/* =============================================================
   DEASOFT — landing styles
   Дизайн‑система: графит + off‑white + сдержанный teal.
   Типографика: Inter Tight (display) / Inter (body) / JetBrains Mono.
   ============================================================= */

:root {
  /* Surfaces */
  --bg-dark: #0C0D10;
  --bg-dark-2: #14161A;
  --bg-light: #F2EFE8;
  --bg-light-2: #E7E3DA;
  --bg-final: #0A0B0D;

  /* Text */
  --text-on-dark: #E8E6E0;
  --text-on-dark-mut: #8A8884;
  --text-on-light: #1A1B1E;
  --text-on-light-mut: #6E6C68;

  /* Accent + lines */
  --accent: #2D6F7C;
  --accent-soft: #3E8B99;
  --line-on-dark: rgba(255, 255, 255, 0.08);
  --line-on-dark-strong: rgba(255, 255, 255, 0.18);
  --line-on-light: rgba(0, 0, 0, 0.10);
  --line-on-light-strong: rgba(0, 0, 0, 0.22);

  /* Layout */
  --container: 1400px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-pad-y: clamp(5rem, 10vw, 8.5rem);

  /* Type */
  --font-display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* ─────────── reset ─────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
em { font-style: normal; color: var(--accent-soft); }

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

/* ─────────── container & grid ─────────── */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* ─────────── HEADER ─────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 13, 16, 0.78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 220ms ease, background 220ms ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line-on-dark);
}
.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}
.brand-mark {
  width: 14px;
  height: 14px;
  background: var(--accent);
  display: inline-block;
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--bg-dark);
}
.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  font-size: 0.92rem;
  color: var(--text-on-dark-mut);
}
.site-nav a {
  position: relative;
  padding: 0.25rem 0;
  transition: color 200ms ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: auto; bottom: -2px;
  height: 1px;
  width: 0;
  background: currentColor;
  transition: width 240ms ease;
}
.site-nav a:hover { color: var(--text-on-dark); }
.site-nav a:hover::after { width: 100%; }

/* ─────────── buttons ─────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.94rem;
  letter-spacing: 0.005em;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-sm { padding: 0.55rem 0.9rem; font-size: 0.84rem; }
.btn-lg { padding: 1.05rem 1.6rem; font-size: 1rem; }
.btn-arrow {
  display: inline-block;
  transition: transform 220ms ease;
}
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--text-on-dark);
  color: var(--bg-dark);
  border-color: var(--text-on-dark);
}
.btn-primary:hover {
  background: #fff;
  border-color: #fff;
}
.btn-ghost {
  border-color: var(--line-on-dark-strong);
  color: var(--text-on-dark);
}
.btn-ghost:hover {
  border-color: var(--text-on-dark);
}
.btn-text {
  padding: 0.85rem 0;
  border-color: transparent;
  color: var(--text-on-dark-mut);
}
.btn-text:hover { color: var(--text-on-dark); }

/* light section button variants */
.section-light .btn-primary {
  background: var(--text-on-light);
  color: var(--bg-light);
  border-color: var(--text-on-light);
}
.section-light .btn-ghost {
  border-color: var(--line-on-light-strong);
  color: var(--text-on-light);
}
.section-light .btn-text { color: var(--text-on-light-mut); }
.section-light .btn-text:hover { color: var(--text-on-light); }

/* ─────────── HERO ─────────── */
.hero {
  position: relative;
  padding-top: clamp(3rem, 7vw, 6rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
  border-bottom: 1px solid var(--line-on-dark);
  overflow: hidden;
}
.hero::before {
  /* hairline grid backdrop — едва читаемая */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line-on-dark) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  opacity: 0.5;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0));
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0));
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
  min-height: clamp(34rem, 78vh, 48rem);
  padding-top: clamp(2rem, 6vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.hero-meta {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: clamp(2rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line-on-dark);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark);
}
.eyebrow-muted { color: var(--text-on-dark-mut); }

.hero-title {
  grid-column: 1 / span 8;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 6.4vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-top: clamp(1rem, 3vw, 2rem);
}
.hero-line {
  display: block;
}
.hero-line-accent {
  color: var(--text-on-dark);
}
.hero-line-accent::after {
  content: ".";
  color: var(--accent-soft);
  margin-left: 0.05em;
}

.hero-side {
  grid-column: 10 / span 3;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-self: start;
  padding-left: clamp(1rem, 2vw, 1.5rem);
  border-left: 1px solid var(--line-on-dark);
}
.kv {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.kv-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-mut);
}
.kv-val {
  font-size: 0.92rem;
  color: var(--text-on-dark);
  line-height: 1.4;
}

.hero-foot {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: end;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(2.5rem, 6vw, 5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line-on-dark);
}
.hero-sub {
  max-width: 38rem;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  color: var(--text-on-dark-mut);
  line-height: 1.55;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-self: end;
}

.hero-baseline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-on-dark-mut);
  padding-top: 1rem;
}

/* ─────────── sections ─────────── */
.section {
  padding-block: var(--section-pad-y);
  position: relative;
}
.section-dark { background: var(--bg-dark); color: var(--text-on-dark); }
.section-light { background: var(--bg-light); color: var(--text-on-light); }
.section-dark + .section-dark { border-top: 1px solid var(--line-on-dark); }
.section-divider { border-top: 1px solid var(--line-on-dark); }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-num {
  color: var(--accent);
  font-weight: 500;
}
.section-light .section-num { color: var(--accent); }
.section-label { color: inherit; opacity: 0.85; }

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 4.4vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: inherit;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 1.9vw, 1.6rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--text-on-dark);
  margin-bottom: 1.5rem;
}
.section-light .lede { color: var(--text-on-light); }

.body {
  font-size: 1.02rem;
  color: var(--text-on-dark-mut);
  max-width: 38rem;
}
.section-light .body { color: var(--text-on-light-mut); }

.muted { color: var(--text-on-dark-mut); }
.section-light .muted { color: var(--text-on-light-mut); }

/* ─────────── split (text + aside) ─────────── */
.split {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.split-aside { padding-right: 1rem; }
.split .split-main { max-width: 42rem; }

/* ─────────── stats (about) ─────────── */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-on-dark);
  border: 1px solid var(--line-on-dark);
}
.stat {
  background: var(--bg-dark);
  padding: clamp(1.25rem, 2.4vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 9rem;
}
.stat-key {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-mut);
}
.stat-val {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.6vw, 2.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-on-dark);
  margin-top: auto;
}

/* ─────────── numbered-list (what we do) ─────────── */
.numbered-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-on-light);
}
.numbered-list li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
  padding: clamp(1.5rem, 2.5vw, 2rem) 0;
  border-bottom: 1px solid var(--line-on-light);
  transition: background 200ms ease;
}
.numbered-list li:hover {
  background: rgba(0, 0, 0, 0.025);
}
.numbered-list .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding-top: 0.35rem;
}
.numbered-list .item-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 1.8vw, 1.55rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--text-on-light);
}
.numbered-list .item-body p {
  color: var(--text-on-light-mut);
  max-width: 36rem;
  font-size: 1rem;
}

/* ─────────── audience grid ─────────── */
.audience-grid {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-on-dark);
  border-left: 1px solid var(--line-on-dark);
}
.audience-item {
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  border-right: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 13rem;
  transition: background 220ms ease;
}
.audience-item:hover { background: var(--bg-dark-2); }
.audience-tag {
  color: var(--accent);
}
.audience-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--text-on-dark);
}
.audience-item p {
  color: var(--text-on-dark-mut);
  max-width: 32rem;
  font-size: 0.98rem;
}

/* ─────────── caps (capabilities) ─────────── */
.caps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line-on-dark);
}
.caps li {
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  gap: 0.85rem;
  padding: 1.15rem 1rem 1.15rem 0;
  border-bottom: 1px solid var(--line-on-dark);
  align-items: start;
}
.caps li:nth-child(odd) { padding-right: 1.5rem; border-right: 1px solid var(--line-on-dark); }
.caps li:nth-child(even) { padding-left: 1.5rem; }
.caps-key { color: var(--accent); padding-top: 0.2rem; }
.caps strong {
  color: var(--text-on-dark);
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: -0.005em;
}
.caps div {
  color: var(--text-on-dark-mut);
  font-size: 0.98rem;
  line-height: 1.55;
}

/* ─────────── architecture ─────────── */
.split-arch {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.arch-text .body { color: var(--text-on-light-mut); max-width: 32rem; }
.arch-principles {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  color: var(--text-on-light);
  font-size: 1rem;
}
.arch-principles span { color: var(--accent); margin-right: 0.5rem; }

.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--line-on-light-strong);
  background: #fff;
  margin: 0;
  position: relative;
}
.arch-diagram::before {
  content: "DSF / ARCH";
  position: absolute;
  top: -0.7rem; right: 1rem;
  background: var(--bg-light);
  padding: 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-on-light-mut);
}
.layer {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  padding: clamp(1.1rem, 1.6vw, 1.4rem) clamp(1rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--line-on-light);
  transition: background 200ms ease;
}
.layer:last-of-type { border-bottom: none; }
.layer:hover { background: var(--bg-light-2); }
.layer-num {
  color: var(--accent);
  font-weight: 500;
}
.layer-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  letter-spacing: -0.005em;
  color: var(--text-on-light);
}
.layer-meta {
  color: var(--text-on-light-mut);
  text-align: right;
}
.arch-caption {
  padding: 0.85rem 1.25rem;
  color: var(--text-on-light-mut);
  font-style: normal;
  background: var(--bg-light-2);
  border-top: 1px solid var(--line-on-light);
}

/* ─────────── triptych (security) ─────────── */
.triptych {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-on-dark);
  border: 1px solid var(--line-on-dark);
}
.trip-item {
  background: var(--bg-dark);
  padding: clamp(1.5rem, 2.4vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.trip-item header { display: flex; flex-direction: column; gap: 0.75rem; }
.trip-tag { color: var(--accent); }
.trip-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.7vw, 1.45rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-on-dark);
}
.trip-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--text-on-dark-mut);
  font-size: 0.96rem;
  line-height: 1.5;
}
.trip-list li {
  padding-left: 1.1rem;
  position: relative;
}
.trip-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ─────────── impact (numbers, light) ─────────── */
.impact-grid {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-on-light);
  border-left: 1px solid var(--line-on-light);
}
.impact-item {
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.5rem, 2.5vw, 2rem);
  border-right: 1px solid var(--line-on-light);
  border-bottom: 1px solid var(--line-on-light);
  display: grid;
  grid-template-columns: minmax(8rem, 14rem) 1fr;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
  min-height: 11rem;
}
.impact-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text-on-light);
}
.impact-desc {
  color: var(--text-on-light-mut);
  font-size: 1rem;
  max-width: 26rem;
}

/* ─────────── cases ─────────── */
.cases-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-on-dark);
}
.cases-list li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: clamp(1rem, 2vw, 2rem);
  padding: clamp(1.4rem, 2.4vw, 2rem) 0;
  border-bottom: 1px solid var(--line-on-dark);
  align-items: start;
  transition: background 200ms ease;
}
.cases-list li:hover { background: rgba(255, 255, 255, 0.02); }
.case-num { color: var(--accent); padding-top: 0.4rem; }
.cases-list h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.45rem;
  color: var(--text-on-dark);
}
.cases-list p {
  color: var(--text-on-dark-mut);
  max-width: 42rem;
  font-size: 1rem;
}

/* ─────────── final CTA ─────────── */
.section-final {
  background: var(--bg-final);
  border-top: 1px solid var(--line-on-dark);
}
.cta-head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cta-head .section-num { color: var(--accent); }
.cta-head .section-label { color: var(--text-on-dark); opacity: 0.85; }

.cta-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.6vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--text-on-dark);
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 36ch;
}
.cta-em { color: var(--accent-soft); }
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.cta-contacts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-on-dark);
}
.cta-contacts > div {
  padding: 1.25rem 1.25rem 1.25rem 0;
  border-right: 1px solid var(--line-on-dark);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cta-contacts > div:last-child { border-right: none; }
.cta-contacts > div:not(:first-child) { padding-left: 1.25rem; }
.cta-contacts dt { color: var(--text-on-dark-mut); }
.cta-contacts dd {
  color: var(--text-on-dark);
  font-size: 1rem;
}
.cta-contacts a { border-bottom: 1px solid var(--line-on-dark-strong); padding-bottom: 1px; }
.cta-contacts a:hover { border-bottom-color: var(--accent-soft); color: var(--accent-soft); }

/* ─────────── footer ─────────── */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--line-on-dark);
  padding-block: 2.5rem;
  color: var(--text-on-dark-mut);
}
.footer-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--text-on-dark);
}
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  color: var(--text-on-dark-mut);
}
.footer-legal {
  margin-left: auto;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-mut);
  opacity: 0.75;
  transition: color 180ms ease, opacity 180ms ease;
}
.footer-legal:hover { color: var(--text-on-dark); opacity: 1; }

/* ─────────── reveal animation ─────────── */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 700ms ease, transform 700ms ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .btn:hover .btn-arrow { transform: none; }
}

/* ─────────── responsive ─────────── */
@media (max-width: 1080px) {
  .hero-title { grid-column: 1 / -1; }
  .hero-side { grid-column: 1 / -1; border-left: none; padding-left: 0; border-top: 1px solid var(--line-on-dark); padding-top: 1.25rem; }
  .hero-foot { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-cta { justify-self: start; }
  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-arch { grid-template-columns: 1fr; gap: 2.5rem; }
  .triptych { grid-template-columns: 1fr; }
  .caps { grid-template-columns: 1fr; }
  .caps li:nth-child(odd) { padding-right: 0; border-right: none; }
  .caps li:nth-child(even) { padding-left: 0; }
  .site-nav { display: none; }
  .header-row { grid-template-columns: 1fr auto; }
  .audience-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .stats { grid-template-columns: 1fr; }
  .cta-contacts { grid-template-columns: 1fr; }
  .cta-contacts > div { border-right: none; border-bottom: 1px solid var(--line-on-dark); padding: 1rem 0; }
  .cta-contacts > div:not(:first-child) { padding-left: 0; }
  .cta-contacts > div:last-child { border-bottom: none; }
  .footer-row { grid-template-columns: 1fr; text-align: left; gap: 1rem; }
  .footer-meta { flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 0.4rem; }
  .footer-legal { margin-left: 0; }
  .layer { grid-template-columns: 2.5rem 1fr; }
  .layer-meta { grid-column: 1 / -1; text-align: left; padding-top: 0.25rem; }
  .impact-item { grid-template-columns: 1fr; gap: 1rem; }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

/* =============================================================
   LEGAL / PRIVACY PAGE
   ============================================================= */

.legal-page { background: var(--bg-dark); }

/* ── hero ── */
.legal-hero {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line-on-dark);
  position: relative;
}
.legal-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(to right, var(--line-on-dark) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  opacity: 0.4;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0));
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0));
}
.legal-hero > .container { position: relative; }

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-on-dark-mut);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  transition: color 180ms ease, gap 220ms ease;
}
.legal-back:hover { color: var(--text-on-dark); gap: 0.75rem; }

.legal-hero-row {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line-on-dark);
}
.legal-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--text-on-dark);
  margin: 0.75rem 0 0;
}
.legal-meta {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-left: clamp(1rem, 2vw, 1.5rem);
  border-left: 1px solid var(--line-on-dark);
}

/* ── body layout ── */
.legal-body { padding-top: clamp(3rem, 6vw, 5rem); }
.legal-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

/* ── sticky TOC ── */
.legal-toc {
  position: sticky;
  top: 96px;
  align-self: start;
  padding-right: 1rem;
  font-size: 0.92rem;
}
.legal-toc-label {
  display: block;
  color: var(--text-on-light-mut);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-on-light);
}
.legal-toc ol {
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.legal-toc li {
  counter-increment: toc;
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  align-items: baseline;
  gap: 0.5rem;
}
.legal-toc li::before {
  content: "§ 0" counter(toc);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.legal-toc a {
  color: var(--text-on-light-mut);
  transition: color 180ms ease;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.legal-toc a:hover { color: var(--text-on-light); border-bottom-color: var(--line-on-light-strong); }

/* ── article ── */
.legal-article {
  max-width: 48rem;
  color: var(--text-on-light);
}
.legal-intro {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--text-on-light);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line-on-light);
}
.legal-intro a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.legal-intro a:hover { color: var(--accent-soft); }

.legal-section { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.legal-section:last-of-type { margin-bottom: clamp(2rem, 4vw, 3rem); }

.legal-section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(1.25rem, 2vw, 1.75rem);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line-on-light);
}
.legal-section-num { color: var(--accent); }
.legal-section h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.2vw, 1.75rem);
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--text-on-light);
}

/* clause = numbered paragraph */
.clause {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding-block: 0.5rem;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--text-on-light);
}
.clause + .clause { border-top: 1px dashed var(--line-on-light); padding-top: 0.85rem; margin-top: 0.35rem; }
.clause-num {
  color: var(--accent);
  padding-top: 0.18rem;
}
.clause a {
  color: var(--text-on-light);
  border-bottom: 1px solid var(--line-on-light-strong);
  padding-bottom: 1px;
  transition: color 180ms ease, border-color 180ms ease;
}
.clause a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.clause strong { color: var(--text-on-light); font-weight: 600; }

/* definitions (§1) */
.legal-defs {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 1rem;
  border-top: 1px solid var(--line-on-light);
}
.legal-defs > div {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line-on-light);
}
.legal-defs dt {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.45rem;
}
.legal-defs dt strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text-on-light);
  letter-spacing: -0.005em;
}
.def-num { color: var(--accent); }
.legal-defs dd {
  margin: 0;
  padding-left: 4rem;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-on-light-mut);
}

/* sub-list (e.g. 4.1.x, 7.2.x) */
.legal-sublist {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line-on-light);
}
.legal-sublist li {
  display: grid;
  grid-template-columns: 3.75rem 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-on-light);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-on-light-mut);
}
.sub-num { color: var(--accent); padding-top: 0.18rem; }

/* article footer */
.legal-foot {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--line-on-light-strong);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.legal-foot-meta { color: var(--text-on-light-mut); }

/* responsive */
@media (max-width: 1080px) {
  .legal-hero-row { grid-template-columns: 1fr; }
  .legal-meta { padding-left: 0; border-left: none; border-top: 1px solid var(--line-on-dark); padding-top: 1rem; }
  .legal-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .legal-toc { position: static; padding-right: 0; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line-on-light); }
  .legal-toc ol { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1.25rem; }
}
@media (max-width: 720px) {
  .legal-toc ol { grid-template-columns: 1fr; }
  .clause { grid-template-columns: 2.5rem 1fr; gap: 0.75rem; }
  .legal-defs dt { grid-template-columns: 2.5rem 1fr; gap: 0.75rem; }
  .legal-defs dd { padding-left: 3.25rem; }
  .legal-sublist li { grid-template-columns: 3rem 1fr; gap: 0.75rem; }
}

/* =============================================================
   COOKIE CONSENT BANNER (injected by script.js)
   ============================================================= */

.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  background: rgba(10, 11, 13, 0.94);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-top: 1px solid var(--accent);
  color: var(--text-on-dark);
  overflow: hidden;
  transform: translateY(calc(100% + 1px));
  opacity: 0;
  transition: transform 460ms cubic-bezier(0.16, 1, 0.3, 1), opacity 260ms ease;
  will-change: transform, opacity;
}

/* мягкая teal‑полоса света, едет слева направо по фону */
.cookie-banner::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 55%;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(
    90deg,
    rgba(45, 111, 124, 0) 0%,
    rgba(45, 111, 124, 0.06) 35%,
    rgba(62, 139, 153, 0.10) 50%,
    rgba(45, 111, 124, 0.06) 65%,
    rgba(45, 111, 124, 0) 100%
  );
  transform: translateX(-100%);
  opacity: 0;
  transition: opacity 600ms ease;
}
.cookie-banner.is-visible::before {
  opacity: 1;
  animation: cookie-sweep 7.5s linear 900ms infinite;
}
.cookie-banner > .container { position: relative; z-index: 1; }

@keyframes cookie-sweep {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(280%); }
}
.cookie-banner.is-visible {
  transform: none;
  opacity: 1;
  animation: cookie-breath 3.4s ease-in-out 600ms infinite;
}
.cookie-banner[hidden] { display: none; }

/* мягкое «дыхание» аккцентом — обращает внимание, но не дёргает */
@keyframes cookie-breath {
  0%, 100% {
    border-top-color: rgba(45, 111, 124, 0.55);
    box-shadow:
      0 -1px 0 0 rgba(45, 111, 124, 0.0),
      0 -14px 36px -16px rgba(45, 111, 124, 0.0);
  }
  50% {
    border-top-color: var(--accent-soft);
    box-shadow:
      0 -1px 0 0 rgba(62, 139, 153, 0.35),
      0 -16px 44px -14px rgba(62, 139, 153, 0.35);
  }
}

/* синхронно дышит и моно‑метка слева */
.cookie-banner.is-visible .cookie-eyebrow {
  animation: cookie-eyebrow-breath 3.4s ease-in-out 600ms infinite;
}
@keyframes cookie-eyebrow-breath {
  0%, 100% { color: var(--accent); }
  50%      { color: var(--accent-soft); }
}

/* пауза при намерении взаимодействовать — премиальная вежливость */
.cookie-banner:hover,
.cookie-banner:focus-within {
  animation-play-state: paused;
}
.cookie-banner:hover .cookie-eyebrow,
.cookie-banner:focus-within .cookie-eyebrow,
.cookie-banner:hover::before,
.cookie-banner:focus-within::before {
  animation-play-state: paused;
}

.cookie-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  padding-block: 1.15rem;
}
.cookie-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}
.cookie-eyebrow {
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cookie-text {
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--text-on-dark-mut);
  max-width: 80ch;
}
.cookie-text a {
  color: var(--text-on-dark);
  border-bottom: 1px solid var(--line-on-dark-strong);
  padding-bottom: 1px;
  transition: color 180ms ease, border-color 180ms ease;
}
.cookie-text a:hover {
  color: var(--accent-soft);
  border-bottom-color: var(--accent-soft);
}

.cookie-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

@media (max-width: 720px) {
  .cookie-row {
    grid-template-columns: 1fr;
    gap: 0.9rem;
    padding-block: 1rem;
  }
  .cookie-actions { justify-content: flex-start; }
  .cookie-actions .btn { flex: 1; justify-content: center; }
  .cookie-text { font-size: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cookie-banner { transition: none; }
  .cookie-banner.is-visible,
  .cookie-banner.is-visible .cookie-eyebrow,
  .cookie-banner.is-visible::before { animation: none; }
  .cookie-banner::before { display: none; }
}