/* ════════════════════════════════════════════
   CONTRIBUTE PAGE
   Companion to styles.css (tokens + nav/footer)
════════════════════════════════════════════ */

/* ── Hero ── */
.contrib-hero {
  background: linear-gradient(135deg, #0d1b2a 0%, #0a3d55 50%, #006080 100%);
  padding: 72px 36px 80px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.contrib-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 120% at 85% 50%, rgba(0,180,216,0.28) 0%, transparent 60%),
    radial-gradient(ellipse 40% 90%  at 15% 50%, rgba(0,180,216,0.14) 0%, transparent 60%);
  pointer-events: none;
}

/* ── Floating STEM icons ── */
.contrib-hero-icons {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.contrib-hero-icons span {
  position: absolute;
  font-size: 5rem;
  opacity: 0.10;
  line-height: 1;
  user-select: none;
}

/* Position each icon around the hero */
.contrib-hero-icons span:nth-child(1)  { top: 8%;  left: 4%;   font-size: 5.5rem; transform: rotate(-15deg); }
.contrib-hero-icons span:nth-child(2)  { top: 55%; left: 2%;   font-size: 4rem;   transform: rotate(10deg);  }
.contrib-hero-icons span:nth-child(3)  { top: 15%; left: 18%;  font-size: 3rem;   transform: rotate(20deg);  }
.contrib-hero-icons span:nth-child(4)  { bottom: 10%; left: 8%;  font-size: 4.5rem; transform: rotate(-8deg);  }
.contrib-hero-icons span:nth-child(5)  { top: 5%;  right: 5%;  font-size: 5rem;   transform: rotate(12deg);  }
.contrib-hero-icons span:nth-child(6)  { top: 50%; right: 3%;  font-size: 4.5rem; transform: rotate(-20deg); }
.contrib-hero-icons span:nth-child(7)  { top: 20%; right: 16%; font-size: 3.5rem; transform: rotate(6deg);   }
.contrib-hero-icons span:nth-child(8)  { bottom: 8%;  right: 10%; font-size: 4rem; transform: rotate(-12deg); }
.contrib-hero-icons span:nth-child(9)  { top: 72%; left: 30%;  font-size: 2.8rem; transform: rotate(18deg);  }
.contrib-hero-icons span:nth-child(10) { top: 10%; right: 34%; font-size: 2.5rem; transform: rotate(-5deg);  }

.contrib-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.contrib-eyebrow {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 16px;
}

.contrib-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 16px;
}

.contrib-tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  color: rgba(255,255,255,0.70);
  line-height: 1.75;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Page wrapper ── */
.contrib-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

/* ── Error banner ── */
.contrib-error-banner {
  background: #fff5f5;
  border: 1.5px solid #f5a0a0;
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin-bottom: 32px;
  color: #c0392b;
  font-size: 0.9rem;
  line-height: 1.6;
}

.contrib-error-banner strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-head);
  font-size: 0.85rem;
}

.contrib-error-banner ul {
  margin: 0;
  padding-left: 18px;
}

.contrib-error-banner li {
  margin-bottom: 4px;
}

/* ── Form card ── */
.contrib-form {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 40px rgba(13,27,42,0.10);
  overflow: hidden;
}

/* ── Form sections ── */
.form-section {
  padding: 36px 40px;
  border-bottom: 1px solid #eef2f7;
}

.form-section:last-child {
  border-bottom: none;
}

.form-section-heading {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  border-left: 4px solid var(--teal);
  padding-left: 14px;
  margin-bottom: 28px;
  line-height: 1.3;
}

.section-error {
  font-size: 0.82rem;
  color: #d62828;
  margin-bottom: 12px;
  font-weight: 600;
}

/* ── Field groups ── */
.field-group {
  margin-bottom: 22px;
}

.field-group:last-child {
  margin-bottom: 0;
}

.field-group label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.req {
  color: var(--teal);
  margin-left: 2px;
}

.optional {
  color: #8fa3b1;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.75rem;
  font-family: var(--font-body);
}

.field-hint {
  display: block;
  font-size: 0.78rem;
  color: #8fa3b1;
  margin-bottom: 6px;
  line-height: 1.5;
}

/* ── Inputs, selects, textareas ── */
.field-group input[type="text"],
.field-group input[type="email"],
.field-group input[type="number"],
.field-group select,
.field-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid #d0dce5;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  line-height: 1.5;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.13);
}

.field-group textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.65;
}

.field-group select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230d1b2a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ── Error state ── */
.field-group.has-error input,
.field-group.has-error select,
.field-group.has-error textarea {
  border-color: #d62828;
  box-shadow: none;
}

.field-error {
  display: block;
  font-size: 0.78rem;
  color: #d62828;
  margin-top: 5px;
  font-weight: 600;
}

/* ── Row layouts ── */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 22px;
}

.field-row .field-group {
  margin-bottom: 0;
}

/* 3-col row for age/cost/setting */
.field-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

/* ── Dynamic rows (Learn + Materials) ── */
.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.dynamic-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f7fafc;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #e4ecf2;
}

.dynamic-row input[type="text"] {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid #d0dce5;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--navy);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.dynamic-row input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.12);
}

.cost-input {
  max-width: 130px;
  flex: none !important;
}

/* ── Remove button ── */
.btn-remove {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid #d0dce5;
  background: #fff;
  color: #8fa3b1;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-remove:hover {
  border-color: #d62828;
  color: #d62828;
  background: #fff5f5;
}

/* ── Add row button ── */
.btn-add-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--teal);
  background: none;
  border: 1.5px dashed var(--teal);
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-add-row:hover {
  background: rgba(0,180,216,0.06);
}

/* ── Step cards ── */
#steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 14px;
}

.step-card {
  background: #fff;
  border: 1px solid #dde8f0;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(13,27,42,0.05);
  overflow: hidden;
}

.step-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  background: #f4f8fb;
  border-bottom: 1px solid #e4ecf2;
}

.step-badge {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-card-head input[type="text"] {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  padding: 4px 0;
  transition: border-bottom 0.2s;
}

.step-card-head input[type="text"]:focus {
  outline: none;
  border-bottom: 2px solid var(--teal);
}

.step-card-body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-label-sm {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #8fa3b1;
  display: block;
  margin-bottom: 4px;
}

.step-card-body textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid #d0dce5;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  min-height: 88px;
  resize: vertical;
  box-sizing: border-box;
  line-height: 1.6;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.step-card-body textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.12);
}

.step-card-body input[type="text"] {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid #d0dce5;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.step-card-body input[type="text"]:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.12);
}

/* ── Terms checkbox ── */
.contrib-terms-wrap {
  padding: 28px 40px 0;
  background: #fff;
}
.terms-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.88rem;
  color: #4a6274;
  line-height: 1.6;
}
.terms-label input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  accent-color: var(--teal);
  cursor: pointer;
}
.terms-label a {
  color: var(--teal);
  text-decoration: underline;
}
.contrib-terms-wrap.has-error .terms-label {
  color: #d62828;
}
.contrib-terms-wrap .field-error {
  margin-top: 8px;
  padding-left: 30px;
}

/* ── Submit area ── */
.contrib-submit-wrap {
  padding: 32px 40px 40px;
  background: #fff;
  border-top: 1px solid #eef2f7;
}

.btn-submit {
  display: block;
  width: 100%;
  height: 54px;
  background: var(--teal);
  color: var(--navy);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.1s;
}

.btn-submit:hover {
  background: var(--teal-light);
}

.btn-submit:active {
  transform: scale(0.99);
}

/* ── Thank-you state ── */
.contrib-thankyou {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 40px rgba(13,27,42,0.10);
  padding: 64px 40px;
  text-align: center;
}

.thankyou-emoji {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: 20px;
}

.thankyou-heading {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 14px;
}

.thankyou-msg {
  font-size: 1rem;
  color: #3d4a5c;
  line-height: 1.75;
  max-width: 480px;
  margin: 0 auto 32px;
}

.btn-browse {
  display: inline-block;
  background: var(--teal);
  color: var(--navy);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn-browse:hover {
  background: var(--teal-light);
  transform: translateY(-2px);
}

/* ── Footer overrides for this page ── */
.site-footer .footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer .footer-inner p {
  color: rgba(255,255,255,0.45);
  font-size: 0.82rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.50);
  transition: color 0.2s;
}

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

/* ════════════════════════════════════════════
   RESPONSIVE — TABLET (≤1024px)
════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .contrib-hero {
    padding: 60px 24px 68px;
  }

  .contrib-wrap {
    padding: 40px 16px 64px;
  }

  .form-section {
    padding: 30px 28px;
  }

  .contrib-submit-wrap {
    padding: 28px 28px 36px;
  }
}

/* ════════════════════════════════════════════
   RESPONSIVE — MOBILE (≤640px)
════════════════════════════════════════════ */
@media (max-width: 640px) {
  .contrib-hero {
    padding: 48px 20px 56px;
  }

  .contrib-wrap {
    padding: 28px 12px 56px;
  }

  .form-section {
    padding: 24px 18px;
  }

  .form-section-heading {
    font-size: 0.92rem;
  }

  /* Stack all side-by-side field rows */
  .field-row,
  .field-row-3 {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* Stack material rows */
  .dynamic-row.mat-row {
    flex-wrap: wrap;
  }

  .cost-input {
    max-width: 100%;
    flex: 1 !important;
  }

  .contrib-submit-wrap {
    padding: 22px 18px 28px;
  }

  .contrib-thankyou {
    padding: 48px 20px;
  }

  .thankyou-heading {
    font-size: 1.6rem;
  }

  .site-footer .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}