/* LuSim public pages, aligned with Figma design system */

:root {
  --bg: #0a0a0c;
  --bg-nav: #08080b;
  --bg-card: #1d1d22;
  --bg-input: #16161c;
  --green: #299e56;
  --green-dark: #196b3d;
  --green-soft: #7fcc93;
  --green-label: #16663a;
  --orange: #ef9f28;
  --blue: #3b8bd2;
  --text: #ffffff;
  --text-heading: #f4f4f7;
  --text-muted: #9e9ead;
  --text-subtle: #9999a8;
  --text-placeholder: #72727f;
  --radius: 12px;
  --radius-lg: 16px;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --nav-h: 74px;
  --page-pad: clamp(20px, 4vw, 64px);
  --content-max: 1312px;
}

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

body.landing-page {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

.landing-page a {
  color: inherit;
  text-decoration: none;
}

.landing-page img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ── Navigation ─────────────────────────────────────────────────────── */

.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 var(--page-pad);
  background: rgba(8, 8, 11, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-word {
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--green);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.caret {
  font-family: var(--font-body);
  font-size: 13px;
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 360px;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.nav-dropdown.is-open .nav-dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  color: var(--text-muted);
  transition: background 0.2s;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-heading);
}

.dropdown-icon {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: var(--green-dark);
  font-family: var(--font-mono);
  font-size: 15px;
}

.dropdown-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.dropdown-text strong {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}

.dropdown-text small {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.dropdown-ext {
  margin-left: auto;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.2s, background 0.2s;
}

.btn-nav-primary {
  background: var(--green);
  color: #fff;
}

.btn-nav-primary:hover {
  background: #248f4d;
}

.btn-nav-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.login-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

/* ── Hero (landing) ─────────────────────────────────────────────────── */

.page-main {
  padding-top: var(--nav-h);
}

.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: min(900px, 80vw);
  height: 600px;
  background: radial-gradient(ellipse, rgba(41, 158, 86, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px var(--page-pad) 80px;
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  line-height: 1.12;
  color: var(--text);
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 0 32px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-primary:hover {
  background: #248f4d;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.35);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.32);
}

.hero-chip {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.82);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.hero-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

/* ── LuSim intro (landing section 1) ─────────────────────────────────── */

.lusim-intro-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px var(--page-pad) 72px;
}

.lusim-intro .hero-lead {
  max-width: 900px;
  margin-bottom: 20px;
}

.platform-scope {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 40px;
  max-width: 900px;
}

.platform-scope-item {
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}

.platform-scope-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
}

.platform-scope-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

.platform-scope-item a {
  color: var(--green-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.platform-scope-item a:hover {
  color: var(--green);
}

.intro-detail {
  margin: 0 0 40px;
  max-width: 900px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-muted);
}

.capabilities-block {
  margin-bottom: 44px;
}

.capabilities-heading {
  margin: 0 0 20px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 0;
}

.capability-card {
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}

.capability-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-heading);
}

.capability-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-muted);
}

.application-cases-block {
  margin-bottom: 36px;
}

.application-cases-heading {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.application-cases-lead {
  margin: 0 0 24px;
  max-width: 820px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

.application-cases-lead a {
  color: var(--green-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.application-cases-lead a:hover {
  color: var(--green);
}

/* Case registry: numbered domain index with heatmap swatches */
.application-cases-registry {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  overflow: hidden;
}

.application-case-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  background: var(--bg);
  transition: background 0.2s;
}

.application-case-item:hover {
  background: rgba(29, 29, 34, 0.92);
}

.case-item-swatch {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-size: cover;
}

.application-case-item[data-domain="bipv"] .case-item-swatch {
  background-image: linear-gradient(155deg, #141418 0%, #4a4038 40%, #9e9ead 65%, #ef9f28 100%);
}

.application-case-item[data-domain="drone"] .case-item-swatch {
  background-image: linear-gradient(180deg, #1a1a22 0%, #3d4a38 35%, #7fcc93 60%, #299e56 100%);
}

.application-case-item[data-domain="terrain"] .case-item-swatch {
  background-image: linear-gradient(145deg, #141418 0%, #3d3428 25%, #5a4a38 50%, #299e56 75%, #1a2a1f 100%);
}

.application-case-item[data-domain="shading"] .case-item-swatch {
  background-image: linear-gradient(160deg, #141418 0%, #3d3428 35%, #ef9f28 62%, #299e56 100%);
}

.application-case-item[data-domain="agrivoltaics"] .case-item-swatch {
  background-image: linear-gradient(180deg, #1a2a1f 0%, #299e56 45%, #ef9f28 78%, #141418 100%);
}

.application-case-item[data-domain="carports"] .case-item-swatch {
  background-image: linear-gradient(165deg, #1a1a22 0%, #4a4a58 30%, #9e9ead 55%, #299e56 85%);
}

.case-item-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.case-item-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  flex-shrink: 0;
}

.application-case-item h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-heading);
  line-height: 1.3;
}

.application-case-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-muted);
}

.scientific-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  padding: 24px 28px;
  background: rgba(41, 158, 86, 0.07);
  border: 1px solid rgba(41, 158, 86, 0.22);
  border-radius: var(--radius-lg);
}

.scientific-band-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.02em;
}

.scientific-band-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-heading);
}

.scientific-band-desc {
  margin: 0;
  max-width: 640px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
}

.scientific-band-cta {
  flex-shrink: 0;
  white-space: nowrap;
}

/* ── SYMBIOSYST showcase (landing section 2) ───────────────────────── */

.symbiosyst-showcase {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(8, 8, 11, 0.5);
}

.symbiosyst-showcase::before {
  content: "";
  position: absolute;
  top: -10%;
  left: -5%;
  width: min(800px, 70vw);
  height: 500px;
  background: radial-gradient(ellipse, rgba(41, 158, 86, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.symbiosyst-showcase-inner {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 64px var(--page-pad) 48px;
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.symbiosyst-showcase-copy .section-title {
  margin-bottom: 16px;
}

.symbiosyst-showcase-copy .section-desc {
  margin-bottom: 28px;
  max-width: 560px;
  color: var(--text);
}

.demos-cards-wrap {
  position: relative;
  padding-top: 0;
  padding-bottom: 96px;
}

.demos-cards-title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.demos-cards-lead {
  margin: 0 0 24px;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* Demonstrator registry: image panels (Virto-style project rows) */
.demo-registry {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 1px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  overflow: hidden;
}

.demo-panel {
  background: var(--bg);
}

.demo-panel-link,
.demo-panel-layout {
  display: grid;
  grid-template-columns: minmax(220px, 44%) minmax(0, 1fr);
  align-items: stretch;
  min-height: 220px;
  color: inherit;
  text-decoration: none;
  transition: background 0.2s;
}

.demo-panel-link:hover {
  background: rgba(29, 29, 34, 0.92);
}

.demo-registry .demo-panel {
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.demo-panel:nth-child(even) .demo-panel-link,
.demo-panel:nth-child(even) .demo-panel-layout {
  grid-template-columns: minmax(0, 1fr) minmax(220px, 44%);
}

.demo-panel:nth-child(even) .demo-panel-media {
  order: 2;
}

.demo-panel-media {
  position: relative;
  min-height: 200px;
  overflow: hidden;
}

.demo-panel.bolzano .demo-panel-content { border-left: 3px solid var(--orange); }
.demo-panel.greenhouse .demo-panel-content { border-left: 3px solid var(--green); }
.demo-panel.configurable .demo-panel-content { border-left: 3px solid var(--blue); }

.demo-panel-media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
}

.demo-panel-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(8, 8, 11, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-panel-badge.live {
  color: #e8f5ec;
  background: rgba(41, 158, 86, 0.85);
  border-color: rgba(41, 158, 86, 0.5);
}

.demo-panel-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 32px;
}

.demo-panel-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.demo-panel-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  flex-shrink: 0;
}

.demo-panel-type {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.demo-panel-content h4,
.demo-panel-content h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.demo-panel-content > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 640px;
}

.demo-panel-cta-row {
  margin-top: 22px;
}

.demo-panel-cta-row .btn-primary {
  display: inline-flex;
}

.demo-panel-cta {
  font-size: 14px;
  font-weight: 500;
  color: var(--green);
  transition: color 0.2s;
}

.demo-panel-link:hover .demo-panel-cta {
  color: var(--green-soft);
}

.demo-badge {
  display: inline-block;
  width: fit-content;
  padding: 5px 10px;
  margin-bottom: 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-badge.live {
  color: #e8f5ec;
  background: rgba(41, 158, 86, 0.18);
  border-color: rgba(41, 158, 86, 0.45);
}

/* ── Shared section typography ─────────────────────────────────────── */

.demos-section {
  padding: 72px var(--page-pad) 96px;
}

.section-inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  margin: 0 0 12px;
}

.section-title {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.section-desc {
  margin: 0 0 40px;
  max-width: 820px;
  font-size: 17px;
  color: var(--text-muted);
}

/* ── Explore page ───────────────────────────────────────────────────── */

.explore-header {
  position: relative;
  padding: 48px var(--page-pad) 40px;
  background: var(--bg-nav);
  overflow: hidden;
}

.explore-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 0%, rgba(41, 158, 86, 0.06), transparent 55%);
  pointer-events: none;
}

.explore-header .section-inner {
  position: relative;
}

.explore-header .section-desc {
  max-width: 900px;
  color: var(--text);
}

.jump-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.jump-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s;
}

.jump-pill:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.jump-pill-num {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #fff;
}

.jump-pill-text strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
}

.jump-pill-text small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

.jump-pill.bolzano .jump-pill-num { background: var(--orange); }
.jump-pill.greenhouse .jump-pill-num { background: var(--green); }
.jump-pill.configurable .jump-pill-num { background: var(--blue); }

.explore-body {
  padding: 40px var(--page-pad) 80px;
}

.explore-body .demo-panel-content {
  padding: 28px 32px 32px;
}

.feature-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.01em;
}

.demo-panel.bolzano .feature-label,
.demo-panel.greenhouse .feature-label {
  color: var(--green-label);
}

.demo-panel.configurable .feature-label {
  color: var(--blue);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: var(--text-heading);
}

.feature-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
}

.demo-panel.bolzano .feature-tag {
  border-color: rgba(239, 159, 40, 0.35);
}

.demo-panel.bolzano .feature-tag::before {
  background: var(--orange);
}

.demo-panel.greenhouse .feature-tag {
  border-color: rgba(41, 158, 86, 0.35);
}

.demo-panel.greenhouse .feature-tag::before {
  background: var(--green);
}

.demo-panel.configurable .feature-tag {
  background: rgba(59, 139, 210, 0.1);
  border-color: rgba(59, 139, 210, 0.35);
}

.demo-panel.configurable .feature-tag::before {
  background: var(--blue);
}

/* ── Register / request form ────────────────────────────────────────── */

.request-page {
  padding: calc(var(--nav-h) + 40px) var(--page-pad) 80px;
}

.request-page .section-inner {
  max-width: var(--content-max);
}

.request-head {
  margin-bottom: 36px;
}

.request-head h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.request-head p {
  margin: 0;
  font-size: 17px;
  color: var(--text-subtle);
  max-width: 760px;
}

.request-error {
  margin-bottom: 24px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.25);
  color: #ef9a9a;
  font-size: 14px;
  max-width: 720px;
}

.request-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px;
  align-items: start;
}

.request-section h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-size: 20px;
  font-weight: 500;
}

.request-section h2 .num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green);
  color: var(--green-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  flex: none;
}

.request-section h2 .optional {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-subtle);
}

.form-group label .req {
  color: var(--green-soft);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(41, 158, 86, 0.55);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-placeholder);
}

.form-group select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-subtle) 50%),
    linear-gradient(135deg, var(--text-subtle) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 12px) calc(50% - 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.form-group select option {
  background: var(--bg-input);
  color: var(--text);
}

.request-grid .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-hint {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--green-soft);
}

.track-info {
  margin: 8px 0 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(41, 158, 86, 0.35);
  background: rgba(41, 158, 86, 0.08);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

.track-info strong {
  color: var(--text-heading);
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
}

.consent-row input {
  margin-top: 3px;
  flex: none;
}

.consent-row a {
  color: var(--green-soft);
  text-decoration: underline;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  background: var(--green);
  color: #fff;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit:hover:not(:disabled) {
  background: #248f4d;
}

.btn-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.submit-hint {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Login ──────────────────────────────────────────────────────────── */

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + 40px) 20px 40px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 20%, rgba(41, 158, 86, 0.05), transparent 60%);
  pointer-events: none;
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  margin-bottom: 12px;
}

.login-brand .logo-mark {
  width: 42px;
  height: 42px;
}

.login-brand .logo-word {
  font-size: 58px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.login-subtitle {
  text-align: center;
  margin: 0 0 28px;
  font-size: 15px;
  color: var(--text-subtle);
}

.login-card .form-group {
  margin-bottom: 14px;
}

.login-card .btn-submit {
  margin-top: 6px;
}

.login-links {
  margin-top: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-links a {
  font-size: 14px;
}

.login-links a.forgot {
  color: var(--green-soft);
}

.login-links a.home {
  color: var(--text-subtle);
  font-size: 13.5px;
}

#login_false {
  margin-top: 12px;
  text-align: center;
  color: #ef9a9a;
  font-size: 14px;
}

/* ── Success ────────────────────────────────────────────────────────── */

.success-page {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  place-items: center;
  padding: 40px var(--page-pad) 80px;
}

.success-card {
  width: 100%;
  max-width: 520px;
  padding: 40px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(41, 158, 86, 0.15);
  color: var(--green);
  font-size: 28px;
}

.success-card h2 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 500;
}

.success-card p {
  margin: 0 0 8px;
  color: var(--text-muted);
  line-height: 1.6;
}

.email-highlight {
  color: var(--green-soft);
  font-weight: 600;
}

.btn-back {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-back:hover {
  border-color: var(--green);
  color: var(--green-soft);
}

/* ── Footer ─────────────────────────────────────────────────────────── */

.landing-footer {
  padding: 48px var(--page-pad);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--bg);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-logo {
  width: 186px;
  margin-bottom: 8px;
}

.footer-tagline {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  max-width: 460px;
}

.footer-cols {
  display: flex;
  gap: 56px;
}

.footer-col h4 {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0;
}

.footer-col a {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--text);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--green-soft);
}

/* ── Responsive ─────────────────────────────────────────────────────── */

@media (max-width: 1100px) {
  .hero-inner,
  .symbiosyst-showcase-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 640px;
  }

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

  .application-cases-registry {
    grid-template-columns: 1fr;
  }

  .demo-panel-link,
  .demo-panel-layout,
  .demo-panel:nth-child(even) .demo-panel-link,
  .demo-panel:nth-child(even) .demo-panel-layout {
    grid-template-columns: 1fr;
  }

  .demo-panel:nth-child(even) .demo-panel-media {
    order: 0;
  }

  .demo-panel-media {
    min-height: 180px;
  }

  .demo-panel.bolzano .demo-panel-content,
  .demo-panel.greenhouse .demo-panel-content,
  .demo-panel.configurable .demo-panel-content {
    border-left: none;
    border-top: 3px solid;
  }

  .demo-panel.bolzano .demo-panel-content { border-top-color: var(--orange); }
  .demo-panel.greenhouse .demo-panel-content { border-top-color: var(--green); }
  .demo-panel.configurable .demo-panel-content { border-top-color: var(--blue); }

  .demo-panel-content {
    padding: 22px 20px 24px;
  }

  .explore-body .demo-panel-content {
    padding: 22px 20px 28px;
  }
}

@media (max-width: 900px) {
  .nav-center {
    display: none;
  }

  .request-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .nav-actions .btn-nav-ghost span:first-child {
    display: none;
  }

  .application-cases-registry {
    grid-template-columns: 1fr;
  }

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

  .platform-scope {
    grid-template-columns: 1fr;
  }

  .application-case-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    padding: 16px;
  }

  .case-item-swatch {
    width: 44px;
    height: 44px;
  }

  .scientific-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
  }
}