/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(13, 148, 136, 0.2);
    color: #0f766e;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

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

    .reveal.delay-100 { transition-delay: 0.1s; }
    .reveal.delay-200 { transition-delay: 0.2s; }
    .reveal.delay-300 { transition-delay: 0.3s; }
    .reveal.delay-400 { transition-delay: 0.4s; }
    .reveal.delay-500 { transition-delay: 0.5s; }
}

/* ===== Navbar ===== */
#navbar.scrolled {
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #0d9488;
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
#mobileMenu.open {
    max-height: 320px;
}

#bar1 {
    transform-origin: center;
}

#bar2 {
    transform-origin: center;
}

#bar3 {
    transform-origin: center;
}

body.menu-open #bar1 {
    transform: translateY(4px) rotate(45deg);
}

body.menu-open #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

body.menu-open #bar3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ===== Hero Photo Float Animation ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@media (prefers-reduced-motion: no-preference) {
    #hero .relative.w-\[280px\] {
        animation: float 6s ease-in-out infinite;
    }
}

/* ===== Card Hover ===== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ===== Smooth Scroll Offset ===== */
section[id] {
    scroll-margin-top: 80px;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Custom Scrollbar ===== */
@media (min-width: 768px) {
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #fafaf9;
    }
    ::-webkit-scrollbar-thumb {
        background: #d1d5db;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #9ca3af;
    }
}

/* ===== Print ===== */
@media print {
    header, footer, #menuBtn { display: none; }
    body { color: #000; background: #fff; }
    section { page-break-inside: avoid; }
}