:root {
  color-scheme: light;
  --bg: #eee5d8;
  --bg-2: #e6dac8;
  --card: rgba(255, 251, 245, 0.86);
  --ink: #101311;
  --ink-soft: #4d544d;
  --line: rgba(16, 19, 17, 0.14);
  --line-strong: rgba(16, 19, 17, 0.28);
  --dark: #111513;
  --dark-2: #181e1b;
  --dark-ink: #f1ebdf;
  --dark-soft: rgba(241, 235, 223, 0.72);
  --dark-line: rgba(241, 235, 223, 0.12);
  --accent: #7a9150;
  --accent-strong: #55683d;
  --warn: #a86335;
  --radius: 14px;
  --radius-tight: 10px;
  --shadow: 0 2px 4px rgba(16, 19, 17, 0.04), 0 8px 24px rgba(16, 19, 17, 0.06);
  --max-width: 1080px;
  --sans: "IBM Plex Sans", "Aptos", "Segoe UI", sans-serif;
  --display: "Avenir Next Condensed", "Arial Narrow", "Franklin Gothic Medium", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", "Consolas", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(122, 145, 80, 0.1), transparent 28%),
    linear-gradient(180deg, #f3ebdf 0%, var(--bg) 36%, var(--bg-2) 100%);
  font-family: var(--sans);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header,
.section,
.site-footer {
  width: min(calc(100% - clamp(2rem, 4vw, 5rem)), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  backdrop-filter: blur(14px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-bottom: 1px solid rgba(16, 19, 17, 0.08);
  background: linear-gradient(180deg, rgba(243, 235, 223, 0.86), rgba(243, 235, 223, 0.56));
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-family: var(--display);
  font-size: 1.28rem;
  line-height: 0.95;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-tag {
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section {
  padding: clamp(3rem, 5vw, 4rem) 0;
}

.eyebrow,
.card-kicker,
.stack-label {
  margin: 0 0 0.4rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow-dark {
  color: var(--dark-soft);
}

.hero {
  padding-top: clamp(2.5rem, 4vw, 3.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  gap: 2.5rem;
  align-items: start;
}

.section-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 2rem;
  max-width: 40rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 1.1fr);
  gap: 1.5rem;
  align-items: start;
}

.hero-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 0.92;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero-lead,
.section-copy,
.hero-note,
.contact-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}

.hero-lead {
  max-width: 30rem;
  margin-top: 0.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero-note {
  margin: 1.25rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid var(--line-strong);
  max-width: 36ch;
  font-size: 0.92rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.button-primary {
  background: var(--ink);
  color: var(--dark-ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-strong);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.3);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--ink);
}

.button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.card,
.live-card,
.surface-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.card {
  padding: 1.25rem;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
}

.card-head h2,
.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(122, 145, 80, 0.34);
  animation: pulse 2.3s infinite;
}

.status-pill[data-state="review"] .status-dot {
  background: var(--warn);
}

.status-pill[data-state="offline"] .status-dot {
  background: #8c4b42;
}

.facts {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0 0;
}

.facts div {
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.facts dt {
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.facts dd {
  margin: 0.22rem 0 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.subsection {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.subsection-title {
  margin: 0 0 0.4rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.plain-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.plain-list li + li {
  margin-top: 0.5rem;
}

.three-up {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.simple-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: 1.4rem;
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.simple-card p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

.index {
  margin: 0 0 0.75rem;
  color: var(--warn);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}

.thesis-section {
  padding-top: 0;
  padding-bottom: 1rem;
}

.thesis {
  margin: 0;
  padding: 0 0 0 1.25rem;
  border-left: 2px solid var(--accent);
  max-width: 38rem;
}

.thesis-lead {
  margin: 0 0 0.7rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.thesis-body {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.6;
}

.stack-section {
  padding-top: clamp(2rem, 4vw, 3rem);
}

.stack-shell {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--dark-line);
  border-radius: calc(var(--radius) + 2px);
  background: linear-gradient(180deg, var(--dark-2), var(--dark));
  color: var(--dark-ink);
  box-shadow: 0 4px 12px rgba(10, 14, 13, 0.12), 0 16px 40px rgba(10, 14, 13, 0.1);
}

.stack-head {
  display: grid;
  gap: 0.5rem;
  max-width: 40rem;
}

.section-copy-dark {
  color: var(--dark-soft);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.stack-item {
  padding: 1.1rem;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-tight);
  background: rgba(255, 255, 255, 0.03);
}

.stack-label {
  color: var(--dark-soft);
}

.stack-item p:last-child {
  margin: 0;
  color: var(--dark-soft);
}

.surface-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.surface-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.3rem;
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.surface-card p {
  margin: 0;
}

.surface-lead {
  margin-top: 0.6rem;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.55;
}

.surface-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.surface-actions .button {
  min-height: 2.85rem;
}

.how-it-works {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.how-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.5;
}

.how-label {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
}

.history-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.history-item {
  display: grid;
  gap: 0.35rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.history-item:hover .history-headline {
  color: var(--accent-strong);
}

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.history-date {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.history-state {
  min-height: 1.7rem;
  padding: 0.22rem 0.56rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(16, 19, 17, 0.02);
  color: var(--ink-soft);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.history-state[data-state="improved"] {
  border-color: rgba(122, 145, 80, 0.28);
  background: rgba(122, 145, 80, 0.12);
  color: var(--accent-strong);
}

.history-state[data-state="published"] {
  border-color: rgba(122, 145, 80, 0.24);
  background: rgba(122, 145, 80, 0.08);
  color: var(--accent-strong);
}

.history-state[data-state="review"] {
  border-color: rgba(168, 99, 53, 0.24);
  color: #844b21;
}

.history-state[data-state="offline"] {
  border-color: rgba(140, 75, 66, 0.28);
  color: #70352c;
}

.history-headline {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--ink);
}

.contact-card {
  min-height: 100%;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-tight);
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
}

.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(122, 145, 80, 0.24);
  border-color: var(--accent);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(122, 145, 80, 0.42);
  }

  70% {
    box-shadow: 0 0 0 12px rgba(122, 145, 80, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(122, 145, 80, 0);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .surface-pair {
    grid-template-columns: 1fr;
  }

  .how-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .three-up,
  .stack-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header,
  .section,
  .site-footer {
    width: min(calc(100% - 1.5rem), var(--max-width));
  }

  .site-header {
    position: static;
    flex-direction: column;
    align-items: start;
  }

  .site-nav {
    justify-content: start;
  }

  .section {
    padding: 2.5rem 0;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 12vw, 3.5rem);
  }

  .card-head,
  .site-footer {
    flex-direction: column;
    align-items: start;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .how-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}