:root {
  --ink: #1c2430;
  --ink-soft: #3d4756;
  --muted: #6b7585;
  --line: #dfe4ea;
  --paper: #f6f7f9;
  --surface: #ffffff;
  --accent: #2a7a6b;
  --accent-deep: #1f5c51;
  --accent-soft: #e4f1ee;
  --warm: #c4a574;
  --danger: #9b3b3b;
  --ok: #1f6b4a;
  --shadow: 0 18px 40px rgba(28, 36, 48, 0.08);
  --radius: 4px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", 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);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(42, 122, 107, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 20%, rgba(196, 165, 116, 0.07), transparent 50%),
    var(--paper);
  line-height: 1.65;
  min-height: 100vh;
}

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

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

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

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

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 247, 249, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(28, 36, 48, 0.04);
}

.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: 1.35rem;
  font-weight: 560;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

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

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

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 400;
}

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

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

.site-nav .nav-cta:hover {
  background: var(--accent-deep);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

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

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

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

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

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

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28, 36, 48, 0.25) 0%, rgba(28, 36, 48, 0.72) 55%, rgba(28, 36, 48, 0.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 4.5rem 0 5rem;
  max-width: 38rem;
  animation: riseIn 0.9s ease both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.35em;
  color: #fff;
  line-height: 1.02;
}

.hero-line {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.75em;
  font-weight: 400;
}

.hero-support {
  color: rgba(255, 255, 255, 0.78);
  max-width: 32rem;
  margin-bottom: 1.75rem;
}

.section {
  padding: 5rem 0;
}

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

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  max-width: 18ch;
}

.section-lead {
  max-width: 38rem;
  font-size: 1.05rem;
}

.trust-bar {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2.25rem 0;
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

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

.course-grid,
.blog-grid,
.pricing-grid,
.benefit-grid {
  display: grid;
  gap: 1.75rem;
}

.course-grid,
.blog-grid {
  grid-template-columns: repeat(3, 1fr);
}

.benefit-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.5rem;
}

.pricing-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.5rem;
  align-items: stretch;
}

.media-tile {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.35s ease;
}

.media-tile:hover {
  transform: translateY(-4px);
}

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

.media-tile h3 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

.media-tile p {
  font-size: 0.95rem;
  margin: 0;
}

.benefit {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.benefit h3 {
  font-size: 1.2rem;
}

.quote-stack {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.quote {
  max-width: 40rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent);
}

.quote p {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
  line-height: 1.45;
}

.quote footer {
  color: var(--muted);
  font-size: 0.9rem;
}

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

.band h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  max-width: 16ch;
}

.band p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 34rem;
}

.band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.price-tier {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
}

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

.price-tier h3 {
  font-size: 1.4rem;
  margin: 0;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--ink);
}

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

.price-tier ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1.25rem;
  flex: 1;
}

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

.page-hero {
  padding: 3.5rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  max-width: 16ch;
}

.page-hero p {
  max-width: 38rem;
  font-size: 1.08rem;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.split img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: 2.25rem;
  font-size: 1.55rem;
}

.prose h3 {
  margin-top: 1.75rem;
  font-size: 1.2rem;
}

.prose ul, .prose ol {
  color: var(--ink-soft);
  padding-left: 1.2rem;
}

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

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-weight: 500;
}

.modules {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.module {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.module-num {
  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: 500;
  color: var(--ink);
  list-style: none;
}

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

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

.review-list {
  display: grid;
  gap: 1.75rem;
}

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

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

.review h3 {
  font-size: 1.2rem;
}

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

.case-study h3 {
  font-size: 1.45rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-card p {
  margin-bottom: 0.65rem;
}

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

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

.form-field label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

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

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

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(42, 122, 107, 0.35);
  border-color: var(--accent);
}

.field-error {
  color: var(--danger);
  font-size: 0.85rem;
  min-height: 1.1em;
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background: var(--accent-soft);
  color: var(--ok);
}

.form-status.is-error {
  display: block;
  background: #f7e8e8;
  color: var(--danger);
}

.inline-error {
  margin: 0.75rem 0;
  padding: 0.75rem 1rem;
  background: #f7e8e8;
  color: var(--danger);
  border-radius: var(--radius);
  font-size: 0.92rem;
}

.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  padding-top: 3.5rem;
}

.footer-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 3rem;
}

.footer-brand p {
  max-width: 26rem;
  margin-top: 0.85rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

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

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

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

.footer-cols a:hover {
  color: var(--accent-deep);
}

.footer-address {
  font-size: 0.9rem;
  line-height: 1.55;
}

.footer-bottom {
  width: min(100% - 2.5rem, var(--max));
  margin: 2.5rem auto 0;
  padding: 1.25rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: 520px;
  margin-right: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  animation: riseIn 0.45s ease both;
}

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

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.cookie-actions a {
  font-size: 0.9rem;
  margin-right: auto;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 1rem 0 2rem;
}

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

.instructor {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1.25rem;
  align-items: center;
  margin: 2rem 0;
  padding: 1.25rem 0;
  border-block: 1px solid var(--line);
}

.instructor img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
}

.error-page {
  min-height: 70vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 3rem 1.25rem;
}

.error-page h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  margin-bottom: 0.2em;
}

.fade-up {
  animation: riseIn 0.8s ease both;
}

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

@keyframes heroDrift {
  from { transform: scale(1.02); }
  to { transform: scale(1.08); }
}

@media (max-width: 960px) {
  .course-grid,
  .blog-grid,
  .benefit-grid,
  .pricing-grid,
  .trust-grid,
  .footer-cols,
  .split,
  .contact-layout,
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

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

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

  .site-nav a {
    padding: 0.85rem 0.2rem;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border: none;
  }

  .course-grid,
  .blog-grid,
  .benefit-grid,
  .pricing-grid,
  .trust-grid,
  .footer-cols,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 85vh;
  }

  .module {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}