/* =========================================================
   雷火电竞 /assets/site.css
   共享外壳：reset / tokens / header / footer / 通用组件
   ========================================================= */

/* ---------- 01 Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 140px;
  background: #0A0C11;
}

body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd, fieldset { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 02 Tokens ---------- */
:root {
  --ink: #0A0C11;
  --ink-2: #151A23;
  --ink-3: #0F131A;
  --ink-4: #07090D;
  --steel: #2A3240;

  --flame: #FF6A1A;
  --lava: #E23A1E;
  --volt: #2FD2FF;
  --neon: #35E0A1;

  --paper: #F3EBDF;
  --paper-ink: #14161C;
  --paper-body: #2A2F3A;
  --paper-accent: #1B3A8C;

  --mist: #98A2B8;
  --text: #E8ECF3;
  --text-soft: #C7CEDC;
  --line: rgba(151, 162, 184, 0.22);
  --line-strong: rgba(151, 162, 184, 0.38);

  --grad-flame: linear-gradient(102deg, #FF6A1A 0%, #E23A1E 100%);
  --grad-volt: linear-gradient(120deg, #2FD2FF 0%, #35E0A1 100%);
  --grad-progress: linear-gradient(90deg, #FF6A1A 0%, #E23A1E 46%, #2FD2FF 100%);

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shell: min(1240px, 92vw);
  --shell-wide: min(1500px, 94vw);
  --shell-narrow: min(880px, 92vw);
  --gut: clamp(16px, 4vw, 40px);

  --ease: cubic-bezier(0.22, 0.7, 0.24, 1);
  --dur: 0.32s;
}

/* ---------- 03 Base typography ---------- */
body {
  position: relative;
  min-height: 100vh;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(151, 162, 184, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 162, 184, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(130% 78% at 50% 0%, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 82%);
  mask-image: radial-gradient(130% 78% at 50% 0%, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 82%);
}

h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
}

h1 { font-size: clamp(40px, 6.2vw, 96px); }
h2 { font-size: clamp(28px, 3.6vw, 48px); }
h3 { font-size: clamp(20px, 2.2vw, 28px); }

p { max-width: 76ch; }

.mono { font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.02em; }

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

/* ---------- 04 Layout ---------- */
.shell { width: var(--shell); margin-inline: auto; }
.shell--wide { width: var(--shell-wide); margin-inline: auto; }
.shell--narrow { width: var(--shell-narrow); margin-inline: auto; }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.section { padding: clamp(48px, 7vw, 112px) 0; }
.section__head { display: flex; flex-direction: column; gap: 14px; margin-bottom: clamp(24px, 3vw, 48px); }

.rule-slash {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--flame) 0%, rgba(255, 106, 26, 0.08) 38%, var(--line) 100%);
}

/* ---------- 05 Skip link ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: var(--gut);
  z-index: 200;
  padding: 12px 20px;
  background: var(--flame);
  color: #10060A;
  font-weight: 800;
  font-size: 15px;
  transition: top 0.22s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible { top: 14px; outline: 2px solid #fff; outline-offset: 2px; }

/* ---------- 06 Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 17, 0.94);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

/* 上层品牌说明带 */
.brandbar {
  overflow: hidden;
  max-height: 46px;
  opacity: 1;
  background:
    linear-gradient(90deg, rgba(226, 58, 30, 0.20) 0%, rgba(10, 12, 17, 0) 44%),
    var(--ink-3);
  border-bottom: 1px solid var(--line);
  transition: max-height var(--dur) var(--ease), opacity 0.24s var(--ease), border-color 0.24s var(--ease);
}

.brandbar__inner {
  width: var(--shell);
  margin-inline: auto;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.brandbar__lede { color: var(--text-soft); white-space: nowrap; }

.brandbar__meta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}
.brandbar__meta .mono { color: var(--volt); }

.brandbar__pulse {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--neon);
  box-shadow: 0 0 0 0 rgba(53, 224, 161, 0.55);
  animation: blaze-pulse 2.6s var(--ease) infinite;
}

@keyframes blaze-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(53, 224, 161, 0.5); }
  70%  { box-shadow: 0 0 0 9px rgba(53, 224, 161, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 224, 161, 0); }
}

/* 下层导航条 */
.navbar__inner {
  width: var(--shell);
  margin-inline: auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 40px);
  transition: min-height var(--dur) var(--ease);
}

.site-header.is-scrolled .brandbar {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}
.site-header.is-scrolled .navbar__inner { min-height: 58px; }

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand__mark {
  position: relative;
  width: 28px;
  height: 30px;
  background: var(--grad-flame);
  clip-path: polygon(50% 0, 100% 26%, 100% 74%, 50% 100%, 0 74%, 0 26%);
  flex: 0 0 auto;
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: var(--ink);
  clip-path: polygon(50% 0, 100% 26%, 100% 74%, 50% 100%, 0 74%, 0 26%);
}

.brand__name { display: flex; flex-direction: column; gap: 2px; }
.brand__text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #fff;
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--mist);
  text-transform: uppercase;
}

/* 导航 */
.nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 26px);
  margin-left: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.3vw, 18px);
}

.nav__item { display: flex; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-soft);
  transition: color 0.2s var(--ease);
}

.nav__num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--steel);
  transition: color 0.2s var(--ease);
}

.nav__link:hover { color: #fff; }
.nav__link:hover .nav__num { color: var(--volt); }
.nav__link:focus-visible { outline-offset: 1px; }

.nav__link[aria-current="page"] { color: #fff; }
.nav__link[aria-current="page"] .nav__num { color: var(--flame); }
.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 3px;
  background: var(--grad-flame);
  transform: skewX(-24deg);
}

/* 头部 CTA */
.nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #10060A;
  background: var(--grad-flame);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: filter 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav__cta:hover { filter: brightness(1.14); transform: translateY(-2px); }
.nav__cta:focus-visible { outline: none; box-shadow: inset 0 0 0 3px var(--volt); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 10px 14px;
  border: 1px solid var(--steel);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.nav-toggle:hover { border-color: var(--flame); color: #fff; }

.nav-toggle__bars { position: relative; width: 20px; height: 12px; flex: 0 0 auto; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--flame);
  transition: top 0.26s var(--ease), transform 0.26s var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 10px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 5px; transform: rotate(-45deg); }

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  transform-origin: 0 50%;
  transform: scaleX(var(--p, 0));
  background: var(--grad-progress);
}

/* ---------- 07 Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: transform 0.2s var(--ease), filter 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.btn--primary { background: var(--grad-flame); color: #10060A; }
.btn--primary:hover { filter: brightness(1.12); transform: translateY(-2px); }

.btn--ghost {
  color: var(--text-soft);
  background: rgba(47, 210, 255, 0.05);
  border: 1px solid var(--steel);
}
.btn--ghost:hover { color: #fff; border-color: var(--volt); transform: translateY(-2px); }

.btn:focus-visible { outline: none; box-shadow: inset 0 0 0 3px var(--volt); }

/* ---------- 08 Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 20px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}
.breadcrumb a { color: var(--volt); }
.breadcrumb a:hover { text-decoration: underline; text-underline-offset: 4px; }
.breadcrumb__sep { color: var(--steel); }

/* ---------- 09 Prose ---------- */
.prose {
  max-width: 74ch;
  font-size: 17px;
  line-height: 1.78;
  color: #CBD3E0;
}
.prose > * + * { margin-top: 1.05em; }
.prose h2 {
  font-size: clamp(24px, 2.6vw, 34px);
  margin-top: 1.9em;
  color: #fff;
}
.prose h3 { font-size: 20px; margin-top: 1.6em; color: #fff; }
.prose a {
  color: var(--volt);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
.prose a:hover { color: var(--neon); }
.prose ul { list-style: none; }
.prose ul li { position: relative; padding-left: 22px; margin-top: 0.5em; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--flame);
  transform: skewX(-24deg);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 2px 7px;
  color: var(--volt);
  background: rgba(47, 210, 255, 0.08);
  border: 1px solid rgba(47, 210, 255, 0.18);
}
.prose blockquote {
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--flame);
  color: var(--mist);
}

/* ---------- 10 Paper zone ---------- */
.paper-zone {
  background: var(--paper);
  color: var(--paper-body);
  padding: clamp(48px, 7vw, 104px) 0;
}
.paper-zone h1,
.paper-zone h2,
.paper-zone h3,
.paper-zone .display { color: var(--paper-ink); }
.paper-zone .prose { color: var(--paper-body); }
.paper-zone .prose h2,
.paper-zone .prose h3 { color: var(--paper-ink); }
.paper-zone .prose a { color: var(--paper-accent); }
.paper-zone .prose code {
  color: var(--paper-accent);
  background: rgba(27, 58, 140, 0.08);
  border-color: rgba(27, 58, 140, 0.2);
}
.paper-zone .eyebrow { color: var(--paper-accent); }
.paper-zone .eyebrow::before { background: var(--paper-accent); }
.paper-zone .annot { color: #5A6273; }
.paper-zone .stat__num { color: var(--paper-ink); }
.paper-zone .stat__label { color: #5A6273; }

/* ---------- 11 Panels / stats / chips ---------- */
.panel {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: clamp(20px, 2.4vw, 32px);
}

.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.panel--edge { padding-left: clamp(24px, 2.8vw, 38px); }
.panel--edge::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-flame);
}

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}
.stat__num--flame { color: var(--flame); }
.stat__num--volt { color: var(--volt); }
.stat__label {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--volt);
  background: rgba(47, 210, 255, 0.08);
  border: 1px solid rgba(47, 210, 255, 0.26);
}
.chip--flame { color: var(--flame); background: rgba(255, 106, 26, 0.1); border-color: rgba(255, 106, 26, 0.3); }
.chip--neon { color: var(--neon); background: rgba(53, 224, 161, 0.1); border-color: rgba(53, 224, 161, 0.3); }

/* ---------- 12 Annotation system ---------- */
.annot {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
  text-transform: uppercase;
}
.annot--flame { color: var(--flame); }
.annot--vertical {
  writing-mode: vertical-rl;
  letter-spacing: 0.24em;
  text-orientation: mixed;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--flame);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--flame);
  transform: skewX(-24deg);
}

/* ---------- 13 Media frames ---------- */
.media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-3);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.media-frame__img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: linear-gradient(140deg, #1B2230, #0A0C11);
}

.media-frame--wide .media-frame__img { aspect-ratio: 21 / 9; }
.media-frame--tall .media-frame__img { aspect-ratio: 4 / 5; }
.media-frame--square .media-frame__img { aspect-ratio: 1 / 1; }

.media-frame__placeholder {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
  background:
    repeating-linear-gradient(135deg, rgba(151, 162, 184, 0.06) 0 2px, transparent 2px 12px),
    linear-gradient(140deg, #1A2130, #0D1118);
}

.media-frame__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  background: linear-gradient(180deg, transparent 0%, rgba(47, 210, 255, 0.16) 50%, transparent 100%);
}

.media-frame__tag {
  position: absolute;
  top: 0;
  left: 0;
  padding: 8px 14px;
  background: var(--flame);
  color: #10060A;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 8, 12, 0.94) 100%);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-soft);
}

.frame-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--steel);
  border: 1px solid var(--line);
}
.frame-strip__cell {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(160deg, #1A2130, #0D1118);
}
.frame-strip__cell::after {
  content: attr(data-frame);
  position: absolute;
  left: 7px;
  bottom: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 14 Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.62s var(--ease), transform 0.62s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 15 Footer ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--ink-4);
  border-top: 1px solid var(--line-strong);
  color: var(--mist);
  padding-top: clamp(24px, 4vw, 48px);
}

.footer__glow {
  position: absolute;
  right: -8%;
  bottom: -140px;
  width: min(720px, 88vw);
  height: 420px;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(255, 106, 26, 0.22), rgba(226, 58, 30, 0.08) 55%, transparent 78%);
}

.site-footer > .shell { position: relative; z-index: 1; }

.footer__top {
  display: grid;
  grid-template-columns: minmax(260px, 1.05fr) 2fr;
  gap: clamp(32px, 5vw, 76px);
  padding-bottom: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}

.footer__brand { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }

.footer__tag {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 28ch;
}

.footer__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.footer__actions .btn { padding: 12px 20px; font-size: 14px; }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
}

.footer__title {
  position: relative;
  margin-bottom: 18px;
  padding-left: 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: #fff;
}
.footer__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 8px;
  height: 14px;
  background: var(--grad-flame);
  transform: skewX(-20deg);
}

.footer__list { display: flex; flex-direction: column; gap: 11px; }
.footer__list li { font-size: 14.5px; line-height: 1.5; }
.footer__list a {
  position: relative;
  color: var(--text-soft);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}
.footer__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--flame);
  transform: translateY(-50%);
  transition: width 0.22s var(--ease);
}
.footer__list a:hover { color: #fff; padding-left: 16px; }
.footer__list a:hover::before { width: 10px; }
.footer__list--plain span { color: var(--mist); }

.footer__contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 3vw, 40px);
  background: var(--steel);
  border: 1px solid var(--line);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  padding: 20px 22px;
  background: #0B0E14;
}

.contact-item__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--flame);
  text-transform: uppercase;
}

.contact-item__value {
  font-size: 15px;
  line-height: 1.55;
  color: #fff;
  word-break: break-word;
}
.contact-item__value--sm { font-family: var(--font-body); font-weight: 400; color: var(--text-soft); }

.copy-btn {
  margin-top: 2px;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--volt);
  background: rgba(47, 210, 255, 0.07);
  border: 1px solid rgba(47, 210, 255, 0.34);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.copy-btn:hover { background: rgba(47, 210, 255, 0.18); color: #fff; }
.copy-btn.is-done {
  color: var(--neon);
  border-color: rgba(53, 224, 161, 0.5);
  background: rgba(53, 224, 161, 0.14);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  padding: 22px 0 30px;
  font-size: 13px;
  color: var(--mist);
}

.footer__addr { max-width: 52ch; line-height: 1.6; }
.footer__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.footer__copy { color: var(--text-soft); }
.footer__icp { font-size: 12px; letter-spacing: 0.06em; color: var(--mist); }

/* ---------- 16 Responsive ---------- */
@media (max-width: 1080px) {
  .brandbar__lede { display: none; }
  .brandbar__inner { justify-content: flex-start; }
}

@media (max-width: 1000px) {
  html { scroll-padding-top: 96px; }

  .nav-toggle { display: inline-flex; }

  .nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px var(--gut) 34px;
    max-height: calc(100vh - 96px);
    max-height: calc(100dvh - 96px);
    overflow-y: auto;
    background: linear-gradient(180deg, #0A0C11 0%, #12161F 100%);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line-strong);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s var(--ease);
  }

  .nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__item { border-bottom: 1px solid var(--line); }
  .nav__link {
    width: 100%;
    padding: 18px 0;
    font-size: 19px;
    font-weight: 700;
    color: var(--text-soft);
  }
  .nav__num { font-size: 12px; color: var(--steel); }
  .nav__link[aria-current="page"] { color: var(--flame); }
  .nav__link[aria-current="page"] .nav__num { color: var(--flame); }
  .nav__link[aria-current="page"]::after { display: none; }

  .nav__cta { margin-top: 26px; width: 100%; padding: 16px; }

  .footer__top { grid-template-columns: 1fr; }
  .footer__contact { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .brandbar__inner { min-height: 40px; font-size: 11.5px; letter-spacing: 0.05em; }
  .brandbar__meta { font-size: 10.5px; }
  .navbar__inner { min-height: 62px; gap: 12px; }
  .brand__text { font-size: 18px; }
  .brand__sub { display: none; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
  .footer__legal { flex-direction: column; align-items: flex-start; }
  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 721px) and (max-width: 1080px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 420px) {
  .footer__cols { grid-template-columns: 1fr; }
}

/* ---------- 17 Reduced motion ---------- */
@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;
  }

  [data-reveal] { opacity: 1; transform: none; }
  .brandbar__pulse { animation: none; }
}