/* ===== Fonts ===== */
@font-face {
  font-family: "PP Mori";
  src: url("https://asset.myepigraph.com/design-assets/fonts/PPMori/PPMori-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "PP Mori";
  src: url("https://asset.myepigraph.com/design-assets/fonts/PPMori/PPMori-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

/* ===== Tokens ===== */
:root {
  --dusk-500: #111B22;
  --dusk-400: #223644;
  --sky-500: #759AFF;
  --sky-600: #4276CF;
  --honeydew-500: #D0E0CB;
  --honeydew-100: #E2ECDF;
  --sea-salt-50: #F8FBF6;
  --white: #FFFFFF;
  --jet-400: #999999;

  --font: "PP Mori", system-ui, -apple-system, sans-serif;
  --container: 1120px;
  --radius: 12px;
  --radius-sm: 8px;
}

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

/* ===== Base ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--dusk-500);
  background: var(--sea-salt-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--sky-500);
  text-decoration: none;
}

a:hover {
  color: var(--sky-600);
}

ul {
  list-style: none;
}

code {
  background: var(--honeydew-100);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ===== Container ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--sea-salt-50);
  border-bottom: 1px solid var(--honeydew-500);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.wordmark {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--dusk-500);
  letter-spacing: -0.02em;
}

.wordmark:hover {
  color: var(--dusk-500);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--dusk-400);
  font-size: 0.9rem;
  font-weight: 400;
  transition: color 0.15s;
}

.nav a:hover {
  color: var(--sky-500);
}

.nav-external::after {
  content: "\2197";
  margin-left: 3px;
  font-size: 0.75em;
}

/* ===== Hero ===== */
.hero {
  padding: 96px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: 720px;
  margin: 0 auto;
}

.hero-sub {
  margin-top: 20px;
  font-size: 1.125rem;
  color: var(--dusk-400);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  margin-top: 36px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}

.btn-primary {
  background: var(--sky-500);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--sky-600);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--dusk-500);
  border: 1.5px solid var(--dusk-500);
}

.btn-secondary:hover {
  background: var(--dusk-500);
  color: var(--white);
}

/* ===== Features ===== */
.features {
  padding: 80px 0;
  background: var(--honeydew-100);
}

.features h2,
.how-it-works h2,
.setup h2,
.faq h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

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

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sea-salt-50);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.card-screenshot {
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--sea-salt-50);
}

.card-screenshot img {
  width: 100%;
  height: auto;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card > p {
  color: var(--dusk-400);
  font-size: 0.925rem;
  margin-bottom: 16px;
}

.card-caps {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-caps li {
  font-size: 0.85rem;
  color: var(--dusk-400);
  padding-left: 18px;
  position: relative;
}

.card-caps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--honeydew-500);
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 80px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  text-align: center;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--sky-500);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.step p {
  color: var(--dusk-400);
  font-size: 0.925rem;
  max-width: 300px;
  margin: 0 auto;
}

/* ===== Setup ===== */
.setup {
  padding: 80px 0;
  background: var(--honeydew-100);
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.setup-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.setup-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.setup-item p,
.setup-item li {
  color: var(--dusk-400);
  font-size: 0.925rem;
}

.setup-item ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.setup-item li {
  padding-left: 18px;
  position: relative;
}

.setup-item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--honeydew-500);
}

.setup-item a {
  font-weight: 700;
}

/* ===== Docs Section (Adding Blocks) ===== */
.docs-section {
  padding: 80px 0;
}

.docs-section h2,
.reference-section h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--dusk-400);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

.docs-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.docs-col {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 2px solid transparent;
}

.docs-col--rec {
  border-color: var(--sky-500);
}

.docs-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--honeydew-100);
  color: var(--dusk-400);
  margin-bottom: 12px;
}

.docs-badge--rec {
  background: var(--sky-500);
  color: var(--white);
}

.docs-col h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.docs-rec {
  font-size: 0.85rem;
  color: var(--jet-400);
  margin-bottom: 12px;
}

.docs-col > p {
  font-size: 0.925rem;
  color: var(--dusk-400);
  margin-bottom: 16px;
}

.docs-steps {
  list-style: none;
  counter-reset: docs-step;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.docs-steps li {
  counter-increment: docs-step;
  font-size: 0.9rem;
  color: var(--dusk-400);
  padding-left: 28px;
  position: relative;
}

.docs-steps li::before {
  content: counter(docs-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--honeydew-500);
  color: var(--dusk-500);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.docs-tip {
  margin-top: 16px;
  font-size: 0.85rem !important;
  color: var(--dusk-400) !important;
  padding: 12px 16px;
  background: var(--sea-salt-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--sky-500);
}

/* Identifier callout */
.docs-callout {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.docs-callout h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.docs-callout > p {
  font-size: 0.925rem;
  color: var(--dusk-400);
  margin-bottom: 16px;
}

.docs-callout > p:last-child {
  margin-bottom: 0;
  margin-top: 16px;
}

.docs-id-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.docs-id-card {
  background: var(--sea-salt-50);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.docs-id-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.docs-default {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--sky-500);
  color: var(--white);
}

.docs-id-card p {
  font-size: 0.875rem;
  color: var(--dusk-400);
}

/* ===== Reference Section (Block Settings) ===== */
.reference-section {
  padding: 80px 0;
  background: var(--honeydew-100);
}

.ref-block {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  margin-bottom: 24px;
}

.ref-block:last-child {
  margin-bottom: 0;
}

.ref-block h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.ref-intro {
  color: var(--dusk-400);
  font-size: 0.95rem;
  margin-bottom: 24px;
  max-width: 720px;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ref-table th {
  text-align: left;
  font-weight: 700;
  padding: 10px 12px;
  border-bottom: 2px solid var(--honeydew-500);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dusk-400);
}

.ref-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--honeydew-100);
  vertical-align: top;
  color: var(--dusk-400);
}

.ref-table td:first-child {
  font-weight: 700;
  color: var(--dusk-500);
  white-space: nowrap;
}

.ref-table td:nth-child(2) {
  color: var(--jet-400);
  white-space: nowrap;
}

.ref-table td:nth-child(3) {
  white-space: nowrap;
}

.ref-group td {
  font-weight: 700 !important;
  color: var(--dusk-500) !important;
  background: var(--sea-salt-50);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  border-bottom: none;
}

.ref-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 4px;
}

/* ===== FAQ ===== */
.faq {
  padding: 80px 0;
}

.accordion {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.accordion-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.accordion-item summary {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 0.975rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background 0.15s;
}

.accordion-item summary:hover {
  background: var(--sea-salt-50);
}

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

.accordion-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--jet-400);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.accordion-item[open] summary::after {
  content: "\2212";
}

.accordion-body {
  padding: 0 24px 18px;
}

.accordion-body p {
  color: var(--dusk-400);
  font-size: 0.925rem;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--honeydew-500);
}

.footer-inner {
  text-align: center;
}

.footer-inner p {
  font-size: 0.925rem;
  color: var(--dusk-400);
}

.footer-inner a {
  font-weight: 700;
}

.copyright {
  margin-top: 8px;
  font-size: 0.85rem !important;
  color: var(--jet-400) !important;
}

/* ===== Responsive ===== */

/* Tablet */
@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .setup-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .features,
  .how-it-works,
  .setup,
  .docs-section,
  .reference-section,
  .faq {
    padding: 56px 0;
  }

  .docs-cols {
    grid-template-columns: 1fr;
  }

  .docs-id-grid {
    grid-template-columns: 1fr;
  }

  /* Make ref tables horizontally scrollable */
  .ref-block {
    padding: 28px 20px;
    overflow-x: auto;
  }

  .ref-table {
    min-width: 600px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  .header-inner {
    height: 56px;
  }

  .nav {
    gap: 16px;
  }

  .nav a {
    font-size: 0.8rem;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .btn {
    padding: 11px 22px;
    font-size: 0.9rem;
  }

  .docs-col {
    padding: 24px 20px;
  }

  .ref-block {
    padding: 24px 16px;
  }
}