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

:root {
    --cream: #f5f2ee;
    --paper: #fffdf9;
    --ink: #1a1814;
    --ink-mid: #4a4640;
    --ink-soft: #8a847c;
    --rule: #e4e0d8;
    --accent: #2c5f8a;
    --accent-h: #1e4266;
    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans: 'DM Sans', system-ui, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --max: 860px;
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--cream);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    min-height: 100vh;
}

/* ── Typography ───────────────────────────────────────── */
h1,
h2,
h3 {
    font-family: var(--serif);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-h);
}

/* ── Layout ───────────────────────────────────────────── */
.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

@media (min-width: 600px) {
    .container {
        padding: 0 2rem;
    }
}

/* ── Nav ──────────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(245, 242, 238, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rule);
}

.nav-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

@media (min-width: 600px) {
    .nav-inner {
        padding: 1rem 2rem;
    }
}

.nav-logo {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.01em;
    flex-shrink: 0;
}

.nav-logo:hover {
    color: var(--accent);
}

/* Desktop nav links + icons */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-mid);
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a.active {
    color: var(--accent);
}

.nav-icons {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.nav-icons a {
    display: flex;
    align-items: center;
    color: var(--ink-soft);
    transition: color var(--transition);
}

.nav-icons a:hover {
    color: var(--accent);
}

.nav-icons img,
.nav-icons svg {
    width: 18px;
    height: 18px;
}

/* Hamburger button — hidden on desktop */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--ink);
    transition: all 0.25s ease;
    transform-origin: center;
}

/* Animate hamburger → X when open */
.nav-toggle.open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile drawer */
.nav-drawer {
    display: none;
    flex-direction: column;
    background: rgba(245, 242, 238, 0.98);
    border-top: 1px solid var(--rule);
    padding: 0.5rem 1.25rem 1.25rem;
}

.nav-drawer.open {
    display: flex;
}

.nav-drawer .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.nav-drawer .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--rule);
}

.nav-drawer .nav-links a {
    display: block;
    padding: 0.75rem 0;
    font-size: 0.9rem;
}

.nav-drawer .nav-icons {
    margin-top: 1rem;
    gap: 1.25rem;
}

/* Switch to mobile layout below 560px */
@media (max-width: 560px) {
    .nav-toggle {
        display: flex;
    }

    .nav-inner .nav-links,
    .nav-inner .nav-icons {
        display: none;
    }
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--ink);
    color: var(--cream);
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--cream);
}

.btn-outline {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--ink);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Section headings ─────────────────────────────────── */
.section-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 1rem;
}

.divider {
    width: 40px;
    height: 1px;
    background: var(--ink-soft);
    margin: 1.5rem 0;
}

/* ── Footer ───────────────────────────────────────────── */
footer {
    margin-top: 6rem;
    padding: 2rem 0;
    border-top: 1px solid var(--rule);
    text-align: center;
    font-size: 0.78rem;
    color: var(--ink-soft);
    letter-spacing: 0.04em;
}

/* ── Fade-in cascade animation ────────────────────────── */
.fade-in {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.7s ease forwards;
}

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

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.25s;
}

.delay-3 {
    animation-delay: 0.42s;
}

.delay-4 {
    animation-delay: 0.6s;
}

.delay-5 {
    animation-delay: 0.78s;
}