/* — Variables — */
:root {
  --bg: #050d1a;
  --surface: #0a1628;
  --surface-2: #0f1f38;
  --border: rgba(0, 212, 170, 0.12);
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --text: #e8f0f8;
  --text-dim: #7a9ab8;
  --text-muted: #4a6a88;
  --font-head: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* — Reset — */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); font-weight: 400; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* — Navbar — */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}
.navbar-logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-mark { font-size: 1.1rem; color: var(--accent); }
.logo-name { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em; }
.navbar-tagline { font-size: 0.8rem; color: var(--text-dim); font-family: var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; }

/* — Hero — */
.hero {
  padding: 6rem 2rem 5rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}
.hero-eyebrow {
  font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); font-family: var(--font-body); font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-highlight { color: var(--accent); }
.hero-lede {
  font-size: 1.1rem; color: var(--text-dim); max-width: 560px; line-height: 1.7;
  margin-bottom: 3.5rem;
}
.hero-stat-row {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
  max-width: 600px;
}
.hero-stat {
  flex: 1; padding: 1.25rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.25rem;
}
.hero-stat-num {
  font-family: var(--font-head); font-size: 1.6rem; font-weight: 700;
  color: var(--accent);
}
.hero-stat-label { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.04em; }
.hero-stat-divider { width: 1px; background: var(--border); align-self: stretch; }

/* — Problem — */
.problem { padding: 5rem 2rem; background: var(--surface); }
.problem-inner { max-width: 900px; margin: 0 auto; }
.problem-label, .solution-label, .products-label {
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1rem;
}
.problem-heading {
  font-family: var(--font-head); font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -0.02em;
  margin-bottom: 3rem; max-width: 600px;
}
.problem-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.problem-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.75rem;
}
.problem-card-icon { font-size: 1.4rem; color: #e05252; margin-bottom: 1rem; }
.problem-card h3 { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; margin-bottom: 0.6rem; }
.problem-card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; }

/* — Solution — */
.solution { padding: 5rem 2rem; }
.solution-inner { max-width: 900px; margin: 0 auto; }
.solution-heading {
  font-family: var(--font-head); font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.solution-philosophy { max-width: 580px; }
.solution-philosophy p { font-size: 1.05rem; color: var(--text-dim); line-height: 1.7; margin-bottom: 3rem; }
.solution-pillars { display: flex; flex-direction: column; gap: 1.5rem; }
.solution-pillar {
  display: flex; gap: 2rem; align-items: flex-start;
  padding: 1.5rem; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface);
}
.pillar-number { font-family: var(--font-head); font-size: 1.4rem; font-weight: 700; color: var(--accent); min-width: 2.5rem; }
.pillar-content h3 { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; margin-bottom: 0.4rem; }
.pillar-content p { font-size: 0.9rem; color: var(--text-dim); }

/* — Products — */
.products { padding: 5rem 2rem; background: var(--surface); }
.products-inner { max-width: 900px; margin: 0 auto; }
.products-heading {
  font-family: var(--font-head); font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; letter-spacing: -0.02em; margin-bottom: 2.5rem;
}
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.product-card {
  border: 1px solid var(--border); border-radius: 8px; padding: 1.75rem;
  background: var(--bg); display: flex; flex-direction: column; gap: 0.75rem;
}
.product-card--featured { border-color: var(--accent); background: var(--accent-dim); }
.product-tag { font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.product-name { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; }
.product-desc { font-size: 0.88rem; color: var(--text-dim); line-height: 1.6; flex: 1; }
.product-price { font-family: var(--font-head); font-weight: 600; font-size: 0.9rem; color: var(--text); padding-top: 0.75rem; border-top: 1px solid var(--border); }

/* — Manifesto — */
.manifesto { padding: 5rem 2rem; }
.manifesto-inner { max-width: 800px; margin: 0 auto; }
.manifesto-rule { width: 40px; height: 3px; background: var(--accent); margin-bottom: 2.5rem; }
.manifesto-quote {
  font-family: var(--font-head); font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 600; line-height: 1.4; letter-spacing: -0.01em;
  color: var(--text); font-style: normal; margin-bottom: 1.5rem;
}
.manifesto-attribution { font-size: 0.85rem; color: var(--text-dim); }

/* — Closing — */
.closing { padding: 5rem 2rem; background: var(--surface); }
.closing-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.closing-heading { font-family: var(--font-head); font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.closing-body { font-size: 1.05rem; color: var(--text-dim); line-height: 1.7; max-width: 560px; margin: 0 auto 1rem; }
.closing-body--accent { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; color: var(--accent); }

/* — Footer — */
.footer { padding: 3rem 2rem 2rem; border-top: 1px solid var(--border); }
.footer-inner { max-width: 900px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 2rem; }
.footer-logo { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--text); display: block; margin-bottom: 0.5rem; }
.footer-desc { font-size: 0.8rem; color: var(--text-dim); line-height: 1.6; }
.footer-links { display: flex; gap: 1.5rem; align-items: center; }
.footer-links span { font-size: 0.8rem; color: var(--text-dim); cursor: pointer; }
.footer-links span:hover { color: var(--text); }
.footer-bottom { max-width: 900px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.footer-bottom p { font-size: 0.75rem; color: var(--text-muted); }

/* — Responsive — */
@media (max-width: 600px) {
  .hero { padding: 4rem 1.5rem 3rem; }
  .hero-stat-row { flex-direction: column; }
  .hero-stat-divider { width: 100%; height: 1px; }
  .hero-headline { font-size: 2.2rem; }
  .navbar { padding: 1rem 1.5rem; }
  .navbar-tagline { display: none; }
  .footer-inner { flex-direction: column; }
}