/* ─── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

/* ─── Skip Link ────────────────────────────────────── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.25rem;
    background: #1e3a5f;
    color: #fff;
    font-size: 0.875rem;
    border-radius: 0 0 8px 8px;
    z-index: 200;
    transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ─── Header ───────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(250, 250, 247, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(30, 58, 95, 0.06);
}

/* ─── Mobile Menu ──────────────────────────────────── */
#mobile-menu { z-index: 60; }
#mobile-menu.open { display: flex; }
#mobile-menu[aria-hidden="true"] { display: none; }
.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13, 31, 60, 0.3);
    backdrop-filter: blur(4px);
}
.mobile-menu-link {
    border-bottom: 1px solid rgba(30, 58, 95, 0.06);
}

/* ─── Hero ─────────────────────────────────────────── */
.hero {
    padding: 4rem 0 5rem;
    background: #fafaf7;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-eyebrow-line {
    width: 32px;
    height: 1px;
    background: #c9a84c;
    flex-shrink: 0;
}

.hero-image-wrap {
    position: relative;
}

.hero-image {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 7/9;
    position: relative;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-accent {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 12px;
    z-index: 0;
}

/* ─── Services ─────────────────────────────────────── */
.service-card {
    transition: background 0.3s ease;
}

.service-card:hover {
    background: #fafaf7;
}

/* ─── About ────────────────────────────────────────── */
.about-image-wrap {
    position: relative;
}

.about-image-main {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 6/7.5;
}

.about-image-main img,
.about-image-accent img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-image-accent {
    position: absolute;
    bottom: -2rem;
    right: -1rem;
    width: 48%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(13, 31, 60, 0.15);
    border: 4px solid #fafaf7;
}

/* ─── Gallery ──────────────────────────────────────── */
.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(13, 31, 60, 0.7), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-item-label {
    opacity: 1;
}

/* ─── Back to Top ──────────────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #1e3a5f;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    z-index: 40;
    box-shadow: 0 4px 16px rgba(13, 31, 60, 0.25);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #2a4d7a;
    transform: translateY(-2px);
}

/* ─── Reveal Animations ────────────────────────────── */
/* Default state: visible (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: none;
}

/* Animated state applied by JS only on prefers-reduced-motion: no-preference */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Responsive ───────────────────────────────────── */
@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
    .hero {
        padding: 6rem 0 7rem;
    }
}

@media (min-width: 1024px) {
    .hero-grid {
        gap: 5rem;
    }
}