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

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

body {
    overflow-x: hidden;
}

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(
        135deg,
        #1e2740 0%,
        #2a3555 25%,
        #3d4f6f 45%,
        #d4a84b 70%,
        #f2c95e 85%,
        #fbf0cc 100%
    );
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal[data-reveal-delay="1"] { transition-delay: 0.1s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.2s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.3s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.4s; }
.reveal[data-reveal-delay="5"] { transition-delay: 0.5s; }
.reveal[data-reveal-delay="6"] { transition-delay: 0.6s; }

/* Hidden state applied via JS for progressive enhancement */
.reveal.is-hidden {
    opacity: 0;
    transform: translateY(30px);
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal.is-hidden {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html { scroll-behavior: auto; }
    .animate-bounce { animation: none; }
}

/* ── Navbar Transition ── */
#navbar.scrolled {
    background: rgba(253, 248, 232, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(30, 39, 64, 0.08);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a84b;
    transition: width 0.3s ease;
}

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

/* ── Mobile Menu Animation ── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Button Hover Effects ── */
button[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(212, 168, 75, 0.3);
}

button[type="submit"]:active {
    transform: translateY(0);
}

/* ── Input Focus ── */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(212, 168, 75, 0.15);
}

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

::-webkit-scrollbar-track {
    background: #fdf8e8;
}

::-webkit-scrollbar-thumb {
    background: #d4a84b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b88a2e;
}