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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f1f5f9;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a0f14;
}
::-webkit-scrollbar-thumb {
    background: #1e2d42;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* ===== SCROLL INDICATOR ANIMATION ===== */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

.animate-scroll-indicator {
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* ===== HEADER ===== */
#header {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#header.scrolled {
    background: rgba(10, 15, 20, 0.92);
    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: linear-gradient(90deg, #c9a84c, #d4b860);
    transition: width 0.3s ease;
}

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

/* ===== MOBILE MENU ===== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    position: relative;
    transition: color 0.2s ease;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

/* ===== SECTION REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

/* ===== GOLD LINE DECORATION ===== */
.gold-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, #c9a84c, transparent);
}

/* ===== IMAGE HOVER EFFECT ===== */
img {
    max-width: 100%;
    height: auto;
}

/* ===== FOCUS STYLES ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
    html {
        scroll-padding-top: 70px;
    }
}