/* Merista — operated robotic portioning */

:root {
  --ink: #14181C;
  --ink-2: #2A2F36;
  --muted: #6B7785;
  --muted-2: #98A2AD;
  --steel: #2B4C6F;
  --steel-2: #1F3A57;
  --accent: #C8531F;
  --accent-2: #B0451A;
  --bg: #F6F7F8;
  --bg-2: #EEF2F5;
  --panel: #FFFFFF;
  --rule: #D5DBE0;
  --rule-2: #E5E9ED;
  --hair: rgba(20, 24, 28, 0.08);
  --grid: rgba(43, 76, 111, 0.06);

  --f-display: 'Inter Tight', 'Inter', system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --f-body: 'Inter', system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --maxw: 1240px;
  --pad: 40px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11", "tnum";
  font-size: 16px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; padding: 0; color: inherit; }

/* ---------- Layout ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

section {
  position: relative;
  padding: 96px 0;
  border-top: 1px solid var(--rule);
}

section:first-of-type { border-top: none; }

.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: baseline;
  margin-bottom: 56px;
}

.section-marker {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-marker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--muted);
}

.section-title {
  font-family: var(--f-display);
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  max-width: 22ch;
}

.section-intro {
  font-size: 18px;
  color: var(--ink-2);
  max-width: 60ch;
  margin: 20px 0 0;
  line-height: 1.55;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 248, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav.scrolled {
  border-bottom-color: var(--rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 17px;
  color: var(--ink);
}
.brand-mark {
  width: 22px; height: 22px;
  position: relative;
  display: inline-block;
}
.brand-mark::before, .brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--steel);
}
.brand-mark::before {
  clip-path: polygon(0 0, 100% 0, 100% 50%, 0 50%);
}
.brand-mark::after {
  clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);
  transform: translateX(4px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 13.5px;
  color: var(--ink-2);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--steel); }

.nav-cta {
  font-size: 13.5px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--panel);
  transition: all 0.15s ease;
}
.nav-cta:hover { border-color: var(--ink); }
.nav-cta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--f-body);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: 999px;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 4px 12px rgba(200, 83, 31, 0.18);
}
.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 8px 18px rgba(200, 83, 31, 0.24);
}
.btn-primary .arr {
  width: 14px; height: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.18s ease;
}
.btn-primary:hover .arr { transform: translateX(3px); }

.btn-ghost {
  color: var(--ink);
  padding: 14px 4px;
}
.btn-ghost::after {
  content: "→";
  margin-left: 4px;
  transition: transform 0.18s ease;
}
.btn-ghost:hover::after { transform: translateX(3px); }

/* ---------- Hero ---------- */

.hero {
  padding: 140px 0 80px;
  border-top: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: start;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  padding: 6px 12px 6px 8px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--panel);
}
.hero-eyebrow .tag {
  font-family: var(--f-mono);
  font-size: 10px;
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
}

.hero h1 {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(44px, 6.2vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  color: var(--ink);
  text-wrap: balance;
}

.hero h1 .under {
  position: relative;
  display: inline-block;
}

.hero-sub {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 36px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 64px;
}

.hero-meta {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Hero visual */

.hero-visual {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 22px;
  overflow: hidden;
  min-height: 540px;
  display: flex;
  flex-direction: column;
}

.hv-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--rule);
}
.hv-head .label {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hv-head .live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
}
.hv-head .live .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.hv-stage {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 0;
}

.hv-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}
.hv-foot .cell {
  padding: 4px 12px;
  border-right: 1px solid var(--rule-2);
}
.hv-foot .cell:last-child { border-right: none; }
.hv-foot .cell:first-child { padding-left: 0; }
.hv-foot .k {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.hv-foot .v {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.hv-foot .v .unit {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  margin-left: 4px;
}

/* Proof strip */

.proof-strip {
  margin-top: 48px;
  padding: 24px 28px;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.proof-strip-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.proof-strip-head .src {
  background: var(--bg-2);
  padding: 3px 8px;
  border-radius: 3px;
  color: var(--ink-2);
}
.proof-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.proof-strip-grid .cell {
  padding: 0 24px;
  border-left: 1px solid var(--rule-2);
}
.proof-strip-grid .cell:first-child { padding-left: 0; border-left: none; }
.proof-strip-grid .num {
  font-family: var(--f-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--steel);
  line-height: 1;
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}
.proof-strip-grid .num .small {
  font-size: 18px;
  color: var(--muted);
  margin-right: 2px;
}
.proof-strip-grid .lbl {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.35;
}

/* ---------- Problem cards ---------- */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.problem-card {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}
.problem-card .num {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}
.problem-card .icon {
  margin-bottom: 24px;
  height: 36px;
  display: flex;
  align-items: center;
}
.problem-card h3 {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
  color: var(--ink);
  line-height: 1.25;
}
.problem-card p {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.55;
}

.bridge {
  margin-top: 56px;
  padding: 28px 32px;
  border-left: 2px solid var(--accent);
  background: var(--panel);
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 60ch;
  line-height: 1.35;
}

/* ---------- Product / Diagram ---------- */

.product-lead {
  max-width: 70ch;
  font-size: 18px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0 0 56px;
}

.diagram {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 36px 32px 24px;
  position: relative;
}
.diagram-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--rule);
}
.diagram-head .ttl {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.diagram-head .key {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.diagram-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-bottom: 32px;
}
.df-step {
  padding: 8px 16px 8px 0;
  position: relative;
  cursor: default;
  transition: background 0.15s ease;
}
.df-step + .df-step { padding-left: 16px; border-left: 1px solid var(--rule-2); }
.df-step:hover .df-num { color: var(--accent); }

.df-num {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  transition: color 0.15s ease;
}
.df-icon {
  height: 56px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}
.df-name {
  font-family: var(--f-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.df-desc {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}

.diagram-foot {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  padding-top: 20px;
  gap: 0;
}
.diagram-foot .spec {
  padding: 0 18px;
  border-left: 1px solid var(--rule-2);
}
.diagram-foot .spec:first-child { padding-left: 0; border-left: none; }
.diagram-foot .k {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.diagram-foot .k .tag {
  background: var(--bg-2);
  color: var(--steel);
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 9px;
  letter-spacing: 0.06em;
}
.diagram-foot .v {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.diagram-foot .v .unit {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--muted);
  margin-left: 4px;
}

.envelope {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 56px;
}
.envelope h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.envelope ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.envelope li {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-2);
  font-size: 15px;
  color: var(--ink-2);
  display: flex;
  gap: 14px;
  align-items: baseline;
}
.envelope li:last-child { border-bottom: none; }
.envelope li::before {
  content: "→";
  color: var(--steel);
  font-family: var(--f-mono);
  font-size: 12px;
  flex-shrink: 0;
}

.honesty {
  margin-top: 56px;
  padding: 28px 32px;
  border-left: 2px solid var(--steel);
  background: var(--bg-2);
  font-family: var(--f-display);
  font-size: 20px;
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 70ch;
  line-height: 1.4;
}

/* ---------- Team / REMY ---------- */

.team-section {
  background: var(--ink);
  color: #fff;
}
.team-section .section-marker { color: rgba(255,255,255,0.5); }
.team-section .section-marker::before { background: rgba(255,255,255,0.5); }
.team-section .section-title { color: #fff; }
.team-section .section-intro { color: rgba(255,255,255,0.75); }

.heritage-tag {
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  margin-bottom: 56px;
}
.heritage-tag .src-tag {
  background: rgba(255,255,255,0.1);
  padding: 2px 8px;
  border-radius: 3px;
  color: rgba(255,255,255,0.85);
  font-size: 10px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 56px;
  border-top: 1px solid rgba(255,255,255,0.14);
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.metric {
  padding: 36px 24px;
  border-left: 1px solid rgba(255,255,255,0.08);
}
.metric:first-child { border-left: none; padding-left: 0; }
.metric:last-child { padding-right: 0; }
.metric .src {
  font-family: var(--f-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.metric .big {
  font-family: var(--f-display);
  font-size: 56px;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin-bottom: 14px;
  color: #fff;
  font-feature-settings: "tnum";
}
.metric .big .pre {
  font-size: 24px;
  color: rgba(255,255,255,0.55);
  margin-right: 2px;
  vertical-align: 6px;
}
.metric .big .unit {
  font-size: 22px;
  color: rgba(255,255,255,0.6);
  margin-left: 2px;
  letter-spacing: -0.01em;
}
.metric .lbl {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.4;
}

.bridge-dark {
  margin-top: 56px;
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.015em;
  color: rgba(255,255,255,0.92);
  max-width: 70ch;
  line-height: 1.4;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
}

.founder-line {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  font-family: var(--f-mono);
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
}
.founder-line .lbl {
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.founder-line .txt {
  color: rgba(255,255,255,0.78);
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.55;
  letter-spacing: 0;
}
.founder-line .txt strong {
  color: #fff;
  font-weight: 500;
}

/* ---------- Reliability ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--panel);
  margin-top: 16px;
}
.split-col {
  padding: 32px 36px;
  position: relative;
}
.split-col + .split-col { border-left: 1px solid var(--rule); }
.split-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 20px;
}
.split-head h4 {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.split-head .tag {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.split-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.split-col li {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-2);
  font-size: 14.5px;
  color: var(--ink-2);
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: baseline;
}
.split-col li:last-child { border-bottom: none; }
.split-col li .idx {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.split-col.merista { background: var(--bg-2); }

.risk-line {
  margin-top: 40px;
  padding: 24px 0;
  text-align: center;
  font-family: var(--f-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--ink);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.risk-line .accent { color: var(--accent); }

/* ---------- Economics / Calculator ---------- */

.calc-lead {
  max-width: 70ch;
  font-size: 18px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0 0 48px;
}

.calc {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 36px 36px 32px;
}

.calc-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--rule);
}
.calc-head .ttl {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.calc-head .illus {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.calc-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
}

.shift-toggle {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shift-toggle .label {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.shift-btn {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  text-align: left;
  transition: all 0.15s ease;
}
.shift-btn:hover { border-color: var(--steel); }
.shift-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.shift-btn .n {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.shift-btn .t {
  font-size: 13.5px;
  color: var(--ink-2);
}
.shift-btn.active .t { color: rgba(255,255,255,0.7); }
.shift-btn .h {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.shift-btn.active .h { color: rgba(255,255,255,0.5); }

.calc-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.calc-num {
  padding: 24px 28px;
  border-left: 1px solid var(--rule-2);
}
.calc-num:first-child { padding-left: 0; border-left: none; }
.calc-num .k {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.calc-num .v {
  font-family: var(--f-display);
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
  font-feature-settings: "tnum";
  transition: color 0.2s ease;
}
.calc-num .v .ccy {
  font-size: 22px;
  color: var(--muted);
  margin-right: 2px;
  vertical-align: 4px;
}
.calc-num .v .unit {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-left: 6px;
}
.calc-num .sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  font-family: var(--f-mono);
  letter-spacing: 0.04em;
}
.calc-num.net .v { color: var(--steel); }
.calc-num.net .label-tag {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--accent);
  border-radius: 3px;
}

.calc-disclaimer {
  margin-top: 24px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.value-buckets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.bucket {
  padding: 24px 0 0;
  border-top: 1px solid var(--ink);
}
.bucket .k {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.bucket h4 {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
  color: var(--ink);
}
.bucket p {
  font-size: 13.5px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.5;
}

.commercial-note {
  margin-top: 48px;
  padding: 24px 28px;
  background: var(--bg-2);
  border-radius: 4px;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 80ch;
}
.commercial-note strong { color: var(--ink); font-weight: 500; }

/* ---------- Hygiene ---------- */

.hygiene-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--panel);
}
.hyg-row {
  display: grid;
  grid-template-columns: 60px 200px 1fr;
  gap: 0;
  padding: 24px 28px;
  border-bottom: 1px solid var(--rule-2);
  border-right: 1px solid var(--rule-2);
  align-items: baseline;
}
.hyg-row:nth-child(even) { border-right: none; }
.hyg-row .idx {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.hyg-row .k {
  font-family: var(--f-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.hyg-row .v {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.5;
  padding-left: 18px;
  border-left: 1px solid var(--rule-2);
}

.compliance-note {
  margin-top: 32px;
  font-size: 13.5px;
  color: var(--muted);
  font-family: var(--f-mono);
  letter-spacing: 0.02em;
  line-height: 1.6;
  max-width: 80ch;
}
.compliance-note strong { color: var(--ink-2); }

/* ---------- Design Partner ---------- */

.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 56px;
  border: 1px solid var(--rule);
  background: var(--panel);
}
.partner-col {
  padding: 36px 36px 40px;
}
.partner-col + .partner-col { border-left: 1px solid var(--rule); }
.partner-col h4 {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
}
.partner-col h4 .badge {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: 3px;
  text-transform: uppercase;
}
.partner-col.fit h4 .badge {
  background: rgba(43, 76, 111, 0.1);
  color: var(--steel);
}
.partner-col.notyet h4 .badge {
  background: rgba(20, 24, 28, 0.06);
  color: var(--muted);
}
.partner-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.partner-col li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-2);
  font-size: 14.5px;
  color: var(--ink-2);
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: baseline;
  line-height: 1.5;
}
.partner-col li:last-child { border-bottom: none; }
.partner-col.fit li .mk {
  color: var(--steel);
  font-family: var(--f-mono);
  font-size: 14px;
}
.partner-col.notyet li .mk {
  color: var(--muted-2);
  font-family: var(--f-mono);
  font-size: 12px;
}

.gets {
  margin-top: 56px;
  border-top: 1px solid var(--ink);
  padding-top: 32px;
}
.gets h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 24px;
}
.gets-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.get {
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}
.get .n {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.get .t {
  font-family: var(--f-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.3;
}

/* ---------- Vision ---------- */

.vision-section {
  background: var(--bg-2);
}
.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.vision-text {
  font-family: var(--f-display);
  font-size: 26px;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--ink);
  max-width: 30ch;
  font-weight: 400;
}
.vision-bridge {
  margin-top: 32px;
  font-family: var(--f-body);
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.55;
  letter-spacing: 0;
}

.vision-visual {
  height: 360px;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Ask / CTA ---------- */

.ask-section {
  background: var(--ink);
  color: #fff;
}
.ask-section .section-marker { color: rgba(255,255,255,0.5); }
.ask-section .section-marker::before { background: rgba(255,255,255,0.5); }
.ask-section .section-title { color: #fff; max-width: 26ch; }

.ask-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}

.ask-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  line-height: 1.55;
  max-width: 50ch;
  margin: 0 0 40px;
}

.cred-line {
  margin-top: 32px;
  padding: 20px 24px;
  border-left: 2px solid var(--accent);
  background: rgba(255,255,255,0.04);
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 1.55;
}
.cred-line .src {
  font-family: var(--f-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.form-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 32px;
}
.form-card .form-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(255,255,255,0.14);
  margin-bottom: 24px;
}
.form-card .form-head .ttl {
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.form-card .form-head .est {
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}

.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-family: var(--f-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.field input, .field select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.18);
  padding: 8px 0;
  font-family: var(--f-body);
  font-size: 15px;
  color: #fff;
  outline: none;
  transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus { border-bottom-color: var(--accent); }
.field input::placeholder { color: rgba(255,255,255,0.3); }
.field select { appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='rgba(255,255,255,0.5)' fill='none' stroke-width='1.2'/></svg>"); background-repeat: no-repeat; background-position: right 4px center; }
.field select option { background: var(--ink); color: #fff; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-actions {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.form-actions .alt {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}
.form-actions .alt a {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  transition: border-color 0.15s ease;
}
.form-actions .alt a:hover { border-bottom-color: var(--accent); }

.form-success {
  display: none;
  padding: 24px;
  text-align: center;
}
.form-success.show { display: block; }
.form-success .ck {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
}
.form-success p {
  font-size: 15px;
  color: rgba(255,255,255,0.9);
  margin: 0;
  line-height: 1.5;
}

/* ---------- Footer ---------- */

.footer {
  padding: 56px 0 40px;
  background: #0E1115;
  color: rgba(255,255,255,0.6);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer .brand-mark::before, .footer .brand-mark::after { border-color: rgba(255,255,255,0.7); }
.footer .brand { color: #fff; margin-bottom: 16px; }
.footer .desc {
  font-size: 13.5px;
  color: rgba(255,255,255,0.6);
  line-height: 1.55;
  max-width: 32ch;
}
.footer .heritage {
  margin-top: 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.footer h5 {
  font-family: var(--f-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { padding: 5px 0; }
.footer a {
  font-size: 13.5px;
  color: rgba(255,255,255,0.7);
  transition: color 0.15s ease;
}
.footer a:hover { color: #fff; }

.footer-bot {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.04em;
}

/* ---------- Floating CTA ---------- */

.float-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.float-cta.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.float-cta .btn {
  padding: 12px 18px;
  font-size: 13.5px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.12), 0 1px 0 rgba(0,0,0,0.04);
}

/* ---------- Bg grid hero accent ---------- */

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at top right, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 60%);
  -webkit-mask-image: radial-gradient(ellipse at top right, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 60%);
  pointer-events: none;
}
.hero > .wrap { position: relative; z-index: 1; }

/* ---------- Responsive (basic) ---------- */

@media (max-width: 980px) {
  .hero-grid, .ask-grid, .vision-grid, .calc-body, .envelope, .split, .partner-grid, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .section-head { grid-template-columns: 1fr; gap: 16px; }
  .problem-grid, .proof-strip-grid, .metrics-grid, .diagram-flow, .diagram-foot, .calc-numbers, .value-buckets, .hygiene-list, .gets-grid, .form-row { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 96px; }
  section { padding: 64px 0; }
}