:root {
  --ink: #1b3a4b;
  --ink-soft: #3d5a68;
  --muted: #6b818c;
  --line: #d5e0e4;
  --paper: #ffffff;
  --wash: #f3f7f8;
  --mist: #e8f0f2;
  --accent: #2f6f7a;
  --accent-deep: #1f5259;
  --accent-soft: #d4e8eb;
  --warn: #8b4a3a;
  --ok: #2a6b4f;
  --shadow: 0 18px 48px rgba(27, 58, 75, 0.08);
  --radius: 4px;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Figtree", "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: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 88% -10%, rgba(47, 111, 122, 0.08), transparent 55%),
    radial-gradient(900px 500px at -5% 20%, rgba(27, 58, 75, 0.05), transparent 50%),
    linear-gradient(180deg, #f8fbfc 0%, var(--paper) 28%, var(--wash) 100%);
  min-height: 100vh;
}

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

a {
  color: var(--accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: 1.45rem; }

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

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

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

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  align-items: center;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: 0.2s ease;
}

main { min-height: 60vh; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  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(--ink);
  color: #fff;
}

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

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

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

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.section {
  padding: 4.5rem 0;
}

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

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.lead {
  font-size: 1.15rem;
  max-width: 38rem;
}

.hero-panel {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 35, 45, 0.25) 0%, rgba(15, 35, 45, 0.72) 70%),
    url("https://images.unsplash.com/photo-1554224155-6726b3ff858f?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-panel .container {
  position: relative;
  z-index: 1;
  padding-block: 5rem 4rem;
}

.hero-panel .brand-mark {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 600;
  line-height: 0.95;
  margin: 0 0 1rem;
  color: #fff;
  letter-spacing: -0.03em;
  animation: riseIn 0.9s ease both;
}

.hero-panel h1 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 500;
  max-width: 22ch;
  margin-bottom: 0.8rem;
  animation: riseIn 0.9s ease 0.12s both;
}

.hero-panel p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 34rem;
  animation: riseIn 0.9s ease 0.22s both;
}

.hero-panel .btn-primary {
  background: #fff;
  color: var(--ink);
  animation: riseIn 0.9s ease 0.32s both;
}

.hero-panel .btn-primary:hover {
  background: var(--mist);
  color: var(--ink);
}

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

@keyframes heroDrift {
  from { transform: scale(1); }
  to { transform: scale(1.04); }
}

.proof-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-block: 1px solid var(--line);
  background: var(--paper);
}

.proof-item {
  padding: 2rem 0;
  text-align: center;
}

.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--ink);
  font-weight: 600;
}

.proof-item span {
  color: var(--muted);
  font-size: 0.92rem;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.split img,
.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.media-frame {
  position: relative;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: auto -12px -12px auto;
  width: 48%;
  height: 48%;
  border: 1px solid var(--accent-soft);
  z-index: -1;
}

.benefit-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
}

.benefit-list li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--ink-soft);
}

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

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

.course-tile,
.blog-tile {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease;
}

.course-tile:hover,
.blog-tile:hover {
  transform: translateY(-4px);
}

.course-tile img,
.blog-tile img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.course-tile h3,
.blog-tile h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

.course-tile p,
.blog-tile p {
  font-size: 0.98rem;
  margin: 0;
}

.meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.quote-block {
  background: var(--paper);
  border-left: 3px solid var(--accent);
  padding: 1.5rem 1.75rem;
  margin: 1.25rem 0;
}

.quote-block p {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

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

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.tier {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.tier.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

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

.tier .price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--ink);
  margin: 0.5rem 0 1rem;
}

.tier .price span {
  font-size: 1rem;
  color: var(--muted);
  font-family: var(--font-body);
}

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

.tier li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--mist);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.page-hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(232, 240, 242, 0.7), transparent);
}

.page-hero p {
  max-width: 40rem;
}

.prose {
  max-width: 44rem;
}

.prose h2 {
  margin-top: 2.2rem;
}

.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;
  counter-reset: mod;
}

.module-list li {
  counter-increment: mod;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.module-list li::before {
  content: counter(mod, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
}

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

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.faq details p {
  margin: 0.75rem 0 0.25rem;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

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

.form label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

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

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

.form .error {
  color: var(--warn);
  font-size: 0.85rem;
  min-height: 1.2em;
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  display: none;
}

.form-status.success {
  display: block;
  background: #e5f4ec;
  color: var(--ok);
}

.form-status.fail {
  display: block;
  background: #f8e9e6;
  color: var(--warn);
}

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

.contact-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.5rem;
}

.contact-card h3 {
  margin-bottom: 0.75rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--mist);
  color: var(--ink);
  font-weight: 600;
}

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

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

.review-item .stars {
  color: var(--accent);
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

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

.instructor {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  align-items: center;
  margin: 2rem 0;
}

.instructor img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
}

.site-footer {
  margin-top: 4rem;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
  padding: 3.5rem 0 0;
}

.footer-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #fff;
  margin: 0 0 0.6rem;
}

.footer-tag,
.footer-contact p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer-col h3 {
  color: #fff;
  font-size: 1rem;
  font-family: var(--font-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  width: min(100% - 2.5rem, var(--max));
  margin: 2.5rem auto 0;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: 520px;
  margin-right: auto;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  display: none;
}

.cookie-banner.is-visible { display: block; animation: riseIn 0.35s ease both; }

.cookie-banner p {
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

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

.inline-error {
  background: #f8e9e6;
  color: var(--warn);
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.not-found {
  text-align: center;
  padding: 6rem 0;
}

.not-found .code {
  font-family: var(--font-display);
  font-size: 6rem;
  line-height: 1;
  color: var(--accent);
  margin: 0;
}

.cta-band {
  background: var(--ink);
  color: #fff;
  padding: 3.5rem 0;
  margin-top: 2rem;
}

.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.8); max-width: 34rem; }
.cta-band .btn-primary {
  background: #fff;
  color: var(--ink);
}

.article-hero img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 1.5rem 0 2rem;
}

@media (max-width: 960px) {
  .split,
  .contact-grid,
  .course-grid,
  .blog-grid,
  .tier-grid,
  .proof-row,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .course-grid,
  .blog-grid,
  .tier-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
  }

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

  .header-inner { position: relative; }

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

@media (max-width: 640px) {
  .course-grid,
  .blog-grid,
  .tier-grid {
    grid-template-columns: 1fr;
  }

  .proof-row {
    grid-template-columns: 1fr;
  }

  .proof-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child { border-bottom: 0; }
}