:root {
  --ink: #14201f;
  --ink-soft: #3a4a48;
  --muted: #6b7a78;
  --paper: #f5f7f6;
  --paper-2: #eef2f1;
  --line: #d5dedc;
  --accent: #1f6f68;
  --accent-deep: #0f2e2c;
  --accent-soft: #d8ebe8;
  --warn: #8a4b2b;
  --ok: #1f6f68;
  --err: #8f2f2f;
  --shadow: 0 18px 40px rgba(20, 32, 31, 0.08);
  --radius: 4px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", "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(31, 111, 104, 0.08), transparent 60%),
    linear-gradient(180deg, #f8faf9 0%, var(--paper) 40%, #f3f6f5 100%);
  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: 550;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--accent-deep);
  margin: 0 0 0.6em;
}

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

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

.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(--accent-deep);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(245, 247, 246, 0.88);
  border-bottom: 1px solid rgba(213, 222, 220, 0.8);
}

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

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

.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.4rem;
  background:
    radial-gradient(circle at 70% 28%, #3d9b8f 0 28%, transparent 29%),
    linear-gradient(145deg, #0f2e2c, #1f6f68);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  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: 0.95rem;
  font-weight: 500;
}

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

.nav-cta {
  background: var(--accent-deep);
  color: #f5f7f6 !important;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius);
}

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

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

/* Buttons */
.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-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent-deep);
  color: #f5f7f6;
}

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

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

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

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

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: #f5f7f6;
  overflow: hidden;
}

.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::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15, 46, 44, 0.88) 0%, rgba(15, 46, 44, 0.55) 48%, rgba(15, 46, 44, 0.25) 100%),
    linear-gradient(0deg, rgba(15, 46, 44, 0.55), transparent 45%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5rem 0 4rem;
  max-width: 40rem;
  animation: riseIn 0.9s ease both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  line-height: 0.95;
  margin: 0 0 1rem;
  color: #f5f7f6;
  letter-spacing: -0.04em;
}

.hero h1 {
  color: #e8f0ef;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 500;
  max-width: 28rem;
}

.hero p {
  color: rgba(232, 240, 239, 0.88);
  font-size: 1.05rem;
  max-width: 28rem;
}

.page-hero {
  padding: 4.5rem 0 2.5rem;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  max-width: 18ch;
}

.lede {
  font-size: 1.12rem;
  max-width: 42rem;
}

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

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

.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

.media-frame {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.media-frame:hover img {
  transform: scale(1.03);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0 0;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--accent-deep);
  letter-spacing: -0.03em;
}

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

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

.feature-list li {
  padding-left: 1.4rem;
  position: relative;
}

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

.feature-list h3 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

/* Course / blog grids — interaction containers, not decorative cards */
.item-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.item {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

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

.item-body {
  padding: 1.25rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.item-body h3 {
  font-size: 1.2rem;
  margin: 0;
}

.item-meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
}

.item-body p {
  margin: 0;
  flex: 1;
}

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

.price-tier {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.price-tier.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, #fff 0%, var(--accent-soft) 140%);
}

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

.price-amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent-deep);
  margin: 0.4rem 0 1rem;
}

.price-tier ul {
  margin: 0 0 1.5rem;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  flex: 1;
}

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

.quote-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
}

.quote {
  border-left: 3px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1.25rem;
}

.quote p {
  font-size: 1.05rem;
  color: var(--ink);
}

.quote footer {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.case-block {
  margin-top: 2.5rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

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

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

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

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

.modules li::before {
  content: counter(mod, decimal-leading-zero);
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.2rem;
}

.cta-band {
  margin: 2rem 0 5rem;
  padding: 3rem;
  background:
    linear-gradient(135deg, rgba(15, 46, 44, 0.95), rgba(31, 111, 104, 0.9)),
    url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=1400&q=80") center/cover;
  color: #f5f7f6;
  border-radius: var(--radius);
}

.cta-band h2,
.cta-band p {
  color: #f5f7f6;
}

.cta-band p {
  max-width: 36rem;
  opacity: 0.9;
}

/* Forms */
.form-layout {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 2.5rem;
}

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

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

.form-field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  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(31, 111, 104, 0.35);
  border-color: var(--accent);
}

.field-error {
  color: var(--err);
  font-size: 0.86rem;
  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(--ok);
}

.form-status.is-error {
  display: block;
  background: #f8e8e8;
  color: var(--err);
}

.contact-panel {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

/* Legal */
.legal {
  max-width: 48rem;
}

.legal h2 {
  margin-top: 2rem;
  font-size: 1.4rem;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
}

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

.legal th {
  background: rgba(255, 255, 255, 0.7);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #e9efee;
  padding: 3.5rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent-deep);
  margin: 0 0 0.6rem;
}

.footer-tag,
.footer-address {
  color: var(--ink-soft);
  font-style: normal;
  font-size: 0.95rem;
}

.footer-heading {
  font-weight: 700;
  margin: 0 0 0.8rem;
  color: var(--accent-deep);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

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

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

.footer-base {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  max-width: 640px;
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  animation: riseIn 0.45s ease both;
}

.cookie-banner p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

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

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 4rem 1rem;
}

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

/* Inline script errors */
.runtime-error {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  background: #f8e8e8;
  color: var(--err);
  border-radius: var(--radius);
}

/* Animations */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroDrift {
  from { transform: scale(1.02) translateY(0); }
  to { transform: scale(1.08) translateY(-1.5%); }
}

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

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

/* Responsive */
@media (max-width: 960px) {
  .split,
  .form-layout,
  .quote-grid,
  .footer-grid,
  .price-grid,
  .item-grid {
    grid-template-columns: 1fr;
  }

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

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

  .site-nav {
    position: absolute;
    top: calc(var(--header-h) + 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #f5f7f6;
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1rem;
  }

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

  .site-nav a {
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

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

  .hero {
    min-height: 78vh;
  }

  .cta-band {
    padding: 2rem;
  }
}

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