/* =========================================================
   memorywafers.com — Lot Traveler Design System
   ========================================================= */

:root {
  --substrate: #0B0E12;
  --substrate-alt: #10141A;
  --cleanroom: #F2F4F3;
  --silicon: #5FB4D6;
  --silicon-dim: rgba(95, 180, 214, 0.45);
  --amber: #E8A33D;
  --amber-dim: rgba(232, 163, 61, 0.45);
  --graphite: #8B939B;
  --ink: #11151A;
  --white: #FFFFFF;
  --hairline: rgba(255, 255, 255, 0.10);
  --hairline-strong: rgba(255, 255, 255, 0.18);

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --max-width: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--substrate);
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--white);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); margin-bottom: 0.7em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: rgba(255, 255, 255, 0.78); }

a { color: var(--silicon); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: var(--font-mono); letter-spacing: 0.01em; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--amber);
  color: var(--ink);
  padding: 0.5em 1em;
  z-index: 999;
  border-radius: 4px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silicon);
  margin-bottom: 0.9em;
}
.eyebrow-on-dark { color: var(--ink); opacity: 0.55; }
.heading-on-dark { color: var(--white); }

.section-intro {
  max-width: 660px;
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75em 1.4em;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: var(--amber);
  color: var(--ink);
}
.btn-primary:hover { background: #f0b256; }
.btn-ghost {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--white);
}
.btn-ghost:hover { border-color: var(--silicon); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 14, 18, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  gap: 1rem;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--white);
}
.wordmark:hover { text-decoration: none; }
.wordmark-die {
  width: 0.85em;
  height: 0.85em;
  background: var(--amber);
  border-radius: 2px;
  display: inline-block;
}
.wordmark-dot { color: var(--graphite); }

.main-nav {
  display: flex;
  gap: 1.6rem;
  font-size: 0.92rem;
}
.main-nav a { color: rgba(255,255,255,0.72); }
.main-nav a:hover { color: var(--white); text-decoration: none; }

.header-cta { padding: 0.55em 1.1em; font-size: 0.88rem; }

@media (max-width: 860px) {
  .main-nav { display: none; }
}
@media (max-width: 480px) {
  .header-cta { display: none; }
}

.status-strip {
  border-top: 1px solid var(--hairline);
  background: var(--substrate-alt);
}
.status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 1.5rem;
  font-size: 0.74rem;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--amber);
  text-transform: uppercase;
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--amber);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(232,163,61,0.7);
  animation: pulse-dot 2.4s ease-out infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(232,163,61,0.55); }
  70% { box-shadow: 0 0 0 6px rgba(232,163,61,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,163,61,0); }
}
.status-meta { color: var(--graphite); }

/* ---------- Hero ---------- */
.hero { padding: 4.5rem 0 4rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}
.hero-sub { font-size: 1.08rem; max-width: 560px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.6rem; }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  overflow: hidden;
}
.stat {
  background: var(--substrate-alt);
  padding: 1.3rem 1.2rem;
}
.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--amber);
  margin: 0 0 0.3em;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--graphite);
  margin: 0;
  line-height: 1.45;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Sections (general) ---------- */
.section { padding: 5rem 0; border-top: 1px solid var(--hairline); }
.section-dark-alt { background: var(--substrate-alt); }

.copy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.2rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 800px) {
  .copy-grid { grid-template-columns: 1fr; }
}

.card-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  overflow: hidden;
}
.card { background: var(--substrate); padding: 1.4rem 1.3rem; }
.card-figure { font-size: 1.3rem; color: var(--silicon); margin: 0 0 0.4em; font-weight: 600; }
.card-text { font-size: 0.86rem; color: var(--graphite); margin: 0; line-height: 1.5; }

@media (max-width: 900px) {
  .card-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .card-row { grid-template-columns: 1fr; }
}

/* ---------- Wafer Map ---------- */
.wafer-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2.5rem;
  align-items: center;
  margin-top: 2rem;
}
.wafer-stage {
  display: flex;
  justify-content: center;
}
#wafer-svg { width: 100%; max-width: 480px; height: auto; }
.wafer-disc { fill: var(--substrate-alt); stroke: var(--hairline-strong); stroke-width: 2; }

.die-cell {
  stroke: var(--substrate);
  stroke-width: 1.4;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.15s ease;
  transform-box: fill-box;
  transform-origin: center;
}
.die-cell:hover, .die-cell:focus-visible {
  opacity: 0.85;
  transform: scale(1.12);
}
.die-cat-1 { fill: var(--silicon); }
.die-cat-2 { fill: rgba(95, 180, 214, 0.62); }
.die-cat-3 { fill: rgba(95, 180, 214, 0.36); }
.die-cat-4 { fill: var(--amber); }
.die-cat-5 { fill: rgba(232, 163, 61, 0.45); }
.die-cat-6 { fill: var(--graphite); }
.die-edge { fill: rgba(139, 147, 155, 0.18); cursor: default; }
.die-prime {
  fill: var(--amber);
  stroke: var(--white);
  stroke-width: 2;
  animation: prime-pulse 2.6s ease-in-out infinite;
}
@keyframes prime-pulse {
  0%, 100% { filter: drop-shadow(0 0 0 rgba(232,163,61,0)); }
  50% { filter: drop-shadow(0 0 6px rgba(232,163,61,0.85)); }
}

.wafer-panel {
  background: var(--substrate-alt);
  border: 1px solid var(--hairline-strong);
  border-radius: 10px;
  padding: 1.6rem 1.5rem;
  min-height: 200px;
}
.wafer-panel-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 0.6em;
}
.wafer-panel h3 {
  color: var(--amber);
  font-size: 1.05rem;
  margin-bottom: 0.5em;
}
.wafer-panel p { font-size: 0.92rem; margin: 0; }

@media (max-width: 900px) {
  .wafer-layout { grid-template-columns: 1fr; }
}

.wafer-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  list-style: none;
  padding: 0;
  margin: 1.8rem 0 0;
  font-size: 0.8rem;
  color: var(--graphite);
}
.wafer-legend li { display: flex; align-items: center; gap: 0.5em; }
.swatch {
  width: 12px; height: 12px;
  border-radius: 3px;
  display: inline-block;
}
.swatch-1 { background: var(--silicon); }
.swatch-2 { background: rgba(95, 180, 214, 0.62); }
.swatch-3 { background: rgba(95, 180, 214, 0.36); }
.swatch-4 { background: var(--amber); }
.swatch-5 { background: rgba(232, 163, 61, 0.45); }
.swatch-6 { background: var(--graphite); }
.swatch-edge { background: rgba(139, 147, 155, 0.18); border: 1px solid var(--hairline-strong); }

/* ---------- Paper Insert (Valuation / Comparables) ---------- */
.paper-insert {
  position: relative;
  background: var(--cleanroom);
  color: var(--ink);
  border-radius: 4px;
  margin-top: 2rem;
  padding: 2.2rem 2.4rem 2.4rem;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.55);
  transform: rotate(-0.35deg);
}
.paper-tear {
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 10px;
  background-image: radial-gradient(circle at 8px 0, transparent 5px, var(--cleanroom) 5.5px);
  background-size: 16px 10px;
  background-repeat: repeat-x;
}
.paper-label {
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(17,21,26,0.5);
  margin-bottom: 1.6rem;
  border-bottom: 1px solid rgba(17,21,26,0.12);
  padding-bottom: 1rem;
}

.valuation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem 2rem;
}
.valuation-tier { padding-bottom: 0.4rem; }
.tier-label {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: rgba(17,21,26,0.55);
  margin-bottom: 0.5em;
}
.tier-figure {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 0.35em;
}
.tier-note { font-size: 0.86rem; color: rgba(17,21,26,0.62); margin: 0; }

@media (max-width: 700px) {
  .valuation-grid { grid-template-columns: 1fr; }
}

.score-row {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-top: 2.2rem;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(17,21,26,0.12);
}
.score-gauge { position: relative; flex-shrink: 0; }
.gauge-track { fill: none; stroke: rgba(17,21,26,0.1); stroke-width: 10; }
.gauge-fill {
  fill: none;
  stroke: var(--amber);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: calc(314 - (314 * var(--pct)));
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}
.gauge-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
}
.gauge-number span { font-size: 0.7rem; color: rgba(17,21,26,0.5); margin-left: 1px; }
.score-note { font-size: 0.92rem; color: rgba(17,21,26,0.72); margin: 0; }

@media (max-width: 700px) {
  .score-row { flex-direction: column; align-items: flex-start; }
}

.comps-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.comps-table th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(17,21,26,0.5);
  padding: 0 0 0.6rem;
  border-bottom: 1px solid rgba(17,21,26,0.18);
}
.comps-table td {
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(17,21,26,0.08);
  color: rgba(17,21,26,0.85);
}
.comps-table td:nth-child(2) { color: var(--ink); font-weight: 600; }
.paper-footnote {
  font-size: 0.78rem;
  color: rgba(17,21,26,0.5);
  margin-top: 1.4rem;
}

/* ---------- Buyers ---------- */
.buyer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-top: 2rem;
}
.buyer-card {
  background: var(--substrate-alt);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1.6rem;
}
.buyer-card .swatch { width: 14px; height: 14px; margin-bottom: 1rem; }
.buyer-card h3 { margin-bottom: 0.5em; }
.buyer-card p { font-size: 0.9rem; margin: 0; }

@media (max-width: 900px) {
  .buyer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .buyer-grid { grid-template-columns: 1fr; }
}

/* ---------- Acquire ---------- */
.acquire-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.acquire-list { list-style: none; padding: 0; margin: 1.8rem 0 0; }
.acquire-list li {
  display: flex;
  gap: 1em;
  padding: 0.8rem 0;
  border-top: 1px solid var(--hairline);
  font-size: 0.95rem;
  color: rgba(255,255,255,0.82);
}
.acquire-list li:first-child { border-top: none; }
.acquire-list .mono { color: var(--amber); font-weight: 600; }

.acquire-form {
  background: var(--substrate);
  border: 1px solid var(--hairline-strong);
  border-radius: 10px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
}
.hidden-field {
  display: none;
}
.form-title {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--graphite);
  margin-bottom: 1.2rem;
}
.acquire-form label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 0.4rem;
  margin-top: 0.9rem;
}
.acquire-form input,
.acquire-form select,
.acquire-form textarea {
  background: var(--substrate-alt);
  border: 1px solid var(--hairline-strong);
  color: var(--white);
  border-radius: 6px;
  padding: 0.65em 0.8em;
  font-family: var(--font-body);
  font-size: 0.94rem;
}
.acquire-form input:focus,
.acquire-form select:focus,
.acquire-form textarea:focus {
  border-color: var(--silicon);
  outline: none;
}
.acquire-form button { margin-top: 1.4rem; }
.form-fineprint {
  font-size: 0.76rem;
  color: var(--graphite);
  margin: 0.9rem 0 0;
}

@media (max-width: 900px) {
  .acquire-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 2.5rem 0 3rem;
}
.footer-id { color: var(--graphite); font-size: 0.82rem; margin-bottom: 1rem; }
.footer-disclaimer {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  max-width: 760px;
  line-height: 1.6;
}
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.32); margin: 1.2rem 0 0; }