/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(135deg, #042f2e 0%, #134e4a 25%, #0d9488 50%, #115e59 75%, #042f2e 100%);
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion: keep everything visible */
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}
#navbar.scrolled .nav-link-color { color: #0f172a; }
#navbar.scrolled .nav-cta { background: #0d9488; }
#navbar.scrolled .nav-cta:hover { background: #0f766e; }

/* Hero nav state: light text */
#navbar .nav-link-color { color: rgba(255, 255, 255, 0.85); }
#navbar .nav-cta { background: rgba(255, 255, 255, 0.15); border: 1px solid rgba(255, 255, 255, 0.25); color: white; }
#navbar .nav-cta:hover { background: rgba(255, 255, 255, 0.25); }

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}
.mobile-link:last-child { border-bottom: none; }

/* ── Hero Animations ── */
@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -20px) scale(1.05); }
}
@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, 30px) scale(1.08); }
}
.hero-float-1 { animation: float1 8s ease-in-out infinite; }
.hero-float-2 { animation: float2 10s ease-in-out infinite; }

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f8fafc; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* ── Selection ── */
::selection { background: #ccfbf1; color: #134e4a; }