:root {
  --bg: #f6f5f3;
  --bg-deep: #ebe8e2;
  --surface: #ffffff;
  --ink: #1c1b19;
  --muted: #6b6860;
  --line: #ddd9d1;
  --accent: #2c4a3e;
  --accent-hover: #1f362d;
  --accent-soft: #d8e5de;
  --warn: #8a4b2e;
  --success: #2c4a3e;
  --error: #8b2e2e;
  --shadow: 0 1px 0 rgba(28, 27, 25, 0.06);
  --radius: 4px;
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
  --space: clamp(1rem, 2vw, 1.5rem);
  --max: 1120px;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(216, 229, 222, 0.55), transparent 55%),
    radial-gradient(ellipse 60% 40% at -5% 20%, rgba(235, 232, 226, 0.9), transparent 50%),
    var(--bg);
  min-height: 100vh;
}

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: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.25rem);
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 245, 243, 0.92);
  backdrop-filter: blur(10px);
  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: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 3px;
  background: var(--accent);
  box-shadow: inset 0 -6px 0 rgba(255, 255, 255, 0.15);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.55rem 0.65rem;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--ink);
  margin: 0.22rem 0;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
}

.nav-list a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 450;
}

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

.nav-cta {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent) !important;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg) !important;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #f6f5f3;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #f6f5f3;
}

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

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f6f5f3;
}

.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, 27, 25, 0.25) 0%, rgba(28, 27, 25, 0.72) 70%, rgba(28, 27, 25, 0.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: clamp(3rem, 10vh, 6rem) 0 clamp(2.5rem, 6vh, 4rem);
  max-width: 38rem;
  animation: riseIn 0.9s ease both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.hero h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(2.1rem, 4.8vw, 3.4rem);
}

.hero p {
  color: rgba(246, 245, 243, 0.88);
  font-size: 1.1rem;
  max-width: 32rem;
  margin-bottom: 1.5rem;
}

.hero .btn-primary {
  background: #f6f5f3;
  color: var(--accent);
}

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

.hero .btn-ghost {
  border-color: rgba(246, 245, 243, 0.45);
  color: #f6f5f3;
}

.hero .btn-ghost:hover {
  border-color: #f6f5f3;
  background: rgba(246, 245, 243, 0.08);
}

@keyframes heroDrift {
  from { transform: scale(1.02); }
  to { transform: scale(1.08) translate(-1.5%, -1%); }
}

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

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  animation: fadeUp 0.7s ease both;
}

.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-tight {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
}

.section-muted {
  background: color-mix(in srgb, var(--bg-deep) 70%, transparent);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 36rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

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

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.split-reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

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

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 500;
}

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

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.feature-list li {
  padding-left: 1.15rem;
  border-left: 2px solid var(--accent-soft);
}

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

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

.course-grid,
.blog-grid,
.pricing-grid,
.review-grid {
  display: grid;
  gap: 1.5rem;
}

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

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

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

.tile {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.25s ease;
}

.tile:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  transform: translateY(-2px);
}

.tile-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.tile:hover .tile-media img {
  transform: scale(1.04);
}

.tile-body {
  padding: 1.25rem 1.35rem 1.5rem;
}

.tile-body h3 {
  margin-bottom: 0.45rem;
  font-size: 1.25rem;
}

.tile-body h3 a {
  color: inherit;
  text-decoration: none;
}

.tile-body h3 a:hover {
  color: var(--accent);
}

.tile-meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.65rem;
}

.tile-body p {
  color: var(--muted);
  font-size: 0.98rem;
}

.price-tier {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.price-tier.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--surface) 38%);
}

.price-tier h3 {
  margin: 0;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.03em;
}

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

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

.price-tier li + li {
  margin-top: 0.45rem;
}

.price-note {
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 1rem;
}

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

.quote p {
  font-size: 1.05rem;
}

.quote footer {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.quote .stars {
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.65rem;
  font-size: 0.85rem;
}

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

.page-hero {
  padding: clamp(3rem, 7vw, 4.5rem) 0 0;
}

.page-hero h1 {
  max-width: 18ch;
}

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

.prose {
  max-width: 42rem;
}

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

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

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1.25rem 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-deep);
  font-weight: 550;
}

.modules {
  display: grid;
  gap: 0.85rem;
}

.module {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}

.module h3 {
  margin-bottom: 0.35rem;
  font-size: 1.15rem;
}

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

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

.faq summary {
  cursor: pointer;
  font-weight: 500;
  list-style: none;
}

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

.faq details[open] summary {
  color: var(--accent);
}

.faq details p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.instructor {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.25rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}

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

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

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

.form label {
  font-weight: 500;
  font-size: 0.95rem;
}

.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);
  width: 100%;
}

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

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

.field-error {
  color: var(--error);
  font-size: 0.88rem;
  min-height: 1.1em;
}

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

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

.form-status.is-error {
  display: block;
  background: #f3e2e2;
  color: var(--error);
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.contact-aside {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  height: fit-content;
}

.contact-aside p {
  color: var(--muted);
}

.contact-aside strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.cta-band {
  background: var(--accent);
  color: #f6f5f3;
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3rem);
  display: grid;
  gap: 1rem;
  align-items: center;
}

.cta-band h2 {
  margin: 0;
  max-width: 16ch;
}

.cta-band p {
  color: rgba(246, 245, 243, 0.85);
  margin: 0;
  max-width: 34rem;
}

.cta-band .btn-primary {
  background: #f6f5f3;
  color: var(--accent);
  width: fit-content;
}

.site-footer {
  margin-top: clamp(2rem, 5vw, 4rem);
  background: #1c1b19;
  color: rgba(246, 245, 243, 0.78);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0 1.5rem;
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #f6f5f3;
  margin-bottom: 0.5rem;
}

.footer-tag {
  max-width: 24rem;
  font-size: 0.95rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr) 1.4fr;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(246, 245, 243, 0.12);
}

.footer-brand {
  grid-column: 1 / -1;
}

.footer-heading {
  color: #f6f5f3;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

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

.footer-col li + li {
  margin-top: 0.45rem;
}

.footer-col a {
  color: rgba(246, 245, 243, 0.75);
  text-decoration: none;
}

.footer-col a:hover {
  color: #f6f5f3;
}

.footer-address {
  white-space: pre-line;
  margin-bottom: 0.75rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(246, 245, 243, 0.12);
  font-size: 0.88rem;
}

.cookie-banner {
  position: fixed;
  inset: auto 1rem 1rem 1rem;
  z-index: 60;
  max-width: 420px;
  margin-left: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(28, 27, 25, 0.12);
  padding: 1.15rem 1.25rem;
  display: none;
}

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

.cookie-banner p {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.inline-error {
  margin: 1rem auto;
  width: min(100% - 2.5rem, var(--max));
  padding: 0.85rem 1rem;
  background: #f3e2e2;
  color: var(--error);
  border-radius: var(--radius);
}

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

.error-page .code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  line-height: 1;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

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

@media (max-width: 960px) {
  .course-grid,
  .blog-grid,
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .split,
  .split-reverse,
  .contact-panel {
    grid-template-columns: 1fr;
  }
}

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    display: none;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.25rem 1.25rem;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 0.7rem 0;
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
  }

  .course-grid,
  .blog-grid,
  .pricing-grid,
  .review-grid,
  .stat-row,
  .footer-cols {
    grid-template-columns: 1fr;
  }

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