/* ── Custom Properties ── */
:root {
    --color-mint-300: #a8e6cf;
    --color-mint-400: #7ec8b8;
    --color-mint-500: #5fb8a5;
    --color-mint-600: #4a9e8c;
    --color-midnight-950: #030710;
    --color-midnight-900: #0b1f3c;
    --color-slate-800: #1e293b;
    --color-slate-700: #334155;
    --color-slate-600: #475569;
    --color-slate-500: #64748b;
    --color-slate-400: #94a3b8;
    --color-slate-300: #cbd5e1;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--color-midnight-950);
    color: #cbd5e1;
}

.font-playfair {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-inter {
    font-family: 'Inter', system-ui, sans-serif;
}

/* ── 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);
}

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(32px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .reveal[data-revealed="true"] {
        opacity: 1;
        transform: none;
    }
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(3, 7, 16, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(126, 200, 184, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-mint-400);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--color-mint-300);
}

/* ── Service Cards ── */
.service-card {
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s ease, background-color 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ── Gallery Images ── */
.gallery-img {
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-link {
    position: relative;
    padding-left: 0;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 100%;
    background: rgba(126, 200, 184, 0.08);
    border-radius: 6px;
    transition: width 0.2s ease;
}

.mobile-nav-link:hover::before {
    width: calc(100% + 12px);
    left: -12px;
}

/* ── Selection ── */
::selection {
    background: rgba(126, 200, 184, 0.25);
    color: var(--color-mint-300);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-midnight-950);
}

::-webkit-scrollbar-thumb {
    background: var(--color-slate-700);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-slate-600);
}

/* ── Utility ── */
.text-mint-300 { color: var(--color-mint-300); }
.text-mint-400 { color: var(--color-mint-400); }
.text-mint-500 { color: var(--color-mint-500); }
.bg-mint-500 { background-color: var(--color-mint-500); }
.bg-mint-600 { background-color: var(--color-mint-600); }
.border-mint-500 { border-color: var(--color-mint-500); }