/* ── Base & Typography ── */
:root {
    --plum-950: #271016;
    --plum-900: #4a222b;
    --plum-700: #6e2f40;
    --plum-600: #8a3d50;
    --plum-500: #a85568;
    --plum-300: #d9a3b4;
    --plum-200: #ebcdd8;
    --plum-100: #f5e9ee;
    --plum-50: #faf5f7;
    --amber-600: #d97706;
    --amber-400: #fbbf24;
    --amber-100: #fef3c7;
    --stone-50: #fafaf9;
}

*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 300;
    background-color: var(--stone-50);
    color: var(--plum-950);
    line-height: 1.6;
}

.font-cormorant {
    font-family: 'Cormorant Garamond', Georgia, serif;
}

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

/* ── Scroll Line Animation ── */
@keyframes scrollLine {
    0% { top: -16px; }
    100% { top: 48px; }
}

.scroll-line {
    animation: scrollLine 1.2s ease-in-out infinite;
}

/* ── Navbar Scroll State ── */
#navbar.scrolled {
    background-color: rgba(250, 250, 249, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(138, 61, 80, 0.08);
}

#navbar.scrolled .menu-line {
    background-color: var(--plum-950);
}

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

#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 1;
}

#mobile-menu .mobile-link {
    opacity: 0;
}

#mobile-menu .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Hamburger Animation ── */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.active .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}

#menu-toggle.active .menu-line:last-child {
    transform: rotate(-45deg) translate(2px, -2px);
    opacity: 0;
}

/* ── Service Items ── */
.service-item {
    transition: background-color 0.3s ease;
}

.service-item:hover {
    background-color: var(--plum-50);
}

.service-item:first-child {
    border-top: none;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}

/* ── Form Focus States ── */
input:focus, textarea:focus, select:focus {
    outline: none;
}

select {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a3d50' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ── Selection ── */
::selection {
    background-color: var(--plum-200);
    color: var(--plum-950);
}