@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-bg: #F4F0E8;
  --color-bg-deep: #ECE5D5;
  --color-ink: #0E1B2C;
  --color-muted: #5A5347;
  --color-accent: #8B2818;
  --color-accent-soft: rgba(139, 40, 24, 0.12);
  --color-hairline: #C9C0AF;
  --color-card: #ECE5D5;

  --type-display: 'Spectral', 'EB Garamond', Georgia, serif;
  --type-body: 'IBM Plex Sans', -apple-system, system-ui, sans-serif;
  --type-mono: 'JetBrains Mono', ui-monospace, monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 5rem;
  --space-7: 8rem;

  --max-width: 1240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--type-body);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle topology dot motif */
.topo-bg {
  background-image: radial-gradient(circle at 1px 1px, rgba(14, 27, 44, 0.06) 1px, transparent 0);
  background-size: 28px 28px;
  background-position: 0 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Draft banner */
.banner {
  background: var(--color-ink);
  color: var(--color-bg);
  text-align: center;
  padding: 10px 0;
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.banner .accent { color: #E8A87C; }
.banner .sep { color: var(--color-muted); margin: 0 var(--space-2); }

/* Nav */
nav.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  font-family: var(--type-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-hairline);
  position: sticky;
  top: 0;
  background: rgba(244, 240, 232, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  z-index: 10;
}
nav.site-nav .brand {
  font-family: var(--type-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-transform: none;
  text-decoration: none;
  color: var(--color-ink);
}
nav.site-nav .brand .accent { color: var(--color-accent); font-style: italic; }
nav.site-nav ul {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  align-items: center;
}
nav.site-nav a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 200ms;
}
nav.site-nav a:hover { border-color: var(--color-accent); }
nav.site-nav .pill {
  font-family: var(--type-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 4px 10px;
  border-radius: 100px;
}

/* Hero */
.hero {
  padding: var(--space-7) 0 var(--space-6);
  position: relative;
  overflow: hidden;
}
.hero .label {
  font-family: var(--type-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.hero h1 {
  font-family: var(--type-display);
  font-size: clamp(38px, 6vw, 80px);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-bottom: var(--space-4);
}
.hero h1 em {
  font-style: italic;
  color: var(--color-muted);
  font-weight: 300;
}
.hero h1 .accent {
  color: var(--color-accent);
  font-style: italic;
}
.hero .lede {
  max-width: 56ch;
  font-size: 19px;
  color: var(--color-muted);
  margin-bottom: var(--space-5);
  line-height: 1.55;
}
.hero .actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.hero-graphic {
  position: absolute;
  right: -40px;
  top: 30%;
  width: 360px;
  height: 360px;
  opacity: 0.55;
  pointer-events: none;
}

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  margin-top: var(--space-5);
}
.metric {
  padding: var(--space-4) var(--space-3);
  border-right: 1px solid var(--color-hairline);
}
.metric:last-child { border-right: none; }
.metric .num {
  font-family: var(--type-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.metric .num .pct { color: var(--color-accent); font-style: italic; font-weight: 400; }
.metric .label-small {
  font-family: var(--type-mono);
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--type-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 26px;
  background: var(--color-ink);
  color: var(--color-bg);
  text-decoration: none;
  border: 1px solid var(--color-ink);
  transition: all 200ms;
}
.btn:hover { background: var(--color-accent); border-color: var(--color-accent); }
.btn.outline { background: transparent; color: var(--color-ink); }
.btn.outline:hover { background: var(--color-ink); color: var(--color-bg); }

/* Sections */
section.section {
  padding: var(--space-7) 0;
  position: relative;
  border-top: 1px solid var(--color-hairline);
}
.section-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-5);
}
.section-grid .col-meta {
  padding-top: var(--space-1);
}
.section-grid .num-mark {
  font-family: var(--type-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.section-grid .label-mark {
  font-family: var(--type-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}
.section-grid h2 {
  font-family: var(--type-display);
  font-size: clamp(30px, 4vw, 56px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.018em;
  max-width: 22ch;
  margin-bottom: var(--space-4);
}
.section-grid h2 .accent { color: var(--color-accent); font-style: italic; }
.section-grid p {
  max-width: 62ch;
  margin-bottom: var(--space-3);
  font-size: 17px;
}
.section-grid p.muted { color: var(--color-muted); }
.section-grid p.lede {
  font-size: 20px;
  line-height: 1.5;
  color: var(--color-ink);
  max-width: 50ch;
  font-weight: 400;
}

/* Triplet (Where X / Where Y / Where Z) */
.triplet {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-hairline);
}
.triplet .item .lede-mark {
  font-family: var(--type-mono);
  font-size: 11px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.triplet .item p {
  font-family: var(--type-display);
  font-size: 22px;
  line-height: 1.32;
  font-weight: 400;
}
.triplet .item p .em { font-style: italic; color: var(--color-accent); }

/* Pull quote */
.pullquote {
  font-family: var(--type-display);
  font-size: clamp(26px, 3vw, 38px);
  font-style: italic;
  font-weight: 300;
  line-height: 1.18;
  max-width: 28ch;
  margin: var(--space-5) 0;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-accent);
  color: var(--color-ink);
}

/* Benefit list */
ul.benefits {
  list-style: none;
  margin-top: var(--space-3);
}
ul.benefits li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-hairline);
}
ul.benefits li:first-child { border-top: 1px solid var(--color-hairline); }
ul.benefits .name {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding-top: 6px;
}
ul.benefits .desc strong {
  font-family: var(--type-display);
  font-size: 21px;
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
ul.benefits .desc p {
  font-size: 15px;
  color: var(--color-muted);
  margin: 0;
  max-width: 56ch;
}

/* Cards (problem cards) */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.card {
  background: var(--color-card);
  padding: var(--space-4);
  border-top: 2px solid var(--color-accent);
  display: flex;
  flex-direction: column;
}
.card .num-tag {
  font-family: var(--type-mono);
  font-size: 11px;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-2);
}
.card h3 {
  font-family: var(--type-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}
.card p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: var(--space-2);
}
.card .resolve {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-hairline);
  font-size: 14px;
  color: var(--color-ink);
  font-weight: 500;
}
.card .resolve span {
  font-family: var(--type-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-hairline);
}
.pillar {
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-hairline);
  border-right: 1px solid var(--color-hairline);
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--space-3);
}
.pillar:nth-child(2n) { border-right: none; }
.pillar .num {
  font-family: var(--type-mono);
  font-size: 11px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  padding-top: 6px;
}
.pillar h4 {
  font-family: var(--type-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-1);
}
.pillar p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 38ch;
}

/* Solution: simple in/out diagram replacement for the killed pipeline */
.inout {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: var(--space-4);
  align-items: center;
  margin: var(--space-5) 0;
  padding: var(--space-5) var(--space-4);
  background: var(--color-card);
  border-left: 2px solid var(--color-accent);
}
.inout .panel .label {
  font-family: var(--type-mono);
  font-size: 11px;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.inout .panel h5 {
  font-family: var(--type-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.18;
}
.inout .panel p {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: var(--space-2);
}
.inout .arrow {
  text-align: center;
  font-family: var(--type-mono);
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.inout .arrow .line {
  display: block;
  height: 1px;
  background: var(--color-hairline);
  margin: var(--space-2) 0;
  position: relative;
}
.inout .arrow .line:after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--color-hairline);
  border-right: 1px solid var(--color-hairline);
  transform: rotate(45deg);
}
.inout .private-stamp {
  margin-top: var(--space-3);
  font-family: var(--type-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Founders section */
.founders {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-5);
}
.founder {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-4);
  align-items: start;
}
.founder .portrait {
  width: 180px;
  height: 220px;
  overflow: hidden;
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-hairline);
}
.founder .portrait::after {
  content: "";
  position: absolute;
  left: -6px;
  top: -6px;
  width: 18px;
  height: 18px;
  border-top: 1px solid var(--color-accent);
  border-left: 1px solid var(--color-accent);
}
.founder .portrait::before {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 18px;
  height: 18px;
  border-bottom: 1px solid var(--color-accent);
  border-right: 1px solid var(--color-accent);
  z-index: 1;
}
.founder .portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.15) contrast(1.02);
  transition: filter 400ms ease;
}
.founder:hover .portrait img {
  filter: grayscale(0) contrast(1.05);
}
.founder figcaption {
  padding-top: var(--space-1);
}
.founder .founder-role {
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.founder h3 {
  font-family: var(--type-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: var(--space-2);
}
.founder figcaption p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 42ch;
  margin-bottom: var(--space-2);
}
.founder .founder-mail {
  font-family: var(--type-mono);
  font-size: 12px;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-hairline);
  padding-bottom: 2px;
  display: inline-block;
  margin-top: 4px;
  transition: border-color 200ms;
}
.founder .founder-mail:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* CTA section */
section.cta {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-7) 0;
}
section.cta h2 {
  font-family: var(--type-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.018em;
  max-width: 18ch;
  margin-bottom: var(--space-4);
}
section.cta h2 .accent { color: #E8A87C; font-style: italic; }
section.cta p {
  max-width: 50ch;
  font-size: 19px;
  color: rgba(244, 240, 232, 0.74);
  margin-bottom: var(--space-4);
}
section.cta .contacts {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: var(--space-3) var(--space-5);
  margin-top: var(--space-4);
  font-family: var(--type-mono);
  font-size: 14px;
}
section.cta .contacts a {
  color: var(--color-bg);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 240, 232, 0.3);
  padding-bottom: 2px;
}
section.cta .contacts a:hover { border-color: #E8A87C; color: #E8A87C; }
section.cta .contacts .role {
  font-family: var(--type-body);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 240, 232, 0.5);
  display: block;
  margin-bottom: 4px;
}

/* Footer */
footer {
  padding: var(--space-4) 0 var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-hairline);
}
footer .brand-mark {
  font-family: var(--type-display);
  font-size: 18px;
  color: var(--color-ink);
  font-weight: 500;
}
footer .brand-mark .accent { color: var(--color-accent); font-style: italic; }
footer ul {
  list-style: none;
  display: flex;
  gap: var(--space-3);
}
footer a { color: var(--color-muted); text-decoration: none; }
footer a:hover { color: var(--color-accent); }

/* Animations */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero .label, .hero h1, .hero .lede, .hero .actions {
  animation: rise 900ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero h1 { animation-delay: 80ms; }
.hero .lede { animation-delay: 180ms; }
.hero .actions { animation-delay: 280ms; }
.metrics .metric {
  animation: rise 900ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.metrics .metric:nth-child(1) { animation-delay: 360ms; }
.metrics .metric:nth-child(2) { animation-delay: 440ms; }
.metrics .metric:nth-child(3) { animation-delay: 520ms; }
.metrics .metric:nth-child(4) { animation-delay: 600ms; }

@keyframes draw {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}
.hero-graphic .draw-line {
  stroke-dasharray: 1000;
  animation: draw 2400ms cubic-bezier(0.65, 0, 0.35, 1) 200ms forwards;
}

/* Editor's note callout */
.editors-note {
  background: var(--color-accent-soft);
  border-left: 2px solid var(--color-accent);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-3);
  font-family: var(--type-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-ink);
  letter-spacing: 0.02em;
  max-width: 80ch;
}
.editors-note strong {
  display: block;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 10px;
  margin-bottom: 6px;
  color: var(--color-accent);
}

@media (max-width: 900px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics .metric:nth-child(2) { border-right: none; }
  .cards { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: none !important; }
  .triplet { grid-template-columns: 1fr; }
  .section-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .section-grid .col-meta { padding-top: 0; }
  .inout { grid-template-columns: 1fr; }
  .hero-graphic { display: none; }
  ul.benefits li { grid-template-columns: 1fr; }
  ul.benefits .name { padding-top: 0; margin-bottom: 6px; }
  nav.site-nav ul { gap: var(--space-2); }
  nav.site-nav .pill { display: none; }
  section.cta .contacts { grid-template-columns: 1fr; }
  .founders { grid-template-columns: 1fr; gap: var(--space-4); }
  .founder { grid-template-columns: 1fr; gap: var(--space-3); }
  .founder .portrait { width: 100%; max-width: 240px; height: 280px; }
}