/* ===== CSS Custom Properties ===== */
:root {
    --stellar-dark: #0d0d0d;
    --stellar-light: #1a1a1a;
    --amber-300: #fcd34d;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
    --amber-600: #d97706;
    --plum-950: #500724;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background-color: var(--stellar-dark);
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
}

/* ===== Selection ===== */
::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #ffffff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--stellar-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(251, 191, 36, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(251, 191, 36, 0.5);
}

/* ===== Typography ===== */
.section-label {
    letter-spacing: 0.3em;
}

.section-title {
    line-height: 1.2;
}

/* ===== Navigation ===== */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(251, 191, 36, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--amber-400);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--amber-400);
}

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

/* ===== Stat Cards ===== */
.stat-card {
    animation: float 6s ease-in-out infinite;
}

.card-1 { animation-delay: 0s; }
.card-2 { animation-delay: -1.5s; }
.card-3 { animation-delay: -3s; }
.card-4 { animation-delay: -4.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(251, 191, 36, 0.05);
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid transparent;
    transition: border-color 0.5s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    border-color: rgba(251, 191, 36, 0.3);
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delays */
.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; }

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

.mobile-link {
    font-size: 1.25rem;
}

/* ===== Button Hover Effects ===== */
button[type="submit"]:hover {
    transform: translateY(-1px);
}

button[type="submit"]:active {
    transform: translateY(0);
}

/* ===== Input Focus ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    #hero h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 640px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    #hero h1 {
        font-size: 1.875rem;
    }
}

/* ===== Gradient Text Utility ===== */
.text-gradient-gold {
    background: linear-gradient(135deg, #fcd34d, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}