:root {
  --color-bg: #0D0F12;
  --color-bg-2: #1B1D20;
  --color-card: #1B1D20;
  --color-ink: #F7F5F2;
  --color-muted: #a89e88;
  --color-coral: #C94F2A;
  --color-green: #4A9E6B;
  --font-display: Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1120px
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* Navigation */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  transition: background-color 250ms ease;
}

header nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-24);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header nav img {
  height: 32px;
  width: auto;
}

header.scrolled {
  background-color: var(--color-bg);
  border-bottom: 1px solid rgba(247,245,242,0.08);
}

.nav-cta {
  color: var(--color-coral);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: opacity 150ms ease;
}

.nav-cta:hover {
  opacity: 0.75;
}

/* Hero */

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 96px;
  padding-bottom: var(--space-80);
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-coral);
  margin-bottom: var(--space-24);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: var(--space-32);
}

.hero-sub {
  font-family: var(--font-body);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-muted);
  max-width: 540px;
  margin: 0 auto var(--space-40);
}

.hero-cta-group {
  margin-bottom: var(--space-24);
}

.btn-primary {
  display: inline-block;
  background: var(--color-coral);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: opacity 150ms ease;
}

.btn-primary:hover {
  opacity: 0.88;
}

.hero-proof {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-muted);
  opacity: 0.7;
  letter-spacing: 0.01em;
}

/* Problem + Premise — shared layout */

.problem,
.premise {
  padding: var(--space-80) var(--space-24);
}

.section-inner {
  max-width: 680px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-coral);
  margin-bottom: var(--space-32);
}

/* Problem section */

.problem {
  border-top: 1px solid rgba(247,245,242,0.06);
}

.problem-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.problem-body p {
  font-family: var(--font-body);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-muted);
}

.problem-body p:first-child {
  color: var(--color-ink);
  font-size: clamp(19px, 2.2vw, 22px);
}

/* Premise section */

.premise {
  background-color: var(--color-bg-2);
  border-top: 1px solid rgba(247,245,242,0.06);
  border-bottom: 1px solid rgba(247,245,242,0.06);
}

.premise-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: var(--space-48);
  max-width: 600px;
}

.premise-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.premise-block p {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-muted);
}

.premise-divider {
  width: 40px;
  height: 2px;
  background-color: var(--color-coral);
  margin: var(--space-8) 0;
}

.premise-closing {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 500;
  line-height: 1.65;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}

/* Product moment section */

.product-moment {
  padding: var(--space-80) var(--space-24);
  border-top: 1px solid rgba(247,245,242,0.06);
}

.product-moment-inner {
  max-width: 680px;
}

.product-moment-lead {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 400;
  color: var(--color-muted);
  margin-bottom: var(--space-40);
  line-height: 1.65;
}

.product-card {
  background-color: var(--color-card);
  border: 1px solid rgba(247,245,242,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  margin-bottom: var(--space-32);
}


.product-entry-meta {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.product-entry-date {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.product-entry-tags {
  display: flex;
  gap: var(--space-8);
}

.entry-tag {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  background: rgba(247,245,242,0.06);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
}

.product-entry-text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: var(--space-24);
}

.product-entry-stats {
  display: flex;
  gap: var(--space-32);
}

.product-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.product-stat-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.product-stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.product-moment-caption {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
  opacity: 0.7;
  text-align: center;
  letter-spacing: 0.01em;
}

/* Three truths section */

.three-truths {
  padding: var(--space-80) var(--space-24);
  background-color: var(--color-bg-2);
  border-top: 1px solid rgba(247,245,242,0.06);
  border-bottom: 1px solid rgba(247,245,242,0.06);
}

.truth-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.truth-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-24);
  padding: var(--space-32) 0;
  border-bottom: 1px solid rgba(247,245,242,0.06);
}

.truth-item:last-child {
  border-bottom: none;
}

.truth-marker {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-coral);
  flex-shrink: 0;
  margin-top: 8px;
}

.truth-text {
  font-family: var(--font-body);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-ink);
}

/* Waitlist section */

.waitlist {
  padding: var(--space-80) var(--space-24);
  border-top: 1px solid rgba(247,245,242,0.06);
}

.waitlist-inner {
  max-width: 560px;
}

.waitlist-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: var(--space-20);
}

.waitlist-sub {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: var(--space-48);
}

.waitlist-form-wrap {
  position: relative;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.form-label-optional {
  font-size: 11px;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.form-input {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-ink);
  background-color: var(--color-card);
  border: 1px solid rgba(247,245,242,0.12);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  width: 100%;
  outline: none;
  transition: border-color 150ms ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder {
  color: var(--color-muted);
  opacity: 0.6;
}

.form-input:focus {
  border-color: var(--color-coral);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a89e88' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-textarea {
  resize: vertical;
  min-height: 88px;
  line-height: 1.6;
}

.form-actions {
  padding-top: var(--space-8);
}

.form-actions .btn-primary {
  width: 100%;
  text-align: center;
  padding: 16px 32px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  display: block;
}

/* Confirmation state */

.waitlist-confirmation {
  padding: var(--space-48) var(--space-32);
  background-color: var(--color-card);
  border: 1px solid rgba(247,245,242,0.08);
  border-radius: var(--radius-lg);
}

.waitlist-confirmation[hidden] {
  display: none;
}

.confirmation-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.confirmation-marker {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-coral);
}

.confirmation-headline {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.confirmation-sub {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 400px;
}

/* Footer */

.site-footer {
  padding: var(--space-40) var(--space-24);
  border-top: 1px solid rgba(247,245,242,0.06);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
}

.footer-brand img {
  height: 24px;
  width: auto;
  opacity: 0.8;
}

.footer-copy {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-muted);
  opacity: 0.6;
}

/* Product observation */

.product-observation {
  border-top: 1px solid rgba(247,245,242,0.06);
  padding-top: var(--space-24);
  margin-top: var(--space-24);
}

.product-observation-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-coral);
  display: block;
  margin-bottom: var(--space-12);
}

.product-observation-text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-ink);
}

/* Inline CTA */

.inline-cta {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--space-24)
    var(--space-64) var(--space-24);
}

.inline-cta-link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-coral);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: opacity 150ms ease;
}

.inline-cta-link:hover {
  opacity: 0.7;
}

/* Eyebrow wrap — shared by hero and product-moment */

.eyebrow-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.pm-eyebrow-rule {
  width: 28px;
  height: 2px;
  background: var(--color-coral);
  flex-shrink: 0;
}

.hero-eyebrow-rule {
  width: 28px;
  height: 2px;
  background: var(--color-coral);
  flex-shrink: 0;
}

.problem-eyebrow-rule,
.premise-eyebrow-rule,
.waitlist-eyebrow-rule {
  width: 28px;
  height: 2px;
  background: var(--color-coral);
  flex-shrink: 0;
}

.hero-inner .eyebrow-wrap {
  margin-bottom: var(--space-24);
}

/* Hero headline typographic treatments */

.hero-headline-em {
  font-style: italic;
  font-weight: 300;
  color: var(--color-ink);
  opacity: 0.75;
}

.hero-headline-coral {
  color: var(--color-coral);
  font-style: normal;
  font-weight: 400;
}

/* App window */

.app-window {
  background: #111210;
  border: 1px solid rgba(247,245,242,0.1);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 0;
}

.app-titlebar {
  background: #1a1917;
  border-bottom: 1px solid rgba(247,245,242,0.06);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-titlebar-dots {
  display: flex;
  gap: 6px;
}

.app-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(247,245,242,0.08);
  display: inline-block;
}

.app-titlebar-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(247,245,242,0.2);
  letter-spacing: 0.06em;
  margin-left: 4px;
}

.app-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 640px) {
  .app-body {
    grid-template-columns: 1fr;
  }
}

.app-entry-pane {
  padding: 24px;
  border-right: 1px solid rgba(247,245,242,0.06);
  display: flex;
  flex-direction: column;
}

@media (max-width: 640px) {
  .app-entry-pane {
    border-right: none;
    border-bottom: 1px solid rgba(247,245,242,0.06);
  }
}

.app-obs-pane {
  padding: 24px;
  background: #0d0c0b;
  display: flex;
  flex-direction: column;
}

.app-pane-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(247,245,242,0.22);
  margin-bottom: 16px;
  display: block;
}

.app-entry-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.app-entry-input {
  background: rgba(247,245,242,0.03);
  border: 1px solid rgba(247,245,242,0.08);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  flex: 1;
}

.app-entry-text {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-ink);
  margin: 0;
}

.app-entry-charcount {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(247,245,242,0.2);
  text-align: right;
  margin-top: 8px;
  margin-bottom: 0;
}

.app-entry-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(247,245,242,0.06);
}

.app-entry-dots {
  display: flex;
  gap: 4px;
}

.app-edot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.app-edot.on {
  background: var(--color-coral);
}

.app-edot.off {
  background: rgba(247,245,242,0.1);
}

.app-ecount {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(247,245,242,0.22);
  letter-spacing: 0.04em;
}

.app-obs-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.app-obs-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-coral);
  flex-shrink: 0;
  display: inline-block;
}

.app-obs-source {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-coral);
  letter-spacing: 0.04em;
}

.app-obs-divider {
  width: 1px;
  height: 10px;
  background: rgba(201,79,42,0.3);
  display: inline-block;
}

.app-obs-type {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(201,79,42,0.7);
}

.app-obs-headline {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-ink);
  line-height: 1.4;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.app-obs-text {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.85;
  color: rgba(247,245,242,0.65);
  margin: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
}

.app-obs-text.visible {
  opacity: 1;
}

/* App bridge */

.app-bridge {
  padding: 24px 0;
}

.app-bridge-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.app-bridge-line {
  flex: 1;
  height: 1px;
  background: rgba(247,245,242,0.06);
}

.app-bridge-label {
  font-size: 11px;
  font-weight: 500;
  color: rgba(247,245,242,0.18);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.app-stubs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-stub {
  background: #111210;
  border: 1px solid rgba(247,245,242,0.05);
  border-radius: 8px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.45;
}

.app-stub-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(247,245,242,0.3);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.app-stub-line {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: rgba(247,245,242,0.06);
}

.app-stub-line.short {
  max-width: 40%;
}

.app-stub-tag {
  font-size: 10px;
  color: rgba(247,245,242,0.25);
  background: rgba(247,245,242,0.04);
  border-radius: 4px;
  padding: 1px 6px;
  flex-shrink: 0;
}