/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Hero Gradient ── */
.hero-gradient {
    background:
        radial-gradient(ellipse 80% 50% at 20% 80%, rgba(88,28,135,0.5) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(180,83,9,0.25) 0%, transparent 60%),
        radial-gradient(ellipse 90% 60% at 50% 50%, rgba(13,7,17,0.9) 0%, transparent 80%),
        linear-gradient(180deg, #0D0510 0%, #1C0E1C 40%, #130814 100%);
}

/* ── Scroll Reveal ── */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* stagger children */
.service-card { transition-delay: calc(var(--i, 0) * 0.1s); }

/* ── Hero Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.fade-in-up { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; opacity: 0; }
.fade-in-up-delay { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards; opacity: 0; }
.fade-in-up-delay-2 { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards; opacity: 0; }

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
    background: rgba(13, 5, 16, 0.85);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 20px 40px rgba(0,0,0,0.3);
}

/* ── Mobile Menu ── */
#mobile-menu.open { opacity: 1 !important; pointer-events: all !important; }
.mobile-link { transition: opacity 0.3s ease; }
#mobile-menu.closing .mobile-link { opacity: 0; }

/* ── Service Cards ── */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, background 0.4s ease;
}
.service-card.revealed { opacity: 1; transform: translateY(0); }

/* ── Gallery ── */
.gallery-item {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.gallery-item.revealed { opacity: 1; transform: scale(1); }
.gallery-item:hover img { filter: brightness(1.1); }

/* ── Custom Select ── */
select option { background: #2A1528; color: #fff; }

/* ── Selection ── */
::selection { background: rgba(217,119,6,0.3); color: #fff; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #130814; }
::-webkit-scrollbar-thumb { background: #3D1F3A; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #5C2D56; }

/* ── Responsive ── */
@media (max-width: 767px) {
    .hero-gradient {
        background:
            radial-gradient(ellipse 100% 60% at 50% 30%, rgba(88,28,135,0.4) 0%, transparent 70%),
            radial-gradient(ellipse 80% 40% at 80% 80%, rgba(180,83,9,0.15) 0%, transparent 60%),
            linear-gradient(180deg, #0D0510 0%, #1C0E1C 50%, #130814 100%);
    }
}