@property --bg { syntax: '<color>'; inherits: true; initial-value: #f6f6f4; }
@property --surface { syntax: '<color>'; inherits: true; initial-value: #ffffff; }
@property --ink { syntax: '<color>'; inherits: true; initial-value: #10151f; }
@property --ink-soft { syntax: '<color>'; inherits: true; initial-value: #2a3242; }
@property --muted { syntax: '<color>'; inherits: true; initial-value: #5c6675; }
@property --border { syntax: '<color>'; inherits: true; initial-value: #e5e7eb; }
@property --blue { syntax: '<color>'; inherits: true; initial-value: #2f6bf0; }
@property --blue-700 { syntax: '<color>'; inherits: true; initial-value: #1f57d6; }
@property --blue-soft { syntax: '<color>'; inherits: true; initial-value: #eaf1ff; }
@property --violet { syntax: '<color>'; inherits: true; initial-value: #7c5cff; }
@property --graphite { syntax: '<color>'; inherits: true; initial-value: #141a24; }

:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --ink: #10151f;
  --ink-soft: #2a3242;
  --muted: #5c6675;
  --border: #e5e7eb;
  --blue: #2f6bf0;
  --blue-700: #1f57d6;
  --blue-soft: #eaf1ff;
  --graphite: #141a24;
  --violet: #7c5cff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(16, 21, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 21, 31, 0.08);
  --shadow-lg: 0 24px 60px rgba(16, 21, 31, 0.16);
  --container: 1160px;
  transition: --bg .5s ease, --surface .5s ease, --ink .5s ease, --ink-soft .5s ease,
    --muted .5s ease, --border .5s ease, --blue .5s ease, --blue-700 .5s ease,
    --blue-soft .5s ease, --violet .5s ease, --graphite .5s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: 780px; }

.icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 16px; height: 16px; }
.accent { color: var(--blue); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.98rem;
  padding: 12px 20px;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 9px 16px; font-size: 0.9rem; border-radius: 10px; }
.btn-lg { padding: 15px 26px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px color-mix(in srgb, var(--blue) 30%, transparent); }
.btn-primary:hover { background: var(--blue-700); }
.btn-outline { background: var(--surface); color: var(--ink); border-color: var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled { border-color: var(--border); background: var(--surface); background: color-mix(in srgb, var(--surface) 90%, transparent); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 18px; }

.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.logo-mark {
  width: 34px; height: 34px; flex-shrink: 0;
  object-fit: contain; display: block;
}
.logo-light .logo-mark { filter: brightness(0) invert(1); }
.logo-text { display: flex; flex-direction: column; line-height: 1; font-size: 1.12rem; }
.logo-sub { font-size: 0.68rem; font-weight: 600; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; margin-top: 3px; }

.nav { display: flex; gap: 6px; }
.nav a { color: var(--muted); font-weight: 600; font-size: 0.95rem; padding: 8px 12px; border-radius: 9px; transition: color .15s, background .15s; }
.nav a:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 6%, transparent); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 8px; cursor: pointer; color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 84px; position: relative; overflow: clip; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 620px;
  background: radial-gradient(60% 60% at 20% 0%, color-mix(in srgb, var(--blue) 14%, transparent), transparent 70%),
              radial-gradient(50% 50% at 90% 10%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 70%);
  z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy h1 { margin: 18px 0 18px; }
.lead { color: var(--muted); font-size: 1.12rem; max-width: 540px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--ink-soft); font-weight: 600; font-size: 0.85rem;
  padding: 7px 14px; border-radius: 999px; box-shadow: var(--shadow-sm);
}
.eyebrow .icon { color: var(--blue); }
.hero-cta { display: flex; gap: 14px; margin: 28px 0 22px; flex-wrap: wrap; }
.hero-trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: 0.92rem; }
.hero-trust li { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust .icon { color: #16a34a; }

/* Browser mock */
.hero-visual { position: relative; }
.browser { background: #ffffff; border: 1px solid #e1e3e8; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-lg); }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; background: #f1f2f4; border-bottom: 1px solid #e6e8ec; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f57; } .dot.yellow { background: #febc2e; } .dot.green { background: #28c840; }
.browser-url { margin-left: 12px; display: inline-flex; align-items: center; gap: 7px; font-size: 0.82rem; color: #5c6675; background: #fff; border: 1px solid #e1e3e8; border-radius: 8px; padding: 5px 12px; }
.browser-body { display: grid; grid-template-columns: 128px 1fr; min-height: 240px; }
.mock-side { background: #fafafa; border-right: 1px solid #e6e8ec; padding: 16px 12px; display: flex; flex-direction: column; gap: 10px; }
.mock-logo { font-weight: 800; font-size: 0.82rem; color: #10151f; margin-bottom: 8px; }
.mock-nav { height: 9px; border-radius: 6px; background: #e9ebef; }
.mock-nav.active { background: var(--blue); opacity: .9; width: 80%; }
.mock-main { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.mock-topbar { display: flex; align-items: center; justify-content: space-between; }
.mock-title { font-weight: 700; font-size: 0.92rem; color: #10151f; }
.mock-chip { font-size: 0.72rem; font-weight: 700; color: #1f57d6; background: #eaf1ff; padding: 4px 10px; border-radius: 999px; }
.mock-list { display: flex; flex-direction: column; gap: 10px; }
.mock-lesson { display: flex; align-items: center; gap: 12px; background: #f7f8fa; border: 1px solid #e6e8ec; border-radius: 12px; padding: 12px 14px; }
.mock-time { font-weight: 800; font-size: 0.9rem; color: #10151f; }
.mock-who { flex: 1; min-width: 0; }
.mock-who b { display: block; font-size: 0.86rem; color: #10151f; }
.mock-who span { font-size: 0.72rem; color: #5c6675; }
.mock-link { font-size: 0.72rem; font-weight: 700; color: #fff; background: #2f6bf0; padding: 5px 12px; border-radius: 8px; }
.hero-float {
  position: absolute; right: -14px; bottom: -22px;
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 18px; box-shadow: var(--shadow-md); max-width: 280px;
}
.hero-float .icon { color: var(--violet); flex-shrink: 0; }
.hero-float b { display: block; font-size: 0.88rem; }
.hero-float span { font-size: 0.78rem; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section-muted { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { margin: 10px 0 0; }
.section-sub { color: var(--muted); margin-top: 12px; }
.kicker { font-size: 0.82rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.pain h3 { margin-bottom: 8px; }
.pain p { color: var(--muted); font-size: 0.98rem; }
.pain::before { content: ""; display: block; width: 34px; height: 4px; border-radius: 4px; background: #f0b429; margin-bottom: 16px; }
.turn { text-align: center; margin-top: 40px; font-size: 1.2rem; font-weight: 700; }
.turn::after { content: ""; display: block; width: 64px; height: 4px; border-radius: 4px; background: var(--blue); margin: 18px auto 0; }

/* Steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0; margin: 0; counter-reset: step; }
.steps li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); position: relative; }
.step-num {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); font-weight: 800; font-size: 1.05rem; margin-bottom: 14px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--muted); font-size: 0.95rem; }

/* Features */
.feature { display: flex; flex-direction: column; gap: 12px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #d7dbe3; }
.feature-icon { width: 46px; height: 46px; border-radius: 13px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; }
.feature p { color: var(--muted); font-size: 0.96rem; }

/* Split sections */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-copy { order: 2; }
.split-copy h2 { margin: 10px 0 16px; }
.split-copy > p { color: var(--muted); font-size: 1.05rem; }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.98rem; }
.check-list .icon { color: #16a34a; flex-shrink: 0; }

.domain-card { display: flex; align-items: center; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-md); }
.domain-card .icon { color: var(--blue); width: 34px; height: 34px; }
.domain-card + .domain-card { margin-top: 16px; }
.domain-card.is-own { border-color: var(--violet); box-shadow: 0 12px 32px color-mix(in srgb, var(--violet) 18%, transparent); }
.domain-card.is-own .icon { color: var(--violet); }
.domain-label { display: block; font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.domain-card b { font-size: 1.4rem; }
.dim { color: var(--muted); font-weight: 600; }
.swatches { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.swatch {
  position: relative; width: 46px; height: 46px; padding: 0; border-radius: 12px;
  background: var(--c); border: 2px solid transparent; cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .06), 0 2px 6px rgba(0, 0, 0, .08);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.swatch:hover { transform: translateY(-3px); }
.swatch:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.swatch.is-selected { border-color: var(--ink); transform: translateY(-3px); }
.swatch.is-selected::after {
  content: ""; position: absolute; top: 50%; left: 50%; width: 15px; height: 8px;
  border-left: 3px solid #fff; border-bottom: 3px solid #fff;
  transform: translate(-50%, -65%) rotate(-45deg);
}

.tutor-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-md); }
.tutor-head { display: flex; align-items: center; gap: 14px; }
.tutor-avatar { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--blue), var(--violet)); flex-shrink: 0; }
.tutor-id b { display: block; font-size: 1.05rem; }
.tutor-id span { font-size: 0.85rem; color: var(--muted); }
.tutor-verified { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; font-size: 0.72rem; font-weight: 700; color: var(--blue); background: var(--blue-soft); padding: 5px 10px; border-radius: 999px; white-space: nowrap; }
.tutor-verified .icon { width: 13px; height: 13px; }
.tutor-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 20px 0; }
.tutor-stats > div { background: var(--blue-soft); background: color-mix(in srgb, var(--blue-soft) 55%, var(--surface)); border: 1px solid var(--border); border-radius: 12px; padding: 12px; text-align: center; }
.tutor-stats b { display: block; font-size: 1.3rem; color: var(--blue); }
.tutor-stats span { font-size: 0.72rem; color: var(--muted); }
.tutor-rows { display: flex; flex-direction: column; margin-bottom: 22px; }
.tutor-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.tutor-row:last-child { border-bottom: 0; }
.tutor-row span { color: var(--muted); }
.tutor-row b { font-weight: 700; white-space: nowrap; }

.badge-card { background: linear-gradient(160deg, var(--surface), color-mix(in srgb, var(--blue-soft) 70%, var(--surface))); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-md); text-align: center; }
.badge-ribbon { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center; background: linear-gradient(135deg, var(--violet), var(--blue)); color: #fff; box-shadow: 0 12px 28px color-mix(in srgb, var(--violet) 38%, transparent); }
.badge-ribbon .icon { width: 30px; height: 30px; }
.badge-card b { display: block; font-size: 1.15rem; }
.badge-card p { color: var(--muted); margin-top: 8px; font-size: 0.95rem; }

/* Anti-chaos merge visual */
.chaos-merge { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-md); }
.chaos-label { display: block; font-size: 0.76rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.chaos-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.chaos-col li { position: relative; padding-left: 26px; font-size: 0.94rem; }
.chaos-col.before li { color: var(--muted); }
.chaos-col.before li::before { content: "\00d7"; position: absolute; left: 0; top: -1px; color: #ef4444; font-weight: 800; }
.chaos-col.after li::before { content: "\2713"; position: absolute; left: 0; top: -1px; color: #16a34a; font-weight: 800; }
.chaos-arrow { display: grid; place-items: center; color: var(--blue); margin: 18px 0; }
.chaos-arrow .icon { width: 26px; height: 26px; transform: rotate(90deg); }

/* Flow */
.flow { display: flex; align-items: stretch; gap: 12px; }
.flow-step { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.flow-num { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--graphite); color: #fff; font-weight: 800; margin-bottom: 12px; }
.flow-step h3 { margin-bottom: 6px; }
.flow-step p { color: var(--muted); font-size: 0.92rem; }
.flow-arrow { display: grid; place-items: center; color: var(--blue); }
.flow-arrow .icon { width: 26px; height: 26px; }

/* Losses */
.loss-layout { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: start; }
.loss-list { display: flex; flex-direction: column; gap: 14px; }
.loss-item { display: flex; gap: 16px; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); }
.loss-icon { width: 46px; height: 46px; border-radius: 13px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; flex-shrink: 0; }
.loss-item h3 { margin-bottom: 4px; }
.loss-item p { color: var(--muted); font-size: 0.95rem; }
.loss-item b { color: var(--ink); }
.loss-body { flex: 1; min-width: 0; }
.loss-value { align-self: center; font-weight: 800; color: var(--blue); white-space: nowrap; }
.loss-total { position: sticky; top: 92px; background: var(--graphite); color: #fff; border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-md); }
.loss-result-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.6); }
.loss-big { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; margin: 8px 0 4px; }
.loss-unit { font-size: 1rem; font-weight: 600; color: rgba(255,255,255,.6); }
.loss-year { color: rgba(255,255,255,.7); font-weight: 600; }
.loss-compare { font-size: 0.9rem; color: rgba(255,255,255,.75); margin: 20px 0; }
.loss-compare b { color: #fff; }
.loss-total .btn { width: 100%; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.price-card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 8px; }
.price-card.featured { border-color: var(--blue); box-shadow: 0 20px 50px color-mix(in srgb, var(--blue) 20%, transparent); transform: translateY(-6px); }
.badge-popular { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--blue); color: #fff; font-size: 0.72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 5px 14px; border-radius: 999px; }
.price { display: flex; align-items: baseline; gap: 6px; margin: 12px 0 4px; }
.amount { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.03em; }
.period { color: var(--muted); font-size: 0.9rem; }
.price-desc { color: var(--muted); font-size: 0.9rem; min-height: 44px; }
.price-features { list-style: none; padding: 0; margin: 10px 0 22px; display: flex; flex-direction: column; gap: 10px; font-size: 0.94rem; }
.price-features li { position: relative; padding-left: 26px; }
.price-features li::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--blue-soft); }
.price-features li::after { content: ""; position: absolute; left: 5px; top: 9px; width: 6px; height: 3px; border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(-45deg); }
.price-card .btn { margin-top: auto; }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 20px; box-shadow: var(--shadow-sm); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 700; font-size: 1.02rem; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--blue); font-weight: 600; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 18px; margin: 0; }

/* CTA */
.cta { background: var(--graphite); color: #fff; border-radius: 0; }
.cta-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.cta-copy h2 { color: #fff; }
.cta-copy p { color: rgba(255,255,255,.72); font-size: 1.05rem; margin-top: 14px; }
.cta .check-list li { color: rgba(255,255,255,.9); }
.cta .check-list .icon { color: #67e8a3; }
.cta-form { background: var(--surface); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.86rem; font-weight: 700; color: var(--ink-soft); }
.field input, .field select {
  font: inherit; font-size: 0.98rem; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 20%, transparent); }
.field input.invalid { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,.15); }
.form-hint { font-size: 0.78rem; color: var(--muted); text-align: center; }
.cta-form.is-sent { justify-content: center; align-items: center; text-align: center; min-height: 320px; }
.cta-form.is-sent .success-icon { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: #dcfce7; color: #16a34a; margin-bottom: 8px; }
.cta-form.is-sent h3 { font-size: 1.3rem; }
.cta-form.is-sent p { color: var(--muted); }
.cta-form.is-error { justify-content: center; align-items: center; text-align: center; min-height: 320px; }
.cta-form.is-error .error-icon { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: #fee2e2; color: #dc2626; margin-bottom: 8px; }
.cta-form.is-error h3 { font-size: 1.3rem; }
.cta-form.is-error p { color: var(--muted); }

/* Footer */
.site-footer { background: var(--graphite); color: #fff; padding: 56px 0 28px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.12); }
.logo-light .logo-sub { color: rgba(255,255,255,.55); }
.footer-brand p { color: rgba(255,255,255,.62); margin-top: 14px; max-width: 340px; font-size: 0.94rem; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-contact a { color: rgba(255,255,255,.75); font-size: 0.95rem; }
.footer-nav a:hover, .footer-contact a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact span { color: rgba(255,255,255,.5); font-size: 0.82rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-contact a { font-weight: 700; font-size: 1.05rem; }
.footer-bottom { padding-top: 22px; color: rgba(255,255,255,.5); font-size: 0.85rem; }

/* ---------- Animations ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
.js .reveal.reveal-left { transform: translate(-36px, 14px); }
.js .reveal.reveal-right { transform: translate(36px, 14px); }
.js .reveal.reveal-scale { transform: scale(.92); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* Hero entrance */
.js .hero-copy > * { animation: riseIn .8s cubic-bezier(.22, .61, .36, 1) both; }
.js .hero-copy > *:nth-child(1) { animation-delay: .05s; }
.js .hero-copy > *:nth-child(2) { animation-delay: .14s; }
.js .hero-copy > *:nth-child(3) { animation-delay: .23s; }
.js .hero-copy > *:nth-child(4) { animation-delay: .32s; }
.js .hero-copy > *:nth-child(5) { animation-delay: .41s; }
.js .hero-copy > *:nth-child(6) { animation-delay: .50s; }
.js .hero-visual { animation: riseIn 1s cubic-bezier(.22, .61, .36, 1) .28s both; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

.hero-float { animation: floaty 4.5s ease-in-out 1.4s infinite; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Tutor card content reveal */
.js .tutor-stats > div,
.js .tutor-row {
  opacity: 0; transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.js .split-visual.is-visible .tutor-stats > div,
.js .split-visual.is-visible .tutor-row { opacity: 1; transform: none; }
.js .tutor-stats > div:nth-child(1) { transition-delay: .10s; }
.js .tutor-stats > div:nth-child(2) { transition-delay: .16s; }
.js .tutor-stats > div:nth-child(3) { transition-delay: .22s; }
.js .tutor-row:nth-child(1) { transition-delay: .26s; }
.js .tutor-row:nth-child(2) { transition-delay: .31s; }
.js .tutor-row:nth-child(3) { transition-delay: .36s; }
.js .tutor-row:nth-child(4) { transition-delay: .41s; }

/* ---------- Reviews page ---------- */
.page-hero { padding: 72px 0 56px; text-align: center; position: relative; overflow: clip; }
.page-hero::before {
  content: ""; position: absolute; inset: -30% -10% auto -10%; height: 560px; z-index: -1;
  background: radial-gradient(55% 60% at 25% 0%, color-mix(in srgb, var(--blue) 14%, transparent), transparent 70%),
              radial-gradient(45% 55% at 90% 5%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 70%);
}
.page-hero .eyebrow { margin: 0 auto; }
.page-hero h1 { margin: 18px auto 16px; max-width: 780px; }
.page-hero .lead { margin: 0 auto; max-width: 620px; }
.trust-bar { list-style: none; padding: 0; margin: 30px auto 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 14px; }
.trust-bar li { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: 0.9rem; box-shadow: var(--shadow-sm); }
.trust-bar .icon { color: var(--blue); }

.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { display: flex; flex-direction: column; gap: 14px; }
.review-stars { display: inline-flex; gap: 3px; color: #f59e0b; }
.review-stars .icon { width: 16px; height: 16px; fill: currentColor; stroke: none; }
.review-text { color: var(--ink-soft); font-size: 1rem; line-height: 1.6; flex: 1; }
.review-author { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--border); }
.review-avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--blue), var(--violet)); flex-shrink: 0; font-size: 0.92rem; }
.review-name { font-weight: 700; font-size: 0.96rem; }
.review-role { font-size: 0.82rem; color: var(--muted); }
.reviews-more { text-align: center; margin-top: 36px; }

.cta-action { display: flex; align-items: center; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid, .split, .split.reverse, .cta-inner { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-copy { order: 0; }
  .loss-layout { grid-template-columns: 1fr; }
  .loss-total { position: static; }
  .cards-3, .steps, .pricing { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 4px;
    background: var(--surface); border-bottom: 1px solid var(--border); padding: 14px 24px 20px;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .2s ease;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { padding: 12px; font-size: 1.02rem; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-sm { display: none; }
  .cards-3, .steps, .pricing, .footer-inner { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .hero { padding: 48px 0 64px; }
  .section { padding: 60px 0; }
  .hero-float { position: static; margin-top: 18px; max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
  .js .reveal, .js .tutor-stats > div, .js .tutor-row { opacity: 1 !important; transform: none !important; }
}