/* 
 * FII Ecoparque - Styles
 * Theme: Tech Blue + Purple (Dark Mode)
 */

:root {
    --bg-dark: #070A12;
    --bg-card: #0B0F14;
    --bg-card-hover: #111827;
    --primary-purple: #7C3AED;
    --neon-purple: #A78BFA;
    --primary-blue: #0EA5E9;
    --glow-blue: #38BDF8;
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --border-color: #1F2937;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s ease;
}

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

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1rem; color: var(--text-muted); }

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--glow-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: white;
    box-shadow: 0 4px 6px -1px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-outline:hover {
    background: rgba(14, 165, 233, 0.1);
    color: var(--glow-blue);
    border-color: var(--glow-blue);
}

.btn-full { width: 100%; }

/* Header */
.header {
    background-color: rgba(7, 10, 18, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--glow-blue);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0 5rem;
    background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.2), transparent 40%),
                radial-gradient(circle at bottom left, rgba(14, 165, 233, 0.2), transparent 40%);
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 2rem;
    color: var(--glow-blue);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--neon-purple);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Features */
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.feature-list i {
    color: var(--success);
    margin-top: 0.25rem;
}

/* Compliance Banner */
.compliance-bar {
    background-color: #1a1a1a;
    color: #999;
    font-size: 0.8rem;
    padding: 0.5rem 0;
    text-align: center;
    border-bottom: 1px solid #333;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

/* Footer */
.footer {
    background-color: #05070A;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.social-link:hover {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

/* Responsive */
@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .hero { padding-top: 6rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-card);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        align-items: flex-start;
    }
    
    .nav-links.active {
        transform: translateY(0%);
    }
    
    .mobile-toggle { display: block; }
    
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    
    .hero-buttons { flex-direction: column; }
    
    .footer-grid { grid-template-columns: 1fr; }
    
    .cookie-content { flex-direction: column; text-align: center; }
    .cookie-buttons { flex-direction: column; width: 100%; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

/* Disclaimer text small */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }