/* ── Base & Typography ── */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #fff;
}

/* ── Navbar ── */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #d4a853;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* ── Gold Line (decorative underline) ── */
.gold-line {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #d4a853;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-weight: 600;
}

.gold-line::before,
.gold-line::after {
    content: '';
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #d4a853);
}

.gold-line::after {
    background: linear-gradient(90deg, #d4a853, transparent);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(-2deg); }
}

@keyframes floatFast {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

@keyframes bounceSlow {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-slow { animation: floatSlow 8s ease-in-out infinite; }
.animate-float-fast { animation: floatFast 4s ease-in-out infinite; }
.animate-bounce-slow { animation: bounceSlow 2.5s ease-in-out infinite; }

/* ── Scroll Reveal ── */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ── Delay utilities for staggered reveals ── */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

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

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* ── Form Styles ── */
select option {
    background: #0d1528;
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #0a0f1e;
}

::-webkit-scrollbar-thumb {
    background: #162038;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4a853;
}