/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: 'Inter', sans-serif; background: #020617; color: #e2e8f0; }

/* ── Fonts ── */
.font-playfair { font-family: 'Playfair Display', Georgia, serif; }
.font-inter { font-family: 'Inter', system-ui, sans-serif; }

/* ── Gold Button ── */
.btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d4a853 0%, #b8943f 50%, #d4a853 100%);
    background-size: 200% 200%;
    color: #0f172a;
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 2rem;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(212, 168, 83, 0.25), inset 0 1px 0 rgba(255,255,255,0.2);
    text-decoration: none;
}
.btn-gold:hover {
    background-position: right center;
    box-shadow: 0 8px 32px rgba(212, 168, 83, 0.4), inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-2px);
    color: #0f172a;
}
.btn-gold:active { transform: translateY(0); }

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}
#navbar.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05), 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: 1.5px;
    background: linear-gradient(90deg, #d4a853, #2dd4bf);
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: #d4a853 !important; }

/* ── Mobile Menu ── */
.mobile-link { text-decoration: none; }
#mobile-menu.open { transform: translateX(0); }
#mobile-menu.closed { transform: translateX(100%); }

/* ── Floating Cards Animation ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}
@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delayed { animation: float-delayed 5s ease-in-out infinite 1.5s; }

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 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 Divider ── */
.gold-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212,168,83,0.3), transparent);
}

/* ── Input Focus ── */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

/* ── Selection ── */
::selection { background: rgba(45, 212, 191, 0.3); color: #f1f5f9; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #020617; }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }