/* ===========================================================
   Design tokens
   =========================================================== */
:root {
  --ink: #0c0b09;
  --surface: #17150f;
  --surface-2: #1e1c15;
  --line: #2c2921;
  --bone: #ece7dc;
  --fog: #9a9488;
  --glacier: #c08a3e;
  --glacier-dim: #a06f2e;
  --moss: #8f9574;

  --display: "Big Shoulders Display", sans-serif;
  --body: "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;

  --container: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--glacier); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
}

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================================================
   Nav
   =========================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: linear-gradient(to bottom, rgba(10,12,14,0.85), rgba(10,12,14,0));
}

.wordmark {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
}
.wordmark span { color: var(--glacier); }

.nav-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
  color: var(--bone);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-cta:hover {
  border-color: var(--glacier);
  background: var(--surface-2);
  text-decoration: none;
}
.nav-cta .tag-price {
  color: var(--ink);
  background: var(--glacier);
  padding: 2px 6px;
  border-radius: 2px;
  font-weight: 700;
}

/* ===========================================================
   Hero
   =========================================================== */
.hero {
  padding: 120px 24px 0;
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.hero-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line);
  margin-bottom: 36px;
}

.hero-text { padding: 0 0 72px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--glacier);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--glacier);
  display: inline-block;
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1;
  letter-spacing: 0.005em;
  margin: 0 0 22px;
  white-space: nowrap;
}

.hero p.lede {
  font-size: 18px;
  line-height: 1.65;
  color: var(--bone);
  max-width: 52ch;
  margin: 0 0 30px;
}

.hero p.lede strong { color: var(--bone); font-weight: 600; }

.cta-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* Gear hangtag CTA */
.hangtag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px 14px 16px;
  background: var(--glacier);
  color: var(--ink);
  border-radius: 3px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 0 0 rgba(79,184,217,0);
}
.hangtag:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(79,184,217,0.25);
  text-decoration: none;
}
.hangtag::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  flex-shrink: 0;
}
.hangtag .price {
  background: var(--ink);
  color: var(--glacier);
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 700;
}

.ghost-link {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fog);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.ghost-link:hover { color: var(--bone); border-color: var(--fog); text-decoration: none; }

/* ===========================================================
   Proof strip
   =========================================================== */
.proof {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.proof-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
  text-transform: uppercase;
}
.proof-inner span strong { color: var(--bone); font-weight: 600; }

/* ===========================================================
   Body sections
   =========================================================== */
section.block { padding: 88px 0; }
section.block.tight { padding: 64px 0; }
section.block + section.block { border-top: 1px solid var(--line); }

.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--glacier);
  margin: 0 0 16px;
}

h2 {
  font-family: var(--display);
  text-transform: uppercase;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.05;
  margin: 0 0 20px;
  max-width: 20ch;
}

.lead-text {
  font-size: 18px;
  color: var(--bone);
  max-width: 58ch;
  margin: 0 0 20px;
}

.body-text { color: var(--fog); max-width: 58ch; }
.body-text + .body-text { margin-top: 14px; }

/* Contents / accordion preview list on landing page */
.contents-list {
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.contents-item {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.contents-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--glacier);
  flex-shrink: 0;
  width: 28px;
}
.contents-item h3 {
  font-family: var(--body);
  font-weight: 600;
  font-size: 17px;
  margin: 0;
  color: var(--bone);
}
.contents-item p {
  font-family: var(--body);
  font-size: 14.5px;
  color: var(--fog);
  margin: 4px 0 0;
}

/* ===========================================================
   Side gutter decoration (desktop only — gutter doesn't exist
   on narrower viewports, so this hides itself below 1180px)
   =========================================================== */
.side-decor-wrap { position: relative; }

.side-decor {
  position: absolute;
  left: 80px;
  top: 64px;
  width: 230px;
  border: 1px solid var(--line);
  border-radius: 4px;
  transform: rotate(-4deg);
  box-shadow: 0 16px 32px rgba(0,0,0,0.45);
}

@media (max-width: 1180px) {
  .side-decor { display: none; }
}

/* ===========================================================
   What's inside — card grid
   =========================================================== */
.reveal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 40px;
}
.reveal-card {
  background: var(--surface);
  padding: 26px 26px 28px;
}
.reveal-card h3 {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--glacier);
  margin: 0 0 12px;
}
.reveal-card p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fog);
  margin: 0;
}
@media (max-width: 700px) {
  .reveal-grid { grid-template-columns: 1fr; }
}

/* ===========================================================
   Footer / final CTA
   =========================================================== */
.final-cta {
  text-align: center;
  padding: 96px 24px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}
.final-cta h2 { max-width: none; margin: 0 auto 14px; }
.final-cta .lead-text { margin: 0 auto 32px; }

footer {
  padding: 32px 24px;
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fog);
  letter-spacing: 0.04em;
}

/* ===========================================================
   Guide page — gate
   =========================================================== */
.gate-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.gate-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 36px 32px;
}
.gate-card .section-label { margin-bottom: 10px; }
.gate-card h1 {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: 28px;
  margin: 0 0 10px;
}
.gate-card p {
  color: var(--fog);
  font-size: 14.5px;
  margin: 0 0 24px;
}
.gate-input {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--bone);
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.05em;
  padding: 13px 14px;
  border-radius: 3px;
  margin-bottom: 14px;
}
.gate-input:focus { border-color: var(--glacier); outline: none; }
.gate-submit {
  width: 100%;
  background: var(--glacier);
  color: var(--ink);
  border: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px;
  border-radius: 3px;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.gate-submit:hover { filter: brightness(1.1); }
.gate-submit:disabled { opacity: 0.5; cursor: default; }
.gate-error {
  color: #e8836b;
  font-family: var(--mono);
  font-size: 13px;
  margin-top: 14px;
  display: none;
}
.gate-error.show { display: block; }
.gate-footnote {
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--fog);
}
.gate-footnote a { color: var(--fog); border-bottom: 1px solid var(--line); }
.gate-footnote a:hover { color: var(--bone); text-decoration: none; }

/* ===========================================================
   Guide page — content / accordion
   =========================================================== */
.guide-header {
  padding: 140px 0 40px;
  border-bottom: 1px solid var(--line);
}
.guide-header h1 {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 12px;
  line-height: 1;
}
.guide-header p { color: var(--fog); max-width: 56ch; }

.accordion { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.acc-item {
  border-bottom: 1px solid var(--line);
}
.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 0;
  background: none;
  border: none;
  color: var(--bone);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}
.acc-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--glacier);
  width: 26px;
  flex-shrink: 0;
}
.acc-title {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: clamp(20px, 3vw, 26px);
  flex: 1;
  letter-spacing: 0.01em;
}
.acc-icon {
  color: var(--fog);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.acc-item.open .acc-icon { transform: rotate(90deg); }

.acc-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}
.acc-item.open .acc-panel { max-height: 30000px; }

.acc-panel-inner {
  padding: 0 0 44px 44px;
  border-left: 2px solid var(--line);
  color: var(--fog);
}
.acc-panel-inner p { margin: 0 0 16px; }
.acc-panel-inner h3 {
  font-family: var(--body);
  color: var(--bone);
  font-size: 16px;
  font-weight: 600;
  margin: 28px 0 10px;
}
.acc-panel-inner h3:first-child { margin-top: 0; }
.acc-panel-inner img {
  border-radius: 3px;
  border: 1px solid var(--line);
  margin: 6px 0 18px;
}
.acc-panel-inner figcaption {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fog);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: -12px 0 20px;
}
.acc-panel-inner pre {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 18px;
}
.acc-panel-inner code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--moss);
  line-height: 1.6;
}
.acc-panel-inner .diagnosis-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--glacier);
  padding: 3px 8px;
  border-radius: 2px;
  margin-bottom: 10px;
}
.acc-panel-inner strong { color: var(--bone); }
.acc-panel-inner ul, .acc-panel-inner ol { padding-left: 20px; margin: 0 0 16px; }
.acc-panel-inner li { margin-bottom: 8px; }
.acc-panel-inner video { width: 100%; border-radius: 3px; border: 1px solid var(--line); margin: 6px 0 18px; }
.acc-panel-inner hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}
.acc-panel-inner .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 8px 0 24px;
}
.acc-panel-inner table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  margin: 0;
  font-size: 14px;
}
.acc-panel-inner th, .acc-panel-inner td {
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--line);
  vertical-align: top;
}
.acc-panel-inner th {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--glacier);
  background: var(--surface);
}
.acc-panel-inner td { color: var(--fog); }

.full-prompt {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 2px solid var(--glacier);
  border-radius: 3px;
  padding: 18px 20px;
  margin: 20px 0 26px;
  white-space: pre-wrap;
}

.acc-panel-inner .annotation {
  background: var(--surface-2);
  border-left: 2px solid var(--glacier);
  border-radius: 0 3px 3px 0;
  padding: 14px 18px 6px;
  margin: -8px 0 24px;
}
.acc-panel-inner .annotation .annotation-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--glacier);
  margin: 0 0 10px;
}
.acc-panel-inner .annotation ul { margin: 0 0 8px; padding-left: 18px; }
.acc-panel-inner .annotation li { margin-bottom: 8px; font-size: 14px; }

.placeholder-note {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--fog);
  border: 1px dashed var(--line);
  border-radius: 3px;
  padding: 14px 16px;
}

/* Loading state */
.loading-line {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fog);
  padding: 40px 0;
}

@media (max-width: 640px) {
  .acc-panel-inner { padding-left: 16px; border-left-color: var(--line); }
  .hero-inner { padding-bottom: 48px; }
  .hero h1 { white-space: normal; font-size: clamp(30px, 9vw, 40px); }
}