/* stimulus — web styles
   Distilled from the app design tokens.
   Palette: #151311 (ink) / #4B262F (oxblood) / #FFFFFF (white)
*/

:root {
  --bg: #FFFFFF;
  --bg-2: #FAFAF8;
  --bg-3: #F2F0EC;
  --ink: #151311;
  --ink-2: rgba(21, 19, 17, 0.62);
  --ink-3: rgba(21, 19, 17, 0.38);
  --hairline: rgba(21, 19, 17, 0.14);
  --hairline-strong: rgba(21, 19, 17, 0.28);
  --accent: #4B262F;
  --accent-ink: #FFFFFF;

  --f-serif: 'EB Garamond', 'GT Sectra', Georgia, serif;
  --f-sans: 'Figtree', -apple-system, system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, Menlo, monospace;

  --measure: 640px;
  --gutter: clamp(20px, 4vw, 40px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11', 'tnum';
}

body {
  background:
    radial-gradient(ellipse 70% 50% at 85% 0%, rgba(75, 38, 47, 0.06), transparent 60%),
    radial-gradient(ellipse 90% 70% at 0% 100%, rgba(75, 38, 47, 0.04), transparent 55%),
    linear-gradient(180deg, #FFFFFF 0%, #FAFAF8 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 180ms;
}
a:hover { opacity: 0.7; }

/* Subtle paper grain on the page */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(21,19,17,0.012) 0,
    rgba(21,19,17,0.012) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* Header */
.site-header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px var(--gutter);
  border-bottom: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
}

/* Editorial metadata strip in the header (right side) */
.masthead-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.masthead-meta span {
  position: relative;
}
.masthead-meta span + span::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 2px;
  background: var(--ink-3);
  border-radius: 50%;
}
.masthead-meta .live::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: middle;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@media (max-width: 640px) {
  .masthead-meta { gap: 10px; font-size: 9px; }
  .masthead-meta .hide-narrow { display: none; }
}

.wordmark {
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  border: 0;
}
.wordmark em {
  font-style: italic;
  color: var(--ink-2);
}

.meta {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--ink-2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Layout */
main {
  position: relative;
  z-index: 2;
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) var(--gutter) 96px;
}

.overline {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 16px;
}

h1 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}
h1 em {
  font-style: italic;
  color: var(--ink-2);
}

.lede {
  font-family: var(--f-serif);
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.4;
  color: var(--ink-2);
  margin: 0 0 56px;
  max-width: 56ch;
}

.policy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 56px;
}
.policy-meta span strong {
  color: var(--ink);
  font-weight: 500;
  margin-left: 8px;
}

/* TOC */
.toc {
  margin: 0 0 72px;
  padding: 0;
}
.toc-label {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 16px;
}
.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
  display: grid;
  gap: 4px;
}
.toc li {
  counter-increment: toc;
  font-size: 15px;
}
.toc li a {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 6px 0;
  color: var(--ink);
  border: 0;
  border-bottom: 1px solid transparent;
}
.toc li a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  flex: 0 0 auto;
}
.toc li a:hover { border-bottom-color: var(--hairline-strong); opacity: 1; }

/* Sections */
section {
  margin-bottom: 56px;
  scroll-margin-top: 32px;
}

h2 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}

.section-num {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}

p {
  margin: 0 0 16px;
  color: var(--ink);
}
p:last-child { margin-bottom: 0; }

ul, ol {
  margin: 0 0 16px;
  padding-left: 22px;
}
li { margin-bottom: 8px; }
li::marker { color: var(--ink-3); }

strong {
  font-weight: 600;
  color: var(--ink);
}

/* Subprocessor table */
.subprocessors {
  border-top: 1px solid var(--hairline);
  margin-top: 16px;
}
.subprocessors > div {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
  align-items: baseline;
}
.subprocessors strong {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.subprocessors span {
  color: var(--ink-2);
  font-size: 15px;
}

/* Callout for the SMS / CTIA clause */
.callout {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--ink);
  font-style: italic;
  font-family: var(--f-serif);
  font-size: 19px;
  line-height: 1.5;
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--hairline);
  padding: 28px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer .meta { color: var(--ink-3); }
.site-footer a { color: var(--ink-2); border: 0; }
.site-footer a:hover { color: var(--ink); opacity: 1; }

.colophon {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}
.colophon .dot {
  width: 2px; height: 2px; border-radius: 50%;
  background: var(--ink-3);
  display: inline-block;
}

/* ===========================================================
   Home page — editorial split composition
   =========================================================== */

.home {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(56px, 9vw, 120px) var(--gutter) clamp(80px, 12vw, 160px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

@media (max-width: 880px) {
  .home {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}

.home-pitch {
  display: flex;
  flex-direction: column;
  gap: 28px;
  animation: rise 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.home-pitch .overline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.home-pitch .overline::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--ink-3);
}

.home-pitch h1 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(48px, 7.4vw, 88px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
}
.home-pitch h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.home-pitch .lede {
  font-family: var(--f-serif);
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.45;
  color: var(--ink-2);
  margin: 0;
  max-width: 36ch;
  font-weight: 400;
}

.home-pitch .arrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  border: 0;
  padding: 14px 0;
  align-self: flex-start;
  position: relative;
  margin-top: 8px;
}
.home-pitch .arrow::before {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  transform-origin: left;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}
.home-pitch .arrow:hover {
  color: var(--accent);
  opacity: 1;
}
.home-pitch .arrow:hover::before {
  background: var(--accent);
  transform: scaleX(1.2);
}

/* Opt-in block — A2P 10DLC compliance surface */
.optin {
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 2px;
  max-width: var(--measure);
}
.optin-label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 10px;
}
.optin-instruction {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
}
.optin-number {
  font-family: var(--f-mono);
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
}
.optin-fineprint {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
}
.optin-sample {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-2);
}
.optin-sample-label {
  display: block;
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}

/* Conviction tags below the CTA */
.home-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 20px;
}
.home-tags span {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 10px;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.5);
}

/* iOS Note — the actual delivery surface, rendered as Apple Notes */
.ios-note {
  position: relative;
  background: #FCFCFA;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  font-family: -apple-system, 'SF Pro Text', 'Figtree', system-ui, sans-serif;
  color: #1C1C1E;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 32px 80px -36px rgba(21, 19, 17, 0.22),
    0 4px 16px -6px rgba(21, 19, 17, 0.08);
  animation: rise 800ms 120ms cubic-bezier(0.16, 1, 0.3, 1) both;
  overflow: hidden;
  font-feature-settings: normal;
  letter-spacing: -0.01em;
}

/* Top toolbar — subtle iOS chrome */
.ios-note-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(60, 60, 67, 0.12);
  background: rgba(248, 248, 248, 0.85);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}
.ios-note-toolbar .back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: #B85B68;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.ios-note-toolbar .back svg { display: block; }
.ios-note-toolbar .actions {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: #B85B68;
}
.ios-note-toolbar .actions svg { display: block; }

/* Note body — the actual content area */
.ios-note-body {
  position: relative;
  padding: 22px 22px 28px;
}

/* Subtle horizontal ruled-paper effect */
.ios-note-body::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    180deg,
    transparent 0,
    transparent 27px,
    rgba(60, 60, 67, 0.06) 27px,
    rgba(60, 60, 67, 0.06) 28px
  );
  background-position: 0 38px;
}

.ios-note-body > * {
  position: relative;
  z-index: 1;
}

.ios-note-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.27;
  letter-spacing: -0.02em;
  color: #1C1C1E;
  margin: 0 0 6px;
}

.ios-note-date {
  font-size: 12px;
  color: rgba(60, 60, 67, 0.6);
  letter-spacing: 0;
  margin: 0 0 18px;
  font-weight: 400;
}

.ios-note-prose {
  font-size: 16px;
  line-height: 1.55;
  color: #1C1C1E;
  margin: 0 0 18px;
  font-weight: 400;
}

.ios-note-template {
  display: grid;
  gap: 0;
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, monospace;
  font-size: 13px;
  line-height: 28px;
  font-feature-settings: 'tnum';
  color: #1C1C1E;
  margin: 0;
}
.ios-note-template div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.ios-note-template .blanks {
  color: rgba(60, 60, 67, 0.5);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}