/* ── alihasanain.com — Shared Design System ──
   All Tier 1 pages (homepage, writing, analysis) load this file.
   Page-specific styles go in local <style> blocks or separate CSS files.
   ──────────────────────────────────────────────── */

/* ── Design Tokens ── */
:root {
    --green: #006233;
    --green-hover: #008542;
    --black: #222;
    --gray: #555;
    --gray-light: #888;
    --border: #e0e0e0;
    --white: #fff;
    --bg: #fafaf8;
    --max-width: 780px;
    --font-serif: 'EB Garamond', 'Georgia', serif;
}

/* ── Reset ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 1.7;
    color: var(--black);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
.site-nav {
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 10px 28px;
    display: flex;
    gap: 18px;
    flex-wrap: nowrap;
    align-items: baseline;
    overflow-x: auto;
}

.nav-inner a {
    font-size: 14px;
    color: var(--gray);
    text-decoration: none;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.nav-inner a:hover,
.nav-inner a.active {
    color: var(--green);
}

.nav-inner a:first-child {
    font-weight: 600;
    color: var(--black);
}

/* ── Page Container ── */
.page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 28px;
}

/* ── Links ── */
a {
    color: var(--green);
}

a:hover {
    color: var(--green-hover);
}

/* ── Section Titles ── */
.section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 18px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--green);
    display: inline-block;
}

/* ── Footer ── */
footer {
    margin-top: 48px;
    padding: 20px 0 36px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--gray-light);
    text-align: center;
}

footer a {
    font-size: 14px;
}

/* ── Mobile ── */
@media (max-width: 600px) {
    .nav-inner {
        gap: 14px;
        padding: 10px 16px;
    }

    .page {
        padding: 0 16px;
    }
}