/* ===== Custom Styles for Gulfstream Marine AC-Refrigeration ===== */

/* Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background-color: rgba(201, 162, 39, 0.3);
    color: #f5f0e8;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050d0a;
}
::-webkit-scrollbar-thumb {
    background: #064e3b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a227;
}

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

#navbar.scrolled {
    background: rgba(5, 13, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 162, 39, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a227;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #c9a227 !important;
}

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

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

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: #c9a227;
    transition: width 0.3s ease;
}

.mobile-link:hover::after {
    width: 80%;
}

/* Menu Button Animation */
#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
#hero {
    position: relative;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(6, 78, 59, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.service-card:hover::before {
    opacity: 1;
}

/* ===== Contact Form ===== */
select option {
    background: #071a14;
    color: #f5f0e8;
}

input:focus,
textarea:focus,
select:focus {
    border-color: rgba(201, 162, 39, 0.6) !important;
    box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.2);
}

/* ===== Section Dividers ===== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 162, 39, 0.3), transparent);
}

/* ===== Animations (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 767px) {
    .service-card {
        padding: 1.5rem !important;
    }

    .service-card h3 {
        font-size: 1.25rem !important;
    }
}

/* ===== Gold Gradient Text Utility ===== */
.text-gold-gradient {
    background: linear-gradient(135deg, #c9a227, #e8c96a, #c9a227);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Subtle Pattern Overlay ===== */
.pattern-overlay {
    background-image: radial-gradient(rgba(201, 162, 39, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
}