/* ===== Dark navy palette ===== */
:root {
  --navy:       #0a1330;   /* header / footer surface */
  --navy-deep:  #070c22;   /* deepest */
  --bg:         #080e24;   /* page background */
  --bg-alt:     #0d1533;   /* alt surface */
  --surface:    #101a40;   /* cards / panels */
  --surface-2:  #16224e;

  --accent:      #4d7cff;  /* bright navy-blue accent (bullets, active, glow) */
  --accent-soft: #7aa0ff;
  --link:        #85a6ff;

  --ink:   #f3f6ff;        /* headings / strong */
  --text:  #c3ccec;        /* body text */
  --muted: #8b95bd;        /* secondary text */
  --line:  rgba(255,255,255,.12);
  --gold:  #cbb374;        /* the "Fellow of..." line */

  /* legacy aliases kept so older rules resolve to the dark theme */
  --uf-blue: var(--navy);
  --uf-blue-dark: var(--navy-deep);
  --uf-orange: var(--accent);
  --bio: var(--text);

  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Helvetica Neue", Arial, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  line-height: 1.6;
  /* Single centered light source: a soft base wash behind everything */
  background-color: var(--bg);
  background-image: radial-gradient(circle at 50% 40%, rgba(70, 110, 210, .16), transparent 58%);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* The one light source: its core is too bright to see, only the glow/flare shows */
body::before {
  content: "";
  position: fixed;
  inset: -25%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(closest-side,
      rgba(205, 224, 255, .42) 0%,
      rgba(96, 150, 255, .34) 18%,
      rgba(72, 120, 255, .15) 44%,
      transparent 70%) 50% 40% / 1000px 1000px no-repeat;
  filter: blur(24px);
  translate: 0 var(--flare-shift, 0px);   /* scroll parallax (set via JS) */
  animation: flarePulse 12s ease-in-out infinite alternate;
}
@keyframes flarePulse {
  from { transform: scale(1);    opacity: .9; }
  to   { transform: scale(1.07); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 40px; }
a { color: var(--link); transition: text-shadow .18s ease, color .18s ease; }

/* Hover glow for inline text links (excludes card / icon / logo links) */
a:not(.link-card):not(.book):not(.logo):not(.linkedin):hover {
  text-shadow: 0 0 6px rgba(133, 166, 255, .7), 0 0 13px rgba(133, 166, 255, .5);
}

/* ===== Header ===== */
.topstrip { height: 4px; background: linear-gradient(90deg, var(--accent), #22306e 60%, transparent); }
.site-header { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 60; box-shadow: 0 2px 18px rgba(0,0,0,.5); }

.header-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 84px; }
.logo { display: flex; align-items: center; gap: 16px; text-decoration: none; color: #fff; }
.logo-name { font-size: 22px; font-weight: 700; }

.header-right { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.dept-link { color: #fff; text-decoration: none; font-weight: 700; font-size: 15px; }
.dept-link:hover { text-decoration: underline; }
.chev { color: var(--accent-soft); font-weight: 900; }

.header-tools { display: flex; align-items: center; gap: 16px; }
.icon-btn { background: none; border: 0; color: #fff; cursor: pointer; padding: 4px; display: inline-flex; }
.icon-btn:hover { color: var(--accent-soft); }
.tool-divider { width: 1px; height: 26px; background: rgba(255,255,255,.35); }

.dropdown { position: relative; }
.dropdown-btn {
  background: none; border: 0; color: #fff; cursor: pointer;
  font-weight: 700; font-size: 14px; letter-spacing: .5px; display: inline-flex; align-items: center; gap: 6px;
}
.caret { font-size: 12px; }
.dropdown-menu {
  position: absolute; right: 0; top: calc(100% + 12px); min-width: 220px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,.55); padding: 8px 0; display: none; z-index: 70;
}
.dropdown.open .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 9px 18px; color: var(--text); text-decoration: none; font-size: 14px; }
.dropdown-menu a:hover { background: var(--surface-2); color: #fff; }

/* Nav row */
.nav-row { border-top: 1px solid rgba(255,255,255,.14); }
.main-nav { display: flex; flex-wrap: nowrap; justify-content: center; gap: 26px; padding: 16px 0; }
.main-nav a {
  color: #eef1ff; text-decoration: none; font-size: 15px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; padding-bottom: 3px; white-space: nowrap;
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--accent-soft); }
.main-nav a.active { border-bottom: 3px solid var(--accent); color: #fff; }

/* Nav dropdown submenu */
.nav-item { position: relative; }
.nav-item.has-sub > a { position: relative; }
.nav-submenu {
  position: absolute; left: 50%; transform: translateX(-50%);
  top: calc(100% + 16px); min-width: 320px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 18px 44px rgba(0,0,0,.55); padding: 18px 22px; display: none; z-index: 70;
}
.nav-item.has-sub:hover .nav-submenu,
.nav-item.has-sub:focus-within .nav-submenu,
.nav-item.has-sub.open .nav-submenu { display: block; }
.nav-submenu a {
  display: block; color: var(--text); text-transform: none; font-weight: 500;
  font-size: 16px; letter-spacing: 0; padding: 7px 0; border: 0;
}
.nav-submenu a:hover { color: var(--accent-soft); }
.nav-submenu a.active { color: var(--accent); border: 0; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 3px; background: #fff; border-radius: 2px; }

/* ===== Profile (home) ===== */
.profile { padding: 40px 0 60px; }
.page-name { font-size: 62px; font-weight: 800; letter-spacing: -1px; margin: 10px 0 40px; color: var(--ink); }
.profile .container { text-align: center; }
.profile .page-name { text-align: center; }

.profile-body { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.profile-photo img { width: 260px; height: auto; display: block; border-radius: 6px; box-shadow: 0 10px 30px rgba(0,0,0,.5); }

.profile-info { max-width: 820px; }
.pi-name { margin: 0; font-size: 17px; color: var(--ink); }
.pi-fellow { margin: 2px 0 18px; color: var(--gold); font-size: 17px; }
.pi-titles { margin: 0 0 18px; color: var(--text); font-size: 17px; }
.pi-founder { margin: 0 0 8px; color: var(--text); font-size: 17px; }
.pi-founder a, .pi-links a { color: var(--link); text-decoration: underline; font-weight: 600; }
.pi-links { margin: 0; font-size: 17px; }

/* Bio prose */
.bio { margin: 40px auto 0; max-width: 1080px; }
.bio p { margin: 0 0 22px; color: var(--text); font-size: 18px; line-height: 1.65; }
.bio a { color: var(--link); text-decoration: underline; font-weight: 600; }

/* ===== Home category cards ===== */
.home-cards { padding: 10px 0 70px; }
.home-cards .section-eyebrow {
  text-transform: uppercase; letter-spacing: 2px; font-size: 13px; font-weight: 700;
  color: var(--accent-soft); margin: 0 0 18px;
}

.link-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 980px; margin-top: 6px; }
.link-card {
  position: relative; display: block; text-decoration: none; isolation: isolate;
  background: linear-gradient(160deg, #131f4c 0%, #0d1636 100%);
  border: 1px solid rgba(255,255,255,.12); border-radius: 16px;
  padding: 30px 30px; overflow: hidden;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
/* backlight glow */
.link-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: radial-gradient(120% 95% at 50% -12%, rgba(77,124,255,.5), transparent 62%);
  opacity: 0; transition: opacity .28s ease;
}
.link-card:hover {
  transform: translateY(-8px);
  border-color: rgba(122,160,255,.85);
  box-shadow: 0 0 0 1px rgba(122,160,255,.55),
              0 18px 50px rgba(77,124,255,.38),
              0 0 70px rgba(77,124,255,.28);
}
.link-card:hover::before { opacity: 1; }
.link-card h2 { margin: 0 0 8px; color: #fff; font-size: 24px; letter-spacing: .3px; }
.link-card p { margin: 0; color: var(--muted); font-size: 15px; }
.link-card .cta { display: inline-block; margin-top: 16px; color: var(--accent-soft); font-weight: 700; font-size: 14px; }
.link-card:hover .cta { color: #fff; }
@media (max-width: 640px) { .link-cards { grid-template-columns: 1fr; } }

/* Glowing card grid (Home + Academics): rectangular dark panels, centered,
   Explore button, cyan glow on hover, 2x2 layout */
.home-cards { text-align: center; }
.link-cards.cards-glow { grid-template-columns: repeat(2, 1fr); max-width: 820px; margin: 6px auto 0; }
.cards-glow .link-card {
  aspect-ratio: 4 / 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 34px 30px;
  background: linear-gradient(180deg, #141d3a 0%, #0d1530 100%);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .4);
}
.cards-glow .link-card::before {
  background: radial-gradient(110% 80% at 50% 0%, rgba(58, 160, 255, .34), transparent 66%);
}
.cards-glow .link-card:hover {
  transform: translateY(-6px);
  border-color: #3aa0ff;
  box-shadow: 0 0 0 1px #3aa0ff,
              0 0 44px rgba(58, 160, 255, .42),
              0 22px 55px rgba(0, 0, 0, .55);
}
.cards-glow .link-card h2 { font-size: 26px; }
.cards-glow .link-card p { max-width: 280px; color: var(--muted); }
.cards-glow .link-card .cta {
  margin-top: 26px; padding: 11px 26px;
  border: 1px solid rgba(255, 255, 255, .45); border-radius: 30px;
  color: #fff; font-weight: 700; font-size: 14px; letter-spacing: .3px;
  transition: border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.cards-glow .link-card:hover .cta {
  border-color: #3aa0ff; color: #fff; box-shadow: 0 0 16px rgba(58, 160, 255, .4);
}
@media (max-width: 560px) {
  .link-cards.cards-glow { grid-template-columns: 1fr; }
  .cards-glow .link-card { aspect-ratio: auto; }
}

/* 3-column card layout (Publications hub) */
.link-cards.cards-glow.cards-3 { grid-template-columns: repeat(3, 1fr); max-width: 1040px; }
.cards-glow.cards-3 .link-card { aspect-ratio: 3 / 2; padding: 26px 22px; }
.cards-glow.cards-3 .link-card h2 { font-size: 21px; }
.cards-glow.cards-3 .link-card.long-title h2 { font-size: 17px; }
@media (max-width: 860px) { .link-cards.cards-glow.cards-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .link-cards.cards-glow.cards-3 { grid-template-columns: 1fr; } }

/* ===== Arts gallery ===== */
.arts-page { padding: 24px 0 70px; }
.arts-page .page-name { margin-bottom: 8px; }
.arts-page .lead { margin: 0 0 16px; text-align: left; }
.art-intro { max-width: 860px; margin: 0 0 34px; text-align: left; }
.art-intro p { margin: 0 0 16px; color: var(--text); font-size: 17px; line-height: 1.7; }
.art-grid { column-count: 3; column-gap: 18px; }
.art-item {
  position: relative; isolation: isolate; display: block;
  margin: 0 0 18px; break-inside: avoid; border-radius: 10px;
}
/* Backlight bloom that lights up from behind the image on hover */
.art-item::before {
  content: ""; position: absolute; inset: -8%; z-index: -1; border-radius: 18px;
  background: radial-gradient(closest-side, rgba(58, 160, 255, .75), transparent 72%);
  filter: blur(26px); opacity: 0; transform: scale(.9);
  transition: opacity .3s ease, transform .3s ease;
}
.art-item:hover::before { opacity: 1; transform: scale(1); }
.art-item img {
  width: 100%; display: block; border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .45);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.art-item:hover img {
  transform: translateY(-5px) scale(1.015);
  border-color: #3aa0ff;
  box-shadow: 0 0 0 1px rgba(58, 160, 255, .55), 0 18px 44px rgba(0, 0, 0, .55);
}
@media (max-width: 900px) { .art-grid { column-count: 2; } }
@media (max-width: 560px) { .art-grid { column-count: 1; } }

/* Subtle artistic flourishes behind the Arts page (keeps the dark background) */
body[data-page="arts"]::after {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: -1;
  pointer-events: none;
  opacity: .9;
  background:
    radial-gradient(closest-side, rgba(255, 105, 105, .34), transparent) 10% 16% / 540px 540px no-repeat,
    radial-gradient(closest-side, rgba(80, 220, 200, .30), transparent) 88% 24% / 580px 580px no-repeat,
    radial-gradient(closest-side, rgba(255, 200, 90, .28), transparent) 74% 84% / 580px 580px no-repeat,
    radial-gradient(closest-side, rgba(190, 120, 255, .30), transparent) 16% 82% / 560px 560px no-repeat;
  filter: blur(34px);
  translate: 0 var(--flare-shift, 0px);   /* move with scroll */
}

/* ===== Book cover grid ===== */
.book-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 30px 26px; max-width: 1120px; margin-top: 10px;
}
.book { text-decoration: none; display: block; }
.book-cover {
  position: relative; aspect-ratio: 2 / 3; border-radius: 8px; overflow: hidden;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(160deg, #1c2d60, #0d1530);
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .45);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.book-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.book-fallback { padding: 18px; color: #fff; font-weight: 700; font-size: 15px; line-height: 1.35; }
.book:hover .book-cover {
  transform: translateY(-6px); border-color: #3aa0ff;
  box-shadow: 0 0 0 1px #3aa0ff, 0 0 40px rgba(58, 160, 255, .4), 0 18px 40px rgba(0, 0, 0, .55);
}
.book-caption { display: block; margin-top: 10px; color: var(--text); font-size: 13px; line-height: 1.35; text-align: center; }

/* ===== Breadcrumb bar (subpages) ===== */
.breadcrumb-bar { background: var(--bg-alt); border-bottom: 1px solid var(--line); }
.breadcrumb-bar .container { padding-top: 14px; padding-bottom: 14px; font-size: 15px; color: var(--muted); }
.breadcrumb-bar a { color: var(--accent-soft); text-decoration: none; }
.breadcrumb-bar a:hover { text-decoration: underline; }
.breadcrumb-bar .sep { margin: 0 8px; color: var(--muted); }

/* ===== Publications ===== */
.pub-page { padding: 24px 0 70px; }
.pub-warning { color: var(--gold); font-size: 17px; max-width: 1050px; margin: 8px 0 0; }
.pub-divider { width: 90px; border: 0; border-top: 2px solid var(--line); margin: 34px auto 26px; }
.pub-section-title { font-size: 44px; font-weight: 800; color: var(--ink); margin: 40px 0 20px; }

.pub-list { margin: 0 0 10px; padding-left: 40px; color: var(--text); }
.pub-list li { margin-bottom: 12px; font-size: 17px; line-height: 1.55; padding-left: 6px; }
.pub-list li::marker { color: var(--accent); font-weight: 700; }
.pub-title { color: var(--link); font-weight: 700; text-decoration: underline; }
.pub-title:hover { color: var(--accent-soft); }
.pub-title-plain { color: var(--text); }

@media (max-width: 560px) {
  .pub-section-title { font-size: 32px; }
  .pub-list li { font-size: 15px; }
}

/* ===== Awards & Honors page ===== */
.awards-page { padding: 24px 0 70px; }
.awards-subtitle { font-size: 40px; font-weight: 800; color: var(--ink); line-height: 1.12; margin: 48px 0 16px; }
.award-honor-list { list-style: none; padding: 0; margin: 0 0 10px; max-width: 1160px; }
.award-honor-list li {
  position: relative; padding: 8px 0 8px 26px; color: var(--text);
  font-size: 17px; line-height: 1.55;
}
.award-honor-list li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 9px; height: 9px; background: var(--accent);
  box-shadow: 0 0 8px rgba(77,124,255,.7);
}
.award-honor-list li strong { color: var(--ink); font-weight: 700; }
.award-honor-list li .item-note { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.5; }

/* ===== People page ===== */
.people-page { padding: 24px 0 70px; }
.people-section-title { font-size: 30px; font-weight: 800; color: var(--ink); margin: 40px 0 14px; }
.people-subhead { font-size: 20px; font-weight: 400; color: var(--text); margin: 26px 0 10px; }
.people-list { list-style: none; padding: 0; margin: 0 0 8px; }
.people-list li {
  position: relative; padding: 6px 0 6px 24px; color: var(--text);
  font-size: 17px; line-height: 1.5;
}
.people-list li::before {
  content: ""; position: absolute; left: 0; top: 12px;
  width: 9px; height: 9px; background: var(--accent);
}
.people-list li strong { color: var(--ink); font-weight: 700; }
.people-list.cols { column-count: 3; column-gap: 60px; max-width: 1140px; }
.people-list.cols li { break-inside: avoid; }

@media (max-width: 900px) { .people-list.cols { column-count: 2; } }
@media (max-width: 600px) { .people-list.cols { column-count: 1; } }

/* ===== Contact page ===== */
.contact-page { padding: 24px 0 70px; }
.contact-block { color: var(--text); font-size: 16px; max-width: 720px; }
.contact-block p { margin: 0 0 20px; line-height: 1.75; }
.contact-block .lead-name { color: var(--ink); }
.contact-block .label { font-weight: 700; color: var(--ink); }
.contact-block a { color: var(--link); text-decoration: underline; }
.contact-block a:hover { color: var(--accent-soft); }

/* ===== Sponsors ===== */
.sponsor-page { padding: 24px 0 70px; }
.sponsor-intro { font-weight: 700; color: var(--ink); font-size: 20px; margin: 6px 0 20px; }
.sponsor-list {
  list-style: none; padding: 0; margin: 0 0 10px; max-width: 1120px;
  column-count: 2; column-gap: 70px;
}
.sponsor-list li {
  break-inside: avoid; position: relative; padding: 7px 0 7px 24px;
  color: var(--text); font-size: 17px;
}
.sponsor-list li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 9px; height: 9px; background: var(--accent);
}
@media (max-width: 640px) { .sponsor-list { column-count: 1; } }

/* ===== Coming Soon ===== */
.coming-soon { text-align: center; padding: 110px 20px 140px; }
.coming-soon h1 { font-size: 52px; color: var(--ink); margin: 0 0 14px; }
.coming-soon p {
  font-size: 20px; color: var(--accent-soft); margin: 0; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 700;
}

/* ===== Page hero (subpages) ===== */
.page-hero { background: var(--navy); color: #fff; padding: 40px 0; }
.page-hero h1 { margin: 0 0 6px; font-size: 34px; }
.page-hero p { margin: 0; color: #dfe4ff; }
.breadcrumb { font-size: 13px; color: var(--accent-soft); margin-bottom: 10px; }
.breadcrumb a { color: var(--accent-soft); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ===== Generic content ===== */
.section { padding: 50px 0; }
.section-alt { background: var(--bg-alt); }
.lead { font-size: 17px; color: var(--text); max-width: 900px; }
.section-title { font-size: 26px; margin: 0 0 24px; position: relative; padding-bottom: 10px; color: var(--ink); }
.section-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 4px; background: var(--accent); border-radius: 2px; }
.subhead { color: var(--ink); font-size: 20px; margin: 32px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--line); }
.count-pill { display: inline-block; background: var(--surface-2); color: var(--muted); font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 20px; margin-left: 8px; vertical-align: middle; }
.note { background: var(--surface); border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 4px; color: var(--text); margin: 20px 0; }

.entry-list { list-style: none; padding: 0; margin: 0; max-width: 960px; }
.entry-list li { padding: 12px 0 12px 20px; border-bottom: 1px solid var(--line); position: relative; color: var(--text); }
.entry-list li::before { content: ""; position: absolute; left: 0; top: 20px; width: 8px; height: 8px; background: var(--accent); border-radius: 50%; }
.entry-list .yr { font-weight: 700; color: var(--accent-soft); }

.info-table { border-collapse: collapse; width: 100%; max-width: 660px; }
.info-table th { text-align: left; vertical-align: top; padding: 10px 16px 10px 0; color: var(--ink); white-space: nowrap; width: 150px; }
.info-table td { padding: 10px 0; border-bottom: 1px solid var(--line); }

.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.contact-side h3 { color: var(--ink); margin: 0 0 14px; }
.social { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; margin-bottom: 10px; text-decoration: none; font-weight: 600; color: var(--link); }
.social:hover { border-color: var(--accent); color: var(--accent-soft); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud span { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 8px 14px; font-size: 14px; font-weight: 600; color: var(--text); }

.course-table { width: 100%; border-collapse: collapse; max-width: 960px; }
.course-table th { background: var(--navy); color: #fff; text-align: left; padding: 12px 14px; font-size: 14px; }
.course-table td { padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--text); }
.course-table tr:nth-child(even) td { background: var(--bg-alt); }
.course-code { font-weight: 700; color: var(--accent-soft); white-space: nowrap; }

/* ===== Footer ===== */
.site-footer { background: var(--navy); color: #fff; border-top: 1px solid var(--line); padding: 50px 0 60px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; row-gap: 40px; align-items: start; }
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-brand .logo-name { font-size: 22px; font-weight: 700; }
.linkedin { color: #fff; background: var(--surface-2); width: 46px; height: 46px; border-radius: 8px; display: inline-grid; place-items: center; justify-self: end; transition: background .2s ease, box-shadow .2s ease; }
.linkedin:hover { background: var(--accent); box-shadow: 0 0 20px rgba(77,124,255,.6); }
.footer-contact { grid-column: 1 / -1; }
.footer-contact h3 { font-size: 24px; margin: 0 0 8px; position: relative; padding-bottom: 12px; }
.footer-contact h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 320px; max-width: 60%; height: 3px; background: var(--accent); }
.footer-contact p { margin: 16px 0 0; color: #cfd7f4; font-size: 16px; line-height: 1.7; }
.footer-contact strong { font-weight: 700; color: #fff; }
.footer-note { opacity: .6; font-size: 13px; margin-top: 20px !important; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .container { padding: 0 22px; }
  .nav-toggle { display: flex; }
  .header-right { display: none; }
  .nav-row { display: none; position: absolute; top: 84px; left: 0; right: 0; background: var(--navy-deep); border-top: 1px solid rgba(255,255,255,.14); }
  .nav-row.open { display: block; }
  .main-nav { flex-direction: column; gap: 0; padding: 6px 22px 16px; align-items: stretch; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .nav-item.has-sub .nav-submenu {
    position: static; transform: none; display: block; min-width: 0;
    background: transparent; border: 0; box-shadow: none; padding: 0 0 0 18px;
  }
  .nav-submenu a { color: #cfd6ff; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-submenu a:hover { color: #fff; }
  .page-name { font-size: 40px; }
  .profile-body { flex-direction: column; }
  .profile-photo img { width: 220px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .page-name { font-size: 32px; }
  .bio p { font-size: 16px; }
  .footer-inner { grid-template-columns: 1fr; }
  .linkedin { justify-self: start; }
}