/* ============================================================
   EMBODY — landing page
   Sibling brand to owlette.app. Quiet, confident, lowercase.
   ============================================================ */


/* ------------------------------------------------------------
   1. Tokens
   ------------------------------------------------------------ */
:root {
  /* Surfaces */
  --bg:            #181e1e;
  --bg-elevated:   #1f2321;
  --bg-elevated-2: #283028;
  --bg-code:       #161e1a;

  /* Text */
  --text:          #c8d0c9;
  --text-muted:    #97a098;
  --text-faint:    #6b756c;

  /* Accent */
  --accent:        #6ee668;
  --accent-hover:  #a0f09c;
  --accent-dim:    #6ee66833;

  /* Lines */
  --border:        #2a4a42;
  --border-faint:  #283028;

  /* Type */
  --font-display: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body:    system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', 'Menlo', 'Consolas', monospace;

  /* Layout */
  --content-max:  1100px;
  --content-narrow: 760px;
  --section-pad:  clamp(5rem, 10vw, 9rem);
  --gutter:       clamp(1.5rem, 4vw, 3rem);
  --radius:       14px;
  --radius-sm:    8px;
}


/* ------------------------------------------------------------
   2. Reset
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: 'kern', 'liga';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 160ms ease;
}
a:hover { color: var(--accent-hover); }

/* Keyboard focus rings — visible only for keyboard users, not mouse clicks */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.btn:focus-visible { border-radius: 999px; }

p { margin: 0 0 1em; }

ul, ol { margin: 0; padding: 0; list-style: none; }

code, kbd, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

::selection {
  background: var(--accent-dim);
  color: var(--accent-hover);
}


/* ------------------------------------------------------------
   3. Layout primitives
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: var(--content-narrow); }

.section {
  padding: var(--section-pad) 0;
}


/* ------------------------------------------------------------
   4. Typography utilities
   ------------------------------------------------------------ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 2.5rem;
  font-weight: 500;
}
.eyebrow__sep {
  color: var(--text-faint);
  margin: 0 0.4em;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 3rem;
  text-transform: lowercase;
}

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 70ch;
  margin: 0 0 3rem;
}
.lede strong {
  color: var(--text);
  font-weight: 600;
}
.lede code {
  background: var(--bg-code);
  border: 1px solid var(--border-faint);
  padding: 0.1em 0.45em;
  border-radius: 4px;
  color: var(--text);
}

.dot {
  color: var(--text-faint);
  margin: 0 0.3em;
}


/* ------------------------------------------------------------
   5. Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.005em;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: #0e1612;
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: #0e1612;
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--accent);
  color: var(--accent);
}


/* ------------------------------------------------------------
   6. Mark (sticky top-left logo)
   ------------------------------------------------------------ */
.mark {
  position: fixed;
  top: clamp(1rem, 2vw, 1.6rem);
  left: clamp(1.25rem, 3vw, 2rem);
  z-index: 100;
}
.mark__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: rgba(24, 30, 30, 0.92);
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.mark__link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(30, 40, 30, 0.95);
}
.mark__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  flex-shrink: 0;
}
.mark__word { line-height: 1; }


/* ------------------------------------------------------------
   7. Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  padding: clamp(8rem, 14vw, 11rem) 0 clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
}

/* Faint radial green wash, off-center */
.hero__glow {
  position: absolute;
  top: -10%;
  right: clamp(-30%, -8vw, -10%);
  width: clamp(40rem, 60vw, 70rem);
  height: 70vw;
  max-width: 1100px;
  max-height: 1100px;
  background: radial-gradient(circle at center,
              rgba(110, 230, 104, 0.06) 0%,
              rgba(110, 230, 104, 0.02) 30%,
              transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.hero__inner .eyebrow {
  margin: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--text);
  margin: 0;
  text-transform: lowercase;
  max-width: 18ch;
}

.hero__sub {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 56ch;
  margin: 0 0 2.5rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 0;
}

/* Screenshot — full-width below the headline (simpler + always elegant) */
.hero__shot {
  margin: 0;
  position: relative;
}
.hero__shot img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: 0 30px 80px -25px rgba(0, 0, 0, 0.7);
}
.hero__shot__caption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 1rem;
  text-align: center;
}


/* ------------------------------------------------------------
   8. Pillars (Envoy / Embody / TDN)
   ------------------------------------------------------------ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.pillar {
  background: var(--bg-elevated);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  padding: 2rem 1.85rem 2.1rem;
  transition: border-color 200ms ease, background 200ms ease, transform 200ms ease;
}
.pillar:hover {
  border-color: var(--border);
  background: var(--bg-elevated-2);
}
.pillar__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0 0 0.4rem;
  /* preserve casing — Envoy/Embody/TDN are proper names */
}
.pillar__claim {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0 0 1.25rem;
  letter-spacing: 0.005em;
}
.pillar__body {
  font-size: 0.97rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}


/* ------------------------------------------------------------
   9. Practice (chat-style capability list)
   ------------------------------------------------------------ */
.practice {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-faint);
}
.practice__row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border-faint);
  transition: background 160ms ease;
}
.practice__row:hover {
  background: rgba(40, 48, 40, 0.3);
}
.practice__what {
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
}
.practice__say {
  color: var(--text);
  font-style: italic;
  font-size: 1rem;
  font-family: var(--font-body);
  line-height: 1.5;
}
.practice__say::before {
  content: '› ';
  color: var(--accent);
  margin-right: 0.5em;
}


/* ------------------------------------------------------------
   10. TDN section
   ------------------------------------------------------------ */
.tdn__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.code {
  background: var(--bg-elevated);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  padding: 1.6rem 1.8rem;
  margin: 0;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text);
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}
.code code {
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
}

/* JSON token coloring */
.c-k { color: var(--text); }          /* keys */
.c-s { color: var(--text); }          /* strings */
.c-n { color: #6ee668; }              /* numbers */
.c-p { color: var(--text-faint); }    /* punctuation */

.tdn__callout {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--text);
  text-align: left;
  margin: 3rem 0;
  border-left: 3px solid var(--accent);
  padding-left: 1.75rem;
  line-height: 1.45;
  letter-spacing: -0.005em;
}
.tdn__callout-lead {
  color: var(--accent);
  font-weight: 600;
}

.tdn__bullets {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.tdn__bullets li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.55;
}
.tdn__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}
.tdn__bullets strong {
  color: var(--text);
  font-weight: 600;
}
.tdn__bullets code {
  background: var(--bg-code);
  border: 1px solid var(--border-faint);
  padding: 0.05em 0.4em;
  border-radius: 4px;
  color: var(--text);
}

.tdn__closer {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--text-muted);
  max-width: 60ch;
  margin: 3rem 0 1.5rem;
  line-height: 1.55;
}

.tdn__link {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.005em;
}


/* ------------------------------------------------------------
   11. Steps (get started)
   ------------------------------------------------------------ */
.steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 760px;
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.75rem;
  align-items: start;
  padding: 1.5rem 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  transition: border-color 180ms ease, background 180ms ease;
}
.step:hover {
  border-color: var(--border);
  background: var(--bg-elevated-2);
}
.step__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  padding-top: 0.15rem;
}
.step__body {
  min-width: 0;
}
.step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}
.step__body p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.55;
}
.step__body code {
  background: var(--bg-code);
  border: 1px solid var(--border-faint);
  padding: 0.05em 0.4em;
  border-radius: 4px;
  color: var(--text);
}
.step__body kbd {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  padding: 0.1em 0.5em;
  border-radius: 5px;
  color: var(--text);
  font-size: 0.8em;
}

.start__meta {
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  letter-spacing: 0.01em;
}


/* ------------------------------------------------------------
   12. Manifesto pull quote
   ------------------------------------------------------------ */
.pullquote {
  margin: 0 0 2rem;
  padding: 0;
  border-left: 2px solid var(--accent);
  padding-left: 1.75rem;
}
.pullquote p {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0;
}
.manifesto__link {
  margin: 0;
  padding-left: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}


/* ------------------------------------------------------------
   13. Footer
   ------------------------------------------------------------ */
.footer {
  border-top: 1px solid var(--border-faint);
  padding: clamp(4rem, 7vw, 6rem) 0 2.5rem;
  margin-top: 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer__col h4,
.footer__h {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 1.25rem;
  font-weight: 500;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer__col a {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.footer__col a:hover { color: var(--accent); }

.footer__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.footer__mark .mark__dot {
  width: 9px;
  height: 9px;
}
.footer__word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-transform: lowercase;
  letter-spacing: -0.01em;
}
.footer__tag {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
}
.footer__tec {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-faint);
}
.footer__bottom p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}
.footer__sig { font-style: italic; }
.footer__city { color: var(--text-muted); }


/* ------------------------------------------------------------
   14. Responsive
   ------------------------------------------------------------ */

/* Tablet large — 1024 */
@media (max-width: 1024px) {
  .pillars { gap: 1.25rem; }
  .tdn__grid { gap: 2rem; }
}

/* Tablet — 768 */
@media (max-width: 820px) {
  .pillars {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .tdn__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .practice__row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.2rem 0;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .footer__col--brand {
    grid-column: 1 / -1;
  }
}

/* Mobile — 540 */
@media (max-width: 540px) {
  body { font-size: 16px; }

  .mark__link {
    padding: 0.4rem 0.7rem 0.4rem 0.5rem;
    font-size: 0.88rem;
  }
  .mark__glyph { width: 18px; height: 18px; }

  .hero { padding-top: clamp(7rem, 18vw, 9rem); }
  .hero__headline {
    font-size: clamp(2.4rem, 11vw, 3.4rem);
    letter-spacing: -0.03em;
  }
  .hero__sub { font-size: 1.05rem; }
  .hero__ctas { gap: 0.7rem; }
  .btn { padding: 0.85rem 1.35rem; font-size: 0.92rem; }

  .section { padding: clamp(4rem, 12vw, 6rem) 0; }
  .section__title { margin-bottom: 2.25rem; }

  .pillar { padding: 1.65rem 1.5rem 1.85rem; }

  .step {
    padding: 1.25rem 1.4rem;
    gap: 1rem;
  }
  .code {
    padding: 1.25rem 1.35rem;
    font-size: 0.76rem;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    margin-bottom: 3rem;
  }
  .footer__col--brand { grid-column: auto; }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}


/* ------------------------------------------------------------
   15. Reduced motion
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}