/* Fathom Pulse marketing site - shared styles */

:root {
  color-scheme: light dark;

  --brand: #1b4965;
  --brand-strong: #123449;
  --accent: #5fa8d3;
  --accent-soft: #cae9ff;

  --bg: #fbfbfe;
  --surface: #ffffff;
  --surface-2: #f2f4f8;
  --border: #e2e6ee;
  --text: #16202a;
  --text-muted: #56626f;

  --good: #0ca30c;
  --warn: #d98c00;
  --bad: #d03b3b;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 32, 0.04), 0 8px 24px rgba(16, 24, 32, 0.06);
  --max-width: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1520;
    --surface: #141d29;
    --surface-2: #1a2532;
    --border: #263140;
    --text: #eaf0f6;
    --text-muted: #9aa8b6;
    --accent: #7cbde0;
    --accent-soft: #234258;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: var(--brand);
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  a {
    color: var(--accent);
  }
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand .mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.brand .mark svg {
  width: 18px;
  height: 18px;
}

nav.primary {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14.5px;
  font-weight: 500;
}

nav.primary a {
  color: var(--text-muted);
}

nav.primary a:hover {
  color: var(--text);
  text-decoration: none;
}

nav.primary a.current {
  color: var(--brand);
}

@media (prefers-color-scheme: dark) {
  nav.primary a.current {
    color: var(--accent);
  }
}

.nav-toggle {
  display: none;
}

@media (max-width: 720px) {
  nav.primary {
    display: none;
  }
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-strong);
}

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

.btn-ghost:hover {
  background: var(--surface-2);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13.5px;
}

/* ---- Hero ---- */

.hero {
  padding: 88px 0 64px;
  text-align: center;
}

.hero .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

@media (prefers-color-scheme: dark) {
  .hero .eyebrow {
    color: var(--accent);
  }
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 32px;
}

.hero .actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---- Sections ---- */

section {
  padding: 56px 0;
}

section.alt {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

h2.section-title {
  font-size: clamp(24px, 3.4vw, 32px);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  text-align: center;
}

p.section-sub {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  font-size: 16px;
}

/* ---- Feature grid ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 780px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

@media (prefers-color-scheme: dark) {
  .card .icon {
    color: var(--accent);
  }
}

.card h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.card p {
  color: var(--text-muted);
  font-size: 14.5px;
  margin: 0;
}

/* ---- Screenshot showcase ---- */

.showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 880px;
  margin: 0 auto 48px;
}

@media (max-width: 720px) {
  .showcase {
    grid-template-columns: 1fr;
  }
}

.shot {
  margin: 0;
}

.shot img {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.shot figcaption {
  margin-top: 14px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.showcase-features.grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 880px;
  margin: 0 auto;
}

@media (max-width: 720px) {
  .showcase-features.grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Pricing ---- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

@media (max-width: 960px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.plan.pro {
  border-color: var(--brand);
  position: relative;
}

.plan .plan-name {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.plan.pro .plan-name {
  color: var(--brand);
}

@media (prefers-color-scheme: dark) {
  .plan.pro .plan-name {
    color: var(--accent);
  }
}

.plan .price {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 4px;
}

.plan .price span {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}

.plan .plan-sub {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 22px;
}

.plan ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}

.plan ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  font-size: 14.5px;
}

.plan ul li .tick {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  color: var(--good);
}

.plan ul li.locked {
  color: var(--text-muted);
}

.plan ul li.locked .tick {
  color: var(--text-muted);
}

/* ---- FAQ / accordion ---- */

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .plus {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 16px;
  transition: transform 0.15s ease;
}

.faq-item[open] summary .plus {
  transform: rotate(45deg);
}

.faq-item .faq-body {
  padding: 0 0 22px;
  color: var(--text-muted);
  font-size: 15px;
  max-width: 720px;
}

.faq-body p {
  margin: 0 0 10px;
}

.faq-body p:last-child {
  margin-bottom: 0;
}

.faq-group-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand);
  margin: 40px 0 6px;
}

@media (prefers-color-scheme: dark) {
  .faq-group-title {
    color: var(--accent);
  }
}

.faq-group-title:first-child {
  margin-top: 0;
}

/* ---- How-to steps ---- */

.steps {
  counter-reset: step;
  max-width: 720px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step .num {
  counter-increment: step;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step .num::before {
  content: counter(step);
}

.step h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
}

.step code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.92em;
}

/* ---- Legal pages ---- */

.legal h1 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 6px;
}

.legal .updated {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 20px;
  margin: 36px 0 12px;
}

.legal h3 {
  font-size: 16px;
  margin: 22px 0 8px;
}

.legal p,
.legal li {
  color: var(--text-muted);
  font-size: 15.5px;
}

.legal ul,
.legal ol {
  padding-left: 22px;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14.5px;
}

.legal th,
.legal td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.legal th {
  background: var(--surface-2);
  color: var(--text);
}

.callout {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 20px 0;
  font-size: 14.5px;
  color: var(--text-muted);
}

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer .links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
}

.site-footer .links a {
  color: var(--text-muted);
}

.site-footer .copyright {
  color: var(--text-muted);
  font-size: 13.5px;
}

.disclaimer-banner {
  background: var(--accent-soft);
  color: var(--brand);
  text-align: center;
  font-size: 13.5px;
  padding: 8px 16px;
}

@media (prefers-color-scheme: dark) {
  .disclaimer-banner {
    color: var(--accent);
  }
}