* {
    box-sizing: border-box;
}

:root {
    --primary: #16a34a;
    --primary-dark: #15803d;
    --accent: #22c55e;
    --text: #1f2937;
    --light: #f8fafc;
    --gray: #64748b;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --radius: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    margin: 0;
    background: #f8fafc;
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1240px;
    margin: auto;
    padding: 0 20px;
}

/* ================= HEADER ================= */
.topbar {
    background: #ffffff !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
}

.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    gap: 16px;
    flex-wrap: nowrap;
}

.logo {
    font-weight: 800;
    font-size: 26px;
    color: #111827;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.top-trust {
    display: flex;
    gap: 18px;
    font-size: 13.5px;
    font-weight: 600;
    color: #15803d;
    flex-wrap: nowrap;
}

.top-trust span {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.top-trust span i {
    margin-right: 6px;
    font-size: 16px;
}

.top-buy {
    background: var(--primary);
    color: white;
    padding: 11px 22px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    white-space: nowrap;
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.3);
    transition: all 0.3s;
}

.top-buy:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ================= HERO ================= */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%);
    color: white;
    padding: 100px 0 90px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 1200 600%27%3E%3Ccircle cx=%27100%27 cy=%27100%27 r=%2780%27 fill=%27%23ffffff%27 opacity=%270.04%27/%3E%3Ccircle cx=%271100%27 cy=%27480%27 r=%27120%27 fill=%27%23ffffff%27 opacity=%270.04%27/%3E%3C/svg%27') no-repeat;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(38px, 5.5vw, 58px);
    line-height: 1.15;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -1.2px;
}

.sub {
    font-size: clamp(18px, 3vw, 21px);
    opacity: 0.95;
    margin-bottom: 28px;
}

.hero-benefits {
    list-style: none;
    padding: 0;
    margin-bottom: 32px;
}

.hero-benefits li {
    font-size: 17.5px;
    margin: 13px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.hero-benefits i {
    color: var(--accent);
    font-size: 22px;
}

.hero-proof {
    background: rgba(255,255,255,0.12);
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 15.5px;
    font-weight: 700;
    backdrop-filter: blur(8px);
}

.hero-video video {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
    border: 8px solid rgba(255,255,255,0.15);
}

/* ================= BOTÕES GERAIS ================= */
.btn-main, .btn-big {
    background: var(--accent);
    color: white;
    padding: 18px 34px;
    font-size: 19px;
    border-radius: 12px;
    text-decoration: none;
    display: inline-block;
    font-weight: 700;
    box-shadow: 0 15px 35px rgba(34, 197, 94, 0.35);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-main:hover, .btn-big:hover {
    background: #16a34a;
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 20px 45px rgba(22, 163, 74, 0.4);
}

/* ================= SECTIONS GERAIS ================= */
section {
    padding: 95px 0;
}

h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: clamp(28px, 4.5vw, 38px);
    font-weight: 800;
    color: #0f172a;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 4px;
}

/* ================= BENEFITS ================= */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.benefit {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid #f1f5f9;
}

.benefit:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.12);
}

.benefit i {
    font-size: 38px;
    color: var(--primary);
    margin-bottom: 14px;
    display: block;
}

/* ================= GALLERY ================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.gallery-grid img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

.gallery-grid img:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 30px 65px rgba(0, 0, 0, 0.18);
}

/* ================= INSTALL ================= */
.highlight-section {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
}

.install-sub {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 42px;
    font-size: 18px;
    color: #475569;
}

.install-timer {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin: 22px 0 50px;
    animation: pulse 2.2s infinite;
    text-shadow: 0 3px 10px rgba(22, 163, 74, 0.25);
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.install-card {
    background: white;
    padding: 36px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s;
}

.install-card:hover {
    transform: scale(1.03);
}

.install-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 24px;
    margin: 0 auto 18px;
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.3);
}

/* ================= REVIEWS ================= */
.reviews-sub {
    text-align: center;
    margin: -20px auto 46px;
    color: #64748b;
    font-size: 17px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 26px;
}

.review {
    background: white;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s;
}

.review:hover {
    transform: translateY(-8px);
}

.stars {
    font-size: 26px;
    color: #f59e0b;
    margin-bottom: 14px;
}

/* ================= CTA ================= */
.cta {
    background: linear-gradient(135deg, #0f172a, #1e2937);
    color: white;
    text-align: center;
    padding: 110px 20px;
}

.cta-sub {
    max-width: 620px;
    margin: 0 auto 28px;
    font-size: 19px;
    opacity: 0.9;
}

.guarantee {
    margin-top: 22px;
    opacity: 0.85;
    font-size: 16px;
}

.stock-warning {
    margin-top: 26px;
    color: #ef4444;
    font-weight: 700;
    font-size: 19px;
    animation: pulse 2s infinite;
}

/* ================= FAQ ================= */
.faq-grid {
    max-width: 780px;
    margin: auto;
}

.faq details {
    background: white;
    margin: 14px 0;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid #f1f5f9;
    overflow: hidden;
    transition: all 0.3s;
}

.faq details[open] {
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.1);
}

.faq summary {
    font-weight: 700;
    padding: 22px 28px;
    font-size: 17px;
    cursor: pointer;
    background: #f8fafc;
    transition: all 0.3s;
}

.faq summary:hover {
    background: #f1f5f9;
}

.faq p {
    padding: 0 28px 26px;
    color: #64748b;
}

/* ================= FOOTER ================= */
.footer {
    background: #0f172a;
    color: #cbd5e1;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding: 70px 0 40px;
}

.footer-brand h3 {
    font-size: 28px;
    margin-bottom: 12px;
    color: white;
}

.payment-methods img {
    height: 48px;
    margin-top: 16px;
}

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

.footer-links li {
    margin: 11px 0;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: 0.3s;
}

.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

.footer-contact p {
    margin: 9px 0;
}

.footer-bottom {
    text-align: center;
    padding: 22px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13.5px;
    opacity: 0.7;
}

/* ================= ANIMAÇÕES ================= */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}

/* ================= MOBILE HEADER (AGORA PERFEITO) ================= */
@media (max-width: 900px) {
    .topbar-content {
        padding: 14px 0;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .top-trust {
        gap: 14px;
        font-size: 12.5px;
    }
    
    .top-buy {
        padding: 10px 18px;
        font-size: 14px;
    }
}

@media (max-width: 640px) {
    .topbar-content {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    
    .logo {
        flex: 1;
        font-size: 23px;
        text-align: left;
    }
    
    .top-trust {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 16px;
        font-size: 12px;
        margin-top: 6px;
    }
    
    .top-buy {
        order: 2;
    }
}

/* ================= OUTRAS CORREÇÕES MOBILE (mantidas) ================= */
@media (max-width: 900px) {
    .hero-grid,
    .install-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .top-trust {
        gap: 12px;
        font-size: 12px;
    }

    .hero-text h1 {
        font-size: 34px;
    }

    .btn-main, .btn-big {
        padding: 16px 28px;
        font-size: 17px;
        width: 100%;
        text-align: center;
    }

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