:root {
  --bg-canvas: #f1ece0;
  --bg-sidebar: #e3dbc6;
  --surface-card: #f8f5ec;
  --surface-card-hover: #fffdf6;
  --ink: #2b2721;
  --ink-muted: #6b6354;
  --ink-soft: #857a64;
  --line: #d8cdb3;
  --accent: #3c4a27;
  --accent-hover: #4b5c33;
  --accent-contrast: #f7f3e7;
  --tag-notes: #57663d;
  --tag-video: #2f5e68;
  --tag-task: #9c4e2a;
  --tag-doc: #8c6a28;
  --tag-grammar: #6a4e9c;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-14: 56px;
  --space-20: 80px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;

  --shadow-sm: 0 2px 8px rgba(43, 39, 33, 0.08);
  --shadow-md: 0 12px 30px rgba(43, 39, 33, 0.12);
  --shadow-lg: 0 24px 60px rgba(28, 26, 16, 0.22);

  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  background: var(--bg-canvas);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

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

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Buttons ---------- */

.btn-primary,
.btn-ghost,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-shrink: 0;
  padding: var(--space-3) var(--space-5);
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, transform 0.1s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 8px 20px rgba(60, 74, 39, 0.28);
}

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

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

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: 15.5px;
}

.btn-outline {
  background: transparent;
  color: var(--accent-contrast);
  border: 1px solid rgba(247, 243, 231, 0.4);
}

.btn-outline:hover {
  background: rgba(247, 243, 231, 0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-muted);
  padding: var(--space-2) var(--space-4);
}

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

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  padding: var(--space-4) 0;
  background: rgba(241, 236, 224, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nav.is-scrolled {
  background: rgba(241, 236, 224, 0.92);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-actions .btn-primary {
  box-shadow: none;
  padding: var(--space-2) var(--space-5);
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
}

.nav-mobile {
  display: none;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: var(--space-14) 0 var(--space-20);
  overflow: hidden;
  color: var(--accent-contrast);
  background:
    radial-gradient(circle at 1px 1px, rgba(247, 243, 231, 0.14) 1px, transparent 1.6px) 0 0 / 26px 26px,
    radial-gradient(760px circle at 88% 6%, rgba(47, 94, 104, 0.38), transparent 60%),
    radial-gradient(620px circle at 4% 100%, rgba(156, 78, 42, 0.3), transparent 60%),
    linear-gradient(165deg, #3c4a27 0%, #263016 100%);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-14);
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(247, 243, 231, 0.1);
  border: 1px solid rgba(247, 243, 231, 0.2);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(247, 243, 231, 0.92);
  margin-bottom: var(--space-6);
}

.hero-eyebrow svg {
  width: 13px;
  height: 13px;
}

.hero h1 {
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.12;
  margin-bottom: var(--space-5);
}

.hero h1 em {
  font-style: normal;
  color: #d9e6a8;
}

.hero-sub {
  max-width: 50ch;
  font-size: 17px;
  line-height: 1.65;
  color: rgba(247, 243, 231, 0.8);
  margin-bottom: var(--space-8);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero-cta-note {
  font-size: 13px;
  color: rgba(247, 243, 231, 0.65);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.hero-stat strong {
  display: block;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 24px;
  color: var(--accent-contrast);
}

.hero-stat span {
  font-size: 13px;
  color: rgba(247, 243, 231, 0.65);
}

/* ---------- Hero visual (product mock) ---------- */

.hero-visual {
  position: relative;
  min-height: 420px;
}

.mock-card {
  position: relative;
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  color: var(--ink);
  max-width: 400px;
  margin: 0 auto;
  animation: float-card 7s ease-in-out infinite;
}

.mock-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.mock-card-folder {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
}

.mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tag-task);
}

.mock-card-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(60, 74, 39, 0.1);
  color: var(--accent);
}

.mock-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.mock-card-text {
  font-size: 13.5px;
  color: var(--ink-muted);
  line-height: 1.55;
  margin-bottom: var(--space-5);
}

.mock-progress {
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: var(--space-5);
}

.mock-progress-fill {
  height: 100%;
  width: 70%;
  border-radius: 999px;
  background: var(--accent);
}

.mock-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mock-avatars {
  display: flex;
}

.mock-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--surface-card);
  margin-left: -8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-contrast);
}

.mock-avatar:first-child {
  margin-left: 0;
}

.float-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(247, 243, 231, 0.12);
  border: 1px solid rgba(247, 243, 231, 0.22);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-contrast);
  backdrop-filter: blur(6px);
}

.float-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--dot-color);
  filter: brightness(1.7) saturate(1.2);
}

.float-tag-1 { top: -6px; left: -8px; --dot-color: var(--tag-video); animation: float-tag 6s ease-in-out infinite; }
.float-tag-2 { top: 36%; right: -34px; --dot-color: var(--tag-notes); animation: float-tag 8s ease-in-out infinite 0.4s; }
.float-tag-3 { bottom: 4%; left: -28px; --dot-color: var(--tag-doc); animation: float-tag 7s ease-in-out infinite 1.1s; }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes float-tag {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- Sections (shared) ---------- */

.section {
  padding: var(--space-20) 0;
}

.section-tight {
  padding: var(--space-14) 0;
}

.section-head {
  max-width: 620px;
  margin-bottom: var(--space-10);
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.2;
  margin: var(--space-3) 0 var(--space-3);
}

.section-head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Feature grid (exercise types) ---------- */

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.exercise-card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.exercise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(60, 74, 39, 0.25);
}

.exercise-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--accent-contrast);
}

.exercise-icon svg {
  width: 18px;
  height: 18px;
}

.exercise-card h4 {
  font-size: 14.5px;
  font-weight: 600;
  margin-bottom: 6px;
}

.exercise-card p {
  font-size: 12.5px;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ---------- Benefit cards ---------- */

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.benefit-card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.benefit-icon svg {
  width: 20px;
  height: 20px;
}

.benefit-card h3 {
  font-size: 18px;
  margin-bottom: var(--space-2);
}

.benefit-card p {
  font-size: 14.5px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ---------- Share link ---------- */

.share-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-14);
  align-items: center;
}

.share-grid h2 {
  margin: var(--space-3) 0 var(--space-4);
  font-size: clamp(26px, 3vw, 34px);
}

.share-grid > div:first-child p {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-muted);
}

.share-points {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.share-points li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 14.5px;
  color: var(--ink-muted);
  line-height: 1.55;
}

.share-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.share-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.link-mock {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.link-mock-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: var(--space-3);
}

.link-mock-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

.link-mock-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
}

.link-mock-url {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.link-copy-btn {
  flex-shrink: 0;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-card);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.link-copy-btn:hover {
  background: var(--bg-canvas);
}

.student-preview {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--bg-sidebar);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.student-preview-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.student-preview-icon svg {
  width: 19px;
  height: 19px;
}

.student-preview-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.student-preview-text strong {
  font-size: 14.5px;
}

.student-preview-text span {
  font-size: 12.5px;
  color: var(--ink-muted);
}

/* ---------- How it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

.step {
  position: relative;
  padding: var(--space-6) var(--space-5) 0;
  border-top: 2px solid var(--line);
}

.step-number {
  position: absolute;
  top: -19px;
  left: var(--space-5);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 700;
  font-size: 14px;
}

.step h3 {
  font-size: 17px;
  margin: var(--space-3) 0 var(--space-2);
}

.step p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ---------- Audience quotes (illustrative, not attributed testimonials) ---------- */

#audience {
  position: relative;
  background-image: radial-gradient(circle at 1px 1px, rgba(43, 39, 33, 0.06) 1px, transparent 1.6px);
  background-size: 22px 22px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding-top: var(--space-2);
}

.audience-card {
  position: relative;
  overflow: hidden;
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--card-accent, var(--accent));
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.audience-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.audience-card.is-featured {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.audience-card.is-featured:hover {
  transform: translateY(-14px);
}

.audience-quote {
  position: absolute;
  top: -10px;
  right: var(--space-5);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 76px;
  line-height: 1;
  color: var(--card-accent, var(--accent));
  opacity: 0.14;
  pointer-events: none;
  user-select: none;
}

.audience-card p {
  position: relative;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
  margin: var(--space-2) 0 var(--space-5);
}

.audience-footer {
  display: flex;
  align-items: center;
  gap: 9px;
}

.audience-footer::before {
  content: "";
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--card-accent, var(--accent));
  filter: brightness(1.15) saturate(1.1);
}

.audience-role {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Final CTA ---------- */

.cta-band {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: var(--space-14) var(--space-10);
  text-align: center;
  color: var(--accent-contrast);
  background:
    radial-gradient(circle at 1px 1px, rgba(247, 243, 231, 0.12) 1px, transparent 1.6px) 0 0 / 26px 26px,
    radial-gradient(640px circle at 90% 20%, rgba(47, 94, 104, 0.35), transparent 60%),
    radial-gradient(520px circle at 10% 90%, rgba(156, 78, 42, 0.28), transparent 60%),
    linear-gradient(165deg, #3c4a27 0%, #263016 100%);
}

.cta-band h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  margin-bottom: var(--space-3);
}

.cta-band p {
  max-width: 48ch;
  margin: 0 auto var(--space-8);
  font-size: 15.5px;
  color: rgba(247, 243, 231, 0.78);
  line-height: 1.6;
}

.cta-band-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ---------- Footer ---------- */

.footer {
  padding: var(--space-10) 0 var(--space-8);
  border-top: 1px solid var(--line);
}

.footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 700;
  font-size: 15px;
}

.footer-logo {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  object-fit: cover;
}

.footer-links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13.5px;
  color: var(--ink-muted);
}

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

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

.footer-copy {
  font-size: 12.5px;
  color: var(--ink-soft);
}

.page-nav-badge {
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--line);
  color: var(--ink-muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-left: 6px;
}

/* ---------- Simple content pages (Privacy / Error) ---------- */

.doc-page {
  padding: var(--space-20) 0;
  min-height: 60vh;
}

.doc-page .wrap {
  max-width: 720px;
}

.doc-page h1 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: var(--space-5);
}

.doc-page p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: var(--space-4);
}

.doc-page code {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 13px;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 320px;
    order: -1;
  }

  .mock-card {
    max-width: 340px;
  }

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

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

  .share-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 760px) {
  .nav-links,
  .nav-actions .btn-ghost {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .nav-mobile {
    position: fixed;
    inset: 0;
    z-index: 60;
    flex-direction: column;
    background: var(--bg-canvas);
    padding: var(--space-6);
    gap: var(--space-2);
  }

  .nav-mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
  }

  .nav-mobile a {
    padding: var(--space-4) var(--space-2);
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }

  .nav-mobile .btn-primary {
    margin-top: var(--space-4);
    width: 100%;
  }

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

  .benefit-grid,
  .steps,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .audience-card.is-featured,
  .audience-card.is-featured:hover {
    transform: none;
  }

  .hero-stats {
    gap: var(--space-5);
  }

  .cta-band {
    padding: var(--space-10) var(--space-5);
  }
}

@media (max-width: 480px) {
  .wrap {
    padding: 0 var(--space-4);
  }

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

  .hero {
    padding: var(--space-10) 0 var(--space-14);
  }
}