/* ============================================================
   Erice Summer School 2026 — Shared Stylesheet
   Design tokens derived from Google Stitch mockups
   ============================================================ */

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

:root {
  --color-primary:         #1754cf;
  --color-primary-light:   rgba(23, 84, 207, 0.08);
  --color-bg:              #f6f6f8;
  --color-pull-quote-bg:   #f5f1e8;
  --color-text:            #0f172a;
  --color-text-muted:      #475569;
  --color-text-light:      #94a3b8;
  --color-border:          #e2e8f0;
  --color-card-bg:         #ffffff;
  --color-error:           #dc2626;
  --color-success:         #16a34a;

  --font-main:    'Inter', sans-serif;
  --max-width:    960px;
  --radius-sm:    0.25rem;
  --radius-md:    0.5rem;
  --radius-lg:    0.75rem;
  --radius-full:  9999px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.12);
  --transition:   0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container { padding-left: 2rem; padding-right: 2rem; }
}
@media (min-width: 1024px) {
  .container { padding-left: 2.5rem; padding-right: 2.5rem; }
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; padding-top: 2.5rem; padding-bottom: 3rem; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; }

.page-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.033em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  border-left: 4px solid var(--color-primary);
  padding-left: 0.75rem;
  margin-bottom: 1.5rem;
}

.label-overline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.25rem;
}

/* Institution label (speakers page) */
.institution-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ── Drop Cap ─────────────────────────────────────────────── */
.drop-cap::first-letter {
  float: left;
  font-size: 4.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 0.85;
  padding-right: 0.2rem;
  padding-top: 0.15rem;
}

/* ── Pull Quote ───────────────────────────────────────────── */
.pull-quote {
  background: var(--color-pull-quote-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 2rem 0 3rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.pull-quote blockquote {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.pull-quote cite {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: 500;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-link {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
  text-decoration: none;
  color: inherit;
}

.card-link:hover { box-shadow: var(--shadow-md); text-decoration: none; }

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.card-body {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.card-link-label {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.75rem;
}

/* ── Grids ────────────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Tag Pills ────────────────────────────────────────────── */
.tag-pill {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.6rem 1.25rem;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover { opacity: 0.9; text-decoration: none; color: #fff; }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 0.55rem 1.2rem;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-logo svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.site-logo-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.site-logo:hover { text-decoration: none; }

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  text-decoration: none;
}

/* Mobile hamburger (CSS-only) */
.nav-toggle { display: none; }
.nav-toggle-label {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.nav-toggle-label span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  .main-nav .btn-primary {
    margin: 0.5rem 1.5rem 0.75rem;
    width: calc(100% - 3rem);
  }

  .nav-toggle-label { display: flex; }

  .nav-toggle:checked ~ .main-nav { display: flex; }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hide register button in desktop nav on mobile (show inside hamburger) */
  .header-register-btn { display: none; }
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-links a:hover { color: var(--color-primary); }

/* ── Hero (homepage) ─────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a3a6e 0%, #1754cf 100%);
  /* Replace with: background-image: url('../images/erice.jpg'); background-size: cover; */
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 50, 0.55);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #ffffff;
  padding: 3rem 1.5rem;
  max-width: 700px;
}

.hero-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.88;
  margin-bottom: 1.75rem;
  line-height: 1.5;
}

/* ── Info Cards Row (homepage) ───────────────────────────── */
.info-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.info-card-icon {
  color: var(--color-primary);
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.info-card-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.info-card-value {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ── Sponsor Strip ───────────────────────────────────────── */
.sponsor-strip {
  text-align: center;
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.sponsor-strip-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.sponsor-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.sponsor-logo-placeholder {
  width: 80px;
  height: 48px;
  background: var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 4px;
}

/* ── Two-Column Layout ───────────────────────────────────── */
.two-col {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.two-col-sidebar {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
}

.two-col-main { flex: 1; min-width: 0; }

@media (max-width: 768px) {
  .two-col { flex-direction: column; }
  .two-col-sidebar { width: 100%; position: static; }
}

/* ── Topic Module ────────────────────────────────────────── */
.topic-module {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1.25rem;
}

.topic-module-number {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.topic-module-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.6rem;
}

.topic-module ul {
  list-style: none;
  padding: 0;
  margin-bottom: 0.75rem;
}

.topic-module ul li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0.2rem 0;
  padding-left: 1rem;
  position: relative;
}

.topic-module ul li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.topic-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.6rem; }

/* ── Speaker Row ─────────────────────────────────────────── */
.speaker-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.speaker-row:last-child { border-bottom: none; }

.speaker-photo-placeholder {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 1.5rem;
}

.speaker-info { flex: 1; min-width: 0; }

.speaker-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.speaker-research {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 0.2rem;
}

.speaker-bio-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  white-space: nowrap;
  flex-shrink: 0;
  align-self: center;
}

/* Director rows are slightly larger */
.director-row .speaker-photo-placeholder {
  width: 72px;
  height: 72px;
}

.director-row .speaker-name { font-size: 1.15rem; }

/* ── Timeline ────────────────────────────────────────────── */
.timeline { position: relative; padding: 1rem 0; }

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }

.timeline-item-content {
  width: calc(50% - 2rem);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  top: 1rem;
  z-index: 1;
}

.timeline-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.timeline-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.timeline-image-placeholder {
  width: calc(50% - 2rem);
  height: 180px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .timeline::before { left: 1rem; transform: none; }

  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    flex-direction: column;
    padding-left: 2.5rem;
  }

  .timeline-item-content { width: 100%; }
  .timeline-image-placeholder { width: 100%; }

  .timeline-dot {
    left: 1rem;
    transform: translateX(-50%);
  }
}

/* ── Photo Grid (Erice page) ─────────────────────────────── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

@media (max-width: 640px) {
  .photo-grid { grid-template-columns: 1fr 1fr; }
}

.photo-item figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #c8d5e8, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-align: center;
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

.photo-placeholder.tall { aspect-ratio: 3/4; }

.photo-item figcaption {
  padding: 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.photo-item figcaption small {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ── Hero with photo overlay (Erice page) ────────────────── */
.hero-erice {
  position: relative;
  width: 100%;
  height: 260px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-end;
}

.hero-erice-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #4a6fa5 0%, #2d4a7a 100%);
}

.hero-erice-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
}

.hero-erice-content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
  color: #fff;
}

.hero-erice-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.025em;
}

.hero-erice-content p {
  font-size: 1rem;
  opacity: 0.88;
  margin-top: 0.25rem;
  font-style: italic;
}

/* ── Contact page ────────────────────────────────────────── */
.contact-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 768px) {
  .contact-two-col { grid-template-columns: 1fr; }
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.contact-detail .material-symbols-outlined {
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.committee-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.committee-table td {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.committee-table td:first-child { font-weight: 600; }
.committee-table td:last-child { color: var(--color-text-muted); }

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.map-container iframe {
  display: block;
  width: 100%;
  height: 280px;
  border: none;
}

.getting-here-box {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.getting-here-box h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.getting-here-box p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-section {
  margin-bottom: 2.25rem;
}

.form-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 540px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-row.full { grid-template-columns: 1fr; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 0.1rem;
}

.form-field {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-card-bg);
  transition: border-color var(--transition), outline var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-field:focus {
  outline: 2.5px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.form-field.error { border-color: var(--color-error); }

.form-field::placeholder { color: var(--color-text-light); }

textarea.form-field { resize: vertical; min-height: 90px; }

select.form-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.field-error {
  display: none;
  font-size: 0.78rem;
  color: var(--color-error);
  margin-top: 0.15rem;
}

.field-error.visible { display: block; }

/* Conditional travel fields */
.travel-detail-fields { display: none; margin-top: 0.75rem; }
.travel-detail-fields.visible { display: grid; }

/* Radio / Checkbox groups */
.radio-group, .check-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radio-option, .check-option {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.4;
}

.radio-option input[type="radio"],
.check-option input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.check-option-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.1rem;
}

/* Fees box */
.fees-box {
  background: var(--color-pull-quote-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.fees-box h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fees-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}

@media (max-width: 480px) {
  .fees-grid { grid-template-columns: 1fr; text-align: left; }
}

.fee-tier { padding: 0.5rem; }

.fee-tier-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.fee-tier-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.fee-tier-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.fee-includes {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Honeypot – visually hidden but accessible to bots */
.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Submit area */
.form-submit-area {
  margin-top: 1.5rem;
  text-align: center;
}

.form-submit-area .btn-primary {
  padding: 0.75rem 2.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Form status messages */
.form-status { display: none; margin-top: 1rem; padding: 1rem; border-radius: var(--radius-md); font-size: 0.9rem; text-align: center; }
.form-status.success { display: block; background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.form-status.error { display: block; background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* Payment info */
.payment-info {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.payment-info h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.bank-details { font-size: 0.875rem; color: var(--color-text-muted); line-height: 2; }
.bank-details strong { color: var(--color-text); }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.4rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Utilities ───────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Material Symbols size helpers ──────────────────────── */
.icon-sm { font-size: 1rem; vertical-align: middle; }
.icon-md { font-size: 1.5rem; vertical-align: middle; }
.icon-lg { font-size: 2rem; vertical-align: middle; }

/* ── Accessibility ───────────────────────────────────────── */
fieldset { border: none; margin: 0; padding: 0; min-inline-size: 0; }
legend.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0;
  float: none;
  width: 100%;
  margin-bottom: 0.5rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}