:root {
  --ink: #12141a;
  --ink-soft: #3a3f4a;
  --muted: #6a707c;
  --paper: #f5f6f7;
  --surface: #ffffff;
  --line: #dde1e6;
  --accent: #0a4d56;
  --accent-hover: #073840;
  --accent-soft: #e6f0f1;
  --warn: #8a3b2b;
  --ok: #1e6b4a;
  --shadow: 0 12px 40px rgba(18, 20, 26, 0.06);
  --radius: 2px;
  --font-display: "Newsreader", Georgia, serif;
  --font-body: "Sora", "Segoe UI", sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.75rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); letter-spacing: -0.015em; }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1rem; color: var(--ink-soft); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 246, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover { color: var(--accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
}

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
}

.nav-cta:hover { background: var(--accent-hover); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  width: 100%;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

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

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0;
    display: none;
  }

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

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border-bottom: 0 !important;
  }
}

.site-footer {
  background: var(--ink);
  color: #c8ccd4;
  padding: 4rem 1.5rem 2rem;
  margin-top: 5rem;
}

.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2.5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #fff;
  margin: 0 0 0.75rem;
}

.footer-tag,
.footer-address {
  font-style: normal;
  font-size: 0.9rem;
  color: #a8adb8;
  line-height: 1.6;
}

.footer-label {
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 1rem;
}

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

.footer-links li { margin-bottom: 0.55rem; }

.footer-links a,
.site-footer a {
  color: #c8ccd4;
  text-decoration: none;
  font-size: 0.925rem;
}

.footer-links a:hover,
.site-footer a:hover { color: #fff; }

.footer-bottom {
  max-width: var(--max);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid #2a2e38;
  font-size: 0.85rem;
  color: #8a909c;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

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

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

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

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

.btn-light {
  background: #fff;
  color: var(--ink);
}

.btn-light:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.section {
  padding: 5rem 0;
}

.section-tight { padding: 3.5rem 0; }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
  font-weight: 500;
}

.lead {
  font-size: 1.125rem;
  max-width: 38rem;
  color: var(--ink-soft);
}

.hero-editorial {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.hero-copy {
  padding: clamp(3rem, 8vw, 6rem) 1.5rem clamp(3rem, 8vw, 6rem) clamp(1.5rem, 8vw, calc((100vw - var(--max)) / 2 + 1.5rem));
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(160deg, #eef3f3 0%, var(--paper) 45%, #e8ecef 100%);
  position: relative;
}

.hero-copy::after {
  content: "";
  position: absolute;
  left: clamp(1.5rem, 8vw, calc((100vw - var(--max)) / 2 + 1.5rem));
  top: clamp(3rem, 8vw, 6rem);
  width: 48px;
  height: 2px;
  background: var(--accent);
  animation: ruleIn 0.8s ease both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 2rem 0 1.25rem;
  color: var(--ink);
  animation: rise 0.9s ease both;
}

.hero-line {
  font-size: 1.05rem;
  max-width: 26rem;
  margin-bottom: 2rem;
  animation: rise 0.9s ease 0.12s both;
}

.hero-actions {
  animation: rise 0.9s ease 0.22s both;
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  animation: fadeScale 1.2s ease both;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(245, 246, 247, 0.35), transparent 35%);
  z-index: 1;
  pointer-events: none;
}

@media (max-width: 900px) {
  .hero-editorial {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    min-height: 52vw;
    order: -1;
  }

  .hero-visual::before {
    background: linear-gradient(180deg, transparent 60%, rgba(245, 246, 247, 0.9));
  }

  .hero-copy {
    padding: 2.5rem 1.5rem 3.5rem;
  }

  .hero-copy::after {
    left: 1.5rem;
    top: 2.5rem;
  }
}

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

@keyframes ruleIn {
  from { transform: scaleX(0); transform-origin: left; }
  to { transform: scaleX(1); }
}

@keyframes fadeScale {
  from { opacity: 0; transform: scale(1.04); }
  to { opacity: 1; transform: scale(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; gap: 2rem; }
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2.5rem 0;
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.metric span {
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .metric-row { grid-template-columns: 1fr; gap: 1.75rem; }
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

@media (max-width: 900px) {
  .course-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .course-grid { grid-template-columns: 1fr; }
}

.course-item {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.course-item:hover {
  border-color: #b8c4c6;
  box-shadow: var(--shadow);
}

.course-item a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.course-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.course-body {
  padding: 1.35rem 1.35rem 1.5rem;
}

.course-body h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.course-body p {
  font-size: 0.925rem;
  margin-bottom: 0.85rem;
}

.course-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.quote-block {
  max-width: 40rem;
  margin: 0 auto;
  text-align: center;
}

.quote-block blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 1.25rem;
  font-weight: 400;
}

.quote-block cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--muted);
}

.band {
  background: var(--accent);
  color: #e8f2f3;
  padding: 4.5rem 0;
}

.band h2 { color: #fff; }
.band p { color: #c5d9dc; }
.band .btn-light { margin-top: 0.5rem; }

.page-hero {
  padding: 4rem 0 2.5rem;
  background:
    radial-gradient(ellipse at 10% 0%, rgba(10, 77, 86, 0.08), transparent 50%),
    linear-gradient(180deg, #eef2f3, var(--paper));
  border-bottom: 1px solid var(--line);
}

.page-hero h1 { margin-bottom: 0.75rem; }
.page-hero .lead { margin-bottom: 0; }

.prose {
  max-width: 42rem;
}

.prose h2 { margin-top: 2.5rem; }
.prose h3 { margin-top: 1.75rem; }
.prose ul, .prose ol { color: var(--ink-soft); padding-left: 1.25rem; }
.prose li { margin-bottom: 0.45rem; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

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

.prose th {
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 500;
}

.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

@media (max-width: 900px) {
  .tiers { grid-template-columns: 1fr; }
}

.tier {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
}

.tier.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, #fff, var(--accent-soft));
}

.tier h3 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.tier-price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--ink);
  margin: 1rem 0 0.35rem;
}

.tier-price span {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--muted);
}

.tier ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
  flex: 1;
}

.tier li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.925rem;
  color: var(--ink-soft);
}

.tier .btn { width: 100%; }

.review-list {
  display: grid;
  gap: 1.5rem;
}

.review {
  background: var(--surface);
  border-left: 2px solid var(--accent);
  padding: 1.5rem 1.75rem;
}

.review p { margin-bottom: 0.85rem; }
.review .attr { font-size: 0.875rem; color: var(--muted); margin: 0; }
.review .stars { color: var(--accent); font-size: 0.85rem; letter-spacing: 0.08em; margin-bottom: 0.6rem; }

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

.case-study h3 { margin-bottom: 0.75rem; }

.blog-list {
  display: grid;
  gap: 2rem;
}

.blog-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.75rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.blog-row:hover h2 { color: var(--accent); }

.blog-row img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.blog-row .date {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.blog-row h2 {
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
  transition: color 0.2s ease;
}

@media (max-width: 700px) {
  .blog-row { grid-template-columns: 1fr; }
}

.article-hero img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  margin: 2rem 0;
}

.form {
  display: grid;
  gap: 1.15rem;
  max-width: 36rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
}

.form input,
.form select,
.form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  width: 100%;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid rgba(10, 77, 86, 0.25);
  border-color: var(--accent);
}

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

.field-error {
  color: var(--warn);
  font-size: 0.825rem;
  min-height: 1.1em;
}

.form-status {
  padding: 0.9rem 1rem;
  font-size: 0.925rem;
  display: none;
}

.form-status.ok {
  display: block;
  background: #e8f5ef;
  color: var(--ok);
  border: 1px solid #b8dcc9;
}

.form-status.err {
  display: block;
  background: #f8ece9;
  color: var(--warn);
  border: 1px solid #e5c4bb;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-aside {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.75rem;
  height: fit-content;
}

.contact-aside h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.contact-aside p,
.contact-aside address {
  font-style: normal;
  font-size: 0.925rem;
  color: var(--ink-soft);
  margin-bottom: 0.85rem;
}

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

.faq summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--ink);
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent);
}

.faq details[open] summary::after { content: "–"; }

.faq details p {
  margin: 0.85rem 0 0.25rem;
  font-size: 0.95rem;
}

.modules {
  display: grid;
  gap: 1rem;
}

.module {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.module-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
}

.instructor {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.instructor img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
}

.not-found {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
}

.not-found .code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 15vw, 9rem);
  line-height: 1;
  color: var(--accent);
  margin: 0 0 0.5rem;
  opacity: 0.35;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--ink);
  color: #d4d8e0;
  padding: 1.25rem 1.5rem;
  transform: translateY(110%);
  transition: transform 0.35s ease;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.15);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-inner p {
  margin: 0;
  flex: 1;
  min-width: 240px;
  font-size: 0.9rem;
  color: #c8ccd4;
}

.cookie-inner a { color: #9ec9ce; }

.cookie-actions {
  display: flex;
  gap: 0.65rem;
  flex-shrink: 0;
}

.cookie-actions .btn {
  padding: 0.65rem 1.1rem;
  font-size: 0.85rem;
}

.inline-error {
  background: #f8ece9;
  color: var(--warn);
  border: 1px solid #e5c4bb;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

.feature-list {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--accent);
  line-height: 1;
}

.feature-item h3 { margin-bottom: 0.4rem; }
.feature-item p { margin: 0; max-width: 36rem; }

.proof-strip {
  background: var(--surface);
  border-block: 1px solid var(--line);
  padding: 2rem 0;
}

.proof-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  align-items: baseline;
  justify-content: space-between;
}

.proof-strip p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.proof-strip strong {
  color: var(--ink);
  font-weight: 500;
}

.media-full {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.two-col-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.two-col-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@media (max-width: 600px) {
  .two-col-list { grid-template-columns: 1fr; }
}