/* ── Reset & tokens ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Backgrounds — deep lake navy */
  --bg:          #020b14;
  --surface-1:   #06111e;
  --surface-2:   #0a1a2b;
  --surface-3:   #0e2238;
  --border:      #152d45;

  /* Primary accent — lake blue (colorblind-safe) */
  --blue:        #1f9ed2;
  --blue-dim:    #0072b2;
  --blue-glow:   rgba(31, 158, 210, 0.14);

  /* Warning / unhappy path — burnt orange (colorblind-safe) */
  --orange:      #e69f00;
  --orange-dim:  #b84e1a;
  --orange-glow: rgba(230, 159, 0, 0.14);

  /* Text */
  --text:        #d8e8f0;
  --text-muted:  #6a8fa8;
  --text-dim:    #2e4a5e;

  --mono:        'SF Mono', 'Fira Code', 'Fira Mono', 'Cascadia Code', monospace;
  --sans:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --radius:      5px;
  --radius-lg:   10px;
  --transition:  0.18s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--text); }

.mono {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Nav ───────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(2, 11, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}

.nav-cta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid var(--blue-dim);
  border-radius: var(--radius);
  padding: 7px 14px;
  transition: background var(--transition), color var(--transition);
}
.nav-cta:hover {
  background: var(--blue);
  color: var(--bg);
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--blue);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  padding: 13px 28px;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); color: var(--bg); }
.btn-primary:active { transform: translateY(0); }

/* ── Hero ──────────────────────────────────────────────────────── */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.hero-disclaimer {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.hero-features {
  list-style: none;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-features li {
  font-size: 1rem;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.hero-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-family: var(--mono);
}

.hero-device {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: 100%;
  max-width: 340px;
  border-radius: 36px;
  background: var(--surface-1);
  padding: 8px;
  box-shadow:
    0 0 0 1px var(--border),
    0 40px 80px rgba(0,0,0,0.6),
    0 0 60px var(--blue-glow);
}

.phone-frame img {
  border-radius: 30px;
  width: 100%;
}

/* ── Feature strip ─────────────────────────────────────────────── */
.feature-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0 24px;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 28px;
}

.feature-icon {
  color: var(--blue);
  font-size: 1rem;
}

.feature-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.feature-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

/* ── Section shared ────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-body {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Workflows ─────────────────────────────────────────────────── */
.workflows {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 24px;
}

.workflow-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 96px;
}

.workflow-row:last-child { margin-bottom: 0; }

.workflow-row--flip .workflow-screens { order: 2; }
.workflow-row--flip .workflow-copy { order: 1; }

.workflow-screens {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  justify-content: center;
}

.workflow-phone {
  width: 180px;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 48px rgba(0,0,0,0.5);
  flex-shrink: 0;
}

.workflow-phone--offset {
  transform: translateY(-28px);
}

.section-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: -8px;
}

.workflow-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin-bottom: 14px;
}

.workflow-copy h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.018em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.workflow-copy p {
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 0.97rem;
}

/* ── Technical section ─────────────────────────────────────────── */
.technical-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 24px;
}

.technical-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.technical-points {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.tech-point {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
}

.tech-number {
  color: var(--blue);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding-top: 5px;
}

.tech-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.tech-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.technical-screenshot {
  position: sticky;
  top: 72px;
}

.tui-shot {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 24px 56px rgba(0,0,0,0.55);
}

.tui-caption {
  margin-top: 12px;
  color: var(--text-dim);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-align: center;
}

@media (max-width: 800px) {
  .technical-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .technical-screenshot { position: static; }
}

/* ── iPad section ──────────────────────────────────────────────── */
.ipad-section {
  background: var(--surface-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
  overflow: hidden;
}

.ipad-section .section-header {
  max-width: 1100px;
  margin: 0 auto 48px;
}

.ipad-stacked {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.ipad-shot-full {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 24px 56px rgba(0,0,0,0.55);
}

.ipad-figure {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.ipad-shot-wide {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 24px 56px rgba(0,0,0,0.55);
}

.ipad-caption {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

/* ── Beta section ──────────────────────────────────────────────── */
.beta-section {
  padding: 100px 24px;
  background: var(--bg);
}

.beta-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.beta-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  margin-top: 12px;
}

.beta-copy > p {
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 0.97rem;
  margin-bottom: 28px;
}

.beta-note {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.beta-note .mono {
  color: var(--blue);
  display: block;
  margin-bottom: 6px;
}

/* ── Form ──────────────────────────────────────────────────────── */
.beta-form-wrap {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.beta-form { display: flex; flex-direction: column; gap: 28px; }

.field-group { display: flex; flex-direction: column; gap: 8px; }

.field-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: -2px;
  margin-bottom: 4px;
}

.field-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  -moz-appearance: textfield;
}
.field-input::-webkit-outer-spin-button,
.field-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.field-input::placeholder { color: var(--text-dim); }
.field-input:focus {
  border-color: var(--blue-dim);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.field-input.error { border-color: var(--orange-dim); }

/* Camera checkbox grid */
.camera-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 6px;
}

.camera-check {
  display: none;
}

.camera-label {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  user-select: none;
}

.camera-label::before {
  content: '';
  width: 12px;
  height: 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}

.camera-check:checked + .camera-label {
  border-color: var(--blue-dim);
  background: var(--blue-glow);
  color: var(--blue);
}

.camera-check:checked + .camera-label::before {
  background: var(--blue);
  border-color: var(--blue);
}

/* CAPTCHA */
.captcha-challenge {
  display: flex;
  gap: 12px;
  align-items: center;
}

.captcha-prompt {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  white-space: nowrap;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.captcha-input {
  width: 100px;
}

/* Error & submit */
.form-error {
  font-size: 0.82rem;
  color: var(--orange);
  min-height: 1em;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 0.75rem;
  padding: 14px;
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ── Success state ─────────────────────────────────────────────── */
.beta-success {
  grid-column: 2;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
}

.success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-glow);
  border: 1px solid var(--blue-dim);
  color: var(--blue);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.beta-success h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.beta-success p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ── Inner pages (contact, privacy, returns) ───────────────────── */
.page-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.page-inner {
  max-width: 680px;
}

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  margin-top: 16px;
}

.page-meta {
  color: var(--text-dim);
  margin-bottom: 48px;
}

.page-body {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 40px;
}

.policy-body {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.policy-body h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.policy-body p,
.policy-body li {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.policy-body ol,
.policy-body ul {
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.policy-body a { color: var(--blue); }

.contact-form-wrap {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 520px;
}

.field-textarea {
  resize: vertical;
  min-height: 140px;
  font-family: var(--sans);
  line-height: 1.6;
}

/* ── Footer ────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 20px 40px;
  }
  .hero-device { display: flex; justify-content: center; }
  .phone-frame { max-width: 260px; width: 100%; }

  .workflow-row,
  .workflow-row--flip {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .workflow-row--flip .workflow-screens { order: 0; }
  .workflow-row--flip .workflow-copy { order: 0; }

  .workflow-screens { justify-content: center; flex-wrap: wrap; overflow-x: visible; }
  .workflow-phone { width: clamp(120px, 40vw, 180px); }
  .workflow-phone--offset { transform: none; }

  .beta-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .beta-success { grid-column: 1; }

  .feature-strip { gap: 0; }
  .feature-item { padding: 16px 16px; }
  .feature-divider { display: none; }

  .ipad-scroll { padding-left: 20px; }
}

@media (max-width: 500px) {
  .camera-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .captcha-challenge { flex-direction: column; align-items: flex-start; }
  .captcha-input { width: 100%; }
}