/* ==========================================================================
   Labelflow — Marketing Site Styles
   v1.0 · 2026-04-27
   Source of truth: ../Labelflow-Identity-Guide.md and ../Labelflow-Voice.md
   ========================================================================== */

@import url('https://cdn.jsdelivr.net/npm/@fontsource/inter@5.0.0/400.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/inter@5.0.0/500.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/geist@5.0.0/500.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/instrument-serif@5.0.0/400-italic.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/ibm-plex-mono@5.0.0/400.css');

/* ----- Tokens --------------------------------------------------------------- */

:root {
  /* Marketing palette (warm dark world) */
  --aubergine: #14101C;
  --aubergine-soft: #1A1424;
  --cream: #ECE4D6;
  --cream-mute: #C8BFB0;
  --violet: #8E4DC2;
  --violet-light: #B07FE5;
  --acid-green: #C5DC3F;
  --muted-plum: #4A3A5A;
  --cool-gray: #8A8295;

  /* App-side bridge accent (used inside UI evidence panels) */
  --app-violet: #6E4FA0;

  /* Type stack */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-wordmark: 'Geist', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;
  --space-2xl: 96px;

  /* Layout */
  --container-max: 1280px;
  --content-max: 720px;
}

/* ----- Reset --------------------------------------------------------------- */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--aubergine);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: transparent; color: inherit; }

/* ----- Layout helpers ------------------------------------------------------ */

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 6vw; }
.section { padding: clamp(64px, 10vh, 128px) 0; }
.section--narrow { padding: clamp(48px, 7vh, 96px) 0; }

/* ----- Typography ---------------------------------------------------------- */

.wordmark {
  font-family: var(--font-wordmark);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -0.035em;
  color: var(--cream);
  line-height: 1;
}

.phrase {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(44px, 7.2vw, 88px);
  letter-spacing: -0.02em;
  line-height: 1.0;
  color: var(--cream);
}

.phrase--medium { font-size: clamp(32px, 4.8vw, 56px); }
.phrase--small { font-size: clamp(22px, 2.4vw, 30px); }

.heading {
  font-family: var(--font-wordmark);
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 32px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--cream);
}

.body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.55;
  color: var(--cream-mute);
  max-width: var(--content-max);
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cool-gray);
}

.mono--small { font-size: 10px; }
.mono--green { color: var(--acid-green); }
.mono--cream { color: var(--cream); }

/* ----- Top nav ------------------------------------------------------------- */

.nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  padding: 28px 6vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav__link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 13px;
  color: var(--cream-mute);
  transition: color 150ms ease;
}
.nav__link:hover { color: var(--cream); }

/* ----- Hero ---------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100vh;
  padding: 5vh 6vw;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero__top {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  gap: var(--space-md);
  padding-top: 60px; /* space for nav */
}

.hero__bottom { max-width: 720px; }

.hero__phrase {
  margin-bottom: clamp(1.25rem, 2vh, 1.75rem);
  max-width: 92%;
}

.rotor {
  position: relative;
  display: inline-block;
  vertical-align: baseline;
  min-width: clamp(240px, 30vw, 520px);
  height: 1em;
}

.rotor__word {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  animation: rotate-word 25s infinite;
  will-change: opacity;
}

.rotor__word:nth-child(1) { animation-delay: 0s; color: var(--cream); }
.rotor__word:nth-child(2) { animation-delay: 5s; color: var(--violet-light); }
.rotor__word:nth-child(3) { animation-delay: 10s; color: var(--cream); }
.rotor__word:nth-child(4) { animation-delay: 15s; color: var(--acid-green); }
.rotor__word:nth-child(5) { animation-delay: 20s; color: var(--violet-light); }

@keyframes rotate-word {
  0%, 1% { opacity: 0; }
  4% { opacity: 1; }
  18% { opacity: 1; }
  21% { opacity: 0; }
  100% { opacity: 0; }
}

.hero__body { margin-bottom: clamp(1.25rem, 2.5vh, 1.75rem); }

.hero__cta-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* ----- Buttons ------------------------------------------------------------- */

.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 6px;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 150ms ease, border-color 150ms ease, background 150ms ease;
}

.btn--primary {
  background: var(--violet);
  color: var(--cream);
  border: 1px solid var(--violet);
}
.btn--primary:hover { opacity: 0.88; }
.btn--primary:focus-visible { outline: 2px solid var(--violet-light); outline-offset: 2px; }

.btn--secondary {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--muted-plum);
}
.btn--secondary:hover { border-color: var(--cream); }
.btn--secondary:focus-visible { outline: 2px solid var(--violet-light); outline-offset: 2px; }

/* ----- Pills --------------------------------------------------------------- */

.beta-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--acid-green);
  padding: 5px 10px;
  border: 1px solid var(--acid-green);
  border-radius: 4px;
  white-space: nowrap;
}

/* ----- Section: Problem ---------------------------------------------------- */

.problem { background: var(--aubergine); }
.problem__kicker { margin-bottom: var(--space-lg); }
.problem__pillar {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(36px, 5.4vw, 64px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--cream);
  margin-bottom: clamp(1.5rem, 4vh, 2.5rem);
  max-width: 920px;
}
.problem__body {
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--cream-mute);
  max-width: 720px;
  margin-bottom: var(--space-lg);
}
.problem__close {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(18px, 1.8vw, 24px);
  color: var(--cream);
  max-width: 720px;
}

/* ----- Section: Product ---------------------------------------------------- */

.product { background: var(--aubergine-soft); }
.product__intro { margin-bottom: clamp(2.5rem, 6vh, 4rem); }
.product__panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vh, 4rem);
}

.panel { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.panel--reverse { direction: rtl; }
.panel--reverse > * { direction: ltr; }

.panel__heading {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--cream);
  margin-bottom: var(--space-md);
}

.panel__body {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.55;
  color: var(--cream-mute);
}

.panel__body a { color: var(--violet-light); border-bottom: 1px solid currentColor; }
.panel__body a:hover { color: var(--cream); }

/* UI evidence panel — light surface inside aubergine border */
.ui-evidence {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 20px;
  color: #18181B;
  border: 1px solid var(--muted-plum);
  font-family: var(--font-sans);
  font-size: 13px;
  position: relative;
}
.ui-evidence__caption {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cool-gray);
  margin-top: var(--space-md);
}
.ui-evidence__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: #71717A;
  text-transform: uppercase;
}
.ui-evidence__title {
  font-family: var(--font-wordmark);
  font-weight: 500;
  font-size: 22px;
  color: #18181B;
  margin: 8px 0 12px;
}
.ui-evidence__title small { font-size: 14px; color: #71717A; font-weight: 400; }
.ui-bar { height: 4px; background: #F4F4F5; border-radius: 2px; overflow: hidden; margin-bottom: 12px; }
.ui-bar__fill { height: 100%; background: var(--acid-green); border-radius: 2px; }
.ui-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: #FAFAFA; border-radius: 4px; margin-bottom: 4px; }
.ui-row__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ui-row__dot--green { background: var(--acid-green); }
.ui-row__dot--violet { background: var(--app-violet); }
.ui-row__dot--plum { background: var(--muted-plum); }
.ui-row__text { font-size: 12px; color: #18181B; flex: 1; }
.ui-row__date { font-family: var(--font-mono); font-size: 10px; color: #71717A; text-transform: uppercase; letter-spacing: 0.04em; }

/* ----- Section: Founder credibility ---------------------------------------- */

.founder { background: var(--aubergine); }
.founder__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: clamp(1.5rem, 4vh, 2.5rem);
  max-width: 920px;
}
.founder__body {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.55;
  color: var(--cream-mute);
  max-width: 720px;
  margin-bottom: var(--space-lg);
}
.founder__body a { color: var(--violet-light); border-bottom: 1px solid currentColor; }
.founder__body a:hover { color: var(--cream); }
.founder__close {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--cream-mute);
  border-left: 2px solid var(--muted-plum);
  padding-left: var(--space-md);
  max-width: 640px;
}

/* Photo placeholder — duotone gradient until real image lands */
.photo-duotone {
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  background: linear-gradient(135deg, #2A1F32 0%, #14101C 35%, #4A3850 60%, #ECE4D6 100%);
  position: relative;
  overflow: hidden;
}
.photo-duotone::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 60%, rgba(236, 228, 214, 0.2) 0px, transparent 80px),
    radial-gradient(circle at 70% 30%, rgba(20, 16, 28, 0.5) 0px, transparent 100px);
}
.photo-caption {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cool-gray);
  margin-top: var(--space-sm);
}

/* ----- Section: Access ----------------------------------------------------- */

.access { background: var(--aubergine-soft); }

.access__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: 720px;
  margin-top: clamp(2rem, 5vh, 3rem);
}

.access__field { display: flex; flex-direction: column; gap: 6px; }
.access__field--full { grid-column: 1 / -1; }

.access__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cool-gray);
}

.access__input,
.access__textarea,
.access__select {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  background: var(--aubergine);
  color: var(--cream);
  border: 1px solid var(--muted-plum);
  border-radius: 6px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color 150ms ease;
}
.access__input:focus,
.access__textarea:focus,
.access__select:focus {
  outline: none;
  border-color: var(--violet-light);
  box-shadow: 0 0 0 3px rgba(176, 127, 229, 0.15);
}
.access__textarea { min-height: 96px; resize: vertical; font-family: var(--font-sans); }
.access__select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  cursor: pointer;
  padding-right: 40px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%238A8295' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3,5 6,8 9,5'/></svg>");
  background-position: right 14px center;
  background-repeat: no-repeat;
  background-size: 12px;
}
.access__select option {
  background: var(--aubergine);
  color: var(--cream);
}

.access__submit { grid-column: 1 / -1; }

/* ----- Manifesto ----------------------------------------------------------- */

.manifesto {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(120px, 16vh, 200px) 6vw clamp(64px, 10vh, 96px);
}

.manifesto__header {
  margin-bottom: clamp(3rem, 7vh, 5rem);
}

.manifesto__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(40px, 6.4vw, 72px);
  letter-spacing: -0.02em;
  line-height: 1.0;
  color: var(--cream);
  margin-top: var(--space-md);
}

.manifesto__act {
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.manifesto__kicker {
  margin-bottom: var(--space-md);
  color: var(--violet-light);
}

.manifesto__lead {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(24px, 2.8vw, 32px);
  line-height: 1.2;
  color: var(--cream);
  margin-bottom: var(--space-md);
  letter-spacing: -0.015em;
}

.manifesto__act p {
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.65;
  color: var(--cream-mute);
  margin-bottom: var(--space-md);
}

.manifesto__act p a {
  color: var(--violet-light);
  border-bottom: 1px solid currentColor;
}
.manifesto__act p a:hover { color: var(--cream); }

.manifesto__pillar {
  font-family: var(--font-display) !important;
  font-style: italic;
  font-size: clamp(22px, 2.4vw, 28px) !important;
  line-height: 1.3 !important;
  color: var(--cream) !important;
  margin: clamp(1.5rem, 3vh, 2rem) 0 !important;
  letter-spacing: -0.01em;
}

.manifesto__photo-break {
  margin: clamp(2.5rem, 6vh, 4rem) 0;
}
.manifesto__photo-break .photo-duotone {
  aspect-ratio: 16 / 9;
}

.manifesto__footer {
  margin-top: clamp(3rem, 8vh, 5rem);
  padding-top: clamp(2rem, 5vh, 3rem);
  border-top: 0.5px solid var(--muted-plum);
}

.manifesto__signoff {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 2vw, 26px);
  color: var(--cream-mute);
  margin-top: var(--space-lg);
}

/* ----- Legal pages --------------------------------------------------------- */

.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(120px, 16vh, 200px) 6vw clamp(64px, 10vh, 96px);
}

.legal__header {
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.legal__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--cream);
  margin-top: var(--space-md);
}

.legal__body {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.65;
  color: var(--cream-mute);
}

.legal__body p { margin-bottom: 1.25em; }
.legal__body h2 {
  font-family: var(--font-wordmark);
  font-weight: 500;
  font-size: clamp(20px, 1.8vw, 24px);
  color: var(--cream);
  letter-spacing: -0.015em;
  margin: 2.25em 0 0.75em;
}
.legal__body h3 {
  font-family: var(--font-wordmark);
  font-weight: 500;
  font-size: 16px;
  color: var(--cream);
  margin: 1.75em 0 0.5em;
}
.legal__body a { color: var(--violet-light); border-bottom: 1px solid currentColor; }
.legal__body a:hover { color: var(--cream); }
.legal__body ul, .legal__body ol { margin: 1em 0 1.25em 1.5em; }
.legal__body li { margin-bottom: 0.5em; }
.legal__body strong { color: var(--cream); font-weight: 500; }
.legal__body code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--muted-plum);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--cream);
}
.legal__placeholder {
  background: rgba(176, 127, 229, 0.08);
  border-left: 2px solid var(--violet-light);
  padding: 12px 16px;
  margin: 1em 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet-light);
}

/* ----- Footer -------------------------------------------------------------- */

.footer {
  background: var(--aubergine);
  border-top: 0.5px solid var(--muted-plum);
  padding: clamp(48px, 8vh, 80px) 6vw;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  max-width: var(--container-max);
  margin: 0 auto;
}
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cool-gray);
  margin-bottom: var(--space-md);
  font-weight: 400;
}
.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: 8px; }
.footer__col a {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--cream-mute);
  transition: color 150ms ease;
}
.footer__col a:hover { color: var(--cream); }
.footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--cream);
  margin: 12px 0 8px;
}
.footer__location { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--cool-gray); }

/* ----- Reduced motion ------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  .rotor__word { animation: none !important; opacity: 0 !important; }
  .rotor__word:nth-child(1) { opacity: 1 !important; }
  html { scroll-behavior: auto; }
}

/* ----- Mobile (< 600px) ---------------------------------------------------- */

@media (max-width: 600px) {
  .nav { padding: 20px 6vw; flex-direction: column; align-items: flex-start; gap: 12px; }
  .nav__links { gap: var(--space-md); flex-wrap: wrap; }
  .hero { padding: 4vh 6vw 8vh; }
  .hero__top { flex-direction: column; gap: 12px; padding-top: 100px; }
  .hero__cta-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero__cta-row .btn { text-align: center; }
  .panel { grid-template-columns: 1fr; }
  .panel--reverse { direction: ltr; }
  .access__form { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* ----- Tablet (600–1024px) -------------------------------------------------- */

@media (min-width: 600px) and (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__col:first-child { grid-column: 1 / -1; }
}