/* ==========================================================================
   ProofScope — Component Styles
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  border: 1.5px solid transparent;
  transition: transform 0.18s var(--ease-out), background 0.18s var(--ease-out), box-shadow 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-red);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn-primary:active { background: var(--color-primary-active); transform: translateY(0); }
.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-text); }
.btn-ghost:hover { background: var(--color-surface-2); }
.btn-lg { padding: 1.05rem 2rem; font-size: var(--text-base); }
.btn-sm { padding: 0.6rem 1.15rem; font-size: var(--text-xs); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: var(--space-5);
}
.brand { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.brand-mark { border-radius: 8px; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.w-proof { color: var(--color-text); }
.w-scope { color: var(--color-primary); }
.site-nav { display: flex; gap: var(--space-6); flex: 1; justify-content: center; }
.site-nav a {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--color-text); }
.header-actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}
.theme-toggle:hover { border-color: var(--color-border-strong); }
.icon-moon { display: none; }
[data-theme='dark'] .icon-sun { display: none; }
[data-theme='dark'] .icon-moon { display: block; }

/* ---------- Hero ---------- */
.hero { padding: var(--space-10) 0 0; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-10);
  align-items: center;
  padding-bottom: var(--space-10);
}
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.eyebrow-dark {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.hero-copy h1 {
  font-size: var(--text-hero);
  margin-bottom: var(--space-4);
}
.text-primary { color: var(--color-primary); }
.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 34rem;
  margin-bottom: var(--space-6);
}
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-4); }
.hero-note { font-size: var(--text-sm); color: var(--color-text-faint); }

.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.hero-visual-card {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.hero-visual-card .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px var(--color-success-bg);
}

.hero-strip {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ---------- Section shared ---------- */
.section { padding: var(--space-12) 0; }
.section-head { max-width: 42rem; margin-bottom: var(--space-8); }
.section-head h2 { font-size: var(--text-3xl); margin-bottom: var(--space-3); }
.section-sub { color: var(--color-text-muted); font-size: var(--text-lg); }

/* ---------- Problem ---------- */
.problem { background: var(--color-surface-2); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.problem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
}
.problem-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.problem-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.problem-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ---------- How it works ---------- */
.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.how-steps { display: flex; flex-direction: column; gap: var(--space-6); }
.how-step { display: flex; gap: var(--space-5); }
.how-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
  width: 3rem;
}
.how-step h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.how-step p { color: var(--color-text-muted); }
.how-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 1/1;
  object-fit: cover;
}

/* ---------- What's inside ---------- */
.inside { background: var(--color-surface-2); }
.inside-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.inside-copy h2 { font-size: var(--text-3xl); margin: var(--space-3) 0 var(--space-5); }
.check-list { list-style: none; margin: 0 0 var(--space-6); padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.check-list li {
  position: relative;
  padding-left: 1.9rem;
  font-size: var(--text-base);
  color: var(--color-text);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.15em;
  width: 1.35rem; height: 1.35rem;
  border-radius: 50%;
  background: var(--color-primary-highlight);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23DE1B22' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 60%;
  background-repeat: no-repeat;
  background-position: center;
}

.report-mock {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  box-shadow: var(--shadow-lg);
}
.report-mock-top {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
}
.report-mock-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.2); }
.report-mock-title { margin-left: var(--space-2); color: rgba(255,255,255,0.5); font-size: var(--text-xs); font-weight: 600; }
.report-mock-body {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.report-mock-header {
  display: flex; align-items: center; gap: var(--space-3);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.report-mock-header img { border-radius: 6px; }
.report-mock-header strong { display: block; font-size: var(--text-sm); }
.report-mock-header span { display: block; font-size: var(--text-xs); color: var(--color-text-faint); }
.report-mock-photos { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); }
.report-mock-photos span {
  flex: 1; aspect-ratio: 1/1;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-surface-offset), var(--color-border));
}
.report-mock-line { height: 9px; border-radius: 5px; background: var(--color-surface-offset); margin-bottom: var(--space-2); }
.report-mock-line.long { width: 100%; }
.report-mock-line.short { width: 55%; margin-bottom: var(--space-4); }
.report-mock-tag {
  display: inline-block;
  background: var(--color-success-bg);
  color: var(--color-success);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
}
.report-mock-footer {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---------- Founder ---------- */
.founder { text-align: center; }
.founder-inner { max-width: 44rem; margin: 0 auto; }
.founder-quote-mark {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.founder blockquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: var(--leading-snug);
  margin: 0 0 var(--space-6);
}
.founder-attribution { display: flex; align-items: center; justify-content: center; gap: var(--space-3); }
.founder-attribution img { border-radius: 8px; }
.founder-attribution div { text-align: left; }
.founder-attribution strong { display: block; font-size: var(--text-base); }
.founder-attribution span { display: block; font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Pricing ---------- */
.free-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-10);
}
.free-banner-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-brand-red);
  margin-bottom: var(--space-2);
}
.free-banner h3 { font-size: var(--text-2xl); margin-bottom: var(--space-2); color: var(--color-text-on-dark); }
.free-banner p { color: rgba(247,244,241,0.7); max-width: 32rem; }
.free-banner .btn-lg { flex-shrink: 0; }

.pricing-sub-head { text-align: center; margin-bottom: var(--space-6); }
.pricing-sub-head h3 { font-size: var(--text-xl); margin-bottom: var(--space-1); }
.pricing-sub-head p { color: var(--color-text-muted); font-size: var(--text-sm); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.plan-card {
  position: relative;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
}
.plan-card.is-featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-red);
  transform: translateY(-6px);
}
.plan-badge {
  position: absolute;
  top: -12px; left: var(--space-5);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
}
.plan-card h4 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.plan-price { display: flex; align-items: baseline; gap: 0.2rem; margin-bottom: var(--space-3); }
.plan-price .amt { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; }
.plan-price .per { color: var(--color-text-faint); font-size: var(--text-sm); }
.plan-desc { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: var(--space-5); min-height: 3rem; }
.plan-features { list-style: none; padding: 0; margin: 0 0 var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.plan-features li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: 1.4rem;
  position: relative;
}
.plan-features li::before {
  content: '';
  position: absolute; left: 0; top: 0.45em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}
.plan-card .btn { width: 100%; }
.pricing-footnote { text-align: center; font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-6); }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-10); }
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
}
.faq-item summary {
  font-weight: 700;
  font-size: var(--text-base);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 400;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--color-text-muted); margin-top: var(--space-3); font-size: var(--text-sm); }

/* ---------- Final CTA / Form ---------- */
.final-cta { background: var(--color-ink); color: var(--color-text-on-dark); }
.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}
.final-cta-copy h2 { color: var(--color-text-on-dark); font-size: var(--text-3xl); margin: var(--space-3) 0 var(--space-4); }
.final-cta-copy p { color: rgba(247,244,241,0.65); font-size: var(--text-lg); margin-bottom: var(--space-6); }
.check-list-light li { color: var(--color-text-on-dark); }
.check-list-light li::before { background: rgba(222,27,34,0.25); }

.form-card {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}
.field { margin-bottom: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.field label { font-size: var(--text-sm); font-weight: 700; }
.field .optional { color: var(--color-text-faint); font-weight: 400; }
.field input {
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color 0.15s;
}
.field input:focus { outline: none; border-color: var(--color-primary); }
.form-error { color: var(--color-primary); font-size: var(--text-sm); font-weight: 600; margin: var(--space-3) 0 0; min-height: 1px; }
.form-privacy { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); text-align: center; }
.btn.is-loading { opacity: 0.7; pointer-events: none; }

.form-success { text-align: center; padding: var(--space-6) 0; }
.success-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--color-success-bg);
  color: var(--color-success);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-4);
}
.form-success h3 { font-size: var(--text-xl); margin-bottom: var(--space-2); }
.form-success p { color: var(--color-text-muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-surface-2); border-top: 1px solid var(--color-border); padding: var(--space-10) 0 var(--space-5); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.footer-brand p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-3); }
.footer-contact { display: flex; flex-direction: column; gap: var(--space-2); font-size: var(--text-sm); }
.footer-contact strong { font-size: var(--text-base); }
.footer-contact a { color: var(--color-text-muted); }
.footer-contact a:hover { color: var(--color-primary); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-2); font-size: var(--text-sm); }
.footer-links a { color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.footer-bottom { padding-top: var(--space-5); font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- Admin modal ---------- */
.admin-overlay {
  position: fixed; inset: 0;
  background: rgba(10,9,8,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: var(--space-5);
}
.admin-overlay[hidden] { display: none; }
.admin-modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 40rem;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.admin-modal h3 { margin-bottom: var(--space-4); }
#admin-key { width: 100%; padding: 0.8rem 1rem; border-radius: var(--radius-sm); border: 1.5px solid var(--color-border); background: var(--color-bg); color: var(--color-text); margin-bottom: var(--space-3); font-size: var(--text-base); }
.admin-table-wrap { overflow-x: auto; }
#admin-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
#admin-table th, #admin-table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.admin-close { margin-top: var(--space-5); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid, .inside-grid, .final-cta-inner { grid-template-columns: 1fr; }
  .how-visual, .inside-grid .report-mock { order: -1; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-card.is-featured { transform: none; }
  .faq-grid { grid-template-columns: 1fr; }
  .site-nav { display: none; }
  .free-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 620px) {
  .header-inner { height: 68px; }
  .brand-word { font-size: 1.05rem; }
  .header-cta { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero-actions .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
}