:root {
  --bg: #ffffff;
  --bg-soft: #f5f8f7;
  --bg-muted: #eef3f1;
  --ink: #1c2422;
  --ink-soft: #4a5652;
  --line: #d7e0dc;
  --accent: #2f5d56;
  --accent-deep: #234843;
  --accent-soft: #d9e8e4;
  --sand: #c4a574;
  --sand-soft: #f3ebe0;
  --danger: #8b3a3a;
  --ok: #2a6b4f;
  --shadow: 0 18px 50px rgba(28, 36, 34, 0.08);
  --radius: 4px;
  --font-display: "Fraunces", 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);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(47, 93, 86, 0.07), transparent 60%),
    radial-gradient(900px 420px at 100% 0%, rgba(196, 165, 116, 0.1), transparent 55%),
    linear-gradient(180deg, #fbfcfb 0%, var(--bg) 220px);
  line-height: 1.65;
  min-height: 100vh;
}

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

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

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

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

p {
  margin: 0 0 1em;
}

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

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

.inline-error {
  background: #f8e8e8;
  color: var(--danger);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e5c4c4;
  font-size: 0.95rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(215, 224, 220, 0.9);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.35rem;
  background:
    linear-gradient(145deg, var(--accent) 0%, #3f7a71 55%, var(--sand) 140%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

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

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

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius);
}

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

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  cursor: pointer;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--ink);
  margin: 0 auto;
  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;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.8rem 1.25rem;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s 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(--accent);
  color: var(--accent-deep);
}

.btn-sand {
  background: var(--sand-soft);
  color: var(--ink);
  border-color: #e5d6c0;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  color: #f7faf9;
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: slowZoom 18s ease-out forwards;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 28, 26, 0.78) 0%, rgba(18, 28, 26, 0.45) 48%, rgba(18, 28, 26, 0.25) 100%),
    linear-gradient(180deg, rgba(18, 28, 26, 0.15) 0%, rgba(18, 28, 26, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 5.5rem 0 4.2rem;
  max-width: 38rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 0.98;
  margin-bottom: 0.85rem;
  animation: riseIn 0.9s ease both;
}

.hero h1 {
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 500;
  color: #e8efed;
  margin-bottom: 0.85rem;
  animation: riseIn 0.9s ease 0.12s both;
}

.hero .lede {
  color: #d5dfdc;
  font-size: 1.05rem;
  max-width: 32rem;
  animation: riseIn 0.9s ease 0.22s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
  animation: riseIn 0.9s ease 0.32s both;
}

.page-hero {
  padding: 3.5rem 0 2rem;
  background:
    linear-gradient(180deg, var(--bg-soft), transparent 80%);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 18ch;
}

.page-hero p {
  max-width: 42rem;
  color: var(--ink-soft);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--bg-soft);
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.2rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.section-head p {
  color: var(--ink-soft);
}

.kicker {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.split img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: -2.5rem auto 0;
  position: relative;
  z-index: 2;
}

.metric {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.25rem 1.1rem;
  box-shadow: var(--shadow);
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.metric span {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.feature-list {
  display: grid;
  gap: 1.25rem;
}

.feature-list article {
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.feature-list h3 {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.feature-list p {
  color: var(--ink-soft);
  margin: 0;
}

.course-grid,
.card-grid,
.blog-grid,
.price-grid {
  display: grid;
  gap: 1.35rem;
}

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

.card-grid {
  grid-template-columns: repeat(2, 1fr);
}

.price-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.media-card {
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

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

.media-card .body {
  padding: 1.15rem 1.2rem 1.35rem;
}

.media-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.media-card h3 a {
  color: inherit;
  text-decoration: none;
}

.media-card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}

.meta {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.price-tier {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.6rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.price-tier.is-featured {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, #fff, #f4f9f7);
}

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

.price-tier .amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent);
}

.price-tier ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  flex: 1;
}

.price-tier li + li {
  margin-top: 0.35rem;
}

.quote-stack {
  display: grid;
  gap: 1.25rem;
}

.quote {
  background: #fff;
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.35rem;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quote p {
  margin-bottom: 0.8rem;
}

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

.stars {
  color: var(--sand);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.steps li {
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.3rem;
}

.steps {
  margin: 0;
  padding: 0;
}

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

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  color: var(--ink-soft);
  margin: 0.7rem 0 0.2rem;
}

.cta-band {
  background:
    linear-gradient(135deg, rgba(47, 93, 86, 0.95), rgba(35, 72, 67, 0.96)),
    url("https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?auto=format&fit=crop&w=1600&q=80") center/cover;
  color: #f4f8f7;
  padding: 3.5rem 0;
}

.cta-band h2 {
  max-width: 16ch;
}

.cta-band p {
  max-width: 36rem;
  color: #d7e4e0;
}

.prose {
  max-width: 46rem;
}

.prose h2 {
  margin-top: 2rem;
  font-size: 1.55rem;
}

.prose h3 {
  margin-top: 1.5rem;
  font-size: 1.2rem;
}

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

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.2rem 0;
}

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

.prose th {
  background: var(--bg-muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  font: inherit;
  background: #fff;
}

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

.field-error {
  min-height: 1.1em;
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.form-status {
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.form-status.is-success {
  color: var(--ok);
}

.form-status.is-error {
  color: var(--danger);
}

.contact-aside {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 1.4rem;
}

.contact-aside h2 {
  font-size: 1.3rem;
}

.instructor {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  padding: 1rem;
}

.instructor img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
}

.module-list {
  display: grid;
  gap: 0.85rem;
}

.module {
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  background: #fff;
}

.module h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.module p {
  margin: 0;
  color: var(--ink-soft);
}

.case-study {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.5rem;
}

.case-study + .case-study {
  margin-top: 1.25rem;
}

/* Footer */
.site-footer {
  background: #15201e;
  color: #d5dfdc;
  margin-top: 3rem;
  padding-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-tag,
.footer-contact p {
  color: #aebbb7;
  font-size: 0.92rem;
}

.footer-label {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.footer-col a {
  display: block;
  color: #c5d2cd;
  text-decoration: none;
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}

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

.footer-base {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0 1.4rem;
  font-size: 0.85rem;
  color: #93a39e;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: 640px;
  margin-inline: auto;
}

.cookie-banner-inner {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem;
  display: grid;
  gap: 0.9rem;
}

.cookie-banner p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.cookie-banner-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

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

.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 0;
}

.error-page h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  margin-bottom: 0.2rem;
}

/* Responsive */
@media (max-width: 960px) {
  .course-grid,
  .blog-grid,
  .price-grid,
  .footer-grid,
  .split,
  .contact-layout,
  .metrics {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(var(--header-h) + 1px);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.25rem 1rem;
    display: none;
    gap: 0.35rem;
  }

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

  .site-nav a {
    padding: 0.65rem 0.2rem;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    min-height: 78vh;
  }

  .metrics {
    margin-top: 1.5rem;
  }
}