/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }

/* ── Hero Background ────────────────────────────────────── */
.hero-bg {
    background-image: url('https://images.pexels.com/photos/2889618/pexels-photo-2889618.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* ── Hero Animations ────────────────────────────────────── */
.hero-subtitle {
    animation: heroFadeUp 1s ease 0.3s forwards;
}
.hero-headline {
    animation: heroFadeUp 1s ease 0.5s forwards;
}
.hero-desc {
    animation: heroFadeUp 1s ease 0.7s forwards;
}
.hero-ctas {
    animation: heroFadeUp 1s ease 0.9s forwards;
}
.hero-scroll {
    animation: heroFadeUp 1s ease 1.2s forwards;
}

@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll Line ────────────────────────────────────────── */
.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50%      { opacity: 1;   transform: scaleY(1);   transform-origin: top; }
}

/* ── Scroll Reveal (progressive enhancement) ────────────── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}
@media (prefers-reduced-motion: no-preference) {
    .reveal-up   { opacity: 0; transform: translateY(32px); }
    .reveal-left  { opacity: 0; transform: translateX(-32px); }
    .reveal-right { opacity: 0; transform: translateX(32px); }
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: none;
    }
}

/* ── CTA Buttons ────────────────────────────────────────── */
.cta-primary {
    box-shadow: 0 4px 24px rgba(196, 154, 108, 0.3);
}
.cta-primary:hover {
    box-shadow: 0 8px 32px rgba(196, 154, 108, 0.45);
    transform: translateY(-2px);
}
.cta-secondary:hover {
    transform: translateY(-2px);
}

/* ── Navbar Transition ──────────────────────────────────── */
#site-header.scrolled {
    background: rgba(5, 16, 28, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* ── Mobile Nav ─────────────────────────────────────────── */
.mobile-nav-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
#mobile-nav.open .mobile-nav-link {
    opacity: 1;
    transform: none;
}
#mobile-nav.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-nav.open .mobile-nav-link:nth-child(2) { transition-delay: 0.2s; }
#mobile-nav.open .mobile-nav-link:nth-child(3) { transition-delay: 0.3s; }
#mobile-nav.open .mobile-nav-link:nth-child(4) { transition-delay: 0.4s; }

/* ── Focus Styles ───────────────────────────────────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #C49A6C;
    outline-offset: 2px;
}

/* ── Selection ──────────────────────────────────────────── */
::selection {
    background: rgba(196, 154, 108, 0.3);
    color: #0A1C33;
}

/* ── Smooth Image Loading ───────────────────────────────── */
img {
    background-color: #e8e4df;
}