/* ── Base & Resets ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0d0614; }
::-webkit-scrollbar-thumb { background: #3d1f4f; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #623580; }

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
#navbar.scrolled {
    background: rgba(7, 3, 12, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(212, 160, 23, 0.08);
}

/* ── Nav Links ── */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #fbbf24;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Hamburger ── */
.hamburger-line { transition: all 0.3s ease; }
#menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
#menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
#menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.25rem;
}

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

/* ── Hero Animations ── */
.hero-subtitle {
    animation: fadeDown 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.2s;
}
.hero-headline {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.4s;
}
.hero-desc {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.6s;
}
.hero-cta {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.8s;
}
.hero-glow {
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50%       { opacity: 0.45; transform: translate(-50%, -50%) scale(1.08); }
}

/* ── Buttons ── */
.btn-primary {
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
    position: relative;
    overflow: hidden;
}

/* ── Card Hover ── */
.card-hover {
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(212,160,23,0.06);
}

/* ── Reveal Animations (progressive enhancement) ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-30px);
    }
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(30px);
    }
}

/* ── Selection ── */
::selection {
    background: rgba(212, 160, 23, 0.25);
    color: #f5f0fb;
}