/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Scroll Reveal ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Geometric Hero Shapes ── */
.geo-shape {
    position: absolute;
    pointer-events: none;
}

.geo-circle-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, transparent 70%);
    top: -100px;
    left: -150px;
    border-radius: 50%;
}

.geo-circle-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.1) 0%, transparent 70%);
    bottom: 10%;
    right: 5%;
    border-radius: 50%;
}

.geo-square-1 {
    width: 120px;
    height: 120px;
    background: rgba(13, 148, 136, 0.08);
    top: 20%;
    left: 5%;
    transform: rotate(45deg);
    border-radius: 8px;
}

.geo-triangle-1 {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(45, 212, 191, 0.06);
    bottom: 20%;
    left: 15%;
}

.geo-dots {
    width: 200px;
    height: 200px;
    background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 20px 20px;
    top: 30%;
    right: 10%;
}

/* Hero image clip */
.clip-hero-right {
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* ── Mobile Menu ── */
.menu-line {
    transition: all 0.3s ease;
}
#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menuBtn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-link {
    transition: color 0.2s ease;
}
.mobile-link:hover {
    color: #0d9488;
}

/* ── Selection ── */
::selection {
    background: #0d9488;
    color: white;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #0d9488; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #0f766e; }

/* ── Form select arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}