/* ── Reset & Base ── */
*, *::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;
}

::selection {
    background: rgba(200, 164, 78, 0.25);
    color: #0f1c3f;
}

/* ── Hero Gradient ── */
.hero-gradient {
    background: 
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(22, 42, 82, 0.9) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(200, 164, 78, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(200, 164, 78, 0.1) 0%, transparent 60%),
        linear-gradient(160deg, #0a1128 0%, #162a52 40%, #0f1c3f 70%, #0a1128 100%);
}

/* ── Hero Animations ── */
.hero-subtitle {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.hero-title {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.5s;
}

.hero-desc {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.hero-cta {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Scroll Line Animation ── */
@keyframes scrollLine {
    0% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
        transform-origin: top;
    }
    100% {
        opacity: 0;
        transform: scaleY(1);
        transform-origin: bottom;
    }
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ── Scroll Reveal ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    will-change: opacity, transform;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-32px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(32px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ── Nav ── */
.nav-link {
    /* color inherited from parent */
}

.nav-link-btn {
    /* styles handled by Tailwind */
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(15, 28, 63, 0.06);
}

#navbar.scrolled .nav-link {
    color: #0f1c3f;
}

/* ── Mobile Menu ── */
.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* ── Section Labels & Titles ── */
.section-label {
    display: block;
}

.section-title {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 300;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
}

/* ── Divider ── */
.divider-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(15, 28, 63, 0.12) 20%, rgba(15, 28, 63, 0.12) 80%, transparent);
}

/* ── Menu Items ── */
.menu-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 7px;
}

.menu-item:last-child {
    border-bottom: none;
}

/* ── Button Hover States ── */
.hero-btn-primary {
    box-shadow: 0 4px 24px rgba(200, 164, 78, 0.25);
}

.hero-btn-primary:hover {
    box-shadow: 0 6px 32px rgba(200, 164, 78, 0.35);
    transform: translateY(-1px);
}

.hero-btn-secondary:hover {
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.08);
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #c8a44e;
    outline-offset: 4px;
    border-radius: 2px;
}

/* ── Image Hover ── */
.overflow-hidden {
    position: relative;
}

/* ── Smooth Scroll Offset for Anchors ── */
section[id] {
    scroll-margin-top: 80px;
}

/* ── Responsive ── */
@media (max-width: 767px) {
    section[id] {
        scroll-margin-top: 60px;
    }
}