/* =========================================================
   天津朝发网络技术有限公司 · 站点 B
   风格：暗黑实验室 / 酸性绿 / 等宽标注 / 3D 立方体
   ========================================================= */

:root {
  --bg: #050506;
  --bg-2: #0a0b0c;
  --surface: #0e1012;
  --acid: #c9ff2f;
  --acid-dim: rgba(201, 255, 47, 0.35);
  --ink: #f2f3ef;
  --mute: #8b8f87;
  --line: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.06);

  --display: "Space Grotesk", "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --wrap: 1320px;
  --gutter: clamp(18px, 3.4vw, 52px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, li { margin: 0; }
ul { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--acid); color: #050506; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------------- HEADER ---------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(5, 5, 6, 0.78);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--line);
}

.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 34px; height: 34px;
  color: var(--acid);
  transition: transform 0.6s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-8deg); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.brand-text i {
  font-family: var(--mono);
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--mute);
  margin-top: 2px;
}

.nav { display: flex; gap: clamp(14px, 2.4vw, 36px); }
.nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  color: rgba(242, 243, 239, 0.72);
  transition: color 0.25s;
}
.nav a em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 9px;
  color: var(--acid);
  opacity: 0.7;
}
.nav a:hover { color: var(--acid); }

.header-right { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  padding: 0 22px;
  font-family: var(--display);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease),
              border-color 0.3s var(--ease), transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
}
.btn svg { width: 17px; height: 17px; transition: transform 0.35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-acid { background: var(--acid); color: #050506; }
.btn-acid:hover {
  box-shadow: 0 0 0 1px var(--acid), 0 12px 40px -8px rgba(201, 255, 47, 0.5);
  transform: translateY(-2px);
}
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--acid); color: var(--acid); }

.menu-btn {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  position: relative;
}
.menu-btn span {
  position: absolute;
  left: 12px;
  width: 17px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.35s var(--ease);
}
.menu-btn span:nth-child(1) { top: 18px; }
.menu-btn span:nth-child(2) { top: 24px; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 89;
  background: #050506;
  padding: 100px var(--gutter) 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--display);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.mobile-menu nav a em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 10px;
  color: var(--acid);
}
.mm-foot { display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: 13px; }
.mm-foot a { color: var(--acid); font-size: 20px; }
.mm-foot span { color: var(--mute); }

/* ---------------- HERO ---------------- */

.hero {
  position: relative;
  padding-top: 80px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -22%;
  right: -12%;
  width: 62vw;
  height: 62vw;
  background: radial-gradient(circle, rgba(201, 255, 47, 0.13) 0%, rgba(201, 255, 47, 0.03) 42%, transparent 68%);
  pointer-events: none;
  filter: blur(10px);
}
.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 25% 100%, 100% 160px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 40%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse at 30% 40%, #000 0%, transparent 78%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(20px, 4vw, 60px);
  align-items: center;
  padding-top: clamp(28px, 5vw, 60px);
  padding-bottom: clamp(20px, 3vw, 40px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--mute);
  text-transform: uppercase;
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 12px 2px rgba(201, 255, 47, 0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

.hero-title {
  margin: clamp(18px, 2.6vw, 34px) 0 0;
  font-family: var(--display);
  font-size: clamp(50px, 8.4vw, 122px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.045em;
}
.hero-title .l { display: block; }
.hero-title em {
  font-style: normal;
  color: var(--acid);
  position: relative;
}
.hero-title em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.06em;
  height: 0.06em;
  background: var(--acid);
  opacity: 0.35;
}

.hero-lede {
  margin-top: clamp(20px, 2.6vw, 32px);
  max-width: 34em;
  font-size: clamp(14px, 1.25vw, 17px);
  line-height: 1.85;
  color: rgba(242, 243, 239, 0.66);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3.4vw, 42px);
}

/* cube */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  transition: transform 0.6s var(--ease);
}
.cube-stage {
  width: 240px;
  height: 240px;
  perspective: 1200px;
  position: relative;
  z-index: 2;
}
.cube {
  position: relative;
  width: 240px;
  height: 240px;
  transform-style: preserve-3d;
  animation: spin 30s linear infinite;
}
@keyframes spin {
  from { transform: rotateX(-16deg) rotateY(0deg); }
  to { transform: rotateX(-16deg) rotateY(360deg); }
}
.face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--acid-dim);
  background:
    linear-gradient(150deg, rgba(201, 255, 47, 0.10), rgba(5, 5, 6, 0.9) 62%);
  box-shadow: inset 0 0 40px rgba(201, 255, 47, 0.08);
  backface-visibility: hidden;
}
.face b {
  font-family: var(--mono);
  font-size: 44px;
  font-weight: 500;
  color: var(--acid);
  line-height: 1;
  letter-spacing: -0.02em;
}
.face span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: rgba(242, 243, 239, 0.55);
  padding-left: 0.32em;
}
.front  { transform: translateZ(120px); }
.back   { transform: rotateY(180deg) translateZ(120px); }
.right  { transform: rotateY(90deg) translateZ(120px); }
.left   { transform: rotateY(-90deg) translateZ(120px); }
.top    { transform: rotateX(90deg) translateZ(120px); }
.bottom { transform: rotateX(-90deg) translateZ(120px); }

.cube-ring {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px dashed rgba(201, 255, 47, 0.22);
  border-radius: 50%;
  animation: spinRing 40s linear infinite;
}
@keyframes spinRing {
  to { transform: rotate(360deg); }
}
.cube-caption {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mute);
  white-space: nowrap;
}
.cube-caption span + span { color: var(--acid); opacity: 0.7; }

/* hero strip */
.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 20px;
  align-items: end;
  padding: 22px 0 30px;
  border-top: 1px solid var(--line);
}
.strip-item { display: flex; flex-direction: column; gap: 2px; }
.strip-item > span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: var(--mute);
  text-transform: uppercase;
}
.strip-item b {
  font-family: var(--display);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.strip-item b em {
  font-style: normal;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--mute);
  margin-left: 3px;
  letter-spacing: 0.06em;
}
.strip-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mute);
  padding-bottom: 6px;
}
.strip-note svg { width: 14px; height: 14px; color: var(--acid); animation: nudge 2s ease-in-out infinite; }
@keyframes nudge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* ---------------- MARQUEE ---------------- */

.marquee {
  overflow: hidden;
  padding: 22px 0;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 26px;
  width: max-content;
  animation: marq 46s linear infinite;
  font-family: var(--display);
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 243, 239, 0.28);
  white-space: nowrap;
}
.marquee-track i {
  font-style: normal;
  color: var(--acid);
  -webkit-text-stroke: 0;
  font-size: 0.5em;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marq {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------------- SECTION BASE ---------------- */

.section { padding: clamp(64px, 8vw, 130px) 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }

.sec-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--mute);
  text-transform: uppercase;
}
.sec-label i {
  width: 22px; height: 1px;
  background: var(--acid);
  display: block;
}

.sec-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.sec-title {
  margin-top: 4px;
  font-family: var(--display);
  font-size: clamp(30px, 4.4vw, 62px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
  max-width: 20em;
}
.sec-desc {
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 243, 239, 0.6);
}

/* ---------------- PRODUCTS ---------------- */

.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: clamp(34px, 4.6vw, 60px);
}
.prod-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 2.4vw, 34px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.006));
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease),
              background 0.4s var(--ease), box-shadow 0.4s var(--ease);
  overflow: hidden;
}
.prod-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--acid), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.prod-card:hover {
  border-color: rgba(201, 255, 47, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 30px 70px -30px rgba(201, 255, 47, 0.28);
  background: linear-gradient(180deg, rgba(201, 255, 47, 0.05), rgba(255, 255, 255, 0.01));
}
.prod-card:hover::before { opacity: 1; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mute);
}
.card-idx { color: var(--acid); }
.card-icon {
  width: 56px; height: 56px;
  margin: 26px 0 18px;
  color: var(--acid);
  transition: transform 0.5s var(--ease);
}
.prod-card:hover .card-icon { transform: translateY(-2px) rotate(-4deg); }
.card-icon svg { width: 100%; height: 100%; }

.prod-card h3 {
  font-family: var(--display);
  font-size: clamp(20px, 1.9vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.card-desc {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 243, 239, 0.58);
  min-height: 3.6em;
}
.card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 26px;
}
.card-list li {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: rgba(242, 243, 239, 0.72);
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.prod-card:hover .card-list li { border-color: rgba(201, 255, 47, 0.24); color: rgba(242, 243, 239, 0.9); }

.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
  transition: color 0.3s;
}
.card-link svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease); }
.prod-card:hover .card-link { color: var(--acid); }
.prod-card:hover .card-link svg { transform: translate(3px, -3px); }

/* ---------------- CAPABILITY ---------------- */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
  margin-top: clamp(36px, 5vw, 64px);
}
.cap-item { position: relative; padding-top: 26px; border-top: 1px solid var(--line); }
.cap-item::after {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--acid);
  transition: width 0.6s var(--ease);
}
.cap-item:hover::after { width: 100%; }
.cap-item svg {
  width: 34px; height: 34px;
  color: var(--acid);
  margin-bottom: 22px;
  transition: transform 0.5s var(--ease);
}
.cap-item:hover svg { transform: translateY(-3px); }
.cap-item h3 {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cap-item p {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.85;
  color: rgba(242, 243, 239, 0.55);
}

/* ---------------- NUMBERS ---------------- */

.numbers { border-top: 0; }

section[id] { scroll-margin-top: 90px; }
.num-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(26px, 3vw, 44px);
}
.num-item {
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.num-item b {
  font-family: var(--display);
  font-size: clamp(44px, 6vw, 92px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05em;
}
.num-item b em { font-style: normal; font-size: 0.34em; color: var(--acid); }
.num-item span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mute);
}
.num-note {
  margin-top: clamp(26px, 3.4vw, 44px);
  font-size: 14px;
  color: rgba(242, 243, 239, 0.5);
  max-width: 32em;
}

/* ---------------- ABOUT ---------------- */

.about-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(28px, 6vw, 96px);
}
.about-left { position: sticky; top: 110px; align-self: start; }
.about-text {
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(242, 243, 239, 0.6);
  max-width: 34em;
}
.about-facts { margin-top: 34px; border-top: 1px solid var(--line); }
.about-facts > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
}
.about-facts span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--mute);
  text-transform: uppercase;
}
.about-facts b { font-size: 13.5px; font-weight: 400; line-height: 1.7; }

.timeline { border-left: 1px solid var(--line); padding-left: clamp(20px, 3vw, 40px); }
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 18px;
  padding: 0 0 34px;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(20px, 3vw, 40px) - 4px);
  top: 8px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--acid);
  transition: background 0.3s, box-shadow 0.3s;
}
.tl-item:hover::before {
  background: var(--acid);
  box-shadow: 0 0 14px 2px rgba(201, 255, 47, 0.45);
}
.tl-year {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--acid);
  padding-top: 3px;
}
.tl-item h3 {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.tl-item p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(242, 243, 239, 0.5);
}

/* ---------------- CONTACT ---------------- */

.contact {
  background: var(--acid);
  color: #050506;
  padding: clamp(64px, 8vw, 120px) 0;
}
.contact .sec-label { color: rgba(5, 5, 6, 0.55); }
.contact .sec-label i { background: #050506; }
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}
.contact-left h2 {
  margin-top: 16px;
  font-family: var(--display);
  font-size: clamp(40px, 6.4vw, 92px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.045em;
}
.contact-left p {
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(5, 5, 6, 0.62);
  max-width: 26em;
}
.contact-right { display: flex; flex-direction: column; }
.contact-right > * {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(5, 5, 6, 0.18);
  transition: padding-left 0.35s var(--ease);
}
.contact-right > *:first-child { border-top: 1px solid rgba(5, 5, 6, 0.18); }
.contact-right > *:hover { padding-left: 10px; }
.contact-right span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(5, 5, 6, 0.5);
}
.contact-right b {
  font-family: var(--display);
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.3;
}
.contact-addr b { font-size: clamp(15px, 1.5vw, 18px); line-height: 1.6; letter-spacing: 0; font-weight: 500; }

/* ---------------- FOOTER ---------------- */

.site-footer {
  background: var(--bg);
  padding: clamp(40px, 5vw, 64px) 0 28px;
  color: var(--mute);
  border-top: 1px solid var(--line-2);
}
.foot-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-2);
}
.foot-brand { display: flex; align-items: center; gap: 14px; }
.foot-brand svg { width: 32px; height: 32px; color: var(--acid); flex: none; }
.foot-brand div { display: flex; flex-direction: column; gap: 4px; }
.foot-brand b { color: var(--ink); font-size: 15px; font-weight: 500; }
.foot-brand span { font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.14em; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 12.5px; }
.foot-nav a { transition: color 0.25s; }
.foot-nav a:hover { color: var(--acid); }
.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 20px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
}
.foot-lic { display: flex; gap: 10px; align-items: center; }
.foot-lic i { font-style: normal; opacity: 0.4; }
.foot-lic a:hover { color: var(--acid); }

/* ---------------- REVEAL ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.hero-title .l:nth-child(1) { transition-delay: 0.06s; }
.hero-title .l:nth-child(2) { transition-delay: 0.14s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cube, .cube-ring, .marquee-track, .dot, .strip-note svg { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------------- RESPONSIVE ---------------- */

@media (max-width: 1100px) {
  .nav { display: none; }
  .menu-btn { display: block; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { min-height: 380px; margin-top: 10px; order: 2; }
  .prod-grid { grid-template-columns: 1fr 1fr; }
  .cap-grid { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .about-wrap { grid-template-columns: 1fr; }
  .about-left { position: static; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .header-inner { height: 66px; }
  .hero { padding-top: 66px; min-height: auto; }
  .header-right .btn { display: none; }
  .brand-text b { font-size: 14px; }

  .hero-title { font-size: clamp(42px, 13vw, 64px); }
  .hero-visual { min-height: 320px; }
  .cube-stage, .cube { width: 168px; height: 168px; }
  .face b { font-size: 30px; }
  .face span { font-size: 8px; }
  .front  { transform: translateZ(84px); }
  .back   { transform: rotateY(180deg) translateZ(84px); }
  .right  { transform: rotateY(90deg) translateZ(84px); }
  .left   { transform: rotateY(-90deg) translateZ(84px); }
  .top    { transform: rotateX(90deg) translateZ(84px); }
  .bottom { transform: rotateX(-90deg) translateZ(84px); }
  .cube-ring { width: 250px; height: 250px; }

  .hero-strip { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
  .strip-note { display: none; }

  .prod-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; row-gap: 30px; }
  .num-grid { grid-template-columns: 1fr 1fr; row-gap: 26px; }

  .timeline { padding-left: 22px; }
  .tl-item { grid-template-columns: 52px minmax(0, 1fr); gap: 10px; }
  .tl-item::before { left: -26px; }

  .contact-right b { font-size: 20px; }
  .foot-top { flex-direction: column; }
  .foot-bottom { flex-direction: column; }
}