/* =========================================================
   Nicholas O'Mara — academic website
   Shared stylesheet. White background, dark earthy palette:
   near-black, deep forest green, deep navy.
   ========================================================= */

:root {
  --bg:        #ffffff;   /* page background */
  --surface:   #ffffff;   /* cards / panels */
  --surface-2: #f1f5f2;   /* faint cool panel for alt sections */
  --ink:       #141b18;   /* primary text (near-black, green-tinted) */
  --ink-soft:  #51605a;   /* secondary text */
  --line:      #e2e8e4;   /* borders / dividers */
  --accent:    #1d4533;   /* deep forest green */
  --accent-dk: #123426;   /* darker green (hover) */
  --navy:      #16314c;   /* deep blue (secondary accent) */
  --navy-dk:   #0f2336;
  --footer-bg: #10171a;   /* near-black footer */
  --shadow:    0 1px 2px rgba(20,27,24,.05), 0 10px 30px rgba(20,27,24,.07);
  --radius: 14px;
  --maxw: 1080px;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--navy); text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

/* ---------- layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section--tight { padding: 44px 0; }
.section-alt { background: var(--surface-2); }
.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 .6em;
}
.lead { font-size: 1.12rem; color: var(--ink-soft); }
.center { text-align: center; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav__brand {
  font-family: var(--serif); font-weight: 600; font-size: 1.12rem;
  color: var(--ink); text-decoration: none; letter-spacing: .01em;
}
.nav__brand:hover { color: var(--ink); text-decoration: none; }
.nav__brand span { color: var(--accent); }
.nav__links { display: flex; gap: 4px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: inline-block; padding: 8px 12px; border-radius: 8px;
  color: var(--ink); font-size: .95rem; font-weight: 500;
}
.nav__links a:hover { background: var(--surface-2); color: var(--accent); text-decoration: none; }
.nav__links a.active { color: var(--accent); }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; color: var(--ink); }
.nav__toggle svg { width: 26px; height: 26px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  padding: 11px 20px; border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  border: 1px solid var(--accent);
  transition: background .15s ease, transform .05s ease, border-color .15s ease;
}
.btn:hover { background: var(--accent-dk); border-color: var(--accent-dk); color: #fff; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--accent); }
.btn--ghost:hover { background: var(--accent); color: #fff; }

/* ---------- hero (plain, for interior pages) ---------- */
.hero { padding: 72px 0 48px; }
.hero__grid { display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: center; }
.hero__photo {
  width: 300px; height: 300px; border-radius: 50%;
  object-fit: cover; box-shadow: var(--shadow);
  border: 5px solid var(--surface);
}
.hero h1 { margin-bottom: .15em; }
.hero__role { font-size: 1.15rem; color: var(--ink-soft); margin: 0 0 1.1em; }
.hero__role strong { color: var(--ink); font-weight: 600; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 1.4em; }
.tag {
  background: var(--surface-2); color: var(--ink);
  border: 1px solid var(--line);
  padding: 5px 13px; border-radius: 999px; font-size: .85rem; font-weight: 500;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- hero with full-bleed image ---------- */
.hero--image { position: relative; color: #fff; padding: 104px 0 84px; overflow: hidden; }
.hero--image .hero__bg {
  position: absolute; inset: 0; background-size: cover; background-position: center 40%;
  transform: scale(1.02);
}
.hero--image .hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(15,28,23,.92) 0%, rgba(16,33,49,.78) 60%, rgba(16,33,49,.62) 100%);
}
.hero--image .hero__inner { position: relative; z-index: 1; }
.hero--image h1 { color: #fff; }
.hero--image .eyebrow { color: #93cdae; }
.hero--image .hero__role { color: rgba(255,255,255,.9); }
.hero--image .hero__role strong { color: #fff; }
.hero--image .tag { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.28); color: #fff; }
.hero--image .hero__photo { border-color: rgba(255,255,255,.85); }
.hero--image .btn--ghost { color: #fff; border-color: rgba(255,255,255,.65); }
.hero--image .btn--ghost:hover { background: #fff; color: var(--accent); border-color: #fff; }

/* ---------- social row ---------- */
.socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.socials a {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .9rem; font-weight: 500; color: var(--ink-soft);
  border: 1px solid var(--line); background: var(--surface);
  padding: 7px 13px; border-radius: 999px;
}
.socials a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.socials svg { width: 16px; height: 16px; }
.hero--image .socials a { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); color: #eef4f0; }
.hero--image .socials a:hover { background: #fff; color: var(--accent); border-color: #fff; }

/* ---------- full-width image band ---------- */
.band {
  position: relative; min-height: 360px;
  display: flex; align-items: flex-end;
  background-size: cover; background-position: center;
  color: #fff;
}
.band::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,19,16,.82) 0%, rgba(11,19,16,.25) 55%, rgba(11,19,16,.08) 100%);
}
.band__caption { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; width: 100%; padding: 0 24px 28px; }
.band__caption .eyebrow { color: #93cdae; margin-bottom: .35em; }
.band__caption h2 { color: #fff; margin: 0 0 .15em; }
.band__caption p { color: rgba(255,255,255,.88); margin: 0; max-width: 60ch; }

/* ---------- cards / themes ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card__icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2); color: var(--accent); margin-bottom: 16px;
}
.card__icon svg { width: 24px; height: 24px; }
.card p:last-child { margin-bottom: 0; }

/* card with image header */
.card--media { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card--media > img { width: 100%; height: 190px; object-fit: cover; }
.card--media .card__body { padding: 24px; }
.card--media .card__body p:last-child { margin-bottom: 0; }

/* ---------- media split (text + image) ---------- */
.media-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.media-split__img { width: 100%; height: 100%; max-height: 440px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.media-split figure { margin: 0; }
.media-split figcaption { font-size: .82rem; color: var(--ink-soft); margin-top: 8px; text-align: center; }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: 210px; object-fit: cover; border-radius: 10px; box-shadow: var(--shadow); }
.gallery figcaption { font-size: .8rem; color: var(--ink-soft); margin-top: 7px; }

/* ---------- publications lists ---------- */
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub { padding: 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 70px 1fr; gap: 20px; }
.pub:last-child { border-bottom: 0; }
.pub__year { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; color: var(--accent); }
.pub__title { font-weight: 600; color: var(--ink); }
.pub__authors { color: var(--ink-soft); font-size: .95rem; }
.pub__venue { font-style: italic; color: var(--ink-soft); font-size: .95rem; }
.pub__authors b { color: var(--ink); }
.pub__links { margin-top: 6px; }
.pub__links a { font-size: .82rem; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.pub__cite { color: var(--ink); line-height: 1.55; }
.pub__cite b { color: var(--ink); font-weight: 700; }
.pub__cite em { color: var(--ink-soft); font-style: italic; }
.badge {
  display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; padding: 3px 9px; border-radius: 999px;
  background: var(--surface-2); color: var(--navy); border: 1px solid var(--line);
  vertical-align: middle; margin-left: 6px;
}

/* ---------- timeline ---------- */
.tl { list-style: none; margin: 0; padding: 0; }
.tl__item { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.tl__item:last-child { border-bottom: 0; }
.tl__when { color: var(--accent); font-weight: 600; font-size: .95rem; }
.tl__what strong { display: block; color: var(--ink); }
.tl__what span { color: var(--ink-soft); font-size: .95rem; }

/* ---------- prose ---------- */
.prose p { max-width: 70ch; }
.prose ul { max-width: 70ch; padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 18px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-item svg { width: 22px; height: 22px; color: var(--accent); flex: 0 0 auto; margin-top: 3px; }
.contact-item .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }

/* ---------- footer ---------- */
.footer { background: var(--footer-bg); color: #c4cfca; padding: 44px 0; margin-top: 0; font-size: .92rem; }
.footer a { color: #e9f0ec; }
.footer a:hover { color: #fff; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; }
.footer__socials { display: flex; gap: 16px; }
.footer__socials a { display: inline-flex; }
.footer__socials svg { width: 20px; height: 20px; }

/* ---------- page header ---------- */
.page-head { padding: 56px 0 8px; }
.page-head h1 { margin-bottom: .2em; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .hero__photo { margin: 0 auto; order: -1; }
  .hero__tags, .hero__cta, .socials { justify-content: center; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .media-split { grid-template-columns: 1fr; gap: 26px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav__toggle { display: inline-flex; }
  .nav__links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
  }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 12px 8px; border-radius: 8px; }
  .pub { grid-template-columns: 1fr; gap: 6px; }
  .pub__year { font-size: 1rem; }
  .tl__item { grid-template-columns: 1fr; gap: 4px; }
  .section { padding: 48px 0; }
  .band { min-height: 280px; }
}