/* ==========================================================================
   Lock Check Cloud — marketing landing page
   ========================================================================== */

:root {
  --primary: #007AFF;
  --primary-light: #4DA3FF;
  --primary-tint: #CFE6FF;
  --ink: #1A1A1A;
  --body: #444444;
  --body-muted: #555555;
  --label: #666666;
  --muted: #AAAAAA;
  --border: #E5E7EB;
  --border-strong: #D6DBE2;
  --border-hairline: #EDF0F3;
  --surface: #F5F7FA;
  --page: #F0F2F5;
  --white: #FFFFFF;
  --error: #B00020;
  --font: 'Sora', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  font-family: var(--font);
  color: var(--ink);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
input, select, button { font: inherit; }

img { max-width: 100%; display: block; }

/* visible keyboard focus everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

[id] { scroll-margin-top: 76px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 12px 18px;
  z-index: 100;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ---- page shell ---- */
.page {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--border);
}

/* ---- header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 5;
}

.lockup { display: flex; align-items: center; gap: 10px; }
.lockup img { width: 30px; height: 30px; flex: none; }
.lockup-text { display: flex; flex-direction: column; gap: 3px; }
.lockup-name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.lockup-name .accent { color: var(--primary); }
.lockup-tagline {
  font-weight: 400;
  font-size: 8.5px;
  letter-spacing: 2.4px;
  color: var(--label);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}
.site-nav .nav-link { display: inline; }
.nav-cta {
  background: var(--ink);
  color: var(--white);
  padding: 9px 16px;
  font-weight: 600;
  transition: background-color 120ms ease;
}
.nav-cta:hover { background: var(--primary); text-decoration: none; }

.nav-toggle {
  display: none;
  border: 1px solid var(--border-strong);
  background: var(--white);
  padding: 8px 10px;
  cursor: pointer;
}

/* ---- hero ---- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  border-bottom: 1px solid var(--border);
}
.hero-copy {
  padding: 64px 40px 56px;
  border-right: 1px solid var(--border);
}
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  padding: 6px 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow-pill .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex: none;
}
.hero h1 {
  font-weight: 800;
  font-size: 66px;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 22px 0 0;
  text-wrap: balance;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.5;
  color: var(--body);
  margin: 20px 0 0;
  max-width: 30em;
  text-wrap: pretty;
}
.proof-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  list-style: none;
  padding: 0;
}
.proof-chips li {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 7px 10px;
}

/* ---- waitlist form ---- */
.waitlist-cell {
  padding: 56px 40px;
  background: var(--surface);
}
.form-eyebrow {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--label);
}
.waitlist-form h2 {
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 22px;
}
.field-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field span.field-label {
  font-size: 13px;
  font-weight: 600;
}
.field input,
.field select {
  border: 1px solid var(--border-strong);
  background: var(--white);
  padding: 12px 13px;
  font-size: 15px;
  outline: none;
}
.field input:focus,
.field select:focus {
  border-color: var(--primary);
}
.field-error {
  font-size: 12px;
  color: var(--error);
  display: none;
}
.field.has-error input,
.field.has-error select { border-color: var(--error); }
.field.has-error .field-error { display: block; }

.hp-field { position: absolute; left: -9999px; top: -9999px; }

.submit-btn {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 15px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  margin-top: 4px;
  transition: background-color 120ms ease;
  width: 100%;
}
.submit-btn:hover { background: var(--ink); }
.submit-btn:disabled { cursor: progress; opacity: 0.85; }

.fine-print {
  font-size: 12px;
  line-height: 1.5;
  color: var(--label);
  margin: 2px 0 0;
}

.form-error-banner {
  display: none;
  border: 1px solid var(--error);
  background: #FBEAEC;
  color: var(--error);
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 14px;
}
.form-error-banner.visible { display: block; }

.success-card {
  border: 1px solid var(--primary);
  background: var(--white);
  padding: 28px;
}
.success-card .form-eyebrow { color: var(--primary-light); }
.success-card h2 {
  font-weight: 700;
  font-size: 24px;
  line-height: 1.15;
  margin: 10px 0 8px;
}
.success-card p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--body);
  margin: 0;
}

/* ---- generic section frame ---- */
.section {
  padding: 64px 40px;
  border-bottom: 1px solid var(--border);
}
.section.alt { background: var(--surface); }
.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--label);
}
.section h2 {
  font-weight: 700;
  font-size: 38px;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 12px 0 40px;
}
.section h2.narrow { max-width: 24em; }

/* ---- 01 problem ---- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.problem-card {
  background: var(--white);
  padding: 26px 22px 30px;
}
.problem-card .num {
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.1em;
}
.problem-card h3 {
  font-weight: 700;
  font-size: 19px;
  line-height: 1.2;
  margin: 14px 0 10px;
}
.problem-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-muted);
  margin: 0;
  text-wrap: pretty;
}

/* ---- 02 comparison ---- */
.compare-table {
  border: 1px solid var(--border-strong);
  background: var(--white);
}
.compare-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
}
.compare-head {
  border-bottom: 1px solid var(--border-strong);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--label);
}
.compare-head > div,
.compare-body-row > div { padding: 14px 20px; }
.compare-head > div:nth-child(n+2),
.compare-body-row > div:nth-child(n+2) {
  border-left: 1px solid var(--border-hairline);
}
.compare-head > div:nth-child(n+2) { border-left-color: var(--border-strong); }
.compare-head .lcc-col {
  background: var(--ink);
  color: var(--white);
}
.compare-body-row {
  border-top: 1px solid var(--border-hairline);
  font-size: 14.5px;
  line-height: 1.5;
}
.compare-body-row > div { padding: 16px 20px; }
.compare-body-row .label-col { font-weight: 600; }
.compare-body-row .old-col { color: var(--muted); }
.compare-body-row .new-col { font-weight: 500; }

/* ---- 03 how it works ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.step {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}
.step .step-num {
  font-weight: 800;
  font-size: 34px;
  letter-spacing: -0.03em;
  color: var(--primary);
}
.step h3 {
  font-weight: 700;
  font-size: 18px;
  line-height: 1.2;
  margin: 10px 0 9px;
}
.step p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-muted);
  margin: 0;
  text-wrap: pretty;
}

/* ---- 04 product screenshot ---- */
.product-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.product-head .lede {
  font-size: 15px;
  line-height: 1.55;
  color: var(--body-muted);
  margin: 0;
  max-width: 26em;
}
.screenshot-frame {
  margin-top: 34px;
  border: 1px solid var(--border-strong);
  background: var(--white);
}
.screenshot-caption {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 14px 0 0;
}

/* ---- 05 california ---- */
.california {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.california-copy {
  padding: 64px 40px;
  background: var(--ink);
  color: var(--white);
}
.california-copy .section-eyebrow { color: var(--primary-light); }
.california-copy h2 {
  font-weight: 700;
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 12px 0 18px;
}
.california-copy p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 14px;
  text-wrap: pretty;
}
.california-copy p:last-of-type { margin-bottom: 0; }
.california-disclaimer {
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
  margin: 24px 0 0;
}
.record-fields {
  padding: 64px 40px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
}
.record-field {
  background: var(--white);
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 4px;
}
.record-field .key {
  font-size: 11px;
  color: var(--primary);
  min-width: 26px;
}
.record-field .val { font-size: 15px; line-height: 1.4; }

/* ---- 06 pricing ---- */
.pricing-sub {
  font-size: 17px;
  color: var(--body-muted);
  margin: 0 0 34px;
}
.pricing-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--ink);
  background: var(--white);
}
.pricing-left { padding: 36px 36px 40px; }
.pricing-badge {
  display: inline-block;
  background: var(--ink);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 10px;
}
.price-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin: 26px 0 4px;
}
.price-row .amount {
  font-weight: 800;
  font-size: 64px;
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.price-row .unit {
  font-size: 15px;
  color: var(--label);
  padding-bottom: 8px;
}
.pricing-terms {
  font-size: 15px;
  line-height: 1.55;
  color: var(--body-muted);
  margin: 14px 0 0;
}
.pricing-cta {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 14px 22px;
  font-weight: 600;
  margin-top: 26px;
  transition: background-color 120ms ease;
}
.pricing-cta:hover { background: var(--ink); text-decoration: none; }
.pricing-right {
  padding: 36px;
  border-left: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-row {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.45;
}
.feature-row .bullet {
  width: 7px;
  height: 7px;
  background: var(--primary);
  margin-top: 7px;
  flex: none;
}

/* ---- 07 faq ---- */
.faq-list {
  border-top: 1px solid var(--border);
  max-width: 56em;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: none;
  border: none;
  padding: 20px 2px;
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
}
.faq-trigger .sign {
  font-size: 18px;
  color: var(--primary);
  flex: none;
}
.faq-answer {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--body-muted);
  margin: 0 0 22px;
  max-width: 46em;
  text-wrap: pretty;
  display: none;
}
.faq-item.open .faq-answer { display: block; }

/* ---- closing cta ---- */
.closing-cta {
  position: relative;
  padding: 112px 40px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  /* Plain-JPEG fallback for browsers without image-set() support */
  background-image:
    linear-gradient(90deg, rgba(0,55,120,0.92) 0%, rgba(0,55,120,0.72) 55%, rgba(0,55,120,0.35) 100%),
    url('assets/facility-corridor-2000.jpg');
  /* AVIF/WebP with JPEG fallback via image-set(), per the asset-optimization spec */
  background-image:
    linear-gradient(90deg, rgba(0,55,120,0.92) 0%, rgba(0,55,120,0.72) 55%, rgba(0,55,120,0.35) 100%),
    image-set(
      url('assets/facility-corridor-2000.avif') type('image/avif'),
      url('assets/facility-corridor-2000.webp') type('image/webp'),
      url('assets/facility-corridor-2000.jpg') type('image/jpeg')
    );
  background-size: cover;
  background-position: center 55%;
}
.closing-cta-copy { max-width: 34em; }
.closing-cta h2 {
  font-weight: 800;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.closing-cta p {
  font-size: 17px;
  line-height: 1.55;
  margin: 0;
  color: var(--primary-tint);
}
.closing-cta-btn {
  background: var(--ink);
  color: var(--white);
  padding: 18px 30px;
  font-weight: 700;
  font-size: 17px;
  transition: background-color 120ms ease, color 120ms ease;
  flex: none;
}
.closing-cta-btn:hover {
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
}

/* ---- footer ---- */
.site-footer {
  padding: 28px 40px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--label);
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---- simple legal pages ---- */
.legal-main {
  padding: 64px 40px;
  max-width: 46em;
}
.legal-main h1 {
  font-weight: 800;
  font-size: 40px;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.legal-updated {
  font-size: 13px;
  color: var(--label);
  margin: 0 0 40px;
}
.legal-main h2 {
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.015em;
  margin: 36px 0 12px;
}
.legal-main p,
.legal-main li {
  font-size: 15px;
  line-height: 1.65;
  color: var(--body-muted);
}
.legal-main ul { padding-left: 20px; }
.legal-note {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  padding: 16px 18px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--label);
  margin: 0 0 32px;
}

/* ---- 404 ---- */
.error-main {
  padding: 120px 40px;
  text-align: center;
}
.error-main .code {
  font-weight: 800;
  font-size: 88px;
  letter-spacing: -0.04em;
  color: var(--primary);
  margin: 0;
}
.error-main h1 {
  font-weight: 700;
  font-size: 28px;
  margin: 12px 0 16px;
}
.error-main p {
  font-size: 16px;
  color: var(--body-muted);
  margin: 0 0 28px;
}
.error-main a.pricing-cta { background: var(--primary); }

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

@media screen and (max-width: 1199px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { border-right: none; border-bottom: 1px solid var(--border); }
  .california { grid-template-columns: 1fr; }
  .california-copy { border-bottom: 1px solid var(--border); }
  .pricing-card { grid-template-columns: 1fr; }
  .pricing-right { border-left: none; border-top: 1px solid var(--ink); }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 48px; }
  .section h2 { font-size: 32px; }
  .california-copy h2 { font-size: 30px; }
  .closing-cta h2 { font-size: 36px; }
  .site-header,
  .hero-copy,
  .waitlist-cell,
  .section,
  .california-copy,
  .record-fields { padding-left: 28px; padding-right: 28px; }
  .closing-cta { padding: 88px 28px; }
}

@media screen and (max-width: 767px) {
  .hero h1 { font-size: 38px; }
  .section h2 { font-size: 28px; }
  .price-row .amount { font-size: 48px; }
  .problem-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .site-header,
  .hero-copy,
  .waitlist-cell,
  .section,
  .california-copy,
  .record-fields,
  .site-footer { padding-left: 20px; padding-right: 20px; }
  .section { padding-top: 40px; padding-bottom: 40px; }
  .closing-cta { padding: 64px 20px; }

  .site-nav .nav-link { display: none; }
  .site-nav { gap: 12px; }

  .compare-table { border: none; background: transparent; }
  .compare-head { display: none; }
  .compare-row { display: block; border: 1px solid var(--border-strong); background: var(--white); margin-bottom: 12px; }
  .compare-body-row { border-top: none; }
  .compare-body-row > div {
    display: block;
    padding: 10px 16px;
    border-left: none !important;
  }
  .compare-body-row .label-col { border-bottom: 1px solid var(--border-hairline); font-weight: 700; }
  .compare-body-row .old-col::before { content: "Clipboard: "; color: var(--label); font-weight: 600; }
  .compare-body-row .new-col::before { content: "Lock Check Cloud: "; color: var(--label); font-weight: 600; }
}