/* ═══════════════════════════════════════
   BI-K ENERGY — Main Stylesheet
   Brand: Orange #E8612A · Teal #2E8B8B
   Stack: HTML5 + CSS3 · Mobile-first
═══════════════════════════════════════ */

/* ── Custom Properties ── */
:root {
  --orange:     #E8612A;
  --orange-dark:#C9511E;
  --teal:       #2E8B8B;
  --dark:       #1A2332;
  --text:       #4A5568;
  --text-light: #718096;
  --bg-light:   #F0F4F8;
  --bg-dark:    #111827;
  --white:      #FFFFFF;
  --border:     #E2E8F0;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 2px 16px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.12);
  --max-w:      1200px;
  --max-w-sm:   780px;

  --transition: 0.25s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Accessibility ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--orange);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; }

*:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* ── Typography ── */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; color: var(--dark); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.2; color: var(--dark); }
h3 { font-size: 1.15rem; font-weight: 700; color: var(--dark); }
p  { color: var(--text); }

/* ── Utility ── */
.container       { max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }
.container--narrow { max-width: var(--max-w-sm); margin: 0 auto; padding: 0 1.25rem; }
.text-center     { text-align: center; }
.mt-8  { margin-top: 0.5rem; }
.mt-16 { margin-top: 1rem; }
.mt-32 { margin-top: 2rem; }
.mt-48 { margin-top: 3rem; }
.color-orange    { color: var(--orange) !important; }
.color-teal      { color: var(--teal) !important; }
.color-white     { color: var(--white) !important; }
.fw-bold         { font-weight: 700; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: none; }

.btn-primary {
  background: var(--orange);
  color: var(--white);
}
.btn-primary:hover { background: var(--orange-dark); }

.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: var(--white);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(26,35,50,0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-bik    { color: var(--orange); }
.logo-energy { color: var(--white); }

/* Logo image — white pill on dark navbar */
.logo-img {
  height: 64px;
  width: auto;
  display: block;
  background: var(--white);
  border-radius: 8px;
  padding: 6px 10px;
}
.logo-img--footer {
  height: 90px;
  padding: 8px 14px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }

.nav-cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 0.45rem 1rem !important;
  margin-left: 0.5rem;
}
.nav-cta:hover { background: var(--orange-dark) !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.4rem;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }
  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }
  .nav-links a { font-size: 1.2rem; padding: 0.75rem 2rem; }
  .nav-cta { margin-top: 0.75rem !important; margin-left: 0 !important; }
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(160deg, #0d1520 0%, #1a2f4a 50%, #0f1f35 100%);
  overflow: hidden;
}

/* Subtle animated grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46,139,139,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,139,139,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(13,21,32,0.2) 0%, rgba(13,21,32,0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.hero h1 {
  color: var(--white);
  max-width: 820px;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin-bottom: 2.25rem;
  line-height: 1.7;
}
.hero-sub strong { color: var(--white); }

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero KPI strip */
.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stat { display: flex; flex-direction: column; gap: 0.25rem; }
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ══════════════════════════════════════════
   SECTIONS — Shared
══════════════════════════════════════════ */
.section {
  padding: 5rem 0;
}
.section-light { background: var(--bg-light); }
.section-dark  { background: var(--bg-dark); }

.section-badge {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1.25rem;
}
.section-badge--light {
  background: transparent;
  border: 1px solid var(--orange);
  color: var(--orange);
}

.section h2 { margin-bottom: 0.75rem; }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  max-width: 640px;
}
.section-sub strong { color: var(--dark); }

.source-note {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 1.25rem;
}

/* ── Fade-in animation ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════════
   CARDS — Layouts
══════════════════════════════════════════ */
.cards-2,
.cards-3,
.cards-4 {
  display: grid;
  gap: 1.25rem;
}
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .cards-3, .cards-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cards-2, .cards-3, .cards-4 { grid-template-columns: 1fr; }
}

/* ── Card base ── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.section-light .card { background: var(--white); }

.card h3 { margin-bottom: 0.25rem; }
.card p   { font-size: 0.95rem; color: var(--text); }

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

/* ── Stat cards ── */
.card-stat { align-items: flex-start; }

.stat-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.stat-unit {
  font-size: 1.2rem;
  font-weight: 700;
}

.stat-num-lg {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
  margin: 0.25rem 0;
}

.card-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

/* ── Card icon ── */
.card-icon {
  font-size: 1.75rem;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(232,97,42,0.1);
  color: var(--orange);
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}

.card-result {
  font-weight: 700;
  color: var(--dark) !important;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* ── Dark cards (Why Now section) ── */
.card-dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
}
.card-dark h3 { color: var(--white); }
.card-dark p  { color: rgba(255,255,255,0.75); }

.why-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}

/* ═══════════════════════════════════════
   TECHNOLOGY
═══════════════════════════════════════ */
.rhp-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
@media (max-width: 700px) {
  .rhp-pillars { grid-template-columns: 1fr; }
}

.rhp-pillar {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.rhp-pillar strong { font-size: 0.95rem; color: var(--dark); }
.rhp-pillar span   { font-size: 0.85rem; color: var(--text); }

/* Temperature bar */
.temp-range { display: flex; flex-direction: column; gap: 0.5rem; }
.temp-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
}
.temp-bar {
  height: 10px;
  background: var(--bg-light);
  border-radius: 99px;
  overflow: hidden;
}
.temp-bar-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--teal) 0%, var(--orange) 100%);
  border-radius: 99px;
}
.temp-carnot {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-light);
}

/* Check list */
.check-list { display: flex; flex-direction: column; gap: 0.5rem; }
.check-list li {
  padding-left: 1.4rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text);
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ═══════════════════════════════════════
   FLEXIBILITY — Timeline cards
═══════════════════════════════════════ */
.card-timeline { position: relative; overflow: hidden; }
.card-timeline::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  width: 100%;
  background: var(--border);
}
.card-timeline--active::after { background: var(--teal); }

.timeline-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}
.temp-tag {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--teal);
  margin: 0.25rem 0;
}

/* ═══════════════════════════════════════
   COMPETITION TABLE
═══════════════════════════════════════ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-table thead tr {
  background: var(--teal);
  color: var(--white);
}
.compare-table th {
  padding: 0.9rem 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.compare-table th:first-child { text-align: left; }

.compare-table td {
  padding: 0.85rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.compare-table td:first-child { text-align: left; font-weight: 500; }
.compare-table tbody tr:hover { background: var(--bg-light); }

.competitor { font-size: 0.78rem; color: var(--text-light); font-weight: 400; }

.cell-yes     { color: var(--teal); font-weight: 700; font-size: 1.1rem; }
.cell-no      { color: #CBD5E0; font-size: 1.1rem; }
.cell-partial { color: var(--text-light); font-size: 0.82rem; font-style: italic; }

.row-bik td        { background: rgba(232,97,42,0.05); font-weight: 600; color: var(--dark); }
.row-bik .cell-yes { color: var(--orange); }
.row-bik td:first-child { color: var(--orange); }

/* Barriers */
.barriers {
  padding: 1.75rem;
  background: var(--bg-light);
  border-radius: var(--radius);
  border-left: 4px solid var(--teal);
}
.barriers h3 { margin-bottom: 1rem; }

.callout-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-style: italic;
  font-weight: 500;
}

/* ═══════════════════════════════════════
   TRACTION — Roadmap
═══════════════════════════════════════ */
.roadmap h3 { margin-bottom: 2rem; }

.roadmap-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Vertical connecting line */
.roadmap-track::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--border);
}

.roadmap-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding-bottom: 1.75rem;
  position: relative;
}
.roadmap-step:last-child { padding-bottom: 0; }

.roadmap-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
  margin-top: 2px;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--orange);
  position: relative;
  z-index: 1;
}

.roadmap-content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.roadmap-date {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.roadmap-content strong { color: var(--dark); }
.roadmap-content p { font-size: 0.88rem; color: var(--text-light); }

.asset-light {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
}

/* Pipeline list */
.pipeline-list { display: flex; flex-direction: column; gap: 0.75rem; }
.pipeline-list li {
  padding-left: 1rem;
  border-left: 3px solid var(--teal);
  font-size: 0.9rem;
}
.pipeline-list strong { color: var(--dark); }

/* ═══════════════════════════════════════
   BUSINESS MODEL
═══════════════════════════════════════ */
.revenue-streams {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
  font-size: 0.9rem;
}
.revenue-streams strong { color: var(--dark); }

.stream-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 99px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-size: 0.82rem;
  font-weight: 600;
}

/* ═══════════════════════════════════════
   TEAM
═══════════════════════════════════════ */
.team-card {
  flex-direction: row;
  gap: 1.25rem;
  align-items: flex-start;
}
@media (max-width: 600px) {
  .team-card { flex-direction: column; }
}

.team-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  /* Replace with actual photo as CSS background-image when available */
}

.team-info { display: flex; flex-direction: column; gap: 0.35rem; }
.team-role { font-size: 0.88rem; color: var(--text-light); font-weight: 500; }
.team-info ul { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.5rem; }
.team-info li {
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 1rem;
  position: relative;
}
.team-info li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

.partners-strip {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: var(--radius);
}
.partner-item { display: flex; flex-direction: column; gap: 0.2rem; }
.partner-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  font-weight: 600;
}
.partner-item strong { color: var(--dark); }
.partner-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.team-building {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-light);
  text-align: center;
}

/* ═══════════════════════════════════════
   HIGHLIGHT BOX
═══════════════════════════════════════ */
.highlight-box {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: rgba(46,139,139,0.07);
  border-radius: var(--radius);
  border-left: 4px solid var(--teal);
}
.highlight-box p { font-size: 0.95rem; color: var(--dark); }
.highlight-box strong { color: var(--dark); }

/* ═══════════════════════════════════════
   PILOT FORM
═══════════════════════════════════════ */
.pilot-perks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}
.perk-tag {
  background: rgba(232,97,42,0.08);
  color: var(--orange);
  border: 1px solid rgba(232,97,42,0.25);
  border-radius: 99px;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.pilot-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
}
.req { color: var(--orange); }

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(232,97,42,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #A0AEC0; }
.form-group textarea { resize: vertical; min-height: 100px; }

/* Checkboxes */
.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
@media (max-width: 560px) {
  .checkbox-group { grid-template-columns: 1fr; }
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition);
}
.checkbox-label:hover { border-color: var(--orange); background: rgba(232,97,42,0.04); }
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--orange);
  flex-shrink: 0;
  padding: 0;
  border: none;
  box-shadow: none;
}
.checkbox-label input[type="checkbox"]:focus { outline: 2px solid var(--orange); }

.form-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-legal { font-size: 0.78rem; color: var(--text-light); }

.form-success {
  padding: 1rem 1.25rem;
  background: rgba(46,139,139,0.1);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--teal);
  color: var(--dark);
  font-size: 0.9rem;
}
.form-error {
  padding: 1rem 1.25rem;
  background: rgba(232,97,42,0.08);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--orange);
  color: var(--dark);
  font-size: 0.9rem;
}
.form-error a { color: var(--orange); text-decoration: underline; }

/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
.contact-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  transition: color var(--transition);
}
.contact-item:hover { color: var(--orange); }
.contact-icon {
  font-size: 1.25rem;
  color: var(--teal);
}

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  padding: 3rem 1.25rem 2rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 280px;
}
.footer-brand .nav-logo { font-size: 1.35rem; margin-bottom: 0.25rem; }
.footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.55); }
.patent-note {
  font-size: 0.75rem !important;
  color: var(--teal) !important;
  font-weight: 600;
  margin-top: 0.25rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  align-items: flex-start;
  padding-top: 0.25rem;
}
.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--white); }

/* ═══════════════════════════════════════
   HERO — client tags strip
═══════════════════════════════════════ */
.hero-clients {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}
.client-tag {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.75);
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ═══════════════════════════════════════
   THERMAL SHIFT — 3-stage track
═══════════════════════════════════════ */
.shift-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin-top: 2rem;
}
@media (max-width: 900px) {
  .shift-track {
    grid-template-columns: 1fr;
  }
  .shift-arrow { transform: rotate(90deg); justify-self: center; }
}

.shift-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border-top: 4px solid var(--border);
}
.shift-card--active {
  border-top-color: var(--teal);
  box-shadow: var(--shadow-md);
}

.shift-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}
.shift-stage {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.shift-temp {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal);
  background: rgba(46,139,139,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
}

.shift-status {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: 99px;
  display: inline-block;
  align-self: flex-start;
}
.shift-status--now    { background: rgba(232,97,42,0.1); color: var(--orange); }
.shift-status--active { background: rgba(46,139,139,0.1); color: var(--teal); }
.shift-status--next   { background: rgba(26,35,50,0.08); color: var(--dark); }

.shift-drivers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.shift-drivers span {
  font-size: 0.75rem;
  background: var(--bg-light);
  color: var(--text-light);
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
  font-weight: 500;
}

.shift-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem;
  font-size: 1.5rem;
  color: var(--border);
  font-weight: 300;
}

/* ═══════════════════════════════════════
   GERMANY SECTION
═══════════════════════════════════════ */
.germany-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}
@media (max-width: 700px) {
  .germany-grid { grid-template-columns: 1fr; }
}

.germany-stat-block {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.germany-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.germany-stat-block p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
}
.germany-stat-block strong { color: rgba(255,255,255,0.9); }

.germany-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.germany-body p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
}
.germany-body em { font-style: italic; }
.germany-body strong { color: rgba(255,255,255,0.95); }

.germany-callout {
  background: rgba(46,139,139,0.12);
  border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
}
.germany-callout p {
  font-size: 1rem;
  font-style: italic;
  color: rgba(255,255,255,0.85);
  margin-bottom: 0.5rem;
}
.germany-callout cite {
  font-size: 0.82rem;
  color: var(--teal);
  font-style: normal;
  font-weight: 600;
}

/* ═══════════════════════════════════════
   DIRECT CONTACT (below form)
═══════════════════════════════════════ */
.direct-contact {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════
   TEAM BUILDING BLOCK
═══════════════════════════════════════ */
.team-building-block {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: rgba(46,139,139,0.07);
  border-radius: var(--radius);
  border-left: 4px solid var(--teal);
}
.team-building-block p {
  font-size: 0.95rem;
  color: var(--text);
}
.team-building-block strong { color: var(--dark); }

/* ═══════════════════════════════════════
   COOKIE BANNER (GDPR)
═══════════════════════════════════════ */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 2000;
  background: var(--dark);
  border-top: 2px solid var(--orange);
  padding: 1rem 1.25rem;
}
.cookie-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  margin: 0;
  flex: 1;
  min-width: 200px;
}
.cookie-banner p a {
  color: var(--teal);
  text-decoration: underline;
}
.cookie-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.cookie-link {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  text-decoration: underline;
}
.cookie-link:hover { color: var(--white); }

/* ═══════════════════════════════════════
   RESPONSIVE — final tweaks
═══════════════════════════════════════ */
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat-num { font-size: 1.4rem; }
  .stat-num { font-size: 2rem; }
  .partners-strip { flex-direction: column; }
  .partner-divider { width: 100%; height: 1px; }
  .footer-inner { flex-direction: column; gap: 2rem; }
  .roadmap-track::before { left: 9px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .pilot-form { padding: 1.25rem; }
}