/* Sightline — shared styles
   Design tokens sourced from design-layouts/design_handoff_sightline_website */

:root {
  --bg: #17151f;
  --bg2: #1c1a25;
  --surface: #222030;
  --surface2: #2b283a;
  --border: #3c3950;
  --accent: #8b6bf0;
  --accent-strong: #a488f5;
  --text: #f0eef5;
  --text-dim: #a19dad;
  --text-mute: #726f7f;
  --green: #4fc98a;
  --red: #e0543a;
  --amber: #d9a94a;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  color: #c3aef8;
}

::selection {
  background: rgba(139, 107, 240, 0.35);
}

img {
  max-width: 100%;
}

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--accent);
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.header-nav a {
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 500;
}

.header-nav a:hover {
  color: var(--text);
}

.badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

/* Buttons */

.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  text-align: center;
}

.btn-solid {
  background: var(--accent);
  color: var(--bg);
}

.btn-solid:hover {
  background: var(--accent-strong);
  color: var(--bg);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent-strong);
  color: var(--text);
}

/* Hero */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 48px 80px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  max-width: 760px;
}

.hero p.subhead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0 0 40px;
  max-width: 560px;
}

/* Signup form */

.signup-card {
  width: 100%;
  max-width: 460px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.55);
}

.signup-card h2 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.signup-card .signup-card-sub {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0 0 24px;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-field {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.form-field-narrow {
  flex: 0 0 128px;
}

.signup-form label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.signup-form input {
  padding: 13px 14px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.signup-form input::placeholder {
  color: var(--text-mute);
}

.signup-form input:hover {
  border-color: #4a465e;
}

.signup-form input:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(139, 107, 240, 0.22);
}

/* Browsers force a light autofill background (ignoring our own styles)
   on fields with recognized autocomplete values like name/company once
   they have saved data — this neutralizes it so autofilled fields match
   the rest of the form instead of flashing white. */
.signup-form input:-webkit-autofill,
.signup-form input:-webkit-autofill:hover,
.signup-form input:-webkit-autofill:focus,
.signup-form input:-webkit-autofill:active {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px var(--bg2) inset;
  box-shadow: 0 0 0 1000px var(--bg2) inset;
  caret-color: var(--text);
  transition: background-color 9999s ease-in-out 0s;
}

.signup-form input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--bg2) inset, 0 0 0 3px rgba(139, 107, 240, 0.22);
  box-shadow: 0 0 0 1000px var(--bg2) inset, 0 0 0 3px rgba(139, 107, 240, 0.22);
}

.signup-form input:autofill {
  color: var(--text);
  background: var(--bg2);
}

/* Hide number spinner UI for a cleaner, on-brand look; the field stays
   type="number" for mobile numeric keyboards and native validation. */
.signup-form input[type="number"]::-webkit-inner-spin-button,
.signup-form input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.signup-form input[type="number"] {
  -moz-appearance: textfield;
}

.signup-form button {
  margin-top: 6px;
  width: 100%;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

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

.signup-form button:active {
  transform: translateY(0);
}

.signup-form button:disabled {
  opacity: 0.7;
  cursor: default;
  transform: none;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 16px;
}

.form-status {
  font-size: 14px;
  margin-top: 16px;
  min-height: 20px;
}

.form-status.success {
  color: var(--green);
}

.form-status.error {
  color: var(--red);
}

/* Placeholder graphic */

.placeholder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: repeating-linear-gradient(135deg, var(--surface2) 0px, var(--surface2) 2px, transparent 2px, transparent 14px);
}

.placeholder-card span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mute);
  text-align: center;
  padding: 20px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
}

/* How it works / feature strip on coming-soon page */

.strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  padding: 72px 48px;
}

.strip-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  text-align: center;
}

.strip-item .step-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-mute);
  margin-bottom: 12px;
}

.strip-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
}

.strip-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0;
}

/* Footer */

.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 64px 48px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-mute);
  max-width: 280px;
  line-height: 1.6;
  margin: 0;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-dim);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-mute);
}

/* Legal document pages */

.legal-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 48px 96px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.legal-toc a {
  font-size: 14px;
  color: var(--text-dim);
  padding: 6px 0;
}

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

.legal-content .eyebrow {
  text-align: left;
  margin-bottom: 16px;
}

.legal-content h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.legal-updated {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 48px;
}

.legal-sections {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.legal-sections h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 14px;
}

.legal-sections p {
  margin: 0 0 12px;
}

.legal-sections ul {
  margin: 0 0 12px;
  padding-left: 20px;
}

.legal-sections li {
  margin-bottom: 6px;
}

.legal-contact {
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

/* Responsive */

@media (max-width: 900px) {
  .site-header {
    padding: 16px 24px;
  }

  .hero {
    padding: 64px 24px 56px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p.subhead {
    font-size: 17px;
  }

  .strip {
    padding: 56px 24px;
  }

  .signup-card {
    padding: 24px;
    border-radius: 16px;
  }

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

  .legal-layout {
    grid-template-columns: 1fr;
    padding: 40px 24px 64px;
  }

  .legal-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
  }

  .toc-label {
    width: 100%;
  }

  .legal-content h1 {
    font-size: 30px;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
    gap: 16px;
  }

  .form-field-narrow {
    flex: 1 1 0;
  }
}