:root {
  --bg: #071116;
  --bg-soft: #0b1b22;
  --bg-card: #10262f;
  --text: #eff8f7;
  --muted: #a9c1c0;
  --line: rgba(255,255,255,0.12);
  --accent: #68f0c8;
  --accent-2: #8bb8ff;
  --warning: #ffd166;
  --shadow: 0 24px 70px rgba(0,0,0,0.32);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(104,240,200,0.16), transparent 34rem),
    radial-gradient(circle at top right, rgba(139,184,255,0.12), transparent 36rem),
    var(--bg);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3.25rem, 8vw, 6.7rem);
  max-width: 920px;
}

h2 {
  font-size: clamp(2.1rem, 4vw, 4.2rem);
}

h3 {
  font-size: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(18px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 750;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #071116;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(104,240,200,0.22);
}

.logo-text {
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.text-link:hover {
  color: var(--accent);
}

.language-switch {
  display: flex;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.language-switch button {
  cursor: pointer;
  color: var(--muted);
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 0.45rem 0.7rem;
  font-weight: 700;
}

.language-switch .active {
  color: #071116;
  background: var(--accent);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6rem 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 76px);
  padding-top: 4rem;
}

.hero-lead {
  margin-top: 1.5rem;
  color: var(--text);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  max-width: 760px;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 780px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #071116;
  background: var(--accent);
}

.button.secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.button.full {
  width: 100%;
}

.hero-card,
.kpi-card,
.insight-grid article,
.audience-grid div,
.founder-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.25rem;
}

.card-label {
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
  color: #071116;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 18px;
  font-weight: 850;
}

.metric {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.metric:last-child {
  border-bottom: 0;
}

.metric span {
  display: block;
  color: var(--accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
}

.metric strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.1rem;
}

.intro-grid,
.split,
.deliverables,
.contact {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.strong-line {
  color: var(--text);
  font-weight: 750;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 2rem;
}

.section-heading p {
  font-size: 1.15rem;
}

.problem {
  border-top: 1px solid var(--line);
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.prompt {
  min-height: 118px;
  display: flex;
  align-items: center;
  padding: 1.2rem;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.045);
  font-size: 1.05rem;
}

.callout {
  margin-top: 1.2rem;
  padding: 1.5rem;
  border: 1px solid rgba(104,240,200,0.28);
  border-radius: var(--radius);
  background: rgba(104,240,200,0.08);
}

.callout p {
  color: var(--accent);
  font-weight: 800;
}

.callout h3 + h3 {
  margin-top: 0.45rem;
  color: var(--accent-2);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.kpi-card {
  padding: 1.2rem;
  min-height: 185px;
}

.kpi-card h3 {
  margin-bottom: 0.8rem;
}

.steps {
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
}

.step span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  color: #071116;
  background: var(--accent);
  font-weight: 900;
}

.step p {
  margin-top: 0.45rem;
  margin-bottom: 0;
}

.insights {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.045));
  max-width: none;
  padding-left: calc((100vw - var(--max)) / 2 + 1.25rem);
  padding-right: calc((100vw - var(--max)) / 2 + 1.25rem);
}

.insights .section-heading,
.insights .insight-grid {
  max-width: var(--max);
}

.insight-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.insight-grid article,
.audience-grid div {
  padding: 1.3rem;
}

.insight-grid p,
.audience-grid p {
  margin-top: 0.65rem;
  margin-bottom: 0;
}

.definitions dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.definitions dl div {
  padding: 1.3rem;
  background: var(--bg-soft);
}

.definitions dt {
  color: var(--text);
  font-weight: 850;
  margin-bottom: 0.5rem;
}

.definitions dd {
  margin: 0;
  color: var(--muted);
}

.deliverables-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.deliverables-list span {
  display: inline-flex;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,0.045);
  font-weight: 700;
}

.founder-card {
  padding: 2rem;
  max-width: 850px;
}

.founder-title {
  color: var(--accent);
  font-weight: 800;
  margin: 0.8rem 0 1.2rem;
}

.text-link {
  color: var(--text);
  font-weight: 850;
  border-bottom: 1px solid var(--accent);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}

.mission-grid div {
  padding: 1rem;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  font-weight: 750;
}

.contact {
  align-items: stretch;
}

.contact-card {
  padding: 1.5rem;
}

.contact-card h3 {
  margin-bottom: 0.6rem;
}

.contact-card .button {
  margin-top: 0.75rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  gap: 1rem;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero,
  .intro-grid,
  .split,
  .deliverables,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .prompt-grid,
  .kpi-grid,
  .insight-grid,
  .audience-grid,
  .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-card {
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4rem 1rem;
  }

  .site-header {
    padding: 0.9rem 1rem;
  }

  .logo-text {
    display: none;
  }

  h1 {
    font-size: 3rem;
  }

  .prompt-grid,
  .kpi-grid,
  .insight-grid,
  .audience-grid,
  .definitions dl,
  .mission-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    flex-wrap: wrap;
  }
}