:root {
  --deep-navy: #061118;
  --elemi-mint: #9bd99a;
  --cool-white: #e7eef2;
  --action-orange: #f59a3d;
  --panel: rgba(10, 24, 34, 0.82);
  --panel-border: rgba(155, 217, 154, 0.16);
  --text-soft: rgba(231, 238, 242, 0.72);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--cool-white);
  background:
    radial-gradient(circle at top left, rgba(155, 217, 154, 0.12), transparent 28%),
    radial-gradient(circle at right 20%, rgba(245, 154, 61, 0.08), transparent 22%),
    linear-gradient(180deg, #07131b 0%, var(--deep-navy) 58%, #03090e 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(231, 238, 242, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 238, 242, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.85));
}

.site-shell {
  position: relative;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  display: block;
  width: clamp(168px, 28vw, 240px);
  height: auto;
}

.lang-switch {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(231, 238, 242, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
}

.lang-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cool-white);
  background: transparent;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.lang-button:hover,
.lang-button:focus-visible {
  outline: none;
  background: rgba(155, 217, 154, 0.12);
}

.lang-button.is-active {
  color: var(--deep-navy);
  background: var(--elemi-mint);
}

.hero {
  padding: 42px 0 54px;
}

.eyebrow,
.panel-label {
  margin: 0 0 14px;
  color: var(--elemi-mint);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
p,
blockquote,
ul {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-copy,
.panel p,
blockquote,
.feature-list {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-copy {
  max-width: 700px;
  font-size: 1.08rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid rgba(231, 238, 242, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--cool-white);
  font-size: 0.92rem;
  font-weight: 600;
}

.grid-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.panel {
  grid-column: span 4;
  padding: 28px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(10, 24, 34, 0.9), rgba(7, 17, 24, 0.72));
  box-shadow: var(--shadow);
}

.panel-large {
  grid-column: span 6;
}

.secondary-grid .panel {
  grid-column: span 6;
}

.feature-list {
  margin-bottom: 0;
  padding-left: 18px;
}

.feature-list li + li {
  margin-top: 10px;
}

.compact li + li {
  margin-top: 8px;
}

blockquote {
  margin-bottom: 0;
  padding-left: 18px;
  border-left: 3px solid var(--action-orange);
}

.footer {
  margin-top: 22px;
  padding: 24px 4px 0;
}

.footer p {
  max-width: 640px;
  color: rgba(231, 238, 242, 0.58);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .panel,
  .panel-large,
  .secondary-grid .panel {
    grid-column: span 12;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 16px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 36px;
  }

  .brand-logo {
    width: min(72vw, 220px);
  }

  .hero {
    padding-top: 12px;
    padding-bottom: 34px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.7rem, 15vw, 4.4rem);
  }

  .panel {
    padding: 22px;
    border-radius: 20px;
  }
}