/* API Analytics — Ledger Mist theme */
:root {
  --ink: #15233a;
  --ink-soft: #3d4f66;
  --mist: #e4ecf1;
  --paper: #f3f7f9;
  --white: #ffffff;
  --teal: #1a6b63;
  --teal-deep: #0e4a45;
  --teal-light: #9fd4ce;
  --line: #c5d3dc;
  --warn: #8b3a2f;
  --ok: #1a6b63;
  --shadow: 0 18px 50px rgba(21, 35, 58, 0.08);
  --radius: 4px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
  --max: 1120px;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(159, 212, 206, 0.35), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(61, 79, 102, 0.08), transparent 50%),
    linear-gradient(180deg, var(--mist) 0%, var(--paper) 38%, var(--paper) 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--teal);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 550;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.35rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.45rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }

p { margin: 0 0 1rem; }

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(243, 247, 249, 0.88);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.logo span {
  color: var(--teal);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--teal-deep);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.45rem 0.7rem;
  font: inherit;
  cursor: pointer;
  color: var(--ink);
  border-radius: var(--radius);
}

.site-footer {
  margin-top: 4.5rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(21, 35, 58, 0.03), rgba(26, 107, 99, 0.06));
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}

.footer-grid h3 {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.85rem;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li { margin-bottom: 0.45rem; }

.footer-grid a {
  text-decoration: none;
  color: var(--ink-soft);
}

.footer-grid a:hover { color: var(--teal); }

.footer-meta {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.address-block {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.detail-layout {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.4fr 0.8fr;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  font: inherit;
  font-weight: 560;
  font-size: 0.98rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.btn--primary:hover {
  background: var(--teal-deep);
  color: var(--white);
}

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

.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.btn--light {
  background: var(--white);
  color: var(--teal-deep);
  border-color: var(--white);
}

/* Hero — brand-forward, full-bleed */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroDrift 22s ease-in-out infinite alternate;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(105deg, rgba(14, 74, 69, 0.88) 0%, rgba(21, 35, 58, 0.55) 48%, rgba(21, 35, 58, 0.35) 100%),
    linear-gradient(0deg, rgba(21, 35, 58, 0.55), transparent 45%);
}

.hero__content {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 5.5rem 0 3.5rem;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin: 0 0 1.25rem;
  animation: riseIn 0.9s ease both;
}

.hero__line {
  max-width: 34rem;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(243, 247, 249, 0.92);
  margin-bottom: 1.75rem;
  animation: riseIn 0.9s ease 0.12s both;
}

.hero__cta {
  animation: riseIn 0.9s ease 0.22s both;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroDrift {
  from { transform: scale(1.05) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.5%, -1%); }
}

.section {
  padding: 4.25rem 0;
}

.section--tight { padding: 3rem 0; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.65rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 40rem;
}

.split {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.quote-rail {
  border-left: 3px solid var(--teal);
  padding-left: 1.25rem;
  margin: 0;
}

.quote-rail p {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.35;
  color: var(--ink);
}

.quote-rail footer {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat {
  padding-top: 1rem;
  border-top: 2px solid var(--teal-light);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--teal-deep);
  letter-spacing: -0.03em;
}

.stat span {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.course-grid,
.blog-grid,
.tier-grid,
.review-grid {
  display: grid;
  gap: 1.75rem;
}

.course-grid { grid-template-columns: repeat(3, 1fr); }
.blog-grid { grid-template-columns: repeat(2, 1fr); }
.tier-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.review-grid { grid-template-columns: 1fr 1fr; }

.course-item,
.blog-item {
  display: grid;
  gap: 0.85rem;
}

.course-item a,
.blog-item a {
  text-decoration: none;
  color: inherit;
}

.course-item img,
.blog-item img,
.page-hero img,
.instructor-avatar {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.92);
  transition: transform 0.45s ease, filter 0.45s ease;
}

.course-item:hover img,
.blog-item:hover img {
  transform: scale(1.02);
  filter: saturate(1.05);
}

.course-item h3,
.blog-item h3 {
  margin: 0.2rem 0;
  font-size: 1.3rem;
}

.meta {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.tier {
  padding: 1.75rem 1.5rem;
  border-top: 3px solid var(--teal);
  background: rgba(255, 255, 255, 0.55);
}

.tier--featured {
  background: rgba(26, 107, 99, 0.08);
  border-top-color: var(--teal-deep);
}

.tier .price {
  font-family: var(--font-display);
  font-size: 2.1rem;
  margin: 0.4rem 0 1rem;
}

.tier ul {
  margin: 0 0 1.5rem;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.tier li { margin-bottom: 0.4rem; }

.review {
  padding: 0 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

.review + .review { margin-top: 1.5rem; border-bottom: none; padding-bottom: 0; }

.review__stars {
  color: var(--teal);
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.review__body {
  font-size: 1.05rem;
}

.review__attr {
  margin-top: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.case-study {
  margin-top: 3rem;
  padding: 2rem 0 0;
  border-top: 1px solid var(--line);
}

.page-hero {
  position: relative;
  min-height: 320px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  aspect-ratio: auto;
  border-radius: 0;
  animation: heroDrift 28s ease-in-out infinite alternate;
}

.page-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(14, 74, 69, 0.9), rgba(21, 35, 58, 0.45));
}

.page-hero__content {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 4rem 0 2.5rem;
}

.prose {
  max-width: 42rem;
}

.prose h2 { margin-top: 2.25rem; }
.prose h3 { margin-top: 1.75rem; }
.prose ul, .prose ol { color: var(--ink-soft); padding-left: 1.2rem; }
.prose li { margin-bottom: 0.45rem; }

.module-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.module-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.25rem;
}

.module-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 560;
  color: var(--ink);
}

.faq p {
  margin: 0.75rem 0 0.25rem;
  color: var(--ink-soft);
}

.form {
  display: grid;
  gap: 1.1rem;
  max-width: 36rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 520;
  font-size: 0.95rem;
}

.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid var(--teal-light);
  border-color: var(--teal);
}

.form textarea { min-height: 140px; resize: vertical; }

.field-error {
  color: var(--warn);
  font-size: 0.88rem;
  font-weight: 450;
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.form-status--pending { background: rgba(61, 79, 102, 0.08); }
.form-status--success { background: rgba(26, 107, 99, 0.12); color: var(--teal-deep); }
.form-status--error { background: rgba(139, 58, 47, 0.1); color: var(--warn); }

.contact-panel {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.2fr 0.8fr;
}

.cookies-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.5rem 0;
}

.cookies-table th,
.cookies-table td {
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.cookies-table th {
  background: rgba(26, 107, 99, 0.08);
  font-weight: 600;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(21, 35, 58, 0.96);
  color: var(--paper);
  padding: 1.1rem 0;
  box-shadow: var(--shadow);
  animation: riseIn 0.45s ease both;
}

.cookie-banner__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.cookie-banner__text {
  margin: 0;
  flex: 1 1 280px;
  font-size: 0.95rem;
  color: rgba(243, 247, 249, 0.92);
}

.cookie-banner a {
  color: var(--teal-light);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.6rem;
}

.cookie-banner .btn--ghost {
  color: var(--paper);
  border-color: rgba(243, 247, 249, 0.35);
}

.cookie-banner .btn--ghost:hover {
  border-color: var(--teal-light);
  color: var(--teal-light);
}

.inline-error {
  background: rgba(139, 58, 47, 0.12);
  color: var(--warn);
  padding: 0.75rem 1rem;
  margin: 0.5rem 1rem;
  border-radius: var(--radius);
}

.error-page {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page .code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  color: var(--teal);
  line-height: 1;
  margin: 0;
}

.instructor {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem;
  align-items: start;
  margin: 1.5rem 0;
}

.instructor-avatar {
  aspect-ratio: 1;
  border-radius: 50%;
}

.cta-band {
  margin: 2rem 0;
  padding: 2.5rem 0;
  background:
    linear-gradient(120deg, rgba(26, 107, 99, 0.12), rgba(21, 35, 58, 0.05)),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 10px,
      rgba(26, 107, 99, 0.03) 10px,
      rgba(26, 107, 99, 0.03) 11px
    );
  border-block: 1px solid var(--line);
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.checklist li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  color: var(--ink-soft);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--teal);
  border-radius: 1px;
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1rem 1rem;
  }

  .nav.is-open { display: flex; }

  .nav a {
    padding: 0.65rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .footer-grid,
  .split,
  .course-grid,
  .blog-grid,
  .tier-grid,
  .review-grid,
  .contact-panel,
  .stat-row,
  .instructor,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .hero { min-height: 72vh; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}