/* Design System - Aventuras Carpe Diem */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Montserrat:wght@700;800&display=swap');

:root {
    /* Primitives - Exact Brand Colors */
    --primary: #0d1a12; /* Bosque Profundo / Deep Forest */
    --secondary: #311c17; /* Café Marca / Brand Brown */
    --accent: #f7921d; /* Naranja Marca / Brand Orange */
    --accent-light: #ffde00; /* Oro Marca / Brand Gold */
    --accent-rgb: 247, 146, 29;
    --white: #ffffff;
    --black: #000000;
    
    /* Neutrals */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic Roles */
    --bg-main: var(--primary);
    --bg-surface: rgba(49, 28, 23, 0.2); /* Tinted with brand brown */
    --bg-glass: rgba(255, 255, 255, 0.05);
    --text: var(--white);
    --text-muted: var(--gray-400);
    --border-glass: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 32px; /* Smoother curve for premium feel */
    --radius-full: 100px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
    --shadow-lg: 0 15px 35px rgba(0,0,0,0.25);
    --shadow-accent: 0 4px 15px rgba(247, 146, 29, 0.4);
    
    /* Transitions */
    --timing-fast: 200ms;
    --timing-base: 400ms;
    --timing-slow: 700ms;
    --transition: all var(--timing-base) cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

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

h1, h2, h3 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 10px;
}

/* Reusable Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.section-padding {
    padding: var(--space-24) 0;
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: var(--space-4);
    transition: var(--transition);
}

.service-card:hover i {
    transform: scale(1.2) rotate(5deg);
    color: var(--accent-light);
}

.btn {
    display: inline-block;
    padding: var(--space-4) var(--space-12);
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn:hover {
    background: linear-gradient(45deg, var(--accent), var(--accent-light));
    border-color: transparent;
    color: var(--secondary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-accent);
}

.btn-glow {
    animation: glowPulse 2s infinite;
}

@keyframes glowPulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(var(--accent-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(13, 26, 18, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-4) 0;
    box-shadow: var(--shadow-lg);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo img {
    height: 65px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(13, 26, 18, 0.5), var(--bg-main)), url('assets/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.5s;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.hero p {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    margin-bottom: var(--space-8);
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    margin-bottom: var(--space-6);
    color: var(--accent);
}

.about-text p {
    margin-bottom: var(--space-8);
    font-size: 1.1rem;
    color: var(--gray-300);
}

.about-image {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: 20px 20px 0 var(--secondary);
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.about-image:hover {
    transform: scale(1.02) rotate(-1deg);
    box-shadow: 15px 15px 0 var(--accent);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card:hover {
    background: var(--glass-border);
    transform: translateY(-10px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* Experience Section */
.experience {
    background: linear-gradient(rgba(13, 26, 18, 0.9), rgba(13, 26, 18, 0.95)), url('assets/astrotourism.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
}

.timeline-item {
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px var(--accent);
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-4 { margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-8); }
.bg-secondary { background-color: var(--secondary); }
.flex-center { display: flex; justify-content: center; align-items: center; gap: var(--space-4); flex-wrap: wrap; }

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

/* Footer Styles */
.footer {
    padding: var(--space-16) 0;
    background-color: var(--secondary);
    border-top: 1px solid var(--border-glass);
    text-align: center;
}

.footer-logo {
    height: 60px;
    margin-bottom: var(--space-6);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.footer-title {
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-4);
}

.footer-copy {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--space-8);
}

.footer-credit {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .about-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}