gpu/single-gpu/home_benjamin_hdbasin/code/web/src/styles.css

:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fff2e8;
  color: #261417;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --bg: #fff2e8;
  --panel: #fff8f1;
  --panel-soft: #ffe4d5;
  --text: #261417;
  --muted: #7d5f5a;
  --border: #e9bfae;
  --border-strong: #d98264;
  --copper: #c45f59;
  --copper-deep: #9f3544;
  --amber: #f58552;
  --peach: #f4a077;
  --terracotta: #d97356;
  --cream: #fff2e8;
  --cream-bright: #fffaf2;
  --cta: #fff7e8;
  --cta-text: #4b1720;
  --smoke: #9d817a;
  --charcoal: #241113;
  --wine: #7f2538;
  --shadow: 0 30px 80px rgba(77, 20, 31, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 20%, rgba(245, 133, 82, 0.92), transparent 33%),
    radial-gradient(circle at 46% 52%, rgba(217, 115, 86, 0.62), transparent 32%),
    radial-gradient(circle at 14% 18%, rgba(159, 53, 68, 0.95), transparent 34%),
    linear-gradient(180deg, #7e263a 0, #9f3544 42%, #d97356 64%, #f4a077 78%, #fff2e8 1020px, #fff2e8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    repeating-radial-gradient(ellipse at 74% 15%, rgba(255, 226, 205, 0.12) 0 1px, transparent 1px 34px),
    repeating-radial-gradient(ellipse at 28% 56%, rgba(255, 226, 205, 0.1) 0 1px, transparent 1px 38px),
    linear-gradient(90deg, rgba(88, 20, 34, 0.36), transparent 42%, rgba(255, 153, 99, 0.16));
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

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

.app {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 22px 0 180px;
}

.topbar,
.brand,
.topbar nav,
.primary,
.secondary,
.ghost,
.dropzone,
.action-strip,
.footer {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  min-height: 48px;
  gap: 18px;
}

.brand {
  gap: 10px;
  color: #fff7ee;
  font-weight: 760;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 235, 220, 0.5);
  border-radius: 4px;
  color: #7f2538;
  background: linear-gradient(135deg, #fff2e8, #f4a077);
  font-size: 12px;
}

.topbar nav {
  gap: 24px;
  color: rgba(255, 247, 238, 0.76);
  font-size: 14px;
}

.topbar nav a:hover {
  color: #ffffff;
}

.primary,
.secondary,
.ghost {
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 720;
}

.primary {
  border: 1px solid rgba(255, 250, 242, 0.86);
  color: var(--cta-text);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 247, 232, 0.96) 58%, rgba(255, 218, 191, 0.92)),
    var(--cta);
  box-shadow: 0 18px 42px rgba(91, 20, 34, 0.28);
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 52px rgba(91, 20, 34, 0.34);
}

.secondary,
.ghost {
  border: 1px solid rgba(255, 230, 211, 0.48);
  color: #fff8f1;
  background: rgba(255, 242, 232, 0.1);
  backdrop-filter: blur(14px);
}

.secondary.compact {
  padding: 8px 12px;
}

.primary.compact {
  padding: 9px 13px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(430px, 0.92fr);
  gap: 46px;
  align-items: center;
  min-height: calc(100vh - 92px);
  padding: 44px 0 58px;
}

.hero::before {
  content: "";
  position: absolute;
  left: -18vw;
  bottom: -18px;
  width: 62vw;
  height: 210px;
  pointer-events: none;
  opacity: 0.46;
  background:
    repeating-radial-gradient(ellipse at 50% 100%, transparent 0 13px, rgba(255, 204, 171, 0.32) 14px 15px, transparent 16px 26px),
    linear-gradient(180deg, transparent, rgba(244, 160, 119, 0.18));
  mask-image: linear-gradient(90deg, #000, transparent 85%);
}

.hero-copy {
  position: relative;
}

.hero-copy::after {
  content: "βₖ = rank(∂ₖ) − rank(∂ₖ₊₁)";
  display: block;
  margin: 62px 0 0 clamp(130px, 17vw, 230px);
  color: rgba(255, 219, 194, 0.7);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 580px;
  margin: 0;
  color: var(--cream-bright);
  text-shadow: 0 18px 48px rgba(47, 9, 18, 0.32);
  font-size: clamp(50px, 8vw, 88px);
  font-weight: 820;
  letter-spacing: 0;
  line-height: 1.01;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 14px;
  border: 0;
  border-radius: 4px;
  padding: 0;
  color: #f4a077;
  background: transparent;
  font-size: 13px;
  font-weight: 820;
  line-height: 1.1;
  text-transform: uppercase;
}

.subhead {
  max-width: 620px;
  margin: 18px 0 0;
  color: #fff0da;
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 790;
  line-height: 1.2;
}

.hero-copy p:not(.subhead):not(.eyebrow) {
  max-width: 600px;
  margin: 18px 0 0;
  color: rgba(255, 250, 242, 0.93);
  font-size: 16px;
  line-height: 1.68;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.runner-card,
.flow-step,
.evidence-panel,
.price-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255, 248, 241, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.runner-card,
.evidence-panel,
.price-card {
  position: relative;
}

.runner-card::before,
.evidence-panel::before,
.price-card::before {
  content: "";
  position: absolute;
  inset: 7px;
  pointer-events: none;
  border: 1px solid rgba(159, 53, 68, 0.16);
  border-radius: 3px;
}

.runner-card {
  border-color: rgba(255, 223, 203, 0.7);
  background:
    linear-gradient(145deg, rgba(255, 248, 241, 0.96), rgba(255, 231, 216, 0.86)),
    rgba(255, 248, 241, 0.92);
  padding: 14px;
}

.basin-preview {
  overflow: hidden;
  border: 1px solid #e9bfae;
  border-radius: 6px;
  background: #ffe4d5;
}

.basin-surface,
.contour-map {
  position: relative;
  min-height: 160px;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(255, 242, 232, 0.54) 0 1px, transparent 1px 20px),
    repeating-linear-gradient(45deg, transparent 0 48px, rgba(127, 37, 56, 0.14) 48px 49px, transparent 49px 96px),
    radial-gradient(ellipse at 78% 48%, rgba(159, 53, 68, 0.86), transparent 28%),
    radial-gradient(ellipse at 30% 42%, rgba(244, 160, 119, 0.94), transparent 32%),
    linear-gradient(135deg, #ffd4bf, #f58552 58%, #c45f59);
}

.compact-basin .basin-surface {
  min-height: 86px;
}

.compact-basin .basin-point {
  padding: 4px 7px;
  font-size: 10px;
}

.basin-surface::before,
.contour-map::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(ellipse at 34% 38%, transparent 0 10%, rgba(255, 248, 241, 0.44) 10.5% 11.5%, transparent 12% 18%, rgba(255, 248, 241, 0.31) 18.5% 19.5%, transparent 20% 28%),
    radial-gradient(ellipse at 72% 60%, transparent 0 8%, rgba(255, 248, 241, 0.42) 8.5% 9.5%, transparent 10% 17%, rgba(255, 248, 241, 0.28) 17.5% 18.5%, transparent 19% 27%);
  transform: rotate(-10deg);
}

.basin-surface::after,
.contour-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 24%, rgba(255, 242, 232, 0.24) 24% 25%, transparent 25% 49%, rgba(255, 242, 232, 0.2) 49% 50%, transparent 50% 74%, rgba(255, 242, 232, 0.18) 74% 75%, transparent 75%),
    linear-gradient(0deg, transparent 0 32%, rgba(127, 37, 56, 0.13) 32% 33%, transparent 33% 66%, rgba(127, 37, 56, 0.1) 66% 67%, transparent 67%);
}

.basin-point {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  padding: 5px 8px;
  color: #7f2538;
  background: rgba(255, 248, 241, 0.84);
  font-size: 12px;
  font-weight: 740;
  text-transform: uppercase;
}

.basin-point.start {
  top: 22px;
  left: 22px;
}

.basin-point.best {
  right: 30px;
  bottom: 26px;
}

.runner-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin: 14px 0 12px;
}

.runner-head h2,
.section-title h2 {
  margin: 0;
  color: var(--text);
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: 0;
}

.runner-head p,
.section-title p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.runner-head svg {
  flex: 0 0 auto;
  color: var(--copper);
}

.dropzone {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 13px;
  align-items: center;
  border: 1px solid rgba(159, 53, 68, 0.36);
  border-radius: 6px;
  padding: 16px;
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.92), rgba(255, 229, 211, 0.78)),
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(127, 47, 53, 0.06) 22px 23px);
  box-shadow: inset 0 0 0 1px rgba(255, 250, 242, 0.72);
}

.dropzone svg {
  flex: 0 0 auto;
  color: var(--copper);
}

.dropzone div {
  min-width: 0;
  flex: 1;
}

.dropzone strong,
.dropzone span {
  display: block;
}

.dropzone strong {
  overflow-wrap: anywhere;
  margin-bottom: 3px;
}

.dropzone span {
  color: var(--muted);
  font-size: 13px;
}

.file-control,
.sample-control {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid #d98264;
  border-radius: 6px;
  padding: 8px 11px;
  color: #5c2430;
  background: #fff8f1;
  font-size: 13px;
  font-weight: 720;
}

.file-control.primary-file {
  min-width: 92px;
  border-color: rgba(79, 23, 32, 0.18);
  padding: 11px 15px;
  color: var(--cta-text);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 232, 0.96) 64%, rgba(255, 213, 185, 0.88));
  box-shadow: 0 12px 28px rgba(91, 20, 34, 0.16);
  text-align: center;
}

.sample-control {
  cursor: pointer;
}

.file-control input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.form-grid label {
  display: grid;
  gap: 7px;
  color: #775653;
  font-size: 13px;
  font-weight: 720;
}

.form-grid .wide {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--text);
  background: rgba(255, 248, 241, 0.91);
  font-size: 14px;
}

.form-grid input:focus,
.form-grid select:focus {
  outline: 2px solid rgba(183, 71, 63, 0.24);
  border-color: #d98264;
}

.fit-check {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
  border: 1px solid #e9bfae;
  border-radius: 6px;
  padding: 13px;
  background:
    linear-gradient(135deg, rgba(255, 248, 241, 0.92), rgba(244, 160, 119, 0.18)),
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(127, 47, 53, 0.05) 22px 23px);
}

.fit-check.strong {
  border-color: #c45f59;
}

.fit-check.okay {
  border-color: #d98264;
}

.fit-check.review {
  border-color: #bcaeaa;
  background: linear-gradient(135deg, rgba(255, 248, 241, 0.95), rgba(138, 127, 130, 0.12));
}

.fit-score {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 76px;
  border: 1px solid rgba(183, 71, 63, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.56);
}

.fit-score strong {
  color: var(--copper-deep);
  font-size: 30px;
  line-height: 1;
}

.fit-score span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 760;
  text-transform: uppercase;
}

.fit-check h3 {
  margin: 0;
  color: var(--text);
  font-size: 17px;
}

.fit-check p {
  margin: 4px 0 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.fit-check dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 10px;
}

.fit-check dl div {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px;
  background: rgba(255, 255, 255, 0.55);
}

.fit-check dt {
  color: var(--muted);
  font-size: 10px;
  font-weight: 760;
  text-transform: uppercase;
}

.fit-check dd {
  margin: 2px 0 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 760;
}

.fit-check ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.budget-row,
.pricing-grid,
.flow-grid,
.evidence-stats {
  display: grid;
  gap: 12px;
}

.budget-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

.budget {
  display: grid;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 13px;
  text-align: left;
  color: var(--text);
  background: rgba(255, 248, 241, 0.68);
}

.budget span,
.budget small {
  color: var(--muted);
  font-size: 12px;
}

.budget strong {
  font-size: 17px;
}

.budget em,
.price-card em {
  width: fit-content;
  border: 1px solid rgba(159, 53, 68, 0.22);
  border-radius: 999px;
  padding: 3px 7px;
  color: #7f2538;
  background: rgba(255, 250, 242, 0.72);
  font-size: 10px;
  font-style: normal;
  font-weight: 820;
  text-transform: uppercase;
}

.budget.selected,
.price-card.selected {
  border-color: #c45f59;
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.95), rgba(244, 160, 119, 0.34), rgba(159, 53, 68, 0.08));
  box-shadow:
    inset 0 0 0 1px rgba(159, 53, 68, 0.24),
    0 18px 48px rgba(91, 20, 34, 0.13);
}

.action-strip {
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.action-strip div {
  display: grid;
  gap: 2px;
}

.action-strip span,
.action-strip small {
  color: var(--muted);
  font-size: 13px;
}

.action-strip strong {
  font-size: 24px;
}

.demo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 42px;
  margin-top: 12px;
  border: 1px solid rgba(159, 53, 68, 0.24);
  border-radius: 8px;
  color: var(--wine);
  background: rgba(255, 248, 241, 0.72);
  font-weight: 720;
}

.demo-button:hover {
  background: rgba(255, 228, 213, 0.84);
}

.api-message {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.result-panel {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 13px;
  background: rgba(255, 248, 241, 0.78);
}

.result-panel.succeeded {
  border-color: #c45f59;
}

.result-panel.failed {
  border-color: #a84f55;
  background: rgba(255, 238, 232, 0.9);
}

.result-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.result-head span,
.result-head strong,
.report-box h4,
.artifact-grid h4 {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.result-head h3 {
  margin: 3px 0 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.result-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.result-head strong {
  flex: 0 0 auto;
  border: 1px solid rgba(159, 53, 68, 0.18);
  border-radius: 999px;
  padding: 5px 8px;
  color: var(--copper-deep);
  background: rgba(255, 255, 255, 0.5);
}

.result-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.result-meta div {
  border: 1px solid rgba(233, 191, 174, 0.88);
  border-radius: 6px;
  padding: 7px;
  background: rgba(255, 255, 255, 0.46);
}

.result-meta dt {
  color: var(--muted);
  font-size: 10px;
  font-weight: 780;
  text-transform: uppercase;
}

.result-meta dd {
  margin: 2px 0 0;
  color: var(--text);
  font-size: 12px;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.result-error,
.result-wait {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.result-error {
  color: #8f283c;
}

.result-dropdown {
  margin-top: 12px;
  border: 1px solid rgba(159, 53, 68, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.42);
}

.result-dropdown summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 46px;
  padding: 0 12px;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.result-dropdown summary::-webkit-details-marker {
  display: none;
}

.result-dropdown summary::before {
  content: "▸";
  color: var(--copper-deep);
  font-size: 13px;
  transform: rotate(0deg);
  transition: transform 140ms ease;
}

.result-dropdown[open] summary::before {
  transform: rotate(90deg);
}

.result-dropdown summary span {
  flex: 1;
  font-size: 14px;
  font-weight: 780;
}

.result-dropdown summary strong {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 4px 8px;
  color: #7f2538;
  background: rgba(255, 228, 213, 0.78);
  font-size: 11px;
  line-height: 1;
  text-transform: uppercase;
}

.result-explainer {
  margin: 0 12px 12px;
  border: 1px solid rgba(196, 95, 89, 0.28);
  border-radius: 6px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(255, 250, 242, 0.94), rgba(255, 228, 213, 0.72));
}

.result-explainer h4 {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.result-explainer strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  line-height: 1.2;
}

.result-explainer p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.result-explainer ul {
  display: grid;
  gap: 5px;
  margin: 10px 0 0;
  padding-left: 17px;
  color: #6b4745;
  font-size: 13px;
}

.report-box,
.artifact-grid {
  margin: 0;
  padding: 0 12px 12px;
}

.report-box h4,
.artifact-grid h4 {
  margin: 8px 0 6px;
}

.report-box pre,
.artifact-grid pre {
  max-height: 260px;
  overflow: auto;
  margin: 0;
  border: 1px solid rgba(233, 191, 174, 0.8);
  border-radius: 6px;
  padding: 11px;
  color: #3b2024;
  background: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.run-state {
  margin-top: 14px;
}

.run-state span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #775653;
  font-size: 13px;
  font-weight: 720;
}

.run-state span strong {
  color: var(--copper-deep);
  font-size: 13px;
}

.run-state div {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  margin-top: 7px;
  background: #ecd0c2;
}

.run-state i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--copper-deep), var(--copper), var(--amber), var(--peach));
}

.flow-section,
.evidence-section,
.benchmark-section,
.compute-section,
.pricing-section,
.future-section {
  padding-top: 58px;
  scroll-margin-top: 22px;
}

.section-title {
  max-width: 700px;
  margin-bottom: 20px;
}

.section-title h2 {
  font-size: clamp(28px, 3.2vw, 42px);
}

.flow-section .section-title,
.benchmark-section .section-title,
.compute-section .section-title,
.pricing-section .section-title,
.future-section .section-title {
  margin-inline: auto;
  text-align: center;
}

.flow-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flow-step {
  padding: 20px;
}

.flow-step > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  color: var(--copper-deep);
  background: linear-gradient(135deg, #fff2e8, #ffd4bf);
}

.flow-step h3,
.price-card span {
  margin: 14px 0 5px;
  color: var(--text);
  font-size: 18px;
}

.flow-step p,
.price-card p,
.basin-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.evidence-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 28px;
  padding: 28px;
}

.evidence-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 15px;
  background:
    linear-gradient(180deg, rgba(255, 250, 242, 0.8), rgba(255, 236, 223, 0.64)),
    rgba(255, 248, 241, 0.62);
}

.stat strong,
.stat span {
  display: block;
}

.stat strong {
  font-size: 25px;
  line-height: 1.1;
  color: var(--copper-deep);
}

.stat span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.basin-card {
  display: grid;
  gap: 12px;
}

.contour-map {
  min-height: 220px;
  border: 1px solid #e9bfae;
  border-radius: 6px;
}

.contour-map span {
  position: absolute;
  right: 16%;
  bottom: 18%;
  z-index: 1;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow:
    0 0 0 7px rgba(255, 255, 255, 0.25),
    0 0 0 13px rgba(255, 255, 255, 0.13);
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.future-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.future-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  background: rgba(255, 248, 241, 0.82);
  box-shadow: 0 18px 46px rgba(91, 45, 50, 0.08);
}

.future-card h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.2;
}

.future-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.benchmark-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.benchmark-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 12px;
  min-height: 190px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 248, 241, 0.94), rgba(255, 236, 223, 0.86)),
    repeating-linear-gradient(135deg, transparent 0 21px, rgba(127, 47, 53, 0.07) 21px 22px);
  box-shadow: 0 18px 46px rgba(91, 45, 50, 0.1);
}

.benchmark-card::before {
  content: "";
  position: absolute;
  inset: 6px;
  pointer-events: none;
  border: 1px solid rgba(183, 71, 63, 0.14);
  border-radius: 3px;
}

.benchmark-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.15;
}

.benchmark-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.benchmark-card strong {
  align-self: center;
  color: var(--charcoal);
  font-size: 22px;
  line-height: 1.12;
}

.benchmark-meter {
  height: 9px;
  overflow: hidden;
  border: 1px solid rgba(127, 37, 56, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.benchmark-meter i {
  display: block;
  height: 100%;
  min-width: 8px;
  border-radius: inherit;
  background: linear-gradient(90deg, #7f2538, #c45f59, #f58552);
}

.benchmark-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
}

.benchmark-card.win {
  border-color: #c45f59;
  background:
    linear-gradient(160deg, rgba(244, 160, 119, 0.34), rgba(255, 248, 241, 0.9) 62%),
    repeating-linear-gradient(135deg, transparent 0 21px, rgba(127, 47, 53, 0.07) 21px 22px);
}

.benchmark-card.win .benchmark-meter i {
  background: linear-gradient(90deg, #7f2538, #c45f59, #f58552);
}

.benchmark-card.near {
  border-color: #d98264;
}

.benchmark-card.near .benchmark-meter i {
  background: linear-gradient(90deg, #9d817a, #d98264);
}

.benchmark-card.loss {
  border-color: #d8d0cd;
  background:
    linear-gradient(160deg, rgba(138, 127, 130, 0.14), rgba(255, 248, 241, 0.9) 62%),
    repeating-linear-gradient(135deg, transparent 0 21px, rgba(127, 47, 53, 0.05) 21px 22px);
}

.benchmark-card.loss .benchmark-meter i {
  background: linear-gradient(90deg, #9d817a, #bcaeaa);
}

.benchmark-note {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.compute-stats,
.compute-grid {
  display: grid;
  gap: 14px;
}

.compute-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 14px;
}

.compute-stat-card,
.compute-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 6px;
  background:
    linear-gradient(145deg, rgba(255, 250, 242, 0.94), rgba(255, 229, 211, 0.78)),
    repeating-linear-gradient(135deg, transparent 0 24px, rgba(127, 47, 53, 0.055) 24px 25px);
  box-shadow: 0 18px 46px rgba(91, 45, 50, 0.1);
}

.compute-stat-card::before,
.compute-card::before {
  content: "";
  position: absolute;
  inset: 6px;
  pointer-events: none;
  border: 1px solid rgba(183, 71, 63, 0.13);
  border-radius: 3px;
}

.compute-stat-card {
  padding: 18px;
}

.compute-stat-card strong,
.compute-stat-card span {
  display: block;
}

.compute-stat-card strong {
  color: var(--copper-deep);
  font-size: 34px;
  line-height: 1;
}

.compute-stat-card span {
  margin-top: 8px;
  color: var(--text);
  font-size: 14px;
  font-weight: 820;
}

.compute-stat-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.compute-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compute-card {
  display: grid;
  gap: 14px;
  min-height: 210px;
  padding: 16px;
}

.compute-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 17px;
  line-height: 1.2;
}

.compute-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.compute-card dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.compute-card dl div {
  border: 1px solid rgba(233, 191, 174, 0.9);
  border-radius: 6px;
  padding: 9px;
  background: rgba(255, 255, 255, 0.5);
}

.compute-card dt {
  color: var(--muted);
  font-size: 10px;
  font-weight: 820;
  text-transform: uppercase;
}

.compute-card dd {
  margin: 3px 0 0;
  color: var(--copper-deep);
  font-size: 18px;
  font-weight: 840;
}

.compute-card span {
  align-self: end;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  line-height: 1.4;
  text-transform: uppercase;
}

.compute-card.caveat {
  border-color: #d8d0cd;
  background:
    linear-gradient(145deg, rgba(255, 250, 242, 0.94), rgba(138, 127, 130, 0.13)),
    repeating-linear-gradient(135deg, transparent 0 24px, rgba(127, 47, 53, 0.04) 24px 25px);
}

.compute-card.caveat dd {
  color: #775653;
}

.price-card {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 12px;
  padding: 22px;
  min-height: 245px;
}

.price-card span {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.price-card strong {
  color: var(--text);
  font-size: 42px;
  line-height: 1;
}

.price-card .ghost {
  border-color: var(--border-strong);
  color: var(--copper-deep);
  background: rgba(255, 248, 241, 0.72);
}

.price-card .primary,
.price-card .ghost {
  width: 100%;
  align-self: end;
}

.footer {
  justify-content: space-between;
  gap: 16px;
  margin-top: 54px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  color: #8e6f67;
  font-size: 14px;
}

.footer a {
  color: var(--copper-deep);
  font-weight: 720;
}

@media (max-width: 980px) {
  .app {
    width: min(100% - 28px, 760px);
  }

  .hero,
  .evidence-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 42px;
  }

  .flow-grid,
  .benchmark-grid,
  .compute-stats,
  .compute-grid,
  .pricing-grid,
  .future-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app {
    width: min(100% - 18px, 540px);
    padding-top: 12px;
  }

  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .topbar nav {
    order: 3;
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .secondary.compact {
    display: none;
  }

  .hero-copy h1 {
    font-size: 46px;
  }

  .subhead {
    font-size: 24px;
  }

  .runner-card,
  .evidence-panel,
  .flow-step,
  .compute-stat-card,
  .compute-card,
  .price-card,
  .future-card {
    padding: 15px;
  }

  .dropzone,
  .form-grid,
  .fit-check,
  .budget-row,
  .action-strip,
  .evidence-stats {
    display: grid;
    grid-template-columns: 1fr;
  }

  .fit-check dl {
    grid-template-columns: 1fr;
  }

  .result-meta,
  .artifact-grid {
    grid-template-columns: 1fr;
  }

  .action-strip .primary,
  .hero-actions .primary,
  .hero-actions .ghost {
    width: 100%;
  }

  .file-control,
  .sample-control {
    width: 100%;
    text-align: center;
  }

  .contour-map {
    min-height: 170px;
  }
}