*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    line-height: 1.7;
}

.font-serif {
    font-family: 'Cormorant Garamond', serif;
}

::selection {
    background: rgba(13, 148, 136, 0.15);
    color: #0f172a;
}

/* ─── HERO ANIMATIONS ─── */
.hero-tag {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-line {
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.1s; }
.hero-line:nth-child(2) { animation-delay: 0.2s; }
.hero-line:nth-child(3) { animation-delay: 0.3s; }
.hero-line:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ─── SCROLL REVEAL (below fold only) ─── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal[data-revealed="false"] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    .hero-tag,
    .hero-line {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* ─── MOBILE MENU ─── */
#mobile-menu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.close {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ─── SERVICE CARDS ─── */
.service-card {
    transition: background-color 0.5s ease;
}

.service-card .service-icon {
    transition: color 0.5s ease;
}

/* ─── CUSTOM SELECT ─── */
select option {
    background: #fff;
    color: #1e293b;
    padding: 0.5rem;
}

/* ─── FOCUS STYLES ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 2px;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f8fafc;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}