:root {
  --accent: #2D79E4;
  --accent-soft: rgba(45, 121, 228, 0.12);
  --accent-glow: rgba(45, 121, 228, 0.25);
  --purple-glow: rgba(114, 9, 183, 0.18);
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --ink-4: #94a3b8;
  --line: rgba(15, 23, 42, 0.08);
  --line-2: rgba(15, 23, 42, 0.14);
  --bg: #f4f5f9;
  --card: rgba(255, 255, 255, 0.72);
  --card-solid: #ffffff;
  --radius: 18px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --pad-y: 7rem;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

/* Soft animated gradient blobs */
body::before,
body::after {
  content: '';
  position: fixed;
  z-index: 0;
  pointer-events: none;
  filter: blur(90px);
}
body::before {
  top: -25%; left: -10%;
  width: 60%; height: 60%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: float1 22s ease-in-out infinite;
}
body::after {
  bottom: -25%; right: -10%;
  width: 55%; height: 55%;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  animation: float2 27s ease-in-out infinite;
}
@keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(60px,40px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-50px,-30px)} }

/* Layout */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.75rem;
  position: relative;
  z-index: 1;
}

/* Nav */
nav.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(244, 245, 249, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
nav.topnav.scrolled { border-bottom-color: var(--line); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.nav-logo { height: 28px; width: auto; display: block; }
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}
.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.nav-cta {
  background: var(--ink);
  color: #ffffff;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.nav-links a.nav-cta:hover { background: var(--accent); color: #ffffff; transform: translateY(-1px); }
@media (max-width: 720px) {
  .nav-links li:not(:last-child) { display: none; }
}

/* Hero */
section.hero {
  padding: 5.5rem 0 5rem;
  text-align: left;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  padding: 0.4rem 0.85rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-bottom: 1.75rem;
}
.eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
h1 {
  font-size: clamp(2.6rem, 5.6vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin-bottom: 1.75rem;
  text-wrap: balance;
}
h1 .serif {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.lede {
  font-size: 1.13rem;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 540px;
  margin-bottom: 2.25rem;
  text-wrap: pretty;
}
.btn-row { display: flex; gap: 0.65rem; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.btn-primary { background: var(--ink); color: white; }
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-ghost:hover { border-color: var(--ink); }
.arrow { transition: transform 0.2s; }
.btn-primary:hover .arrow { transform: translateX(3px); }

/* Hero meta strip */
.hero-meta {
  margin-top: 3.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
@media (max-width: 720px) {
  .hero-meta { grid-template-columns: repeat(2, 1fr); }
}
.hero-meta-item .label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-4);
  margin-bottom: 0.45rem;
}
.hero-meta-item .value {
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.005em;
}

/* Hero visual — layered editorial panels */
.hero-visual {
  position: relative;
  aspect-ratio: 5 / 6;
  width: 100%;
  max-width: 460px;
  margin-left: auto;
}
@media (max-width: 880px) {
  .hero-visual { margin: 0 auto; max-width: 380px; }
}
.panel {
  position: absolute;
  background: var(--card-solid);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 20px 50px -20px rgba(15, 23, 42, 0.18);
  padding: 1rem 1.1rem;
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  margin-bottom: 0.7rem;
}
.panel-head .pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Panel A — execution feed */
.panel-a { top: 0; left: 0; width: 78%; transform: rotate(-1.5deg); }
.feed-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}
.feed-row:first-of-type { border-top: none; }
.feed-row .t { font-family: var(--mono); color: var(--ink-4); font-size: 0.72rem; }
.feed-row .lbl { color: var(--ink); font-weight: 500; }
.feed-row .lbl small { color: var(--ink-3); font-weight: 400; display: block; font-size: 0.7rem; margin-top: 1px; }
.feed-row .status {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
}
.feed-row .status.warn { background: var(--accent-soft); color: var(--accent); }

/* Panel B — lifecycle stack */
.panel-b { bottom: 0; right: 0; width: 68%; transform: rotate(2deg); }
.stack-bars { display: flex; flex-direction: column; gap: 6px; margin-top: 0.2rem; }
.stack-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(45, 121, 228, 0.08);
  border-left: 2px solid var(--accent);
  padding: 0.5rem 0.7rem;
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--ink);
}
.stack-bar:nth-child(2) { margin-left: 6px; background: rgba(45, 121, 228, 0.12); }
.stack-bar:nth-child(3) { margin-left: 12px; background: rgba(45, 121, 228, 0.16); }
.stack-bar:nth-child(4) { margin-left: 18px; background: rgba(45, 121, 228, 0.20); }
.stack-bar .check { color: var(--accent); font-family: var(--mono); font-size: 0.7rem; }

/* Panel C — small accent card */
.panel-c {
  bottom: 28%; left: -4%; width: 44%;
  padding: 0.85rem 1rem;
  background: var(--ink);
  color: white;
  border-color: var(--ink);
  transform: rotate(-3deg);
}
.panel-c .panel-head { color: rgba(255,255,255,0.55); }
.panel-c .big {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.6rem;
  line-height: 1.05;
  margin-bottom: 0.2rem;
}
.panel-c .sub { font-size: 0.72rem; color: rgba(255,255,255,0.65); line-height: 1.4; }

.panel { animation: floatSubtle 8s ease-in-out infinite; }
.panel-a { animation-delay: -2s; --r: -1.5deg; }
.panel-b { animation-delay: -5s; --r: 2deg; }
.panel-c { animation-delay: -1s; --r: -3deg; }
@keyframes floatSubtle {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-6px) rotate(var(--r, 0deg)); }
}

/* Section heading */
.section { padding: var(--pad-y) 0; position: relative; }
.section.compact { padding: 4rem 0; }
.section-head { margin-bottom: 3.5rem; max-width: 720px; }
.section-tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.section-tag::before { content: ''; width: 18px; height: 1px; background: var(--accent); }
h2 {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin-bottom: 1rem;
}
h2 .serif { font-family: var(--serif); font-weight: 400; font-style: italic; }
.section-sub { font-size: 1.1rem; color: var(--ink-2); line-height: 1.6; max-width: 620px; }

/* Capabilities grid */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 880px) { .cap-grid { grid-template-columns: 1fr; } }
.cap-card {
  background: var(--card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.cap-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-2);
  box-shadow: 0 30px 60px -30px rgba(15, 23, 42, 0.18);
}
.cap-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cap-title { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
.cap-body { color: var(--ink-2); font-size: 0.95rem; line-height: 1.6; }
.cap-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; padding-top: 0.5rem; }
.cap-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  padding: 0.25rem 0.55rem;
  background: rgba(15, 23, 42, 0.04);
  border-radius: 6px;
}

/* Case studies */
.case {
  background: var(--card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 3rem;
  margin-bottom: 1.75rem;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 880px) {
  .case { grid-template-columns: 1fr; padding: 2rem; gap: 2rem; }
}
.case-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.case-meta .pill {
  padding: 0.25rem 0.6rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
}
.case h3 {
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 600;
  margin-bottom: 1rem;
}
.case-summary { color: var(--ink-2); font-size: 1.02rem; line-height: 1.6; margin-bottom: 1.75rem; }
.case-points { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.case-points li {
  display: flex;
  gap: 0.85rem;
  font-size: 0.94rem;
  color: var(--ink-2);
  line-height: 1.55;
}
.case-points li::before {
  content: '';
  flex-shrink: 0;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.55rem;
}
.case-viz {
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 440px;
  margin-left: auto;
  position: relative;
}
.case-viz svg { width: 100%; height: 100%; display: block; }
.case.reverse { grid-template-columns: 1fr 1.05fr; }
.case.reverse .case-viz { order: -1; margin-left: 0; margin-right: auto; }
@media (max-width: 880px) {
  .case.reverse { grid-template-columns: 1fr; }
  .case.reverse .case-viz { order: 0; margin: 0 auto; }
}

/* Approach */
.approach-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 3rem; }
@media (max-width: 720px) { .approach-grid { grid-template-columns: 1fr; } }
.approach-item { padding: 1.5rem 0; border-top: 1px solid var(--line); }
.approach-num { font-family: var(--mono); font-size: 0.78rem; color: var(--accent); margin-bottom: 0.75rem; }
.approach-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.6rem; letter-spacing: -0.01em; }
.approach-body { color: var(--ink-2); font-size: 0.95rem; line-height: 1.6; }

/* Contact */
.contact {
  background: var(--card-solid);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, var(--accent-glow), transparent 50%),
    radial-gradient(circle at 80% 80%, var(--purple-glow), transparent 50%);
  opacity: 0.6;
  pointer-events: none;
}
.contact > * { position: relative; }
.contact h2 { margin-bottom: 0.75rem; }
.contact .lede { margin: 0 auto 2rem; }
.contact-divider {
  width: 40px; height: 3px;
  background: var(--accent);
  margin: 0 auto 1.5rem;
  border-radius: 2px;
}
.contact-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  margin-bottom: 0.5rem;
}
.contact a.email {
  font-size: 1.35rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.contact a.email:hover { border-bottom-color: var(--accent); }

/* Footer */
footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  margin-top: 5rem;
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner img { height: 22px; opacity: 0.6; }
.footer-inner p { font-size: 0.82rem; color: var(--ink-4); }

/* SVG-specific */
.diagram-stroke { stroke: var(--accent); }
.diagram-fill { fill: var(--accent); }