:root {
  --ink: #1b2333;
  --muted: #6a7180;
  --line: #dde1e3;
  --paper: #f4f2ec;
  --card: #ffffff;
  --deep: #16223e;
  --deep-2: #1c2b4d;
  --on-deep: #eef0f6;
  --on-deep-muted: #a6b0cc;
  --accent: #e8603c;
  --accent-2: #d94e2b;
  --accent-soft: #fbe2d7;
  --ok: #2fae6b;
  --max: 960px;
  --font-head: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 1px 2px rgba(22,34,62,0.06), 0 1px 1px rgba(22,34,62,0.04);
  --shadow-md: 0 6px 20px rgba(22,34,62,0.08), 0 2px 6px rgba(22,34,62,0.05);
  --shadow-lg: 0 18px 40px rgba(22,34,62,0.14), 0 6px 14px rgba(22,34,62,0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */

header.site {
  padding: 20px 0;
  background: rgba(22, 34, 62, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--on-deep);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 12px 24px -18px rgba(0,0,0,0.5);
}

header.site .wrap { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 16px; }

.name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--on-deep);
  text-decoration: none;
}

nav.site a {
  position: relative;
  text-decoration: none;
  color: var(--on-deep-muted);
  font-size: 14px;
  font-weight: 500;
  margin-left: 28px;
  padding-bottom: 4px;
  transition: color 0.15s ease;
}

nav.site a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 0.2s ease;
}

nav.site a:hover { color: var(--on-deep); }
nav.site a:hover::after { right: 0; }

nav.site a.current { color: var(--on-deep); }
nav.site a.current::after { right: 0; background: var(--accent); }

/* Hero */

.hero {
  position: relative;
  padding: 72px 0 64px;
  background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.07) 1px, transparent 0),
    linear-gradient(155deg, var(--deep-2) 0%, var(--deep) 62%);
  background-size: 22px 22px, 100% 100%;
  color: var(--on-deep);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% auto;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(232,96,60,0.22), transparent 70%);
  pointer-events: none;
}

.hero .wrap { position: relative; z-index: 1; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--on-deep);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 6px 12px 6px 10px;
  border-radius: 100px;
  margin-bottom: 22px;
}

.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(47,174,107,0.22);
  flex-shrink: 0;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: 40px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 24ch;
  color: var(--on-deep);
}

.hero p {
  font-size: 17px;
  color: var(--on-deep-muted);
  max-width: 58ch;
  margin: 0;
}

.hero.hero-small {
  padding: 52px 0 56px;
}

.hero.hero-small h1 {
  font-size: 30px;
  max-width: 26ch;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stats .stat-num {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 600;
  color: var(--on-deep);
  letter-spacing: -0.01em;
}

.hero-stats .stat-label {
  font-size: 12.5px;
  color: var(--on-deep-muted);
}

section { padding: 56px 0 68px; }

h2.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 32px;
}

h2.section-title::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

/* Sample cards */

.samples {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.samples.samples-list {
  grid-template-columns: 1fr;
}

.sample {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.sample:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,96,60,0.35);
}

.sample-thumb-wrap {
  overflow: hidden;
  background: var(--line);
}

.sample-thumb {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.sample:hover .sample-thumb {
  transform: scale(1.05);
}

.sample-body {
  min-width: 0;
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sample-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
  margin-bottom: 12px;
}

.tag {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--accent-2);
  background: var(--accent-soft);
  padding: 3px 9px;
  border-radius: 5px;
}

.pub {
  font-size: 13px;
  color: var(--muted);
}

.sample h3 {
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.sample p {
  font-size: 14.5px;
  color: #45524b;
  margin: 0 0 16px;
  max-width: 62ch;
}

.sample .note {
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
  margin: -8px 0 14px;
}

.read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-2);
  text-decoration: none;
  margin-top: auto;
}

.read-link svg { width: 13px; height: 13px; transition: transform 0.18s ease; }

.read-link:hover { text-decoration: underline; }
.read-link:hover svg { transform: translate(2px, -2px); }

/* Blog index + post pages */

.blog-teaser {
  padding: 32px 0 8px;
}

.blog-teaser p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  max-width: 62ch;
}

.post-header {
  padding: 8px 0 12px;
}

.post-header .pub {
  display: block;
  margin-bottom: 14px;
}

.post-title {
  font-family: var(--font-head);
  font-size: 34px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
  max-width: 24ch;
}

.post-content {
  padding: 24px 0 64px;
  max-width: 66ch;
}

.post-content p {
  font-size: 16.5px;
  color: #333c40;
  margin: 0 0 20px;
}

.post-content h2 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 16px;
}

.post-content h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  margin: 32px 0 14px;
}

.post-content a { color: var(--accent-2); text-decoration: underline; }

.post-content blockquote {
  margin: 24px 0;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-2);
  text-decoration: none;
  margin-bottom: 8px;
}

.back-link:hover { text-decoration: underline; }

.back-link svg { width: 13px; height: 13px; }

/* Footer */

footer.contact {
  position: relative;
  background: linear-gradient(155deg, var(--deep-2) 0%, var(--deep) 70%);
  color: var(--on-deep);
  padding: 68px 0 48px;
  overflow: hidden;
}

footer.contact::before {
  content: "";
  position: absolute;
  inset: -30% auto auto -10%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(232,96,60,0.16), transparent 70%);
  pointer-events: none;
}

footer.contact .wrap { position: relative; z-index: 1; }

footer.contact h2.section-title { color: var(--accent); margin-bottom: 18px; }
footer.contact h2.section-title::before { background: var(--accent); }

footer.contact p {
  font-size: 16px;
  color: var(--on-deep-muted);
  max-width: 48ch;
  margin: 0 0 24px;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  color: var(--on-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.contact-email:hover { color: var(--accent); }

.contact-links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.contact-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--on-deep-muted);
  text-decoration: none;
}

.contact-link:hover { color: var(--on-deep); text-decoration: underline; }

.contact-sep { color: var(--on-deep-muted); opacity: 0.5; }

.fine-print {
  margin-top: 48px;
  font-size: 13px;
  color: rgba(242,239,226,0.45);
}

/* Scroll reveal (progressive enhancement — see app.js) */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1 !important; transform: none !important; }
  .sample, .sample-thumb { transition: none !important; }
}

@media (max-width: 720px) {
  .samples { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 28px; }
  .hero-stats { gap: 24px; }
  nav.site a { margin-left: 18px; }
  .post-title { font-size: 26px; }
}