:root {
    --bg: #0b1117;
    --bg-alt: #0f1621;
    --surface: #151d2b;
    --surface-strong: #1c2638;
    --text: #eef3f8;
    --muted: #b8c2d3;
    --accent: #00d2ff;
    --accent-strong: #00a2c7;
    --coral: #ff7b54;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 20px 50px rgba(6, 10, 18, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    background: radial-gradient(circle at top, rgba(0, 210, 255, 0.12), transparent 45%), var(--bg);
    color: var(--text);
    font-family: "Manrope", sans-serif;
    margin: 0;
    padding-top: 84px;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    color: inherit;
}

h1, h2, h3, h4, h5 {
    font-family: "Sora", sans-serif;
    color: var(--text);
}

.navbar {
    background: rgba(10, 16, 24, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.navbar-brand span {
    margin-left: 12px;
    font-weight: 600;
}

.navbar-nav .nav-link {
    color: var(--muted) !important;
    font-weight: 500;
    margin-right: 12px;
}

.navbar-nav .nav-link:hover {
    color: var(--text) !important;
}

.nav-cta .btn {
    margin-left: 8px;
}

.container {
    max-width: 1140px;
}

.btn {
    border-radius: 999px;
    padding: 12px 26px;
    font-weight: 600;
    border: none;
}

.btn-primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    color: #08131b;
    box-shadow: 0 12px 30px rgba(0, 210, 255, 0.2);
}

.btn-primary:hover {
    color: #08131b;
    transform: translateY(-1px);
}

.btn-ghost {
    border: 1px solid var(--border);
    color: var(--text);
    background: transparent;
}

.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.hero {
    padding: 80px 0 40px;
}

.hero-micro {
    color: var(--muted);
    font-size: 0.95rem;
    margin: -8px 0 18px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
}

.lead {
    color: var(--muted);
    font-size: 1.1rem;
    margin: 20px 0 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-highlights {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.highlight {
    display: flex;
    gap: 10px;
    align-items: center;
    background: var(--surface);
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-weight: 500;
}

.hero-media {
    position: relative;
}

.speed-card {
    background: radial-gradient(circle at top, rgba(0, 210, 255, 0.2), transparent 60%), var(--surface);
    border-radius: 24px;
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.speed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    color: var(--muted);
    font-weight: 600;
}

.speed-header strong {
    color: var(--text);
}

.speed-display {
    text-align: center;
}

.speed-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text);
}

.speed-unit {
    font-size: 1rem;
    color: var(--muted);
    margin-left: 6px;
}

.speed-meter {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
    margin: 18px 0 10px;
}

.speed-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--coral));
    border-radius: 999px;
    transition: width 0.3s ease;
}

.speed-note {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

.speed-legend {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 16px;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(0);
    opacity: 0.9;
}

.orb-blue {
    width: 160px;
    height: 160px;
    background: rgba(0, 210, 255, 0.35);
    top: -30px;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.orb-coral {
    width: 120px;
    height: 120px;
    background: rgba(255, 123, 84, 0.35);
    bottom: -30px;
    left: 5%;
    animation: float 7s ease-in-out infinite;
}

.trust {
    padding: 30px 0 60px;
}

.trust-grid {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 30px;
}

.trust-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.trust-card {
    background: var(--surface);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.planos {
    padding: 60px 0;
    background: var(--bg-alt);
}

.section-header p {
    color: var(--muted);
    max-width: 680px;
    margin: 0 auto;
}

.plan-card {
    background: var(--surface);
    border-radius: 20px;
    padding: 26px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.plan-card.featured {
    border: 1px solid rgba(0, 210, 255, 0.4);
    position: relative;
}

.plan-card .badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 210, 255, 0.15);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.plan-top h3 {
    margin-bottom: 6px;
}

.plan-top span {
    color: var(--muted);
    font-weight: 500;
}

.plan-list {
    margin: 20px 0 24px;
    padding-left: 18px;
    color: var(--muted);
}

.plan-list i {
    color: var(--accent);
    margin-right: 8px;
}

.plan-price {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 18px;
}

.plan-card .btn {
    margin-top: auto;
}

.coverage {
    padding: 60px 0;
}

.addon {
    padding: 40px 0 10px;
}

.addon-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px 28px;
    box-shadow: var(--shadow);
}

.addon-card h2 {
    margin-bottom: 8px;
}

.addon-card p {
    color: var(--muted);
    margin: 0;
}

.addon-price {
    text-align: right;
    font-weight: 700;
    color: var(--text);
}

.addon-price span {
    font-size: 1.6rem;
    display: block;
}

.addon-price small {
    color: var(--muted);
    font-weight: 500;
}

.coverage-card {
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.16), rgba(255, 123, 84, 0.12));
    border-radius: 24px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border: 1px solid var(--border);
}

.coverage-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.coverage-actions .btn {
    flex: 1 1 0;
    text-align: center;
}

.about {
    padding: 60px 0;
    background: var(--bg-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
    align-items: center;
}

.about-stats {
    display: grid;
    gap: 16px;
}

.about-stats div {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
}

.about-stats strong {
    display: block;
    margin-bottom: 6px;
}

.contact {
    padding: 60px 0;
}

.contact-box {
    background: var(--surface);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border);
    height: 100%;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contact-box i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 12px;
}

.contact-link:hover i {
    color: var(--coral);
}

footer {
    background: #0a0f16;
    border-top: 1px solid var(--border);
    padding: 30px 0;
}

.faq {
    padding: 60px 0;
    background: var(--bg-alt);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
    align-items: start;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px 20px;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    align-self: start;
    min-height: 140px;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.2rem;
    color: var(--accent);
    transition: transform 0.25s ease, color 0.25s ease;
}

.faq-item[open] {
    border-color: rgba(0, 210, 255, 0.4);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
}

.faq-item[open] summary::after {
    content: "–";
    color: var(--coral);
}

.faq-item p {
    margin: 12px 0 0;
    color: var(--muted);
    animation: faqFade 0.25s ease;
}

@keyframes faqFade {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.whatsapp-fab {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #25d366;
    color: #0b1117;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    z-index: 1200;
}

.whatsapp-fab i {
    font-size: 1.6rem;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

@media (max-width: 992px) {
    .hero-grid,
    .trust-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

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

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

    .coverage-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .addon-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-media {
        order: -1;
        margin-bottom: 18px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 76px;
    }

    .hero {
        padding-top: 40px;
    }

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

    .hero-highlights {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar-brand span {
        font-size: 0.95rem;
    }

    .navbar-brand img {
        width: 56px;
        height: 56px;
    }

    .navbar-nav .nav-link {
        margin-right: 0;
        padding: 10px 0;
    }

    .nav-cta .btn {
        width: 100%;
        margin: 8px 0 0;
    }

    .hero-grid {
        gap: 24px;
    }

    .speed-card {
        padding: 22px;
    }

    .speed-number {
        font-size: 2.4rem;
    }

    .hero h1 {
        font-size: 1.9rem;
        line-height: 1.2;
    }

    .lead {
        font-size: 1rem;
    }

    .trust {
        padding: 20px 0 40px;
    }

    .trust-card,
    .plan-card,
    .contact-box,
    .about-stats div {
        padding: 20px;
    }

    .planos {
        padding: 40px 0;
    }

    .plan-price {
        font-size: 1.1rem;
    }

    .coverage {
        padding: 40px 0;
    }

    .coverage-card {
        padding: 24px;
    }

    .coverage-actions {
        width: 100%;
    }

    .coverage-actions .btn {
        width: 100%;
    }

    .about {
        padding: 40px 0;
    }

    .contact {
        padding: 40px 0;
    }

    .footer-grid {
        flex-direction: column;
        align-items: flex-start;
    }

    .whatsapp-fab {
        right: 16px;
        bottom: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}