/* =========================================================================
   Transcastelvil S.A. - Premium Industrial Dark Theme
   ========================================================================= */

/* CSS Variables */
:root {
    --clr-bg: #0b0f19;
    --clr-bg-alt: #111827;
    --clr-glass: rgba(17, 24, 39, 0.7);
    --clr-glass-border: rgba(255, 255, 255, 0.08);
    
    /* Vibrant safety orange for accents */
    --clr-accent: #ff6a00;
    --clr-accent-glow: rgba(255, 106, 0, 0.4);
    
    --clr-text: #f8fafc;
    --clr-text-muted: #94a3b8;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

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

h1, h2, h3, h4, .logo-text { font-family: var(--font-heading); line-height: 1.1; }
.section-title { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 1rem; font-weight: 800; }
.section-title span { color: var(--clr-accent); }
.accent { color: var(--clr-accent); }

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

.section-padding { padding: 6rem 0; }

/* Buttons */
.btn {
    display: inline-flex; justify-content: center; align-items: center;
    padding: 0.875rem 1.75rem; border-radius: 8px; font-family: var(--font-heading);
    font-weight: 700; text-decoration: none; transition: var(--transition-medium);
    cursor: pointer; border: none; letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #ff8533 0%, var(--clr-accent) 100%);
    color: #fff; box-shadow: 0 4px 15px var(--clr-accent-glow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--clr-accent-glow); }

.btn-secondary {
    background: rgba(255, 255, 255, 0.05); color: var(--clr-text);
    border: 1px solid var(--clr-glass-border); backdrop-filter: blur(10px);
}

.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }

.btn-outline { background: transparent; color: var(--clr-text); border: 1px solid var(--clr-glass-border); }
.btn-outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; transition: var(--transition-medium); padding: 1.5rem 0; }

.navbar.scrolled {
    padding: 1rem 0; background: var(--clr-glass); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-glass-border); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-content { display: flex; justify-content: space-between; align-items: center; }
.logo-text { font-size: 1.5rem; font-weight: 900; letter-spacing: 1px; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { color: var(--clr-text-muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: var(--transition-fast); }
.nav-links a:not(.btn):hover { color: var(--clr-accent); }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 5rem; }
.hero-bg {
    position: absolute; inset: 0; background-image: url('assets/hero_truck.png');
    background-size: cover; background-position: center; z-index: -2; transform: scale(1.05);
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to right, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.7) 50%, rgba(11, 15, 25, 0.3) 100%);
    z-index: -1;
}

.hero-content { max-width: 800px; }
.hero-content h1 { font-size: clamp(3rem, 7vw, 4.5rem); margin-bottom: 1.5rem; color: #fff; }
.hero-content p { font-size: clamp(1.1rem, 2vw, 1.25rem); color: var(--clr-text-muted); margin-bottom: 2.5rem; max-width: 600px; }
.hero-buttons { display: flex; gap: 1rem; margin-bottom: 4rem; }

.stats { display: flex; gap: 3rem; border-top: 1px solid var(--clr-glass-border); padding-top: 2rem; }
.stat-item h3 { font-size: 2rem; color: var(--clr-accent); }
.stat-item p { font-size: 0.9rem; color: var(--clr-text-muted); margin: 0; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 4rem; }
.service-card {
    background: var(--clr-bg-alt); border: 1px solid var(--clr-glass-border); border-radius: 16px;
    padding: 2.5rem 2rem; transition: var(--transition-medium); position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
    background: var(--clr-accent); transform: scaleX(0); transform-origin: left; transition: var(--transition-medium);
}
.service-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4); background: rgba(30, 41, 59, 0.8); }
.service-card:hover::before { transform: scaleX(1); }

.card-icon {
    width: 64px; height: 64px; background: rgba(255, 106, 0, 0.1); color: var(--clr-accent);
    border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem;
    font-size: 2rem; transition: var(--transition-medium);
}
.service-card:hover .card-icon { background: var(--clr-accent); color: #fff; transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.service-card p { color: var(--clr-text-muted); }

/* Contact */
.contact-wrapper { display: flex; flex-direction: column; gap: 4rem; align-items: center; text-align: center; }
.contact-methods { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.method-card {
    display: flex; align-items: center; gap: 1.5rem; padding: 1.5rem 2rem;
    background: var(--clr-bg-alt); border: 1px solid var(--clr-glass-border); border-radius: 16px;
    text-decoration: none; color: var(--clr-text); transition: var(--transition-medium); text-align: left;
}
.method-card:hover { border-color: var(--clr-accent-glow); background: rgba(255, 106, 0, 0.05); transform: translateY(-5px); }

.method-card .icon {
    width: 48px; height: 48px; background: var(--clr-bg); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.method-card h4 { font-size: 0.85rem; color: var(--clr-text-muted); margin-bottom: 0.25rem; }
.method-card p { font-size: 1.1rem; font-weight: 600; margin: 0; color: var(--clr-text); }

/* Footer */
footer { border-top: 1px solid var(--clr-glass-border); padding: 3rem 0; background: var(--clr-bg-alt); text-align: center; }

/* Animations */
.reveal-up { opacity: 0; transform: translateY(30px); transition: var(--transition-medium); }
.reveal-up.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

@media (max-width: 900px) {
    .nav-links { display: none; }
}
@media (max-width: 600px) {
    .hero-buttons { flex-direction: column; }
    .stats { flex-wrap: wrap; gap: 1.5rem; }
}