/* ========== 1. reset ========== */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

[id] { scroll-margin-block-start: 104px; }

/* ========== 2. tokens ========== */
:root {
  --mx-ink: #0A1628;
  --mx-panel: #10233D;
  --mx-cream: #F3EBDD;
  --mx-white: #FFF8EC;
  --mx-cyan: #35E0D0;
  --mx-orange: #FF7A3D;
  --mx-violet: #8B5CF6;
  --mx-line: #2A4664;
  --mx-brick: #C24A22;
  --mx-brown: #231C18;
  --mx-mute: #9BB0C6;
  --mx-mute-2: #758CA6;

  --mx-font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mx-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  --mx-font-mono: "IBM Plex Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --mx-cut: 14px;
  --mx-shell: 1280px;
  --mx-gutter: clamp(18px, 4vw, 48px);
  --mx-header-h: 64px;
}

/* ========== 3. base ========== */
body {
  min-height: 100vh;
  background-color: var(--mx-ink);
  background-image:
    linear-gradient(90deg, rgba(42, 70, 100, 0.22) 1px, transparent 1px),
    linear-gradient(180deg, rgba(42, 70, 100, 0.1) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px;
  color: var(--mx-white);
  font-family: var(--mx-font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--mx-font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.005em;
}

p { overflow-wrap: break-word; }

::selection { background: var(--mx-cyan); color: #06121F; }

:focus-visible {
  outline: 2px solid var(--mx-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.mx-mono {
  font-family: var(--mx-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.mx-skip {
  position: fixed;
  inset-inline-start: 14px;
  top: -80px;
  z-index: 120;
  padding: 10px 18px;
  font-family: var(--mx-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #06121F;
  background: var(--mx-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 70%, calc(100% - 10px) 100%, 0 100%);
  transition: top 0.2s ease;
}

.mx-skip:focus { top: 14px; }

/* ========== 4. buttons ========== */
.mx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-family: var(--mx-font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  border: 1px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% 68%, calc(100% - 12px) 100%, 0 100%);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.mx-btn--sm {
  padding: 8px 14px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.mx-btn--signal {
  background: var(--mx-orange);
  color: #24100A;
}

.mx-btn--signal:hover { background: #FF9159; }

.mx-btn--ghost {
  background: rgba(16, 35, 61, 0.7);
  border-color: var(--mx-line);
  color: var(--mx-white);
}

.mx-btn--ghost:hover {
  border-color: var(--mx-cyan);
  color: var(--mx-cyan);
}

.mx-btn:focus-visible {
  outline: 2px solid var(--mx-ink);
  outline-offset: -4px;
}

.mx-btn--ghost:focus-visible { outline-color: var(--mx-cyan); }

/* ========== 5. header ========== */
.mx-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 80;
  background: rgba(10, 22, 40, 0.94);
  border-block-end: 1px solid var(--mx-line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.mx-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  width: 100%;
  max-width: var(--mx-shell);
  min-height: var(--mx-header-h);
  margin-inline: auto;
  padding: 10px var(--mx-gutter);
  transition: min-height 0.24s ease, padding 0.24s ease;
}

.mx-header[data-condensed] .mx-header__inner {
  min-height: 54px;
  padding-block: 6px;
}

/* brand */
.mx-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.mx-brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-family: var(--mx-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #05201F;
  background: var(--mx-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  transition: background-color 0.2s ease;
}

.mx-brand:hover .mx-brand__mark { background: var(--mx-orange); }

.mx-brand__text { display: block; }

.mx-brand__name {
  display: block;
  font-family: var(--mx-font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--mx-white);
}

.mx-brand__meta {
  display: block;
  font-family: var(--mx-font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--mx-mute-2);
  text-transform: uppercase;
}

/* nav */
.mx-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.mx-nav__head { display: none; }
.mx-nav__foot { display: none; }

.mx-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.mx-nav__item { display: block; }

.mx-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 10px;
  font-size: 13.5px;
  color: var(--mx-mute);
  transition: color 0.18s ease;
}

.mx-nav__idx {
  font-family: var(--mx-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  color: var(--mx-mute-2);
  transition: color 0.18s ease;
}

.mx-nav__link::after {
  content: "";
  position: absolute;
  inset-inline: 10px;
  bottom: 3px;
  height: 2px;
  background: var(--mx-orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

.mx-nav__link:hover { color: var(--mx-white); }
.mx-nav__link:hover .mx-nav__idx { color: var(--mx-cyan); }
.mx-nav__link:hover::after { transform: scaleX(1); }

.mx-nav__link[aria-current="page"] { color: var(--mx-white); }
.mx-nav__link[aria-current="page"] .mx-nav__idx { color: var(--mx-orange); }
.mx-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* status */
.mx-header__status {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.mx-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--mx-white);
  background: rgba(16, 35, 61, 0.75);
  border: 1px solid var(--mx-line);
  clip-path: polygon(0 0, 100% 0, 100% 70%, calc(100% - 8px) 100%, 0 100%);
}

.mx-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mx-cyan);
  flex: 0 0 auto;
  animation: mx-pulse 2.6s ease-out infinite;
}

.mx-status__text { white-space: nowrap; }

.mx-status__sep { color: var(--mx-mute-2); }

.mx-status__ver {
  font-family: var(--mx-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--mx-cyan);
  white-space: nowrap;
}

@keyframes mx-pulse {
  0% { box-shadow: 0 0 0 0 rgba(53, 224, 208, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(53, 224, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 224, 208, 0); }
}

/* toggle */
.mx-navtoggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  font-family: var(--mx-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mx-white);
  border: 1px solid var(--mx-line);
  background: rgba(16, 35, 61, 0.6);
  clip-path: polygon(0 0, 100% 0, 100% 70%, calc(100% - 8px) 100%, 0 100%);
}

.mx-navtoggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
}

.mx-navtoggle__bar {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mx-navtoggle__text { text-transform: uppercase; }

.mx-header[data-open] .mx-navtoggle { color: var(--mx-cyan); border-color: var(--mx-cyan); }
.mx-header[data-open] .mx-navtoggle__bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.mx-header[data-open] .mx-navtoggle__bar:nth-child(2) { opacity: 0; }
.mx-header[data-open] .mx-navtoggle__bar:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* progress */
.mx-progress {
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.mx-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--mx-cyan), var(--mx-orange));
  transition: width 0.12s linear;
}

/* ========== 6. page shell ========== */
.mx-main {
  display: block;
  padding-block-start: calc(var(--mx-header-h) + clamp(22px, 4vw, 46px));
  padding-block-end: clamp(40px, 7vw, 96px);
}

.mx-main:focus { outline: none; }

.mx-wrap {
  width: 100%;
  max-width: var(--mx-shell);
  margin-inline: auto;
  padding-inline: var(--mx-gutter);
}

/* breadcrumb */
.mx-breadcrumb { margin-block-end: clamp(18px, 3vw, 30px); }

.mx-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--mx-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mx-mute-2);
}

.mx-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mx-breadcrumb__link {
  color: var(--mx-mute);
  border-block-end: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.mx-breadcrumb__link:hover {
  color: var(--mx-cyan);
  border-block-end-color: var(--mx-cyan);
}

.mx-breadcrumb__sep { color: var(--mx-line); }

.mx-breadcrumb__current { color: var(--mx-orange); }

/* ========== 7. section rhythm ========== */
.mx-section { margin-block-start: clamp(36px, 5.5vw, 76px); }

.mx-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding-block-end: 14px;
  margin-block-end: clamp(18px, 2.4vw, 28px);
  border-block-end: 1px solid var(--mx-line);
}

.mx-eyebrow {
  font-family: var(--mx-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mx-cyan);
}

.mx-title-lg {
  font-family: var(--mx-font-display);
  font-size: clamp(30px, 4.4vw, 54px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--mx-white);
}

.mx-lede {
  max-width: 62ch;
  margin-block-start: 12px;
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--mx-mute);
}

.mx-note {
  font-family: var(--mx-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mx-mute-2);
}

/* ========== 8. grid ========== */
.mx-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
}

.mx-span-4,
.mx-span-5,
.mx-span-6,
.mx-span-7,
.mx-span-8,
.mx-span-12 { grid-column: span 12; }

@media (min-width: 820px) {
  .mx-span-4 { grid-column: span 4; }
  .mx-span-5 { grid-column: span 5; }
  .mx-span-6 { grid-column: span 6; }
  .mx-span-7 { grid-column: span 7; }
  .mx-span-8 { grid-column: span 8; }
}

/* ========== 9. panels ========== */
.mx-panel {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  background: var(--mx-panel);
  border: 1px solid var(--mx-line);
  clip-path: polygon(
    0 0,
    calc(100% - var(--mx-cut)) 0,
    100% var(--mx-cut),
    100% 100%,
    var(--mx-cut) 100%,
    0 calc(100% - var(--mx-cut))
  );
}

.mx-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-block-end: 10px;
  margin-block-end: 14px;
  border-block-end: 1px dashed rgba(42, 70, 100, 0.85);
  font-family: var(--mx-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mx-mute-2);
}

.mx-panel__title {
  font-family: var(--mx-font-display);
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--mx-white);
  margin-block-end: 10px;
}

.mx-panel__body {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mx-mute);
}

.mx-panel--paper {
  background: var(--mx-cream);
  border-color: rgba(35, 28, 24, 0.16);
  color: var(--mx-brown);
}

.mx-panel--paper .mx-panel__head {
  color: var(--mx-brick);
  border-block-end-color: rgba(194, 74, 34, 0.35);
}

.mx-panel--paper .mx-panel__title { color: var(--mx-brown); }
.mx-panel--paper .mx-panel__body { color: #3A2E27; }

.mx-panel--paper :focus-visible { outline-color: var(--mx-brick); }

/* ========== 10. media ========== */
.mx-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--mx-panel);
  border: 1px solid var(--mx-line);
}

.mx-media--wide { aspect-ratio: 21 / 9; }
.mx-media--tall { aspect-ratio: 4 / 5; }

.mx-media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.mx-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(53, 224, 208, 0.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(42, 70, 100, 0.35) 1px, transparent 1px);
  background-size: 25% 100%, 100% 33%;
  opacity: 0.75;
  mix-blend-mode: screen;
}

.mx-media__tag {
  position: absolute;
  top: 10px;
  inset-inline-start: 10px;
  z-index: 2;
  padding: 4px 9px;
  font-family: var(--mx-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--mx-cyan);
  background: rgba(10, 22, 40, 0.72);
  border: 1px solid rgba(53, 224, 208, 0.4);
}

.mx-media__caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px 12px 10px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--mx-white);
  background: linear-gradient(0deg, rgba(10, 22, 40, 0.92), rgba(10, 22, 40, 0));
}

/* ========== 11. timeline ========== */
.mx-timeline { display: grid; gap: 0; }

.mx-timeline__item {
  position: relative;
  padding-inline-start: 24px;
  padding-block-end: 18px;
  border-block-end: 1px dashed rgba(42, 70, 100, 0.7);
}

.mx-timeline__item:last-child { border-block-end: 0; padding-block-end: 0; }

.mx-timeline__item::before {
  content: "";
  position: absolute;
  inset-inline-start: 3px;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--mx-cyan);
  transform: rotate(45deg);
}

.mx-timeline__time {
  display: block;
  font-family: var(--mx-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mx-orange);
}

.mx-timeline__title {
  margin-block: 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--mx-white);
}

.mx-timeline__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mx-mute);
}

/* ========== 12. tags ========== */
.mx-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--mx-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--mx-mute);
  background: rgba(16, 35, 61, 0.65);
  border: 1px solid var(--mx-line);
}

.mx-tag--cyan {
  color: #05201F;
  background: var(--mx-cyan);
  border-color: var(--mx-cyan);
}

.mx-tag--orange {
  color: #24100A;
  background: var(--mx-orange);
  border-color: var(--mx-orange);
}

.mx-tag--violet {
  color: var(--mx-cream);
  background: rgba(139, 92, 246, 0.24);
  border-color: rgba(139, 92, 246, 0.62);
}

/* ========== 13. reveal ========== */
.mx-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mx-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ========== 14. footer ========== */
.mx-footer {
  position: relative;
  margin-block-start: clamp(48px, 8vw, 110px);
  background: linear-gradient(180deg, #0A1628 0%, #0C1B30 42%, #081120 100%);
  border-block-start: 1px solid var(--mx-line);
}

.mx-footer::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mx-cyan), var(--mx-orange), transparent);
  opacity: 0.7;
}

.mx-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  width: 100%;
  max-width: var(--mx-shell);
  margin-inline: auto;
  padding: clamp(38px, 5vw, 66px) var(--mx-gutter) clamp(24px, 3vw, 38px);
}

.mx-footer__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mx-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mx-cyan);
}

.mx-footer__kicker-idx { color: var(--mx-orange); }

.mx-footer__brand {
  display: inline-block;
  margin-block: 10px 12px;
  font-family: var(--mx-font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mx-white);
  transition: color 0.18s ease;
}

.mx-footer__brand:hover { color: var(--mx-cyan); }

.mx-footer__line {
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mx-mute);
}

.mx-footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-block-start: 20px;
}

.mx-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
  align-content: start;
}

.mx-footer__col { min-width: 0; }

.mx-footer__title {
  margin-block-end: 12px;
  padding-block-end: 8px;
  font-family: var(--mx-font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mx-mute-2);
  border-block-end: 1px solid var(--mx-line);
}

.mx-footer__links {
  display: grid;
  gap: 9px;
}

.mx-footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--mx-mute);
  transition: color 0.18s ease;
}

.mx-footer__link::before {
  content: "";
  width: 10px;
  height: 1px;
  background: var(--mx-line);
  transition: width 0.18s ease, background-color 0.18s ease;
}

.mx-footer__link:hover { color: var(--mx-white); }
.mx-footer__link:hover::before { width: 18px; background: var(--mx-orange); }

.mx-footer__contact { min-width: 0; }

.mx-contacts { display: grid; gap: 10px; }

.mx-contacts__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding-block-end: 9px;
  border-block-end: 1px dashed rgba(42, 70, 100, 0.8);
}

.mx-contacts__row--stack {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
}

.mx-contacts__k {
  font-family: var(--mx-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--mx-mute-2);
}

.mx-contacts__v {
  font-family: var(--mx-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--mx-white);
  overflow-wrap: anywhere;
}

.mx-contacts__v--text {
  font-family: var(--mx-font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mx-mute);
}

.mx-copy {
  padding: 3px 9px;
  font-family: var(--mx-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mx-mute);
  border: 1px solid var(--mx-line);
  background: rgba(16, 35, 61, 0.6);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.mx-copy:hover { color: var(--mx-cyan); border-color: var(--mx-cyan); }

.mx-copy[data-copied="true"] {
  color: #05201F;
  background: var(--mx-cyan);
  border-color: var(--mx-cyan);
}

.mx-footer__note {
  margin-block-start: 12px;
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--mx-mute-2);
}

.mx-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 22px;
  width: 100%;
  max-width: var(--mx-shell);
  margin-inline: auto;
  padding: 16px var(--mx-gutter) 26px;
  border-block-start: 1px solid var(--mx-line);
  font-family: var(--mx-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mx-mute-2);
}

.mx-footer__legal { color: var(--mx-mute-2); }

.mx-footer__bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.mx-footer__bottom-link {
  color: var(--mx-mute);
  border-block-end: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.mx-footer__bottom-link:hover {
  color: var(--mx-cyan);
  border-block-end-color: var(--mx-cyan);
}

.mx-footer__icp { color: var(--mx-mute); }

/* ========== 15. responsive ========== */
@media (max-width: 1180px) {
  .mx-header__status { display: none; }
  .mx-navtoggle { display: inline-flex; margin-inline-start: auto; order: 3; }

  .mx-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    display: block;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    padding-inline: var(--mx-gutter);
    background: linear-gradient(180deg, rgba(12, 27, 48, 0.99), rgba(10, 22, 40, 0.99));
    border-block-end: 1px solid var(--mx-line);
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.45);
    transition: max-height 0.3s ease, opacity 0.22s ease, visibility 0.22s ease;
  }

  .mx-header[data-open] .mx-nav {
    max-height: min(80vh, 640px);
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
    padding-block: 16px 18px;
  }

  .mx-nav__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
    padding-block-end: 12px;
    margin-block-end: 4px;
    border-block-end: 1px solid var(--mx-line);
    font-family: var(--mx-font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    color: var(--mx-mute);
  }

  .mx-nav__head-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--mx-white);
  }

  .mx-nav__head-ver { color: var(--mx-cyan); }

  .mx-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .mx-nav__link {
    justify-content: space-between;
    align-items: center;
    padding: 14px 4px;
    font-size: 16px;
    color: var(--mx-white);
    border-block-end: 1px dashed rgba(42, 70, 100, 0.7);
  }

  .mx-nav__idx { order: 2; font-size: 11px; color: var(--mx-mute-2); }
  .mx-nav__label { order: 1; }

  .mx-nav__link::after {
    inset-inline: 0;
    bottom: 0;
    height: 2px;
  }

  .mx-nav__foot {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-block-start: 18px;
  }

  .mx-nav__foot .mx-btn { flex: 1 1 140px; }
}

@media (max-width: 1080px) {
  .mx-footer__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }

  .mx-footer__lead { grid-column: 1 / -1; }
  .mx-footer__line { max-width: 52ch; }
}

@media (max-width: 760px) {
  .mx-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .mx-footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .mx-header__cta { display: none; }
  .mx-brand__meta { display: none; }
  .mx-brand__name { font-size: 16px; }
  .mx-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mx-title-lg { font-size: clamp(28px, 8vw, 38px); }
}

@media (max-width: 380px) {
  .mx-contacts__row { grid-template-columns: 1fr auto; }
  .mx-contacts__row .mx-contacts__k { grid-column: 1 / -1; }
}

@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;
  }

  .mx-js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .mx-status__dot { animation: none; }
}