/* ══════════════════════════════════════════════
   HailAnalyzer — Landing Page Styles
   B2B SaaS, light theme, Inter font
   ══════════════════════════════════════════════ */

:root {
  --c-bg:        #ffffff;
  --c-surface:   #f8f9fb;
  --c-surface2:  #f1f3f7;
  --c-border:    #e4e7ed;
  --c-text:      #0f172a;
  --c-text-2:    #475569;
  --c-text-3:    #94a3b8;
  --c-accent:    #1d4ed8;
  --c-accent-h:  #1e40af;
  --c-accent-lt: #eff6ff;
  --c-danger:    #dc2626;
  --c-warn:      #d97706;
  --c-good:      #16a34a;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.12);
  --nav-h:       60px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Layout helpers ─── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--c-text-2);
  max-width: 600px;
  margin-bottom: 48px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.btn-primary:hover { background: var(--c-accent-h); border-color: var(--c-accent-h); }

.btn-outline {
  background: transparent;
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.btn-outline:hover { background: var(--c-accent-lt); }

.btn-ghost {
  background: transparent;
  color: var(--c-text-2);
  border-color: var(--c-border);
}
.btn-ghost:hover { background: var(--c-surface); color: var(--c-text); }

.btn-google {
  background: #fff;
  color: var(--c-text);
  border-color: var(--c-border);
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.btn-google:hover { background: var(--c-surface); }

.btn-lg {
  padding: 13px 28px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-block { width: 100%; justify-content: center; }

/* ─── Navigation ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 32px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.nav-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-text);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-right: auto;
}
.nav-links a {
  color: var(--c-text-2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color .15s;
}
.nav-links a:hover { color: var(--c-text); }

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 24px 64px;
  background: linear-gradient(165deg, #fff 0%, #f0f5ff 55%, #e8f0fe 100%);
  text-align: center;
  gap: 56px;
}

/* Interactive hail overlay — never blocks clicks, sits above hero content */
#hail-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

.hero-inner {
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 5px 14px;
  background: var(--c-accent-lt);
  color: var(--c-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 20px;
  border: 1px solid #bfdbfe;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--c-accent);
}
.hero-title em {
  font-style: normal;
  color: var(--c-accent);
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--c-text-2);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--c-text-3);
}

/* ─── App preview card ─── */
.hero-preview {
  width: 100%;
  max-width: 780px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-lg);
  background: var(--c-surface);
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: #e8eaed;
  border-bottom: 1px solid var(--c-border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #fc5c5c; }
.dot-y { background: #fdbc40; }
.dot-g { background: #35c759; }

.preview-url {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--c-text-3);
  background: #fff;
  padding: 2px 12px;
  border-radius: 20px;
  border: 1px solid var(--c-border);
}

.preview-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.preview-body-screenshot {
  padding: 0;
  overflow: hidden;
  border-radius: 0 0 20px 20px;
}

.preview-screenshot {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 20px 20px;
}

.preview-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #d1d5db;
  border: 1px solid var(--c-border);
  position: relative;
}

.preview-map-label {
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: rgba(0,0,0,.45);
  padding: 2px 8px;
  border-radius: 4px;
  z-index: 1;
}

.preview-heatmap svg {
  width: 100%;
  height: 200px;
  display: block;
}

.preview-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.preview-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  text-align: left;
}

.preview-card-accent {
  border-color: var(--c-accent);
  box-shadow: inset 0 0 0 1px var(--c-accent);
}

.pc-label { font-size: 0.68rem; color: var(--c-text-3); margin-bottom: 4px; font-weight: 500; }
.pc-value { font-size: 1.3rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.pc-sub { font-size: 0.65rem; color: var(--c-text-3); }
.risk-high { color: var(--c-danger) !important; font-weight: 600; }

/* ─── Pain section ─── */
.pain-section {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.pain-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.pain-icon { font-size: 2rem; margin-bottom: 14px; }
.pain-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.pain-card p { font-size: 0.9rem; color: var(--c-text-2); line-height: 1.6; }

/* ─── Features section ─── */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 60px;
  margin-top: 48px;
}

.feature-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.feature-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: .05em;
}

.feature-svg {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: var(--c-accent);
  background: var(--c-accent-lt);
  border-radius: var(--radius-md);
  padding: 8px;
}

.feature-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--c-text-2);
  line-height: 1.65;
}

.feature-item p em {
  font-style: normal;
  color: var(--c-text);
  font-weight: 500;
}

/* ─── Trust bar ─── */
.trust-bar {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 20px 0;
}

.trust-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.trust-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-text-3);
  flex-shrink: 0;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: 14px 28px;
  flex-wrap: wrap;
}

.trust-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text-2);
}

.trust-logo-img {
  height: 26px;
  width: auto;
  max-width: 64px;
  object-fit: contain;
  display: block;
}

.trust-divider { color: var(--c-border); font-size: 1rem; }

/* ─── Moat section ─── */
.moat-section { background: var(--c-surface); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }

.moat-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.moat-text p {
  font-size: 0.95rem;
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: 16px;
}

.moat-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.pill {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  color: var(--c-text-2);
}
.pill-plus, .pill-equals { background: transparent; border: none; color: var(--c-text-3); font-size: 1rem; }
.pill-accent { background: #e0e7ff; border-color: #a5b4fc; color: #3730a3; }
.pill-result { background: #dcfce7; border-color: #86efac; color: #166534; }

.moat-visual { display: flex; flex-direction: column; gap: 20px; }

.moat-card-label { font-size: 0.78rem; font-weight: 600; color: var(--c-text-2); margin-bottom: 8px; }

.moat-bar-wrap {
  background: var(--c-surface2);
  border-radius: 6px;
  height: 36px;
  overflow: hidden;
  border: 1px solid var(--c-border);
}

.moat-bar {
  height: 100%;
  background: var(--c-surface2);
  border-right: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-text-2);
}

.moat-bar-full {
  background: linear-gradient(90deg, var(--c-accent-lt), #bfdbfe);
  color: var(--c-accent-h);
  border-right: none;
}

.moat-note { font-size: 0.72rem; color: var(--c-text-3); }

/* ─── ROI section ─── */
.roi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.roi-stat {
  padding: 32px 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-bg);
  box-shadow: var(--shadow-sm);
}

.roi-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 12px;
}

.roi-desc { font-size: 0.88rem; color: var(--c-text-2); line-height: 1.65; }
.roi-note { display: block; font-size: 0.75rem; color: var(--c-text-3); margin-top: 4px; font-style: italic; }

/* ─── Pricing ─── */
.pricing-section { background: var(--c-surface); border-top: 1px solid var(--c-border); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}

.pricing-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.pricing-card-featured {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 2px var(--c-accent), var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
}

.pricing-tier {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-text-2);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1;
  margin-bottom: 24px;
}
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--c-text-3); }

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pricing-features li {
  font-size: 0.88rem;
  color: var(--c-text-2);
}
.pricing-features li:has(✗) { color: var(--c-text-3); }

.coming-soon {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  background: #fef3c7;
  color: #92400e;
  padding: 2px 6px;
  border-radius: 4px;
  vertical-align: middle;
}

.pricing-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--c-text-3);
  margin-top: 24px;
  font-style: italic;
}

/* ─── Final CTA ─── */
.final-cta-section {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 60%, #2563eb 100%);
  padding: 96px 24px;
  text-align: center;
}

.final-cta-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.final-cta-inner p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 32px;
}

.final-cta-section .btn-primary {
  background: #fff;
  color: var(--c-accent);
  border-color: #fff;
}
.final-cta-section .btn-primary:hover { background: #eff6ff; }

/* ─── Legal & disclaimer ─── */
.legal-section {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
}

.legal-inner { max-width: 820px; }

.legal-academic {
  background: var(--c-accent-lt);
  border: 1px solid #dbe4ff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.legal-academic h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--c-accent-h);
}

.legal-academic p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-text-2);
}
.legal-academic p:last-child { margin-bottom: 0; }

.legal-block {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-bg);
  margin-bottom: 14px;
}

.legal-block > summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.legal-block > summary::-webkit-details-marker { display: none; }

.legal-block > summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--c-text-3);
  font-weight: 400;
}
.legal-block[open] > summary::after { content: "–"; }

.legal-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--c-border);
}

.legal-body h4 {
  margin: 18px 0 6px;
  font-size: 0.9rem;
  color: var(--c-text);
}

.legal-body p,
.legal-body li {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--c-text-2);
}

.legal-body ul { padding-left: 20px; margin: 6px 0; }
.legal-body li { margin-bottom: 8px; }

.legal-updated {
  font-size: 0.78rem !important;
  color: var(--c-text-3);
  font-style: italic;
  margin-top: 14px;
}

.legal-body a { color: var(--c-accent); }

.footer-legal-links { display: flex; gap: 16px; }
.footer-legal-links a {
  color: var(--c-text-2);
  text-decoration: none;
}
.footer-legal-links a:hover { color: var(--c-text); text-decoration: underline; }

/* ─── Footer ─── */
.footer {
  padding: 24px;
  border-top: 1px solid var(--c-border);
  background: var(--c-bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--c-text-3);
  flex-wrap: wrap;
}

/* ─── Auth modal ─── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  backdrop-filter: blur(4px);
  animation: fadeIn .15s ease;
}

.modal-backdrop.hidden { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--c-bg);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  animation: slideUp .2s ease;
}

@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--c-text-3);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background .1s;
}
.modal-close:hover { background: var(--c-surface); }

.modal-logo { font-size: 2.4rem; margin-bottom: 16px; }
.modal-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.modal-sub { font-size: 0.88rem; color: var(--c-text-2); margin-bottom: 28px; }
.modal-terms { font-size: 0.72rem; color: var(--c-text-3); margin-top: 14px; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .pain-grid,
  .roi-grid,
  .pricing-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; gap: 32px; }
  .moat-inner { grid-template-columns: 1fr; gap: 40px; }
  .preview-metrics { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero { padding: 56px 20px 48px; }
  .section { padding: 64px 0; }
  .hero-ctas { flex-direction: column; align-items: center; }
}