/* ══════════════════════════════════════════
   v2a — Cool & Clean
   Slate base, blue accent, sans-serif headings,
   medium font sizes, sharp SaaS feel.
   ══════════════════════════════════════════ */

:root {
  --bg: #f5f7fa;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --ink: #1a1a2e;
  --ink-soft: #2d2d44;
  --muted: #5f6780;
  --line: rgba(26, 26, 46, 0.1);
  --accent: #3b5bdb;
  --accent-deep: #2b44a8;
  --accent-soft: rgba(59, 91, 219, 0.1);
  --teal: #0891b2;
  --teal-soft: rgba(8, 145, 178, 0.08);
  --critical: #c0392b;
  --critical-soft: rgba(192, 57, 43, 0.07);
  --warning: #d4850e;
  --warning-soft: rgba(212, 133, 14, 0.07);
  --safe: #1e8449;
  --safe-soft: rgba(30, 132, 73, 0.07);
  --shadow-lg: 0 20px 60px rgba(26, 26, 46, 0.1);
  --shadow-md: 0 12px 32px rgba(26, 26, 46, 0.07);
  --shadow-sm: 0 4px 16px rgba(26, 26, 46, 0.05);
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --content-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(180deg, #eef1f6 0%, var(--bg) 40%, #e8ecf2 100%);
  font-family: "Inter", "Segoe UI", -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 5%, rgba(59, 91, 219, 0.06), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(8, 145, 178, 0.05), transparent 25%);
  pointer-events: none;
}

.site-shell {
  position: relative;
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
  padding: 24px 0 80px;
}

/* ── Header ── */

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 56px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand-text,
.site-nav a,
.button {
  font-size: 0.9rem;
}

.brand-text {
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 150ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

/* ── Buttons ── */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    background-color 150ms ease;
  cursor: pointer;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 8px 24px rgba(59, 91, 219, 0.28);
}

.button-primary:hover {
  box-shadow: 0 12px 32px rgba(59, 91, 219, 0.36);
}

.button-secondary,
.button-outline {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.5);
  border-color: var(--line);
}

.button-secondary:hover,
.button-outline:hover,
.button-secondary:focus-visible,
.button-outline:focus-visible {
  background: rgba(255, 255, 255, 0.85);
}

/* ── Hero ── */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 40px;
  align-items: start;
  padding: 24px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Inter", "Segoe UI", -apple-system, sans-serif;
  line-height: 1.1;
}

h1 {
  max-width: 16ch;
  font-size: clamp(2.6rem, 4.5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  max-width: 18ch;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.015em;
}

.hero-text,
.offer-text,
.info-card p,
.fix-card p,
.process-card p,
.faq-item p,
.form-intro,
.offer-footnote,
.signal-card p,
.site-footer p {
  color: var(--muted);
}

.hero-text {
  max-width: 52ch;
  margin: 20px 0 28px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-points {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* ── Audit card ── */

.hero-panel {
  position: relative;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 91, 219, 0.08), transparent 65%);
  filter: blur(8px);
}

.panel-card,
.signal-card,
.info-card,
.fix-card,
.process-card,
.offer-card,
.form-card,
.faq-item {
  position: relative;
  border: 1px solid rgba(26, 26, 46, 0.06);
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform 250ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 250ms cubic-bezier(0.22, 1, 0.36, 1);
}

.info-card:hover,
.fix-card:hover,
.process-card:hover,
.faq-item:hover,
.signal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.audit-card {
  overflow: hidden;
  padding: 24px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.audit-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(59, 91, 219, 0.03), transparent 40%);
  pointer-events: none;
}

.audit-header,
.audit-metrics,
.issue-list,
.mini-diff,
.offer-price {
  position: relative;
  z-index: 1;
}

.audit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.audit-label,
.metric-label,
.diff-label,
.price-note {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.audit-label {
  margin: 0;
  color: var(--teal);
}

.audit-badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 700;
}

.audit-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.metric {
  padding: 16px 14px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid var(--line);
}

.metric-critical { border-left: 3px solid var(--critical); }
.metric-warning { border-left: 3px solid var(--warning); }
.metric-safe { border-left: 3px solid var(--safe); }

.metric-number,
.signal-number,
.price {
  display: block;
  font-weight: 800;
  line-height: 1;
}

.metric-number {
  margin-bottom: 6px;
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}

.metric-critical .metric-number { color: var(--critical); }
.metric-warning .metric-number { color: var(--warning); }
.metric-safe .metric-number { color: var(--safe); }

.metric-label {
  color: var(--muted);
}

.issue-list {
  display: grid;
  gap: 8px;
}

.issue-item {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--bg);
}

.issue-item p,
.mini-diff p {
  margin: 5px 0 0;
  font-size: 0.88rem;
}

.issue-severity {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.issue-critical { border-color: rgba(192, 57, 43, 0.12); }
.issue-critical .issue-severity { color: var(--critical); background: var(--critical-soft); }
.issue-warning { border-color: rgba(212, 133, 14, 0.12); }
.issue-warning .issue-severity { color: var(--warning); background: var(--warning-soft); }
.issue-safe { border-color: rgba(30, 132, 73, 0.12); }
.issue-safe .issue-severity { color: var(--safe); background: var(--safe-soft); }

.mini-diff {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.mini-diff > div {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

.diff-before {
  background: rgba(192, 57, 43, 0.04);
  border: 1px solid rgba(192, 57, 43, 0.1);
}

.diff-after {
  background: rgba(30, 132, 73, 0.04);
  border: 1px solid rgba(30, 132, 73, 0.1);
}

.diff-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.diff-before .diff-label { color: var(--critical); }
.diff-after .diff-label { color: var(--safe); }

.mini-diff code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  color: var(--ink);
}

/* ── Signal strip ── */

.signal-strip,
.three-up,
.fix-grid,
.process-grid,
.faq-list,
.offer-section {
  display: grid;
}

.signal-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0 36px;
}

.signal-card {
  padding: 24px;
  text-align: center;
}

.signal-icon {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.signal-number {
  margin-bottom: 6px;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  color: var(--accent);
}

/* ── Sections ── */

.section {
  padding: 72px 0 8px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.section-heading h2 {
  max-width: 16ch;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card,
.fix-card,
.process-card,
.faq-item {
  padding: 24px;
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
}

.info-card p,
.fix-card p,
.process-card p,
.faq-item p {
  margin: 10px 0 0;
  font-size: 0.93rem;
  line-height: 1.6;
}

.fix-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.fix-card {
  min-height: 190px;
  border-top: 3px solid transparent;
}

.fix-card:nth-child(1) { border-top-color: var(--accent); }
.fix-card:nth-child(2) { border-top-color: var(--critical); }
.fix-card:nth-child(3) { border-top-color: var(--warning); }
.fix-card:nth-child(4) { border-top-color: var(--teal); }
.fix-card:nth-child(5) { border-top-color: var(--safe); }
.fix-card:nth-child(6) { border-top-color: var(--accent-deep); }
.fix-card:nth-child(7) { border-top-color: var(--critical); }
.fix-card:nth-child(8) { border-top-color: var(--warning); }

.process-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.process-card {
  min-height: 220px;
}

.step-number {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ── Offer ── */

.offer-section {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 28px;
  align-items: start;
}

.offer-copy {
  padding-right: 14px;
}

.offer-text {
  max-width: 52ch;
  margin: 16px 0 24px;
  font-size: 1rem;
  line-height: 1.7;
}

.offer-card {
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(59, 91, 219, 0.15);
}

.offer-price {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-bottom: 22px;
}

.price {
  font-size: clamp(2.8rem, 5vw, 3.8rem);
  letter-spacing: -0.05em;
  color: var(--accent-deep);
}

.price-note {
  color: var(--muted);
  padding-bottom: 5px;
}

.offer-list {
  display: grid;
  gap: 8px;
  padding-left: 0;
  margin: 0 0 20px;
  list-style: none;
}

.offer-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.93rem;
}

.offer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--safe);
  opacity: 0.6;
}

.offer-footnote {
  margin: 0;
  font-size: 0.88rem;
}

/* ── Form ── */

.form-card {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.form-card h3 {
  margin-bottom: 8px;
}

.form-intro {
  margin: 0 0 18px;
  font-size: 0.93rem;
}

form {
  display: grid;
  gap: 12px;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: -4px;
  color: var(--ink-soft);
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(59, 91, 219, 0.4);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: rgba(95, 103, 128, 0.5);
}

textarea {
  resize: vertical;
}

.form-button {
  width: 100%;
  margin-top: 6px;
}

.form-status {
  min-height: 1.5em;
  margin: 0;
  color: var(--teal);
  font-size: 0.88rem;
}

/* ── FAQ ── */

.faq-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.faq-item h3 {
  line-height: 1.25;
}

/* ── Footer ── */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 80px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark-sm {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 0.65rem;
}

.footer-name {
  margin: 0;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink);
}

.footer-tagline {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

/* ── Animations ── */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 500ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .reveal, .info-card, .fix-card, .process-card, .faq-item, .signal-card { transition: none; }
  .button:hover, .button:focus-visible { transform: none; }
  .info-card:hover, .fix-card:hover, .process-card:hover, .faq-item:hover, .signal-card:hover { transform: none; }
}

@media (max-width: 1100px) {
  .site-header { padding: 12px 18px; border-radius: 24px; }
  .site-nav { display: none; }
  .hero, .offer-section, .three-up, .process-grid, .faq-list { grid-template-columns: 1fr; }
  .fix-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .signal-strip { grid-template-columns: 1fr; }
  h1, h2, .section-heading h2 { max-width: none; }
}

@media (max-width: 720px) {
  .site-shell { width: min(calc(100% - 24px), var(--content-width)); padding-top: 16px; }
  .site-header { top: 10px; flex-wrap: wrap; justify-content: center; }
  .header-cta { width: 100%; }
  .hero { gap: 24px; padding-top: 12px; }
  .audit-metrics, .mini-diff, .fix-grid { grid-template-columns: 1fr; }
  .audit-card, .signal-card, .info-card, .fix-card, .process-card, .offer-card, .form-card, .faq-item { border-radius: 16px; }
  .section { padding-top: 52px; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}