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

:root {
    --blue-light: #00D4FF;
    --blue-medium: #0066FF;
    --blue-dark: #0A1128;
    --blue-darker: #050814;
    --white: #FFFFFF;
    --gray-light: #F8FAFC;
    --gray-medium: #94A3B8;
    --green: #10B981;
    --purple: #8B5CF6;
    --orange: #F59E0B;
    --red: #EF4444;
    --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.2);
    --shadow-xl: 0 12px 48px rgba(0, 212, 255, 0.25);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--blue-darker);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at top, var(--blue-dark) 0%, var(--blue-darker) 50%, #000 100%);
}

.particles-bg canvas {
    position: absolute;
    top: 0;
    left: 0;
}

section {
    position: relative;
    z-index: 1;
    padding: 80px 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, rgba(10, 17, 40, 0.8) 0%, rgba(5, 8, 20, 0.95) 100%);
}

.hero-logo {
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--white);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title .highlight {
    color: var(--blue-light);
    position: relative;
    display: inline-block;
    -webkit-text-fill-color: var(--blue-light);
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-light), var(--blue-medium));
    border-radius: 2px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--gray-medium);
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-medium) 100%);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--white) 0%, var(--blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-medium);
    margin-bottom: 60px;
}

.problem {
    background: linear-gradient(180deg, rgba(5, 8, 20, 0.95) 0%, rgba(10, 17, 40, 0.8) 100%);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.problem-card {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(30px);
}

.problem-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(239, 68, 68, 0.4);
}

.problem-icon {
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--white);
}

.problem-card p {
    color: var(--gray-medium);
    line-height: 1.6;
}

.solution {
    background: linear-gradient(180deg, rgba(10, 17, 40, 0.8) 0%, rgba(5, 8, 20, 0.95) 100%);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.solution-card {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(30px);
}

.solution-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.solution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.1);
}

.solution-icon.blue { color: var(--blue-light); }
.solution-icon.cyan { color: #06B6D4; }
.solution-icon.purple { color: var(--purple); }
.solution-icon.green { color: var(--green); }
.solution-icon.orange { color: var(--orange); }
.solution-icon.red { color: var(--red); }

.solution-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--white);
}

.solution-card p {
    color: var(--gray-medium);
    line-height: 1.7;
}

.plans {
    background: linear-gradient(180deg, rgba(5, 8, 20, 0.95) 0%, rgba(10, 17, 40, 0.9) 100%);
    padding: 100px 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.plan-card {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 30px;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.plan-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue-light), var(--blue-medium));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.plan-card.individual::before { background: linear-gradient(90deg, var(--blue-light), var(--blue-medium)); }
.plan-card.couple::before { background: linear-gradient(90deg, var(--green), #059669); }
.plan-card.family::before { background: linear-gradient(90deg, var(--purple), #7C3AED); }
.plan-card.big-family::before { background: linear-gradient(90deg, var(--orange), #F59E0B); }

.plan-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 212, 255, 0.3);
}

.plan-card:hover::before {
    opacity: 1;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
}

.plan-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.1);
}

.plan-card.individual .plan-icon { color: var(--blue-light); }
.plan-card.couple .plan-icon { color: var(--green); }
.plan-card.family .plan-icon { color: var(--purple); }
.plan-card.big-family .plan-icon { color: var(--orange); }

.plan-header h3 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--white);
}

.plan-users {
    color: var(--gray-medium);
    font-size: 0.95rem;
}

.plan-prices {
    margin-bottom: 30px;
}

.price-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    margin-bottom: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
}

.price-option:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 212, 255, 0.3);
}

.price-option.featured {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(0, 102, 255, 0.1) 100%);
    border: 2px solid rgba(0, 212, 255, 0.4);
}

.price-option .badge {
    position: absolute;
    top: -10px;
    right: 10px;
    background: linear-gradient(135deg, var(--blue-light), var(--blue-medium));
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.duration {
    font-weight: 600;
    color: var(--white);
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--blue-light);
}

.economy {
    font-size: 0.85rem;
    color: var(--green);
    margin-left: auto;
    padding-left: 12px;
}

.plan-features {
    margin-bottom: 30px;
}

.plan-features .feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--gray-medium);
    font-size: 0.95rem;
}

.btn-plan {
    width: 100%;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 102, 255, 0.2) 100%);
    color: var(--blue-light);
    border: 2px solid var(--blue-light);
}

.btn-plan:hover {
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-medium) 100%);
    color: var(--white);
}

.plan-card.couple .btn-plan { border-color: var(--green); color: var(--green); }
.plan-card.couple .btn-plan:hover { background: linear-gradient(135deg, var(--green) 0%, #059669 100%); color: var(--white); }

.plan-card.family .btn-plan { border-color: var(--purple); color: var(--purple); }
.plan-card.family .btn-plan:hover { background: linear-gradient(135deg, var(--purple) 0%, #7C3AED 100%); color: var(--white); }

.plan-card.big-family .btn-plan { border-color: var(--orange); color: var(--orange); }
.plan-card.big-family .btn-plan:hover { background: linear-gradient(135deg, var(--orange) 0%, #D97706 100%); color: var(--white); }

.referral {
    background: linear-gradient(180deg, rgba(10, 17, 40, 0.9) 0%, rgba(5, 8, 20, 0.95) 100%);
    padding: 100px 0;
}

.referral-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 32px;
    padding: 60px 40px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease;
}

.referral-card.visible {
    opacity: 1;
    transform: scale(1);
}

.referral-icon {
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.referral-card h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 20px;
    color: var(--white);
}

.referral-card .highlight {
    color: var(--blue-light);
    font-weight: 800;
}

.referral-card p {
    font-size: 1.1rem;
    color: var(--gray-medium);
    margin-bottom: 30px;
    line-height: 1.7;
}

.testimonials {
    background: linear-gradient(180deg, rgba(5, 8, 20, 0.95) 0%, rgba(10, 17, 40, 0.9) 100%);
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.3);
}

.quote-icon {
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--white);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 4px;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--gray-medium);
}

.footer {
    background: rgba(5, 8, 20, 0.98);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-cta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.3);
    border-radius: 12px;
    color: #25D366;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-whatsapp:hover {
    background: rgba(37, 211, 102, 0.2);
    transform: translateY(-2px);
}

.btn-footer {
    background: rgba(0, 212, 255, 0.1);
    color: var(--blue-light);
    border: 2px solid var(--blue-light);
}

.btn-footer:hover {
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-medium) 100%);
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6); }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-features {
        flex-direction: column;
        align-items: stretch;
    }

    .feature-badge {
        justify-content: center;
    }

    .problem-grid,
    .solution-grid,
    .plans-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-cta {
        flex-direction: column;
        width: 100%;
    }

    .footer-whatsapp,
    .btn-footer {
        width: 100%;
        justify-content: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .plan-prices {
        font-size: 0.9rem;
    }

    .price {
        font-size: 1.1rem;
    }

    .economy {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .btn {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .problem-card,
    .solution-card,
    .plan-card,
    .testimonial-card {
        padding: 30px 20px;
    }

    .referral-card {
        padding: 40px 24px;
    }
}