:root {
  --font-ui: "IBM Plex Sans Arabic", sans-serif;
  --font-display: "IBM Plex Sans Arabic", sans-serif;
  --font-latin: "Manrope", sans-serif;
  --bg: #f5f3ee;
  --bg-alt: #efede6;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --surface-strong: #fdfcf8;
  --text: #10203a;
  --muted: #61708a;
  --accent: #70893a;
  --accent-strong: #5b712f;
  --accent-soft: rgba(112, 137, 58, 0.12);
  --line: rgba(16, 32, 58, 0.08);
  --line-strong: rgba(16, 32, 58, 0.14);
  --shadow-sm: 0 14px 30px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 24px 60px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 40px 90px rgba(15, 23, 42, 0.14);
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --radius-pill: 999px;
  --content-width: min(1180px, calc(100% - 32px));
}

.dark {
  --bg: #07111f;
  --bg-alt: #0b1628;
  --surface: rgba(15, 27, 45, 0.76);
  --surface-solid: #0f1b2d;
  --surface-strong: #132139;
  --text: #f4f7fb;
  --muted: #9ca8ba;
  --accent: #9dbb50;
  --accent-strong: #88a441;
  --accent-soft: rgba(157, 187, 80, 0.12);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --shadow-sm: 0 18px 40px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 26px 70px rgba(0, 0, 0, 0.26);
  --shadow-lg: 0 40px 100px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(112, 137, 58, 0.18), transparent 28%),
    radial-gradient(circle at 15% 20%, rgba(16, 32, 58, 0.07), transparent 32%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  min-height: 100vh;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  padding-bottom: 92px;
  animation: backgroundShift 18s ease-in-out infinite alternate;
}

#landing-root,
.react-landing,
main,
.site-header,
.hero-section,
.section,
.site-footer {
  max-width: 100%;
  overflow-x: clip;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 20%, transparent 75%);
  opacity: 0.25;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: var(--content-width);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 18px 0 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-sm);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.site-header.is-scrolled .topbar {
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: inset 0 0 0 1px var(--line);
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-copy strong {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.brand-copy span {
  font-size: 0.73rem;
  color: var(--muted);
}

.topbar-links,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.topbar-actions {
  flex-shrink: 0;
  justify-content: flex-end;
}

.topbar-link,
.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease;
}

.topbar-link:hover,
.topbar-link.is-active,
.text-link:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.theme-toggle {
  position: relative;
  width: 58px;
  height: 34px;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-solid) 85%, transparent);
  border-radius: var(--radius-pill);
  padding: 4px;
  direction: ltr;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.theme-toggle-thumb {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-solid);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-strong);
  transform: translateX(0);
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.theme-toggle-thumb i {
  position: absolute;
  font-size: 0.72rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.theme-toggle-thumb .fa-moon {
  opacity: 0;
  transform: scale(0.7);
}

.dark .theme-toggle-thumb {
  transform: translateX(24px);
  background: var(--accent);
  color: #09101b;
}

.dark .theme-toggle-thumb .fa-sun {
  opacity: 0;
  transform: scale(0.7);
}

.dark .theme-toggle-thumb .fa-moon {
  opacity: 1;
  transform: scale(1);
}

.button {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 0%, rgba(255, 255, 255, 0.12) 48%, transparent 100%);
  transform: translateX(120%);
  transition: transform 0.45s ease;
  z-index: 0;
}

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

.button:hover::before {
  transform: translateX(-18%);
}

.button:active,
.button.is-pressed {
  transform: translateY(1px) scale(0.985);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 32px rgba(112, 137, 58, 0.24);
}

.button-primary:hover {
  box-shadow: 0 22px 36px rgba(112, 137, 58, 0.3);
}

.button-secondary {
  border-color: var(--line-strong);
  color: var(--text);
  background: transparent;
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button-glow {
  box-shadow:
    0 18px 32px rgba(112, 137, 58, 0.24),
    0 0 0 0 rgba(157, 187, 80, 0.22);
}

.button-glow:hover {
  box-shadow:
    0 22px 36px rgba(112, 137, 58, 0.3),
    0 0 0 10px rgba(157, 187, 80, 0.08);
}

.button-compact {
  min-height: 46px;
  padding-inline: 20px;
}

.button-on-dark {
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.hero-section {
  position: relative;
  padding: 78px 0 50px;
}

.hero-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  opacity: 0.7;
  animation: floatDrift 14s ease-in-out infinite;
  will-change: transform;
}

.shape-one {
  top: 8%;
  right: 6%;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(157, 187, 80, 0.28), transparent 70%);
}

.shape-two {
  left: 2%;
  top: 28%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 74%);
  animation-duration: 17s;
}

.shape-three {
  bottom: 10%;
  right: 24%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(112, 137, 58, 0.16), transparent 72%);
  animation-duration: 19s;
}

.hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.hero-grid > *,
.course-explorer > *,
.course-explorer-stage > *,
.testimonial-showcase > *,
.features-layout > *,
.instructor-layout > *,
.cta-panel > *,
.footer-grid > *,
.footer-bottom > *,
.topbar > * {
  min-width: 0;
}

.hero-copy {
  max-width: 620px;
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title,
.section-title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 900;
}

.hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(120%) skewY(6deg);
  animation: lineReveal 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero-title-line:nth-child(2) {
  animation-delay: 0.12s;
}

.hero-title-line:nth-child(3) {
  animation-delay: 0.24s;
}

.hero-title-accent {
  color: var(--accent);
  text-shadow: 0 0 24px rgba(157, 187, 80, 0.12);
}

.hero-description,
.section-description,
.quote-text,
.course-body p,
.feature-card p,
.trust-item p,
.footer-brand p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

.hero-description {
  margin: 22px 0 0;
  max-width: 56ch;
  opacity: 0;
  animation: fadeRise 0.75s ease forwards;
  animation-delay: 0.34s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
  opacity: 0;
  animation: fadeRise 0.75s ease forwards;
  animation-delay: 0.48s;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  opacity: 0;
  animation: fadeRise 0.75s ease forwards;
  animation-delay: 0.58s;
}


.hero-point {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
}

.hero-point-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(112, 137, 58, 0.14);
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.hero-stage {
  position: relative;
  isolation: isolate;
  min-height: 620px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 60%),
    color-mix(in srgb, var(--surface-solid) 78%, transparent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%), rgba(157, 187, 80, 0.16), transparent 32%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.hero-stage:hover::after {
  opacity: 1;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: auto auto 60px 50%;
  width: 340px;
  height: 340px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(112, 137, 58, 0.28), transparent 70%);
  filter: blur(10px);
}

.hero-orbit {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  animation: orbitSpin 22s linear infinite;
  will-change: transform;
}

.orbit-one {
  inset: 86px 58px auto auto;
  width: 260px;
  height: 260px;
  transform: translate3d(0, var(--parallax-y, 0px), 0);
}

.orbit-two {
  inset: auto auto 60px 18px;
  width: 190px;
  height: 190px;
  animation-direction: reverse;
  animation-duration: 28s;
  transform: translate3d(0, var(--parallax-y, 0px), 0);
}

.hero-gridlines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 50% 50%, black 18%, transparent 78%);
  opacity: 0.55;
}

.hero-light-beam {
  position: absolute;
  inset: 12% auto auto 8%;
  width: 180px;
  height: 360px;
  background: linear-gradient(180deg, rgba(157, 187, 80, 0.14), transparent 70%);
  transform: rotate(-20deg);
  filter: blur(12px);
  opacity: 0.65;
  animation: pulseBeam 9s ease-in-out infinite;
  z-index: 0;
}

.metric-card,
.quote-card,
.course-card,
.feature-card,
.instructor-panel,
.trust-item,
.cta-panel,
.footer-contact {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.interactive-surface {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.interactive-surface::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%), rgba(157, 187, 80, 0.14), transparent 32%);
  opacity: 0;
  transition: opacity 0.24s ease;
  pointer-events: none;
  z-index: 0;
}

.interactive-surface > * {
  position: relative;
  z-index: 1;
}

.interactive-surface:hover::before {
  opacity: 1;
}

.hero-portrait-wrap {
  position: absolute;
  inset: auto 50% 0 auto;
  transform: translate3d(50%, var(--parallax-y, 0px), 0);
  width: min(100%, 460px);
  z-index: 2;
  will-change: transform;
}

.hero-portrait-halo {
  position: absolute;
  inset: 18% 16% 12%;
  border-radius: 48% 52% 58% 42%;
  background: linear-gradient(180deg, rgba(112, 137, 58, 0.38), rgba(112, 137, 58, 0.04));
  filter: blur(10px);
}

.hero-portrait {
  position: relative;
  max-height: 560px;
  width: auto;
  margin: 0 auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.28));
}

.section {
  padding: 96px 0;
}

.section-divider-wrap {
  margin-top: -10px;
  margin-bottom: -6px;
}

.section-divider {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: min(280px, 100%);
  margin: 0 auto;
}

.section-divider span {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.section-divider span:nth-child(1),
.section-divider span:nth-child(3) {
  width: 92px;
}

.section-divider span:nth-child(2) {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157, 187, 80, 0.42), rgba(157, 187, 80, 0.08) 58%, transparent 72%);
  box-shadow: 0 0 26px rgba(157, 187, 80, 0.18);
}

.section-divider-soft {
  opacity: 0.82;
}

.section-surface {
  background: linear-gradient(180deg, transparent, rgba(112, 137, 58, 0.04), transparent);
}

.section-proof {
  padding-top: 42px;
}

.section-heading {
  max-width: 670px;
  margin-bottom: 34px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 3.6rem);
}

.section-description {
  margin-top: 16px;
}

.metrics-grid,
.testimonial-grid,
.courses-grid,
.feature-grid,
.footer-grid {
  display: grid;
  gap: 18px;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.metric-card {
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.metric-card:hover,
.quote-card:hover,
.feature-card:hover,
.trust-item:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-md);
  border-color: rgba(157, 187, 80, 0.18);
}

.metric-value {
  display: block;
  font-family: var(--font-latin);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.quote-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.quote-stars {
  display: flex;
  gap: 6px;
  color: var(--accent);
  font-size: 0.86rem;
}

.quote-text {
  margin: 18px 0 20px;
}

.quote-author {
  display: grid;
  gap: 4px;
}

.quote-author strong {
  font-size: 0.98rem;
}

.quote-author span {
  color: var(--muted);
  font-size: 0.82rem;
}

.courses-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.course-card {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(112, 137, 58, 0.24);
}

.course-visual {
  position: relative;
  min-height: 220px;
  display: grid;
  align-content: space-between;
  gap: 20px;
  padding: 24px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(112, 137, 58, 0.16), rgba(16, 32, 58, 0.28));
}

.course-visual::before {
  content: "";
  position: absolute;
  inset: auto -10% -34% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 68%);
  filter: blur(6px);
  animation: floatDrift 15s ease-in-out infinite;
}

.course-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 38%),
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.12), transparent 22%);
}

.course-visual-foundation {
  background:
    linear-gradient(160deg, rgba(157, 187, 80, 0.18), rgba(13, 24, 44, 0.9)),
    #101a2b;
}

.course-visual-advanced {
  background:
    linear-gradient(160deg, rgba(61, 111, 175, 0.28), rgba(13, 24, 44, 0.92)),
    #101a2b;
}

.course-visual-review {
  background:
    linear-gradient(160deg, rgba(157, 187, 80, 0.14), rgba(76, 104, 152, 0.9)),
    #101a2b;
}

.course-visual-top,
.course-bars,
.course-rings,
.course-checkpoints,
.course-visual-wave {
  position: relative;
  z-index: 1;
}

.course-visual-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.course-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #ffffff;
  font-size: 1.1rem;
  animation: iconDrift 8s ease-in-out infinite;
}

.course-visual-note {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-latin);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 88px;
}

.course-bars span {
  flex: 1;
  border-radius: 999px 999px 16px 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.1));
  animation: equalize 6s ease-in-out infinite;
}

.course-bars span:nth-child(1) {
  height: 36%;
}

.course-bars span:nth-child(2) {
  height: 100%;
  animation-delay: 0.2s;
}

.course-bars span:nth-child(3) {
  height: 64%;
  animation-delay: 0.4s;
}

.course-rings {
  display: grid;
  place-items: center;
  min-height: 92px;
}

.course-rings span {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.course-rings span:nth-child(1) {
  width: 96px;
  height: 96px;
  animation: orbitSpin 12s linear infinite;
}

.course-rings span:nth-child(2) {
  width: 64px;
  height: 64px;
  border-style: dashed;
  animation: orbitSpin 9s linear infinite reverse;
}

.course-checkpoints {
  display: flex;
  align-items: center;
  gap: 14px;
}

.course-checkpoints span {
  flex: 1;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
  position: relative;
}

.course-checkpoints span::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 58%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.78));
  animation: progressSweep 6.6s ease-in-out infinite;
}

.course-checkpoints span:nth-child(2)::after {
  width: 80%;
  animation-delay: 0.4s;
}

.course-checkpoints span:nth-child(3)::after {
  width: 42%;
  animation-delay: 0.7s;
}

.course-visual-wave {
  height: 36px;
  border-radius: 999px;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.24) 0 14px, transparent 14px 28px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04));
  background-size: 160% 100%, 100% 100%;
  opacity: 0.72;
  animation: waveSlide 10s linear infinite;
}

.course-body {
  padding: 26px;
}

.course-body h3,
.feature-card h3,
.footer-title {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.45;
}

.course-body p {
  margin: 12px 0 0;
}

.course-meta,
.footer-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.course-meta li,
.footer-links a,
.footer-contact span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.8;
}

.course-meta li {
  position: relative;
  padding-right: 18px;
}

.course-meta li + li {
  margin-top: 8px;
}

.course-meta li::before {
  content: "";
  position: absolute;
  top: 0.72rem;
  right: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.course-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
}

.course-link::after {
  content: "←";
  font-size: 0.95rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.course-link:hover::after {
  transform: translateX(-4px);
}

.features-layout {
  display: grid;
  gap: 30px;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  padding: 26px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.feature-icon {
  position: relative;
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent);
  animation: iconDrift 7.5s ease-in-out infinite;
}

.feature-icon::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: inherit;
  border: 1px solid rgba(157, 187, 80, 0.2);
  opacity: 0;
  transform: scale(0.92);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card:hover .feature-icon::before {
  opacity: 1;
  transform: scale(1.06);
}

.feature-card:hover .feature-icon svg {
  transform: scale(1.05);
}

.feature-card h3 {
  margin-top: 16px;
}

.feature-card p {
  margin: 12px 0 0;
}

.instructor-layout {
  display: grid;
  gap: 36px;
  align-items: center;
}

.instructor-panel {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.instructor-panel::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(112, 137, 58, 0.22), transparent 68%);
}

.instructor-photo-wrap {
  position: relative;
  border-radius: 28px;
  min-height: 520px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(112, 137, 58, 0.12), rgba(7, 17, 31, 0.12));
}

.instructor-photo-backdrop {
  position: absolute;
  inset: 12% 18% 0;
  border-radius: 48% 52% 45% 55%;
  background: linear-gradient(180deg, rgba(112, 137, 58, 0.42), rgba(112, 137, 58, 0.06));
  filter: blur(8px);
}

.instructor-photo {
  position: absolute;
  inset: auto 50% 0 auto;
  transform: translateX(50%);
  max-height: 100%;
  width: auto;
}

.instructor-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.instructor-badge-row span {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-solid) 70%, transparent);
  font-size: 0.84rem;
  font-weight: 600;
}

.trust-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.trust-item {
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.trust-item strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 8px;
}

.trust-item p {
  margin: 0;
}

.section-cta {
  padding-top: 24px;
}

.cta-panel {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 34px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top right, rgba(157, 187, 80, 0.18), transparent 28%),
    linear-gradient(135deg, #0d182c, #07111f 72%);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}

.cta-panel .section-title,
.cta-panel .section-description {
  color: #ffffff;
}

.cta-panel .section-description {
  opacity: 0.8;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer {
  padding: 32px 0 110px;
}

.footer-grid {
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  align-items: start;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.footer-brand-link {
  margin-bottom: 18px;
}

.footer-title {
  margin-bottom: 14px;
  font-size: 0.94rem;
  font-weight: 800;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a {
  transition: color 0.2s ease;
}

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

.footer-contact-list {
  display: grid;
  gap: 10px;
}

.footer-contact {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.footer-contact i {
  color: var(--accent);
  font-size: 0.95rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.mobile-bottom-nav {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  width: auto;
  max-width: 100%;
  transform: none;
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-solid) 92%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
}

.mobile-nav-item {
  min-height: 64px;
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto;
  align-content: center;
  justify-items: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: 18px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  transition: color 0.2s ease, background 0.2s ease;
}

.mobile-nav-item span {
  display: block;
  min-width: 0;
  line-height: 1.25;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

.mobile-nav-item i {
  font-size: 1rem;
}

.mobile-nav-item.is-active {
  color: var(--text);
  background: var(--accent-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left {
  transform: translateX(-28px);
}

.reveal-right {
  transform: translateX(28px);
}

.reveal-scale {
  transform: translateY(24px) scale(0.97);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 {
  transition-delay: 0.08s;
}

.delay-200 {
  transition-delay: 0.16s;
}

.delay-300 {
  transition-delay: 0.24s;
}

@keyframes backgroundShift {
  from {
    background-position: 0% 0%, 0% 0%, 0% 0%;
  }
  to {
    background-position: 8% 4%, -6% 12%, 0% 0%;
  }
}

@keyframes lineReveal {
  from {
    opacity: 0;
    transform: translateY(120%) skewY(6deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0);
  }
}

@keyframes fadeRise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatDrift {
  0%, 100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -18px, 0);
  }
}

@keyframes floatCard {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -10px;
  }
}

@keyframes pulseBeam {
  0%, 100% {
    opacity: 0.45;
    transform: rotate(-20deg) scaleY(0.96);
  }
  50% {
    opacity: 0.72;
    transform: rotate(-18deg) scaleY(1.03);
  }
}

@keyframes orbitSpin {
  from {
    rotate: 0deg;
  }
  to {
    rotate: 360deg;
  }
}

@keyframes iconDrift {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes equalize {
  0%, 100% {
    transform: scaleY(0.94);
  }
  40% {
    transform: scaleY(1.08);
  }
  70% {
    transform: scaleY(0.88);
  }
}

@keyframes progressSweep {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(18%);
  }
}

@keyframes waveSlide {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: -64px 0, 0 0;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.react-landing .hero-shell {
  padding-bottom: 76px;
}

.react-landing .track-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.react-landing .track-chip {
  min-height: 64px;
  min-width: 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  color: var(--text);
  display: grid;
  align-content: start;
  gap: 4px;
  text-align: right;
  appearance: none;
  -webkit-appearance: none;
  flex: 1 1 168px;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.react-landing .track-chip span {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.5;
}

.react-landing .track-chip small {
  color: var(--muted);
  font-size: 0.76rem;
}

.react-landing .track-chip:hover {
  transform: translateY(-2px);
  border-color: rgba(157, 187, 80, 0.24);
}

.react-landing .track-chip.is-active {
  background: linear-gradient(135deg, rgba(157, 187, 80, 0.18), rgba(15, 27, 45, 0.92));
  border-color: rgba(157, 187, 80, 0.34);
  box-shadow: var(--shadow-md);
}

.react-landing .track-chip.is-active span,
.react-landing .track-chip.is-active small {
  color: var(--text);
}

.react-landing .hero-track-panel {
  margin-top: 22px;
  max-width: 560px;
  padding: 22px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--shadow-sm);
}

.react-landing .hero-track-head {
  display: grid;
  gap: 8px;
}

.react-landing .hero-track-label,
.react-landing .course-explorer-label,
.react-landing .hero-signal-label,
.react-landing .testimonial-stage-label {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.react-landing .hero-track-head strong {
  font-size: 1.08rem;
  line-height: 1.7;
}

.react-landing .hero-track-copy {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.9;
}

.react-landing .hero-track-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.react-landing .hero-track-stat,
.react-landing .course-explorer-stat {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
}

.react-landing .hero-track-stat span,
.react-landing .course-explorer-stat span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.react-landing .hero-track-stat strong,
.react-landing .course-explorer-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 0.96rem;
  line-height: 1.6;
}

.react-landing .react-stage {
  min-height: 660px;
}

.react-landing .hero-signal-card {
  position: absolute;
  left: 26px;
  bottom: 26px;
  width: min(260px, 44%);
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow-md);
  z-index: 3;
}

.react-landing .hero-signal-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
}

.react-landing .hero-signal-visual {
  margin-top: 16px;
}

.react-landing .react-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.react-landing .react-courses-section {
  padding-top: 82px;
}

.react-landing .course-explorer {
  display: grid;
  grid-template-columns: minmax(320px, 0.84fr) minmax(0, 1.16fr);
  gap: 28px;
  align-items: start;
}

.react-landing .course-explorer-nav,
.react-landing .testimonial-copy {
  max-width: 560px;
}

.react-landing .course-explorer-nav {
  color: var(--text);
}

.react-landing .course-explorer-nav .section-description,
.react-landing .course-explorer-nav .section-title,
.react-landing .course-explorer-nav .eyebrow {
  color: inherit;
}

.react-landing .course-explorer-nav .section-title {
  color: var(--text);
}

.react-landing .course-explorer-nav .section-description {
  color: var(--muted);
}

.react-landing .course-explorer-nav,
.react-landing .course-explorer-stage,
.react-landing .testimonial-stage {
  border-radius: 32px;
}

.react-landing .course-explorer-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.react-landing .explorer-item {
  padding: 18px 18px 16px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text) !important;
  text-align: right;
  appearance: none;
  -webkit-appearance: none;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.react-landing .explorer-item strong {
  display: block;
  color: var(--text) !important;
  font-size: 0.98rem;
  line-height: 1.6;
}

.react-landing .explorer-item span {
  display: block;
  margin-top: 6px;
  color: var(--muted) !important;
  font-size: 0.84rem;
  line-height: 1.8;
}

.react-landing .explorer-item:hover {
  transform: translateY(-2px);
  border-color: rgba(157, 187, 80, 0.2);
}

.react-landing .explorer-item.is-active {
  border-color: rgba(157, 187, 80, 0.3);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, rgba(157, 187, 80, 0.08), rgba(255, 255, 255, 0.02));
}

.react-landing .explorer-item.is-active strong,
.react-landing .explorer-item.is-active span {
  color: inherit !important;
}

.react-landing .explorer-item.is-active span {
  color: var(--muted) !important;
}

.react-landing .course-explorer-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow-lg);
}

.react-landing .course-explorer-visual {
  min-height: 248px;
  display: grid;
  align-content: space-between;
  gap: 22px;
  padding: 24px;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(160deg, rgba(157, 187, 80, 0.14), rgba(13, 24, 44, 0.92));
}

.react-landing .course-explorer-visual::before {
  content: "";
  position: absolute;
  inset: auto auto -36% 62%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
}

.react-landing .course-explorer-visual.foundation {
  background: linear-gradient(160deg, rgba(157, 187, 80, 0.18), rgba(13, 24, 44, 0.9));
}

.react-landing .course-explorer-visual.problem-solving {
  background: linear-gradient(160deg, rgba(77, 129, 214, 0.2), rgba(13, 24, 44, 0.92));
}

.react-landing .course-explorer-visual.final-review {
  background: linear-gradient(160deg, rgba(157, 187, 80, 0.12), rgba(72, 95, 154, 0.92));
}

.react-landing .course-explorer-content {
  padding: 6px 6px 4px;
}

.react-landing .course-explorer-content h3 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
  line-height: 1.5;
}

.react-landing .course-explorer-content p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.85;
}

.react-landing .course-explorer-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.react-landing .course-explorer-meta {
  margin-top: 18px;
}

.react-landing .course-explorer-cta {
  margin-top: 22px;
}

.react-landing .react-features-section {
  padding-top: 86px;
}

.react-landing .feature-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.react-landing .feature-step {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--shadow-sm);
}

.react-landing .feature-step::before {
  content: "";
  position: absolute;
  inset: 24px 24px auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  opacity: 0.7;
}

.react-landing .feature-step > * {
  position: relative;
  z-index: 1;
}

.react-landing .feature-step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(157, 187, 80, 0.18);
  background: rgba(157, 187, 80, 0.08);
  color: rgba(157, 187, 80, 0.72);
  font-family: var(--font-latin);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.react-landing .feature-step-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-inline-start: auto;
}

.react-landing .feature-step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.react-landing .feature-step h3 {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.6;
}

.react-landing .feature-step p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.9;
}

.react-landing .testimonial-showcase {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: center;
}

.react-landing .testimonial-stage {
  padding: 30px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow-lg);
}

.react-landing .testimonial-stage-quote {
  margin: 18px 0 0;
  max-width: 28ch;
  font-size: clamp(1.14rem, 2.4vw, 1.7rem);
  line-height: 1.8;
  letter-spacing: -0.02em;
}

.react-landing .testimonial-stage-author {
  display: grid;
  gap: 6px;
  margin-top: 26px;
}

.react-landing .testimonial-stage-author strong {
  font-size: 1rem;
}

.react-landing .testimonial-stage-author span {
  color: var(--muted);
  font-size: 0.85rem;
}

.react-landing .testimonial-dots {
  display: flex;
  gap: 10px;
  margin-top: 26px;
}

.react-landing .testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.14);
  padding: 0;
  transition: transform 0.2s ease, background 0.2s ease;
}

.react-landing .testimonial-dot.is-active {
  background: var(--accent);
  transform: scale(1.15);
}

.react-landing .react-instructor-section .section-description {
  max-width: 56ch;
}

.react-landing .react-cta-section {
  padding-top: 30px;
}

@media (max-width: 1240px) {
  .react-landing .course-explorer {
    grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  }

  .react-landing .feature-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 981px) {
  body {
    padding-bottom: 0;
  }

  .hero-grid,
  .instructor-layout {
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  }

  .features-layout {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .cta-panel {
    grid-template-columns: minmax(0, 1.2fr) auto;
  }
}

@media (max-width: 1100px) {
  .topbar {
    align-items: flex-start;
  }

  .topbar-links {
    display: none;
  }

  .metrics-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .react-landing .feature-steps,
  .react-landing .testimonial-showcase,
  .react-landing .course-explorer {
    grid-template-columns: 1fr;
  }

  .react-landing .course-explorer-stage {
    grid-template-columns: 1fr;
  }

  .react-landing .react-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .react-landing .course-explorer-nav,
  .react-landing .testimonial-copy {
    max-width: none;
  }

  .react-landing .course-explorer-stage,
  .react-landing .testimonial-stage {
    padding: 24px;
  }

  .react-landing .hero-signal-card {
    position: relative;
    left: auto;
    bottom: auto;
    width: 100%;
    max-width: 320px;
    margin-top: 20px;
  }
}

@media (max-width: 980px) {
  .site-header {
    padding-top: 14px;
  }

  .topbar {
    flex-wrap: wrap;
    padding: 12px;
  }

  .topbar-actions {
    gap: 8px;
    margin-inline-start: auto;
  }

  .text-link {
    display: none;
  }

  .button-compact {
    padding-inline: 16px;
  }

  .hero-section {
    padding-top: 56px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .hero-copy {
    text-align: center;
    margin-inline: auto;
  }

  .hero-actions,
  .hero-points,
  .cta-actions {
    justify-content: center;
  }

  .hero-stage {
    min-height: auto;
    max-width: 640px;
    margin-inline: auto;
  }

  .react-landing .track-switcher {
    justify-content: center;
  }

  .react-landing .hero-track-panel,
  .react-landing .course-explorer-nav,
  .react-landing .course-explorer-content,
  .react-landing .testimonial-copy {
    text-align: center;
    margin-inline: auto;
  }

  .react-landing .course-explorer-content {
    width: 100%;
  }

  .react-landing .course-explorer-stage,
  .react-landing .testimonial-stage {
    padding: 22px;
  }

  .features-layout,
  .instructor-layout,
  .cta-panel,
  .footer-bottom {
    grid-template-columns: 1fr;
  }

  .mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  :root {
    --content-width: min(1180px, calc(100% - 24px));
  }

  body {
    padding-bottom: 118px;
  }

  .brand-copy span {
    display: none;
  }

  .topbar {
    gap: 12px;
  }

  .brand {
    flex: 1 1 auto;
  }

  .topbar-actions {
    width: auto;
    flex: 0 0 auto;
    justify-content: flex-end;
  }

  .topbar-actions .button-compact {
    min-height: 42px;
    font-size: 0.82rem;
  }

  .hero-stage {
    padding: 22px;
  }

  .hero-portrait-wrap {
    position: relative;
    inset: auto;
    transform: none;
    width: 100%;
    max-width: 360px;
    margin: 16px auto 0;
  }

  .hero-portrait {
    max-height: 360px;
  }

  .section-divider-wrap {
    margin-top: -2px;
  }

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

  .react-landing .react-metrics,
  .react-landing .feature-steps {
    grid-template-columns: 1fr;
  }

  .react-landing .hero-track-panel,
  .react-landing .course-explorer-nav,
  .react-landing .course-explorer-stage,
  .react-landing .testimonial-stage {
    border-radius: 26px;
  }

  .react-landing .feature-step {
    padding: 22px 20px;
  }

  .react-landing .feature-step-head {
    align-items: flex-start;
  }

  .section {
    padding: 74px 0;
  }

  .section-proof {
    padding-top: 26px;
  }

  .metric-card,
  .quote-card,
  .course-body,
  .feature-card,
  .instructor-panel,
  .trust-item,
  .cta-panel {
    padding: 22px;
  }

  .instructor-photo-wrap {
    min-height: 420px;
  }
}

@media (max-width: 560px) {
  body {
    padding-bottom: 114px;
  }

  .shell {
    width: min(1180px, calc(100% - 24px));
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 10px;
    min-height: auto;
  }

  .brand {
    gap: 10px;
    grid-column: 1 / 2;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand-copy strong {
    font-size: 0.88rem;
  }

  .hero-title,
  .section-title {
    letter-spacing: -0.03em;
  }

  .hero-description,
  .section-description,
  .quote-text,
  .course-body p,
  .feature-card p,
  .trust-item p,
  .footer-brand p {
    font-size: 0.92rem;
  }

  .react-landing .track-chip {
    flex-basis: 100%;
  }

  .hero-stage {
    padding: 18px;
  }

  .react-landing .hero-track-meta,
  .react-landing .course-explorer-stats {
    grid-template-columns: 1fr;
  }

  .react-landing .hero-signal-card {
    max-width: none;
    margin-top: 16px;
  }

  .hero-portrait-wrap {
    width: 100%;
    max-width: 300px;
    margin-top: 12px;
  }

  .hero-portrait {
    max-height: 320px;
  }

  .hero-light-beam {
    display: none;
  }

  .react-landing .topbar-actions {
    width: auto;
    gap: 8px;
    justify-content: flex-end;
  }

  .theme-toggle {
    width: 52px;
    height: 32px;
  }

  .theme-toggle-thumb {
    width: 22px;
    height: 22px;
  }

  .dark .theme-toggle-thumb {
    transform: translateX(20px);
  }

  .button-compact {
    min-height: 42px;
    padding-inline: 16px;
    font-size: 0.82rem;
  }

  .react-landing .testimonial-stage-quote {
    max-width: none;
  }

  .react-landing .course-explorer-stage,
  .react-landing .testimonial-stage {
    padding: 18px;
  }

  .react-landing .course-explorer-visual {
    min-height: 220px;
    padding: 18px;
    gap: 18px;
  }

  .react-landing .course-explorer-content h3 {
    font-size: clamp(1.2rem, 6vw, 1.5rem);
  }

  .react-landing .feature-step-head {
    gap: 10px;
  }

  .react-landing .feature-step-icon {
    width: 48px;
    height: 48px;
    border-radius: 15px;
  }

  .mobile-bottom-nav {
    left: 12px;
    right: 12px;
    width: auto;
    bottom: 12px;
    gap: 6px;
    padding: 6px;
    border-radius: 20px;
  }

  .mobile-nav-item {
    min-height: 58px;
    gap: 3px;
    padding: 6px 2px;
    border-radius: 14px;
    font-size: 0.62rem;
  }

  .mobile-nav-item i {
    font-size: 0.92rem;
  }
}

@media (max-width: 420px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 10px;
  }

  .brand-copy strong {
    font-size: 0.78rem;
  }

  .theme-toggle {
    width: 50px;
    height: 30px;
  }

  .button-compact {
    min-height: 40px;
    padding-inline: 12px;
    font-size: 0.78rem;
  }

  .react-landing .topbar-actions {
    display: contents;
  }

  .react-landing .topbar-actions .button-compact {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 4px;
  }

  .hero-actions,
  .cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .cta-actions .button,
  .react-landing .course-explorer-cta {
    width: 100%;
  }

  .react-landing .hero-track-panel,
  .react-landing .course-explorer-nav,
  .react-landing .course-explorer-stage,
  .react-landing .testimonial-stage {
    padding: 16px;
  }

  .react-landing .feature-step {
    padding: 20px 16px;
  }

  .mobile-nav-item {
    min-height: 52px;
    font-size: 0.58rem;
  }

  .mobile-bottom-nav {
    left: 10px;
    right: 10px;
    width: auto;
    bottom: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-description,
  .hero-actions,
  .hero-points,
  .hero-title-line {
    opacity: 1;
    transform: none;
    animation: none;
  }
}