@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-display: ui-serif, 'New York', 'Charter', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, monospace;

  --paper:      #F4EFE5;
  --paper-2:    #ECE5D7;
  --paper-3:    #DFD6C3;
  --ink:        #1B1714;
  --ink-2:      #4A4138;
  --ink-3:      #847866;
  --ink-4:      #B5AB99;

  --line:        rgba(27, 23, 20, 0.10);
  --line-strong: rgba(27, 23, 20, 0.20);
  --line-soft:   rgba(27, 23, 20, 0.06);

  --vermilion:   #C9472A;
  --vermilion-2: #B43E22;
  --vermilion-soft: rgba(201, 71, 42, 0.08);
  --vermilion-line: rgba(201, 71, 42, 0.45);

  --sage:        #6E7F58;
  --sage-2:      #5C6B4A;
  --brick:       #A04428;
  --gold:        #B58A3D;

  --void:        #14110D;
  --void-ink:    #E8DFCD;
  --void-line:   rgba(232, 223, 205, 0.10);

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern', 'ss01';
  letter-spacing: -0.005em;
}

/* Subtle paper grain everywhere */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity: 0.05;
  mix-blend-mode: multiply;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--vermilion); }

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: rgba(27, 23, 20, 0.06);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--ink-2);
}

kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(255, 253, 248, 0.7);
  border: 0.5px solid var(--line-strong);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--ink-2);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ─── Top bar ──────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 239, 229, 0.85);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 0.5px solid var(--line);
}
.topbar__inner {
  display: flex;
  align-items: center;
  height: 56px;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand__mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(27, 23, 20, 0.1), 0 0 0 0.5px rgba(27, 23, 20, 0.08);
}

.topnav {
  margin-left: auto;
  display: flex;
  gap: 22px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.topnav a { font-weight: 500; }

/* ─── Hero ────────────────────────────────────────── */

.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(ellipse at 70% 20%, rgba(201, 71, 42, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 0% 100%, rgba(110, 127, 88, 0.05) 0%, transparent 50%),
    transparent;
  border-bottom: 0.5px solid var(--line);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--vermilion);
  margin-bottom: 18px;
}
.eyebrow--inverse { color: rgba(232, 223, 205, 0.85); }

.hero__h {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 400;
  font-size: 72px;
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 26px;
  color: var(--ink);
}
.hero__h em { color: var(--vermilion); font-style: italic; }

.hero__lede {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 540px;
  margin: 0 0 32px;
}
.hero__lede strong { color: var(--ink); font-weight: 600; }

.hero__ctas {
  display: flex;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 0.5px solid transparent;
  transition: all 0.18s var(--ease-out);
  text-decoration: none;
}
.btn--primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn--primary:hover {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: var(--paper);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(201, 71, 42, 0.22);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  background: rgba(27, 23, 20, 0.04);
  color: var(--ink);
  border-color: var(--ink-3);
}

.hero__caption {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.hero__caption .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ink-4);
  display: inline-block;
}

/* Demo window mock */
.hero__demo {
  position: relative;
}
.demo-window {
  background: var(--paper);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(27, 23, 20, 0.18),
    0 8px 24px rgba(27, 23, 20, 0.08),
    0 0 0 0.5px rgba(27, 23, 20, 0.10);
  transform: rotate(-1.2deg);
  transition: transform 0.4s var(--ease-out);
}
.demo-window:hover { transform: rotate(0deg) translateY(-4px); }
.demo-window__chrome {
  height: 36px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), rgba(255,255,255,0.2));
  border-bottom: 0.5px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 7px;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.demo-window__chrome .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.15);
  display: inline-block;
}
.dot--close { background: #FF5F57; }
.dot--min   { background: #FEBC2E; }
.dot--max   { background: #28C840; }
.demo-window__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-2);
  margin-left: auto;
  margin-right: auto;
  margin-left: 8px;
}
.demo-window img {
  width: 100%;
  display: block;
  background: var(--paper);
}

/* ─── Sections ────────────────────────────────────── */

.section {
  padding: 88px 0;
  border-bottom: 0.5px solid var(--line);
}

.section--ink {
  background: var(--ink);
  color: var(--void-ink);
  border-bottom-color: rgba(232, 223, 205, 0.08);
}
.section--ink::before {
  content: '';
  position: absolute;
}

.section-head {
  margin-bottom: 56px;
  max-width: 720px;
}
.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 50px;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--ink);
}
.h2 em { color: var(--vermilion); font-style: italic; }
.h2--inverse { color: var(--void-ink); }
.h2--inverse em { color: var(--vermilion); }

.section-lede {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 620px;
  margin: 0 0 18px;
}
.section--ink .section-lede {
  color: rgba(232, 223, 205, 0.75);
  margin-left: auto;
  margin-right: auto;
}

/* ─── Three-column "how it works" ─────────────────── */

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step {
  background: rgba(255, 253, 248, 0.5);
  border: 0.5px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: all 0.2s var(--ease-out);
}
.step:hover {
  border-color: var(--vermilion-line);
  background: rgba(255, 253, 248, 0.85);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(27, 23, 20, 0.06);
}
.step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--vermilion);
  margin-bottom: 14px;
  font-weight: 500;
}
.step__h {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}
.step__h em { color: var(--vermilion); font-style: italic; }
.step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* ─── MCP cmd block ───────────────────────────────── */

.cmd-block {
  background: #0E0B08;
  border: 0.5px solid rgba(232, 223, 205, 0.10);
  border-radius: 14px;
  padding: 22px 24px 18px;
  max-width: 860px;
  margin: 0 auto 40px;
  font-family: var(--font-mono);
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}
.cmd-block__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 0.5px solid rgba(232, 223, 205, 0.1);
}
.cmd-block__title {
  font-size: 11px;
  color: rgba(232, 223, 205, 0.5);
  letter-spacing: 0.06em;
}
.cmd-block__copy {
  margin-left: auto;
  background: rgba(232, 223, 205, 0.08);
  color: var(--void-ink);
  border: 0.5px solid rgba(232, 223, 205, 0.18);
  border-radius: 5px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}
.cmd-block__copy:hover { background: rgba(232, 223, 205, 0.16); }
.cmd-block__line {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 239, 229, 0.95);
  word-break: break-all;
}
.cmd-block__prompt { color: var(--vermilion); flex-shrink: 0; user-select: none; }
.cmd-block__cmd .muted { color: rgba(232, 223, 205, 0.6); }
.cmd-block__cmd .hl { color: var(--gold); }
.cmd-block__output {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 0.5px solid rgba(232, 223, 205, 0.1);
  font-size: 12.5px;
  color: rgba(232, 223, 205, 0.7);
}

/* Tools grid */
.tools {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 860px;
  margin: 0 auto;
}
.tool {
  background: rgba(232, 223, 205, 0.04);
  border: 0.5px solid rgba(232, 223, 205, 0.12);
  border-radius: 12px;
  padding: 22px 24px;
}
.tool__name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 8px;
  font-weight: 500;
}
.tool__desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(232, 223, 205, 0.78);
}

/* ─── Design ──────────────────────────────────────── */

.design-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}

.palette {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.swatch {
  border-radius: var(--r);
  padding: 22px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 96px;
  border: 0.5px solid rgba(27, 23, 20, 0.08);
  letter-spacing: -0.005em;
}
.swatch--dark { color: var(--paper); border-color: transparent; }
.swatch code {
  font-size: 11px;
  background: transparent;
  padding: 0;
  color: inherit;
  opacity: 0.75;
  font-weight: 400;
}

/* ─── Footer ──────────────────────────────────────── */

.foot {
  padding: 36px 0;
  border-top: 0.5px solid var(--line);
  background: rgba(0, 0, 0, 0.02);
}
.foot__inner {
  display: flex;
  align-items: center;
  gap: 18px;
}
.foot__caption {
  font-size: 13px;
  color: var(--ink-3);
  margin-left: 14px;
}
.foot__caption a { color: var(--vermilion); }
.foot__nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 13px;
  color: var(--ink-3);
}

/* ─── Responsive ───────────────────────────────────── */

@media (max-width: 920px) {
  .hero { padding: 64px 0 56px; }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__h { font-size: 48px; }
  .h2 { font-size: 36px; }
  .three-col { grid-template-columns: 1fr; }
  .design-grid { grid-template-columns: 1fr; gap: 32px; }
  .tools { grid-template-columns: 1fr; }
  .topnav { display: none; }
  .foot__inner { flex-wrap: wrap; }
  .foot__nav { width: 100%; margin-left: 0; }
}

@media (max-width: 540px) {
  .container { padding: 0 20px; }
  .hero__h { font-size: 38px; }
  .h2 { font-size: 28px; }
}