/* ============================================================
   OCTET — B2B Network Infrastructure
   Design system: editorial banking, hairline borders, deep ink
   ============================================================ */

:root {
  --ink-900: #0a0d14;
  --ink-800: #11151f;
  --ink-700: #1a2030;
  --ink-500: #475063;
  --ink-400: #6b7488;
  --ink-300: #9aa2b5;
  --ink-200: #c8cdd9;
  --ink-100: #e5e8ef;
  --ink-50:  #f3f4f7;
  --paper:   #fafaf7;
  --paper-2: #ffffff;

  --brass-700: #8a6a2f;
  --brass-500: #b08a4a;
  --brass-400: #c9a55f;
  --brass-200: #e8d6a8;
  --brass-50:  #f5ecd8;

  --signal:  #2a7d6f;
  --danger:  #b1452b;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-soft: 0 1px 2px rgba(10,13,20,.04), 0 8px 24px rgba(10,13,20,.04);
  --shadow-card: 0 1px 2px rgba(10,13,20,.05), 0 12px 40px rgba(10,13,20,.06);
  --shadow-pop:  0 24px 80px rgba(10,13,20,.16);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-serif: 'Fraunces', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --maxw: 1240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-900);
  background: var(--paper);
  font-feature-settings: 'ss01' 1, 'cv11' 1, 'tnum' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img, svg { display: block; max-width: 100%; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- Layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.hairline { height: 1px; background: var(--ink-100); width: 100%; }
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--brass-400);
}
.serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  font-feature-settings: 'ss01' 1;
}
.mono { font-family: var(--font-mono); }

/* ---------- Top status bar ---------- */
.statusbar {
  background: var(--ink-900);
  color: var(--ink-200);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.statusbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
}
.statusbar-left { display: flex; gap: 28px; align-items: center; }
.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--signal);
  margin-right: 8px;
  box-shadow: 0 0 0 0 rgba(42,125,111,0.6);
  animation: pulse 2.6s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(42,125,111,0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(42,125,111,0); }
  100% { box-shadow: 0 0 0 0 rgba(42,125,111,0); }
}
.statusbar-right { display: flex; gap: 24px; align-items: center; }
.statusbar a:hover { color: var(--brass-400); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,250,247,0.85);
  backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--ink-100);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex; align-items: center; gap: 14px;
}
.brand-mark {
  width: 38px; height: 38px;
  border: 1px solid var(--ink-900);
  display: grid; place-items: center;
  position: relative;
}
.brand-mark::before, .brand-mark::after {
  content: ''; position: absolute;
  background: var(--ink-900);
}
.brand-mark::before { width: 16px; height: 1px; }
.brand-mark::after  { height: 16px; width: 1px; }
.brand-mark span {
  position: absolute; inset: 4px;
  border: 1px solid var(--brass-400);
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.16em;
  font-weight: 500;
}
.brand-sub {
  font-size: 9.5px;
  letter-spacing: 0.28em;
  color: var(--ink-500);
  text-transform: uppercase;
  margin-top: -2px;
}
.nav {
  display: flex; gap: 36px; align-items: center;
}
.nav a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.nav a:hover { color: var(--ink-900); }
.nav a:hover::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: var(--brass-400);
}
.header-cta { display: flex; gap: 12px; align-items: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .2s ease;
  white-space: nowrap;
  border-radius: 2px;
}
.btn-primary {
  background: var(--ink-900);
  color: var(--paper);
}
.btn-primary:hover { background: var(--ink-700); }
.btn-ghost {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--ink-200);
}
.btn-ghost:hover { border-color: var(--ink-900); }
.btn-brass {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--brass-400);
}
.btn-brass:hover { background: var(--brass-400); color: var(--ink-900); }
.btn .arrow {
  display: inline-block;
  transition: transform .2s;
}
.btn:hover .arrow { transform: translateX(3px); }
.btn-lg { padding: 16px 32px; font-size: 13px; }
.btn-sm { padding: 8px 16px; font-size: 11px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: start;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.6vw, 72px);
  line-height: 1.04;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin-top: 28px;
  margin-bottom: 28px;
}
.hero h1 em {
  font-style: italic;
  color: var(--brass-700);
  font-weight: 400;
}
.hero-lead {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-500);
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--ink-100);
}
.hero-meta-item .num {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1;
  color: var(--ink-900);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.hero-meta-item .num sup {
  font-size: 14px;
  color: var(--brass-400);
  margin-left: 4px;
  vertical-align: super;
}
.hero-meta-item .lbl {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
  text-transform: uppercase;
}

/* Hero card (right) */
.hero-card {
  background: var(--paper-2);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.hero-card-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink-100);
  margin-bottom: 22px;
}
.hero-card-head .tag {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.hero-card-head .live {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.08em; color: var(--signal);
  text-transform: uppercase;
}
.hero-card-head .live::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal); animation: pulse 2.6s infinite;
}
.metric-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--ink-100);
}
.metric-row:last-of-type { border-bottom: none; }
.metric-row .k {
  font-size: 12px; letter-spacing: 0.05em;
  color: var(--ink-500); text-transform: uppercase;
}
.metric-row .v {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-900);
  font-weight: 500;
}
.metric-row .v.ok { color: var(--signal); }
.hero-card-foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--ink-100);
  display: flex; justify-content: space-between; align-items: center;
}
.hero-card-foot small {
  font-size: 11px; color: var(--ink-400); letter-spacing: 0.04em;
}

/* Decorative grid backdrop */
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11,13,20,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,13,20,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
}

/* ---------- Ticker ---------- */
.ticker {
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
  background: var(--paper-2);
  padding: 22px 0;
  overflow: hidden;
}
.ticker-track {
  display: flex; gap: 56px; align-items: center;
  white-space: nowrap;
  animation: ticker 60s linear infinite;
}
.ticker-item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  display: inline-flex; align-items: center; gap: 12px;
}
.ticker-item strong {
  color: var(--ink-900);
  font-weight: 600;
}
.ticker-item .pill {
  display: inline-block; padding: 2px 8px;
  border: 1px solid var(--ink-100);
  border-radius: 100px;
  font-size: 10px;
  color: var(--ink-500);
}
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Section ---------- */
.section {
  padding: 120px 0;
  position: relative;
}
.section.dark {
  background: var(--ink-900);
  color: var(--paper);
}
.section.dark .eyebrow { color: var(--brass-400); }
.section.dark .eyebrow::before { background: var(--brass-400); }
.section.dark h2 { color: var(--paper); }
.section.dark .section-lead { color: var(--ink-200); }

.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 64px;
  align-items: end;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4vw, 52px);
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: -0.018em;
  margin-top: 24px;
}
.section-head h2 em {
  font-style: italic;
  color: var(--brass-700);
}
.section-lead {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-500);
}

/* ---------- Services grid ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--ink-100);
}
.service {
  background: var(--paper-2);
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transition: background .25s;
}
.service:hover { background: #fcfbf6; }
.service-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brass-500);
  letter-spacing: 0.1em;
}
.service h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.service p {
  color: var(--ink-500);
  font-size: 14.5px;
  line-height: 1.65;
}
.service-foot {
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid var(--ink-100);
  display: flex; justify-content: space-between; align-items: center;
}
.service-foot .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
}

/* ---------- Stats block (dark) ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 56px;
}
.stat-item {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.stat-num sup {
  font-size: 22px;
  color: var(--brass-400);
  vertical-align: top;
  margin-left: 6px;
}
.stat-lbl {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-300);
}

/* ---------- Infrastructure / About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.about-side {
  position: sticky; top: 100px;
}
.about-side .eyebrow { margin-bottom: 24px; }
.about-side h2 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 3.6vw, 48px);
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: -0.018em;
}
.about-content > * + * { margin-top: 28px; }
.about-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-500);
}
.about-content p strong { color: var(--ink-900); font-weight: 500; }

.okved-table {
  margin-top: 40px;
  width: 100%;
  border-top: 1px solid var(--ink-100);
}
.okved-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ink-100);
  align-items: center;
}
.okved-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brass-700);
  letter-spacing: 0.04em;
}
.okved-name {
  font-size: 14.5px;
  color: var(--ink-700);
}
.okved-tag {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-500);
  border: 1px solid var(--ink-100);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ---------- Process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 20px; left: 0; right: 0;
  height: 1px;
  background: var(--ink-100);
}
.process-step { position: relative; padding-top: 56px; }
.process-step::before {
  content: '';
  position: absolute;
  top: 14px; left: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink-900);
}
.process-step.active::before {
  background: var(--brass-400);
  border-color: var(--brass-400);
}
.process-step .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brass-500);
  margin-bottom: 12px;
}
.process-step h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.process-step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-500);
}

/* ---------- CTA band ---------- */
.cta-band {
  padding: 100px 0;
  background: linear-gradient(135deg, #0a0d14 0%, #1a2030 100%);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,165,95,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,165,95,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}
.cta-band .container {
  position: relative;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px;
  align-items: center;
}
.cta-band h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.06;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.cta-band h2 em {
  font-style: italic; color: var(--brass-400);
}
.cta-band p {
  margin-top: 24px;
  font-size: 16px;
  color: var(--ink-200);
  line-height: 1.6;
  max-width: 540px;
}
.cta-actions {
  display: flex; flex-direction: column; gap: 14px;
}
.cta-band .btn-primary {
  background: var(--brass-400);
  color: var(--ink-900);
}
.cta-band .btn-primary:hover { background: var(--brass-200); }
.cta-band .btn-ghost {
  color: var(--paper);
  border-color: rgba(255,255,255,0.18);
}
.cta-band .btn-ghost:hover { border-color: var(--brass-400); color: var(--brass-400); }

/* ---------- Footer ---------- */
.footer {
  background: var(--paper-2);
  border-top: 1px solid var(--ink-100);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}
.footer h5 {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer ul { list-style: none; }
.footer li {
  font-size: 13.5px;
  padding: 7px 0;
  color: var(--ink-700);
}
.footer a:hover { color: var(--brass-700); }
.footer-brand { font-size: 13.5px; line-height: 1.7; color: var(--ink-500); margin-top: 16px; }
.footer-legal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-400);
  border-top: 1px solid var(--ink-100);
  padding-top: 28px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  letter-spacing: 0.04em;
}

/* ---------- Forms ---------- */
.form-card {
  background: var(--paper-2);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 56px;
}
.form-row {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  margin-bottom: 24px;
}
.form-row.full { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-500);
  font-weight: 500;
}
.field input, .field select, .field textarea {
  border: none;
  border-bottom: 1px solid var(--ink-200);
  background: transparent;
  padding: 14px 0 12px;
  font-size: 15px;
  color: var(--ink-900);
  transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--ink-900);
}
.field textarea {
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
}
.field .hint {
  font-size: 12px;
  color: var(--ink-400);
  margin-top: 4px;
}
.checkbox-row {
  display: flex; gap: 14px; align-items: flex-start;
  margin: 28px 0;
}
.checkbox-row input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  accent-color: var(--ink-900);
  flex-shrink: 0;
}
.checkbox-row label {
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
}
.checkbox-row label a { color: var(--ink-900); border-bottom: 1px solid var(--ink-200); }

.form-success {
  text-align: center;
  padding: 64px 24px;
}
.form-success .mark {
  width: 56px; height: 56px;
  border: 1px solid var(--brass-400);
  border-radius: 50%;
  margin: 0 auto 24px;
  display: grid; place-items: center;
  color: var(--brass-500);
  font-size: 22px;
}
.form-success h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 12px;
}
.form-success p {
  color: var(--ink-500);
  max-width: 460px;
  margin: 0 auto;
}
.form-success .ticket {
  margin-top: 28px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-700);
  padding: 10px 18px;
  border: 1px dashed var(--ink-200);
  border-radius: 4px;
  letter-spacing: 0.06em;
}

/* ---------- Auth page ---------- */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.auth-aside {
  background: var(--ink-900);
  color: var(--paper);
  padding: 48px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.auth-aside::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,165,95,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,165,95,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top right, black, transparent 70%);
}
.auth-aside .brand { position: relative; z-index: 1; }
.auth-aside .brand-name { color: var(--paper); }
.auth-aside .brand-mark { border-color: var(--paper); }
.auth-aside .brand-mark::before, .auth-aside .brand-mark::after { background: var(--paper); }
.auth-quote {
  position: relative; z-index: 1;
  max-width: 460px;
}
.auth-quote .eyebrow { color: var(--brass-400); }
.auth-quote .eyebrow::before { background: var(--brass-400); }
.auth-quote h2 {
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin-top: 20px;
}
.auth-quote h2 em { color: var(--brass-400); font-style: italic; }
.auth-aside-foot {
  position: relative; z-index: 1;
  display: flex; gap: 36px;
  font-size: 12px; color: var(--ink-300); letter-spacing: 0.04em;
}
.auth-aside-foot strong { color: var(--paper); display: block; font-weight: 500; margin-bottom: 4px; }

.auth-main {
  display: flex; align-items: center; justify-content: center;
  padding: 48px;
}
.auth-card { width: 100%; max-width: 420px; }
.auth-card h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 16px 0 12px;
}
.auth-card .sub {
  color: var(--ink-500);
  font-size: 15px;
  margin-bottom: 40px;
}
.auth-extras {
  display: flex; justify-content: space-between;
  margin: 20px 0 28px;
  font-size: 12.5px;
}
.auth-extras a { color: var(--ink-500); }
.auth-extras a:hover { color: var(--brass-700); }
.auth-alt {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--ink-100);
  text-align: center;
  font-size: 13px;
  color: var(--ink-500);
}
.auth-alt a {
  color: var(--ink-900);
  font-weight: 500;
  border-bottom: 1px solid var(--ink-200);
  padding-bottom: 2px;
}

/* ---------- Page header (subpages) ---------- */
.page-hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--ink-100);
  background: var(--paper-2);
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-top: 20px;
}
.page-hero .lead {
  margin-top: 24px;
  max-width: 580px;
  font-size: 17px;
  color: var(--ink-500);
  line-height: 1.6;
}
.breadcrumbs {
  display: flex; gap: 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 24px;
}
.breadcrumbs a { color: var(--ink-500); }
.breadcrumbs a:hover { color: var(--ink-900); }

.apply-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: start;
}
.apply-aside {
  position: sticky; top: 100px;
  background: var(--paper-2);
  border: 1px solid var(--ink-100);
  padding: 36px;
  border-radius: var(--radius-md);
}
.apply-aside h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 8px;
}
.apply-aside p {
  font-size: 14px; color: var(--ink-500);
  margin-bottom: 28px;
}
.apply-aside-list { list-style: none; }
.apply-aside-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid var(--ink-100);
  font-size: 13.5px;
  color: var(--ink-700);
}
.apply-aside-list li::before {
  content: ''; flex-shrink: 0;
  width: 14px; height: 1px; background: var(--brass-400);
  margin-top: 10px;
}
.apply-aside .contact {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--ink-100);
}
.apply-aside .contact .lbl {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 6px;
}
.apply-aside .contact .val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--ink-900);
}
.apply-aside .contact .row + .row { margin-top: 14px; }

/* ============================================================
   PART 2 — B2B Commercial layers (added after redesign)
   ============================================================ */

/* ---------- Hero accent badge ---------- */
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 8px;
  background: var(--paper-2);
  border: 1px solid var(--ink-100);
  border-radius: 100px;
  font-size: 12px;
  color: var(--ink-700);
  margin-bottom: 28px;
  box-shadow: var(--shadow-soft);
}
.hero-badge .chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--ink-900); color: var(--paper);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-badge .chip::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brass-400);
}

/* ---------- Clients strip ---------- */
.clients {
  padding: 36px 0 32px;
  background: var(--paper-2);
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
}
.clients-head {
  text-align: center;
  margin-bottom: 28px;
}
.clients-head .lbl {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.clients-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 24px;
  align-items: center;
}
.client-logo {
  height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--ink-100);
  border-radius: 6px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
  background: var(--paper);
  text-transform: uppercase;
  transition: color .2s, border-color .2s;
}
.client-logo:hover { color: var(--ink-900); border-color: var(--ink-200); }
.client-logo small {
  font-family: var(--font-mono);
  font-size: 9px;
  margin-left: 4px;
  letter-spacing: 0.05em;
  color: var(--ink-300);
}

/* ---------- Big stats hero block ---------- */
.bigstats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--ink-100);
  margin-top: 64px;
}
.bigstat {
  background: var(--paper-2);
  padding: 36px 28px;
}
.bigstat .num {
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.bigstat .num sup {
  font-size: 16px; color: var(--brass-400); vertical-align: top;
}
.bigstat .lbl {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* ---------- Products grid (10 products) ---------- */
.products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--ink-100);
}
.product {
  background: var(--paper-2);
  padding: 40px 40px 36px;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  position: relative;
  transition: background .2s;
}
.product:hover { background: #fcfbf6; }
.product:hover .product-arrow { transform: translate(4px, -4px); }
.product-icon {
  width: 84px; height: 84px;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.product-icon svg { width: 44px; height: 44px; }
.product-icon::after {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(11,13,20,.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(11,13,20,.025) 1px, transparent 1px);
  background-size: 12px 12px;
  pointer-events: none;
}
.product-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.product-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.product-name small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--brass-500);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.product-arrow {
  width: 28px; height: 28px;
  border: 1px solid var(--ink-200);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 13px;
  color: var(--ink-500);
  transition: transform .2s;
  flex-shrink: 0;
}
.product-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-500);
  margin-bottom: 16px;
}
.product-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 14px;
}
.product-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  padding: 3px 8px;
  border: 1px solid var(--ink-100);
  border-radius: 100px;
  background: var(--paper);
}
.product-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
  padding-top: 12px;
  border-top: 1px dashed var(--ink-100);
  display: flex; justify-content: space-between;
}
.product-meta strong { color: var(--ink-900); font-weight: 500; }

/* ---------- Architecture diagram block ---------- */
.diagram-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.diagram-card {
  background: var(--paper-2);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.diagram-card-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink-100);
  margin-bottom: 24px;
}
.diagram-card-head .tag {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.diagram-card-head .v {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-400);
}
.diagram-svg {
  width: 100%;
  height: auto;
  display: block;
}
.diagram-legend {
  display: flex; flex-wrap: wrap; gap: 16px 24px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-100);
}
.legend-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px;
  color: var(--ink-500);
}
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.legend-dot.gw  { background: var(--brass-400); }
.legend-dot.svc { background: var(--ink-900); }
.legend-dot.user{ background: var(--signal); border: 2px solid var(--paper); box-shadow: 0 0 0 1px var(--signal); }
.legend-dot.ext { background: transparent; border: 1.5px dashed var(--ink-300); }

/* ---------- Terminal / code block ---------- */
.terminal {
  background: #0b0d14;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-pop);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: #c8cdd9;
}
.terminal-head {
  background: #11151f;
  padding: 12px 18px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal-head .dots {
  display: flex; gap: 6px;
}
.terminal-head .dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.terminal-head .name {
  font-size: 11px; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.45);
}
.terminal-body {
  padding: 22px 24px;
  background:
    linear-gradient(180deg, rgba(201,165,95,0.03), transparent 40%),
    #0b0d14;
}
.terminal-body .prompt { color: var(--brass-400); }
.terminal-body .ok { color: #84d2a8; }
.terminal-body .muted { color: rgba(255,255,255,0.4); }
.terminal-body .key { color: #aab8ff; }
.terminal-body .str { color: #e8d6a8; }
.terminal-body span.line-num {
  display: inline-block;
  width: 24px;
  color: rgba(255,255,255,0.2);
  font-size: 11px;
}

/* ---------- Cases (testimonials) ---------- */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--ink-100);
}
.case {
  background: var(--paper-2);
  padding: 36px;
  display: flex; flex-direction: column; gap: 20px;
}
.case-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink-100);
}
.case-head .sector {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
  text-transform: uppercase;
}
.case-head .scale {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass-500);
}
.case-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink-900);
  letter-spacing: -0.005em;
  flex: 1;
}
.case-author {
  display: flex; align-items: center; gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--ink-100);
}
.case-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--paper);
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
}
.case-author .name {
  font-size: 13px; font-weight: 500;
}
.case-author .role {
  font-size: 11.5px;
  color: var(--ink-500);
  margin-top: 2px;
}
.case-metric {
  display: flex; gap: 24px;
  padding-top: 14px;
  border-top: 1px dashed var(--ink-100);
}
.case-metric-item .num {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--brass-700);
  font-weight: 400;
}
.case-metric-item .lbl {
  font-size: 10.5px;
  color: var(--ink-500);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---------- Tech stack ---------- */
.tech-stack {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--ink-100);
}
.tech {
  background: var(--paper-2);
  padding: 22px 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-700);
  letter-spacing: 0.04em;
  transition: background .2s, color .2s;
}
.tech:hover { background: #fcfbf6; color: var(--ink-900); }
.tech .l1 { font-weight: 500; }
.tech .l2 {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
}

/* ---------- Compliance bar ---------- */
.compliance {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px;
  background: var(--paper-2);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-md);
}
.comp-item {
  display: flex; gap: 16px; align-items: center;
}
.comp-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--brass-200);
  background: var(--brass-50);
  display: grid; place-items: center;
  color: var(--brass-700);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 500;
  flex-shrink: 0;
}
.comp-text .t {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-900);
}
.comp-text .s {
  font-size: 11.5px;
  color: var(--ink-500);
  margin-top: 2px;
  letter-spacing: 0.02em;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(10,13,20,0.55);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 200;
  padding: 24px;
  animation: fadeIn .2s ease;
}
.modal-backdrop.show { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--paper-2);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 460px;
  padding: 40px;
  box-shadow: var(--shadow-pop);
  position: relative;
  animation: slideUp .3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.modal-close {
  position: absolute; top: 18px; right: 18px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--ink-500);
  font-size: 18px;
  transition: background .2s, color .2s;
}
.modal-close:hover { background: var(--ink-50); color: var(--ink-900); }
.modal h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 12px 0 8px;
}
.modal .modal-sub {
  font-size: 14px;
  color: var(--ink-500);
  margin-bottom: 28px;
}
.modal .form-row { margin-bottom: 20px; }
.modal-foot {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-100);
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-500);
}
.modal-status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.5;
}
.modal-status.show { display: block; }
.modal-status.error {
  background: #fdf4f0;
  border: 1px solid #f3d2c2;
  color: var(--danger);
}
.modal-status.info {
  background: var(--paper);
  border: 1px solid var(--ink-100);
  color: var(--ink-700);
}

/* ---------- Section with bg accent ---------- */
.section.tinted {
  background: var(--paper-2);
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
}

/* ---------- Stack diagram (vertical layered) ---------- */
.stack-layers {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.stack-layer {
  background: var(--paper-2);
  padding: 18px 28px;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 20px;
  align-items: center;
  transition: background .2s;
}
.stack-layer:hover { background: #fcfbf6; }
.stack-layer .lvl {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass-500);
  letter-spacing: 0.08em;
}
.stack-layer .lname {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-900);
}
.stack-layer .lname small {
  display: block;
  font-weight: 400;
  font-size: 12px;
  color: var(--ink-500);
  margin-top: 2px;
}
.stack-layer .ltech {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid, .section-head, .about-grid, .cta-band .container,
  .diagram-section { grid-template-columns: 1fr; gap: 48px; }
  .services, .products { grid-template-columns: 1fr; }
  .stats, .bigstats { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .bigstats { gap: 1px; }
  .process { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .apply-layout { grid-template-columns: 1fr; }
  .apply-aside { position: static; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { padding: 32px; min-height: 280px; }
  .auth-aside-foot { display: none; }
  .clients-row { grid-template-columns: repeat(4, 1fr); }
  .cases { grid-template-columns: 1fr; }
  .tech-stack { grid-template-columns: repeat(3, 1fr); }
  .compliance { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .nav { display: none; }
  .statusbar-left .ipv { display: none; }
  .hero { padding: 56px 0 48px; }
  .hero-meta { grid-template-columns: 1fr 1fr; gap: 20px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 40px; }
  .service { padding: 32px 24px; }
  .stats, .bigstats { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .cta-band { padding: 64px 0; }
  .form-card { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; gap: 18px; }
  .auth-main { padding: 32px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer { padding: 56px 0 24px; }
  .header .container { height: 64px; }
  .brand-name { font-size: 18px; }
  .header-cta .btn-ghost { display: none; }
  .clients-row { grid-template-columns: repeat(2, 1fr); }
  .product { grid-template-columns: 1fr; padding: 28px 24px; }
  .product-icon { width: 64px; height: 64px; }
  .product-icon svg { width: 32px; height: 32px; }
  .tech-stack { grid-template-columns: repeat(2, 1fr); }
  .compliance { grid-template-columns: 1fr; padding: 24px; }
  .modal { padding: 28px 24px; }
  .stack-layer { grid-template-columns: 1fr; gap: 6px; padding: 16px 22px; }
}