/* ─────────────────────────────────────────────────────────────
   Saurabh Pati — Component styles
   Tokens in ds/tokens.css. This file references --* names only.

   States vocabulary (every interactive element):
     default · hover · active · focus-visible · disabled
   ───────────────────────────────────────────────────────────── */

/* ═════════════════════════════════════════════════════════════
   PAGE BACKGROUND
   Soft depth from very subtle radial fills only.
   ═════════════════════════════════════════════════════════════ */
body {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(59, 130, 246, 0.10), transparent 60%),
    radial-gradient(700px 500px at 10% 6%,   rgba(59, 130, 246, 0.06), transparent 60%),
    radial-gradient(900px 500px at 50% 110%, rgba(34, 211, 238, 0.05), transparent 65%),
    var(--bg);
}

/* Restrained grid texture, faded out at edges. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 80%);
  z-index: 0;
}

/* ═════════════════════════════════════════════════════════════
   LAYOUT
   ═════════════════════════════════════════════════════════════ */
.container {
  width: min(100% - 40px, 1240px);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

section {
  padding: var(--space-26) 0;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
}

/* Visually-hidden helper for screen-reader text. */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ═════════════════════════════════════════════════════════════
   EYEBROW PILL
   Static (no looping dot). Cyan accent dot for visual signal.
   ═════════════════════════════════════════════════════════════ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 12px;
  border-radius: var(--r-pill);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-2);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 8px var(--accent-2);
}

.grad-text {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-strong) 45%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.muted { color: var(--fg-3); }

/* ═════════════════════════════════════════════════════════════
   BUTTONS — full state vocabulary

   default     : surface or filled
   hover       : lift 1px + shadow shift
   active      : compress to 0
   focus-vis   : 2-stop ring (set globally in tokens.css)
   disabled    : 0.5 opacity, not-allowed
   ═════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-2) var(--ease),
              box-shadow var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  color: var(--fg-on-accent);
  background: linear-gradient(135deg, var(--accent) 0%, #2563EB 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 0 0 1px var(--accent-line),
    0 10px 28px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.22) inset,
    0 0 0 1px rgba(59, 130, 246, 0.55),
    0 14px 36px var(--accent-glow);
}
.btn-primary:active {
  transform: translateY(0);
  transition-duration: 60ms;
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.15) inset,
    0 0 0 1px var(--accent-line),
    0 6px 16px var(--accent-glow);
}

.btn-ghost {
  color: var(--fg-1);
  background: var(--surface);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}
.btn-ghost:active {
  background: var(--surface-3);
  transform: translateY(0);
  transition-duration: 60ms;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn .arrow {
  transition: transform var(--dur-2) var(--ease);
}
.btn:hover .arrow {
  transform: translateX(3px);
}

/* ═════════════════════════════════════════════════════════════
   NAV — sticky, glassy, scroll-state shrink
   Includes accessible mobile drawer.
   ═════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
  transition: padding var(--dur-2) var(--ease-out),
              background-color var(--dur-2) var(--ease-out),
              border-color var(--dur-2) var(--ease-out);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(6, 7, 13, 0.7);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex; align-items: center; gap: 12px;
}
.brand:focus-visible { outline-offset: 4px; }

.brand-mark {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(255, 255, 255, 0.20), transparent 50%),
    linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: grid; place-items: center;
  color: var(--fg-on-accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 8px 22px var(--accent-glow);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.brand-sub {
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  backdrop-filter: blur(12px);
}
.nav-links a {
  padding: 8px 12px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-2);
  white-space: nowrap;
  transition: color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}
.nav-links a:hover {
  color: var(--fg-1);
  background: var(--surface-2);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Hamburger (hidden on desktop) */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--fg-1);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background-color var(--dur-1) var(--ease);
}
.nav-toggle:hover { background: var(--surface-2); }
.nav-toggle:active { background: var(--surface-3); }
.nav-toggle svg { transition: transform var(--dur-2) var(--ease); }
.nav-toggle[aria-expanded="true"] svg { transform: rotate(90deg); }

/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: 76px;
  left: 16px; right: 16px;
  background: rgba(10, 13, 23, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  padding: 12px;
  z-index: 49;
  box-shadow: var(--shadow-3);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.nav-drawer.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav-drawer a {
  display: block;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--fg-2);
  transition: background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.nav-drawer a + a {
  border-top: 1px solid var(--line);
}
.nav-drawer a:hover {
  background: var(--surface-2);
  color: var(--fg-1);
}

@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand-sub { display: none; }
}

/* ═════════════════════════════════════════════════════════════
   HERO
   ═════════════════════════════════════════════════════════════ */
.hero {
  padding: 180px 0 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero { padding: 140px 0 60px; }
}

.hero h1 {
  margin-top: var(--space-5);
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  max-width: 560px;
}

.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-meta {
  margin-top: 44px;
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.hero-meta .item { display: flex; flex-direction: column; gap: 4px; }
.hero-meta .label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 600;
}
.hero-meta .value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--fg-1);
}

.hero-diagram {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
  width: 100%;
}
@media (max-width: 1024px) {
  .hero-diagram { margin: 0 auto; max-width: 460px; }
}

/* ═════════════════════════════════════════════════════════════
   SECTION HEADER
   ═════════════════════════════════════════════════════════════ */
.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}
.section-head h2 {
  margin: var(--space-4) 0 var(--space-4);
}
.section-head p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-3);
  margin: 0;
  max-width: 640px;
  text-wrap: pretty;
}

/* ═════════════════════════════════════════════════════════════
   CARDS — base + full state vocabulary
   ═════════════════════════════════════════════════════════════ */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(255, 255, 255, 0.015) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: transform var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease),
              box-shadow var(--dur-2) var(--ease);
  overflow: hidden;
}
/* Accent border glow on hover */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0) 0%, var(--accent-line) 50%, rgba(34, 211, 238, 0) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, var(--surface-2) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: var(--shadow-3);
}
.card:hover::before { opacity: 1; }

/* ═════════════════════════════════════════════════════════════
   ABOUT
   ═════════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}
.stat {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}
.stat .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .lbl {
  font-size: 13px;
  color: var(--fg-3);
  margin-top: 6px;
}

.about-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.12), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(34, 211, 238, 0.10), transparent 55%),
    linear-gradient(180deg, var(--surface), rgba(255, 255, 255, 0.005));
  overflow: hidden;
}

/* ═════════════════════════════════════════════════════════════
   EXPERTISE CARDS
   ═════════════════════════════════════════════════════════════ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 1000px) { .expertise-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .expertise-grid { grid-template-columns: 1fr; } }

.exp-card {
  padding: 28px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
}
.exp-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-strong);
  margin-bottom: 22px;
  transition: background-color var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease),
              color var(--dur-2) var(--ease),
              box-shadow var(--dur-2) var(--ease);
}
.exp-card:hover .exp-icon {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(59, 130, 246, 0.42);
  color: var(--accent-2);
  box-shadow: 0 0 24px var(--accent-glow);
}
.exp-card h3 {
  font-size: 18px;
  margin: 0 0 8px;
}
.exp-card p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-3);
  margin: 0;
  max-width: none;
}

/* ═════════════════════════════════════════════════════════════
   PROJECTS
   ═════════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 820px) { .projects-grid { grid-template-columns: 1fr; } }

.project-card {
  padding: 0;
  display: flex;
  flex-direction: column;
}
.project-vis {
  height: 180px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.project-body { padding: 24px 26px 26px; }
.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.project-card h3 {
  font-size: 20px;
  margin: 0;
}
.project-card p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-3);
  margin: 0 0 18px;
  max-width: none;
}

/* ═════════════════════════════════════════════════════════════
   BADGES — categorical state chips
   ═════════════════════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-active   { background: var(--success-soft);  color: var(--success);  border: 1px solid rgba(74, 222, 128, 0.30); }
.badge-research { background: var(--advisory-soft); color: var(--advisory); border: 1px solid var(--advisory-line); }
.badge-beta     { background: var(--warning-soft);  color: var(--warning);  border: 1px solid rgba(251, 191, 36, 0.30); }
.badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.tag {
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--r-xs);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--fg-2);
  font-family: var(--font-mono);
}

.outcome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  margin: 0 0 18px;
  border-radius: var(--r-sm);
  background: rgba(34, 211, 238, 0.05);
  border: 1px solid rgba(34, 211, 238, 0.15);
  font-size: 13px;
  color: var(--fg-2);
}
.outcome svg { color: var(--accent-2); flex-shrink: 0; }

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--fg-1);
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
  align-self: flex-start;
}
.project-cta:hover {
  color: var(--accent-2);
  border-bottom-color: rgba(34, 211, 238, 0.5);
}

/* ═════════════════════════════════════════════════════════════
   WORKFLOW / ARCHITECTURE
   ═════════════════════════════════════════════════════════════ */
.workflow-bg {
  background: linear-gradient(180deg, transparent 0%, rgba(10, 13, 23, 0.55) 50%, transparent 100%);
}
.workflow {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(800px 400px at 50% 50%, rgba(59, 130, 246, 0.05), transparent 70%),
    linear-gradient(180deg, var(--surface) 0%, rgba(255, 255, 255, 0.005) 100%);
  backdrop-filter: blur(10px);
}
.flow {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
@media (max-width: 1100px) {
  .flow { flex-direction: column; gap: 12px; }
  .flow-arrow { display: none; }
}
.flow-step {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 12px;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease),
              box-shadow var(--dur-2) var(--ease);
  min-height: 140px;
  justify-content: center;
  position: relative;
}
.flow-step:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 0 24px var(--accent-glow);
}
.flow-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  margin-bottom: 8px;
  letter-spacing: 0.15em;
}
.flow-icon {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent-strong);
  margin-bottom: 12px;
}
.flow-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: -0.005em;
  line-height: 1.3;
  color: var(--fg-1);
}
.flow-arrow {
  flex: 0 0 auto;
  display: grid; place-items: center;
  color: var(--fg-4);
}

/* ═════════════════════════════════════════════════════════════
   TOOLS GRID
   ═════════════════════════════════════════════════════════════ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}
.tool {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--fg-2);
  transition: background-color var(--dur-1) var(--ease),
              border-color var(--dur-1) var(--ease),
              color var(--dur-1) var(--ease),
              transform var(--dur-1) var(--ease);
}
.tool:hover {
  background: var(--surface-2);
  border-color: var(--line-strong);
  color: var(--fg-1);
  transform: translateY(-1px);
}
.tool-dot {
  width: 8px; height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}
.tools-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin: 32px 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.tools-cat::before, .tools-cat::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 50%, transparent);
}
.tools-cat:first-child { margin-top: 0; }

/* ═════════════════════════════════════════════════════════════
   CASE STUDIES
   ═════════════════════════════════════════════════════════════ */
.case-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.case {
  display: grid;
  grid-template-columns: 200px 1fr 1fr 1fr auto;
  gap: 28px;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease);
  align-items: start;
}
.case:hover {
  border-color: var(--accent-line);
  background: rgba(59, 130, 246, 0.04);
}
@media (max-width: 1000px) {
  .case { grid-template-columns: 1fr 1fr; gap: 20px; }
  .case-title-col { grid-column: span 2; }
  .case .case-cta { grid-column: span 2; justify-self: start; }
}
@media (max-width: 600px) {
  .case { grid-template-columns: 1fr; padding: 24px; }
  .case-title-col, .case .case-cta { grid-column: auto; }
}
.case-title-col h3 {
  font-size: 19px;
  margin: 0 0 10px;
  line-height: 1.25;
}
.case-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.16em;
  margin-bottom: 8px;
}
.case-block .lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 8px;
}
.case-block .txt {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-2);
}
.case-block .txt strong {
  color: var(--accent-2);
  font-weight: 600;
}
.case-cta {
  align-self: center;
  width: 36px; height: 36px;
  padding: 0;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--fg-2);
  cursor: pointer;
  transition: background-color var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease),
              color var(--dur-2) var(--ease),
              transform var(--dur-2) var(--ease);
}
.case:hover .case-cta {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--fg-on-accent);
  transform: rotate(-45deg);
}

/* ═════════════════════════════════════════════════════════════
   RESEARCH
   ═════════════════════════════════════════════════════════════ */
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 760px) { .research-grid { grid-template-columns: 1fr; } }
.research {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.research:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.research-meta {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 8px;
}
.research-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-xs);
  background: var(--advisory-soft);
  border: 1px solid var(--advisory-line);
  color: var(--advisory);
}
.research-date {
  font-size: 12px;
  color: var(--fg-4);
}
.research h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.35;
}
.research-arrow {
  color: var(--fg-4);
  flex-shrink: 0;
  transition: color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
}
.research:hover .research-arrow {
  color: var(--fg-1);
  transform: translate(2px, -2px);
}

/* ═════════════════════════════════════════════════════════════
   FINAL CTA
   ═════════════════════════════════════════════════════════════ */
.final-cta {
  position: relative;
  padding: 80px 56px;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(600px 400px at 50% 0%, rgba(59, 130, 246, 0.16), transparent 60%),
    radial-gradient(500px 300px at 50% 100%, rgba(34, 211, 238, 0.10), transparent 60%),
    linear-gradient(180deg, var(--surface), rgba(255, 255, 255, 0.005));
}
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 70%);
  pointer-events: none;
}
.final-cta > * { position: relative; z-index: 1; }
.final-cta h2 {
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 auto var(--space-5);
  max-width: 840px;
  text-wrap: balance;
}
.final-cta p {
  font-size: 17px;
  color: var(--fg-3);
  margin: 0 auto var(--space-10);
  max-width: 620px;
}
.final-cta .hero-ctas { justify-content: center; }
@media (max-width: 700px) { .final-cta { padding: 56px 24px; } }

/* ═════════════════════════════════════════════════════════════
   FOOTER
   ═════════════════════════════════════════════════════════════ */
footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
  position: relative;
  z-index: 1;
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}
.foot-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  margin-top: 6px;
}
.foot-links {
  display: flex;
  gap: 28px;
}
.foot-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--fg-2);
  transition: color var(--dur-1) var(--ease);
}
.foot-links a:hover { color: var(--fg-1); }
.foot-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--fg-4);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ═════════════════════════════════════════════════════════════
   SCROLL REVEAL — short, eased, no motion under reduce
   ═════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-3) var(--ease-out),
              transform var(--dur-3) var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}


/* ═════════════════════════════════════════════════════════════
   MULTI-PAGE COMPONENT EXTENSIONS
   Added when the site expanded from one landing page to an
   authority site with topic / project / research pages.
   ═════════════════════════════════════════════════════════════ */

/* ── NAV: Topics dropdown ───────────────────────────────────── */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--fg-2);
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}
.nav-dropdown-trigger:hover,
.nav-dropdown-trigger[aria-expanded="true"] {
  color: var(--fg-1);
  background: var(--surface-2);
}
.nav-dropdown-trigger svg { transition: transform var(--dur-2) var(--ease); }
.nav-dropdown-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 260px;
  padding: 8px;
  background: rgba(10, 13, 23, 0.94);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-3);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
  z-index: 60;
}
.nav-dropdown-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--fg-2);
  transition: background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus-visible {
  background: var(--surface-2);
  color: var(--fg-1);
  outline: none;
}
.nav-dropdown-menu a span.muted {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.04em;
}

/* Mobile drawer: nested topic group */
.drawer-group {
  padding: 10px 16px 14px;
  border-top: 1px solid var(--line);
  margin-top: 4px;
}
.drawer-group .lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 8px;
}
.drawer-group a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--fg-2);
}
.drawer-group a + a {
  border-top: none;
}

/* Active page indicator */
.nav-links a[aria-current="page"],
.nav-drawer a[aria-current="page"] {
  color: var(--fg-1);
  background: var(--surface-2);
}
.nav-dropdown-trigger[aria-current="true"] {
  color: var(--fg-1);
}

/* ── BREADCRUMBS ────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  color: var(--fg-4);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--fg-3);
  transition: color var(--dur-1) var(--ease);
}
.breadcrumb a:hover { color: var(--fg-1); }
.breadcrumb-sep {
  color: var(--fg-4);
  opacity: 0.55;
}
.breadcrumb [aria-current="page"] {
  color: var(--fg-2);
}

/* ── PAGE HEADER (subpages) ─────────────────────────────────── */
.page-header {
  padding: 160px 0 56px;
  position: relative;
}
@media (max-width: 768px) {
  .page-header { padding: 120px 0 40px; }
}
.page-header .eyebrow { margin-bottom: 18px; }
.page-header h1 {
  font-size: clamp(36px, 5vw, 58px);
  margin: 0 0 18px;
}
.page-header .lead {
  font-size: 18px;
  color: var(--fg-3);
  max-width: 68ch;
  margin: 0;
}

/* ── DEFINITION BLOCK (topic / article lede) ────────────────── */
.definition {
  padding: 24px 28px;
  border-radius: var(--r-lg);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  margin: 0 0 36px;
}
.definition .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 10px;
}
.definition p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-1);
  max-width: none;
}

/* ── PROSE (article body) ───────────────────────────────────── */
.prose {
  max-width: 720px;
  margin: 0 auto;
  color: var(--fg-2);
}
.prose > * + * { margin-top: 20px; }
.prose h2 {
  font-size: clamp(24px, 2.6vw, 30px);
  letter-spacing: -0.02em;
  margin: 48px 0 14px;
  color: var(--fg-1);
}
.prose h3 {
  font-size: 19px;
  letter-spacing: -0.01em;
  margin: 32px 0 8px;
  color: var(--fg-1);
}
.prose p {
  font-size: 16px;
  line-height: 1.72;
  color: var(--fg-2);
  margin: 0;
  max-width: none;
  text-wrap: pretty;
}
.prose p strong { color: var(--fg-1); font-weight: 600; }
.prose ul, .prose ol {
  font-size: 16px;
  line-height: 1.72;
  color: var(--fg-2);
  padding-left: 22px;
  margin: 0;
}
.prose li + li { margin-top: 8px; }
.prose code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--fg-1);
}
.prose pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm, 8px);
  padding: 16px 18px;
  margin: 8px 0;
  overflow-x: auto;
  color: var(--fg-1);
}
.prose pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}
.prose blockquote {
  margin: 8px 0;
  padding: 14px 18px;
  border-left: 2px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--fg-2);
  font-size: 15.5px;
}

/* Article meta row */
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--fg-3);
  margin-bottom: 24px;
}
.article-meta .sep { color: var(--fg-4); opacity: 0.4; }
.article-meta .pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--advisory-soft);
  border: 1px solid var(--advisory-line);
  color: var(--advisory);
}

/* ── FAQ accordion (native details) ─────────────────────────── */
.faq {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 880px;
}
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease);
  overflow: hidden;
}
.faq details[open] {
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16.5px;
  letter-spacing: -0.005em;
  color: var(--fg-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--fg-3);
  width: 22px;
  text-align: center;
  transition: transform var(--dur-2) var(--ease);
}
.faq details[open] summary::after { content: "−"; }
.faq summary:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: -2px;
  border-radius: var(--r-md);
}
.faq .answer {
  padding: 0 22px 20px;
  color: var(--fg-3);
  font-size: 15.5px;
  line-height: 1.65;
  max-width: 68ch;
}

/* ── RELATED GRID (links between topics/projects/research) ──── */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.related-card {
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease),
              transform var(--dur-2) var(--ease);
}
.related-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.related-card .cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 10px;
}
.related-card h4 {
  font-size: 15.5px;
  margin: 0 0 6px;
  color: var(--fg-1);
}
.related-card p {
  font-size: 13.5px;
  color: var(--fg-3);
  margin: 0;
  max-width: none;
  line-height: 1.55;
}

/* ── KEY-VALUE LIST (project detail spec rows) ──────────────── */
.kv {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 10px 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}
.kv dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  align-self: center;
}
.kv dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--fg-2);
  align-self: center;
}
@media (max-width: 640px) {
  .kv { grid-template-columns: 1fr; gap: 4px 0; padding: 20px; }
  .kv dt { margin-top: 12px; }
  .kv dt:first-child { margin-top: 0; }
}

/* ── CONTENT SHELL: 2-col article + sidebar ─────────────────── */
.content-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 56px;
  align-items: start;
}
.content-shell > .prose { margin: 0; }
@media (max-width: 980px) {
  .content-shell { grid-template-columns: 1fr; gap: 40px; }
  .content-shell aside { order: 2; }
}
.aside-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  position: sticky;
  top: 100px;
}
.aside-card h4 {
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 600;
  margin: 0 0 12px;
}
.aside-card ul { list-style: none; margin: 0; padding: 0; }
.aside-card li + li { margin-top: 8px; }
.aside-card a {
  font-size: 13.5px;
  color: var(--fg-2);
  transition: color var(--dur-1) var(--ease);
}
.aside-card a:hover { color: var(--fg-1); }

/* ── SECTION BODY HELPERS ───────────────────────────────────── */
.section-body { display: flex; flex-direction: column; gap: 56px; }
.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .split-2 { grid-template-columns: 1fr; gap: 36px; }
}
.bullet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.bullet-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--fg-2);
}
.bullet-list li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-strong);
  margin-top: 9px;
  flex-shrink: 0;
}

/* ── ARTICLE CARDS (research index) ─────────────────────────── */
.article-card {
  display: flex;
  flex-direction: column;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease),
              transform var(--dur-2) var(--ease);
  height: 100%;
  gap: 12px;
}
.article-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.article-card .cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.article-card h3 {
  font-size: 18px;
  margin: 0;
  color: var(--fg-1);
}
.article-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-3);
  margin: 0;
  max-width: none;
}
.article-card .meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--fg-4);
  padding-top: 8px;
}
.article-card .cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-2);
}

/* ── INDEX GRID 3-COL ───────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 1000px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .grid-3 { grid-template-columns: 1fr; } }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 820px) { .grid-2 { grid-template-columns: 1fr; } }

/* ── EXPANDED FOOTER (sitemap) ──────────────────────────────── */
.foot-cols {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .foot-cols { grid-template-columns: 1fr; gap: 36px; }
}
.foot-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 640px) {
  .foot-nav { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
.foot-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 600;
  margin: 0 0 14px;
}
.foot-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.foot-col a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--fg-2);
  transition: color var(--dur-1) var(--ease);
}
.foot-col a:hover { color: var(--fg-1); }


/* ═════════════════════════════════════════════════════════════
   CLIENT-READY EXPANSION (services / proof / report / contact)
   ═════════════════════════════════════════════════════════════ */

/* ── PROOF OF WORK CARDS ─────────────────────────────────────── */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 1080px) { .proof-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .proof-grid { grid-template-columns: 1fr; } }
.proof-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
  height: 100%;
}
.proof-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.proof-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.proof-type {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.proof-icon {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-strong);
}
.proof-card h3 { font-size: 16px; margin: 0; color: var(--fg-1); line-height: 1.3; }
.proof-card p { font-size: 13.5px; line-height: 1.55; color: var(--fg-3); margin: 0; max-width: none; }
.proof-card .proof-foot {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding-top: 6px;
}
.proof-card .cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--accent-2);
}

/* ── SERVICES PREVIEW / SERVICE CARDS ───────────────────────── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .service-grid { grid-template-columns: 1fr; } }
.service-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--surface) 0%, rgba(255,255,255,0.012) 100%);
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
  height: 100%;
}
.service-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateY(-3px);
}
.service-card .svc-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-strong);
}
.service-card h3 { font-size: 18px; margin: 0; color: var(--fg-1); }
.service-card p { font-size: 14px; line-height: 1.55; color: var(--fg-3); margin: 0; max-width: none; }
.service-card .svc-cta {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600; color: var(--fg-1);
  padding-top: 4px;
  transition: color var(--dur-1) var(--ease);
}
.service-card:hover .svc-cta { color: var(--accent-2); }

/* ── PRICING / TIMELINE PANEL (service detail) ──────────────── */
.panel {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.panel.accent {
  background: var(--accent-soft);
  border-color: var(--accent-line);
}
.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 760px) { .panel-grid { grid-template-columns: 1fr; } }
.price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.price-row .amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.price-row .unit { font-size: 14px; color: var(--fg-3); }
.price-note {
  font-size: 12.5px;
  color: var(--fg-4);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  margin-top: 8px;
}

/* timeline steps */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline .step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding-bottom: 22px;
  position: relative;
}
.timeline .step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 19px; top: 34px; bottom: 0;
  width: 1px;
  background: var(--line-strong);
}
.timeline .step .dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  z-index: 1;
}
.timeline .step h4 { font-size: 15.5px; margin: 8px 0 4px; color: var(--fg-1); }
.timeline .step p { font-size: 14px; line-height: 1.55; color: var(--fg-3); margin: 0; max-width: none; }

/* deliverables / checklist */
.check-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.check-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15px; line-height: 1.55; color: var(--fg-2);
}
.check-list li svg { color: var(--accent-2); flex-shrink: 0; margin-top: 2px; }
.cross-list li svg { color: var(--fg-4); }

/* ── RISK MATRIX (report) ───────────────────────────────────── */
.matrix {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  font-size: 14px;
}
.matrix th, .matrix td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.matrix th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 600;
  background: var(--surface);
}
.matrix td { color: var(--fg-2); }
.matrix tr:last-child td { border-bottom: none; }
.matrix .sev {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--r-pill);
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
}
.sev-high { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(248,113,113,0.3); }
.sev-med  { background: var(--warning-soft); color: var(--warning); border: 1px solid rgba(251,191,36,0.3); }
.sev-low  { background: var(--success-soft); color: var(--success); border: 1px solid rgba(74,222,128,0.3); }
@media (max-width: 640px) {
  .matrix, .matrix tbody, .matrix tr, .matrix td, .matrix th { display: block; }
  .matrix thead { display: none; }
  .matrix tr { border-bottom: 1px solid var(--line-strong); padding: 8px 0; }
  .matrix td { border: none; padding: 6px 16px; }
  .matrix td::before { content: attr(data-label) "  "; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-4); }
}

/* ── REPORT DOCUMENT SHELL ──────────────────────────────────── */
.report {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
  overflow: hidden;
}
.report-head {
  padding: 32px 40px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(59,130,246,0.06), transparent);
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.report-head .doc-id {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-4);
}
.report-body { padding: 8px 40px 40px; }
@media (max-width: 600px) { .report-head, .report-body { padding-left: 22px; padding-right: 22px; } }
.report-section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.report-section:last-child { border-bottom: none; }
.report-section h2 {
  font-size: 20px; letter-spacing: -0.01em; margin: 0 0 8px;
  display: flex; align-items: center; gap: 12px;
}
.report-section h2 .n {
  font-family: var(--font-mono); font-size: 12px; color: var(--accent-2);
  border: 1px solid var(--accent-line); border-radius: var(--r-xs);
  padding: 2px 8px; background: var(--accent-soft);
}
.report-section p { font-size: 15px; line-height: 1.65; color: var(--fg-2); margin: 0; max-width: none; }
.report-section .lead-line { color: var(--fg-3); font-size: 14px; }

/* ── CONTACT ────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-4);
}
.field input, .field textarea, .field select {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg-1);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  transition: border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
  width: 100%;
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-4); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-2);
}
.field textarea { resize: vertical; min-height: 120px; }
.contact-method {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}
.contact-method:hover { border-color: var(--line-strong); background: var(--surface-2); }
.contact-method .ic {
  width: 40px; height: 40px; border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent-strong);
  flex-shrink: 0;
}
.contact-method .lbl { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-4); }
.contact-method .val { font-size: 14.5px; color: var(--fg-1); font-weight: 500; }

/* two-column do / don't */
.dodont {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 760px) { .dodont { grid-template-columns: 1fr; } }

/* ── EUROPE / FREELANCE BANNER ──────────────────────────────── */
.region-banner {
  position: relative;
  padding: 48px 44px;
  border-radius: var(--r-xl);
  border: 1px solid var(--accent-line);
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(59,130,246,0.14), transparent 60%),
    radial-gradient(500px 300px at 90% 100%, rgba(34,211,238,0.08), transparent 60%),
    var(--surface);
}
@media (max-width: 700px) { .region-banner { padding: 32px 22px; } }

/* ── SECTION ALT BACKGROUND BAND ────────────────────────────── */
.band {
  background: linear-gradient(180deg, transparent, rgba(10,13,23,0.5) 50%, transparent);
}

/* ── ANSWER / ENTITY BLOCK (AI-search extractable) ──────────── */
.answer-block {
  border: 1px solid var(--border, rgba(148,163,184,0.18));
  border-radius: 16px;
  padding: 28px 30px;
  background: linear-gradient(180deg, rgba(59,130,246,0.06), rgba(34,211,238,0.03));
}
.answer-block h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 28px);
}

/* ── POST REPO CTA (learning-loop posts) ────────────────────── */
.repo-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border: 1px solid var(--border, rgba(148,163,184,0.18));
  border-radius: 16px;
  padding: 22px 26px;
  background: rgba(13,17,28,0.5);
}
.repo-cta .lbl {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}