/* ============================================================
   ASA Clinical Trials Certificate Program — styles.css
   ============================================================ */

/* Reset & base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy:       #0e2a47;
  --blue:       #1b5494;
  --blue-mid:   #2e75b6;
  --blue-light: #d6e8f7;
  --blue-pale:  #eef5fb;
  --gold:       #c8872a;
  --gold-light: #fdf3e3;
  --text:       #1a1a2e;
  --text-mid:   #4a5568;
  --text-light: #6b7280;
  --border:     #d1dce8;
  --white:      #ffffff;
  --radius:     8px;
  --radius-lg:  14px;
}

/* Quarto overrides — remove default chrome */
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  padding: 0 !important;
  margin: 0 !important;
}

#quarto-content,
main,
.page-full,
.page-layout-full > main {
  padding: 0 !important;
  margin: 0 !important;
  max-width: 100% !important;
}

/* Hide Quarto's default navbar (we build our own) */
#quarto-header,
.navbar,
nav.navbar {
  display: none !important;
}

#quarto-margin-sidebar,
#quarto-sidebar,
.sidebar {
  display: none !important;
}

h1, h2, h3, h4 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  line-height: 1.25;
}

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-badge {
  background: var(--gold);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  font-family: 'DM Sans', sans-serif;
}

.nav-title {
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  opacity: .9;
  font-family: 'DM Sans', sans-serif;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.nav-links a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color .2s;
  font-family: 'DM Sans', sans-serif;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a.nav-apply {
  background: var(--gold);
  color: var(--white);
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: opacity .2s;
}

.nav-links a.nav-apply:hover {
  opacity: .85;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.8);
  border-radius: 2px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue) 100%);
  padding: 88px 40px 76px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.06);
}

.hero::after {
  content: '';
  position: absolute;
  right: 60px;
  top: 40px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.04);
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.9);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  font-family: 'DM Sans', sans-serif;
}

.hero h1 {
  font-size: clamp(30px, 5.5vw, 52px);
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 600;
}

.hero h1 em {
  font-style: italic;
  font-weight: 300;
  color: rgba(255,255,255,.8);
}

.hero-lead {
  font-size: 18px;
  color: rgba(255,255,255,.8);
  max-width: 600px;
  line-height: 1.7;
  font-weight: 300;
  font-family: 'DM Sans', sans-serif;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 40px;
}

.hero-stat {
  padding: 16px 28px;
  border-left: 1px solid rgba(255,255,255,.15);
}

.hero-stat:first-child {
  padding-left: 0;
  border-left: none;
}

.hero-stat-num {
  font-family: 'Source Serif 4', serif;
  font-size: 34px;
  font-weight: 600;
  color: var(--white);
  display: block;
  line-height: 1;
}

.hero-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
  display: block;
  font-family: 'DM Sans', sans-serif;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.btn-primary {
  background: var(--gold);
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: opacity .2s;
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
}

.btn-primary:hover { opacity: .88; }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.35);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: background .2s;
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
}

.btn-outline:hover { background: rgba(255,255,255,.08); }

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */
.section-inner {
  max-width: 920px;
  margin: 0 auto;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 12px;
  font-family: 'DM Sans', sans-serif;
}

.section-title {
  font-size: clamp(22px, 3.5vw, 32px);
  color: var(--navy);
  margin-bottom: 14px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-mid);
  font-weight: 300;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 40px;
  font-family: 'DM Sans', sans-serif;
}

/* ============================================================
   ABOUT
   ============================================================ */
.section-about {
  background: var(--white);
  padding: 72px 40px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-card {
  background: var(--blue-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.about-icon {
  color: var(--blue-mid);
  margin-bottom: 14px;
  display: block;
}

.about-card h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.about-card p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.65;
  font-family: 'DM Sans', sans-serif;
}

/* ============================================================
   MODEL
   ============================================================ */
.section-model {
  background: var(--blue-pale);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 40px;
}

.module-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  margin-bottom: 32px;
}

.flow-step {
  flex: 1;
  padding: 28px 24px;
}

.flow-step--light {
  background: var(--white);
}

.flow-step--mid {
  background: var(--blue-pale);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.flow-step--dark {
  background: var(--navy);
}

.flow-arrow {
  display: flex;
  align-items: center;
  font-size: 20px;
  color: var(--blue-mid);
  padding: 0 4px;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  z-index: 1;
}

.flow-step-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 8px;
  font-family: 'DM Sans', sans-serif;
}

.flow-step--dark .flow-step-num { color: rgba(255,255,255,.6); }

.flow-step h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.flow-step--dark h3 { color: var(--white); }

.flow-step p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
  font-family: 'DM Sans', sans-serif;
}

.flow-step--dark p { color: rgba(255,255,255,.7); }

.session-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.session-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
}

.session-type {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
}

.session-card h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.session-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.65;
  font-family: 'DM Sans', sans-serif;
}

.session-tag {
  display: inline-block;
  margin-top: 14px;
  background: var(--gold-light);
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: 'DM Sans', sans-serif;
}

/* ============================================================
   SCHEDULE
   ============================================================ */
.section-schedule {
  background: var(--white);
  padding: 72px 40px;
}

.timeline {
  display: flex;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.tl-phase { flex: 1; }

.tl-phase:not(:last-child) {
  border-right: 1px solid var(--border);
}

.tl-head {
  padding: 16px 18px;
  background: var(--navy);
}

.tl-head--gold { background: var(--gold); }

.tl-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-bottom: 4px;
  font-family: 'DM Sans', sans-serif;
}

.tl-head h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}

.tl-body {
  padding: 16px 18px;
  background: var(--blue-pale);
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
  font-family: 'DM Sans', sans-serif;
  height: calc(100% - 68px);
}

.schedule-note {
  padding: 16px 20px;
  background: var(--gold-light);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--text-mid);
  font-family: 'DM Sans', sans-serif;
}

.schedule-note strong { color: var(--gold); }

/* ============================================================
   WHO SHOULD APPLY
   ============================================================ */
.section-who {
  background: var(--navy);
  padding: 72px 40px;
}

.section-who .section-label { color: rgba(200,135,42,.9); }
.section-who .section-title { color: var(--white); }
.section-who .section-sub   { color: rgba(255,255,255,.7); }

.who-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.who-card {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: rgba(255,255,255,.04);
}

.who-badge {
  display: inline-block;
  background: rgba(200,135,42,.2);
  color: rgba(200,135,42,.95);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  font-family: 'DM Sans', sans-serif;
}

.who-card h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.who-card p {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  line-height: 1.65;
  font-family: 'DM Sans', sans-serif;
}

/* ============================================================
   APPLICATION
   ============================================================ */
.section-apply {
  background: var(--blue-pale);
  border-top: 1px solid var(--border);
  padding: 72px 40px;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  align-items: start;
}

.app-components {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.app-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.app-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue);
}

.app-item-text h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.app-item-text p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.55;
  font-family: 'DM Sans', sans-serif;
}

.app-prompts {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.app-prompts ol {
  margin-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.app-prompts li {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
  font-family: 'DM Sans', sans-serif;
}

.app-prompts li em {
  color: var(--text-light);
  font-style: italic;
}

.app-cta-box {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 80px;
}

.app-cta-box h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 22px;
  color: var(--white);
  font-weight: 600;
}

.app-cta-box > p {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  line-height: 1.6;
  font-family: 'DM Sans', sans-serif;
}

.cohort-badge {
  background: rgba(200,135,42,.15);
  border: 1px solid rgba(200,135,42,.3);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.cohort-num {
  font-family: 'Source Serif 4', serif;
  font-size: 32px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
}

.cohort-label {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  line-height: 1.45;
  font-family: 'DM Sans', sans-serif;
}

.btn-apply {
  background: var(--gold);
  color: var(--white);
  padding: 14px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  text-align: center;
  display: block;
  transition: opacity .2s;
  font-family: 'DM Sans', sans-serif;
}

.btn-apply:hover { opacity: .88; color: var(--white); }

.app-contact {
  font-size: 12px;
  color: rgba(255,255,255,.45);
  text-align: center;
  font-family: 'DM Sans', sans-serif;
}

.app-contact a {
  color: rgba(255,255,255,.55);
  text-decoration: none;
}

.app-contact a:hover {
  color: rgba(255,255,255,.8);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 28px 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer p {
  font-size: 13px;
  color: rgba(255,255,255,.45);
  font-family: 'DM Sans', sans-serif;
}

.site-footer a {
  color: rgba(255,255,255,.5);
  text-decoration: none;
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  transition: color .2s;
}

.site-footer a:hover { color: rgba(255,255,255,.8); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-inner { padding: 14px 20px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 14px;
    border-top: 1px solid rgba(255,255,255,.1);
    z-index: 200;
  }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }

  .hero { padding: 56px 20px 48px; }
  .hero-stats { gap: 0; }
  .hero-stat { padding: 12px 20px; }
  .hero-stat:first-child { padding-left: 0; }

  .section-about,
  .section-model,
  .section-schedule,
  .section-who,
  .section-apply { padding: 52px 20px; }

  .about-grid,
  .session-grid,
  .who-grid { grid-template-columns: 1fr; }

  .app-grid { grid-template-columns: 1fr; }
  .app-cta-box { position: static; }

  .timeline { flex-direction: column; }
  .tl-phase:not(:last-child) { border-right: none; border-bottom: 1px solid var(--border); }

  .module-flow { flex-direction: column; }
  .flow-arrow { justify-content: center; padding: 6px; transform: rotate(90deg); }
  .flow-step--mid { border-left: none; border-right: none; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

  .site-footer { padding: 24px 20px; }
  .footer-inner { flex-direction: column; gap: 6px; }
}