/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  --bg: #FFFFFF;
  --bg-soft: #F5F6FE;
  --bg-tint: #EEF0FF;
  --ink: #15172B;
  --ink-soft: #4B4E6B;
  --ink-faint: #8A8DA8;
  --line: #E7E8F5;

  --indigo: #4F46E5;
  --indigo-deep: #3730A3;
  --coral: #FF6B4A;
  --teal: #0D9488;
  --amber: #F59E0B;
  --rose: #E11D6F;

  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --content-max: 780px;
  --shell-max: 1120px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--indigo); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ==========================================================================
   Top navigation
   ========================================================================== */
.topnav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topnav-inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); display: inline-block; }
.brand:hover { text-decoration: none; }

.navlinks { display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.navlinks a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.navlinks a:hover, .navlinks a.active { color: var(--indigo); border-color: var(--indigo); }

.navtoggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.navtoggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: 0.2s; }

@media (max-width: 760px) {
  .navtoggle { display: block; }
  .navlinks {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); flex-direction: column; gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    z-index: 20;
  }
  .navlinks.open { display: flex; }
  .navlinks a { padding: 12px 0; display: block; }
}

/* ==========================================================================
   Layout shell
   ========================================================================== */
main { max-width: var(--shell-max); margin: 0 auto; padding: 0 2rem; }
.content-col { max-width: var(--content-max); }

@media (max-width: 600px) {
  .topnav-inner, main { padding-left: 1.25rem; padding-right: 1.25rem; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 4.5rem 0 3rem;
  overflow: hidden;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.hero-text { flex: 1 1 420px; min-width: 280px; }
.hero-photo {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
  object-fit: cover;
  object-position: center 25%;
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(21,23,43,0.16);
  border: 4px solid var(--bg);
  outline: 1px solid var(--line);
}
@media (max-width: 700px) {
  .hero-photo { width: 130px; height: 130px; }
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -140px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, var(--indigo) 0%, transparent 70%);
  opacity: 0.14;
  border-radius: 50%;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -160px; left: -100px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--coral) 0%, transparent 70%);
  opacity: 0.12;
  border-radius: 50%;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--indigo-deep);
  background: var(--bg-tint);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
  max-width: 15ch;
}
h1 .accent { color: var(--indigo); }

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 3rem 0 1.1rem;
}
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

p { margin: 0 0 1.1rem; color: var(--ink-soft); max-width: 66ch; }
p.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 56ch; }

ul.plain, ol.plain { margin: 0 0 1.1rem; padding-left: 1.2rem; color: var(--ink-soft); }
ul.plain li { margin-bottom: 0.5rem; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn.primary { background: var(--indigo); color: #fff; box-shadow: 0 6px 16px rgba(79,70,229,0.28); }
.btn.primary:hover { box-shadow: 0 8px 20px rgba(79,70,229,0.36); }
.btn.ghost { background: var(--bg-soft); color: var(--ink); border: 1px solid var(--line); }

.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.8rem; }

/* ==========================================================================
   Stat strip
   ========================================================================== */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  margin: 3rem 0;
}
.stat { background: var(--bg); padding: 1.5rem 1.6rem; }
.stat .num { font-family: var(--font-display); font-weight: 700; font-size: 2rem; letter-spacing: -0.01em; color: var(--indigo); display: block; margin-bottom: 0.3rem; }
.stat .label { font-size: 0.86rem; color: var(--ink-faint); }

/* ==========================================================================
   About page
   ========================================================================== */
.about-hero {
  display: flex;
  align-items: center;
  gap: 2.75rem;
  flex-wrap: wrap;
  padding: 4rem 0 1.5rem;
}
.about-photo {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(21,23,43,0.16);
  border: 4px solid var(--bg);
  outline: 1px solid var(--line);
}
.about-intro { flex: 1 1 360px; min-width: 280px; }
.about-intro h1 { max-width: none; }

@media (max-width: 560px) {
  .about-hero { padding-top: 2.5rem; gap: 1.5rem; }
  .about-photo { width: 140px; height: 140px; border-radius: 16px; }
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 2.5rem;
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--indigo-deep);
  background: var(--bg-tint);
  border: 1px solid var(--line);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
}

/* ==========================================================================
   Pillars / cards
   ========================================================================== */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0 3rem;
}
.pillar {
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 1.5rem 1.4rem;
  border-top: 3px solid var(--indigo);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.pillar:hover {
  box-shadow: 0 10px 28px rgba(21,23,43,0.08);
  transform: translateY(-2px);
}
.pillar:nth-child(2) { border-top-color: var(--coral); }
.pillar:nth-child(3) { border-top-color: var(--teal); }
.pillar p { font-size: 0.95rem; margin: 0; }

/* ==========================================================================
   Tags (category chips)
   ========================================================================== */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}
.tag.finops   { background: #EEF2FF; color: var(--indigo-deep); }
.tag.migration{ background: #FFEDE8; color: #C2410C; }
.tag.architecture{ background: #E6FFFA; color: #0F766E; }
.tag.reliability{ background: #FFF7E6; color: #92400E; }
.tag.security { background: #FFE4EF; color: #9D174D; }

/* ==========================================================================
   Card list (blog index, project index, updates)
   ========================================================================== */
.card-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.5rem 1.6rem;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: 0 10px 28px rgba(21,23,43,0.08); transform: translateY(-2px); }
.card a.card-link { text-decoration: none; color: inherit; display: block; }
.card h3 { margin: 0 0 0.4rem; }
.card .date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint); }
.card .excerpt { margin: 0.3rem 0 0; font-size: 0.96rem; }

/* ==========================================================================
   Blog post body
   ========================================================================== */
.post-body img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  margin: 1.5rem 0;
}
.post-body h2 { font-size: 1.35rem; }
.post-body p, .post-body li { max-width: 68ch; }
.post-body code {
  background: var(--bg-tint);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  margin-top: 5rem;
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
}
footer .footer-inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--ink-faint);
}
footer a { color: var(--ink-faint); }
footer a:hover { color: var(--indigo); }

.pull-quote {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink);
  border-left: 3px solid var(--indigo);
  padding-left: 1.25rem;
  margin: 1.5rem 0 2rem;
  max-width: 60ch;
}

.project-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.75rem 1.9rem;
  margin-bottom: 1.25rem;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.project-card:hover {
  box-shadow: 0 10px 28px rgba(21,23,43,0.08);
  transform: translateY(-2px);
}
.project-card h2 {
  margin: 0.5rem 0 0.75rem;
  font-size: 1.35rem;
}
.project-card .tag { margin-right: 0.4rem; }
.project-card .outcome { margin-top: 0.75rem; }

.contact-form { display: flex; flex-direction: column; gap: 12px; max-width: 480px; margin-bottom: 1.5rem; }
.contact-form input, .contact-form textarea {
  padding: 0.7rem 0.9rem; border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--font-body); font-size: 0.95rem; background: var(--bg);
}
.contact-form button { align-self: flex-start; }