:root {
  --paper: #f3efe6;
  --paper-light: #fbf8f1;
  --ink: #13241f;
  --muted: #61706a;
  --line: rgba(19, 36, 31, 0.14);
  --green: #1f6c59;
  --blue: #315f8f;
  --gold: #b17d2e;
  --dark: #0e201b;
  --white: #fffdf8;
  --shadow: 0 24px 70px rgba(22, 36, 31, 0.12);
  --radius: 1.75rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 0 3%, rgba(31, 108, 89, 0.14), transparent 29rem),
    radial-gradient(circle at 100% 12%, rgba(49, 95, 143, 0.15), transparent 28rem),
    var(--paper);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.3;
  background-image: linear-gradient(rgba(19, 36, 31, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(19, 36, 31, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 74%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 0.6rem;
  background: var(--dark);
  color: white;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0.85rem clamp(1.1rem, 4vw, 4.2rem);
  border-bottom: 1px solid var(--line);
  background: rgba(243, 239, 230, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  justify-self: start;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 50%;
  color: white;
  background: linear-gradient(135deg, #0ea5e9, #7c3aed);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 22px rgba(31, 108, 89, 0.23);
}

.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy strong { font-size: 0.96rem; }
.brand-copy small { margin-top: 0.2rem; color: var(--muted); font-size: 0.78rem; }

.nav { display: flex; gap: clamp(0.9rem, 2vw, 1.7rem); font-size: 0.9rem; color: var(--muted); }
.nav a { position: relative; }
.nav a::after { position: absolute; right: 0; bottom: -0.35rem; left: 0; height: 1px; content: ""; background: var(--ink); transform: scaleX(0); transition: transform 180ms ease; }
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }

.language-switcher {
  display: inline-flex;
  justify-self: end;
  gap: 0.18rem;
  padding: 0.22rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
}

.language-switcher button {
  justify-self: end;
  min-width: 2.4rem;
  padding: 0.42rem 0.58rem;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.language-switcher button:hover { color: var(--ink); }
.language-switcher button[aria-pressed="true"] { color: white; background: linear-gradient(135deg, #0ea5e9, #7c3aed); box-shadow: 0 5px 14px rgba(79, 119, 232, 0.2); }

.section-pad { padding: clamp(4.8rem, 9vw, 8.5rem) clamp(1.2rem, 6vw, 7.5rem); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  gap: clamp(2.2rem, 6vw, 6.5rem);
  align-items: start;
  min-height: auto;
  padding-top: clamp(3.8rem, 6vw, 5.8rem);
  padding-bottom: clamp(3.2rem, 5vw, 4.8rem);
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 1.1rem;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow.light { color: #8bd3bf; }

h1, h2, h3 { margin: 0; line-height: 1.05; }
h1, h2 { font-family: Newsreader, Georgia, serif; font-weight: 600; letter-spacing: -0.047em; }
h1 { max-width: 980px; font-size: clamp(3.8rem, 6.3vw, 6.5rem); }
h2 { font-size: clamp(2.5rem, 5vw, 5rem); }
h3 { font-size: 1.18rem; letter-spacing: -0.025em; }

.gradient-text {
  display: inline-block;
  color: transparent;
  background: linear-gradient(135deg, #0ea5e9 0%, #4f77e8 42%, #7c3aed 76%, #a855f7 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-tagline {
  margin: 1.2rem 0 0;
  color: var(--ink);
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-lede { max-width: 760px; margin: 0.8rem 0 0; color: var(--muted); font-size: clamp(1.08rem, 1.45vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.8rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.86rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button.primary { border-color: var(--dark); color: white; background: var(--dark); }
.button.secondary { background: rgba(255, 255, 255, 0.5); }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(22, 36, 31, 0.1); }

.profile-links { display: flex; flex-wrap: wrap; gap: 0.85rem 1.25rem; margin-top: 2rem; color: var(--muted); font-size: 0.86rem; }
.profile-links a { border-bottom: 1px solid var(--line); }
.profile-links span { color: var(--green); }

.profile-card {
  position: relative;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid rgba(19, 36, 31, 0.12);
  border-radius: 2.25rem;
  background: rgba(251, 248, 241, 0.78);
  box-shadow: var(--shadow);
}

.profile-card::before {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 4.5rem;
  height: 4.5rem;
  border: 1px solid rgba(31, 108, 89, 0.18);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 0.9rem rgba(31, 108, 89, 0.05), 0 0 0 1.8rem rgba(49, 95, 143, 0.03);
}

.portrait-wrap { position: relative; width: 8.8rem; margin-bottom: 1.6rem; }
.portrait-wrap img { display: block; width: 8.8rem; height: 8.8rem; object-fit: cover; object-position: center 6%; border: 5px solid white; border-radius: 50%; box-shadow: 0 16px 40px rgba(22, 36, 31, 0.18); }
.availability { position: absolute; right: 0.45rem; bottom: 0.35rem; width: 1.2rem; height: 1.2rem; border: 3px solid white; border-radius: 50%; background: #51a47f; }
.profile-kicker { margin: 0 0 0.35rem; color: var(--green); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.profile-card h2 { font-size: clamp(2rem, 3.2vw, 3rem); }
.profile-role { margin: 0.55rem 0 0; color: var(--muted); font-size: 1rem; }
.credential-list { display: grid; gap: 0.55rem; margin-top: 1.25rem; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.credential-list p { display: grid; grid-template-columns: minmax(8.5rem, 0.9fr) 1.1fr; gap: 0.8rem; margin: 0; font-size: 0.79rem; line-height: 1.35; }
.credential-list strong { color: var(--ink); }
.credential-list span { color: var(--muted); }
.profile-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.3rem; }
.profile-tags span { padding: 0.4rem 0.7rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, 0.55); font-size: 0.76rem; font-weight: 600; }
.profile-note { display: grid; grid-template-columns: 2rem 1fr; gap: 0.8rem; align-items: start; margin-top: 1.6rem; color: var(--muted); font-size: 0.87rem; }
.profile-note p { margin: 0; }
.note-rule { height: 1px; margin-top: 0.7rem; background: var(--gold); }

.signature-band {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 clamp(1.2rem, 6vw, 7.5rem);
  border-block: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.035), rgba(124, 58, 237, 0.04), rgba(255, 255, 255, 0.22));
}

.signature-band::before { position: absolute; top: -1px; right: clamp(1.2rem, 6vw, 7.5rem); left: clamp(1.2rem, 6vw, 7.5rem); height: 2px; content: ""; background: linear-gradient(90deg, #0ea5e9, #4f77e8 45%, #7c3aed 78%, transparent); }
.signature-band p { display: grid; grid-template-columns: auto 1fr auto; grid-template-rows: auto auto; gap: 0.05rem 0.85rem; align-items: center; margin: 0; padding: 1.35rem clamp(0.8rem, 3vw, 2.2rem); border-right: 1px solid var(--line); }
.signature-band p:first-child { border-left: 1px solid var(--line); }
.signature-band span { grid-row: 1 / 3; color: var(--blue); font-size: 0.68rem; font-weight: 700; }
.signature-band strong { font-size: 1rem; }
.signature-band small { color: var(--muted); font-size: 0.8rem; }
.signature-band em { grid-column: 3; grid-row: 1 / 3; padding-left: 0.9rem; border-left: 1px solid rgba(49, 95, 143, 0.16); color: transparent; background: linear-gradient(135deg, #0ea5e9, #7c3aed); background-clip: text; -webkit-background-clip: text; font-family: Newsreader, Georgia, serif; font-size: clamp(0.9rem, 1.3vw, 1.18rem); font-style: normal; font-weight: 600; letter-spacing: -0.02em; white-space: nowrap; }

.section-intro { display: grid; grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1.2fr); gap: 1.5rem clamp(2rem, 6vw, 6rem); align-items: start; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.section-intro .eyebrow { grid-column: 1 / -1; margin-bottom: -0.5rem; }
.section-intro > p:last-child { margin: 0.45rem 0 0; color: var(--muted); font-size: 1.02rem; line-height: 1.6; }
.section-intro.compact { max-width: 960px; }
.research-section .section-intro { grid-template-columns: minmax(420px, 1.08fr) minmax(380px, 0.92fr); column-gap: clamp(3rem, 6vw, 6.5rem); margin-bottom: clamp(2.5rem, 4.5vw, 4.5rem); }
.research-section .section-intro h2 { font-size: clamp(2.8rem, 4.5vw, 4.65rem); line-height: 1.03; }

.copy-emphasis { color: var(--ink); font-weight: 700; }
.gradient-emphasis { color: transparent; background: linear-gradient(110deg, #0ea5e9, #4f77e8 46%, #7c3aed 82%, #a855f7); background-clip: text; -webkit-background-clip: text; }
.gradient-emphasis.on-dark { background-image: linear-gradient(110deg, #67e8f9, #93c5fd 42%, #c084fc 82%, #e9d5ff); }
.marker-highlight { padding: 0 0.08em; color: var(--ink); background: linear-gradient(to top, rgba(14, 165, 233, 0.24) 0 38%, rgba(124, 58, 237, 0.13) 38% 68%, transparent 68%); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.light-emphasis { color: white; font-weight: 700; }

.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.research-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(251, 248, 241, 0.75); }
.research-visual { position: relative; overflow: hidden; height: 15rem; background: #102522; }
.research-visual::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: linear-gradient(to top, rgba(14, 32, 27, 0.3), transparent 58%); }
.research-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1), filter 650ms ease; }
.research-card:hover .research-visual img { transform: scale(1.035); filter: saturate(1.05); }
.research-visual span { position: absolute; right: 1rem; bottom: 0.8rem; z-index: 1; color: white; font-family: Newsreader, Georgia, serif; font-size: 2.6rem; }
.research-content { padding: 1.4rem; }
.branch-label { margin: 0 0 0.7rem; color: var(--green); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.math-notation { display: inline-flex; margin: -0.1rem 0 0.9rem; padding: 0.34rem 0.62rem; border: 1px solid rgba(49, 95, 143, 0.16); border-radius: 999px; color: var(--blue); background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(124, 58, 237, 0.08)); font-family: Newsreader, Georgia, serif; font-size: 0.86rem; font-weight: 600; letter-spacing: 0.01em; }
.research-content h3 { min-height: 2.5em; font-size: 1.3rem; }
.research-content > p:not(.branch-label):not(.math-notation) { min-height: 7.5em; color: var(--muted); font-size: 0.96rem; }
.research-content ul { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1.2rem 0 0; padding: 0; list-style: none; }
.research-content li { padding: 0.38rem 0.6rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 0.75rem; }
.branch-two .branch-label { color: var(--blue); }
.branch-three .branch-label { color: var(--gold); }

.impact-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  margin: 0 clamp(1rem, 4vw, 4rem);
  padding: clamp(3rem, 7vw, 6.5rem);
  border-radius: 2.5rem;
  color: white;
  background: radial-gradient(circle at 75% 0, rgba(91, 166, 146, 0.23), transparent 30rem), radial-gradient(circle at 5% 100%, rgba(49, 95, 143, 0.25), transparent 26rem), var(--dark);
}

.impact-copy h2 { max-width: 580px; }
.impact-copy > p:not(.eyebrow) { max-width: 540px; color: rgba(255, 255, 255, 0.65); }
.text-link { display: inline-flex; gap: 0.35rem; margin-top: 1rem; border-bottom: 1px solid rgba(255, 255, 255, 0.35); font-size: 0.9rem; font-weight: 700; }
.impact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: rgba(255, 255, 255, 0.12); }
.impact-grid article { position: relative; min-height: 195px; padding: 1.5rem; background: rgba(14, 32, 27, 0.96); }
.impact-grid span { color: #8bd3bf; font-size: 0.66rem; font-weight: 700; }
.impact-grid h3 { margin-top: 1.2rem; }
.impact-grid p { margin-bottom: 0; color: rgba(255, 255, 255, 0.68); font-size: 0.9rem; }
.teaching-section { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.teaching-section .section-intro { display: block; margin: 0; }
.teaching-section .section-intro .eyebrow { margin-bottom: 1.15rem; }
.teaching-section .section-intro h2 { max-width: 740px; }
.teaching-section .section-intro > p:last-child { max-width: 680px; margin-top: 1.5rem; }
.teaching-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.teaching-list span { padding: 0.9rem 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }
.teaching-evidence { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(260px, 0.72fr) minmax(520px, 1.28fr); column-gap: clamp(2rem, 5vw, 5rem); row-gap: 1.25rem; margin-top: clamp(1rem, 3vw, 2.5rem); padding-top: clamp(2.5rem, 5vw, 4.5rem); border-top: 1px solid var(--line); }
.evidence-heading h3 { max-width: 520px; font-family: Newsreader, Georgia, serif; font-size: clamp(1.9rem, 3.2vw, 3.35rem); font-weight: 500; line-height: 1.08; letter-spacing: -0.035em; }
.evidence-heading > p:last-child { max-width: 500px; margin-top: 1.25rem; color: var(--muted); font-size: 0.92rem; }
.evidence-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.85rem; }
.evidence-metric { position: relative; min-height: 220px; padding: 1.35rem; overflow: hidden; border: 1px solid var(--line); border-radius: 1.35rem; background: rgba(255, 253, 248, 0.68); }
.evidence-metric::after { position: absolute; right: -2.5rem; bottom: -3rem; width: 8rem; height: 8rem; border-radius: 999px; content: ""; background: radial-gradient(circle, rgba(14, 165, 233, 0.12), rgba(124, 58, 237, 0.02) 62%, transparent 70%); }
.evidence-metric strong { display: block; margin-bottom: 2.35rem; padding-top: 0.12em; color: #2563eb; background: linear-gradient(135deg, #0ea5e9, #7c3aed); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-family: Newsreader, Georgia, serif; font-size: clamp(2.45rem, 3.8vw, 4.05rem); font-weight: 500; line-height: 1.05; letter-spacing: -0.05em; }
.evidence-metric strong span { font-size: 0.46em; letter-spacing: -0.03em; }
.evidence-metric h4 { position: relative; z-index: 1; margin: 0 0 0.55rem; font-size: 0.92rem; }
.evidence-metric p { position: relative; z-index: 1; margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.55; }
.survey-source { grid-column: 2; margin: 0; color: var(--muted); font-size: 0.72rem; line-height: 1.5; }
.student-voices { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.student-quote { position: relative; min-height: 245px; margin: 0; padding: clamp(1.5rem, 3vw, 2.25rem); overflow: hidden; border: 1px solid rgba(124, 58, 237, 0.14); border-radius: 1.55rem; background: linear-gradient(145deg, rgba(14, 165, 233, 0.07), rgba(255, 253, 248, 0.82) 42%, rgba(124, 58, 237, 0.07)); }
.student-quote::after { position: absolute; top: -2.7rem; right: -0.35rem; content: "“"; color: rgba(124, 58, 237, 0.08); font-family: Newsreader, Georgia, serif; font-size: 12rem; line-height: 1; }
.student-quote blockquote { position: relative; z-index: 1; max-width: 650px; margin: 0; font-family: Newsreader, Georgia, serif; font-size: clamp(1.25rem, 2.35vw, 1.9rem); line-height: 1.28; letter-spacing: -0.025em; }
.student-quote figcaption { position: absolute; right: clamp(1.5rem, 3vw, 2.25rem); bottom: 1.5rem; left: clamp(1.5rem, 3vw, 2.25rem); z-index: 1; color: var(--muted); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.feedback-action { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; margin-top: 0.35rem; padding: clamp(1.5rem, 3.5vw, 2.6rem); border: 1px solid rgba(124, 58, 237, 0.15); border-radius: 1.55rem; background: linear-gradient(120deg, rgba(14, 165, 233, 0.08), rgba(124, 58, 237, 0.08) 58%, rgba(255, 253, 248, 0.72)); }
.feedback-action .eyebrow { margin-bottom: 0.8rem; }
.feedback-action h4 { max-width: 760px; margin: 0; font-family: Newsreader, Georgia, serif; font-size: clamp(1.45rem, 2.8vw, 2.4rem); font-weight: 500; line-height: 1.12; letter-spacing: -0.035em; }
.feedback-action div > p:last-child { max-width: 760px; margin: 1rem 0 0; color: var(--muted); font-size: 0.88rem; }
.feedback-action ul { display: grid; gap: 0.65rem; margin: 0; padding: 0; list-style: none; }
.feedback-action li { position: relative; padding: 0.85rem 1rem 0.85rem 2.35rem; border: 1px solid rgba(124, 58, 237, 0.12); border-radius: 999px; background: rgba(255, 255, 255, 0.42); color: var(--ink); font-size: 0.82rem; font-weight: 700; }
.feedback-action li::before { position: absolute; top: 50%; left: 1rem; width: 0.65rem; height: 0.65rem; border-radius: 999px; content: ""; background: linear-gradient(135deg, #0ea5e9, #7c3aed); transform: translateY(-50%); }

.people-section { padding-top: 2rem; padding-bottom: clamp(2.5rem, 4vw, 4rem); }
.people-section .section-intro { grid-template-columns: minmax(420px, 1.08fr) minmax(380px, 0.92fr); max-width: none; column-gap: clamp(4rem, 8vw, 9rem); }
.people-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.person-card { position: relative; display: flex; flex-direction: column; align-items: center; min-height: 375px; padding: 1.55rem; overflow: hidden; border: 1px solid var(--line); border-radius: 1.65rem; background: rgba(251, 248, 241, 0.72); text-align: center; }
.person-card img, .initials { display: grid; place-items: center; width: 112px; height: 112px; margin: 0 auto 1.25rem; object-fit: cover; object-position: center center; border: 1px solid rgba(255, 255, 255, 0.6); border-radius: 26px; color: white; background: linear-gradient(135deg, #0ea5e9, #7c3aed); box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.55); font-family: Newsreader, Georgia, serif; font-size: 1.65rem; transition: transform 240ms ease, box-shadow 240ms ease; }
.person-card:hover img, .person-card:hover .initials { transform: translateY(-4px) scale(1.025); box-shadow: 0 23px 55px rgba(15, 23, 42, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.55); }
.person-card h3 { font-size: 1.12rem; }
.person-card p { margin-bottom: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.55; }
.person-card .person-title { margin: 0.45rem 0 0; color: var(--ink); font-size: 0.84rem; font-weight: 700; }
.person-card .person-affiliation { min-height: 2.7em; margin: 0.18rem 0 0.7rem; color: var(--green); font-size: 0.78rem; font-weight: 600; }
.min-zhong { background: linear-gradient(135deg, #2563eb, #8b5cf6); }
.join-card { grid-column: 1 / -1; display: grid; grid-template-columns: 120px minmax(190px, 0.7fr) minmax(280px, 1.25fr) auto; grid-template-areas: "icon label text action" "icon title text action"; gap: 0.35rem 1.7rem; align-items: center; min-height: 250px; padding: 2.2rem; border-color: rgba(124, 58, 237, 0.2); background: linear-gradient(145deg, rgba(14, 165, 233, 0.12), rgba(124, 58, 237, 0.11) 54%, rgba(245, 158, 11, 0.1)); text-align: left; }
.join-card::before { position: absolute; inset: -35%; content: ""; background: radial-gradient(circle at 28% 28%, rgba(56, 189, 248, 0.2), transparent 30%), radial-gradient(circle at 72% 60%, rgba(168, 85, 247, 0.22), transparent 32%), radial-gradient(circle at 50% 90%, rgba(251, 191, 36, 0.14), transparent 28%); }
.join-card > * { position: relative; z-index: 1; }
.join-card .initials { grid-area: icon; margin: 0; color: white; background: linear-gradient(135deg, #0ea5e9, #7c3aed); font-family: inherit; font-size: 2.4rem; }
.join-card h3 { grid-area: title; align-self: start; font-family: Newsreader, Georgia, serif; font-size: 1.85rem; }
.join-card .branch-label { grid-area: label; align-self: end; color: #6d28d9; }
.join-card > p:not(.branch-label) { grid-area: text; margin: 0; font-size: 0.98rem; }
.join-button { grid-area: action; display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 48px; padding: 0.8rem 1.2rem; border-radius: 999px; color: white; background: linear-gradient(135deg, #0ea5e9, #7c3aed); box-shadow: 0 14px 32px rgba(124, 58, 237, 0.24); font-size: 0.92rem; font-weight: 700; white-space: nowrap; }
.join-button:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(124, 58, 237, 0.3); }

.contact-section { padding-top: clamp(1rem, 2vw, 2rem); }
.contact-card { max-width: 1180px; margin: 0 auto; padding: clamp(2rem, 6vw, 5.2rem); border: 1px solid var(--line); border-radius: 2.4rem; background: linear-gradient(120deg, rgba(255, 253, 248, 0.78), rgba(237, 242, 237, 0.8)); box-shadow: var(--shadow); text-align: center; }
.contact-card h2 { max-width: 900px; margin-inline: auto; }
.contact-card > p:not(.eyebrow) { max-width: 680px; margin: 1.2rem auto 0; color: var(--muted); }
.contact-email { display: inline-flex; gap: 0.4rem; margin-top: 2rem; padding-bottom: 0.25rem; border-bottom: 1px solid var(--ink); font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 700; }
.contact-profiles { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem 1.25rem; margin-top: 2rem; color: var(--muted); font-size: 0.86rem; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: 1.5rem clamp(1.2rem, 4vw, 4rem); border-top: 1px solid var(--line); color: var(--muted); font-size: 0.8rem; }
.site-footer p { margin: 0; }
.site-footer a { justify-self: end; }

.scroll-reveal { opacity: 0; filter: blur(8px); transform: translate3d(0, 42px, 0) scale(0.988); transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1), transform 900ms cubic-bezier(0.22, 1, 0.36, 1), filter 800ms ease; transition-delay: var(--reveal-delay, 0ms); will-change: opacity, transform, filter; }
.scroll-reveal.is-visible { opacity: 1; filter: blur(0); transform: translate3d(0, 0, 0) scale(1); }

@media (max-width: 1020px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .profile-card { max-width: 560px; }
  .research-grid { grid-template-columns: 1fr; }
  .research-section .section-intro { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr); column-gap: 2.5rem; }
  .research-card { display: grid; grid-template-columns: minmax(240px, 0.8fr) minmax(320px, 1.2fr); }
  .research-visual { height: 100%; min-height: 22rem; }
  .research-content > p:not(.branch-label) { min-height: auto; }
  .impact-panel { grid-template-columns: 1fr; }
  .people-section .section-intro { grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr); column-gap: 2.5rem; }
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .site-header { padding: 0.7rem 1rem; }
  .brand-copy small { font-size: 0; }
  .brand-copy small::after { content: "SRI Lab"; font-size: 0.7rem; }
  .language-switcher { gap: 0.08rem; padding: 0.16rem; }
  .language-switcher button { min-width: 1.9rem; padding: 0.38rem 0.4rem; font-size: 0.66rem; }
  .section-pad { padding-inline: 1.1rem; }
  .hero { padding-top: 4.5rem; padding-bottom: 3rem; }
  h1 { font-size: clamp(3rem, 14vw, 4.3rem); }
  .gradient-text { display: inline; }
  .credential-list p { grid-template-columns: 1fr; gap: 0.1rem; }
  .signature-band { grid-template-columns: 1fr; padding-inline: 1rem; }
  .signature-band p, .signature-band p:first-child { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
  .signature-band p:last-child { border-bottom: 0; }
  .section-intro { display: block; }
  .section-intro h2 { margin-bottom: 1rem; }
  .section-intro .eyebrow { margin-bottom: 1rem; }
  .section-intro > p:last-child { margin-top: 1rem; }
  .research-card { display: block; }
  .research-visual { height: 13rem; min-height: 0; }
  .impact-panel { margin-inline: 0.55rem; padding: 2rem 1.2rem; border-radius: 1.7rem; }
  .impact-grid { grid-template-columns: 1fr; }
  .teaching-section { grid-template-columns: 1fr; }
  .teaching-evidence { grid-template-columns: 1fr; }
  .evidence-metrics { grid-template-columns: 1fr; }
  .evidence-metric { min-height: 190px; }
  .evidence-metric strong { margin-bottom: 2rem; }
  .survey-source { grid-column: 1; }
  .student-voices { grid-template-columns: 1fr; }
  .student-quote { min-height: 270px; }
  .feedback-action { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: 1fr; }
  .person-card { text-align: center; }
  .person-card img, .initials { margin-inline: auto; }
  .join-card { display: flex; grid-column: auto; min-height: 360px; padding: 1.55rem; text-align: center; }
  .join-card .initials { margin-inline: auto; }
  .join-card .branch-label { margin-bottom: 0.7rem; }
  .join-card > p:not(.branch-label) { margin-top: 0.7rem; }
  .join-button { margin-top: auto; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .site-footer a { justify-self: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-reveal { opacity: 1; filter: none; transform: none; transition: none; }
  .button:hover { transform: none; }
  .research-card:hover .research-visual img { transform: none; filter: none; }
}