/* =========================================================
   samirhannasafar.com — shared stylesheet
   Minimal & elegant theme
   ========================================================= */

:root {
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-faint: #8a8a8a;
  --line: #e6e3dd;
  --paper: #fbfaf7;
  --paper-2: #f3f1ea;
  --accent: #7c5e3b;       /* warm bronze */
  --accent-dark: #5e4628;
  --max: 1080px;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

a { color: var(--accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-dark); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); line-height: 1.15; letter-spacing: .2px; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin: 0 0 .3em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin: 0 0 .5em; }
h3 { font-size: 1.3rem; margin: 0 0 .3em; }

p { margin: 0 0 1em; color: var(--ink-soft); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; display: block; }
.brand .brand-text { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; color: var(--ink); letter-spacing: .3px; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: var(--ink-soft); font-size: .95rem; font-weight: 500;
  letter-spacing: .3px; position: relative; padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--accent);
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; font-size: 1.5rem; color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: 92px 0 72px; border-bottom: 1px solid var(--line); }
.hero .eyebrow {
  text-transform: uppercase; letter-spacing: 3px; font-size: .78rem;
  color: var(--accent); font-weight: 600; margin-bottom: 18px;
}
.hero p.lead { font-size: 1.25rem; max-width: 640px; color: var(--ink-soft); }
.hero-actions { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 12px 26px; border-radius: 2px;
  font-size: .95rem; font-weight: 500; letter-spacing: .3px;
  border: 1px solid var(--accent); cursor: pointer; transition: all .2s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--paper-2); color: var(--accent-dark); }

/* ---------- Page intro ---------- */
.page-head { padding: 72px 0 36px; border-bottom: 1px solid var(--line); }
.page-head .eyebrow {
  text-transform: uppercase; letter-spacing: 3px; font-size: .78rem;
  color: var(--accent); font-weight: 600; margin-bottom: 14px;
}
.page-head p { max-width: 640px; font-size: 1.1rem; }

/* ---------- Section ---------- */
.section { padding: 64px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-title { margin-bottom: 8px; }
.section-sub { color: var(--ink-faint); margin-bottom: 36px; font-size: 1.05rem; }

/* ---------- Cards / lists ---------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 4px;
  padding: 28px; transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0,0,0,.06); }
.card .meta { font-size: .82rem; letter-spacing: .5px; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: .98rem; color: var(--ink-soft); }
.card .card-link { display: inline-block; margin-top: 14px; font-weight: 500; font-size: .92rem; }
.card .card-link::after { content: " →"; }

.tag {
  display: inline-block; font-size: .72rem; letter-spacing: .5px;
  background: var(--paper-2); color: var(--ink-soft);
  padding: 3px 10px; border-radius: 100px; margin: 0 6px 6px 0;
}

/* ---------- Reference / paper list rows ---------- */
.ref-list { list-style: none; margin: 0; padding: 0; }
.ref-item { padding: 26px 0; border-bottom: 1px solid var(--line); }
.ref-item:first-child { padding-top: 0; }
.ref-item .meta { font-size: .8rem; letter-spacing: .5px; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 6px; }
.ref-item h3 { margin-bottom: 6px; }
.ref-item .authors { color: var(--ink-faint); font-size: .95rem; margin-bottom: 8px; }

/* ---------- Book list ---------- */
.book { display: flex; gap: 22px; align-items: flex-start; }
.book .cover {
  flex: 0 0 110px; width: 110px; height: 165px; border-radius: 3px;
  background: var(--paper-2); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); color: var(--ink-faint); font-size: .85rem;
  text-align: center; padding: 8px; overflow: hidden;
}
.book .cover img { width: 100%; height: 100%; object-fit: cover; }
.book .book-body { flex: 1; }

/* ---------- Product ---------- */
.product .status {
  display: inline-block; font-size: .72rem; letter-spacing: .5px;
  text-transform: uppercase; font-weight: 600; padding: 3px 10px;
  border-radius: 100px; margin-bottom: 12px;
}
.status.ready { background: #e7f3ea; color: #2f7d4a; }
.status.soon  { background: #fdf3e2; color: #9a6b16; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); padding: 48px 0; margin-top: 24px;
  background: var(--paper-2);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.site-footer p { margin: 0; color: var(--ink-faint); font-size: .9rem; }
.footer-links { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--ink-soft); font-size: .9rem; }

.empty-note { color: var(--ink-faint); font-style: italic; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--paper);
    border-bottom: 1px solid var(--line); padding: 8px 28px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
}