/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

img {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

/* === Nav === */
.nav-fixed {
    transition: box-shadow 0.4s ease;
}

.nav-fixed.scrolled {
    box-shadow: 0 1px 0 rgba(27, 42, 74, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #C9A84C;
    transition: width 0.3s ease;
}

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

/* === Hamburger === */
.hamburger-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 1.5px;
    background: #1B2A4A;
    transition: all 0.3s ease;
}

.hamburger-line.top { top: 2px; }
.hamburger-line.middle { top: 50%; transform: translate(-50%, -50%); }
.hamburger-line.bottom { bottom: 2px; }

body.menu-open .hamburger-line.top {
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}

body.menu-open .hamburger-line.middle {
    opacity: 0;
}

body.menu-open .hamburger-line.bottom {
    bottom: auto;
    top: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* === Mobile Menu === */
.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    font-size: 0.85rem;
}

/* === Hero === */
.hero {
    position: relative;
}

/* === Divider === */
.divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(27, 42, 74, 0.1), transparent);
}

/* === Specialty Cards === */
.specialty-card {
    background: white;
    padding: 1.25rem;
    transition: all 0.4s ease;
    border: 1px solid rgba(27, 42, 74, 0.06);
}

.specialty-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(27, 42, 74, 0.08);
    border-color: transparent;
}

/* === Reveal Animations === */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

/* === Scroll Reveal (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Responsive === */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.15;
    }
}