/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { margin: 0; }
img, video { max-width: 100%; height: auto; display: block; }

/* ── Custom Properties ── */
:root {
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-300: #5eead4;
    --teal-100: #ccfbf1;
    --slate-950: #020617;
    --slate-850: #1e293b;
}

/* ── Section Labels & Titles ── */
.section-label {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--teal-600);
}

.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 900;
    line-height: 1.1;
    color: var(--slate-950);
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
#navbar.scrolled {
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-logo-text { transition: color 0.4s ease; }
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--teal-300);
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Hero Animations ── */
.hero-subtitle { transition: opacity 0.8s ease, transform 0.8s ease; }
.hero-headline { transition: opacity 0.8s ease 0.15s, transform 0.8s ease 0.15s; }
.hero-tagline { transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s; }
.hero-ctas { transition: opacity 0.8s ease 0.45s, transform 0.8s ease 0.45s; }

.hero-animate .hero-subtitle { opacity: 1 !important; transform: translateY(0) !important; }
.hero-animate .hero-headline { opacity: 1 !important; transform: translateY(0) !important; }
.hero-animate .hero-tagline { opacity: 1 !important; transform: translateY(0) !important; }
.hero-animate .hero-ctas { opacity: 1 !important; transform: translateY(0) !important; }

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}
.mobile-nav-link {
    font-family: 'Playfair Display', Georgia, serif;
}

/* ── Scroll Indicator ── */
.scroll-indicator { transition: opacity 0.3s ease; }
.scroll-indicator:hover { opacity: 0.8; }

/* ── Card Hover ── */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ── Selection ── */
::selection {
    background: var(--teal-300);
    color: var(--slate-950);
}
</style>