/* =============================================================
   FULLSCALE MDC — Design System
   Extracted from Claude Design (Direction B) and converted to
   production HTML/CSS. Editorial · Modular · Power-first.
============================================================= */

:root {
  /* ── Brand palette (Logo-A12 purple accent) ── */
  --accent:        #6e4bff;
  --accent-soft:   rgba(110, 75, 255, 0.14);
  --accent-softer: rgba(110, 75, 255, 0.06);
  --accent-strong: #5535e0;

  /* Surfaces */
  --ink:           #0a0d12;
  --ink-2:         #15191f;
  --bg:            #fafaf7;
  --paper:         #ffffff;

  /* Type tones */
  --muted:         rgba(10, 13, 18, 0.55);
  --soft-muted:    rgba(10, 13, 18, 0.35);

  /* Lines */
  --line:          rgba(10, 13, 18, 0.10);
  --line-soft:     rgba(10, 13, 18, 0.06);

  /* Typography */
  --serif:  'Newsreader', 'Times New Roman', Times, serif;
  --sans:   'Inter', system-ui, -apple-system, 'Helvetica Neue', Helvetica, sans-serif;
  --mono:   'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Motion */
  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --transition:  220ms var(--ease);

  /* Layout */
  --gutter: 56px;
  --gutter-mobile: 20px;
  --max-width: 1440px;
}

/* ──────────────────────────────────────────────────────────── */
/*  RESET / BASE                                                */
/* ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* Selection */
::selection { background: var(--accent); color: white; }

/* ──────────────────────────────────────────────────────────── */
/*  TYPOGRAPHY                                                  */
/* ──────────────────────────────────────────────────────────── */
.serif       { font-family: var(--serif); font-weight: 400; letter-spacing: -0.025em; }
.mono        { font-family: var(--mono); }
.mono-label  {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.mono-accent { color: var(--accent); }
em.accent    { font-style: italic; color: var(--accent); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.03em; line-height: 0.98; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.eyebrow .pip {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(110,75,255,0.12);
  display: inline-block;
}
.eyebrow .accent-text { color: var(--accent); }

/* ──────────────────────────────────────────────────────────── */
/*  LAYOUT                                                      */
/* ──────────────────────────────────────────────────────────── */
.section {
  padding: 140px var(--gutter);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.section--alt        { background: var(--bg); }
.section--paper      { background: var(--paper); }
.section--dark       { background: var(--ink); color: var(--bg); }
.section--tight      { padding: 100px var(--gutter); }
.section--xtight     { padding: 64px var(--gutter); }
.section--no-border  { border-bottom: none; }

.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  align-items: baseline;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(40px, 5vw, 64px);
  line-height: 0.98;
  max-width: 18ch;
  margin: 0;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: start; }
.grid-2-flip { display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px; align-items: start; }
.sticky { position: sticky; top: 100px; }

/* ──────────────────────────────────────────────────────────── */
/*  NAV                                                         */
/* ──────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 22px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 250, 247, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.nav.scrolled { border-bottom-color: var(--line); }

.nav-brand {
  display: flex;
  align-items: center;
  color: var(--ink);
  flex-shrink: 0;
}
.nav-brand .nav-logo {
  display: block;
  height: 22px;
  width: auto;
}
.nav-brand .mark {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.nav-brand .wordmark {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-left: 12px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-links a {
  font-size: 14px;
  color: var(--ink);
  opacity: 0.78;
  font-weight: 450;
  transition: opacity var(--transition), color var(--transition);
}
.nav-links a:hover { opacity: 1; color: var(--accent); }
.nav-links a.active { opacity: 1; color: var(--accent); }
.nav-cta {
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-cta:hover { background: var(--accent); transform: translateY(-1px); }
.nav-cta .arrow { font-family: var(--mono); }

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
}
.nav-burger span {
  width: 16px;
  height: 1px;
  background: var(--ink);
  box-shadow: 0 -5px 0 var(--ink), 0 5px 0 var(--ink);
  display: block;
}

@media (max-width: 900px) {
  .nav { padding: 16px var(--gutter-mobile); }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: inline-flex; }
  .nav.menu-open + .nav-mobile { display: block; }
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: 60px 0 0 0;
  z-index: 49;
  background: var(--bg);
  padding: 24px var(--gutter-mobile);
  border-top: 1px solid var(--line);
}
.nav-mobile a {
  display: block;
  padding: 18px 0;
  font-size: 22px;
  font-family: var(--serif);
  letter-spacing: -0.02em;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.nav-mobile .nav-cta {
  display: inline-flex;
  margin-top: 24px;
}

/* ──────────────────────────────────────────────────────────── */
/*  BUTTONS                                                     */
/* ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  font-family: inherit;
}
.btn .arrow { font-family: var(--mono); font-size: 14px; }
.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }

.btn-accent {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 22px 28px;
  font-size: 15px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}

/* ──────────────────────────────────────────────────────────── */
/*  HERO                                                        */
/* ──────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 140px var(--gutter) 80px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
          mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}
.hero h1 {
  font-size: clamp(56px, 9vw, 110px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 36px;
  max-width: 14ch;
}
.hero .lead {
  font-size: 19px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 560px;
  margin: 0 0 36px;
}
.hero-art {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Interior page hero */
.page-hero {
  padding: 160px var(--gutter) 80px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  max-width: 22ch;
  margin: 0;
}
.page-hero .lead {
  margin-top: 28px;
  font-size: 18px;
  color: var(--muted);
  max-width: 64ch;
  line-height: 1.5;
}

/* Stats strip under hero */
.stats-strip {
  position: relative;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  padding-right: 24px;
}
.stat + .stat {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.stat-label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--soft-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.stat-value {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  line-height: 1.05;
}
.stat-sub {
  font-size: 12.5px;
  color: var(--muted);
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Power compare card                               */
/* ──────────────────────────────────────────────────────────── */
.power-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  margin-bottom: 24px;
  background: var(--paper);
}
.power-compare > div { padding: 36px 32px; }
.power-compare > div:first-child { border-right: 1px solid var(--line); }
.power-compare > div:last-child { background: var(--accent); color: white; }
.power-compare .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  color: var(--soft-muted);
}
.power-compare > div:last-child .label { color: rgba(255,255,255,0.75); }
.power-compare .number {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--soft-muted);
}
.power-compare > div:last-child .number { color: white; }
.power-compare .number .unit {
  font-size: 28px;
  margin-left: 6px;
}
.power-compare .caption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
}
.power-compare > div:last-child .caption { color: rgba(255,255,255,0.85); }

/* List with mono labels */
.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.spec-list li:last-child { border-bottom: none; }
.spec-list .k {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--soft-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.spec-list .v {
  font-size: 15.5px;
  color: var(--ink);
  line-height: 1.55;
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Deployment spectrum                              */
/* ──────────────────────────────────────────────────────────── */
.spectrum {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.spectrum-tier {
  padding: 40px 28px 36px;
  border-right: 1px solid var(--line);
  position: relative;
}
.spectrum-tier:last-child { border-right: none; }
.spectrum-tier .n {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 24px;
}
.spectrum-tier .blocks {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-bottom: 24px;
  height: 48px;
  align-content: flex-end;
}
.spectrum-tier .blocks span {
  width: 10px;
  height: 18px;
  background: var(--line-soft);
}
.spectrum-tier .blocks span.fill {
  background: var(--accent);
}
.spectrum-tier .name {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.spectrum-tier .mw {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.spectrum-tier .desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Speed delta                                      */
/* ──────────────────────────────────────────────────────────── */
.speed-track { margin-bottom: 28px; }
.speed-track-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.speed-track-label {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 2px;
}
.speed-track-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.speed-track-time {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}
.speed-track-time.us { color: var(--accent); }
.speed-bar {
  position: relative;
  height: 28px;
  background: rgba(10,13,18,0.04);
}
.speed-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background: var(--accent);
  width: 0;
  transition: width 1.6s var(--ease);
}
.speed-bar-fill.slow {
  background: repeating-linear-gradient(90deg, rgba(10,13,18,0.18) 0 6px, transparent 6px 10px);
}
.speed-bar-dot {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--accent);
  transition: left 1.6s var(--ease);
}
.speed-axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Hardware stack                                   */
/* ──────────────────────────────────────────────────────────── */
.hwstack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--paper);
}
.hw-item {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 28px 24px;
  transition: background var(--transition);
}
.hw-item:hover { background: var(--accent-softer); }
.hw-item .name {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  color: var(--ink);
}
.hw-item .spec {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Deploy rail (3 phases)                           */
/* ──────────────────────────────────────────────────────────── */
.rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.rail-step {
  padding: 32px 36px 36px;
  border-left: 1px solid var(--line);
  position: relative;
}
.rail-step:first-child { border-left: none; }
.rail-step .n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}
.rail-step .label {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
}
.rail-step .body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Partner strip                                    */
/* ──────────────────────────────────────────────────────────── */
.partners-strip {
  padding: 100px var(--gutter);
}
.partners-strip .mono-label { margin-bottom: 24px; }
.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 40px 56px;
  align-items: center;
}
.partner-list span {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: rgba(10,13,18,0.7);
  transition: color var(--transition);
}
.partner-list span:hover { color: var(--accent); }

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: CTA section (dark)                               */
/* ──────────────────────────────────────────────────────────── */
.cta {
  padding: 160px var(--gutter);
  background: var(--ink);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}
.cta-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at right, black 0%, transparent 65%);
          mask-image: radial-gradient(ellipse at right, black 0%, transparent 65%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: end;
}
.cta h2 {
  font-family: var(--serif);
  font-size: clamp(56px, 9vw, 128px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 0 0 36px;
  max-width: 1100px;
  font-weight: 400;
}
.cta .lead {
  font-size: 19px;
  line-height: 1.5;
  color: rgba(250,250,247,0.7);
  max-width: 560px;
  margin-bottom: 40px;
}
.cta .eyebrow { color: var(--accent); margin-bottom: 32px; }
.cta .btn-accent { color: white; }

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Big numbered list (services / formats)           */
/* ──────────────────────────────────────────────────────────── */
.format-row {
  padding: 88px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.format-row:nth-child(even) { background: var(--paper); }
.format-row .grid {
  display: grid;
  grid-template-columns: 100px 1.3fr 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}
.format-row .n {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.12em;
}
.format-row .name {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 400;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  line-height: 1;
}
.format-row .mw {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.format-row .body {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
}
.format-row .includes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.format-row .includes li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  display: flex;
  gap: 12px;
  color: var(--ink);
}
.format-row .includes li::before {
  content: '+';
  color: var(--accent);
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Inquiry form                                     */
/* ──────────────────────────────────────────────────────────── */
.inquiry-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 48px;
}
.inquiry-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 72px;
  align-items: start;
}
.inquiry-aside {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.inquiry-aside .panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px 28px;
}
.inquiry-aside .panel-tight { padding: 24px 28px; }
.inquiry-aside .label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--soft-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
}
.steps li span:first-child {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.steps li span:last-child { font-size: 14px; line-height: 1.5; }

/* Form fields */
.field-block {
  margin-bottom: 36px;
}
.field-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.field-label .n { color: var(--accent); }
.field-label .opt { color: var(--muted); margin-left: 6px; text-transform: none; letter-spacing: 0; font-size: 11px; }

.chip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.chip {
  appearance: none;
  cursor: pointer;
  text-align: left;
  padding: 14px 16px;
  background: #f5f3ef;
  border: 1px solid var(--line);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-radius: 0;
  transition: all 150ms var(--ease);
  font-family: inherit;
}
.chip:hover { border-color: var(--ink); }
.chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.chip .chip-label {
  font-weight: 500;
  font-size: 14px;
}
.chip .chip-sub {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.hw-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hw-chip {
  appearance: none;
  cursor: pointer;
  padding: 8px 14px;
  font-size: 12px;
  background: #f5f3ef;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  letter-spacing: 0.02em;
  border-radius: 0;
  transition: all 150ms var(--ease);
}
.hw-chip:hover { border-color: var(--ink); }
.hw-chip.active {
  background: rgba(110, 75, 255, 0.13);
  border-color: var(--accent);
}
.hw-chip.active::before { content: '✓ '; }

.text-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.text-field { display: block; }
.text-field-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.text-field input,
.text-field textarea {
  width: 100%;
  box-sizing: border-box;
  background: rgba(10,13,18,0.02);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 12px 14px;
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.text-field input:focus,
.text-field textarea:focus { border-color: var(--accent); }

.submit-btn {
  width: 100%;
  padding: 20px;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
}
.submit-btn:hover { background: var(--accent-strong); }
.submit-btn .arrow { font-family: var(--mono); }

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Proof case card                                  */
/* ──────────────────────────────────────────────────────────── */
.case {
  padding: 100px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.case:nth-child(even) { background: var(--paper); }
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
}
.case h2 {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 400;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  line-height: 1;
}
.case .case-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}
.case .tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.14em;
  margin-bottom: 24px;
}
.case-progress {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  max-width: 320px;
}
.case-progress span {
  height: 26px;
  background: var(--line-soft);
}
.case-progress span.fill { background: var(--accent); }
.case .body {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 32px;
}
.case .stats { border-top: 1px solid var(--line); }
.case .stats > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.case .stats .k {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--soft-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.case .stats .v {
  font-size: 14.5px;
}

/* ──────────────────────────────────────────────────────────── */
/*  FOOTER                                                      */
/* ──────────────────────────────────────────────────────────── */
.footer {
  padding: 64px var(--gutter) 40px;
  background: var(--bg);
  color: var(--ink);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-brand .mark { width: 22px; height: 22px; }
.footer-brand .wordmark { font-size: 16px; font-weight: 600; }
.footer-brand .footer-logo {
  display: block;
  height: 30px;
  width: auto;
}
.footer p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 340px;
  margin: 0;
}
.footer-col-head {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--soft-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 13.5px;
  color: var(--ink);
  opacity: 0.85;
  transition: color var(--transition);
}
.footer-col a:hover { opacity: 1; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--soft-muted);
  letter-spacing: 0.1em;
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Pillar block strip (Community page)              */
/* ──────────────────────────────────────────────────────────── */
.pillar-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.pillar-strip > div {
  padding: 64px 40px;
  border-right: 1px solid var(--line);
}
.pillar-strip > div:last-child { border-right: none; }
.pillar-strip .n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.14em;
  margin-bottom: 24px;
}
.pillar-strip h3 {
  font-family: var(--serif);
  font-size: 38px;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
  line-height: 1;
}
.pillar-strip p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.55;
}

/* ──────────────────────────────────────────────────────────── */
/*  COMPONENT: Reveal on scroll                                 */
/* ──────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 80ms; }
.reveal.d2 { transition-delay: 160ms; }
.reveal.d3 { transition-delay: 240ms; }

/* ──────────────────────────────────────────────────────────── */
/*  RESPONSIVE                                                  */
/* ──────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .grid-2, .grid-2-flip,
  .cta-inner,
  .inquiry-grid,
  .case-grid { grid-template-columns: 1fr; gap: 48px; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat + .stat { border-left: none; padding-left: 0; }
  .stat:nth-child(3), .stat:nth-child(4) { border-top: 1px solid var(--line); padding-top: 24px; }
  .spectrum { grid-template-columns: repeat(2, 1fr); }
  .spectrum-tier:nth-child(2) { border-right: none; }
  .spectrum-tier:nth-child(1),
  .spectrum-tier:nth-child(2) { border-bottom: 1px solid var(--line); }
  .hwstack { grid-template-columns: repeat(2, 1fr); }
  .rail { grid-template-columns: 1fr; }
  .rail-step { border-left: none; border-top: 1px solid var(--line); padding: 24px 0; }
  .rail-step:first-child { border-top: none; }
  .format-row .grid { grid-template-columns: 1fr; gap: 24px; }
  .pillar-strip { grid-template-columns: 1fr; }
  .pillar-strip > div { border-right: none; border-bottom: 1px solid var(--line); padding: 48px 24px; }
  .pillar-strip > div:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .section, .page-hero, .hero, .cta, .partners-strip, .case, .format-row {
    padding-left: var(--gutter-mobile);
    padding-right: var(--gutter-mobile);
  }
  .section, .cta { padding-top: 80px; padding-bottom: 80px; }
  .hero { padding-top: 100px; padding-bottom: 60px; }
  .page-hero { padding-top: 120px; padding-bottom: 60px; }
  .partners-strip { padding-top: 60px; padding-bottom: 60px; }
  .inquiry-card { padding: 28px 20px; }
  .chip-grid { grid-template-columns: repeat(2, 1fr); }
  .text-grid-2 { grid-template-columns: 1fr; }
  .power-compare { grid-template-columns: 1fr; }
  .power-compare > div:first-child { border-right: none; border-bottom: 1px solid var(--line); }
  .spec-list li { grid-template-columns: 1fr; gap: 6px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .case h2, .cta h2 { font-size: 48px !important; }
  .section-head { grid-template-columns: 1fr; gap: 16px; }
}

/* ──────────────────────────────────────────────────────────── */
/*  ANIMATIONS & GRAPHICS                                       */
/* ──────────────────────────────────────────────────────────── */

/* Live indicator dot */
.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(110, 75, 255, 0.6);
  animation: live-pulse 2s ease-out infinite;
  margin-right: 8px;
  vertical-align: middle;
}
.live-dot.green {
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
}
@keyframes live-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(110, 75, 255, 0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(110, 75, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 75, 255, 0); }
}
.live-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px 5px 8px;
  border: 1px solid var(--accent);
  background: var(--accent-softer);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border-radius: 999px;
}

/* ── Power Flow hero diagram ── */
.power-flow {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.power-flow svg {
  width: 100%;
  height: 100%;
  max-width: 720px;
  display: block;
}
.power-flow .flow-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 9.5px;
  fill: var(--soft-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.power-flow .flow-label-accent { fill: var(--accent); }
.power-flow .node-rect {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1.4;
}
.power-flow .node-accent {
  fill: var(--accent);
  stroke: var(--accent);
}
.power-flow .core-glow {
  fill: var(--accent);
  filter: url(#corebloom);
  animation: core-pulse 2.4s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes core-pulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%      { transform: scale(1.08); opacity: 0.85; }
}
.power-flow .core-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.2;
  opacity: 0;
  animation: core-ring 2.4s linear infinite;
  transform-origin: center;
  transform-box: fill-box;
}
.power-flow .core-ring.r2 { animation-delay: 0.8s; }
.power-flow .core-ring.r3 { animation-delay: 1.6s; }
@keyframes core-ring {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(2.4); opacity: 0;   }
}
.power-flow .flow-line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1;
  opacity: 0.18;
}
.power-flow .flow-pulse {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 8 320;
  animation: flow-move 2s linear infinite;
}
.power-flow .flow-pulse.p2 { animation-delay: 0.4s; }
.power-flow .flow-pulse.p3 { animation-delay: 0.8s; }
.power-flow .flow-pulse.p4 { animation-delay: 1.2s; }
.power-flow .flow-pulse.p5 { animation-delay: 1.6s; }
@keyframes flow-move {
  0%   { stroke-dashoffset: 0;    }
  100% { stroke-dashoffset: -328; }
}
.power-flow .block-fill {
  fill: var(--accent);
  opacity: 0;
  animation: block-arrive 4s ease-out infinite;
}
.power-flow .block-fill.b2 { animation-delay: 0.6s; }
.power-flow .block-fill.b3 { animation-delay: 1.2s; }
@keyframes block-arrive {
  0%, 100% { opacity: 0; }
  20%, 70% { opacity: 1; }
}

/* ── White-Space cutaway diagram ── */
.whitespace-diagram {
  width: 100%;
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 48px;
}
.whitespace-diagram svg {
  width: 100%;
  height: auto;
  display: block;
  max-width: 720px;
  margin: 0 auto;
}
.whitespace-diagram .shell-layer {
  fill: none;
  stroke-width: 1.4;
}
.whitespace-diagram .layer-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--soft-muted);
}
.whitespace-diagram .customer-zone {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 1.4;
}
.whitespace-diagram .customer-label {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: -0.02em;
  fill: var(--ink);
  text-anchor: middle;
}
.whitespace-diagram .customer-sub {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  fill: var(--accent);
  text-anchor: middle;
}

/* ── Phase block growth visualization ── */
.phase-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}
.phase-cell {
  padding: 36px 28px;
  border-right: 1px solid var(--line);
}
.phase-cell:last-child { border-right: none; }
.phase-cell .ph-n {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.phase-cell .ph-cap {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin-bottom: 4px;
}
.phase-cell .ph-cap .small {
  font-size: 24px;
  color: var(--accent);
  margin-left: 4px;
}
.phase-cell .ph-lab {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.phase-cell .ph-blocks {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  margin-bottom: 18px;
  height: 36px;
}
.phase-cell .ph-blocks span {
  background: var(--line-soft);
  border-radius: 1px;
  transition: background 600ms var(--ease), transform 600ms var(--ease);
}
.phase-cell.in-view .ph-blocks span.f { background: var(--accent); }
.phase-cell .ph-body {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
}
.phase-cell .ph-status {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.phase-cell .ph-status.live { color: var(--accent); border-color: var(--accent); }

/* ── Side-by-side comparison cards ── */
.versus {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
}
.versus-card {
  padding: 36px 32px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.versus-card.us {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.versus-card .vs-head {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.versus-card .vs-head .vs-tag { color: var(--soft-muted); }
.versus-card.us .vs-head .vs-tag { color: var(--accent); }
.versus-card .vs-name {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.05;
}
.versus-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.versus-card li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.5;
}
.versus-card.us li {
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.versus-card li:last-child { border-bottom: none; }
.versus-card li::before {
  content: '×';
  font-family: var(--mono);
  color: var(--soft-muted);
  font-size: 16px;
}
.versus-card.us li::before {
  content: '+';
  color: var(--accent);
}
.versus-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  color: var(--soft-muted);
}
@media (max-width: 900px) {
  .versus { grid-template-columns: 1fr; gap: 16px; }
  .versus-divider { padding: 8px 0; }
}

/* ── Ambient grid background (used on multiple sections) ── */
.amb-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, black 0%, transparent 70%);
          mask-image: radial-gradient(ellipse at 70% 50%, black 0%, transparent 70%);
  pointer-events: none;
}
.amb-grid.tl { -webkit-mask-image: radial-gradient(ellipse at 30% 30%, black 0%, transparent 70%); mask-image: radial-gradient(ellipse at 30% 30%, black 0%, transparent 70%); }
.amb-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110, 75, 255, 0.10) 0%, transparent 70%);
  pointer-events: none;
  animation: glow-drift 12s ease-in-out infinite;
}
@keyframes glow-drift {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(40px, -30px); }
}

/* ── Counter (used for stats) ── */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ── Stats strip — give them more presence with accent number ── */
.stat-value em { color: var(--accent); font-style: normal; }

/* ── Hardware tile hover lift ── */
.hw-item {
  position: relative;
}
.hw-item::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 350ms var(--ease);
}
.hw-item:hover::after { transform: scaleX(1); }

/* ── Animated block grid (used in hero stats area) ── */
.mini-blocks {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  margin-top: 12px;
  height: 24px;
}
.mini-blocks span {
  background: var(--line-soft);
}
.mini-blocks span.f {
  background: var(--accent);
  animation: mb-pop 1.4s ease-out;
}
@keyframes mb-pop {
  from { transform: scaleY(0.2); opacity: 0; }
  to   { transform: scaleY(1);   opacity: 1; }
}

/* ── Why Us moat cards (home page) ── */
.moats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}
.moat-card {
  display: block;
  padding: 40px 32px;
  border-right: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background 300ms var(--ease);
  position: relative;
}
.moat-card:last-child { border-right: none; }
.moat-card:hover { background: var(--accent-softer); }
.moat-card .moat-n {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.moat-card h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 18px 0;
  color: var(--ink);
}
.moat-card p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 28px 0;
}
.moat-card .moat-link {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.moat-card .moat-link .arrow {
  display: inline-block;
  transition: transform 300ms var(--ease);
}
.moat-card:hover .moat-link .arrow { transform: translateX(4px); }

@media (max-width: 980px) {
  .moats { grid-template-columns: 1fr; }
  .moat-card { border-right: none; border-bottom: 1px solid var(--line); }
  .moat-card:last-child { border-bottom: none; }
}

/* ── Spectrum tier as link (clickable) ── */
.spectrum-tier.link {
  text-decoration: none;
  color: inherit;
  transition: background 300ms var(--ease);
}
.spectrum-tier.link:hover { background: var(--accent-softer); }

/* ── Nav active state ── */
.nav-links a.active {
  color: var(--accent);
}