/* ============================================================
   Free JAMB Registration — Sen. Yari Education Initiative
   Editorial / refined design with Nigerian-warm palette
   ============================================================ */

:root {
  /* Color palette */
  --green-900: #0a3320;
  --green-800: #0f4d2d;
  --green-700: #1a6b40;
  --green-600: #2a8857;
  --green-100: #d8ebe0;
  --green-50:  #eef6f1;

  --gold-700: #b08855;
  --gold-500: #d4a574;
  --gold-200: #efe0cb;

  --cream:    #faf7f0;
  --cream-2:  #f3eee3;
  --ink:      #1a1f1c;
  --ink-soft: #4a514c;
  --muted:    #8a8f8b;
  --line:     #e6e1d4;

  --danger:   #c0392b;
  --success:  #1a6b40;

  /* Typography */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body:    "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --container: 1180px;
  --radius:    14px;
  --radius-lg: 22px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(15, 77, 45, 0.04), 0 1px 3px rgba(15, 77, 45, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 77, 45, 0.06), 0 2px 4px rgba(15, 77, 45, 0.04);
  --shadow-lg: 0 24px 60px -20px rgba(15, 77, 45, 0.18), 0 8px 20px rgba(15, 77, 45, 0.06);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;

  /* Subtle paper-grain background */
  background-image:
    radial-gradient(circle at 15% 20%, rgba(212, 165, 116, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(15, 77, 45, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TOP STRIPE (Nigerian flag accent) ===== */
.top-stripe {
  height: 4px;
  background: linear-gradient(90deg,
    var(--green-800) 0%,
    var(--green-800) 33%,
    var(--cream-2) 33%,
    var(--cream-2) 66%,
    var(--green-800) 66%,
    var(--green-800) 100%);
}

/* ===== HEADER ===== */
.site-header {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 247, 240, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-mark svg { width: 100%; height: 100%; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--green-900);
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 2px;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  background: var(--green-800);
  color: var(--cream);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 165, 116, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--green-800);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  padding: 6px 14px;
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 100px;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green-700);
  border-radius: 50%;
  position: relative;
}

.dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--green-700);
  opacity: 0.3;
  animation: pulse 2s var(--ease) infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.4); opacity: 0; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--green-900);
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--gold-700);
  position: relative;
}

.hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 8px;
  background: var(--gold-200);
  z-index: -1;
  border-radius: 4px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.meta-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.meta-value {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--green-900);
}

.meta-divider {
  width: 1px;
  height: 32px;
  background: var(--line);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
}

.trust-item svg {
  color: var(--green-700);
  flex-shrink: 0;
}

/* ===== HERO VISUAL (image-based) ===== */
.hero-visual { position: relative; }

.visual-card {
  position: relative;
  background: linear-gradient(135deg, var(--cream-2) 0%, var(--cream) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 420px;
  margin-left: auto;
}

.visual-photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--green-50);
  overflow: hidden;
}

.visual-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--green-50), var(--cream));
  color: var(--green-700);
  padding: 20px;
  text-align: center;
}

.visual-photo-placeholder span {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--green-900);
}

.visual-photo-placeholder small {
  font-size: 11px;
  color: var(--ink-soft);
}

.visual-logo-overlay {
  position: absolute;
  bottom: -32px;
  right: 24px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--cream);
  box-shadow: 0 8px 20px rgba(15, 77, 45, 0.25);
  overflow: hidden;
  z-index: 2;
}

.visual-logo-overlay img,
.visual-logo-overlay svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-stats {
  padding: 46px 28px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--green-900);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
  font-weight: 500;
}

/* ===== FORM SECTION ===== */
.form-section {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, transparent 0%, var(--cream-2) 100%);
  position: relative;
}

.form-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--line) 50%, transparent 100%);
}

.form-wrapper {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 56px 56px 48px;
  max-width: 720px;
  margin: 0 auto;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.form-wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-800) 0%, var(--green-700) 50%, var(--gold-500) 100%);
}

.form-intro {
  text-align: center;
  margin-bottom: 40px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold-700);
  margin-bottom: 12px;
}

.form-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 500;
  line-height: 1.15;
  color: var(--green-900);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.form-subtitle {
  font-size: 16px;
  color: var(--ink-soft);
}

.reg-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-900);
  letter-spacing: -0.005em;
}

.req {
  color: var(--gold-700);
  font-weight: 700;
}

.field input,
.field select {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  transition: all 0.2s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.field input::placeholder {
  color: var(--muted);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--green-700);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(26, 107, 64, 0.1);
}

.field input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--danger);
}

.hint {
  font-size: 12px;
  color: var(--muted);
}

.select-wrap {
  position: relative;
}

.select-wrap select {
  padding-right: 44px;
  cursor: pointer;
}

.select-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--green-800);
  pointer-events: none;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 6px;
}

.consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--green-800);
  cursor: pointer;
  flex-shrink: 0;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.submit-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px 28px;
  margin-top: 8px;
  background: var(--green-800);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  overflow: hidden;
}

.submit-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--green-700) 0%, var(--green-800) 100%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.submit-btn:hover:not(:disabled)::before { opacity: 1; }
.submit-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(15, 77, 45, 0.25); }
.submit-btn:active:not(:disabled) { transform: translateY(0); }

.submit-btn .btn-text,
.submit-btn .btn-arrow { position: relative; z-index: 1; transition: transform 0.2s var(--ease); }

.submit-btn:hover:not(:disabled) .btn-arrow { transform: translateX(4px); }

.submit-btn .btn-loader {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.submit-btn .btn-loader svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.submit-btn.is-loading .btn-text,
.submit-btn.is-loading .btn-arrow { opacity: 0; }
.submit-btn.is-loading .btn-loader { display: flex; }
.submit-btn:disabled { cursor: not-allowed; opacity: 0.85; }

.form-message {
  display: none;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  margin-top: 8px;
}

.form-message.is-success {
  display: block;
  background: var(--green-50);
  border: 1px solid var(--green-100);
  color: var(--green-900);
}

.form-message.is-error {
  display: block;
  background: #fdecea;
  border: 1px solid #f5c6c0;
  color: var(--danger);
}

/* ===== INFO GRID ===== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.info-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s var(--ease);
}

.info-card:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--green-50);
  color: var(--green-800);
  border-radius: 10px;
  margin-bottom: 16px;
}

.info-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.info-card p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 0;
  background: var(--green-900);
  color: var(--cream);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-brand { display: flex; flex-direction: column; gap: 6px; max-width: 460px; }

.footer-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--cream);
}

.footer-sub {
  font-size: 13px;
  color: rgba(250, 247, 240, 0.6);
  line-height: 1.5;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(250, 247, 240, 0.5);
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-visual {
    order: -1;
    max-width: 360px;
    margin: 0 auto;
  }

  .visual-card { max-width: none; }

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

@media (max-width: 640px) {
  .hero { padding: 50px 0 40px; }

  .form-section { padding: 50px 0 70px; }

  .form-wrapper { padding: 36px 24px 32px; border-radius: var(--radius); }

  .hero-meta {
    padding: 16px 18px;
    gap: 16px;
  }

  .meta-divider { display: none; }

  .form-row { grid-template-columns: 1fr; gap: 22px; }

  .header-inner { gap: 12px; }

  .brand-text .brand-title { font-size: 14px; }
  .brand-text .brand-sub { font-size: 11px; }

  .header-badge {
    font-size: 11px;
    padding: 6px 12px;
  }

  .footer-inner { flex-direction: column; align-items: flex-start; text-align: left; }
}

@media (max-width: 420px) {
  .container { padding: 0 18px; }
  .hero-title { font-size: 36px; }
  .form-wrapper { padding: 28px 18px 26px; }
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}