/* ============================================================
   myvirtualteacher.ai — design tokens + component styles
   ============================================================ */

:root,
[data-theme="light"] {
  /* ---- Type scale ---- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.3vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1rem + 4.2vw, 4.5rem);

  /* ---- Spacing (4px system) ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---- Fonts ---- */
  --font-display: "General Sans", "Satoshi", "Inter", -apple-system, sans-serif;
  --font-body: "General Sans", "Inter", -apple-system, sans-serif;

  /* ---- Surfaces ---- */
  --color-bg: #fbfcfe;
  --color-surface: #ffffff;
  --color-surface-2: #f4f6fa;
  --color-surface-offset: #eef1f7;
  --color-divider: #e6e9f0;
  --color-border: #e2e6ee;

  /* ---- Text ---- */
  --color-text: #0e1420;
  --color-text-muted: #5b6473;
  --color-text-faint: #97a0ae;
  --color-text-inverse: #ffffff;

  /* ---- Accent (blue → purple, from the reference) ---- */
  --color-primary: #2f6feb;
  --color-primary-hover: #1f56c4;
  --color-primary-soft: #eaf1ff;
  --color-purple: #7c4bec;
  --color-purple-soft: #f1ecff;
  --gradient-accent: linear-gradient(96deg, #2f6feb 0%, #7c4bec 100%);

  --color-success: #1f8a53;
  --color-success-soft: #e7f5ec;

  /* ---- Radius / shadow / motion ---- */
  --radius-md: 0.85rem;
  --radius-lg: 1.35rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 10px rgba(20, 30, 55, 0.05);
  --shadow-md: 0 16px 40px rgba(20, 30, 55, 0.08);
  --shadow-lg: 0 30px 80px rgba(20, 30, 55, 0.12);
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-wide: 1240px;
  --content-default: 1000px;
  --content-narrow: 700px;
}

[data-theme="dark"] {
  --color-bg: #0a0d16;
  --color-surface: #10141f;
  --color-surface-2: #151a27;
  --color-surface-offset: #191f2d;
  --color-divider: #232a3a;
  --color-border: #262e40;

  --color-text: #eef1f7;
  --color-text-muted: #9aa4b6;
  --color-text-faint: #616c80;
  --color-text-inverse: #0a0d16;

  --color-primary: #6ea1ff;
  --color-primary-hover: #8fb6ff;
  --color-primary-soft: #182338;
  --color-purple: #a884ff;
  --color-purple-soft: #221c38;
  --gradient-accent: linear-gradient(96deg, #6ea1ff 0%, #a884ff 100%);

  --color-success: #56c98a;
  --color-success-soft: #16281d;

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
}

/* ============================================================
   Layout primitives
   ============================================================ */

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

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

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section-head {
  max-width: 42rem;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.section-head p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 38rem;
}

.section--offset {
  background: var(--color-surface-2);
  border-block: 1px solid var(--color-divider);
}

/* ============================================================
   Header / nav
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-block: var(--space-4);
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  min-height: 44px;
}

.brand-mark {
  width: 2.15rem;
  height: 2.15rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.brand-suffix {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.nav-cta {
  display: none;
}

.menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}

.btn {
  background: var(--color-text);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.btn svg {
  transition: transform var(--transition-interactive);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  padding: 0;
  min-height: auto;
  color: var(--color-text);
  border-bottom: 1.5px solid var(--color-primary);
  border-radius: 0;
  font-weight: 600;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: var(--color-primary);
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding-top: clamp(var(--space-16), 8vw, var(--space-24));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 46rem;
  height: 46rem;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-primary) 14%, transparent), transparent 70%);
  filter: blur(10px);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-soft);
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: var(--space-5);
}

.hero-copy h1 .accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 34rem;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-bubble {
  position: relative;
  width: min(30rem, 100%);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  isolation: isolate;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-primary) 24%, transparent),
    0 40px 90px color-mix(in srgb, var(--color-primary) 22%, transparent),
    inset 0 0 40px color-mix(in srgb, #ffffff 40%, transparent);
  animation: floatSlow 8s ease-in-out infinite;
}

.hero-bubble img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 15%;
}

.hero-bubble::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.35), transparent 45%);
  z-index: 2;
}

.hero-bubble-ring {
  position: absolute;
  inset: -3%;
  border-radius: 50%;
  border: 1.5px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  animation: rotateRing 22s linear infinite;
  pointer-events: none;
}

.hero-bubble-ring.ring-2 {
  inset: 6%;
  border-color: color-mix(in srgb, var(--color-purple) 26%, transparent);
  animation-duration: 16s;
  animation-direction: reverse;
}

.hero-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  animation: floatSlow 6s ease-in-out infinite;
}

.hero-chip .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-soft);
}

.hero-chip.chip-1 { top: 4%; left: -6%; animation-delay: 0.4s; }
.hero-chip.chip-2 { bottom: 10%; right: -8%; animation-delay: 1.1s; }

/* Feature strip under hero */

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
}

.feature-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
}

.feature-icon {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   Logo strip / trust
   ============================================================ */

.trust-strip {
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-divider);
}

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

.trust-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  white-space: nowrap;
}

.trust-marks {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(var(--space-6), 4vw, var(--space-12));
  color: var(--color-text-faint);
  font-weight: 700;
  font-size: var(--text-sm);
}

/* ============================================================
   How it works (Platform)
   ============================================================ */

.steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.step {
  display: flex;
  gap: var(--space-5);
}

.step-index {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.step h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 30rem;
}

/* Mock product panel */

.mock-panel {
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mock-panel-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  flex-wrap: nowrap;
}

.mock-panel-bar span.dot-red,
.mock-panel-bar span.dot-yellow,
.mock-panel-bar span.dot-green {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-divider);
  flex-shrink: 0;
}

.mock-panel-bar span.dot-red { background: #f2735c; }
.mock-panel-bar span.dot-yellow { background: #f0c34a; }
.mock-panel-bar span.dot-green { background: #57c785; }

.mock-panel-title {
  margin-left: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1 1 auto;
}

.mock-panel-body {
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.mock-chat {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.mock-avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--gradient-accent);
  flex-shrink: 0;
}

.mock-bubble {
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 22rem;
}

.mock-bubble.mock-bubble--user {
  background: var(--color-primary-soft);
  color: var(--color-text);
  margin-left: auto;
}

.mock-progress-row {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.mock-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.mock-progress-track {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  overflow: hidden;
}

.mock-progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  width: 0%;
  transition: width 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   For schools (stats)
   ============================================================ */

.schools-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: start;
}

.check-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.check-item svg {
  flex-shrink: 0;
  color: var(--color-success);
  margin-top: 0.15rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.stat-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   Pricing
   ============================================================ */

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

.price-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.price-card--highlight {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

.price-card--highlight .price-card-badge {
  background: color-mix(in srgb, var(--color-text-inverse) 16%, transparent);
  color: var(--color-text-inverse);
}

.price-card--highlight .price-desc,
.price-card--highlight .price-period {
  color: color-mix(in srgb, var(--color-text-inverse) 68%, transparent);
}

.price-card--highlight .price-feature {
  color: color-mix(in srgb, var(--color-text-inverse) 88%, transparent);
}

.price-card--highlight .price-feature svg {
  color: color-mix(in srgb, var(--color-text-inverse) 55%, var(--color-success));
}

.price-card-badge {
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.price-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.price-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.price-amount strong {
  font-family: var(--font-display);
  font-size: var(--text-xl);
}

.price-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.price-features {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.price-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.price-feature svg {
  flex-shrink: 0;
  color: var(--color-success);
  margin-top: 0.2rem;
}

.price-card .btn,
.price-card .btn-secondary {
  margin-top: auto;
  width: 100%;
}

.price-card--highlight .btn-secondary {
  background: var(--color-text-inverse);
  color: var(--color-text);
  border-color: transparent;
}

/* ============================================================
   Testimonial
   ============================================================ */

.testimonial {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
}

.testimonial blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  line-height: 1.4;
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: center;
}

.testimonial-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--gradient-accent);
}

.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 700;
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   Final CTA banner
   ============================================================ */

.cta-banner {
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--color-text);
  color: var(--color-text-inverse);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 30rem;
  height: 30rem;
  background: var(--gradient-accent);
  opacity: 0.35;
  filter: blur(60px);
  z-index: -1;
}

.cta-copy h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin-bottom: var(--space-3);
}

.cta-copy p {
  color: color-mix(in srgb, var(--color-text-inverse) 70%, transparent);
  max-width: 30rem;
}

.cta-banner .btn {
  background: var(--color-text-inverse);
  color: var(--color-text);
  box-shadow: none;
  flex-shrink: 0;
}

.cta-banner .btn:hover {
  background: var(--color-primary);
  color: var(--color-surface);
}

/* ============================================================
   Footer / Contact
   ============================================================ */

.footer {
  padding-block: clamp(var(--space-16), 8vw, var(--space-20));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-8);
}

.contact-links {
  display: grid;
  gap: var(--space-3);
}

.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 52px;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 600;
}

.contact-link:hover,
.contact-link:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-legal {
  display: flex;
  gap: var(--space-5);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

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

/* ============================================================
   Motion helpers
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(22px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes rotateRing {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Mobile menu
   ============================================================ */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--color-bg) 97%, transparent);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
  pointer-events: none;
}

.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-10);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}

.mobile-menu .btn {
  margin-top: var(--space-8);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1080px) {
  .hero-grid,
  .steps-grid,
  .schools-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual { order: -1; }
  .hero-bubble { width: min(24rem, 80vw); margin-inline: auto; }
  .feature-strip { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 26rem; margin-inline: auto; }
  .price-card--highlight { order: -1; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .hero-chip { display: none; }
  .schools-grid .stat-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  .cta-banner .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 721px) {
  .nav-cta { display: inline-flex; }
}

/* ============================================================
   Legal pages (Terms / Privacy)
   ============================================================ */

.legal-hero {
  padding-top: clamp(var(--space-16), 7vw, var(--space-20));
  padding-bottom: clamp(var(--space-10), 5vw, var(--space-12));
  border-bottom: 1px solid var(--color-divider);
}

.legal-hero .section-kicker { margin-bottom: var(--space-4); }

.legal-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.legal-updated {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.legal-updated strong { color: var(--color-text); font-weight: 600; }

.legal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: start;
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}

.legal-toc {
  position: sticky;
  top: calc(var(--space-16) + 1rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.legal-toc-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.legal-toc a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-md);
  line-height: 1.35;
}

.legal-toc a:hover,
.legal-toc a:focus-visible {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.legal-body {
  max-width: 70ch;
}

.legal-body section {
  padding-bottom: clamp(var(--space-10), 5vw, var(--space-12));
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-12));
  border-bottom: 1px solid var(--color-divider);
  scroll-margin-top: var(--space-24);
}

.legal-body section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.legal-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.legal-body h2 .legal-num {
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.legal-body h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin: var(--space-6) 0 var(--space-2);
}

.legal-body p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.legal-body ul,
.legal-body ol {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
  padding-left: 1.3rem;
  display: grid;
  gap: var(--space-2);
}

.legal-body li::marker {
  color: var(--color-primary);
}

.legal-body strong { color: var(--color-text); }

.legal-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 0.15em; }

.legal-callout {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, var(--color-border));
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.legal-callout strong { color: var(--color-text); }

@media (max-width: 900px) {
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; }
}