/* Homepage sections. The shared design system (style.css) supplies tokens,
   header, footer, buttons and type roles; this file lays out the landing. */

main.landing { padding-bottom: 0; }
.landing section { position: relative; }

/* ---------------------------------------------------------- hero -- */
.lp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: start;
  padding-block: clamp(40px, 6vw, 96px) clamp(48px, 6vw, 96px);
}
.lp-hero h1 {
  font-size: clamp(67.2px, 9.87vw, 157.5px);
  margin: 0 0 30px;
}
.lp-hero h1 em { font-style: italic; color: var(--ink); }
.lp-lead {
  font-family: var(--font-body);
  font-size: 16.8px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 34px;
}
.lp-cta { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 10px; }
.lp-hero-art {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 720px;
  justify-self: end;
  display: grid;
  place-items: center;
}
.lp-hero-art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: lighten;
  pointer-events: none;
  user-select: none;
  opacity: 0.5;
}
.lp-hero-art img { grid-area: 1 / 1; }
.lp-hero-art .art-night, .lp-hero-art .art-small { display: none; }
:root[data-theme="dark"] .lp-hero-art .art-day { display: none; }
:root[data-theme="dark"] .lp-hero-art .art-night { display: block; }

/* --------------------------------------------------------- intro -- */
.lp-what {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(24px, 4vw, 80px);
  padding-block: clamp(40px, 5vw, 80px);
  border-top: 1px solid var(--line);
}
.lp-what h2 { font-size: clamp(39.9px, 4.83vw, 75.6px); line-height: 0.98; margin: 0 0 24px; max-width: 16ch; }
.lp-what p { font-size: 17.85px; line-height: 1.65; color: var(--ink-soft); margin: 0 0 1em; max-width: 60ch; }
.lp-what p:last-child { margin-bottom: 0; }
.lp-what .lp-principles { margin-top: 12px; }
.lp-principles { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.lp-principles li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.lp-principles .eyebrow { margin: 4px 0 0; }
.lp-principles h3 { font-size: 28.35px; margin: 0 0 6px; }
.lp-principles p { font-size: 15.75px; margin: 0; }

/* ---------------------------------------------------------- doors -- */
.lp-doors { padding-block: clamp(40px, 5vw, 80px); border-top: 1px solid var(--line); }
.lp-doors-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 30px; flex-wrap: wrap; }
.lp-doors-head h2 { font-size: clamp(39.9px, 4.83vw, 75.6px); line-height: 0.98; margin: 0; letter-spacing: 0; }
.lp-door-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.lp-door {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 460px;
  padding: 26px 26px 28px;
  border: 1px solid var(--line);
  margin: 0 0 0 -1px;
  overflow: hidden;
  color: var(--ink);
  transition: background 0.15s ease;
}
.lp-door:first-child { margin-left: 0; }
.lp-door:hover { background: var(--panel); text-decoration: none; }
.lp-door .eyebrow { margin: 0; }
.lp-door img {
  position: absolute;
  right: -8%;
  top: 14%;
  width: 90%;
  height: auto;
  opacity: 0.5;
  pointer-events: none;
}
.lp-door-body { margin-top: auto; position: relative; }
.lp-door h3 { font-size: clamp(37.8px, 3.15vw, 54.6px); line-height: 0.95; margin: 0 0 12px; }
.lp-door p { font-size: 15.75px; color: var(--ink-soft); margin: 0 0 20px; max-width: 34ch; }
.lp-door .btn { align-self: flex-start; }
.lp-doors-foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 26px; }
.lp-arrow-link {
  font-family: var(--font-mono);
  font-size: 12.6px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
}
.lp-arrow-link:hover { color: var(--accent); border-bottom-color: var(--accent); text-decoration: none; }

/* -------------------------------------------------------- agents -- */
.lp-agents {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 72px);
  padding-block: clamp(40px, 5vw, 80px);
  border-top: 1px solid var(--line);
  align-items: start;
}
.lp-agents h2 { font-size: clamp(39.9px, 4.41vw, 67.2px); line-height: 0.98; margin: 0 0 18px; }
.lp-agents p { color: var(--ink-soft); font-size: 16.8px; max-width: 52ch; margin: 0 0 1em; }
.lp-terminal {
  border: 1px solid var(--line-strong);
  background: var(--black);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13.65px;
  line-height: 1.7;
}
.lp-terminal-bar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  font-size: 11.025px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.lp-terminal-bar .btn { padding: 6px 10px; font-size: 10.5px; }
.lp-terminal pre { margin: 0; padding: 18px 20px; white-space: pre-wrap; overflow-wrap: anywhere; }
.lp-terminal pre b { color: var(--accent); font-weight: 400; }
.lp-terminal .lp-prompt { color: var(--muted); user-select: none; }
.lp-copy-status { min-height: 1.4em; font-family: var(--font-mono); font-size: 12.075px; letter-spacing: 0.08em; color: var(--accent); margin: 10px 0 0; }
.lp-terminal textarea { position: absolute; left: -9999px; top: 0; height: 1px; width: 1px; opacity: 0; }

/* ----------------------------------------------------------- faq -- */
.lp-faq {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(24px, 4vw, 72px);
  padding-block: clamp(40px, 5vw, 80px);
  border-top: 1px solid var(--line);
}
.lp-faq h2 { font-size: clamp(58.8px, 7.35vw, 126px); line-height: 0.9; margin: 0; letter-spacing: 0; }
.lp-faq-side { display: flex; flex-direction: column; gap: 32px; align-items: flex-start; }
.lp-emblem { width: min(100%, 420px); height: auto; mix-blend-mode: lighten; opacity: 0.5; }
.lp-faq-list { border-top: 1px solid var(--line); }
.lp-faq details { border-bottom: 1px solid var(--line); }
.lp-faq summary {
  list-style: none;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: baseline; gap: 20px;
  padding: 20px 0;
  font-family: var(--font-display);
  font-size: clamp(23.1px, 2.1vw, 31.5px);
  line-height: 1.1;
}
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::after { content: "+"; font-family: var(--font-mono); font-size: 21px; color: var(--muted); flex: none; }
.lp-faq details[open] summary::after { content: "−"; color: var(--accent); }
.lp-faq details p { margin: -4px 0 22px; max-width: 64ch; color: var(--ink-soft); font-size: 16.8px; line-height: 1.65; }
.lp-faq details p a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-strong); }
.lp-faq details p a:hover { color: var(--accent); }

/* ----------------------------------------------------------- band -- */
.lp-band {
  margin: clamp(20px, 3vw, 40px) 0 clamp(48px, 6vw, 96px);
  border: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
}
.lp-band-copy { padding: clamp(28px, 3.5vw, 56px); border-right: 1px solid var(--line-strong); }
.lp-band-copy .eyebrow { color: var(--muted); }
.lp-band-copy h2 { font-size: clamp(39.9px, 4.83vw, 75.6px); line-height: 0.95; letter-spacing: 0; margin: 0 0 18px; }
.lp-band-copy > p { font-family: var(--font-body); font-size: 16.8px; line-height: 1.7; color: var(--ink-soft); max-width: 60ch; margin: 0 0 26px; }
.lp-recent { list-style: none; margin: 0 0 26px; padding: 0; border-top: 1px solid var(--line); }
.lp-recent li { border-bottom: 1px solid var(--line); }
.lp-recent a { display: grid; grid-template-columns: 150px minmax(0, 1fr) auto; gap: 20px; align-items: baseline; padding: 16px 0; color: var(--ink); }
.lp-recent a:hover { text-decoration: none; background: var(--panel); }
.lp-recent a:hover .lp-recent-title { color: var(--accent); }
.lp-recent .eyebrow { margin: 0; }
.lp-recent-title { font-family: var(--font-display); font-size: clamp(21px, 1.89vw, 28.35px); line-height: 1.1; }
.lp-recent-arrow { font-family: var(--font-mono); color: var(--muted); }
.lp-band-mark {
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  position: relative;
}
.lp-band-mark img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; opacity: 0.5; mix-blend-mode: lighten; pointer-events: none; }
.lp-band-mark span { position: relative; }
.lp-band-mark span {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: clamp(67.2px, 9.03vw, 176.4px);
  line-height: 0.8;
  text-align: center;
  color: var(--ink);
}
.lp-band-mark span em { display: block; font-style: italic; color: var(--ink); }

/* ------------------------------------------------------ responsive -- */
@media (max-width: 1100px) {
  .lp-door-grid { grid-template-columns: 1fr; }
  .lp-door { margin: -1px 0 0; min-height: 360px; }
  .lp-door:first-child { margin-top: 0; }
  .lp-door img { width: 56%; right: 0; top: 6%; }
  .lp-what, .lp-agents, .lp-faq { grid-template-columns: 1fr; }
  .lp-faq-side { flex-direction: row; align-items: center; justify-content: space-between; gap: 16px; }
  .lp-emblem { width: min(50%, 240px); }
  .lp-faq h2 { font-size: clamp(58.8px, 12.6vw, 100.8px); }
  .lp-band { grid-template-columns: 1fr; }
  .lp-band-copy { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .lp-band-mark { padding: 40px 24px; }
}
@media (max-width: 860px) {
  .lp-hero { grid-template-columns: 1fr; padding-top: 32px; }
  .lp-hero-art { justify-self: center; max-width: 360px; order: -1; }
  .lp-hero-art .art-day, .lp-hero-art .art-night { display: none; }
  .lp-hero-art .art-small { display: block; }
  :root[data-theme="dark"] .lp-hero-art .art-small { display: block; }
  .lp-hero h1 { font-size: clamp(58.8px, 15.75vw, 126px); }
  .lp-recent a { grid-template-columns: minmax(0, 1fr) auto; }
  .lp-recent .eyebrow { grid-column: 1 / -1; }
  .lp-principles li { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 560px) {
  .lp-door { padding: 20px 18px 22px; min-height: 320px; }
  .lp-door img { width: 72%; opacity: 0.35; }
  .lp-band-copy { padding: 24px 18px; }
  .lp-terminal pre { padding: 14px 16px; font-size: 12.6px; }
}
@media (prefers-reduced-motion: reduce) {
  .lp-hero-art img { animation: none; }
}

.quiet { font-family: var(--font-mono); font-size: 12.6px; letter-spacing: 0.06em; color: var(--muted); }