/* ==========================================
   EXTREME FOAM & COATINGS — CUSTOM STYLES
   ========================================== */

/* --- Base & Typography --- */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: #080f0d;
    color: #f5f0e8;
    font-family: 'Inter', system-ui, sans-serif;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f5f0e8;
}

/* --- Navbar --- */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(8, 15, 13, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1), 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #c9a84c !important;
}

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

.cta-nav {
    position: relative;
    overflow: hidden;
}

.cta-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.cta-nav:hover::before {
    left: 100%;
}

/* --- Mobile Menu --- */
.mobile-nav-link {
    font-family: 'Playfair Display', serif;
}

#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.menu-line {
    display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.25rem;
}

/* --- Hero --- */
.hero-title {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s ease forwards;
    animation-delay: 0.5s;
}

.hero-ctas {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.hero-trust {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

@keyframes heroFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    opacity: 0;
    animation: heroFadeUp 0.6s ease forwards;
    animation-delay: 0.1s;
}

/* --- Buttons --- */
.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #c9a84c, #dfc06e);
    color: #080f0d;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(201, 168, 76, 0.25);
    border: none;
    cursor: pointer;
}

.cta-primary:hover {
    background: linear-gradient(135deg, #dfc06e, #c9a84c);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
    transform: translateY(-2px);
    color: #080f0d;
}

.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    color: #f5f0e8;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(245, 240, 232, 0.15);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(245, 240, 232, 0.3);
    transform: translateY(-2px);
}

/* --- Section Styles --- */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #c9a84c;
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: #f5f0e8;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.0625rem;
    color: rgba(245, 240, 232, 0.55);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3rem;
}

/* --- Service Cards --- */
.service-card {
    perspective: 1000px;
}

.service-card .card-inner {
    transition: transform 0.4s ease, border-color 0.4s ease;
    transform-style: preserve-3d;
}

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

/* --- Process Steps --- */
.process-step {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.process-step.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Gallery --- */
.gallery-item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.gallery-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Contact --- */
.contact-info-item {
    text-decoration: none;
    transition: transform 0.2s ease;
}

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

.input-field {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(245, 240, 232, 0.1);
    border-radius: 0.625rem;
    padding: 0.75rem 1rem;
    color: #f5f0e8;
    font-size: 0.9375rem;
    font-family: 'Inter', system-ui, sans-serif;
    transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
    outline: none;
    width: 100%;
}

.input-field::placeholder {
    color: rgba(245, 240, 232, 0.25);
}

.input-field:focus {
    border-color: rgba(201, 168, 76, 0.5);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

.input-field option {
    background: #111f1a;
    color: #f5f0e8;
}

/* --- Back to Top --- */
#back-to-top {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

#back-to-top:hover {
    transform: translateY(-3px);
}

/* --- Scroll Reveal (below fold only, progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

/* --- Utility --- */
@media (max-width: 767px) {
    .section-header {
        margin-bottom: 2rem;
    }
}

/* --- Subtle shimmer on gold accents --- */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.text-gold-shimmer {
    background: linear-gradient(90deg, #c9a84c, #f0d878, #c9a84c);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
}