@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');

:root {
  --cyan: #06B6D4;
  --cyan-dark: #0891B2;
  --ink: #0B2027;
  --paper: #F7FAFA;
  --amber: #F97316;
  --slate: #5C7780;
  --border: #DCE7E9;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan-dark); }

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */

header {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.1rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.logo span { color: var(--cyan-dark); }

nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--amber);
  text-decoration: none;
  background: #FFF4EB;
  border: 1px solid #FFDFC2;
  padding: 9px 16px;
  border-radius: 100px;
  margin-left: 24px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

nav a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

nav a:hover { background: #FFE7D2; border-color: #FFCC9E; }

/* ---------- hero ---------- */

.hero {
  padding: 72px 0 56px;
  background: radial-gradient(ellipse 900px 500px at 15% 0%, rgba(6, 182, 212, 0.07), transparent 70%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--amber);
  background: #FFF4EB;
  border: 1px solid #FFDFC2;
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero p.lede {
  font-size: 1.15rem;
  color: var(--slate);
  max-width: 560px;
  margin-bottom: 36px;
}

/* ---------- signature element: cycling status tags ---------- */

.tag-strip {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  opacity: 0.35;
  transform: translateY(2px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.tag.active {
  opacity: 1;
  transform: translateY(0);
}

.tag-urgent { background: #FFF1F0; color: #C0392B; border-color: #F8D0CC; }
.tag-trending { background: #ECFDF5; color: #0F7A54; border-color: #C7EFDD; }
.tag-slow { background: #F1F5F6; color: var(--slate); border-color: var(--border); }

/* ---------- CTA ---------- */

.cta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 10px;
  transition: background 0.2s ease;
}

.btn-primary:hover { background: var(--cyan-dark); }

.cta-note {
  font-size: 0.85rem;
  color: var(--slate);
}

/* ---------- feature strip ---------- */

.features {
  padding: 48px 0 64px;
  border-top: 1px solid var(--border);
}

.features .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 28px;
}

.features h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
}

.feature h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.92rem;
  color: var(--slate);
}

.feature .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--cyan-dark);
  margin-bottom: 10px;
  display: block;
}

@media (max-width: 680px) {
  .features .grid { grid-template-columns: 1fr; }
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer p {
  font-size: 0.85rem;
  color: var(--slate);
}

footer div { display: flex; gap: 10px; }

footer a {
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

footer a:hover { background: var(--paper); border-color: var(--cyan); color: var(--cyan-dark); }

/* ---------- article page ---------- */

article {
  padding: 48px 0 80px;
}

.article-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--amber);
  margin-bottom: 16px;
}

article h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  margin-bottom: 28px;
}

article h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  margin: 40px 0 14px;
  color: var(--ink);
}

article p {
  font-size: 1.03rem;
  color: #1E3A42;
  margin-bottom: 18px;
}

article ul {
  margin: 0 0 20px 22px;
}

article li {
  font-size: 1.03rem;
  color: #1E3A42;
  margin-bottom: 8px;
}

article strong { color: var(--ink); }

.pull-box {
  background: #ECFEFF;
  border: 1px solid #B8ECF3;
  border-left: 3px solid var(--cyan);
  border-radius: 8px;
  padding: 20px 22px;
  margin: 28px 0;
  font-size: 0.98rem;
}

.pull-box p:last-child { margin-bottom: 0; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

.article-cta {
  background: var(--ink);
  color: #fff;
  border-radius: 12px;
  padding: 32px;
  margin-top: 36px;
}

.article-cta p { color: #C9DEE3; margin-bottom: 18px; }
.article-cta strong { color: #fff; }