:root {
  --bg: #05070b;
  --panel: #0d1118;
  --panel2: #121824;
  --ink: #f5f7fb;
  --muted: #9aa8ba;
  --cyan: #27d3ff;
  --blue: #3478f6;
  --violet: #8b5cf6;
  --green: #20c997;
  --amber: #ffb020;
  --red: #ff4e6a;
  --line: rgba(148, 163, 184, .18);
  --max: 1280px;
  --radius: 22px;
  --shadow: 0 26px 80px rgba(0, 0, 0, .38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(circle at 80% 0%, rgba(52, 120, 246, .12), transparent 30%), 
              radial-gradient(circle at 10% 20%, rgba(39, 211, 255, .08), transparent 28%), 
              var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 7, 11, .84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: auto;
  padding: 11px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 950;
}

.brand img {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 14px;
  background: #fff;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.links {
  margin-left: auto;
  display: flex;
  gap: 2px;
}

.links a {
  color: #dbe5f1;
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
  padding: 9px 10px;
  border-radius: 999px;
}

.links a:hover {
  background: rgba(255, 255, 255, .07);
}

.lang {
  background: #101621;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 11px;
  font-weight: 800;
}

.hero, .section {
  max-width: var(--max);
  margin: auto;
  padding: 34px 18px 0;
}

.hero-box {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  padding: 42px;
  border: 1px solid rgba(39, 211, 255, .20);
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(18, 24, 36, .96), rgba(8, 13, 22, .96));
  box-shadow: var(--shadow);
}

.kicker, .chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.kicker {
  padding: 8px 11px;
  color: #a9ecff;
  background: rgba(39, 211, 255, .10);
  border: 1px solid rgba(39, 211, 255, .28);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.chip {
  padding: 6px 9px;
  color: #9cecff;
  background: rgba(39, 211, 255, .08);
  border: 1px solid rgba(39, 211, 255, .20);
}

h1 {
  font-size: clamp(40px, 5.2vw, 72px);
  line-height: 1.01;
  letter-spacing: -.055em;
  margin: 17px 0 15px;
}

.hero p, .lead {
  font-size: 18px;
  line-height: 1.68;
  color: #afbed0;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 16px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid var(--line);
}

.primary {
  color: white;
  background: linear-gradient(90deg, var(--violet), var(--blue));
  box-shadow: 0 12px 28px rgba(52, 120, 246, .22);
}

.ghost {
  color: #e9f3ff;
  background: #111824;
}

.proof-console {
  background: #030507;
  border: 1px solid rgba(32, 201, 151, .25);
  border-radius: 20px;
  padding: 20px;
  font: 13px/1.8 "Cascadia Code", Consolas, monospace;
  color: #cce9df;
}

.proof-console .ok {
  color: #4ade80;
}

.proof-console .warn {
  color: #fbbf24;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 11px;
  margin-top: 18px;
}

.metric, .card, .feature {
  background: linear-gradient(155deg, rgba(18, 24, 36, .96), rgba(10, 14, 21, .96));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric {
  padding: 17px;
}

.metric b {
  display: block;
  font-size: 27px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.section h2 {
  font-size: clamp(29px, 3.6vw, 48px);
  letter-spacing: -.04em;
  margin: 0 0 8px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 16px;
}

.section-head .lead {
  max-width: 790px;
  margin: 0;
}

.feature {
  overflow: hidden;
  box-shadow: 0 18px 55px rgba(0, 0, 0, .18);
}

.feature-media {
  background: #020304;
  padding: 10px;
}

.feature-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 740px;
  object-fit: contain;
  border-radius: 14px;
}

.feature-copy {
  padding: 24px 26px 28px;
}

.feature-copy h3 {
  font-size: 25px;
  margin: 11px 0 8px;
}

.feature-copy p {
  color: #aebed0;
  line-height: 1.66;
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 16px;
}

.feature-grid.reverse {
  grid-template-columns: .75fr 1.25fr;
}

.portrait-wrap {
  display: flex;
  justify-content: center;
  background: linear-gradient(145deg, #080d15, #111a29);
}

.portrait-wrap img {
  max-height: 720px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.architecture {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card {
  padding: 23px;
}

.flow .node {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #090e16;
  text-align: center;
  font-weight: 900;
}

.flow .arrow {
  text-align: center;
  color: var(--cyan);
  font-size: 24px;
  padding: 4px;
}

.fit {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}

.fit .card h3 {
  margin: 6px 0;
}

.fit .card p {
  color: var(--muted);
  line-height: 1.58;
}

.pilot {
  background: linear-gradient(145deg, rgba(139, 92, 246, .16), rgba(52, 120, 246, .11));
  border-color: rgba(139, 92, 246, .34);
}

.footer {
  margin-top: 42px;
  border-top: 1px solid var(--line);
  background: #070a0f;
}

.foot {
  max-width: var(--max);
  margin: auto;
  padding: 25px 18px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

.foot a {
  color: #b8d9ff;
  text-decoration: none;
  font-weight: 800;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .94);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 96vw;
  max-height: 92vh;
  object-fit: contain;
}

.lightbox button {
  position: absolute;
  right: 20px;
  top: 18px;
  background: #111827;
  color: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  width: 44px;
  height: 44px;
  font-size: 22px;
}

.zoom {
  cursor: zoom-in;
}

@media (max-width: 1000px) {
  .links {
    display: none;
  }
  .hero-box, .feature-grid, .feature-grid.reverse, .architecture {
    grid-template-columns: 1fr;
  }
  .metrics {
    grid-template-columns: repeat(3, 1fr);
  }
  .fit {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .hero, .section {
    padding-left: 12px;
    padding-right: 12px;
  }
  .hero-box {
    padding: 24px;
  }
  .brand span {
    display: none;
  }
  .metrics, .fit {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
  }
  .section-head {
    display: block;
  }
  .feature-copy {
    padding: 19px;
  }
  .feature-media {
    padding: 5px;
  }
  h1 {
    font-size: 38px;
  }
}

#validation {
  scroll-margin-top: 90px;
}

.validation-grid .card {
  position: relative;
  overflow: hidden;
}

.validation-grid .card:before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--cyan), var(--violet));
  opacity: .85;
}

.validation-grid .card:hover {
  border-color: rgba(39, 211, 255, .32);
  transform: translateY(-2px);
  transition: .2s ease;
}

/* Startup Estonia Validation Metrics */

#validation-metrics {
    scroll-margin-top: 90px;
}

#validation-metrics .metric {
    border: 1px solid rgba(39,211,255,.18);
}

#validation-metrics .metric:hover {
    border-color: rgba(39,211,255,.38);
    transform: translateY(-2px);
    transition: .2s ease;
}

#validation-metrics .metric b {
    color: #ffffff;
}

#validation-metrics .metric span {
    color: #9aa8ba;
}

#validation-metrics .section-head {
    margin-bottom: 18px;
}