/* ============================================
   ISEV-SNEV Mentorship Program
   Clean academic default stylesheet
   ============================================ */

:root {
  --navy: #0f2a44;
  --navy-700: #1b3a5b;
  --navy-500: #30547a;
  --ink: #15202b;
  --muted: #55657a;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-tint: #eef2f7;
  --accent: #b08a3e;         /* muted academic gold */
  --accent-soft: #f4ecd8;
  --success: #1f7a4d;
  --success-soft: #e6f4ec;
  --danger: #a3341f;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15,42,68,0.06), 0 1px 1px rgba(15,42,68,0.04);
  --shadow-md: 0 6px 18px rgba(15,42,68,0.08), 0 2px 6px rgba(15,42,68,0.05);
  --maxw: 1120px;
  --font-serif: "Georgia", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Inter", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--navy-700); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.005em;
}

h1 { font-size: clamp(2rem, 3.2vw + 1rem, 3.1rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 1.4vw + 1rem, 1.9rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

p { margin: 0 0 1em 0; }

/* ----- Layout ----- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section { padding: 4rem 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: none; }
.section-soft { background: var(--bg-soft); }

/* ----- Header / Nav ----- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 0;
}
.brand {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-serif); font-weight: 700; color: var(--navy);
  font-size: 1.05rem; text-decoration: none;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-weight: 700; font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.nav-links { display: flex; gap: 1.4rem; align-items: center; }
.nav-links a:not(.btn) {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:not(.btn):hover { color: var(--navy); }
.nav-links .btn { padding: 0.45rem 0.9rem; font-size: 0.9rem; }

@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
}

/* ----- Hero ----- */
.hero {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, #fbfcfe 0%, #f4f7fb 100%);
  border-top: none;
}
.eyebrow {
  display: inline-block;
  font-size: 0.82rem; font-weight: 600;
  color: var(--navy-500);
  text-transform: uppercase; letter-spacing: 0.14em;
  margin-bottom: 1rem;
}
.hero p.lede {
  font-size: 1.18rem;
  color: var(--muted);
  max-width: 640px;
}
.hero-cta { margin-top: 1.6rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-700); color: #fff; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-tint); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #8f6f2e; color: #fff; }
.btn[disabled], .btn.is-disabled {
  opacity: 0.55; pointer-events: none;
}

/* ----- Cards / Grids ----- */
.grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.3rem 1.2rem;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-top: 0; }
.card .card-meta { font-size: 0.85rem; color: var(--muted); }

/* Steps */
.steps { counter-reset: step; }
.steps .card {
  position: relative; padding-left: 3.25rem;
}
.steps .card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1.1rem; top: 1.15rem;
  width: 1.7rem; height: 1.7rem;
  border-radius: 50%;
  background: var(--navy); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-weight: 700;
  font-size: 0.95rem;
}

/* Two-column split */
.split {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 820px) {
  .split { grid-template-columns: 1fr 1fr; }
}

/* ----- Lists ----- */
.clean-list { padding-left: 1.1rem; margin: 0.2rem 0 0.8rem; }
.clean-list li { margin-bottom: 0.35rem; }

/* ----- FAQ ----- */
details.faq {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}
details.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
details.faq summary::after {
  content: "+"; font-family: var(--font-serif); font-size: 1.2rem; color: var(--muted);
}
details.faq[open] summary::after { content: "-"; }
details.faq .faq-body { padding-top: 0.5rem; color: var(--ink); }

/* ----- Footer ----- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--muted);
  padding: 2rem 0;
  font-size: 0.92rem;
}
.site-footer .footer-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .site-footer .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.site-footer a { color: var(--navy); }

/* ============================================
   Prototype-specific styles
   ============================================ */
.proto-banner {
  background: var(--accent-soft);
  border-bottom: 1px solid #e8d9a9;
  color: #6a4e17;
  font-size: 0.9rem;
  padding: 0.6rem 0;
  text-align: center;
}
.proto-banner strong { color: #4e3810; }

.stepper {
  display: flex; gap: 0; align-items: center;
  flex-wrap: wrap;
  margin: 0 0 2rem;
  font-size: 0.88rem;
}
.stepper .step {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--muted);
  padding: 0.3rem 0.2rem;
}
.stepper .step .dot {
  width: 1.4rem; height: 1.4rem; border-radius: 50%;
  background: var(--bg-tint); color: var(--muted);
  display: grid; place-items: center;
  font-weight: 700; font-size: 0.8rem;
  border: 1px solid var(--line);
}
.stepper .step.active { color: var(--navy); font-weight: 600; }
.stepper .step.active .dot { background: var(--navy); color: #fff; border-color: var(--navy); }
.stepper .step.done .dot { background: var(--success); color: #fff; border-color: var(--success); }
.stepper .sep {
  width: 1.5rem; height: 1px; background: var(--line); margin: 0 0.35rem;
}

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.choice-row {
  display: grid; gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.2rem;
}
@media (min-width: 700px) {
  .choice-row { grid-template-columns: 1fr 1fr; }
}
.choice {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
}
.choice:hover { border-color: var(--navy-500); box-shadow: var(--shadow-sm); }
.choice.selected { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(15,42,68,0.08); }
.choice h3 { margin: 0 0 0.3rem; }
.choice p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.match-grid {
  display: grid; gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 1.5rem;
}
.match-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.3rem;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.match-card .avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--bg-tint);
  color: var(--navy);
  display: grid; place-items: center;
  font-family: var(--font-serif); font-weight: 700; font-size: 1.4rem;
  margin-bottom: 0.8rem;
  border: 1px solid var(--line);
}
.match-card .code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem; color: var(--muted);
  letter-spacing: 0.06em;
}
.match-card .score {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 0.78rem; font-weight: 700;
  color: var(--success);
  background: var(--success-soft);
  padding: 0.2rem 0.55rem; border-radius: 999px;
}
.match-card dl {
  margin: 0.6rem 0 1rem; padding: 0;
  display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 0.8rem;
  font-size: 0.92rem;
}
.match-card dt { color: var(--muted); }
.match-card dd { margin: 0; color: var(--ink); }
.match-card .tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 1rem; }
.match-card .tag {
  background: var(--bg-tint);
  color: var(--navy-700);
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.match-card .actions {
  margin-top: auto;
  display: flex; gap: 0.5rem;
}
.match-card.selected {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15,42,68,0.08);
}
.match-card .select-label {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.9rem; color: var(--muted);
}

.status-pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 600;
  padding: 0.3rem 0.7rem; border-radius: 999px;
  background: var(--bg-tint); color: var(--navy-700);
  border: 1px solid var(--line);
}
.status-pill.green { background: var(--success-soft); color: var(--success); border-color: #c6e5d3; }
.status-pill.gold { background: var(--accent-soft); color: #6a4e17; border-color: #e8d9a9; }

.reveal-card {
  margin: 1.5rem 0;
  background: linear-gradient(180deg, #fff 0%, #fbfaf3 100%);
  border: 1px solid #e8d9a9;
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: var(--shadow-md);
}
.reveal-card .avatar { width: 72px; height: 72px; font-size: 1.6rem; }

.nav-proto {
  display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap;
}

.callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--navy-500);
  padding: 1rem 1.2rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink);
  margin: 1rem 0;
  font-size: 0.95rem;
}
.callout strong { color: var(--navy); }

/* ============================================
   Application form
   ============================================ */
.apply-form {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-section {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem 1.5rem;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.form-section legend {
  padding: 0 0.4rem;
  margin-left: -0.4rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--navy);
  font-size: 1.1rem;
}
.form-section .field-help {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  margin: 0.25rem 0 0.75rem;
}

.grid-form {
  display: grid;
  gap: 1rem 1.2rem;
  grid-template-columns: 1fr;
  margin-top: 0.6rem;
}
@media (min-width: 640px) {
  .grid-form { grid-template-columns: 1fr 1fr; }
  .grid-form .full { grid-column: 1 / -1; }
}

.apply-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}

.apply-form input[type="text"],
.apply-form input[type="email"],
.apply-form select,
.apply-form textarea {
  font: inherit;
  color: var(--ink);
  background: #fff;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-weight: 400;
  width: 100%;
}
.apply-form textarea { resize: vertical; min-height: 5rem; }
.apply-form input:focus,
.apply-form select:focus,
.apply-form textarea:focus {
  outline: none;
  border-color: var(--navy-500);
  box-shadow: 0 0 0 3px rgba(15,42,68,0.08);
}
.apply-form input:invalid:not(:placeholder-shown),
.apply-form textarea:invalid:not(:placeholder-shown) {
  border-color: #c79288;
}

.apply-form .req { color: var(--accent); margin-left: 0.1rem; }

/* Role choice cards (radio-styled) */
.role-row {
  display: grid; gap: 0.9rem;
  grid-template-columns: 1fr;
  margin-top: 0.5rem;
}
@media (min-width: 700px) { .role-row { grid-template-columns: 1fr 1fr; } }

.role-choice {
  display: flex; align-items: flex-start; gap: 0.8rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  cursor: pointer;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-weight: 500;
}
.role-choice:hover { border-color: var(--navy-500); }
.role-choice input[type="radio"] {
  margin-top: 0.25rem;
  accent-color: var(--navy);
  width: auto;
}
.role-choice strong {
  display: block;
  color: var(--navy);
  font-family: var(--font-serif);
  font-weight: 700;
  margin-bottom: 0.15rem;
}
.role-choice span {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.93rem;
}
.role-choice.selected {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15,42,68,0.08);
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.55rem 0;
  font-weight: 400;
  font-size: 0.95rem;
}
.check-row input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--navy);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}

.form-status {
  margin: 0.4rem 0 0;
  font-size: 0.93rem;
  min-height: 1.2em;
}
.form-status.error { color: var(--danger); }
.form-status.success { color: var(--success); }

/* Honeypot: visually hidden but not display:none (bots skip that) */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* Small button variant, for inline mail-the-committee links */
.btn.btn-small {
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  line-height: 1.3;
}

/* Two-tier career-topics picker */
.topics-subsection {
  margin-top: 1.1rem;
  border-left: 3px solid var(--navy);
  padding-left: 0.9rem;
}
.topics-subsection:first-child { margin-top: 0.6rem; }
.topics-subsection#topicsSecondary { border-left-color: var(--accent); }
.topic-tier-label {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin: 0 0 0.15rem;
  color: var(--navy);
}

/* Ranked career topics picker */
.topics-grid {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  background: var(--bg-soft);
}
.topic-row {
  display: grid;
  grid-template-columns: 1fr 5.5rem;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.25rem;
  border-bottom: 1px solid var(--line);
}
.topic-row:last-child { border-bottom: none; }
.topic-check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.3;
}
.topic-check input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  accent-color: var(--navy);
}
.topic-rank {
  padding: 0.3rem 0.4rem;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}
.topic-rank:disabled {
  background: var(--bg-tint);
  color: var(--muted);
}
#topicsCount { margin: 0.4rem 0 0; font-size: 0.88rem; color: var(--muted); }
#topicsCount.error { color: var(--danger); font-weight: 600; }

@media (max-width: 520px) {
  .topic-row { grid-template-columns: 1fr 4.25rem; }
}