/* Custom styles for Riomar Environmental Drilling */

/* Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1a1a1a;
}
::-webkit-scrollbar-thumb {
    background: #3d3d3d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6B4A;
}

/* Selection */
::selection {
    background: #FF6B4A;
    color: white;
}

/* Navigation */
.nav {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF6B4A;
    transition: width 0.3s ease;
}

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

/* Mobile menu */
.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-btn #menuMid {
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.mobile-menu-btn.active #menuOpen {
    transform: translateY(6px) rotate(45deg);
}
.mobile-menu-btn.active #menuMid {
    opacity: 0;
}
.mobile-menu-btn.active #menuClose {
    transform: translateY(-6px) rotate(-45deg);
}

/* Buttons */
.btn-coral {
    background: #FF6B4A;
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-coral:hover {
    background: #E85A3A;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
}

.btn-white {
    background: white;
    color: #1a1a1a;
    border: none;
    transition: all 0.3s ease;
}

.btn-white:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Hero */
.hero {
    position: relative;
}

.hero-img {
    will-change: transform;
}

.hero-overlay {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(26, 26, 26, 0.8) 50%, rgba(26, 26, 26, 0.4) 100%);
}

.hero-headline {
    line-height: 0.9;
}

/* Floating cards */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    animation-delay: 0s;
}

.card-2 {
    animation-delay: -2s;
}

.card-3 {
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

/* Section labels */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #FF6B4A;
    background: rgba(255, 107, 74, 0.1);
    border: 1px solid rgba(255, 107, 74, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 100px;
}

/* Section titles */
.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.05;
    color: white;
    letter-spacing: -0.02em;
}

/* Service cards */
.service-card {
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Area cards */
.area-card {
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.area-card:hover {
    transform: translateY(-2px);
}

/* Process steps */
.process-step {
    transition: transform 0.3s ease;
}

.process-step:hover {
    transform: translateY(-4px);
}

/* Contact form inputs */
.input-field {
    font-family: 'Inter', system-ui, sans-serif;
}

.input-field:focus {
    border-color: #FF6B4A;
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
}

.input-field option {
    background: #2d2d2d;
    color: white;
}

/* Contact info blocks */
.contact-info-block {
    transition: transform 0.3s ease;
}

.contact-info-block:hover {
    transform: translateX(4px);
}

/* Success message */
.success-message {
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}