/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --border: #e5e7eb;
  --border-light: #f0f0f0;
  --text: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-light: #eef2ff;
  --accent-subtle: #f5f3ff;
  --success: #059669;
  --danger: #dc2626;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --container: 1080px;
  --container-narrow: 640px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}

/* ── Section Titles ────────────────────────────────────────── */
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 24px;
}

/* ════════════════════════════════════════════════════════════ */
/* 1. HERO                                                     */
/* ════════════════════════════════════════════════════════════ */
.hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 80px 0 88px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}
.hero-content h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-cta {
  display: inline-block;
  padding: 16px 36px;
  font-size: 1rem;
  text-align: center;
}
.hero-micro {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--text-light);
  max-width: 400px;
}

/* Hero powered-by */
.hero-powered {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

/* Hero Preview Card */
.preview-card {
  background: var(--accent-subtle);
  border: 1px solid #e0e7ff;
  border-radius: var(--radius);
  padding: 32px;
}
.preview-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 20px;
}
.preview-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.preview-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.preview-icon {
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

/* Hero value-comparison line */
.hero-value-line {
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 400px;
  line-height: 1.5;
  font-style: italic;
}

/* ════════════════════════════════════════════════════════════ */
/* 2. VALUE SECTION                                            */
/* ════════════════════════════════════════════════════════════ */
.value-section {
  background: var(--surface);
}
.value-section .section-title {
  text-align: center;
}
.value-list {
  list-style: none;
  max-width: 600px;
  margin: 0 auto 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.value-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.value-check {
  width: 24px;
  height: 24px;
  background: #ecfdf5;
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.value-supporting {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ════════════════════════════════════════════════════════════ */
/* 3. TRUST / REASSURANCE                                      */
/* ════════════════════════════════════════════════════════════ */
.trust-section {
  background: var(--bg);
  padding: 64px 0;
}
.trust-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.trust-content .section-title {
  font-size: 1.5rem;
}
.trust-body {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 12px;
}
.trust-supporting {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ════════════════════════════════════════════════════════════ */
/* 4. FORM SECTION                                             */
/* ════════════════════════════════════════════════════════════ */
.form-section {
  background: var(--surface);
  border-top: 1px solid var(--border-light);
}
.form-header {
  text-align: center;
  margin-bottom: 40px;
}
.form-intro {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}
.form-card {
  max-width: var(--container-narrow);
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

/* Fields */
.field {
  margin-bottom: 28px;
}
.field label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.field-helper {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.5;
}
.field textarea,
.field input[type="text"],
.field input[type="email"],
.field select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
.field textarea {
  resize: vertical;
  min-height: 96px;
}
.field textarea::placeholder,
.field input::placeholder {
  color: var(--text-light);
}
.field textarea:focus,
.field input:focus,
.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

/* Validation states */
.field-error {
  display: none;
  font-size: 0.8125rem;
  color: var(--danger);
  margin-top: 6px;
}
.field.has-error textarea,
.field.has-error input,
.field.has-error select {
  border-color: var(--danger);
}
.field.has-error textarea:focus,
.field.has-error input:focus,
.field.has-error select:focus {
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}
.field.has-error .field-error {
  display: block;
}

/* Custom select arrow */
.field select {
  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='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

/* Checkbox */
.checkbox-field {
  margin-bottom: 20px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.checkbox-custom { display: none; }
.field-disclosure {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 8px;
  line-height: 1.5;
  padding-left: 28px;
}

/* Submit */
.btn-submit {
  width: 100%;
  margin-top: 8px;
  margin-bottom: 0;
}
.form-micro {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-top: 16px;
  line-height: 1.5;
}

/* ════════════════════════════════════════════════════════════ */
/* 5. REINFORCEMENT SECTION                                    */
/* ════════════════════════════════════════════════════════════ */
.reinforcement-section {
  background: var(--bg);
}
.reinforcement-section .section-title {
  text-align: center;
}
.reinforce-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.reinforce-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.reinforce-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.reinforce-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ════════════════════════════════════════════════════════════ */
/* 6. FINAL CTA                                                */
/* ════════════════════════════════════════════════════════════ */
.final-cta-section {
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  padding: 64px 0;
}
.final-cta-content {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}
.final-cta-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.final-cta-content p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}
.final-cta-btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 1rem;
  text-align: center;
}

/* ════════════════════════════════════════════════════════════ */
/* BUTTONS                                                     */
/* ════════════════════════════════════════════════════════════ */
.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  text-align: center;
  line-height: 1.4;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(79,70,229,0.25);
}
.btn-primary:active { transform: scale(0.99); }
.btn-primary:disabled {
  background: #a5b4fc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-cta {
  display: inline-block;
  padding: 14px 32px;
  background: #fff;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: background 0.15s, transform 0.1s;
  margin-top: 8px;
}
.btn-cta:hover { background: #e0e7ff; transform: translateY(-1px); }

.btn-ghost {
  background: none;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.875rem;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-family: var(--font);
  font-size: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}
.btn-link:hover { color: var(--accent-hover); }

.btn-text-sm {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.8125rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}
.btn-text-sm:hover { color: var(--text); }

/* ════════════════════════════════════════════════════════════ */
/* USER BADGE                                                  */
/* ════════════════════════════════════════════════════════════ */
.user-badge {
  position: fixed;
  top: 16px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  box-shadow: var(--shadow);
  z-index: 100;
}

/* ════════════════════════════════════════════════════════════ */
/* AUTH GATE                                                   */
/* ════════════════════════════════════════════════════════════ */
.auth-card {
  max-width: 480px;
  margin: 80px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.auth-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.auth-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.auth-sub {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 28px;
}
.auth-form {
  max-width: 360px;
  margin: 0 auto;
}
.auth-form .field { margin-bottom: 16px; }
.auth-sent-icon { font-size: 40px; margin-bottom: 12px; }
.auth-sent-msg {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.auth-sent-detail {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}
.auth-sent-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ════════════════════════════════════════════════════════════ */
/* LOADING                                                     */
/* ════════════════════════════════════════════════════════════ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.loading-inner {
  text-align: center;
}
.loading-inner p {
  margin-top: 20px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.loading-sub {
  font-weight: 400 !important;
  font-size: 0.875rem !important;
  color: var(--text-muted) !important;
  margin-top: 6px !important;
}
.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════════════════════════ */
/* RESULTS                                                     */
/* ════════════════════════════════════════════════════════════ */
.results-header {
  text-align: center;
  padding: 48px 0 32px;
}
.results-header h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.results-sub {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 0.9375rem;
}
.results-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}
.btn-download:hover { background: var(--accent-hover); }
.btn-download-alt {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-download-alt:hover {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent);
}

/* Plan Cards */
.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.plan-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.plan-card-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.plan-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Summary grid */
.summary-grid { display: flex; flex-direction: column; gap: 12px; }
.summary-row { display: flex; flex-direction: column; gap: 2px; }
.summary-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}
.summary-value {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}
.summary-assumptions { opacity: 0.7; }

/* Item lists inside cards */
.plan-items { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.plan-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.plan-item:last-child { border-bottom: none; padding-bottom: 0; }
.plan-item-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.plan-item-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Detail grid */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}
.detail-label {
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-right: 6px;
}
.exec-notes {
  font-size: 13px;
  color: var(--text-muted);
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 8px;
  line-height: 1.6;
}

/* Channel items */
.channel-item {
  display: flex;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.channel-item:last-child { border-bottom: none; padding-bottom: 0; }
.channel-rank {
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.channel-body { flex: 1; display: flex; flex-direction: column; gap: 6px; }

/* Content theme */
.content-theme {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.6;
}

/* Week items */
.week-item { border-left: 3px solid var(--accent-light); padding-left: 16px; }
.week-label {
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 8px;
}
.week-actions { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.week-actions li {
  font-size: 13px;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.week-actions li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* Topics */
.topics-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.topic-tag {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
}

/* CTA Card */
.cta-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4f46e5 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  margin-bottom: 16px;
}
.cta-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.cta-card p {
  color: #c7d2fe;
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

/* Regenerate */
.regenerate {
  text-align: center;
  padding: 24px 0 48px;
}

/* Error */
.error-msg {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.875rem;
  margin-top: 16px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* Utilities */
.hidden { display: none !important; }

/* ════════════════════════════════════════════════════════════ */
/* RESPONSIVE                                                  */
/* ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero { padding: 56px 0 64px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-content { text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta { display: block; width: 100%; }
  .hero-micro {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-value-line {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-preview { order: 1; }

  .section { padding: 56px 0; }

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

  .form-card {
    padding: 28px 20px;
    border: none;
    box-shadow: none;
    margin: 0 -24px;
    border-radius: 0;
  }

  .plan-card { padding: 24px 20px; }
  .cta-card { padding: 36px 24px; }
  .auth-card { padding: 36px 24px; margin: 48px auto; }

  .btn-submit {
    padding: 16px;
    font-size: 1.0625rem;
  }

  .user-badge {
    position: relative;
    top: 0;
    right: 0;
    margin: 12px 24px 0;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero { padding: 40px 0 48px; }
  .hero-content h1 { font-size: 1.75rem; }
  .preview-card { padding: 24px; }
  .form-header .section-title { font-size: 1.5rem; }
}