/* ─── Base & Reset ─── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ─── Hero Gradient ─── */
.hero-gradient {
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(201, 168, 76, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(26, 48, 82, 0.8) 0%, transparent 60%),
        radial-gradient(ellipse 90% 70% at 50% 50%, rgba(13, 27, 42, 0.9) 0%, transparent 70%),
        linear-gradient(160deg, #0a1628 0%, #122438 30%, #1a3052 55%, #0d1b2a 80%, #0a1628 100%);
}

/* ─── Hero Animations ─── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation-name: fadeUp;
    animation-duration: 0.9s;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    animation-iteration-count: 1;
}

/* ─── Scroll Reveal ─── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.reveal-up {
    transform: translateY(20px);
}

/* ─── Navbar ─── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0;
}

#navbar.scrolled .font-serif {
    color: #d4b76a;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1a3052;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* ─── Selection ─── */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #fff;
}

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal-left,
    .reveal-right,
    .reveal-up {
        opacity: 1;
        transform: none;
    }
}

/* ─── Mobile Menu Animation ─── */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Form Focus Styles ─── */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 1px rgba(201, 168, 76, 0.2);
}

/* ─── Button Hover Glow ─── */
button[type="submit"]:hover {
    box-shadow: 0 4px 24px rgba(201, 168, 76, 0.25);
}