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

:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #f0c040;
    --accent-hover: #d4a832;
    --accent-glow: rgba(240, 192, 64, 0.25);
    --text: #1a1a2e;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg: #ffffff;
    --bg-alt: #f8f9fc;
    --bg-dark: #0f0f23;
    --border: #e5e7eb;
    --border-light: rgba(255,255,255,0.15);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.75) saturate(1);
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        180deg,
        rgba(15, 15, 35, 0.15) 0%,
        rgba(15, 15, 35, 0.45) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 24px;
    max-width: 900px;
    animation: fadeUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 192, 64, 0.15);
    border: 1px solid rgba(240, 192, 64, 0.3);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.1;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--accent);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-price {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 16px 32px;
    border-radius: var(--radius);
    margin-bottom: 36px;
}

.hero-price .price-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.hero-price .price-amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    border: none;
    line-height: 1;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 24px var(--accent-glow);
    transform: translateY(-2px);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
    color: #fff;
}

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

/* ========== SCROLL INDICATOR ========== */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.scroll-indicator .mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator .mouse::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 10px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollDot 1.5s infinite;
}

@keyframes scrollDot {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ========== SECTIONS ========== */
.section {
    padding: 100px 24px;
}

.section-alt {
    background: var(--bg-alt);
}

.section-dark {
    background: var(--primary);
    color: var(--text-white);
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-alt .section-title,
.bg-white .section-title {
    color: var(--text);
}

.section-dark .section-title {
    color: var(--text-white);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 12px auto 0;
}

.section-dark .section-desc {
    color: rgba(255,255,255,0.7);
}

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

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--accent);
    transition: height var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    height: 100%;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(240, 192, 64, 0.1);
    border-radius: 14px;
    margin-bottom: 20px;
    color: var(--accent);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========== SPECS ========== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.spec-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    transition: all var(--transition);
}

.spec-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(240, 192, 64, 0.3);
    transform: translateY(-2px);
}

.spec-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.spec-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
    background: var(--bg);
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--text);
    text-align: left;
    line-height: 1.4;
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question .icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition);
    color: var(--accent);
}

.faq-item.active .faq-question .icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 24px 20px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ========== CTA ========== */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(240, 192, 64, 0.08) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.1rem;
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.cta-section .btn-outline {
    border-color: rgba(255, 255, 255, 0.3);
}

/* ========== CONTACT ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: all var(--transition);
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.contact-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(240, 192, 64, 0.1);
    border-radius: 12px;
    color: var(--accent);
}

.contact-info h4 {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 2px;
}

.contact-info a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

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

/* ========== FOOTER ========== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    padding: 40px 24px;
    font-size: 0.9rem;
}

.site-footer span {
    color: var(--accent);
}

/* ========== STICKY CTA ========== */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.sticky-cta.visible {
    transform: translateY(0);
}

.sticky-cta .cta-text {
    color: var(--text-white);
    font-weight: 600;
    font-size: 0.95rem;
}

.sticky-cta .cta-text-small {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

.sticky-cta .btn {
    padding: 10px 24px;
    flex-shrink: 0;
}

/* ========== NO SCROLL ========== */
body.no-scroll {
    overflow: hidden;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .section {
        padding: 64px 20px;
    }
    .section-header {
        margin-bottom: 40px;
    }
    .hero-price {
        flex-direction: column;
        gap: 4px;
        padding: 14px 24px;
    }
    .hero-price .price-amount {
        font-size: 1.5rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .faq-question {
        padding: 16px 20px;
        font-size: 0.95rem;
    }
    .faq-answer {
        padding: 0 20px;
    }
    .faq-item.active .faq-answer {
        padding: 0 20px 16px;
    }
    .sticky-cta .cta-text {
        display: none;
    }
    .sticky-cta {
        padding: 10px 16px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .specs-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}