/* ============================================================
   GenUI Case Study — page styles
   Builds on tokens.css. Editorial / minimal / modern.
   ============================================================ */

:root {
  /* Page-specific palette — matched to akshilshah.com (cream body, dark hero, orange accent) */
  --page-bg: #f1ecdd; /* warm cream background */
  --page-fg: #111111;
  --page-muted: #6b6657;
  --page-line: #d9d3c2;
  --page-line-strong: #111111;
  --page-card: #f8f4e8; /* lighter card on cream */
  --page-card-alt: #ffffff;
  --page-dark: #0e0e0e; /* near-black surface (hero, footer) */
  --page-dark-2: #1a1a1a;
  --page-accent: #e07b2c; /* warm orange — section eyebrow accent */
  --page-highlight: #f2d26a;
  --page-blue: #2b4fe8;
  --page-warn: #e07b2c;
  --page-good: #1f8a4c;

  --max-w: 1200px;
  --col: 1100px;

  --font-display: "Instrument Serif", "STIX Two Text", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular,
    Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  background: var(--page-bg);
  color: var(--page-fg);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}
body {
  overflow: unset;
}

/* Subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background-image: radial-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: multiply;
  opacity: 0.4;
}

::selection {
  background: var(--page-highlight);
  color: var(--page-fg);
}

/* Layout primitives */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}
.col {
  max-width: var(--col);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 720px) {
  .wrap,
  .col {
    padding: 0 20px;
  }
  html,
  body {
    font-size: 16px;
  }
}

/* Type */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-style: italic;
}
.h-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--page-muted);
  font-weight: 500;
}
.h-section {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0;
}
.lede {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--page-fg);
  max-width: 60ch;
}
.muted {
  color: var(--page-muted);
}
.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Buttons / chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border: 1px solid var(--page-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--page-fg);
  white-space: nowrap;
}
.chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--page-fg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--page-line-strong);
  background: var(--page-fg);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform 150ms cubic-bezier(0.2, 0, 0, 1), background 150ms;
}
.btn:hover {
  background: #000;
  transform: translateY(-1px);
}
.btn.ghost {
  background: transparent;
  color: var(--page-fg);
}
.btn.ghost:hover {
  background: var(--page-fg);
  color: #fff;
}

/* Section spacing */
section {
  padding: 96px 0;
  position: relative;
}
@media (max-width: 720px) {
  section {
    padding: 64px 0;
  }
}

.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  margin-bottom: 56px;
  align-items: start;
}
.section-head .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--page-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 12px;
  border-top: 1px solid var(--page-line-strong);
}
@media (max-width: 720px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
  }
  .section-head .num {
    padding-top: 8px;
  }
}

/* Cards */
.card {
  background: var(--page-card);
  border: 1px solid var(--page-line);
  border-radius: 16px;
  padding: 28px;
}
.card img {
  margin-top: 20px;
  max-width: 100%;
}

/* Image placeholders */
.placeholder {
  background: repeating-linear-gradient(
      135deg,
      transparent 0 11px,
      rgba(0, 0, 0, 0.04) 11px 12px
    ),
    var(--page-card);
  border: 1px dashed #c9c7be;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 24px;
  color: var(--page-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.placeholder .ph-label {
  font-weight: 500;
  color: var(--page-fg);
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.placeholder .ph-desc {
  max-width: 32ch;
  line-height: 1.4;
}

/* Divider with label */
.rule {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
  margin: 0;
}
.rule::after {
  content: "";
  height: 1px;
  background: var(--page-line-strong);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms cubic-bezier(0.2, 0, 0, 1),
    transform 700ms cubic-bezier(0.2, 0, 0, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* Utility */
.flex {
  display: flex;
}
.col-stack {
  display: flex;
  flex-direction: column;
}
.gap-8 {
  gap: 8px;
}
.gap-12 {
  gap: 12px;
}
.gap-16 {
  gap: 16px;
}
.gap-24 {
  gap: 24px;
}
.gap-32 {
  gap: 32px;
}
.gap-48 {
  gap: 48px;
}
.center {
  align-items: center;
}
.between {
  justify-content: space-between;
}
.wrap-wrap {
  flex-wrap: wrap;
}
.grid {
  display: grid;
}
.mt-8 {
  margin-top: 8px;
}
.mt-16 {
  margin-top: 16px;
}
.mt-24 {
  margin-top: 24px;
}
.mt-32 {
  margin-top: 32px;
}
.mt-48 {
  margin-top: 48px;
}
.mt-64 {
  margin-top: 64px;
}