/* ============================================
   ChevySmart Venezuela — Sistema de diseño
   ============================================ */

:root {
    /* Paleta Chevrolet premium */
    --gold: #FFB81C;
    --gold-dark: #C8941A;
    --gold-glow: rgba(255, 184, 28, 0.35);

    --blue: #1A56D6;
    --blue-dark: #0F3A93;
    --blue-deep: #051845;

    --bg-darkest: #07090c;
    --bg-dark: #11161c;
    --bg-card: #1a2028;
    --bg-elevated: #232b35;

    --text: #ffffff;
    --text-muted: #a8b2bd;
    --text-subtle: #6c7682;

    --accent-red: #FF3B30;
    --whatsapp: #25D366;

    /* Tipografías */
    --font-display: 'Oswald', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;

    /* Espaciado */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Otros */
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--gold-glow);
    --container: 1200px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-darkest);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Tipografía */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.5px;
    line-height: 1.15;
    text-transform: uppercase;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.4rem; }
p { color: var(--text-muted); }

.text-gold { color: var(--gold); }
.text-center { text-align: center; }

/* Container */
.container {
    max-width: var(--container);
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(7, 9, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 184, 28, 0.1);
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(7, 9, 12, 0.98);
    border-bottom-color: rgba(255, 184, 28, 0.25);
}
.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0.9rem var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-display);
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text);
}
.nav-logo img { height: 42px; width: auto; }
.nav-logo strong { color: var(--gold); }

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}
.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.4rem 0;
    transition: var(--transition);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--gold);
    transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--text);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
    background: var(--gold);
    color: var(--bg-darkest) !important;
    padding: 0.6rem 1.3rem !important;
    border-radius: 50px;
    font-weight: 700 !important;
    transition: var(--transition);
}
.nav-cta:hover {
    background: var(--text);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}
.nav-cta::after { display: none !important; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}
.nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

@media (max-width: 880px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 70px; left: 0; right: 0;
        background: var(--bg-darkest);
        flex-direction: column;
        padding: var(--space-md);
        gap: 1.5rem;
        border-bottom: 1px solid rgba(255, 184, 28, 0.2);
        transform: translateY(-150%);
        transition: var(--transition);
    }
    .nav-links.open { transform: translateY(0); }
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 6rem var(--space-md) var(--space-lg);
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(26, 86, 214, 0.25) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 184, 28, 0.18) 0%, transparent 55%),
        linear-gradient(180deg, var(--bg-darkest) 0%, #0d1217 100%);
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../../fondolow.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    mix-blend-mode: luminosity;
    pointer-events: none;
}
.hero-secondary { min-height: 55vh; }
.hero-inner {
    position: relative;
    max-width: var(--container);
    margin: 0 auto;
    width: 100%;
    z-index: 1;
}
.hero-eyebrow {
    display: inline-block;
    background: rgba(255, 184, 28, 0.12);
    color: var(--gold);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 184, 28, 0.3);
}
.hero h1 {
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, #fff 0%, var(--gold) 60%, var(--gold-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p.lead {
    font-size: clamp(1.05rem, 1.6vw, 1.3rem);
    max-width: 640px;
    margin-bottom: var(--space-md);
    color: var(--text-muted);
}
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
    cursor: pointer;
    text-transform: uppercase;
}
.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--bg-darkest);
    box-shadow: 0 10px 30px rgba(255, 184, 28, 0.25);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 184, 28, 0.45);
}
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-3px);
}
.btn-whatsapp {
    background: var(--whatsapp);
    color: white;
}
.btn-whatsapp:hover {
    background: #1ebe5b;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}
.btn svg { width: 20px; height: 20px; }

/* ============================================
   SECCIONES
   ============================================ */
.section {
    padding: var(--space-xl) var(--space-md);
    position: relative;
}
.section-alt {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darkest) 100%);
}
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}
.section-header .eyebrow {
    color: var(--gold);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
}
.section-header h2 { margin-bottom: 1rem; }

/* ============================================
   GRID DE TARJETAS
   ============================================ */
.grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: var(--container);
    margin: 0 auto;
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }

.card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 184, 28, 0.25);
    box-shadow: var(--shadow-card);
}
.card:hover::before { transform: scaleX(1); }

.card-icon {
    width: 60px; height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 184, 28, 0.15) 0%, rgba(26, 86, 214, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    color: var(--gold);
}
.card-icon svg { width: 32px; height: 32px; }
.card h3 { margin-bottom: 0.8rem; color: var(--text); }
.card p { font-size: 0.95rem; }
.card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.2rem;
    color: var(--gold);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.card .card-link:hover { gap: 0.7rem; }

/* Tarjeta de modelo */
.model-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}
.model-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
}
.model-thumb {
    height: 210px;
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--bg-darkest) 100%);
    display: flex;
    align-items: flex-end;
    position: relative;
    overflow: hidden;
}
.model-thumb-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.model-card:hover .model-thumb-img { transform: scale(1.08); }
.model-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(7, 9, 12, 0.3) 50%, rgba(7, 9, 12, 0.92) 100%);
    z-index: 1;
}
.model-thumb-label {
    position: relative;
    z-index: 2;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0 1.4rem 1.1rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}
.model-body { padding: 1.8rem; }
.model-body h3 {
    font-size: 1.6rem;
    color: var(--gold);
    margin-bottom: 0.6rem;
}
.model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1rem 0;
}
.model-tag {
    background: rgba(26, 86, 214, 0.18);
    color: #8aaeff;
    padding: 0.25rem 0.7rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(26, 86, 214, 0.3);
}

/* Lista de servicios */
.feature-list { list-style: none; margin-top: 1rem; }
.feature-list li {
    padding: 0.5rem 0 0.5rem 1.8rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}
.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
}

/* CTA banner */
.cta-banner {
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--bg-darkest) 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(255, 184, 28, 0.2);
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--gold-glow) 0%, transparent 70%);
    opacity: 0.4;
}
.cta-banner > * { position: relative; }
.cta-banner h2 { margin-bottom: 1rem; }

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    max-width: 900px;
    margin: var(--space-lg) auto 0;
    text-align: center;
}
.stat-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 0.3rem;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Contacto */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    max-width: var(--container);
    margin: 0 auto;
}
@media (max-width: 768px) {
    .contact-grid { grid-template-columns: 1fr; }
}
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}
.contact-item:hover {
    border-color: rgba(255, 184, 28, 0.3);
    transform: translateY(-3px);
}
.contact-item-icon {
    width: 48px; height: 48px;
    flex-shrink: 0;
    background: rgba(255, 184, 28, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}
.contact-item-icon svg { width: 24px; height: 24px; }
.contact-item h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    font-weight: 600;
}
.contact-item p, .contact-item a {
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 500;
}
.contact-item a:hover { color: var(--gold); }

/* Blog */
.post-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}
.post-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 184, 28, 0.25);
}
.post-thumb {
    height: 180px;
    background: linear-gradient(135deg, var(--blue-dark), var(--bg-darkest));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.post-thumb-icon {
    font-size: 3rem;
    opacity: 0.4;
}
.post-meta {
    padding: 1.5rem 1.8rem 0;
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.post-cat { color: var(--gold); font-weight: 600; }
.post-card h3 { padding: 0.8rem 1.8rem; font-size: 1.25rem; }
.post-card p { padding: 0 1.8rem 1.8rem; font-size: 0.95rem; }

.coming-soon {
    background: rgba(26, 86, 214, 0.15);
    color: #8aaeff;
    padding: 0.3rem 0.7rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid rgba(26, 86, 214, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-darkest);
    padding: var(--space-lg) var(--space-md) var(--space-md);
    border-top: 1px solid rgba(255, 184, 28, 0.1);
}
.footer-grid {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand img { height: 60px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.95rem; max-width: 360px; }
.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gold);
    margin-bottom: 1rem;
    font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: var(--transition);
}
.footer-col a:hover { color: var(--gold); }

.footer-social {
    display: flex;
    gap: 0.8rem;
    margin-top: 1rem;
}
.footer-social a {
    width: 40px; height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-social a:hover {
    background: var(--gold);
    color: var(--bg-darkest);
    transform: translateY(-3px);
    border-color: var(--gold);
}
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom {
    max-width: var(--container);
    margin: 0 auto;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-subtle);
}

/* WhatsApp flotante */
.whatsapp-float {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 60px; height: 60px;
    background: var(--whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: var(--transition);
    animation: pulse 2.5s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); animation: none; }
.whatsapp-float svg { width: 30px; height: 30px; }
@keyframes pulse {
    0%, 100% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.8), 0 0 0 12px rgba(37, 211, 102, 0); }
}

/* Animaciones de scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utilidades */
.section > .container { max-width: var(--container); margin: 0 auto; }
@media (max-width: 600px) {
    .section { padding: var(--space-lg) var(--space-md); }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .stat-num { font-size: 2.4rem; }
}