/* ========================================================================
   NEXSPIRE — main.css
   Stack soberano electroenergético | nexspire.io
   ======================================================================== */

/* ---------- CSS Variables ---------- */
:root {
  /* Color system — Dark (default) */
  --bg-primary: #050814;
  --bg-secondary: #0A1126;
  --bg-elevated: #0F1B33;
  --bg-glass: rgba(15, 27, 51, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(46, 111, 247, 0.4);

  --text-primary: #E6EDF3;
  --text-secondary: #8B95A1;
  --text-tertiary: #4A5568;

  --accent-primary: #2E6FF7;
  --accent-secondary: #00B8D4;
  --accent-glow: rgba(46, 111, 247, 0.35);
  --accent-glow-2: rgba(0, 184, 212, 0.25);

  /* Sub-brand accents */
  --color-charge: #00C896;
  --color-enclosures: #6B7C93;
  --color-dtwin: #00B8D4;
  --color-care: #F97316;
  --color-labs: #9333EA;
  --color-grid: #EAB308;
  --color-secure: #DC2626;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2E6FF7 0%, #00B8D4 100%);
  --gradient-alt: linear-gradient(135deg, #9333EA 0%, #2E6FF7 100%);
  --gradient-mesh: radial-gradient(at 20% 0%, rgba(46, 111, 247, 0.15) 0%, transparent 50%),
                   radial-gradient(at 80% 50%, rgba(0, 184, 212, 0.1) 0%, transparent 50%),
                   radial-gradient(at 0% 100%, rgba(147, 51, 234, 0.08) 0%, transparent 50%);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Layout */
  --container-max: 1280px;
  --container-padding: 1.5rem;
  --header-height: 72px;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 60px var(--accent-glow);
}

[data-theme="light"] {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F4F6F8;
  --bg-elevated: #FFFFFF;
  --bg-glass: rgba(255,255,255,0.8);
  --border: rgba(0,0,0,0.08);
  --text-primary: #1A1A1F;
  --text-secondary: #4A5568;
  --text-tertiary: #8B95A1;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease-out); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: rgba(46, 111, 247, 0.1);
  color: var(--accent-secondary);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  border: 1px solid rgba(46, 111, 247, 0.2);
}

/* Selection */
::selection { background: var(--accent-primary); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 10px; border: 2px solid var(--bg-primary); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* ---------- Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 2;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}
.gradient-text-alt {
  background: var(--gradient-alt);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: var(--space-4);
  display: inline-block;
}

/* Background mesh + particles */
.bg-mesh {
  position: fixed;
  inset: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
}
.bg-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* Fade-in scroll animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: var(--delay, 0s);
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 10px;
  transition: all 0.2s var(--ease-out);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn--lg { padding: 1rem 2rem; font-size: 1rem; border-radius: 12px; }
.btn--sm { padding: 0.5rem 1rem; font-size: 0.875rem; border-radius: 8px; }

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(46,111,247,0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46,111,247,0.5);
}
.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn--primary:hover::after { opacity: 1; }

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn--ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--border-hover);
  color: var(--accent-secondary);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(5, 8, 20, 0.6);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease-out);
}
.header.is-scrolled {
  background: rgba(5, 8, 20, 0.85);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.05em;
}
.nav__logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: var(--font-sans);
  letter-spacing: 0.12em;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav__menu a {
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}
.nav__menu a:hover {
  color: var(--text-primary);
}
.nav__menu a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--accent-primary);
  transition: width 0.3s var(--ease-out);
}
.nav__menu a:hover::after {
  width: 100%;
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

@media (max-width: 900px) {
  .nav__menu, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav__menu.is-open {
    display: flex;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--bg-elevated);
    flex-direction: column;
    padding: 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border);
  }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero__container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 960px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--accent-secondary);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-secondary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 2.5rem;
}
.hero__subtitle strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.chip__icon { font-size: 1rem; line-height: 1; }

.hero__decoration {
  position: absolute;
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  width: 800px;
  height: 800px;
  pointer-events: none;
  opacity: 0.6;
}
.hero__svg { width: 100%; height: 100%; }

.coil-path {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: drawCoil 3s var(--ease-out) forwards;
}
@keyframes drawCoil {
  to { stroke-dashoffset: 0; }
}

.marker {
  animation: markerPulse 2.5s ease-in-out infinite;
}
@keyframes markerPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

@media (max-width: 768px) {
  .hero { min-height: auto; padding-top: calc(var(--header-height) + 2rem); }
  .hero__decoration { display: none; }
}

/* ---------- One-liner ---------- */
.oneliner {
  padding: var(--space-24) 0;
  text-align: center;
}
.oneliner__text {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: 920px;
  margin: 0 auto;
  letter-spacing: -0.01em;
}

/* ---------- Section header ---------- */
.section__head {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Divisions grid ---------- */
.divisions {
  padding: var(--space-24) 0;
  position: relative;
}
.divisions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.division-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  isolation: isolate;
}
.division-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--card-glow, transparent) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  z-index: -1;
}
.division-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-color, var(--border-hover));
  box-shadow: 0 12px 40px rgba(0,0,0,0.4),
              0 0 0 1px var(--card-color, transparent);
}
.division-card:hover::before { opacity: 0.15; }

.division-card[data-color] {
  --card-color: attr(data-color);
}
.division-card[data-color="#00B8D4"] { --card-color: #00B8D4; --card-glow: rgba(0,184,212,0.4); }
.division-card[data-color="#DC2626"] { --card-color: #DC2626; --card-glow: rgba(220,38,38,0.4); }
.division-card[data-color="#9333EA"] { --card-color: #9333EA; --card-glow: rgba(147,51,234,0.4); }
.division-card[data-color="#00C896"] { --card-color: #00C896; --card-glow: rgba(0,200,150,0.4); }
.division-card[data-color="#6B7C93"] { --card-color: #6B7C93; --card-glow: rgba(107,124,147,0.4); }
.division-card[data-color="#F97316"] { --card-color: #F97316; --card-glow: rgba(249,115,22,0.4); }
.division-card[data-color="#EAB308"] { --card-color: #EAB308; --card-glow: rgba(234,179,8,0.4); }

.division-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.division-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--card-color, var(--accent-primary));
  transition: all 0.3s;
}
.division-card__icon svg { width: 22px; height: 22px; }
.division-card:hover .division-card__icon {
  background: var(--card-color, var(--accent-primary));
  color: #fff;
  border-color: transparent;
}

.division-card__status {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  padding: 0.25rem 0.625rem;
  background: var(--bg-secondary);
  border-radius: 100px;
  border: 1px solid var(--border);
}
.division-card__status--active {
  color: var(--accent-secondary);
  border-color: var(--accent-secondary);
  background: rgba(0, 184, 212, 0.1);
}

.division-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 0.25rem;
}
.division-card__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}
.division-card__cta {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--card-color, var(--accent-primary));
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.2s;
}
.division-card:hover .division-card__cta { gap: 0.875rem; }

.division-card--active {
  border-color: rgba(0, 184, 212, 0.25);
}

.division-card--vision {
  background: linear-gradient(135deg, rgba(46,111,247,0.08), rgba(0,184,212,0.05));
  border: 1px dashed var(--border-hover);
  cursor: default;
}
.division-card--vision:hover {
  transform: none;
  box-shadow: none;
}

/* ---------- Why pillars ---------- */
.why {
  padding: var(--space-24) 0;
}
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.pillar {
  padding: 2rem 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s var(--ease-out);
}
.pillar:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}
.pillar__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 4px 12px rgba(46,111,247,0.3));
}
.pillar__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
  letter-spacing: -0.01em;
}
.pillar__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Active deep dive ---------- */
.active-deep {
  padding: var(--space-24) 0;
  position: relative;
}
.active-deep__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.active-card {
  padding: 2rem;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}
.active-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent, var(--accent-primary));
  opacity: 0.6;
}
.active-card__head {
  margin-bottom: 1rem;
}
.active-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent, var(--accent-primary));
  background: color-mix(in srgb, var(--accent, var(--accent-primary)) 15%, transparent);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}
.active-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.active-card__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.active-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.active-card__features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
}
.active-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent, var(--accent-primary));
  font-weight: 700;
}

/* ---------- Tech stack layers ---------- */
.stack {
  padding: var(--space-24) 0;
}
.stack__layers {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.stack__layer {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  align-items: center;
  padding: 1.25rem 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all 0.3s var(--ease-out);
}
.stack__layer:hover {
  transform: translateX(4px);
  border-color: var(--accent-primary);
}
.stack__layer-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-secondary);
}
.stack__layer-content {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.stack__layer-content code {
  background: var(--bg-secondary);
}
@media (max-width: 600px) {
  .stack__layer { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ---------- Stats ---------- */
.stats {
  padding: var(--space-16) 0 var(--space-24);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  background: linear-gradient(180deg, transparent, rgba(46,111,247,0.03));
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat__value {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  font-feature-settings: 'tnum';
}
.stat__suffix {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 0.25rem;
}
.stat__label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: 0.5rem;
  line-height: 1.4;
}

/* ---------- Founder ---------- */
.founder {
  padding: var(--space-24) 0;
}
.founder__container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 900px) {
  .founder__container { grid-template-columns: 1fr; gap: 2rem; }
}
.founder__bio {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.founder__bio:last-of-type { margin-bottom: 1.75rem; }
.founder__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.founder__visual {
  display: flex;
  justify-content: center;
}
.founder__card {
  width: 100%;
  max-width: 440px;
  padding: 2rem;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}
.founder__card::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px; bottom: -1px;
  background: var(--gradient-primary);
  border-radius: 20px;
  z-index: -1;
  opacity: 0.4;
}
.founder__card-mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.founder__card-mono > div {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border);
}
.founder__card-mono > div:last-child { border-bottom: 0; }
.founder__card-key {
  color: var(--accent-secondary);
  margin-right: 0.5rem;
  font-weight: 600;
}

/* ---------- CTA ---------- */
.cta {
  padding: var(--space-24) 0;
}
.cta__inner {
  background: linear-gradient(135deg,
    rgba(46,111,247,0.12) 0%,
    rgba(0,184,212,0.08) 50%,
    rgba(147,51,234,0.06) 100%);
  border: 1px solid var(--border-hover);
  border-radius: 24px;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(46,111,247,0.15), transparent 70%);
  z-index: -1;
}
.cta__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.cta__subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto 2rem;
}
.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-24) 0 var(--space-12);
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}
.footer__tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 280px;
}

.footer__col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.footer__col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer__col a:hover {
  color: var(--accent-secondary);
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in { opacity: 1; transform: none; }
}