:root {
  --teal-deep: #0F6E56;
  --teal-panel: #085041;
  --mint: #7BC96F;
  --mint-dark: #1F7A3D;
  --aqua: #2E9BD6;
  --aqua-deep: #1C7FB8;
  --ink: #14181A;
  --ink-soft: #4A5450;
  --paper: #FAFAF8;
  --paper-alt: #F0F4F1;
  --line: #DDE5E0;
  --clay: #C15F3C;

  --nav-bg: #0A0A0A;
  --nav-text: #F2F5F4;
  --nav-text-soft: #9BA6A2;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.section-inner {
  max-width: 1240px;
  width: 92%;
  margin: 0 auto;
  padding: 0;
}

/* NAV, solid black bar regardless of the section beneath it */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  border-bottom: 1px solid #1C1C1C;
}
.nav-inner {
  max-width: 1240px;
  width: 92%;
  margin: 0 auto;
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 1px;
  text-decoration: none;
  color: var(--nav-text);
}
.brand-icon { height: 36px; width: auto; display: block; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--nav-text-soft);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--mint); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--nav-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    border-bottom: 1px solid #1C1C1C;
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.open { max-height: 400px; }
  .nav-links a {
    padding: 14px 32px;
    border-top: 1px solid #1C1C1C;
    color: var(--nav-text);
  }
}

/* HERO */
.hero { padding: 96px 0 72px; }
.hero-inner {
  max-width: 1240px;
  width: 92%;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--teal-deep);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: 0 0 18px;
}
h1 {
  font-family: var(--font-display);
  font-size: 50px;
  line-height: 1.14;
  font-weight: 700;
  margin: 0 0 22px;
  letter-spacing: -0.5px;
  color: var(--ink);
}
.accent-text { color: var(--teal-deep); }
.lede {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--teal-deep);
  color: #fff;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(15,110,86,0.28); }
.btn-ghost {
  background: transparent;
  color: var(--teal-deep);
  border: 1.5px solid var(--teal-deep);
}
.btn-ghost:hover { background: rgba(15,110,86,0.06); }
.btn-large { padding: 16px 34px; font-size: 16px; }

.hero-visual { display: flex; justify-content: center; }
.mark { width: 100%; max-width: 340px; }
.traces path { stroke-dasharray: 10; animation: dash 6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -200; } }
.droplet { animation: pulse 3.2s ease-in-out infinite; transform-origin: 180px 180px; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.03); } }

.agent-orbit { animation: spin 8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.lock-pulse { animation: lockpulse 3s ease-in-out infinite; transform-origin: 298px 62px; }
@keyframes lockpulse { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }

.cost-line { animation: costdraw 3.5s ease-in-out infinite; stroke-dasharray: 60; stroke-dashoffset: 60; }
@keyframes costdraw { 0% { stroke-dashoffset: 60; } 40%,100% { stroke-dashoffset: 0; } }

.chip-blink-dot { animation: chipblink 2s ease-in-out infinite; }
@keyframes chipblink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

@media (prefers-reduced-motion: reduce) {
  .traces path, .droplet, .agent-orbit, .lock-pulse, .cost-line, .chip-blink-dot { animation: none; }
}

/* SECTION LABELS */
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--mint-dark);
  margin: 0 0 12px;
}
h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0 0 20px;
  max-width: 34ch;
  color: var(--ink);
}
.determinations-definition {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: -4px 0 32px;
}

/* JOB */
.job { padding: 64px 0; background: var(--teal-panel); }
.job .section-label { color: var(--mint); }
.job blockquote {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 24px;
  max-width: 100%;
  border-left: 3px solid var(--mint);
  padding-left: 24px;
  color: #fff;
}
.job-sub { color: rgba(255,255,255,0.78); max-width: 100%; font-size: 15.5px; }

/* SCENARIOS */
.signal { padding: 88px 0; background: var(--paper-alt); }
.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.signal-card {
  background:
    radial-gradient(circle, rgba(15,110,86,0.12) 1px, transparent 1px),
    var(--paper);
  background-size: 14px 14px;
  background-position: 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 22px;
  border-top: 3px solid var(--teal-deep);
}
.signal-card-highlight {
  background: linear-gradient(160deg, rgba(69,155,214,0.06) 0%, var(--paper) 60%);
  border-color: var(--aqua);
  border-top-color: var(--aqua);
}
.signal-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint-dark);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.signal-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  margin: 0 0 10px;
}
.signal-card p:last-child { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.signal-note {
  margin-top: 36px;
  font-size: 14.5px;
  color: var(--ink-soft);
  max-width: 100%;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

/* DETERMINATIONS */
.determinations { padding: 88px 0; }
.det-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.det-card {
  background:
    radial-gradient(circle, rgba(15,110,86,0.10) 1px, transparent 1px),
    var(--paper-alt);
  background-size: 14px 14px;
  background-position: 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 22px;
}
.det-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  margin: 16px 0 8px;
  color: var(--ink);
}
.det-card p { font-size: 14px; color: var(--ink-soft); margin: 0; }
.det-card-water {
  background: linear-gradient(160deg, #E6F4FB 0%, var(--paper-alt) 60%);
  border-color: var(--aqua);
}
.det-icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--teal-deep);
  position: relative;
}
.det-icon[data-icon="water"] { background: var(--aqua); }
.determinations-deploy {
  margin-top: 36px;
  font-size: 14.5px;
  color: var(--ink-soft);
  max-width: 100%;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

/* WATER STORY */
.water-story { padding: 88px 0; background: var(--paper-alt); }
.water-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.water-copy p { color: var(--ink-soft); font-size: 15.5px; max-width: 54ch; }
.water-visual { display: flex; justify-content: center; }
.big-drop { width: 100%; max-width: 220px; }

/* INDUSTRIES */
.industries { padding: 88px 0; background: var(--paper-alt); }
.industries-sub { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 36px; }
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}
.industry-card {
  background:
    radial-gradient(circle, rgba(15,110,86,0.12) 1px, transparent 1px),
    var(--paper);
  background-size: 14px 14px;
  background-position: 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 20px;
  border-top: 3px solid var(--teal-deep);
}
.industry-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  margin: 0 0 10px;
}
.industry-card p:last-child { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.industries-note {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  font-style: italic;
}

/* LEDGER */
.ledger { padding: 88px 0; }
.ledger-sub { color: var(--ink-soft); max-width: 60ch; font-size: 15.5px; margin-bottom: 36px; }
.ledger-card {
  background: #0D1B18;
  border-radius: 14px;
  overflow: hidden;
  max-width: 620px;
  box-shadow: 0 20px 48px rgba(13,27,24,0.18);
}
.ledger-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: #142621;
  border-bottom: 1px solid #1F3A33;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #E15C5C; } .dot-amber { background: #E1B15C; } .dot-green { background: var(--mint); }
.ledger-title { font-family: var(--font-mono); font-size: 12.5px; color: #9FBDB5; margin-left: 8px; }
.ledger-body { padding: 18px 20px; font-family: var(--font-mono); font-size: 14px; }
.ledger-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed rgba(159,189,181,0.15); }
.ledger-row:last-child { border-bottom: none; }
.ledger-key { color: #9FBDB5; }
.ledger-val { color: #EAF6FC; font-weight: 500; }
.val-ok { color: #8FE3B0; }
.val-block { color: #F2B98A; }
.val-muted { color: #6E8A82; font-style: italic; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 44px;
  max-width: 780px;
}
.stat-num { font-family: var(--font-display); font-size: 30px; font-weight: 700; color: var(--teal-deep); display: block; }
.stat-label { font-size: 13px; color: var(--ink-soft); }

/* OFFER */
.offer { padding: 88px 0; background: var(--paper-alt); }
.offer-sub { color: var(--ink-soft); max-width: 62ch; font-size: 15.5px; margin-bottom: 40px; }
.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.offer-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
}
.offer-card h3 { font-family: var(--font-display); font-size: 19px; margin: 0 0 6px; color: var(--ink); }
.offer-timeline { font-family: var(--font-mono); font-size: 12.5px; color: var(--mint-dark); margin: 0 0 14px; }
.offer-desc { font-size: 14px; color: var(--ink-soft); min-height: 66px; }
.offer-price { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--teal-deep); margin: 12px 0 0; }
.offer-price-link { color: var(--teal-deep); text-decoration: none; }
.offer-price-link:hover { text-decoration: underline; }
.offer-card-featured { border: 2px solid var(--teal-deep); }
.offer-badge {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: #fff; background: var(--teal-deep); display: inline-block; padding: 4px 10px; border-radius: 20px; margin-bottom: 12px;
}
.offer-guarantee { margin-top: 32px; font-size: 14px; color: var(--ink-soft); max-width: 100%; border-top: 1px solid var(--line); padding-top: 24px; }
.offer-cta { display: inline-block; margin-top: 24px; }

/* FOUNDER */
.founder { padding: 88px 0; }
.founder-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 48px;
  align-items: start;
}
.founder-copy p { color: var(--ink-soft); font-size: 15px; max-width: 62ch; margin: 0 0 18px; }
.founder-copy em { color: var(--ink); font-style: italic; }
.founder-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.founder-credentials { display: flex; flex-direction: column; gap: 14px; }
.credential-card {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
}
.credential-label { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); margin: 0 0 6px; text-transform: uppercase; letter-spacing: 1px; }
.credential-value { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--teal-deep); margin: 0; }
.credential-note { font-size: 12.5px; color: var(--ink-soft); margin: 10px 0 0; line-height: 1.5; }

/* CONTACT */
.contact { padding: 96px 0; text-align: center; }
.contact-inner { max-width: 640px; }
.contact h2 { margin: 0 auto 14px; }
.contact p { color: var(--ink-soft); margin-bottom: 32px; }

/* CLOSING QUOTE */
.closing-quote { padding: 72px 0; background: var(--teal-panel); }
.closing-quote-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.closing-tagline {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--mint);
  margin: 0 0 28px;
}
.closing-blockquote {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
  color: #fff;
  margin: 0 0 20px;
}
.closing-attribution {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin: 0;
}

/* FOOTER */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; background: var(--paper); }
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
}

.grain { display: none; }

/* RESPONSIVE */
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 260px; margin: 0 auto; }
  .det-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-grid { grid-template-columns: 1fr; }
  .water-inner { grid-template-columns: 1fr; }
  .water-visual { order: -1; }
  .offer-grid { grid-template-columns: 1fr; }
  .founder-inner { grid-template-columns: 1fr; }
  .founder-credentials { flex-direction: row; flex-wrap: wrap; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
}