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

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: #0d9488;
    color: #f0fdfa;
}

/* ─── Hero Animations ─── */
.hero-eyebrow {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-title {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-subtitle {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.hero-ctas {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Scroll Reveal ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Mobile Menu ─── */
#mobile-menu {
    transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.35s ease;
}

#mobile-menu.open {
    max-height: 500px;
    opacity: 1;
}

#mobile-menu.closed {
    max-height: 0;
    opacity: 0;
}

/* ─── Mobile Nav Links ─── */
.mobile-nav-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ─── Smooth image loading ─── */
img {
    display: block;
    max-width: 100%;
}

/* ─── Focus styles ─── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}