/* ==========================================================================
   Pay It Forward Fellows — styles.css
   Design system: navy #003366 / gold #D4AF37, system font stack
   ========================================================================== */

:root {
  --navy: #003366;
  --navy-dark: #0d1f33;
  --navy-mid: #1a5c99;
  --gold: #d4af37;
  --gold-dark: #c9a032;
  --bg-soft: #f0f4f8;
  --bg-softer: #f8f9fa;
  --text-body: #374151;   /* gray-700 */
  --text-muted: #4b5563;  /* gray-600 */
  --border: #e5e7eb;
  --red: #ef4444;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  /* Matches React project base layer (client/src/index.css) */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-body);
  background: #fff;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: inherit; text-decoration: none; }

main { flex: 1; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 80rem; /* 7xl */
  margin-inline: auto;
  padding-inline: 1rem;
}

section { padding-block: 3rem; }
@media (min-width: 768px) { section { padding-block: 4rem; } }

.bg-soft   { background: var(--bg-soft); }
.bg-softer { background: var(--bg-softer); }
.bg-navy   { background: var(--navy); color: #fff; }
.bg-navy-grad {
  background: linear-gradient(to right, var(--navy), var(--navy-dark));
  color: #fff;
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  color: var(--navy);
  line-height: 1.2;
  font-family: 'Georgia', serif; /* heading font from React project */
  letter-spacing: -0.5px;
}
.bg-navy h1, .bg-navy h2, .bg-navy-grad h1, .bg-navy-grad h2 { color: #fff; }

h1 { font-size: 2.25rem; font-weight: 700; margin-bottom: 1rem; }
h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; }

@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
}
@media (min-width: 1024px) {
  .hero h1 { font-size: 3.75rem; }
}

.lead { font-size: 1.125rem; }
@media (min-width: 768px) { .lead { font-size: 1.25rem; } }

.text-gold   { color: var(--gold); }
.text-center { text-align: center; }
.muted       { color: var(--text-muted); }
.narrow      { max-width: 48rem; margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 0.5rem;
  padding: 0.75rem 2rem;
  cursor: pointer;
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out),
              transform 160ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }

.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-dark); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }

.btn-lg { padding: 1.25rem 2rem; font-size: 1.125rem; }

/* ---------- Urgency banner ---------- */
.urgent-banner {
  background: var(--red-dark, #b22222);
  color: #fff;
  text-align: center;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}
.urgent-banner a {
  color: var(--gold);
  font-weight: 700;
  text-decoration: underline;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.05);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.5rem;
}

/* Logo image (assets/piff-logo.png). .logo-main/.logo-sub kept as text fallback styles. */
.logo { display: flex; flex-direction: column; line-height: 1.15; flex-shrink: 0; }
.logo .logo-main {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.logo .logo-sub {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.logo-img { height: 3.5rem; width: auto; } /* PNG is tight-cropped; compact header */
@media (min-width: 768px) {
  .logo .logo-main { font-size: 1.75rem; }
  .logo-img { height: 4.25rem; }
}

.main-nav { display: none; align-items: center; gap: 2rem; }
.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 160ms var(--ease-out);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--navy); }
.main-nav a[aria-current="page"] { font-weight: 700; }

.header-cta { display: none; }

.menu-toggle {
  display: inline-flex;
  background: none;
  border: 0;
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  color: var(--navy);
}
.menu-toggle:hover { background: var(--bg-soft); }

@media (min-width: 768px) {
  .main-nav, .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--bg-softer);
}
.mobile-menu.open { display: block; }
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-block: 1rem;
}
.mobile-menu a { font-size: 0.875rem; font-weight: 500; padding-block: 0.5rem; }
.mobile-menu .btn { justify-content: center; width: 100%; }

/* ---------- Hero (Home) ---------- */
.hero { position: relative; overflow: hidden; padding-block: 4rem; }
@media (min-width: 768px) { .hero { padding-block: 6rem; } }

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("assets/hero-medical-education.webp") center / cover no-repeat;
  opacity: 0.4;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #fff, rgb(255 255 255 / 0.8), transparent);
}
.hero .container { position: relative; z-index: 10; }
.hero-content { max-width: 48rem; }
.hero p.lead { margin-bottom: 2rem; }

/* Stats row (4-up per content doc) */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: rgb(255 255 255 / 0.8);
  backdrop-filter: blur(4px);
  border: 1px solid rgb(212 175 55 / 0.3);
  border-radius: 0.5rem;
  padding: 1rem;
}
.stat-value { font-size: 1.875rem; font-weight: 700; color: var(--navy); }
.stat-value.gold { color: var(--gold); }
.stat-label { font-size: 0.875rem; color: var(--text-muted); }
@media (min-width: 768px) { .stat-value { font-size: 2.25rem; } }

.hero-actions { display: flex; flex-direction: column; gap: 1rem; }
@media (min-width: 640px) { .hero-actions { flex-direction: row; } }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  overflow: hidden;
  transition: box-shadow 300ms var(--ease-out);
}
.card:hover {
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid-2 { grid-template-columns: repeat(2, 1fr); }
}

/* Teaser cards (Home) */
.teaser-banner {
  height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.75rem;
}
.teaser-banner span { opacity: 0.25; }
.teaser-navy { background: linear-gradient(to bottom right, var(--navy), var(--navy-dark)); }
.teaser-gold { background: linear-gradient(to bottom right, var(--gold), var(--gold-dark)); }
.teaser-blue { background: linear-gradient(to bottom right, var(--navy-mid), var(--navy)); }
.teaser-body { padding: 1.5rem; }
.teaser-body p { color: var(--text-muted); margin-bottom: 1rem; }

.link-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gold);
  font-weight: 600;
  transition: color 160ms var(--ease-out);
}
.link-gold:hover { color: var(--navy); }

/* Accent-border cards (Our Story, Meet Fellows) */
.card-accent { padding: 1.5rem; border-left: 4px solid var(--gold); border-radius: 0.5rem; }
.card-accent.red { border-left-color: var(--red); }
.card-accent p + p { margin-top: 0.75rem; }
.note { font-size: 0.875rem; color: var(--text-muted); font-style: italic; }

/* Callout boxes */
.callout {
  background: var(--bg-soft);
  border: 1px solid rgb(212 175 55 / 0.3);
  border-radius: 0.5rem;
  padding: 1.5rem;
}
.callout-warn {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 0.5rem;
  padding: 1.5rem;
  color: #1f2937;
}
.callout-gold-bar {
  background: #fff;
  border-left: 4px solid var(--gold);
  border-radius: 0.25rem;
  padding: 1.5rem;
  margin-top: 2rem;
}
.flag {
  background: #fff;
  border-left: 4px solid var(--red);
  border-radius: 0.25rem;
  padding: 1rem;
}
.flag + .flag { margin-top: 1rem; }

/* ---------- Mission quote (Home) ---------- */
.mission-quote { font-size: 1.25rem; font-style: italic; margin-bottom: 1rem; }
@media (min-width: 768px) { .mission-quote { font-size: 1.5rem; } }

/* ---------- Timeline (Our Story) ---------- */
.timeline-photo {
  height: 24rem;
  border-radius: 0.5rem;
  margin-bottom: 3rem;
  background: url("assets/timeline-accent.webp") center / cover no-repeat;
}
.timeline { display: flex; flex-direction: column; }
.timeline-item { display: flex; gap: 1.5rem; }
.timeline-marker { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.timeline-dot {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background: var(--gold);
  color: var(--navy);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.timeline-line {
  width: 4px;
  flex: 1;
  min-height: 4rem;
  background: rgb(212 175 55 / 0.3);
  margin-top: 0.5rem;
}
.timeline-body { padding-bottom: 2rem; }
.timeline-date { font-size: 0.875rem; font-weight: 600; color: var(--gold); }
.timeline-body h3 { font-size: 1.125rem; margin: 0.25rem 0 0.5rem; }

/* ---------- Testimonials (Meet Fellows) ---------- */
.fellows { display: flex; flex-direction: column; gap: 3rem; }

.fellow-card { display: grid; grid-template-columns: 1fr; }
@media (min-width: 768px) { .fellow-card { grid-template-columns: 1fr 2fr; } }

/* Exact match to the Vite app: light watercolor photo as the panel background,
   white name, gold title — same as the original MeetFellows.tsx rendering */
.fellow-profile {
  color: #fff;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: url("assets/testimonial-background.webp") center / cover no-repeat;
}
.fellow-icon { font-size: 3.75rem; margin-bottom: 1rem; }
.fellow-profile h3 { color: #fff; font-size: 1.5rem; margin-bottom: 0.5rem; }
.fellow-title { color: var(--gold); font-weight: 600; margin-bottom: 1rem; }
.fellow-bio { font-size: 0.875rem; color: #f3f4f6; }

.fellow-story { padding: 2rem; display: flex; flex-direction: column; justify-content: center; }
.quote-mark { font-size: 3rem; line-height: 1; color: var(--gold); font-family: Georgia, serif; }
.fellow-quote { font-size: 1.125rem; font-style: italic; margin-bottom: 1rem; }
.fellow-quote2 { margin-bottom: 1.5rem; }
.fellow-sig {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gold);
}

/* ---------- Cost table (The Crisis) ---------- */
.cost-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}
.cost-table th, .cost-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.cost-table th { background: var(--navy); color: #fff; font-weight: 600; }
.cost-table td:last-child, .cost-table th:last-child { text-align: right; }
.cost-table tr.total td {
  font-weight: 700;
  color: var(--navy);
  background: rgb(212 175 55 / 0.12);
  border-top: 2px solid var(--gold);
}

/* ---------- Donation tiers (How to Help) ---------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 768px) { .tier-grid { grid-template-columns: repeat(3, 1fr); } }
.tier-card {
  background: #fff;
  border: 1px solid rgb(212 175 55 / 0.4);
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  transition: box-shadow 300ms var(--ease-out), border-color 300ms var(--ease-out);
}
.tier-card:hover {
  border-color: var(--gold);
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}
.tier-amount { font-size: 1.875rem; font-weight: 700; color: var(--gold); font-family: 'Georgia', serif; }
.tier-desc { font-size: 0.875rem; color: var(--text-muted); margin-top: 0.5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #fff; padding-block: 3rem; }
@media (min-width: 768px) { .site-footer { padding-block: 4rem; } }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }

.site-footer h3 { color: var(--gold); font-size: 1.125rem; }
.site-footer p, .site-footer li { font-size: 0.875rem; color: #f3f4f6; }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer a { transition: color 160ms var(--ease-out); }
.site-footer a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid #4b5563;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: #d1d5db;
}