/* ============================================================
   Документатор — umbrella главная dokumentator.tech
   Концепция: издательский дом · газетная masthead-эстетика
   Brand system наследует из /kp/ + расширяет «масштабом издания»
   by bvmax (ООО БВМ)
   ============================================================ */

:root {
  /* Ink palette */
  --ink-900: #0E1B2E;
  --ink-800: #1A2A4A;
  --ink-700: #243657;
  --paper: #FAFAF7;
  --paper-pure: #FFFFFF;
  --paper-cream: #F5F1E8;

  /* Graphite */
  --graphite-900: #1F2937;
  --graphite-700: #374151;
  --graphite-500: #6B7280;
  --graphite-400: #9CA3AF;
  --graphite-300: #D1D5DB;
  --graphite-200: #E5E7EB;
  --graphite-100: #F3F4F6;
  --graphite-50:  #F9FAFB;

  /* Indigo (primary CTA) */
  --indigo-900: #312E81;
  --indigo-800: #3730A3;
  --indigo-700: #4338CA;
  --indigo-600: #4F46E5;
  --indigo-500: #6366F1;
  --indigo-100: #E0E7FF;
  --indigo-50:  #EEF2FF;

  /* Amber (money/numbers accent) */
  --amber-900: #78350F;
  --amber-700: #B45309;
  --amber-500: #F59E0B;
  --amber-200: #FDE68A;
  --amber-100: #FEF3C7;
  --amber-50:  #FFFBEB;

  /* Status */
  --success: #15803D;
  --warning: #B45309;
  --error: #B91C1C;

  /* Typography */
  --font-display: "Manrope", 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, "SF Mono", Menlo, monospace;

  /* Spacing */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px;
  --s-14: 56px; --s-16: 64px; --s-20: 80px; --s-24: 96px; --s-32: 128px;

  /* Layout */
  --max-w: 1200px;
  --max-w-narrow: 880px;
  --max-w-prose: 680px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-sm: 4px;
  --hairline: 1px solid var(--graphite-200);
  --hairline-strong: 1px solid var(--graphite-300);
  --hairline-ink: 1px solid var(--ink-900);

  --shadow-paper: 0 0 0 1px var(--graphite-200), 0 1px 0 rgba(14, 27, 46, 0.02), 0 8px 28px rgba(14, 27, 46, 0.08);
  --shadow-paper-lifted: 0 0 0 1px var(--graphite-200), 0 12px 32px rgba(14, 27, 46, 0.14);
}

/* ============================================================
   Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--graphite-900);
  background: var(--paper);
  font-feature-settings: "ss01", "cv02", "cv11", "tnum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a {
  color: var(--indigo-800);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--indigo-700); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--indigo-600);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--indigo-700);
  width: 0;
  z-index: 100;
  transition: width .08s linear;
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 var(--s-4);
}
h1 {
  font-size: clamp(40px, 5.6vw, 76px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
}
h2 {
  font-size: clamp(28px, 3.6vw, 48px);
  letter-spacing: -0.025em;
}
h3 { font-size: clamp(20px, 2.2vw, 28px); font-weight: 700; }
h4 { font-size: 18px; font-weight: 600; }
p { margin: 0 0 var(--s-4); }
.lead {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--graphite-700);
  line-height: 1.5;
  max-width: 56ch;
}
code, .mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  font-feature-settings: "ss01", "zero";
}

/* Eyebrow — § маркер главы */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin: 0 0 var(--s-5);
}
.eyebrow::before {
  content: "§";
  font-weight: 700;
  color: var(--amber-700);
}

/* Highlights */
.hl-money {
  font-family: var(--font-mono);
  background: linear-gradient(180deg, transparent 60%, var(--amber-100) 60%);
  padding: 0 .15em;
  color: var(--ink-900);
  font-weight: 600;
  white-space: nowrap;
}
.hl-ink {
  background: linear-gradient(180deg, transparent 62%, var(--indigo-100) 62%);
  padding: 0 .12em;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.section { padding: var(--s-20) 0; position: relative; }
.section--tight { padding: var(--s-12) 0; }
.section--hairline { border-top: var(--hairline); }
.section--ink {
  background: var(--ink-900);
  color: var(--paper);
}
.section--ink h2, .section--ink h3, .section--ink h4 { color: var(--paper); }
.section--ink .lead { color: rgba(250, 250, 247, 0.78); }
.section--ink .eyebrow { color: rgba(250, 250, 247, 0.55); }
.section--ink .eyebrow::before { color: var(--amber-500); }
.section--cream { background: var(--paper-cream); }

.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-bottom: var(--s-12);
  max-width: 760px;
}

@media (max-width: 880px) {
  .section { padding: var(--s-14) 0; }
  .section__head { margin-bottom: var(--s-10); }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .18s cubic-bezier(.4,.0,.2,1);
  white-space: nowrap;
  text-decoration: none;
}
.btn--primary {
  background: var(--indigo-700);
  color: var(--paper-pure);
}
.btn--primary:hover {
  background: var(--indigo-800);
  color: var(--paper-pure);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(67, 56, 202, 0.32);
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--graphite-300);
}
.btn--ghost:hover {
  background: var(--paper-pure);
  border-color: var(--ink-900);
  color: var(--ink-900);
  text-decoration: none;
}
.btn--lg { padding: 18px 32px; font-size: 18px; }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--block { width: 100%; justify-content: center; }
.btn-arrow::after {
  content: "→";
  margin-left: var(--s-1);
  transition: transform .15s ease;
  font-family: var(--font-mono);
}
.btn:hover .btn-arrow::after { transform: translateX(4px); }
.nav a.btn--primary { color: #FFFFFF !important; }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: var(--hairline);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-6);
  max-width: var(--max-w);
  margin: 0 auto;
  gap: var(--s-6);
}
.brand-block {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
}
.brand-block:hover { text-decoration: none; }
.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}
.brand-by {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--graphite-500);
  text-transform: lowercase;
  border-left: var(--hairline);
  padding-left: var(--s-3);
  margin-left: var(--s-1);
}
.brand-by strong { color: var(--ink-900); font-weight: 700; }

.nav { display: flex; align-items: center; gap: var(--s-6); }
.nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--s-6);
}
.nav__list a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14.5px;
  color: var(--graphite-700);
  position: relative;
  padding: 4px 0;
}
.nav__list a:hover {
  color: var(--ink-900);
  text-decoration: none;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink-900);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}
.nav__list a:hover::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  background: transparent;
  border: var(--hairline);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink-900);
  margin: 4px 0;
}

@media (max-width: 960px) {
  .nav__list, .nav__cta { display: none; }
  .nav__toggle { display: inline-block; }
  .nav.is-open {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: var(--hairline);
    padding: var(--s-6);
    flex-direction: column; align-items: stretch;
  }
  .nav.is-open .nav__list { display: flex; flex-direction: column; gap: var(--s-3); }
  .nav.is-open .nav__cta { display: inline-flex; margin-top: var(--s-3); }
}

/* ============================================================
   1. HERO / Masthead
   ============================================================ */
.um-hero {
  padding: var(--s-12) 0 var(--s-20);
  position: relative;
  overflow: hidden;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.um-hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--s-16);
  align-items: center;
}

.um-hero__nameplate {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(64px, 10vw, 144px);
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: var(--ink-900);
  margin: 0 0 var(--s-3);
  display: block;
}

.um-hero__title {
  margin: 0 0 var(--s-6);
  font-size: clamp(32px, 4.6vw, 56px);
  letter-spacing: -0.03em;
  line-height: 1.06;
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 700;
}
.um-hero__title em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 64%, var(--amber-100) 64%);
  padding: 0 .12em;
}

.um-hero__lead {
  font-size: clamp(16px, 1.4vw, 18.5px);
  color: var(--graphite-700);
  line-height: 1.55;
  max-width: 54ch;
  margin: 0 0 var(--s-8);
}

.um-hero__cta {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-bottom: var(--s-6);
}

.um-hero__trust {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite-500);
  flex-wrap: wrap;
}
.um-hero__trust span { display: inline-flex; align-items: center; gap: var(--s-2); }
.um-hero__trust span::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  font-family: var(--font-body);
}
.um-hero__trust .sep { width: 1px; height: 12px; background: var(--graphite-300); }
.um-hero__trust .sep::before { display: none; }

/* Hero video placeholder */
.um-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.um-hero__video {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--graphite-50);
  border: 2px dashed var(--graphite-300);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-4);
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.um-hero__video:hover {
  border-color: var(--indigo-500);
  background: var(--indigo-50);
}
.um-hero__video-play {
  color: var(--graphite-400);
  transition: color .2s ease;
}
.um-hero__video:hover .um-hero__video-play {
  color: var(--indigo-600);
}
.um-hero__video-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--graphite-500);
  letter-spacing: 0.04em;
  margin: 0;
}

@media (max-width: 960px) {
  .um-hero__inner { grid-template-columns: 1fr; gap: var(--s-12); }
  .um-hero__video { margin: 0 auto; max-width: 420px; }
}
@media (max-width: 600px) {
  .um-hero { padding: var(--s-8) 0 var(--s-12); }
  .um-hero__cta .btn { flex: 1 1 100%; justify-content: center; }
}

/* ============================================================
   2. TRUST ROW
   ============================================================ */
.um-trust {
  border-top: var(--hairline);
  border-bottom: var(--hairline);
  padding: var(--s-6) 0;
  background: var(--paper);
}
.um-trust__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-6);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--graphite-700);
}
.um-trust__label {
  color: var(--graphite-500);
  font-size: 11px;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.um-trust__items {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  flex-wrap: wrap;
}
.um-trust__item {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}
.um-trust__item + .um-trust__item::before {
  content: "/";
  color: var(--graphite-300);
  margin-right: var(--s-3);
  font-weight: 400;
}

/* ============================================================
   3. TWO PRODUCTS — newspaper spread
   ============================================================ */
.um-products__spread {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: stretch;
  margin-top: var(--s-10);
  position: relative;
}
.um-products__divider {
  background: var(--graphite-200);
  position: relative;
}
.um-products__divider::before {
  content: "✦";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--paper);
  color: var(--amber-700);
  font-size: 14px;
  padding: 8px 6px;
}

.um-product {
  padding: var(--s-10) var(--s-8);
  display: flex;
  flex-direction: column;
  background: var(--paper-pure);
  transition: background .3s ease;
}
.um-product:hover { background: var(--paper-cream); }
.um-product:first-child { border-radius: var(--radius-lg) 0 0 var(--radius-lg); }
.um-product:last-child { border-radius: 0 var(--radius-lg) var(--radius-lg) 0; }

.um-product__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-700);
  margin-bottom: var(--s-4);
}
.um-product__kicker::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--amber-700);
}
.um-product__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3vw, 36px);
  margin: 0 0 var(--s-3);
  color: var(--ink-900);
  letter-spacing: -0.025em;
  line-height: 1.08;
}
.um-product__deck {
  font-size: 16px;
  color: var(--graphite-700);
  line-height: 1.5;
  margin: 0 0 var(--s-6);
}
.um-product__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  border-top: var(--hairline);
  padding-top: var(--s-5);
}
.um-product__list li {
  display: flex;
  gap: var(--s-3);
  font-size: 14.5px;
  color: var(--graphite-700);
  line-height: 1.5;
}
.um-product__list li::before {
  content: counter(li-counter, decimal-leading-zero);
  counter-increment: li-counter;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--graphite-400);
  flex-shrink: 0;
  padding-top: 2px;
  font-weight: 600;
  min-width: 22px;
}
.um-product__list { counter-reset: li-counter; }

.um-product__status {
  margin: var(--s-4) 0 var(--s-6);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--graphite-500);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.um-product__status-row {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
}
.um-product__status-label {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite-700);
  flex-shrink: 0;
  min-width: 100px;
}
.um-product__status-active {
  color: var(--ink-900);
  font-weight: 600;
}
.um-product__status-active::before {
  content: "●";
  color: var(--success);
  margin-right: 4px;
}
.um-product__status-pending {
  color: var(--graphite-500);
}

.um-product__cta {
  margin-top: auto;
  align-self: flex-start;
}

@media (max-width: 880px) {
  .um-products__spread { grid-template-columns: 1fr; }
  .um-products__divider { height: 1px; width: 100%; }
  .um-product:first-child { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .um-product:last-child { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
}

/* ============================================================
   4. ENGINE (inverted ink)
   ============================================================ */
.um-engine { padding: var(--s-20) 0; position: relative; overflow: hidden; background: var(--ink-900); color: var(--paper); }
.um-engine .eyebrow { color: rgba(250, 250, 247, 0.55); }
.um-engine .eyebrow::before { color: var(--amber-500); }
.um-engine .lead { color: rgba(250, 250, 247, 0.78); }
.um-engine::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 25%, rgba(67, 56, 202, 0.14) 0%, transparent 50%),
    radial-gradient(circle at 82% 70%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
  pointer-events: none;
}
.um-engine__inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--s-12);
  align-items: center;
  position: relative;
}
.um-engine__title {
  font-size: clamp(30px, 4.2vw, 52px);
  margin: 0 0 var(--s-6);
  letter-spacing: -0.03em;
  color: var(--paper);
}
.um-engine__title em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 62%, rgba(245, 158, 11, 0.35) 62%);
  padding: 0 .1em;
}
.um-engine__list {
  list-style: none;
  padding: 0;
  margin: var(--s-8) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.um-engine__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-4);
  align-items: start;
  border-top: 1px solid rgba(250, 250, 247, 0.12);
  padding-top: var(--s-4);
}
.um-engine__list li:first-child { border-top: none; padding-top: 0; }
.um-engine__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-500);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding-top: 4px;
  white-space: nowrap;
}
.um-engine__item-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.um-engine__item-desc {
  font-size: 14.5px;
  color: rgba(250, 250, 247, 0.7);
  line-height: 1.5;
}

.um-engine__code {
  background: rgba(14, 27, 46, 0.5);
  border: 1px solid rgba(250, 250, 247, 0.08);
  border-radius: var(--radius);
  padding: var(--s-6);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(250, 250, 247, 0.85);
  overflow-x: auto;
}
.um-engine__code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.4);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid rgba(250, 250, 247, 0.1);
}
.um-engine__code-header span:first-child { color: var(--amber-500); }
.um-engine__code pre { margin: 0; white-space: pre; font-family: inherit; }
.um-engine__code .kw { color: var(--indigo-500); }
.um-engine__code .str { color: var(--amber-200); }
.um-engine__code .com { color: rgba(250, 250, 247, 0.35); font-style: italic; }
.um-engine__code .num { color: var(--amber-500); }
.um-engine__code .fn { color: #93C5FD; }

.um-engine__install {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  margin-top: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: rgba(250, 250, 247, 0.08);
  border: 1px solid rgba(250, 250, 247, 0.12);
  border-radius: var(--radius);
}
.um-engine__install-cmd {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  font-weight: 500;
}
.um-engine__install-cmd::before { display: none; }
.um-engine__install-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber-200);
  border-bottom: 1px solid rgba(253, 230, 138, 0.3);
  padding-bottom: 1px;
  white-space: nowrap;
}
.um-engine__install-link:hover {
  color: var(--amber-100);
  border-color: var(--amber-200);
  text-decoration: none;
}

@media (max-width: 960px) {
  .um-engine__inner { grid-template-columns: 1fr; }
}

/* ============================================================
   5. ROADMAP (программа выпусков)
   ============================================================ */
.um-roadmap__schedule {
  border-top: 1.5px solid var(--ink-900);
  border-bottom: 1.5px solid var(--ink-900);
  margin-top: var(--s-10);
}
.um-roadmap__row {
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: var(--s-6);
  align-items: baseline;
  padding: var(--s-5) 0;
  border-bottom: var(--hairline);
  transition: background .2s ease;
}
.um-roadmap__row:last-child { border-bottom: none; }
.um-roadmap__row:hover { background: var(--paper-cream); }

.um-roadmap__date {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-900);
}
.um-roadmap__date .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--graphite-300);
  border-radius: 50%;
}
.um-roadmap__row--shipped .um-roadmap__date .dot { background: var(--success); }
.um-roadmap__row--current .um-roadmap__date .dot { background: var(--amber-500); animation: pulse 2.4s ease-out infinite; }

.um-roadmap__items {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  flex-wrap: wrap;
}
.um-roadmap__item {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}
.um-roadmap__item + .um-roadmap__item::before {
  content: "·";
  color: var(--graphite-400);
  margin-right: var(--s-2);
  font-weight: 400;
}
.um-roadmap__item-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--graphite-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  background: var(--graphite-100);
  border-radius: 3px;
  margin-left: 4px;
}
.um-roadmap__item-note--ready {
  background: var(--amber-100);
  color: var(--amber-700);
}
.um-roadmap__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite-500);
}

@media (max-width: 720px) {
  .um-roadmap__row { grid-template-columns: 1fr; gap: var(--s-2); padding: var(--s-4) 0; }
  .um-roadmap__tag { justify-self: start; }
}

/* ============================================================
   6. OPEN SOURCE
   ============================================================ */
.um-os__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--s-10);
  align-items: start;
  margin-top: var(--s-10);
}
.um-os__packages {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.um-pkg {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--s-4);
  align-items: baseline;
  padding: var(--s-5);
  background: var(--paper-pure);
  border: var(--hairline);
  border-radius: var(--radius);
  transition: border-color .2s ease, transform .2s ease;
}
.um-pkg:hover {
  border-color: var(--graphite-300);
  transform: translateY(-1px);
}
.um-pkg__id {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--amber-700);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.um-pkg__body {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.um-pkg__name {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}
.um-pkg__desc {
  font-size: 13.5px;
  color: var(--graphite-700);
  line-height: 1.4;
  margin: 0;
}
.um-pkg__cmd {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--ink-900);
  color: var(--paper);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  position: relative;
}
.um-pkg__cmd::before {
  content: "$";
  color: var(--amber-500);
  margin-right: 6px;
  font-weight: 600;
}
.um-pkg--pending {
  opacity: 0.55;
}
.um-pkg--pending .um-pkg__cmd {
  background: var(--graphite-100);
  color: var(--graphite-500);
}
.um-pkg--pending .um-pkg__cmd::before { color: var(--graphite-400); }

.um-trust-box {
  background: var(--paper-cream);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-6);
}
.um-trust-box__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin: 0 0 var(--s-4);
}
.um-trust-box dl {
  margin: 0 0 var(--s-4);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-2) var(--s-4);
  font-size: 14px;
}
.um-trust-box dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--graphite-500);
  padding-top: 2px;
}
.um-trust-box dd {
  margin: 0;
  color: var(--ink-900);
  font-weight: 500;
}
.um-trust-box dd a { color: var(--ink-900); border-bottom: 1px solid var(--graphite-300); }
.um-trust-box dd a:hover { border-color: var(--ink-900); text-decoration: none; }

.um-trust-box__link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-900);
  border-bottom: 1px solid var(--graphite-300);
  padding-bottom: 2px;
}
.um-trust-box__link::after {
  content: "→";
  transition: transform .15s ease;
}
.um-trust-box__link:hover {
  text-decoration: none;
  border-color: var(--ink-900);
  color: var(--indigo-700);
}
.um-trust-box__link:hover::after { transform: translateX(3px); }

@media (max-width: 880px) {
  .um-os__inner { grid-template-columns: 1fr; }
}

/* ============================================================
   7. FINAL CTA
   ============================================================ */
.um-final {
  padding: var(--s-24) 0 var(--s-20);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, var(--indigo-50) 0%, transparent 60%),
    var(--paper);
  border-top: var(--hairline);
}
.um-final__title {
  font-size: clamp(32px, 4.6vw, 60px);
  max-width: 18ch;
  margin: 0 auto var(--s-5);
  letter-spacing: -0.03em;
}
.um-final__lead {
  max-width: 56ch;
  margin: 0 auto var(--s-10);
  font-size: 17px;
  color: var(--graphite-700);
}

.um-final__choice {
  display: flex;
  gap: var(--s-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--s-10);
}
.um-final__choice .btn { min-width: 240px; justify-content: center; }

.um-final__hint {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite-500);
  letter-spacing: 0.04em;
  margin-bottom: var(--s-10);
}
.um-final__hint::before, .um-final__hint::after {
  content: "";
  width: 32px; height: 1px;
  background: var(--graphite-300);
}

.um-final__form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  gap: var(--s-2);
  border: 1.5px solid var(--ink-900);
  border-radius: var(--radius);
  padding: 6px;
  background: var(--paper-pure);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.um-final__form:focus-within {
  border-color: var(--indigo-700);
  box-shadow: 0 0 0 4px var(--indigo-100);
}
.um-final__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink-900);
  outline: none;
}
.um-final__input::placeholder { color: var(--graphite-400); }
.um-final__submit {
  border: none;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s ease;
}
.um-final__submit:hover { background: var(--indigo-800); }
.um-final__status {
  min-height: 24px;
  margin-top: var(--s-3);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--success);
}
.um-final__status.is-error { color: var(--error); }

@media (max-width: 600px) {
  .um-final__form { flex-direction: column; }
  .um-final__choice .btn { width: 100%; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink-900);
  color: rgba(250, 250, 247, 0.8);
  padding: var(--s-16) 0 var(--s-10);
  font-size: 14px;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--s-10);
  padding-bottom: var(--s-10);
  border-bottom: 1px solid rgba(250, 250, 247, 0.12);
}
.site-footer__brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  color: var(--paper);
  margin-bottom: var(--s-3);
  letter-spacing: -0.025em;
}
.site-footer__tagline {
  font-size: 14px;
  color: rgba(250, 250, 247, 0.6);
  line-height: 1.5;
  margin-bottom: var(--s-4);
  max-width: 36ch;
}
.site-footer__by {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(250, 250, 247, 0.5);
  letter-spacing: 0.06em;
}
.site-footer__by strong { color: var(--paper); font-weight: 700; }
.site-footer__col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.5);
  margin: 0 0 var(--s-4);
  font-weight: 600;
}
.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.site-footer__list a {
  color: rgba(250, 250, 247, 0.78);
  font-size: 14px;
}
.site-footer__list a:hover { color: var(--paper); text-decoration: none; }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3);
  padding-top: var(--s-6);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(250, 250, 247, 0.5);
  letter-spacing: 0.04em;
}
.site-footer__bottom a {
  color: rgba(250, 250, 247, 0.65);
  border-bottom: 1px solid rgba(250, 250, 247, 0.2);
}

@media (max-width: 880px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer__top { grid-template-columns: 1fr; }
}

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal--delay-1 { transition-delay: .08s; }
.reveal--delay-2 { transition-delay: .16s; }
.reveal--delay-3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}