/* 
   Tenerife Local Companion - Updated Styling
   New: Volcanic Contact Button, Favicon support, Language swap adjustments
*/

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --accent-ochre: #c19a6b;
    --accent-green: #2d5a27;
    --accent-navy: #0d1b2a;
    --text-main: #f5f5f5;
    --text-muted: #a0a0a0;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --volcanic-gradient: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid var(--glass-border);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-ochre);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 30px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    background: transparent;
    color: var(--text-main);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn.active, .lang-btn:hover {
    background: var(--accent-ochre);
    border-color: var(--accent-ochre);
    color: #0a0a0a;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    background-size: cover;
    background-position: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, var(--accent-ochre));
    -webkit-background-clip: text;
    -webkit-fill-color: transparent; /* Fixed for cross-browser */
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

/* Sections Common */
section {
    padding: 8rem 2rem;
}

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

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-ochre);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--secondary-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    color: white;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-ochre);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

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

.service-image {
    width: 100%;
    height: 200px;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    object-fit: cover;
}

/* Info Box */
.info-box {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 4rem;
    border-radius: 30px;
    margin-top: 4rem;
    text-align: center;
}

/* Volcanic Contact Button (Custom WhatsApp) */
.volcanic-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 1.5rem 3.5rem;
    background: var(--volcanic-gradient);
    color: var(--accent-ochre);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    border: 1px solid rgba(193, 154, 107, 0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: var(--transition);
    cursor: pointer;
}

.volcanic-btn:hover {
    transform: scale(1.05);
    border-color: var(--accent-ochre);
    box-shadow: 0 15px 40px rgba(0,0,0,0.7), 0 0 15px rgba(193, 154, 107, 0.2);
    color: #fff;
}

/* WhatsApp Floating Button - Tenerife Styled */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--volcanic-gradient);
    color: var(--accent-ochre);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    z-index: 1000;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(193, 154, 107, 0.2);
}

.whatsapp-float:hover {
    transform: rotate(15deg) scale(1.1);
    border-color: var(--accent-ochre);
}

/* Trail Cards Section */
.trails-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.trail-card {
    position: relative;
    height: 450px;
    border-radius: 20px;
    overflow: hidden;
    background: var(--secondary-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.trail-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-ochre);
}

.trail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: var(--transition);
}

.trail-card:hover .trail-img {
    opacity: 0.8;
    transform: scale(1.05);
}

.trail-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    text-align: left;
}

.trail-info h3 {
    color: var(--accent-ochre);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.trail-info p {
    font-size: 0.95rem;
    color: var(--text-main);
    opacity: 0.9;
}

.trail-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    background: var(--accent-ochre);
    color: #000;
    font-weight: 700;
    font-size: 0.8rem;
    border-radius: 5px;
    z-index: 2;
}

/* Contact Form Section */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--glass);
    padding: 4rem;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
}

.contact-form {
    display: grid;
    gap: 2rem;
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--accent-ochre);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-form input, 
.contact-form select, 
.contact-form textarea {
    padding: 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus, 
.contact-form select:focus, 
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-ochre);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 20px rgba(193, 154, 107, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    width: 100%;
    justify-content: center;
    border: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
    section {
        padding: 5rem 1rem;
    }
    .info-box {
        padding: 2rem;
    }
}