/* 
   RDE Premium Clean
   Estilo Visual: Luxo, Moderno, Minimalista
   Cores: Preto Fosco, Dourado Metálico
*/

:root {
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --bg-lighter: #1f1f1f;
    
    --gold-light: #fcf6ba;
    --gold-main: #bf953f;
    --gold-dark: #b38728;
    --gold-accent: #fbf5b7;
    
    --text-white: #ffffff;
    --text-light: #e0e0e0;
    --text-muted: #999999;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --glass-bg: rgba(20, 20, 20, 0.7);
    --glass-border: rgba(191, 149, 63, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography & Utilities */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-white);
    margin-bottom: 1rem;
}

.gold-text {
    background: linear-gradient(to right, var(--gold-dark), var(--gold-light), var(--gold-main));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-3 { margin-bottom: 1rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.9rem;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--gold-dark), var(--gold-main), var(--gold-light));
    color: #000;
    box-shadow: 0 4px 15px rgba(191, 149, 63, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(191, 149, 63, 0.5);
    transform: translateY(-2px);
    color: #000;
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    border-color: var(--text-white);
    background: rgba(255,255,255,0.05);
}

.btn-outline-gold {
    background: transparent;
    color: var(--gold-main);
    border: 1px solid var(--gold-main);
    padding: 10px 20px;
}

.btn-outline-gold:hover {
    background: rgba(191, 149, 63, 0.1);
}

.btn-giant {
    padding: 20px 40px;
    font-size: 1.2rem;
    border-radius: 8px;
    display: inline-block;
}

.small-btn {
    padding: 12px 24px;
    font-size: 0.8rem;
}

/* Animations */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(76, 175, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

.pulse-btn {
    background: linear-gradient(45deg, #128C7E, #25D366); /* WhatsApp colors mixed with premium feel */
    color: white;
    animation: pulse 2s infinite;
}
.pulse-btn:hover { color: white; }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 40px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gold-main);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

/* Float WhatsApp */
.float-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s;
}

.float-whatsapp:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

/* Sections Common */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 800px;
    margin-bottom: 3rem;
}

.center-desc {
    margin-left: auto;
    margin-right: auto;
}

.dark-bg {
    background-color: #050505;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translateX(-50%) translateY(-50%);
    z-index: -2;
    object-fit: cover;
    opacity: 0.6;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.9) 0%, rgba(10,10,10,0.7) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 10;
    padding-top: 80px;
}

.badge-premium {
    display: inline-block;
    background: rgba(191, 149, 63, 0.1);
    border: 1px solid var(--gold-main);
    color: var(--gold-main);
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.headline {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.subheadline {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Authority Section */
.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 8px;
    border: 1px solid #1f1f1f;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(191, 149, 63, 0.4);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--gold-main);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Split Sections (Automotive & Residential) */
.split-section {
    background-color: var(--bg-dark);
}

.split-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.reverse .split-container {
    flex-direction: row-reverse;
}

.split-content {
    flex: 1;
}

.split-visual {
    flex: 1;
}

.media-frame {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.media-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(191, 149, 63, 0.3);
    border-radius: 12px;
    pointer-events: none;
}

.inline-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.check-list {
    list-style: none;
    margin-bottom: 30px;
}

.check-list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.items-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.item-tag {
    background: var(--bg-card);
    border: 1px solid #333;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.item-tag i {
    color: var(--gold-main);
}

/* Products Section */
.product-section {
    background: linear-gradient(180deg, var(--bg-dark), #0a0a0a), url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    border-top: 1px solid #1f1f1f;
    border-bottom: 1px solid #1f1f1f;
}

.badge-3m {
    display: inline-block;
    background: #ff0000;
    color: white;
    font-weight: bold;
    font-family: Arial, sans-serif;
    padding: 5px 15px;
    border-radius: 3px;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-box {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 8px;
    border-top: 3px solid var(--gold-main);
}

.stat-box i {
    font-size: 2rem;
    margin-bottom: 15px;
}

/* Social Proof */
.gallery-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-card {
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #1f1f1f;
}

.gallery-info {
    padding: 20px;
    text-align: left;
}

.stars {
    color: var(--gold-main);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(to right, #050505, #111, #050505);
    border-top: 1px solid var(--gold-dark);
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: #000;
    padding: 50px 0 30px;
    border-top: 1px solid #1f1f1f;
}

.footer-links p {
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .headline { font-size: 3rem; }
    .split-container, .reverse .split-container { 
        flex-direction: column; 
    }
    .stats-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .headline { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
    .nav-content { flex-direction: column; gap: 15px; }
    .navbar { padding: 10px 0; }
    .hero { padding-top: 60px; }
}