/* ===== Base & Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* ===== Geometric Shapes (Hero) ===== */
.geo-shape {
    position: absolute;
    opacity: 0.12;
    pointer-events: none;
}

.geo-circle-1 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 3px solid white;
    top: -100px;
    right: -80px;
    animation: float 8s ease-in-out infinite;
}

.geo-circle-2 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: white;
    bottom: 15%;
    left: 5%;
    animation: float 6s ease-in-out infinite reverse;
}

.geo-circle-3 {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid white;
    top: 40%;
    right: 10%;
    animation: float 7s ease-in-out infinite;
}

.geo-triangle {
    width: 0;
    height: 0;
    border-left: 80px solid transparent;
    border-right: 80px solid transparent;
    border-bottom: 140px solid white;
    top: 20%;
    left: 8%;
    animation: rotate 12s linear infinite;
    opacity: 0.08;
}

.geo-square {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 16px;
    bottom: 25%;
    right: 5%;
    animation: rotate 15s linear infinite;
    opacity: 0.06;
}

.geo-ring {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 4px solid white;
    top: 60%;
    left: 15%;
    animation: float 9s ease-in-out infinite;
    opacity: 0.1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Navigation ===== */
#navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

#navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-logo-text {
    color: #0f172a;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0d9488;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== Button Focus Styles ===== */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}