/* ==========================================================================
   Kalyanmoy Deb — University of Alabama
   Design system: Open Sans (body/UI) + Roboto Slab (headings/display)
   Theme: light, University of Alabama crimson and white
   ========================================================================== */

:root {
  --crimson: #9e1b32;
  --crimson-dark: #7a1526;
  --crimson-light: #c8324a;
  --crimson-wash: #fbeef0;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --gray-line: #e3e1de;
  --paper: #ffffff;
  --paper-soft: #faf8f6;
  --gold: #b98a2f;

  --font-body: "Open Sans", -apple-system, "Segoe UI", sans-serif;
  --font-display: "Roboto Slab", Georgia, serif;
  --font-code: "Courier New", Courier, monospace;

  --max-width: 1120px;
  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(26, 26, 26, 0.08);
  --shadow-md: 0 10px 30px rgba(26, 26, 26, 0.12);
  --transition: 220ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--crimson);
  text-decoration: none;
}

a:hover {
  color: var(--crimson-dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.kicker {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding: 56px 0;
}

.section-alt {
  background: var(--paper-soft);
}

.section-header {
  max-width: 720px;
  margin: 0 0 40px;
}

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 0.35em;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--crimson);
  color: #fff;
}

.btn-primary:hover {
  background: var(--crimson-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: var(--crimson);
  color: var(--crimson);
}

.btn-outline:hover {
  background: var(--crimson);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--gray-line);
}

.btn-ghost:hover {
  border-color: var(--crimson);
  color: var(--crimson);
}

/* ---------- Top bar / nav ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-line);
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 38px;
  width: auto;
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.brand-text span {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--crimson);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-soft);
  transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--crimson-wash);
  color: var(--crimson);
}

.nav-links a.nav-external i {
  margin-left: 6px;
  font-size: 0.75em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--gray-line);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 24px 20px;
    gap: 2px;
    display: none;
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 14px;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  background:
    radial-gradient(1100px 500px at 85% -10%, var(--crimson-wash) 0%, rgba(251, 238, 240, 0) 60%),
    var(--paper);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: -0.01em;
}

.hero .role {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--crimson);
  margin-bottom: 18px;
}

.hero .lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-portrait {
  position: relative;
  justify-self: center;
}

.hero-portrait .frame {
  width: min(360px, 100%);
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 6px solid #fff;
  outline: 1px solid var(--gray-line);
}

.hero-portrait .frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 860px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-portrait {
    order: -1;
  }
}

/* ---------- Stats ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--gray-line);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  background: var(--paper);
  padding: 26px 12px;
  text-align: center;
  min-width: 0;
}

.stat .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.1vw, 2rem);
  color: var(--crimson);
  line-height: 1;
  white-space: nowrap;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.stat .label {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.card i.card-icon {
  color: var(--crimson);
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---------- Timeline ---------- */

.timeline {
  position: relative;
  border-left: 2px solid var(--gray-line);
  margin-left: 8px;
  padding-left: 32px;
}

.timeline-item {
  position: relative;
  padding-bottom: 34px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--crimson);
  border: 3px solid var(--crimson-wash);
}

.timeline-item .when {
  font-family: var(--font-code);
  font-size: 0.82rem;
  color: var(--crimson);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.timeline-item h4 {
  margin: 4px 0 4px;
  font-size: 1.08rem;
}

.timeline-item p {
  color: var(--ink-soft);
  margin-bottom: 0;
  font-size: 0.96rem;
}

/* ---------- Honors list ---------- */

.honors-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--gray-line);
}

.honor-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-line);
}

.honor-row .year {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--crimson);
  font-size: 1.15rem;
}

.honor-row .desc strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

.honor-row .desc span {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ---------- Reports page ---------- */

.reports-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  background: var(--paper-soft);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 36px;
  position: sticky;
  top: 92px;
  z-index: 10;
}

.search-box {
  position: relative;
  flex: 1 1 280px;
}

.search-box i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-soft);
}

.search-box input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--gray-line);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: #fff;
}

.search-box input:focus {
  outline: 2px solid var(--crimson);
  outline-offset: 1px;
}

.year-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.year-jump select {
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid var(--gray-line);
  background: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.reports-count {
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.report-year-group {
  margin-bottom: 44px;
}

.report-year-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--ink);
  border-bottom: 3px solid var(--crimson);
  padding-bottom: 10px;
  margin-bottom: 18px;
}

.report-year-heading .count {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.report-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--gray-line);
}

.report-card .title {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 4px;
}

.report-card .authors {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

.report-card .authors strong {
  color: var(--ink);
}

.report-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.report-id {
  font-family: var(--font-code);
  font-size: 0.78rem;
  background: var(--paper-soft);
  border: 1px solid var(--gray-line);
  border-radius: 6px;
  padding: 3px 8px;
  color: var(--ink-soft);
}

.badge-new {
  background: var(--crimson);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 3px 10px;
}

.report-card .pdf-link {
  align-self: center;
  white-space: nowrap;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 2px solid var(--crimson);
  border-radius: 999px;
}

.report-card .pdf-link:hover {
  background: var(--crimson);
  color: #fff;
}

.report-card .no-pdf {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-style: italic;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-soft);
}

/* ---------- Footer ---------- */

footer {
  background: var(--ink);
  color: #cfcfcf;
  padding: 56px 0 28px;
  margin-top: 60px;
}

footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}

footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 14px;
}

footer a {
  color: #cfcfcf;
}

footer a:hover {
  color: #fff;
}

footer .foot-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

footer .foot-note {
  border-top: 1px solid #333;
  margin-top: 40px;
  padding-top: 20px;
  font-size: 0.82rem;
  color: #9a9a9a;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 720px) {
  footer .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Reveal-on-scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  padding: 64px 0 48px;
  background: linear-gradient(180deg, var(--crimson-wash) 0%, rgba(251, 238, 240, 0) 100%);
  border-bottom: 1px solid var(--gray-line);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.7rem);
}

.page-hero .lede {
  color: var(--ink-soft);
  max-width: 62ch;
  font-size: 1.05rem;
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.breadcrumb a {
  color: var(--ink-soft);
}

.breadcrumb a:hover {
  color: var(--crimson);
}

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-card {
  background: var(--paper-soft);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 34px;
}

.contact-line {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-line);
}

.contact-line:last-child {
  border-bottom: none;
}

.contact-line i {
  color: var(--crimson);
  font-size: 1.2rem;
  width: 24px;
  padding-top: 2px;
}

.contact-line strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 3px;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Utility ---------- */

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }