:root {
  --ink: #0c1218;
  --ink-soft: #243040;
  --muted: #5a6b7d;
  --line: #d5e0eb;
  --paper: #f3f7fb;
  --card: #ffffff;
  --accent: #0b9a84;
  --accent-deep: #067a68;
  --accent-soft: #dff7f1;
  --ink-panel: #0f1720;
  --max: 1140px;
  --radius: 18px;
  --font: "Manrope", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 520px at 8% -8%, #d9f5ef 0%, transparent 55%),
    radial-gradient(900px 420px at 92% 0%, #e6edf8 0%, transparent 50%),
    var(--paper);
  line-height: 1.55;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(243, 247, 251, 0.86);
  border-bottom: 1px solid rgba(213, 224, 235, 0.8);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.brand {
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.brand span { color: var(--accent); }
.nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}
.nav a:hover { color: var(--ink); }
.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.lang-select {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}
.auth-guest, .auth-user {
  display: flex;
  align-items: center;
  gap: 8px;
}
.auth-guest[hidden],
.auth-user[hidden],
.btn[hidden] {
  display: none !important;
}
.auth-user-label {
  font-size: 0.82rem;
  color: var(--muted);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-dark { background: var(--ink); color: white; }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 0.82rem; }

.hero {
  padding: 76px 0 56px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.hero-copy { max-width: 620px; }
.eyebrow {
  display: inline-flex;
  margin: 0 0 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: none;
}
.hero h1 .hero-line {
  display: block;
  word-break: keep-all;
  overflow-wrap: normal;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent-deep);
}
.lead {
  margin: 20px 0 0;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.06rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.fineprint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(11, 154, 132, 0.1), transparent 42%), linear-gradient(180deg, #fff, #edf3f9);
  box-shadow: 0 28px 70px rgba(12, 18, 24, 0.1);
  padding: 22px;
}
.panel-screen {
  border-radius: 18px;
  background: var(--ink-panel);
  color: #d8ebe4;
  min-height: 320px;
  padding: 20px;
  display: grid;
  gap: 12px;
  align-content: start;
}
.panel-bar { display: flex; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #3a4654; }
.dot:nth-child(1) { background: #ff6b6b; }
.dot:nth-child(2) { background: #ffd166; }
.dot:nth-child(3) { background: #06d6a0; }
.cue {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 0.9rem;
}
.cue time { color: #7dd3c2; font-variant-numeric: tabular-nums; }

section.block { padding: 72px 0; }
.section-kicker {
  margin: 0 0 10px;
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 400;
  max-width: none;
  word-break: keep-all;
  overflow-wrap: normal;
}
.section-title-wide { max-width: none; }
.section-sub {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 40rem;
  word-break: keep-all;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.steps-4 { grid-template-columns: repeat(4, 1fr); }
.step, .feat, .aud, .price, .trust-card, .spec-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.step { padding: 24px; min-height: 180px; }
.step-num {
  font-family: var(--display);
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 8px;
}
.step h3, .feat h3, .trust-card h3, .spec-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.step p, .feat p, .trust-card p, .spec-card p { margin: 0; color: var(--muted); font-size: 0.94rem; }

.block-trust {
  padding-top: 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.trust-card {
  padding: 24px;
  background: linear-gradient(180deg, #fff, #f7fafc);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.feature-grid-6 .feat { min-height: 168px; }
.feat { padding: 22px; min-height: 170px; }

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.spec-card { padding: 22px; }
.spec-card p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.cue-meta span { color: #9ed9cc; font-family: var(--font); font-size: 0.84rem; }
.cue-meta time { color: #66c7b2; }

.audience {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 32px;
}
.aud {
  background: var(--ink);
  color: #eef5f2;
  padding: 22px;
  min-height: 150px;
}
.aud h3 { margin: 0 0 8px; font-size: 1rem; }
.aud p { margin: 0; color: #9db0bc; font-size: 0.9rem; }

.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.price {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.price.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 20px 50px rgba(11,154,132,0.12);
}
.price h3 { margin: 0; font-size: 1rem; }
.amount {
  font-family: var(--display);
  font-size: 2.5rem;
  line-height: 1;
}
.amount small { font-size: 0.95rem; color: var(--muted); font-family: var(--font); }
.price ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  flex: 1;
}
.badge {
  align-self: start;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 5px 8px;
  border-radius: 999px;
}

.faq {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  max-width: 760px;
}
details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}
summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
details p { margin: 10px 0 0; color: var(--muted); }

.final {
  margin: 40px 0 80px;
  border-radius: 28px;
  padding: 48px 36px;
  background: linear-gradient(135deg, #0c1218 0%, #15343a 55%, #0b9a84 140%);
  color: white;
  text-align: center;
}
.final h2 {
  margin: 0 auto;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.25;
  word-break: keep-all;
  max-width: none;
}
.final p {
  color: #c9d9d4;
  max-width: 36rem;
  margin: 14px auto 0;
  word-break: keep-all;
}
.final .cta-row { justify-content: center; }
.final .btn-primary { background: white; color: var(--ink); }
.final .btn-ghost { border-color: rgba(255,255,255,0.25); color: white; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.88rem;
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(12, 18, 24, 0.55);
  backdrop-filter: blur(6px);
}
.modal[hidden] {
  display: none !important;
}
.modal-card {
  width: min(420px, 100%);
  background: white;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(12, 18, 24, 0.2);
  padding: 28px;
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 18px;
}
.modal-head h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.icon-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}
.auth-form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink-soft);
}
.field input, .field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 12px;
  font: inherit;
  color: var(--ink);
  background: white;
}
.field input:focus, .field select:focus {
  outline: 2px solid rgba(11, 154, 132, 0.25);
  border-color: var(--accent);
}
.field-hint { font-size: 0.78rem; color: var(--muted); }
.auth-error {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fff0f0;
  color: #b42318;
  font-size: 0.86rem;
}
.auth-switch {
  margin: 14px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}
.auth-switch button {
  border: none;
  background: none;
  color: var(--accent-deep);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .nav { display: none; }
  .steps, .steps-4, .feature-grid, .feature-grid-6, .pricing, .audience, .trust-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .auth-user-label { display: none; }
}

@media (max-width: 520px) {
  .top-inner { flex-wrap: wrap; min-height: auto; padding: 12px 0; }
  .top-actions { width: 100%; justify-content: flex-end; }
}