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

body {
    overflow-x: hidden;
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #091f28;
}
::-webkit-scrollbar-thumb {
    background: #1e2d3d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* ===== Animations ===== */
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ===== Hero Animations ===== */
.hero-content {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
    transform: translateY(32px);
}

.hero-image {
    animation: fadeLeft 1s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
    transform: translateX(32px);
}

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

@keyframes fadeLeft {
    to { opacity: 1; transform: translateX(0); }
}

/* ===== Reveal on Scroll ===== */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.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 {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(9, 31, 40, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

.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::after {
    width: 100%;
}

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

.mobile-menu-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

.mobile-menu.open .mobile-menu-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open .mobile-menu-link:nth-child(5) { transition-delay: 0.3s; }

/* Mobile menu button animation */
.mobile-menu-btn.active .mobile-menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.mobile-menu-btn.active .mobile-menu-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active .mobile-menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.25rem;
}

/* ===== Menu Tabs ===== */
.menu-tab {
    background: transparent;
    color: #94a3b8;
    border: none;
    cursor: pointer;
}

.menu-tab.active {
    background: rgba(201, 168, 76, 0.15);
    color: #c9a84c;
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.menu-tab:not(.active):hover {
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.03);
}

.menu-tab-content {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Input Focus ===== */
input:focus, textarea:focus {
    background: rgba(13, 43, 56, 0.8);
}

/* ===== Gold shimmer on hover for images ===== */
.rounded-sm {
    position: relative;
}

.rounded-sm::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px rgba(201, 168, 76, 0.1);
    pointer-events: none;
    transition: box-shadow 0.3s ease;
}

.rounded-sm:hover::after {
    box-shadow: inset 0 0 0 1px rgba(201, 168, 76, 0.25);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .font-display {
        line-height: 1.15;
    }
    
    #hero h1 {
        font-size: 2.75rem;
    }
    
    #hero h1 span {
        font-size: 2.5rem;
    }
}