/* ============================================================
   TalentPros Hub — Enterprise Cloud & AI Consulting
   Design system: navy/slate + cloud-blue accent. Dark-first.
   ============================================================ */

:root {
  /* Brand colors derived from logo */
  --brand-blue: #1E73E8;
  --brand-blue-bright: #2F86FF;
  --brand-blue-deep: #0E4FA8;
  --brand-cyan: #5BB7E6;

  /* Dark theme (default) */
  --bg: #060B17;
  --bg-elev: #0B1424;
  --surface: #0F1B2E;
  --surface-2: #142339;
  --border: #1E2E47;
  --border-strong: #2B3E5C;
  --text: #E6ECF5;
  --text-muted: #94A3B8;
  --text-faint: #64748B;
  --accent: var(--brand-blue-bright);
  --accent-hover: var(--brand-blue);
  --ring: rgba(47, 134, 255, 0.45);
  --grid-line: rgba(120, 160, 220, 0.07);
  --glow: rgba(47, 134, 255, 0.18);

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.74rem + 0.05vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.86rem + 0.07vw, 0.9375rem);
  --text-base: clamp(1rem, 0.98rem + 0.1vw, 1.0625rem);
  --text-md: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --text-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-xl: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);
  --text-2xl: clamp(2.25rem, 1.8rem + 2vw, 3.25rem);
  --text-hero: clamp(2.75rem, 2rem + 3.5vw, 4.5rem);

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.35);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.45);

  --container: 1200px;
  --container-narrow: 920px;

  --font-display: "Inter Tight", "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light theme override */
:root[data-theme="light"] {
  --bg: #F7F9FC;
  --bg-elev: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #F1F4FA;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --text: #0A1628;
  --text-muted: #475569;
  --text-faint: #94A3B8;
  --accent: var(--brand-blue);
  --accent-hover: var(--brand-blue-deep);
  --ring: rgba(30, 115, 232, 0.35);
  --grid-line: rgba(10, 22, 40, 0.06);
  --glow: rgba(30, 115, 232, 0.14);
  --shadow-sm: 0 1px 2px rgba(10,22,40,0.06);
  --shadow-md: 0 8px 28px rgba(10,22,40,0.08);
  --shadow-lg: 0 22px 60px rgba(10,22,40,0.10);
}

/* ===== Reset / base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  transition: background 0.3s ease, color 0.3s ease;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent-hover); }
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; color: var(--text); margin: 0 0 var(--sp-4); }
h1 { font-size: var(--text-hero); letter-spacing: -0.035em; line-height: 1.04; font-weight: 700; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.028em; }
h3 { font-size: var(--text-lg); font-weight: 600; }
p { margin: 0 0 var(--sp-4); color: var(--text-muted); }

::selection { background: var(--accent); color: #fff; }

/* ===== Layout ===== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-6); }
.container-narrow { width: 100%; max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--sp-6); }
section { padding: clamp(4rem, 8vw, 7rem) 0; position: relative; }

/* Decorative grid background for select sections */
.bg-grid::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}
.bg-grid > * { position: relative; z-index: 1; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: var(--sp-3); color: var(--text); font-weight: 600; font-family: var(--font-display); letter-spacing: -0.01em; font-size: var(--text-base); }
.brand:hover { color: var(--text); }
.brand-mark { width: 36px; height: 36px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; display: grid; place-items: center; padding: 4px; }
.brand-mark svg { width: 100%; height: auto; }
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name .tag { font-size: 10.5px; font-weight: 500; color: var(--text-faint); letter-spacing: 0.06em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: var(--sp-2); list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-muted); font-size: var(--text-sm); padding: 0.5rem 0.85rem; border-radius: 6px; font-weight: 500; }
.nav-links a:hover { color: var(--text); background: var(--surface); }

.nav-actions { display: flex; align-items: center; gap: var(--sp-2); }
.theme-toggle, .menu-toggle {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  width: 38px; height: 38px; border-radius: 8px; display: grid; place-items: center;
  transition: all 0.2s ease;
}
.theme-toggle:hover, .menu-toggle:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface); }
.menu-toggle { display: none; }

.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--text-sm); font-weight: 600;
  padding: 0.7rem 1.1rem; border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px -8px var(--glow); }
.btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 12px 28px -8px var(--glow); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--border-strong); background: var(--surface-2); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface); color: var(--text); }
.btn .arrow { transition: transform 0.2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ===== Hero ===== */
.hero {
  padding: clamp(5rem, 9vw, 9rem) 0 clamp(4rem, 7vw, 7rem);
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 10%, var(--glow), transparent 65%),
    radial-gradient(ellipse 40% 40% at 10% 30%, color-mix(in srgb, var(--brand-cyan) 14%, transparent), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.95fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.hero h1 { font-size: clamp(2.25rem, 1.55rem + 2.65vw, 3.55rem); max-width: 24ch; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: var(--text-xs); font-weight: 500; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-muted);
  background: var(--surface); border: 1px solid var(--border);
  padding: 0.4rem 0.8rem; border-radius: 999px;
  margin-bottom: var(--sp-6);
}
.eyebrow .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 12px var(--accent); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 .accent { color: var(--accent); }
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--brand-blue-bright), var(--brand-cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede { font-size: var(--text-md); color: var(--text-muted); max-width: 56ch; margin: var(--sp-6) 0 var(--sp-8); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

/* ===== Interior pages ===== */
.page-hero {
  padding: calc(80px + var(--sp-20)) 0 var(--sp-20);
  background:
    radial-gradient(ellipse 60% 45% at 82% 10%, var(--glow), transparent 65%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-elev) 100%);
  border-bottom: 1px solid var(--border);
}
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr); gap: var(--sp-12); align-items: end; }
.page-hero h1 { font-size: clamp(2.25rem, 5vw, 4rem); max-width: 12ch; }
.page-hero .hero-lede { margin-bottom: 0; }
.proof-panel {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  box-shadow: var(--shadow-md);
}
.proof-panel h2, .proof-panel h3 { font-size: var(--text-lg); margin-bottom: var(--sp-4); }
.proof-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--sp-3); }
.proof-list li {
  display: grid; grid-template-columns: 7rem 1fr; gap: var(--sp-4);
  padding-bottom: var(--sp-3); border-bottom: 1px solid var(--border);
  color: var(--text-muted); font-size: var(--text-sm);
}
.proof-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.proof-list strong { color: var(--text); font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.page-intro { max-width: var(--container-narrow); margin-bottom: var(--sp-12); }
.page-intro h2 { max-width: 13ch; }
.detail-stack { display: grid; gap: var(--sp-8); }
.service-detail {
  display: grid; grid-template-columns: minmax(220px, 0.72fr) 1.28fr;
  gap: var(--sp-8); align-items: start;
  background: linear-gradient(165deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.service-detail h3 { font-size: var(--text-xl); margin-bottom: var(--sp-3); }
.service-detail .service-kicker {
  font-family: var(--font-mono); font-size: 11px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: var(--sp-3);
}
.service-detail .deliverables {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3);
  list-style: none; padding: 0; margin: var(--sp-5) 0 0;
}
.service-detail .deliverables li {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: var(--sp-4); color: var(--text-muted); font-size: 13px;
}
.service-detail .deliverables strong { display: block; color: var(--text); margin-bottom: 0.25rem; }
.engagement-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--sp-4); }
.engagement-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-6);
}
.engagement-card h3 { font-size: var(--text-md); margin-bottom: var(--sp-3); }
.engagement-card p { font-size: var(--text-sm); margin-bottom: 0; }
.content-feature {
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: var(--sp-10); align-items: center;
}
.layer-diagram {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: var(--sp-6); box-shadow: var(--shadow-md);
}
.layer-step {
  display: grid; grid-template-columns: 8rem 1fr; gap: var(--sp-4); align-items: center;
  padding: var(--sp-4); border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg); margin-bottom: var(--sp-3);
}
.layer-step:last-child { margin-bottom: 0; }
.layer-step .layer-name {
  font-family: var(--font-mono); color: var(--accent); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.12em;
}
.layer-step h3 { font-size: 1rem; margin: 0 0 0.2rem; }
.layer-step p { font-size: 13px; margin: 0; }
.zachman-grid {
  display: grid; grid-template-columns: 0.8fr repeat(6, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); font-size: 12.5px;
}
.zachman-grid > div { padding: var(--sp-3); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); color: var(--text-muted); }
.zachman-grid > div:nth-child(7n) { border-right: 0; }
.zachman-grid .zh { background: var(--surface-2); color: var(--text); font-weight: 700; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.zachman-grid .zr { color: var(--accent); font-weight: 700; }
.article-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--sp-4); }
.article-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-6);
}
.article-card .type { font-family: var(--font-mono); font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.13em; margin-bottom: var(--sp-3); }
.article-card h3 { font-size: 1.15rem; margin-bottom: var(--sp-3); }
.article-card p { font-size: 13px; margin-bottom: 0; }
@media (max-width: 900px) {
  .page-hero-grid, .service-detail, .content-feature { grid-template-columns: 1fr; }
  .zachman-grid { display: block; }
  .zachman-grid > div { border-right: 0; }
  .zachman-grid .zh:not(:first-child) { display: none; }
}
@media (max-width: 620px) {
  .proof-list li, .layer-step, .service-detail .deliverables { grid-template-columns: 1fr; }
}
.hero-meta { margin-top: var(--sp-10); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); max-width: 540px; }
.hero-meta .stat { border-left: 2px solid var(--accent); padding-left: var(--sp-4); }
.hero-meta .stat-num { font-family: var(--font-display); font-size: 1.65rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; line-height: 1; }
.hero-meta .stat-label { font-size: var(--text-xs); color: var(--text-faint); margin-top: 0.35rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* Hero visual */
.hero-visual { display: none; }
.hero-card {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  padding: var(--sp-6);
  display: flex; flex-direction: column;
}
.hero-card::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero-card-top { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
.hero-card-top .dots { display: flex; gap: 6px; }
.hero-card-top .dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); }
.hero-card-top .label { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.05em; }

.hero-card-content { flex: 1; display: flex; flex-direction: column; gap: var(--sp-6); align-items: center; justify-content: center; position: relative; z-index: 1; text-align: center; }
.hero-card-content svg { width: 48%; height: auto; filter: drop-shadow(0 8px 32px var(--glow)); }
.hero-card-copy strong { display: block; color: var(--text); font-size: var(--text-lg); line-height: 1.15; margin-bottom: 0.35rem; }
.hero-card-copy span { display: block; color: var(--text-muted); font-size: var(--text-sm); font-family: var(--font-mono); }

.hero-pills {
  position: absolute; bottom: var(--sp-6); left: var(--sp-6); right: var(--sp-6);
  display: flex; flex-wrap: wrap; gap: 0.4rem; z-index: 1;
}
.hero-pills span {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  padding: 4px 9px; border-radius: 4px;
}

/* Floating chips */
.float-chip {
  position: absolute; padding: 0.55rem 0.85rem; border-radius: 10px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 0.5rem;
  font-size: var(--text-xs); font-weight: 600; color: var(--text);
  z-index: 2;
}
.float-chip.f1 { top: -12px; left: -20px; }
.float-chip.f2 { bottom: 40px; right: -20px; }
.float-chip .icon { width: 16px; height: 16px; color: var(--accent); }

/* ===== Marquee ===== */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--sp-6) 0;
  overflow: hidden;
  background: var(--bg-elev);
}
.marquee-row { display: flex; gap: var(--sp-12); align-items: center; white-space: nowrap; }
.marquee-row span {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.18em;
  color: var(--text-muted); text-transform: uppercase;
  display: inline-flex; align-items: center; gap: var(--sp-3);
}
.marquee-row span::before { content: "■"; color: var(--accent); font-size: 8px; }

/* ===== Section header ===== */
.section-head { display: grid; grid-template-columns: auto 1fr; gap: var(--sp-12); align-items: end; margin-bottom: var(--sp-12); }
.section-head .kicker { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--accent); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--sp-3); }
.section-head h2 { max-width: 18ch; margin: 0; }
.section-head p { color: var(--text-muted); font-size: var(--text-md); max-width: 56ch; margin: 0; }
@media (max-width: 800px) { .section-head { grid-template-columns: 1fr; gap: var(--sp-6); } }

/* ===== Services ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-4);
}
.service-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-8);
  display: flex; flex-direction: column;
  transition: all 0.25s var(--ease);
  position: relative; overflow: hidden;
}
.service-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity 0.3s ease;
}
.service-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.service-card:hover::after { opacity: 1; }
.service-card .icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  display: grid; place-items: center; color: var(--accent);
  margin-bottom: var(--sp-6);
}
.service-card h3 { margin: 0 0 var(--sp-3); font-size: var(--text-lg); letter-spacing: -0.015em; }
.service-card p { font-size: var(--text-sm); margin: 0 0 var(--sp-4); }
.service-card ul { list-style: none; padding: 0; margin: 0; }
.service-card li {
  font-size: var(--text-sm); color: var(--text-muted);
  padding: 0.3rem 0 0.3rem 1.25rem; position: relative;
}
.service-card li::before {
  content: ""; position: absolute; left: 0; top: 0.95rem;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

/* ===== AI Ecosystem section ===== */
.ai-eco { position: relative; overflow: hidden; }
.ai-eco-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 35% at 20% 0%, var(--glow), transparent 70%),
    radial-gradient(ellipse 40% 30% at 90% 100%, color-mix(in srgb, var(--brand-cyan) 14%, transparent), transparent 70%);
  pointer-events: none; z-index: 0;
}
.ai-eco .container { position: relative; z-index: 1; }

.arch {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  margin-bottom: var(--sp-12);
  position: relative;
  box-shadow: var(--shadow-md);
}

.arch-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--sp-4);
  align-items: center;
}
.arch-row-label {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-faint);
  text-align: right;
  padding-right: var(--sp-3);
  border-right: 1px solid var(--border);
}
.arch-nodes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}
.arch-nodes.split { grid-template-columns: 1fr 1fr; }
.arch-nodes.outcomes-row { grid-template-columns: repeat(4, 1fr); }

.arch-node {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  font-size: 13px;
  color: var(--text);
  display: flex; flex-direction: column; gap: 4px;
  min-height: 56px;
  justify-content: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.arch-node:hover { border-color: var(--border-strong); }
.arch-node .node-tag {
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
}
.arch-node.accent {
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-elev));
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border));
}
.arch-node.out { background: var(--bg-elev); border-color: var(--border-strong); }
.arch-node.sub { padding: 0.9rem 1rem; }
.arch-node.sub .sub-title { font-weight: 600; font-size: 13px; }
.arch-node.sub .sub-tools { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); margin-top: 3px; letter-spacing: 0.04em; }

.arch-arrow {
  height: 18px;
  margin: 0.35rem 0 0.35rem 110px;
  position: relative;
}
.arch-arrow::before {
  content: "";
  position: absolute; left: var(--sp-4); top: 0; bottom: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--border-strong), var(--accent));
}
.arch-arrow::after {
  content: "";
  position: absolute;
  left: calc(var(--sp-4) - 4px);
  bottom: 0;
  width: 9px; height: 9px;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(45deg);
}

.medallion {
  margin: var(--sp-4) 0 0 110px;
  padding: 0.7rem 1rem;
  background: var(--bg);
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
}
.med {
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 5px;
  font-family: var(--font-mono); letter-spacing: 0.04em;
}
.med.bronze { background: rgba(176, 110, 60, 0.18); color: #D49264; border: 1px solid rgba(176,110,60,0.4); }
.med.silver { background: rgba(170, 180, 195, 0.16); color: #C7D0DC; border: 1px solid rgba(170,180,195,0.35); }
.med.gold   { background: rgba(212, 175, 55, 0.18); color: #EDC766; border: 1px solid rgba(212,175,55,0.4); }
.med-arrow { color: var(--text-faint); font-size: 14px; }

.arch-band {
  margin: var(--sp-3) 0 0 110px;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  border-radius: 10px;
  padding: 0.85rem 1rem;
  display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap;
}
.band-title {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); font-weight: 600;
}
.band-items { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.band-items span {
  font-size: 11.5px; color: var(--text); font-weight: 500;
  padding: 3px 9px; border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.agentic {
  margin: var(--sp-3) 0 0 110px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--sp-6);
}
.agentic-title {
  font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: var(--sp-4);
  display: flex; align-items: center; gap: 0.5rem;
}
.agentic-title::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
}
.agentic-flow {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.5rem;
  position: relative;
}
.agentic-flow li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.65rem;
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  position: relative;
  font-size: 12px;
}
.agentic-flow li strong {
  font-size: 13px; color: var(--text); font-weight: 600;
}
.agentic-flow li span:not(.step-num) {
  font-size: 11px; color: var(--text-muted); line-height: 1.3;
}
.agentic-flow li .step-num {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 600; letter-spacing: 0.05em;
  color: var(--accent);
  width: 20px; height: 20px; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  display: grid; place-items: center;
  margin-bottom: 2px;
}
.agentic-flow li:not(:last-child)::after {
  content: "›"; position: absolute;
  right: -10px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 18px; font-weight: 600;
  z-index: 2;
}

.guardrails {
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px dashed var(--border);
}
.guardrail-title {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: var(--sp-3);
}
.guardrail-items {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.guardrail-items span {
  font-size: 11.5px; padding: 4px 9px; border-radius: 4px;
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
}

/* Eco capability cards (below diagram) */
.eco-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4);
}
.eco-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  position: relative;
  transition: all 0.25s var(--ease);
}
.eco-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.eco-card .eco-tag {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: var(--sp-3); display: block;
}
.eco-card h3 { font-size: 1.15rem; margin-bottom: var(--sp-3); }
.eco-card p { font-size: var(--text-sm); margin-bottom: var(--sp-4); }
.eco-card ul { list-style: none; padding: 0; margin: 0; }
.eco-card li {
  font-size: 13.5px; color: var(--text-muted);
  padding: 0.3rem 0 0.3rem 1.1rem; position: relative;
}
.eco-card li::before {
  content: ""; position: absolute; left: 0; top: 0.95rem;
  width: 5px; height: 5px; border-radius: 1px; transform: rotate(45deg);
  background: var(--accent);
}

/* Architecture responsive */
@media (max-width: 960px) {
  .arch-row { grid-template-columns: 1fr; gap: var(--sp-2); }
  .arch-row-label { text-align: left; padding-right: 0; padding-bottom: 4px; border-right: 0; border-bottom: 1px solid var(--border); }
  .arch-arrow { margin-left: 0; }
  .arch-arrow::before, .arch-arrow::after { left: 16px; }
  .medallion, .arch-band, .agentic { margin-left: 0; }
  .arch-nodes { grid-template-columns: repeat(2, 1fr); }
  .arch-nodes.outcomes-row { grid-template-columns: repeat(2, 1fr); }
  .agentic-flow { grid-template-columns: repeat(3, 1fr); }
  .agentic-flow li:not(:last-child)::after { display: none; }
  .eco-grid { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .arch-nodes, .arch-nodes.outcomes-row, .arch-nodes.split { grid-template-columns: 1fr; }
  .agentic-flow { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Method (4 steps) ===== */
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); position: relative; }
.method-grid::before {
  content: ""; position: absolute; left: 5%; right: 5%; top: 32px;
  height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong) 20%, var(--border-strong) 80%, transparent);
  z-index: 0;
}
.method-step {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-6); position: relative; z-index: 1;
}
.method-step .num {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--accent);
  margin-bottom: var(--sp-4);
}
.method-step h3 { font-size: 1.15rem; margin-bottom: var(--sp-2); }
.method-step .timeline { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-faint); margin-bottom: var(--sp-3); letter-spacing: 0.05em; text-transform: uppercase; }
.method-step p { font-size: var(--text-sm); margin-bottom: var(--sp-3); }
.method-step ul { list-style: none; padding: 0; margin: 0; }
.method-step li { font-size: 13px; color: var(--text-muted); padding: 0.15rem 0 0.15rem 0.9rem; position: relative; }
.method-step li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

@media (max-width: 980px) { .method-grid { grid-template-columns: repeat(2, 1fr); } .method-grid::before { display: none; } }
@media (max-width: 540px) { .method-grid { grid-template-columns: 1fr; } }

/* ===== Industries ===== */
.industries-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--sp-3); }
.industry-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: var(--sp-6);
  transition: all 0.25s var(--ease);
  display: flex; align-items: flex-start; gap: var(--sp-3);
}
.industry-card:hover { border-color: var(--accent); background: var(--surface-2); }
.industry-card .icon {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  color: var(--accent); display: grid; place-items: center;
}
.industry-card h3 { font-size: var(--text-base); margin: 0 0 0.25rem; font-weight: 600; }
.industry-card p { font-size: 13px; margin: 0; color: var(--text-muted); }

/* ===== Accelerators ===== */
.accel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--sp-4); }
.accel-card {
  background: linear-gradient(165deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-8);
  position: relative; overflow: hidden;
}
.accel-card .tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--sp-3); display: block; }
.accel-card h3 { font-size: 1.2rem; margin: 0 0 var(--sp-3); }
.accel-card p { font-size: var(--text-sm); margin: 0 0 var(--sp-4); }
.accel-card .outcomes { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.accel-card .outcomes span {
  font-size: 11.5px; padding: 3px 8px; border-radius: 4px;
  background: var(--bg); color: var(--text-muted); border: 1px solid var(--border);
}

/* ===== KnowledgeWave ===== */
.kw-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--sp-4); margin-bottom: var(--sp-10); }
.kw-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: relative;
  transition: all 0.25s var(--ease);
}
.kw-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.kw-card .type {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: var(--sp-3); display: inline-flex; gap: 6px; align-items: center;
}
.kw-card h3 { font-size: 1.05rem; line-height: 1.3; margin-bottom: var(--sp-3); font-weight: 600; }
.kw-card p { font-size: 13px; line-height: 1.55; color: var(--text-muted); margin: 0 0 var(--sp-4); }
.kw-card .meta { font-size: 12px; color: var(--text-faint); }
.kw-card .badge {
  position: absolute; top: var(--sp-4); right: var(--sp-4);
  font-size: 10.5px; font-family: var(--font-mono); letter-spacing: 0.08em;
  background: var(--bg); border: 1px solid var(--border-strong); color: var(--text-muted);
  padding: 3px 7px; border-radius: 4px;
}

.kw-cta {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--sp-10); text-align: center;
}
.kw-cta h3 { font-size: var(--text-lg); margin-bottom: var(--sp-3); }
.kw-cta p { max-width: 50ch; margin: 0 auto var(--sp-6); }
.kw-form { display: flex; gap: var(--sp-2); max-width: 460px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.kw-form input {
  flex: 1; min-width: 220px;
  padding: 0.75rem 0.95rem; font: inherit; font-size: var(--text-sm);
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 8px;
}
.kw-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

/* ===== About / Leadership ===== */
.about-intro { max-width: 880px; margin: 0 auto var(--sp-12); text-align: left; }
.about-intro h2 { margin-bottom: var(--sp-6); }
.about-lede { font-size: var(--text-md); color: var(--text-muted); margin-bottom: var(--sp-4); }

.leaders-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6);
  margin-bottom: var(--sp-12);
}
.leader-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex; flex-direction: column; gap: var(--sp-5);
  position: relative; overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.leader-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.8;
}
.leader-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.leader-head { display: flex; align-items: center; gap: var(--sp-4); }
.leader-id { min-width: 0; }
.leader-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-blue-bright), var(--brand-blue-deep));
  display: grid; place-items: center;
  color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 24px -10px var(--glow);
  flex-shrink: 0;
}
.leader-avatar.accent-2 {
  background: linear-gradient(135deg, #1B474D, #20808D);
  box-shadow: 0 8px 24px -10px rgba(32, 128, 141, 0.4);
}
.leader-name { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; color: var(--text); letter-spacing: -0.015em; line-height: 1.25; }
.leader-role { font-size: 13px; color: var(--accent); font-weight: 500; margin-top: 4px; line-height: 1.4; }
.leader-card > p { font-size: var(--text-sm); color: var(--text-muted); margin: 0; line-height: 1.6; }
.leader-creds {
  font-size: 12.5px; color: var(--text-faint);
  border-top: 1px dashed var(--border);
  padding-top: var(--sp-3);
  line-height: 1.55;
}
.leader-link {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.leader-link svg { color: var(--accent); transition: color 0.2s ease; }
.leader-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  transform: translateY(-1px);
}
.leader-link:hover svg { color: var(--accent); }
.leader-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.leader-focus {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: var(--sp-4) var(--sp-5);
}
.focus-title {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: var(--sp-2);
}
.leader-focus ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.leader-focus li {
  font-size: 13px; color: var(--text); padding-left: 1.1rem; position: relative;
}
.leader-focus li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 5px; height: 5px; background: var(--accent);
  transform: rotate(45deg);
}

.about-foot {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 4rem);
  padding-top: var(--sp-10);
  border-top: 1px solid var(--border);
  align-items: start;
}
.about-foot h3 { font-size: 1.05rem; margin-bottom: var(--sp-3); }
.about-foot p { font-size: var(--text-base); color: var(--text-muted); margin: 0; max-width: 42ch; }
.capabilities { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.65rem; }
.capabilities li { font-size: 14px; color: var(--text); padding-left: 1.5rem; position: relative; }
.capabilities li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 6px; height: 6px; background: var(--accent); border-radius: 1px;
  transform: rotate(45deg);
}

@media (max-width: 880px) {
  .leaders-grid { grid-template-columns: 1fr; }
  .about-foot { grid-template-columns: 1fr; gap: var(--sp-6); }
}

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); }
.contact-info h2 { margin-bottom: var(--sp-6); }
.contact-info p { font-size: var(--text-md); max-width: 48ch; }
.contact-list { list-style: none; padding: 0; margin: var(--sp-8) 0 0; display: grid; gap: var(--sp-5); }
.contact-list li { display: flex; align-items: flex-start; gap: var(--sp-3); }
.contact-list .icon {
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--accent); display: grid; place-items: center; flex-shrink: 0;
}
.contact-list .label { font-size: 12px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px; }
.contact-list .value { color: var(--text); font-size: var(--text-base); font-weight: 500; }
.contact-list .value a { color: var(--text); }
.contact-list .value a:hover { color: var(--accent); }

.contact-form {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-bottom: var(--sp-4); }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.form-field input, .form-field select, .form-field textarea {
  font: inherit; font-size: var(--text-sm);
  padding: 0.7rem 0.85rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-field textarea { resize: vertical; min-height: 110px; font-family: inherit; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}
.contact-form button { width: 100%; justify-content: center; padding: 0.85rem 1rem; margin-top: var(--sp-2); }
.contact-form .privacy-note { font-size: 12px; color: var(--text-faint); margin-top: var(--sp-3); margin-bottom: 0; text-align: center; }
.form-success {
  display: none;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--text);
  padding: var(--sp-4); border-radius: 8px; margin-bottom: var(--sp-4);
  font-size: var(--text-sm);
}
.form-success.show { display: block; }

@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } .form-row { grid-template-columns: 1fr; } }

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-blue-deep) 0%, var(--brand-blue) 65%, var(--brand-blue-bright) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  position: relative; overflow: hidden;
  color: #fff;
}
.cta-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top right, #000, transparent 70%);
}
.cta-banner-grid { display: grid; grid-template-columns: 1.5fr auto; gap: var(--sp-8); align-items: center; position: relative; z-index: 1; }
.cta-banner h2 { color: #fff; margin: 0 0 var(--sp-3); font-size: clamp(1.5rem, 3vw, 2.25rem); letter-spacing: -0.025em; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); margin: 0; max-width: 50ch; }
.cta-banner .btn { background: #fff; color: var(--brand-blue-deep); border-color: #fff; }
.cta-banner .btn:hover { background: rgba(255,255,255,0.92); color: var(--brand-blue-deep); }
@media (max-width: 720px) { .cta-banner-grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  padding: var(--sp-16) 0 var(--sp-8);
  margin-top: var(--sp-20);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--sp-8); margin-bottom: var(--sp-12); }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text); margin: 0 0 var(--sp-4); font-weight: 600; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.footer-col a { color: var(--text-muted); font-size: 14px; }
.footer-col a:hover { color: var(--text); }
.footer-brand p { font-size: 14px; max-width: 36ch; margin-top: var(--sp-4); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--sp-6);
  display: flex; justify-content: space-between; align-items: center; gap: var(--sp-4);
  flex-wrap: wrap;
  font-size: 13px; color: var(--text-faint);
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

/* ===== Mobile nav ===== */
.mobile-nav {
  display: none;
  position: fixed; inset: 72px 0 0; z-index: 49;
  background: var(--bg);
  padding: var(--sp-6);
  overflow-y: auto;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.mobile-nav.open { opacity: 1; pointer-events: auto; }
.mobile-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.mobile-nav a {
  display: block; padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
  color: var(--text); font-size: 1.05rem; font-weight: 500;
  font-family: var(--font-display);
}
.mobile-nav .btn { margin-top: var(--sp-6); width: 100%; justify-content: center; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 380px; margin: 0 auto; }
  .hero-meta { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .menu-toggle { display: grid; }
  .mobile-nav { display: block; }
  .hero-meta { grid-template-columns: 1fr; max-width: 100%; gap: var(--sp-4); }
  .section-head h2 { font-size: var(--text-xl); }
  .hero-pills { display: none; }
  .float-chip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}