:root {
  color-scheme: light;
  --ink: #18201c;
  --muted: #5d665f;
  --line: #d7ded8;
  --paper: #f7f8f5;
  --panel: #ffffff;
  --field: #e8f0e7;
  --accent: #23705f;
  --accent-2: #c06932;
  --accent-3: #c45f16;
  --danger: #a13d36;
  --mono: #10100f;
  --orange: #f27618;
  --orange-dark: #9f3d08;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

a {
  color: var(--accent-3);
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(247, 248, 245, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.topbar h1,
.topbar p {
  margin: 0;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav a {
  min-height: 36px;
  padding: 9px 12px;
  color: var(--ink);
  border: 1px solid transparent;
}

nav a:hover {
  border-color: var(--line);
  background: var(--panel);
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(28px, 6vw, 72px);
  padding: clamp(44px, 7vw, 92px) clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.hero-copy h2 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 5.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy p:last-child {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.25rem);
  line-height: 1.7;
}

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

.hero-actions a,
.launch-panel a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 14px;
  color: #fff;
  background: var(--accent);
  border-radius: 6px;
  font-weight: 800;
}

.hero-actions a:first-child {
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
}

.plant-panel {
  position: relative;
  min-height: 460px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.digester {
  position: relative;
  width: min(58vw, 430px);
  aspect-ratio: 1.08;
  border: 10px solid #1d5f52;
  border-radius: 48% 48% 12% 12%;
  background:
    linear-gradient(to top, rgba(35, 112, 95, 0.4) 0 49%, transparent 50%),
    linear-gradient(135deg, #f9fbf6, #dbe8dc);
  box-shadow: inset 0 -24px 60px rgba(35, 112, 95, 0.22);
}

.digester::before {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: -34px;
  height: 34px;
  background: #1d5f52;
}

.gas-line {
  position: absolute;
  top: 14%;
  right: -30%;
  width: 42%;
  height: 10px;
  background: var(--accent-2);
}

.flare {
  position: absolute;
  right: 11%;
  top: 24%;
  width: 34px;
  height: 90px;
  border-radius: 18px 18px 4px 4px;
  background: linear-gradient(#f0b35b, #b94e32);
  animation: pulse 1.8s ease-in-out infinite;
}

.bubble {
  position: absolute;
  bottom: 18%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  animation: float 4s ease-in-out infinite;
}

.bubble-a {
  left: 30%;
}

.bubble-b {
  left: 49%;
  animation-delay: 0.8s;
}

.bubble-c {
  left: 64%;
  animation-delay: 1.4s;
}

.metric-strip {
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 22px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.metric-strip span {
  padding: 8px 12px;
  color: #fff;
  background: #213a33;
  border-radius: 4px;
  font-weight: 700;
}

.band {
  padding: clamp(46px, 6vw, 82px) clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.subtle {
  background: #eef3ec;
}

.evaluator-note-band {
  color: #f6f1ea;
  background:
    linear-gradient(135deg, rgba(242, 118, 24, 0.12), rgba(255, 255, 255, 0)),
    #10100f;
}

.evaluator-note-band .eyebrow {
  color: var(--orange);
}

.evaluator-note-band h2 {
  color: #fffaf3;
}

.evaluator-note-band p:not(.eyebrow) {
  max-width: 980px;
  color: #cfc8bd;
  line-height: 1.7;
}

.section-head {
  max-width: 860px;
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.cards article,
.split article,
.launch-panel {
  min-height: 188px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.cards h3,
.split h3,
.launch-panel h3 {
  margin: 0 0 12px;
  font-size: 1.08rem;
}

.cards p,
.split p,
.launch-panel p {
  color: var(--muted);
  line-height: 1.6;
}

.live-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.launch-panel {
  position: relative;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.launch-panel p {
  flex: 1;
}

.status-dot {
  width: 12px;
  height: 12px;
  margin-bottom: 18px;
  background: #2fb374;
  border-radius: 999px;
  box-shadow: 0 0 0 7px rgba(47, 179, 116, 0.14);
}

.status-dot.muted {
  background: var(--accent-2);
  box-shadow: 0 0 0 5px rgba(192, 105, 50, 0.12);
}

.status-dot.neutral {
  background: #2b2b29;
  box-shadow: 0 0 0 5px rgba(43, 43, 41, 0.12);
}

.dashboard-stack-band {
  color: #f6f1ea;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0)),
    #10100f;
}

.dashboard-stack-band .eyebrow {
  color: #f27618;
}

.dashboard-stack-band .section-head p:not(.eyebrow) {
  max-width: 820px;
  color: #b9b1a7;
  line-height: 1.65;
}

.module-rack {
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.module-row {
  display: grid;
  grid-template-columns: minmax(210px, 0.8fr) minmax(0, 1.4fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 104px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.module-row h3 {
  margin: 8px 0 0;
  color: #fffaf3;
  font-size: 1.12rem;
}

.module-row p {
  margin: 0;
  color: #b9b1a7;
  line-height: 1.55;
}

.module-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 12px;
  color: #fff7ef;
  border: 1px solid rgba(242, 118, 24, 0.42);
  border-radius: 5px;
  background: rgba(242, 118, 24, 0.08);
  font-weight: 800;
  white-space: nowrap;
}

.module-row a:hover {
  background: rgba(242, 118, 24, 0.16);
}

.module-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d8d1c8;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.module-status::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #f27618;
  box-shadow: 0 0 0 5px rgba(242, 118, 24, 0.12);
}

.module-status.reference::before {
  background: #8d8478;
  box-shadow: 0 0 0 5px rgba(141, 132, 120, 0.14);
}

code {
  display: inline-block;
  padding: 5px 8px;
  color: #fff;
  background: var(--accent);
  border-radius: 4px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
}

.quote-inline {
  max-width: 780px;
  margin: -4px 0 22px;
  padding-left: 18px;
  color: var(--accent);
  border-left: 4px solid var(--accent);
  font-weight: 800;
  line-height: 1.55;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.document-viewer {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.documentation-vault {
  margin-bottom: 16px;
}

.upload-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
  padding: 16px;
  background: #f4f7f2;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.document-layout {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.document-layout aside {
  display: grid;
  gap: 14px;
}

.document-layout h3 {
  margin: 0;
  color: var(--accent);
  font-size: 0.92rem;
  text-transform: uppercase;
}

.doc-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.doc-folder {
  display: grid;
  gap: 7px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.doc-folder strong {
  color: var(--accent);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.doc-list button {
  min-height: 44px;
  padding: 12px;
  text-align: left;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
}

.doc-list button:hover {
  border-color: var(--accent);
}

.document-viewer iframe {
  width: 100%;
  min-height: 620px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.document-frame iframe {
  width: 100%;
  min-height: 720px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.vault-table {
  margin-top: 18px;
}

.reading-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
}

.reading-meter {
  min-height: 300px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: #fff;
  background: radial-gradient(circle at 50% 36%, #5aa08d, #1f604f 62%, #17362f);
  border-radius: 8px;
}

.reading-meter strong {
  font-size: 4rem;
  letter-spacing: 0;
}

.meter-label {
  font-weight: 800;
  text-transform: uppercase;
}

.reading-list {
  display: grid;
  gap: 12px;
}

.reading-list p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.reading-list span {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.workspace-card {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.login-card,
.profile-row {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
  gap: 22px;
  align-items: end;
}

.professional-login {
  position: relative;
  overflow: hidden;
  color: #f6f1ea;
  background:
    radial-gradient(circle at 86% 18%, rgba(242, 118, 24, 0.28), transparent 28%),
    linear-gradient(135deg, #0d0d0c 0%, #171615 58%, #231406 100%);
  border-color: #2e2c29;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.professional-login::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.professional-login > * {
  position: relative;
  z-index: 1;
}

.professional-login .eyebrow,
.professional-login h3,
.professional-login p,
.professional-login label {
  color: #f6f1ea;
}

.professional-login h3 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 2.4vw, 2.6rem);
}

.professional-login p {
  max-width: 620px;
  color: #cfc8bd;
}

.professional-login input {
  color: #f6f1ea;
  background: #11100f;
  border-color: #3a332b;
}

.professional-login input:focus {
  outline: 2px solid rgba(242, 118, 24, 0.45);
  border-color: var(--orange);
}

.professional-login button,
.access-teaser a {
  color: #140b03;
  background: var(--orange);
  border: 1px solid #ff9c4f;
}

.professional-login button:hover,
.access-teaser a:hover {
  background: #ff8a2a;
}

.login-signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 10px 12px;
  color: #fff7ef;
  background: rgba(242, 118, 24, 0.12);
  border: 1px solid rgba(242, 118, 24, 0.38);
  border-radius: 6px;
}

.login-signal span {
  width: 10px;
  height: 10px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(242, 118, 24, 0.18);
}

.access-teaser a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 6px;
  font-weight: 800;
}

.auth-required-toast {
  position: fixed;
  right: clamp(16px, 4vw, 40px);
  bottom: clamp(16px, 4vw, 40px);
  z-index: 30;
  max-width: 360px;
  padding: 16px 18px;
  color: #f6f1ea;
  background: #11100f;
  border: 1px solid rgba(242, 118, 24, 0.55);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.auth-required-toast strong,
.auth-required-toast span {
  display: block;
}

.auth-required-toast span {
  margin-top: 5px;
  color: #cfc8bd;
}

.profile-row {
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: 16px;
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.workspace-card h3 {
  margin: 0 0 16px;
}

.workspace-card label {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--muted);
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  padding: 12px;
  color: var(--ink);
  background: #fbfcfa;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
}

button {
  min-height: 44px;
  padding: 11px 14px;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.form-message {
  margin: 0;
  color: var(--danger);
  font-weight: 800;
}

.record-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.record-item {
  padding: 12px;
  background: var(--field);
  border-radius: 6px;
}

.record-item strong,
.record-item span {
  display: block;
}

.record-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.record-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.record-actions button {
  min-height: 34px;
  padding: 7px 10px;
  background: #45534c;
  font-size: 0.86rem;
}

.compact {
  margin-bottom: 14px;
}

.support-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.support-strip a {
  padding: 11px 13px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.timeline span {
  font-weight: 800;
  color: var(--accent);
}

.corporate-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
  gap: 28px;
  padding: 34px clamp(20px, 5vw, 72px);
  color: #dce5df;
  background: #111b18;
}

.corporate-footer strong,
.corporate-footer span {
  display: block;
}

.corporate-footer span {
  margin-top: 6px;
  color: #aebbb3;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: #dce5df;
}

.footer-links a:hover {
  color: #bde6cb;
}

@keyframes float {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  100% {
    transform: translateY(-170px);
    opacity: 0;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scaleY(0.88);
  }
  50% {
    transform: scaleY(1.05);
  }
}

@media (max-width: 980px) {
  .topbar,
  .hero {
    align-items: flex-start;
  }

  .topbar,
  .hero,
  .reading-layout,
  .split,
  .live-grid,
  .module-row,
  .document-viewer,
  .document-layout,
  .upload-panel,
  .login-card,
  .workspace-grid,
  .corporate-footer {
    grid-template-columns: 1fr;
  }

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

  .topbar {
    display: grid;
  }

  .module-row {
    align-items: start;
  }

  .hero {
    min-height: auto;
  }

  .plant-panel {
    min-height: 360px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

@media (max-width: 620px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  nav a {
    flex: 1 1 auto;
    text-align: center;
  }
}