/* ── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; }

/* ── Utility: reveal (progressive enhancement) ───── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}
@media (prefers-reduced-motion: no-preference) {
    .reveal.is-hidden {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Navbar ───────────────────────────────────────── */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}
#navbar.scrolled {
    background: rgba(8, 13, 24, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(45, 212, 191, 0.1);
    padding: 0;
}
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2dd4bf;
    transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

.btn-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #0d9488, #14b8a6);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    padding: 8px 18px;
    border-radius: 10px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 2px 12px rgba(13, 148, 136, 0.35);
}
.btn-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.5);
    background: linear-gradient(135deg, #14b8a6, #2dd4bf);
}

/* ── Mobile menu ──────────────────────────────────── */
#mobile-menu.open { transform: translateX(0); }
#mobile-menu.closed { transform: translateX(100%); }
.mobile-link { transition: color 0.2s ease; }
.mobile-link:hover { color: #2dd4bf; }
#menu-btn[aria-expanded="true"] .line1 { transform: translateY(5px) rotate(45deg); }
#menu-btn[aria-expanded="true"] .line2 { opacity: 0; }
#menu-btn[aria-expanded="true"] .line3 { transform: translateY(-5px) rotate(-45deg); }

/* ── Badges ───────────────────────────────────────── */
.badge-teal {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.25);
    color: #5eead4;
    font-family: 'Outfit', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 50px;
}

/* ── Buttons ──────────────────────────────────────── */
.btn-primary, .btn-secondary, .btn-cta-primary, .btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
    background: linear-gradient(135deg, #0d9488, #14b8a6);
    color: #fff;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(13, 148, 136, 0.55);
    background: linear-gradient(135deg, #14b8a6, #2dd4bf);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #f1f5f9;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.btn-cta-primary {
    background: #fff;
    color: #0f766e;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    background: #f0fdfa;
}
.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ── Cards ────────────────────────────────────────── */
.card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 20px;
    padding: 28px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(45, 212, 191, 0.25);
}

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