width: 768px) and (orientation: landscape) {
            .hero {
                padding: 100px 32px 40px;
            }

            .hero-title {
                font-size: 28px;
            }

            .guarantees-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
    </style>