/* ==========================================================================
   Tranpure — V1 design system
   Dark industrial / technical. Accent used for CTAs, data and icons only.
   Breakpoints: mobile < 768 | tablet 768–1199 | desktop >= 1200
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --bg: #0A0E1A;
  --bg-2: #131A2B;
  --bg-3: #0D1322;
  --text: #F5F7FA;
  --muted: #8B95A8;
  --accent: #00D4AA;
  --accent-ink: #04140F;
  --blue: #3B82F6;
  --line: #1E2740;
  --line-strong: #2A3552;

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --radius: 4px;
  --header-h: 72px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.125rem;
  --step-2: clamp(1.25rem, 1.6vw, 1.375rem);
  --step-3: clamp(1.5rem, 2.2vw, 1.875rem);
  --h2: clamp(1.75rem, 3.2vw, 2.625rem);
  --h1: clamp(2.25rem, 5vw, 4rem);

  --section-y: clamp(56px, 7.5vw, 104px);
}

/* 2. Reset ----------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4, p, figure, blockquote, ul, ol { margin: 0; }
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 { font-size: var(--h1); line-height: 1.06; letter-spacing: -0.03em; }
h2 { font-size: var(--h2); }
h3 { font-size: var(--step-2); line-height: 1.3; letter-spacing: -0.01em; }

ul, ol { padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* 3. Layout ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(40px, 5.5vw, 72px); }
.section--alt {
  background: var(--bg-3);
  border-block: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: 16px;
  max-width: 760px;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.section-head--wide { max-width: 880px; }

.lede {
  color: var(--muted);
  font-size: var(--step-1);
  max-width: 66ch;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.accent { color: var(--accent); }
.muted { color: var(--muted); }

[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

.skip-link {
  position: absolute;
  inset-inline-start: 12px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  border-radius: var(--radius);
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

/* 4. Buttons & links ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-align: center;
  transition: background-color 0.18s ease, border-color 0.18s ease,
    color 0.18s ease;
}
.btn .icon { width: 18px; height: 18px; flex: none; }

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--primary:hover { background: #2BE7C2; }

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--quiet { color: var(--text); padding-inline: 0; min-height: 44px; }
.btn--quiet:hover { color: var(--accent); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.arrow-link .icon {
  width: 16px;
  height: 16px;
  transition: transform 0.18s ease;
}
.arrow-link:hover .icon { transform: translateX(3px); }

.text-link {
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.18s ease, color 0.18s ease;
}
.text-link:hover { color: var(--accent); border-color: var(--accent); }

.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 5. Header ---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  padding-block: 8px;
}
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__text {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1;
}
.brand__text span { color: var(--accent); }

.header-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
  margin-inline-start: auto;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding-block: 26px;
  color: #C7CEDB;
  font-size: 0.9375rem;
  white-space: nowrap;
  transition: color 0.18s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 18px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--text); }

.header-cta { flex: none; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-inline-start: auto;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
}
.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 5px; }
.nav-toggle__bars span:nth-child(3) { top: 10px; }
.site-header.is-open .nav-toggle__bars span:nth-child(1) {
  top: 5px;
  transform: rotate(45deg);
}
.site-header.is-open .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.site-header.is-open .nav-toggle__bars span:nth-child(3) {
  top: 5px;
  transform: rotate(-45deg);
}

/* 6. Hero ------------------------------------------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.42;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 82% 18%, rgba(0, 212, 170, 0.14), transparent 62%),
    linear-gradient(180deg, rgba(10, 14, 26, 0.55) 0%, rgba(10, 14, 26, 0.88) 62%, #0A0E1A 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: end;
  padding-block: clamp(72px, 11vw, 140px) clamp(48px, 7vw, 88px);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero__eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero h1 { max-width: 17ch; }

.hero__sub {
  margin-top: 24px;
  max-width: 58ch;
  color: #B9C2D4;
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(245, 247, 250, 0.12);
  color: var(--muted);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
}
.hero__facts li { display: flex; align-items: center; gap: 20px; }
.hero__facts li + li::before {
  content: "";
  width: 3px;
  height: 3px;
  background: var(--line-strong);
  border-radius: 50%;
}

.hero__panel {
  display: none;
  border-left: 1px solid var(--line-strong);
  padding-left: clamp(24px, 3vw, 40px);
}
.hero__panel-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 16px;
  padding-block: 18px;
  border-bottom: 1px solid rgba(245, 247, 250, 0.08);
}
.hero__panel-row:first-child { padding-top: 0; }
.hero__panel-num {
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding-top: 5px;
}
.hero__panel-word {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero__panel-desc {
  grid-column: 2;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* 7. Cards ----------------------------------------------------------------- */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.grid--2,
.grid--3,
.grid--4 { grid-template-columns: 1fr; }
.product-grid { grid-template-columns: 1fr; }

.scenario-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.scenario-card:hover { border-color: rgba(0, 212, 170, 0.5); }
.scenario-card__media {
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.scenario-card__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity 0.25s ease, transform 0.4s ease;
}
.scenario-card:hover .scenario-card__media img {
  opacity: 1;
  transform: scale(1.02);
}
.scenario-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  padding: clamp(20px, 2.4vw, 26px);
}
.scenario-card__index {
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.scenario-card__body p { color: var(--muted); font-size: 0.9375rem; }
.scenario-card__body .arrow-link { margin-top: auto; padding-top: 12px; }

.product-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 30px);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.product-card:hover {
  border-color: rgba(0, 212, 170, 0.5);
  background: #162034;
}
.product-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
}
.product-card__icon { color: var(--accent); }
.product-card__index {
  color: #77839A;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.product-card p { color: var(--muted); font-size: 0.9375rem; }
.product-card .arrow-link { margin-top: auto; padding-top: 14px; }

/* 8. Pipeline diagram ------------------------------------------------------ */
.pipeline {
  display: grid;
  justify-items: center;
  gap: 0;
  max-width: 760px;
  margin-inline: auto;
  padding: clamp(24px, 3vw, 36px);
  background:
    linear-gradient(180deg, rgba(19, 26, 43, 0.7), rgba(13, 19, 34, 0.7)),
    radial-gradient(600px 300px at 50% 0%, rgba(0, 212, 170, 0.08), transparent 70%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.pipeline__node {
  padding: 10px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-3);
  color: #C7CEDB;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}
.pipeline__node small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: none;
}
.pipeline__node--core {
  border-color: rgba(0, 212, 170, 0.55);
  color: var(--accent);
  background: rgba(0, 212, 170, 0.06);
}
.pipeline__link {
  position: relative;
  width: 1px;
  height: 26px;
  background: var(--line-strong);
}
.pipeline__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 5px;
  height: 5px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  transform: translate(-50%, 1px) rotate(45deg);
}
.pipeline__branches {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.pipeline__branch {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-align: center;
}
.pipeline__caption {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

/* 9. Capabilities ---------------------------------------------------------- */
.capability {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 3vw, 34px);
  border-top: 2px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(19, 26, 43, 0.55), transparent);
  transition: border-color 0.2s ease;
}
.capability:hover { border-top-color: var(--accent); }
.capability__icon { color: var(--accent); }
.capability p { color: var(--muted); font-size: 0.9375rem; }
.capability ul {
  display: grid;
  gap: 6px;
  margin-top: 4px;
  color: #B9C2D4;
  font-size: 0.8125rem;
}
.capability li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 8px;
}
.capability li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-top: 8px;
  background: var(--accent);
  opacity: 0.7;
}

/* 10. Stats ---------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  padding: clamp(22px, 3vw, 34px);
  background: var(--bg-2);
}
.stat__value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--accent);
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat__value .data-placeholder { color: var(--accent); opacity: 0.75; }
.stat__unit { color: var(--muted); font-size: 0.875rem; font-weight: 400; }
.stat__label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

/* 11. Why / numbered list -------------------------------------------------- */
.reasons { display: grid; gap: 0; border-top: 1px solid var(--line); }
.reason {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 8px 20px;
  padding-block: 26px;
  border-bottom: 1px solid var(--line);
}
.reason__num {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding-top: 7px;
}
.reason h3 { margin-bottom: 8px; }
.reason p { color: var(--muted); font-size: 0.9375rem; max-width: 70ch; }

/* 12. CTA band ------------------------------------------------------------- */
.cta-band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 5vw, 56px);
  overflow: hidden;
  background:
    radial-gradient(620px 260px at 92% 0%, rgba(0, 212, 170, 0.16), transparent 65%),
    linear-gradient(120deg, #101A2C 0%, #0C1220 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.cta-band h2 { font-size: clamp(1.75rem, 3vw, 2.375rem); max-width: 22ch; }
.cta-band p {
  margin-top: 10px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 0.9375rem;
}
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: none;
}

/* 13. Page hero (inner pages) ---------------------------------------------- */
.page-hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 88px) clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(800px 340px at 88% 0%, rgba(59, 130, 246, 0.12), transparent 65%),
    linear-gradient(180deg, #0D1424, var(--bg));
}
.page-hero h1 { max-width: 22ch; margin-top: 18px; }
.page-hero .lede { margin-top: 22px; }
.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 28px;
  color: var(--muted);
  font-size: var(--step--1);
}
.page-hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.page-hero__meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

/* 14. Jump nav ------------------------------------------------------------- */
.jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}
.jump-nav__link {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #C7CEDB;
  font-size: 0.8125rem;
  line-height: 1.3;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.jump-nav__link:hover { border-color: var(--accent); color: var(--accent); }

/* 15. Feature blocks ------------------------------------------------------- */
.feature {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  padding-block: clamp(40px, 5.5vw, 64px);
}
.feature + .feature { border-top: 1px solid var(--line); }
.feature:first-of-type { padding-top: 0; }
.feature__media { order: -1; }
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.media-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: 0.9;
}
.media-frame--square img { aspect-ratio: 1 / 1; }
.feature__body { min-width: 0; }
.feature__body h2 { max-width: 20ch; }
.feature__body > p { margin-top: 16px; color: var(--muted); }
.feature__body > .kicker { margin-top: 0; margin-bottom: 12px; }
.feature__body h3 {
  margin-top: 26px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
}
.feature__body ul {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: #B9C2D4;
  font-size: 0.9375rem;
}
.feature__body ul li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  line-height: 1.55;
}
.feature__body ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 9px;
  background: var(--accent);
  opacity: 0.65;
}
.feature__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}
.pill--accent { border-color: rgba(0, 212, 170, 0.4); color: var(--accent); }

/* 16. Tables / facts ------------------------------------------------------- */
.facts { border-top: 1px solid var(--line); }
.facts__row {
  display: grid;
  gap: 4px;
  padding-block: 16px;
  border-bottom: 1px solid var(--line);
}
.facts__key {
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.facts__val { font-size: 0.9375rem; }
.facts-note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.8125rem;
  max-width: 70ch;
}

.checklist { display: grid; gap: 16px; margin-top: 26px; }
.checklist li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9375rem;
}
.checklist .icon {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--accent);
}
.checklist strong { color: var(--text); font-weight: 700; }

/* 17. Quote / philosophy --------------------------------------------------- */.quote {
  padding-left: clamp(20px, 3vw, 32px);
  border-left: 2px solid var(--accent);
  max-width: 26ch;
}
.quote p {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.quote cite {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.8125rem;
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.principle {
  display: grid;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}
.principle__num {
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.principle p { color: var(--muted); font-size: 0.9375rem; }

.pillar {
  padding: clamp(24px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 26, 43, 0.7), rgba(10, 14, 26, 0.25));
}
.pillar__word {
  color: var(--accent);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.15;
}
.pillar__sub {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.pillar p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* 18. Forms ---------------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 3.4vw, 36px);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.form__row { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field label {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  background: var(--bg-3);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: #77839A; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.12);
}
.field__hint { color: var(--muted); font-size: 0.75rem; }
.form__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  justify-content: space-between;
  margin-top: 4px;
}
.form__note { color: var(--muted); font-size: 0.75rem; max-width: 34ch; }
.form__note a { color: var(--text); border-bottom: 1px solid var(--line-strong); }
.form__note a:hover { color: var(--accent); border-color: var(--accent); }
.form__status {
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--accent);
  font-size: 0.875rem;
}
.form__status.is-visible {
  padding: 12px 14px;
  border-color: rgba(0, 212, 170, 0.4);
  background: rgba(0, 212, 170, 0.07);
}

.contact-card {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.contact-item {
  display: grid;
  gap: 4px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
}
.contact-item__label {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contact-item__value {
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}
.contact-item__value a { border-bottom: 1px solid var(--line-strong); }
.contact-item__value a:hover { color: var(--accent); border-color: var(--accent); }

.steps { display: grid; gap: 18px; margin-top: 22px; }
.step { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.step__num {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding-top: 2px;
}
.step h3 { font-size: 1rem; margin-bottom: 3px; }
.step p { color: var(--muted); font-size: 0.875rem; }

/* 19. Footer --------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #070B14;
  padding-top: clamp(40px, 6vw, 64px);
}
.footer-grid {
  display: grid;
  gap: 32px;
  padding-bottom: clamp(32px, 5vw, 56px);
}
.footer-brand { display: grid; gap: 14px; align-content: start; }
.footer-brand .brand { padding-block: 0; }
.footer-brand p {
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.65;
  max-width: 34ch;
}
.footer-col h3 {
  margin-bottom: 14px;
  color: var(--text);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.footer-col ul { display: grid; gap: 9px; }
.footer-col a,
.footer-col span {
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.45;
}
.footer-col a:hover { color: var(--accent); }
.footer-col .is-pending { color: #77839A; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  color: #77839A;
  font-size: 0.75rem;
}
.footer-bottom__lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 20. Data placeholders ---------------------------------------------------- */
.data-placeholder {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

/* 21. Responsive ----------------------------------------------------------- */
@media (min-width: 560px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .form__row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts__row { grid-template-columns: 210px 1fr; gap: 20px; align-items: baseline; }
}

@media (min-width: 700px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .section-head { gap: 20px; }
}

@media (min-width: 900px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature { grid-template-columns: 1fr 1fr; align-items: center; }
  .feature--reverse .feature__media { order: 2; }
  .feature__body h2 { max-width: 18ch; }
}

@media (min-width: 1000px) {
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-card--wide { grid-column: span 2; }
}

@media (min-width: 1200px) {
  .hero__inner { grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr); }
  .hero__panel { display: block; }
}

@media (min-width: 1024px) {
  .contact-layout { grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr); }
  .footer-grid {
    grid-template-columns: 1.7fr repeat(4, minmax(0, 1fr));
    gap: 28px;
  }
  .footer-brand { grid-column: auto; }
}

/* Mobile navigation: < 960px */
@media (max-width: 959px) {
  .nav-toggle { display: inline-flex; }

  .header-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 24px;
    background: #0B1120;
    border-bottom: 1px solid var(--line);
    max-height: calc(100vh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .site-header.is-open .header-nav { display: flex; }

  .nav-link {
    padding-block: 16px;
    border-bottom: 1px solid rgba(30, 39, 64, 0.7);
    font-size: 1.0625rem;
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { color: var(--accent); }

  .header-cta {
    margin-top: 18px;
    width: 100%;
  }
  .site-header .header-cta.btn { display: none; }
  .site-header .header-nav .header-cta { display: inline-flex; }
}

@media (min-width: 960px) {
  .site-header .header-nav .header-cta { display: none; }
}

@media (max-width: 767px) {
  :root { --header-h: 64px; }
  .hero__panel { display: none; }
  .hero__inner { padding-block: 56px 48px; }
  .hero h1 { max-width: 100%; }
  .hero__actions .btn { flex: 1 1 auto; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1 1 auto; }
  .reason { grid-template-columns: 1fr; gap: 6px; }
  .pipeline { padding: 22px 16px; }
  .page-hero { padding-top: 40px; }
}

@media (max-width: 479px) {
  .brand__text { font-size: 0.9375rem; letter-spacing: 0.14em; }
  .hero__actions .btn { width: 100%; }
  .cta-band__actions .btn { width: 100%; }
  .footer-bottom { justify-content: flex-start; }
}

/* 22. Motion preferences --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* 23. Print ---------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .cta-band, .jump-nav { display: none; }
  body { background: #fff; color: #000; }
  .section { padding-block: 24px; }
}