/* ============================================================
   LME Labs + Heads Up — shared stylesheet
   ============================================================ */

/* Reset + base ---------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
}

/* ============================================================
   Heads Up brand
   ============================================================ */

body.headsup {
  --color-bg: #f8fafc;          /* slate-50 */
  --color-bg-elevated: #ffffff;
  --color-text: #0f172a;        /* slate-900 */
  --color-text-muted: #475569;  /* slate-600 */
  --color-border: #e2e8f0;      /* slate-200 */
  --color-primary: #1e40af;     /* blue-800 */
  --color-primary-hover: #1d4ed8;
  --color-accent: #3b82f6;      /* blue-500 highlight */

  --font-heading: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI",
    Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04),
    0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.05),
    0 10px 24px rgba(15, 23, 42, 0.08);
}

/* ============================================================
   LME Labs brand
   ============================================================ */

body.lme-labs {
  --color-bg: #fafaf7;          /* warm off-white */
  --color-bg-elevated: #ffffff;
  --color-text: #0a0a0a;        /* graphite */
  --color-text-muted: #525252;  /* neutral-600 */
  --color-border: #e5e5e5;      /* neutral-200 */
  --color-primary: #0a0a0a;
  --color-accent: #84cc16;      /* lime — the one accent */

  --font-heading: "Geist Mono", "JetBrains Mono", ui-monospace, "SF Mono", Menlo,
    monospace;
  --font-body: "Geist", "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
    sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* ============================================================
   Layout primitives
   ============================================================ */

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 760px;
}

main {
  display: flex;
  flex-direction: column;
}

section {
  padding: 80px 0;
}

@media (max-width: 640px) {
  section {
    padding: 56px 0;
  }
}

/* ============================================================
   Typography
   ============================================================ */

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.25rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0;
}

.tagline {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(1.125rem, 1vw + 0.85rem, 1.5rem);
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  margin-top: 20px;
  line-height: 1.4;
}

.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 120ms ease, background-color 120ms ease,
    border-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-hover, var(--color-primary));
  filter: brightness(1.05);
}

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

.btn-secondary:hover {
  border-color: var(--color-text);
}

.btn .play-glyph {
  display: inline-block;
  width: 18px;
  height: 18px;
}

/* ============================================================
   Heads Up — hero
   ============================================================ */

.headsup .hero {
  padding-top: 80px;
  padding-bottom: 32px;
}

.headsup .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 64px;
  align-items: center;
}

@media (max-width: 880px) {
  .headsup .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.headsup .brand-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.headsup .brand-bar img {
  height: 40px;
  width: auto;
}

.headsup .hero-copy h1 {
  letter-spacing: -0.035em;
}

.headsup .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.headsup .small-print {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Mobile-shaped video frame (9:16, phone-like) */
.video-frame {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-md), 0 30px 60px -20px rgba(30, 64, 175, 0.25);
  border: 1px solid var(--color-border);
}

.video-frame video,
.video-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-frame::after {
  /* subtle inner ring to feel device-like */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 6px rgba(15, 23, 42, 0.6);
}

/* ============================================================
   Heads Up — how it works
   ============================================================ */

.steps {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

@media (max-width: 720px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.step {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.06em;
}

.step h3 {
  font-size: 1.25rem;
}

.step p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* ============================================================
   Heads Up — privacy callout
   ============================================================ */

.callout {
  text-align: center;
}

.callout-card {
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg-elevated);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
}

.callout-card .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: 10px;
  vertical-align: middle;
}

/* ============================================================
   Heads Up — secondary CTA
   ============================================================ */

.cta-band {
  text-align: center;
  background: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 56px 24px;
  margin: 0 24px;
}

.cta-band h2 {
  color: #ffffff;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 12px;
  margin-bottom: 32px;
}

.cta-band .btn-primary {
  background: #ffffff;
  color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-band .btn-primary:hover {
  background: #ffffff;
  filter: brightness(0.96);
}

/* ============================================================
   Footer (both pages)
   ============================================================ */

footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  margin-top: 24px;
}

footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

footer .footer-credit {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

footer .footer-credit a {
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}

footer .footer-credit a:hover {
  border-bottom-color: var(--color-text);
}

/* ============================================================
   LME Labs root page
   ============================================================ */

.lme-labs .hero {
  padding-top: 120px;
  padding-bottom: 80px;
}

.lme-labs h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem);
  letter-spacing: -0.04em;
  font-weight: 500;
}

.lme-labs .accent-dot {
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--color-accent);
  margin-left: 0.18em;
  vertical-align: 0.05em;
}

.lme-labs .lead {
  font-family: var(--font-body);
  font-size: clamp(1.125rem, 1vw + 0.85rem, 1.375rem);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 56ch;
  margin-top: 28px;
}

.lme-labs .section-label {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.lme-labs .projects {
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
  margin-top: 64px;
}

.lme-labs .project {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.lme-labs .project a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease, color 120ms ease;
}

.lme-labs .project a:hover {
  border-bottom-color: var(--color-text);
}

.lme-labs .project .project-meta {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.lme-labs .contact {
  margin-top: 80px;
}

.lme-labs .contact a {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 2px;
}

.lme-labs footer {
  margin-top: 80px;
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   Legal / long-form pages (privacy policy, terms, etc.)
   ============================================================ */

.legal-page {
  padding: 64px 0 96px;
}

.legal-page .brand-bar {
  margin-bottom: 48px;
}

.legal-page h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  margin-bottom: 8px;
}

.legal-page h2 {
  font-size: clamp(1.375rem, 1.2vw + 0.9rem, 1.75rem);
  margin-top: 56px;
  margin-bottom: 16px;
}

.legal-page h3 {
  font-size: 1.125rem;
  margin-top: 32px;
  margin-bottom: 8px;
}

.legal-page p,
.legal-page dd {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0 0 16px;
}

.legal-page p.meta {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.legal-page a {
  color: var(--color-primary);
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  transition: border-color 120ms ease;
}

.legal-page a:hover {
  border-bottom-color: var(--color-primary);
}

.legal-page ul {
  margin: 0 0 16px;
  padding-left: 1.25rem;
  line-height: 1.65;
}

.legal-page ul li {
  margin-bottom: 8px;
}

.legal-page dl {
  margin: 0 0 16px;
}

.legal-page dt {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 20px;
  margin-bottom: 6px;
  color: var(--color-text);
}

.legal-page dd {
  margin-left: 0;
  padding-left: 16px;
  border-left: 2px solid var(--color-border);
}

.legal-page code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.875em;
  background: var(--color-border);
  color: var(--color-text);
  padding: 1px 6px;
  border-radius: 4px;
}

.legal-page .tldr {
  margin: 32px 0 8px;
  padding: 24px 28px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
}

.legal-page .tldr h2 {
  font-size: 1rem;
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 12px;
}

.legal-page .tldr ul {
  margin: 0;
}

.legal-page .tldr ul li:last-child {
  margin-bottom: 0;
}