/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 1; }
}
@keyframes pulseSlow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}
@keyframes scrollIndicator {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 0.5; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 1; }
}
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.animate-fade-in { animation: fadeIn 0.8s ease forwards; }
.animate-fade-up { animation: fadeInUp 0.8s ease forwards; }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse-slow { animation: pulseSlow 5s ease-in-out infinite; }
.animate-scroll-indicator { animation: scrollIndicator 2s ease-in-out infinite; }

/* ── Reveal on Scroll ── */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
    background: rgba(5, 13, 26, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1), 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Gold Text Gradient ── */
.text-gold-gradient {
    background: linear-gradient(135deg, #F0D078, #C9A84C, #B8922E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #050D1A; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #C9A84C, #967420); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #F0D078, #C9A84C); }

/* ── Selection ── */
::selection { background: rgba(201, 168, 76, 0.3); color: #fff; }

/* ── Input Focus ── */
input:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(201, 168, 76, 0.3), 0 0 20px rgba(201, 168, 76, 0.1);
}

/* ── Mobile Menu Transition ── */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
}
#mobile-menu.open {
    max-height: 400px;
    padding-top: 0;
    padding-bottom: 0;
}

/* ── Button Ripple Effect ── */
button::after, a::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* ── Image Hover Overlay ── */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* ── Divider Line ── */
.gold-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.4), transparent);
}

/* ── Card Hover Glow ── */
.card-glow:hover {
    box-shadow: 0 0 40px rgba(201, 168, 76, 0.15), 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    html { scroll-padding-top: 70px; }
}