:root {
  --ink: #15202b;
  --ink-soft: #3d4a57;
  --muted: #6b7885;
  --line: #d5dde5;
  --paper: #f5f7f9;
  --paper-deep: #e4ebf1;
  --surface: #ffffff;
  --accent: #0d5c5c;
  --accent-hover: #094747;
  --accent-mist: #d7ecea;
  --accent-glow: rgba(13, 92, 92, 0.12);
  --warn: #8a3b2b;
  --ok: #1f6b4a;
  --radius: 2px;
  --shadow: 0 18px 50px rgba(21, 32, 43, 0.08);
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Sora", "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);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 8% -10%, rgba(13, 92, 92, 0.08), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(61, 74, 87, 0.08), transparent 50%),
    linear-gradient(180deg, #f8fafb 0%, var(--paper) 40%, #eef3f6 100%);
  background-attachment: fixed;
  line-height: 1.65;
  min-height: 100vh;
}

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

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: 560;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
}

p {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.15rem;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(245, 247, 249, 0.86);
  border-bottom: 1px solid rgba(213, 221, 229, 0.8);
}

.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: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}

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

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 1.1rem;
}

.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(--accent);
}

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

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

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: var(--surface);
  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: 1.1rem;
  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;
}

.site-main {
  min-height: 60vh;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f4f8f8;
}

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

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

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 28, 34, 0.82) 0%, rgba(12, 28, 34, 0.55) 48%, rgba(12, 28, 34, 0.28) 100%),
    linear-gradient(0deg, rgba(12, 28, 34, 0.7) 0%, transparent 45%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 5rem 0 4.5rem;
  max-width: 36rem;
  margin-left: max(1.25rem, calc((100% - var(--max)) / 2));
  animation: riseIn 0.9s ease both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  line-height: 0.95;
  margin: 0 0 1.25rem;
  letter-spacing: -0.04em;
  color: #fff;
}

.hero-line {
  font-size: 1.15rem;
  color: rgba(244, 248, 248, 0.9);
  margin-bottom: 1.75rem;
  max-width: 28rem;
}

.page-hero {
  padding: 4.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(215, 236, 234, 0.45), transparent 70%);
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  margin: 0 0 0.85rem;
}

.page-hero p {
  color: var(--ink-soft);
  max-width: 40rem;
  font-size: 1.05rem;
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  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(--accent);
  color: #fff;
}

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

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

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

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

.section {
  padding: 4.5rem 0;
}

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

.section-head {
  max-width: 38rem;
  margin-bottom: 2.25rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin: 0 0 0.75rem;
}

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

.proof-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
}

.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  color: var(--accent);
}

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

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

.feature-course img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.65rem;
}

.benefit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.35rem;
}

.benefit-list li {
  padding-left: 1.35rem;
  border-left: 2px solid var(--accent-mist);
}

.benefit-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
}

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

.split-quote {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.quote-block {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.quote-block blockquote {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--ink);
}

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

.quote-block .stars {
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.cta-band {
  margin: 1rem 0 4rem;
  padding: 2.75rem;
  background:
    linear-gradient(135deg, rgba(13, 92, 92, 0.95), rgba(9, 55, 55, 0.98)),
    var(--accent);
  color: #f4f8f8;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: fadeLift 1s ease both;
}

.cta-band h2 {
  color: #fff;
  margin: 0 0 0.65rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.cta-band p {
  margin: 0 0 1.35rem;
  max-width: 34rem;
  color: rgba(244, 248, 248, 0.88);
}

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

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

.course-tile {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease;
}

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

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

.course-tile h3 {
  margin: 0 0 0.45rem;
  font-size: 1.2rem;
  color: var(--ink);
}

.course-tile p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

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

.price-tier {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.75rem;
  border-radius: var(--radius);
}

.price-tier.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.price-tier h2 {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
}

.price-tier .amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  margin: 0.85rem 0;
  letter-spacing: -0.03em;
}

.price-tier .amount span {
  font-size: 0.95rem;
  color: var(--muted);
  font-family: var(--font-body);
}

.price-tier ul {
  margin: 0 0 1.5rem;
  color: var(--ink-soft);
  padding-left: 1rem;
}

.price-note {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.55rem;
}

.prose h3 {
  margin: 1.75rem 0 0.55rem;
  font-size: 1.2rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 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: var(--paper-deep);
}

.modules {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: mod;
}

.modules li {
  counter-increment: mod;
  padding: 1.15rem 0 1.15rem 3rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.modules li::before {
  content: counter(mod, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.15rem;
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.1rem;
}

.instructor {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

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

.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;
  color: var(--ink-soft);
}

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

.form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 500;
  font-size: 0.92rem;
}

.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

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

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

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

.form-status.is-success {
  display: block;
  background: #e7f5ee;
  color: var(--ok);
}

.form-status.is-error {
  display: block;
  background: #f8ebe8;
  color: var(--warn);
}

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

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

.contact-card address {
  font-style: normal;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

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

.blog-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.35rem;
  text-decoration: none;
  color: inherit;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}

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

.blog-row h2 {
  margin: 0 0 0.45rem;
  font-size: 1.35rem;
}

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

.meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
}

.case-study {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.case-study h3 {
  margin: 0 0 0.65rem;
}

.inline-error {
  margin: 1rem auto;
  width: min(100% - 2.5rem, var(--max));
  padding: 0.85rem 1rem;
  background: #f8ebe8;
  color: var(--warn);
  border-radius: var(--radius);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #eef2f5;
  padding: 3.5rem 0 2rem;
  margin-top: 2rem;
}

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

.footer-brand {
  max-width: 28rem;
  margin-bottom: 2rem;
}

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

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.25rem;
}

.footer-heading {
  font-size: 0.95rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-body);
  font-weight: 650;
  letter-spacing: 0;
}

.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);
}

.footer-address {
  font-style: normal;
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.footer-copy {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 80;
  max-width: 34rem;
  margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  display: none;
}

.cookie-banner.is-visible {
  display: block;
  animation: riseIn 0.45s ease both;
}

.cookie-banner p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

.media-hero {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

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

.not-found h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  margin: 0 0 0.5rem;
}

@keyframes heroDrift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

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

@keyframes fadeLift {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (max-width: 900px) {
  .proof-bar,
  .feature-course,
  .split-quote,
  .grid-3,
  .price-grid,
  .contact-grid,
  .footer-cols,
  .blog-row {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(245, 247, 249, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

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

  .header-inner {
    position: relative;
  }

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

  .hero-copy {
    margin-left: auto;
    margin-right: auto;
    max-width: none;
  }
}