/* ==========================================================================
   AUTOMOTORA SAN CRISTÓBAL® - ADAPTIVE THEME COLOR SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Default Light Mode */
:root, [data-theme="light"] {
    --color-primary: #0f2942;
    --color-primary-light: #1e3a5f;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-success: #10b981;
    --color-whatsapp: #25D366;
    --color-whatsapp-hover: #128C7E;
    
    --bg-main: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-hero-overlay: linear-gradient(to right, rgba(15, 41, 66, 0.9) 0%, rgba(15, 41, 66, 0.3) 100%);
    
    --text-heading: #0f2942;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --text-light: #FFFFFF;
    
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 25px rgba(15, 23, 42, 0.1);
    --shadow-hover: 0 12px 28px rgba(15, 23, 42, 0.15);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark Mode Overrides */
[data-theme="dark"] {
    --color-primary: #38bdf8;
    --color-primary-light: #0284c7;
    --color-accent: #38bdf8;
    --color-accent-hover: #0284c7;
    
    --bg-main: #0b131f;
    --bg-secondary: #111c2e;
    --bg-tertiary: #1b2a45;
    --bg-card: #111c2e;
    --bg-hero-overlay: linear-gradient(to right, rgba(11, 19, 31, 0.95) 0%, rgba(11, 19, 31, 0.6) 100%);
    
    --text-heading: #f8fafc;
    --text-dark: #f8fafc;
    --text-muted: #94a3b8;
    
    --border-color: rgba(255, 255, 255, 0.12);
    --border-hover: rgba(56, 189, 248, 0.4);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 30px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.6);
}

/* Reset & Global */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.25;
    transition: color var(--transition-normal);
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* KEYFRAME ANIMATIONS */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

@keyframes heartPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.35); }
    100% { transform: scale(1); }
}

@keyframes cardFade {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Scroll Reveal */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Top Bar */
.top-bar {
    background-color: #0f2942;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.82rem;
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.top-social {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.top-social a {
    color: white;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    display: inline-block;
}

.top-social a:hover {
    transform: translateY(-2px);
    opacity: 0.8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: white;
}

.btn-whatsapp:hover {
    background: var(--color-whatsapp-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-1px);
}

/* Navbar */
.navbar {
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.9rem 0;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform var(--transition-fast);
}

.brand-logo:hover {
    transform: scale(1.02);
}

.brand-icon-box {
    width: 40px;
    height: 40px;
    background: #0f2942;
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: transform var(--transition-bounce);
}

[data-theme="dark"] .brand-icon-box {
    background: var(--color-accent);
    color: #0b131f;
}

.brand-logo:hover .brand-icon-box {
    transform: rotate(-8deg) scale(1.1);
}

.brand-logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1;
}

.brand-logo-sub {
    font-size: 0.65rem;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
}

.nav-link {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-main) 100%);
    padding: 2.5rem 0 4rem;
    transition: background var(--transition-normal);
}

.hero-banner {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 440px;
    box-shadow: var(--shadow-md);
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease;
}

.hero-banner:hover img {
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-hero-overlay);
    display: flex;
    align-items: center;
    padding: 0 3.5rem;
}

.hero-text {
    max-width: 580px;
    color: white;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    background: var(--color-success);
    color: white;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    animation: pulseGlow 2.5s infinite;
}

.hero-title {
    color: white;
    font-size: 2.85rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.05rem;
    opacity: 0.9;
    margin-bottom: 1.75rem;
    font-weight: 400;
}

/* Search Widget */
.search-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: -3.5rem;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: repeat(4, 1fr) auto;
    gap: 1rem;
    align-items: flex-end;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.search-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.search-field label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.search-field select, .search-field input {
    background: var(--bg-secondary);
    color: var(--text-dark);
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), background-color var(--transition-normal), color var(--transition-normal);
}

.search-field select:focus, .search-field input:focus {
    border-color: var(--color-accent);
}

/* Section Common */
.section {
    padding: 5rem 0;
    transition: background-color var(--transition-normal);
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 3rem;
}

.section-subtitle {
    color: var(--color-accent);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
    display: block;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

.category-pills {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.pill-btn {
    padding: 0.55rem 1.3rem;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--text-dark);
    font-weight: 700;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

.pill-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Cars Grid & Cards */
.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 2rem;
}

.car-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal);
    display: flex;
    flex-direction: column;
    animation: cardFade 0.5s ease-out forwards;
}

.car-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-accent);
}

.car-card-img-wrapper {
    position: relative;
    height: 220px;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.car-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.car-card:hover .car-card-img {
    transform: scale(1.08);
}

.car-badge {
    position: absolute;
    top: 0.85rem;
    left: 0.85rem;
    background: var(--color-success);
    color: white;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.favorite-btn {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    color: #0f2942;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-bounce);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.favorite-btn:hover, .favorite-btn.active {
    background: #ef4444;
    color: white;
    animation: heartPop 0.4s ease;
}

.car-card-content {
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.car-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text-heading);
    transition: color var(--transition-fast);
}

.car-card:hover .car-title {
    color: var(--color-accent);
}

.car-meta-info {
    display: flex;
    gap: 0.85rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.car-meta-info span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.car-price-tag {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-heading);
    font-family: var(--font-heading);
}

.car-monthly-tag {
    font-size: 0.8rem;
    color: var(--color-success);
    font-weight: 700;
    margin-bottom: 1.1rem;
}

.car-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-top: auto;
}

/* Consignación & Calculator Cards */
.consignacion-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.consignacion-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.calculator-card {
    background: #0f2942;
    color: white;
    padding: 2.75rem;
    border-radius: var(--radius-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .calculator-card {
    background: #111c2e;
    border: 1px solid var(--border-color);
}

.calculator-card h2, .calculator-card label, .calculator-card span {
    color: white;
}

.calc-summary-box {
    background: rgba(255, 255, 255, 0.08);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: transform var(--transition-normal);
}

.calc-summary-box:hover {
    transform: scale(1.02);
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    animation: floatAnim 3s ease-in-out infinite;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.15) rotate(5deg);
    background: var(--color-whatsapp-hover);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 850px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: scale(0.94);
    transition: transform var(--transition-bounce), background-color var(--transition-normal);
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.modal-close:hover {
    transform: rotate(90deg);
    background: #ef4444;
    color: white;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.detail-gallery {
    height: 100%;
    min-height: 320px;
}

.detail-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Footer */
.footer {
    background: #0f2942;
    color: white;
    padding: 4.5rem 0 2rem;
}

[data-theme="dark"] .footer {
    background: #0b131f;
    border-top: 1px solid var(--border-color);
}

.footer h4, .footer p, .footer a {
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: #0f2942;
    color: white;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: fadeInUp 0.3s ease-out;
}

[data-theme="dark"] .toast {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

@media (max-width: 992px) {
    .search-widget { grid-template-columns: repeat(2, 1fr); }
    .consignacion-card, .calculator-card, .detail-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .hero-title { font-size: 2.1rem; }
    .hero-banner { height: 340px; }
    .search-widget { grid-template-columns: 1fr; }
    .cars-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}