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

:root {
  --brown:       #6B3F1F;
  --brown-light: #8B5E3C;
  --cream:       #FDF6EE;
  --cream-dark:  #F5EAD8;
  --gold:        #C8922A;
  --gold-light:  #E8B84B;
  --text:        #2C1A0E;
  --text-muted:  #7A5C44;
  --white:       #FFFFFF;
  --error:       #C0392B;
  --success:     #27AE60;
  --radius:      12px;
  --shadow:      0 4px 24px rgba(107,63,31,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--cream);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.site-header {
  background: var(--brown);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon { font-size: 2rem; }

.logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--cream);
  font-weight: 700;
  line-height: 1.2;
}

.logo-tagline {
  font-size: 0.75rem;
  color: var(--gold-light);
  letter-spacing: 0.03em;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--brown) 0%, var(--brown-light) 100%);
  padding: 4rem 2rem 3rem;
  text-align: center;
}

.hero-content { max-width: 640px; margin: 0 auto; }

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--cream);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--gold-light);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Form Section ── */
.form-section {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 2.5rem 1rem 3rem;
}

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 560px;
  padding: 2rem 2.5rem;
  position: relative;
}

/* ── Progress ── */
.progress-bar {
  height: 4px;
  background: var(--cream-dark);
  border-radius: 99px;
  margin-bottom: 0.4rem;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 99px;
  transition: width 0.4s ease;
  width: 25%;
}

.step-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  text-align: right;
}

/* ── Steps ── */
.step { display: none; }
.step.active { display: block; }

.step h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--brown);
  margin-bottom: 0.4rem;
}

.step-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* ── Form Fields ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field.full { grid-column: 1 / -1; }

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

input[type="text"],
input[type="email"] {
  padding: 0.65rem 0.9rem;
  border: 1.5px solid #DDD0C4;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--cream);
  transition: border-color 0.2s;
  outline: none;
}

input:focus { border-color: var(--gold); background: var(--white); }
input.invalid { border-color: var(--error); }

.field-error {
  font-size: 0.75rem;
  color: var(--error);
  min-height: 1em;
}

/* ── Investment Banner ── */
.invest-banner {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, #FFF8EE 0%, #FFF3DC 100%);
  border: 1.5px solid var(--gold-light);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.88rem;
  color: var(--brown);
  font-weight: 500;
  line-height: 1.4;
}

.invest-banner-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* ── Pledge ── */
.pledge-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.pledge-chip {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.pledge-chip input[type="radio"] { display: none; }

.pledge-chip span {
  padding: 0.4rem 1rem;
  border: 1.5px solid #DDD0C4;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--cream);
  transition: all 0.2s;
  user-select: none;
  font-weight: 500;
}

.pledge-chip input:checked + span {
  border-color: var(--gold);
  background: #FFF8EE;
  color: var(--brown);
  font-weight: 700;
}

.pledge-chip:hover span { border-color: var(--gold-light); }

/* ── Role Cards ── */
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.role-card {
  border: 2px solid #DDD0C4;
  border-radius: var(--radius);
  padding: 1.25rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  user-select: none;
}

.role-card:hover { border-color: var(--gold-light); transform: translateY(-2px); }
.role-card.selected { border-color: var(--gold); background: #FFF8EE; }

.role-icon { font-size: 1.8rem; display: block; margin-bottom: 0.5rem; }
.role-name { font-weight: 600; font-size: 0.95rem; color: var(--brown); margin-bottom: 0.25rem; }
.role-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }

/* ── Topics ── */
.topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.topic-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.topic-chip input[type="checkbox"] { display: none; }

.topic-chip span {
  padding: 0.4rem 0.85rem;
  border: 1.5px solid #DDD0C4;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--cream);
  transition: all 0.2s;
  user-select: none;
}

.topic-chip input:checked + span {
  border-color: var(--gold);
  background: #FFF8EE;
  color: var(--brown);
  font-weight: 600;
}

.topic-chip:hover span { border-color: var(--gold-light); }

/* ── Review Card ── */
.review-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--brown);
  color: var(--cream);
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
}

.review-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--brown);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.review-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.review-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.review-topics .tag {
  background: var(--cream-dark);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  color: var(--brown);
}

/* ── Buttons ── */
.btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.btn-primary, .btn-secondary {
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-primary {
  background: var(--brown);
  color: var(--cream);
}

.btn-primary:hover { background: var(--brown-light); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid #DDD0C4;
}

.btn-secondary:hover { border-color: var(--gold-light); color: var(--brown); }

.btn-submit { min-width: 180px; display: flex; align-items: center; justify-content: center; gap: 0.5rem; }

/* ── Spinner ── */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.hidden { display: none !important; }

/* ── Submit error ── */
.submit-error {
  color: var(--error);
  font-size: 0.82rem;
  text-align: center;
  margin-top: 0.75rem;
}

/* ── Success ── */
.success-content {
  text-align: center;
  padding: 1rem 0;
}

.success-icon { font-size: 3rem; margin-bottom: 1rem; }

.success-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  color: var(--brown);
  margin-bottom: 0.75rem;
}

.success-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.success-follow { font-size: 0.9rem; }

/* ── Footer ── */
.site-footer {
  background: var(--brown);
  color: var(--gold-light);
  text-align: center;
  padding: 1.25rem;
  font-size: 0.82rem;
}

.site-footer a { color: var(--gold-light); text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 540px) {
  .form-card { padding: 1.5rem 1.25rem; }
  .form-grid { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 1.25rem 2rem; }
}