:root {
  --ink: #0a0a0b;
  --ink-2: #131316;
  --ink-3: #1c1c20;
  --line: #2a2a2f;
  --line-2: #3a3a40;
  --paper: #f4f3ef;
  --paper-2: #e6e4dc;
  --text: #ededed;
  --text-dim: #9a9a9f;
  --text-mute: #6a6a70;
  --brand: #e0211e;
  --br20: #2dd4d0;
  --br20-deep: #0b6a68;
  --br40: #ef2b2b;
  --br40-deep: #7a0d0d;
  --br80: #d942b0;
  --br80-deep: #6e1a55;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Manrope', system-ui, sans-serif;
  background: var(--ink);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }

.mono { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.02em; }
.display {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  text-transform: uppercase;
}

/* --- NAV ------------------------------------------------------ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 26px; filter: brightness(0) invert(1); }
.nav-logo .v {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-mute);
  border-left: 1px solid var(--line);
  padding-left: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.nav-links a:hover {
  color: var(--text);
  background: var(--ink-3);
  border-color: var(--line);
}
.nav-links .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.nav-links a[href="#br20"] .dot { background: var(--br20); }
.nav-links a[href="#br40"] .dot { background: var(--br40); }
.nav-links a[href="#br80"] .dot { background: var(--br80); }

/* --- HERO ----------------------------------------------------- */
.hero {
  position: relative;
  padding: 80px 32px 60px;
  max-width: 1320px;
  margin: 0 auto;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: end;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--brand);
}
.hero-title {
  font-size: 5rem;
}
.hero-title em {
  font-style: normal;
  color: var(--brand);
}
.hero-sub {
  margin-top: 28px;
  max-width: 480px;
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.6;
}
.hero-meta {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-meta div { font-family: 'JetBrains Mono', monospace; }
.hero-meta .k {
  display: block;
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.hero-meta .v {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

/* hero lineup */
.hero-lineup {
  position: relative;
  height: 540px;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 24px;
}
.hero-lineup .lineup-can {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.hero-lineup .lineup-can img {
  height: 100%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,0.6));
}
.hero-lineup .halo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 240px 360px at 25% 60%, rgba(45,212,208,0.18), transparent 70%),
    radial-gradient(ellipse 260px 380px at 50% 50%, rgba(239,43,43,0.22), transparent 70%),
    radial-gradient(ellipse 240px 360px at 75% 60%, rgba(217,66,176,0.18), transparent 70%);
  z-index: 0;
}

/* --- SECTION SCAFFOLD ----------------------------------------- */
.product {
  position: relative;
  padding: 120px 32px;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.product-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 80px;
  align-items: start;
}
.product-media {
  position: sticky;
  top: 100px;
  height: 720px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-media .stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-media .stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 60%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.product-media img {
  position: relative;
  max-height: 100%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 40px 50px rgba(0,0,0,0.7));
}
.product-media .ghost-num {
  position: absolute;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 460px;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent-line);
  opacity: 0.5;
  z-index: 0;
  user-select: none;
  letter-spacing: -0.04em;
}

/* product content */
.product-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.product-tag .pip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.product-name {
  font-size: clamp(64px, 9vw, 128px);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.product-name .br { color: var(--text); }
.product-name .nm { color: var(--accent); }
.product-kind {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-top: 8px;
}
.product-slogan {
  margin-top: 24px;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  max-width: 520px;
}
.product-slogan span { color: var(--accent); }
.product-desc {
  margin-top: 20px;
  font-size: 16px;
  color: var(--text-dim);
  max-width: 580px;
  line-height: 1.65;
}

/* functions chip grid */
.functions {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.functions .fn {
  background: var(--ink-2);
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: background 0.2s;
}
.functions .fn:hover { background: var(--ink-3); }
.functions .fn .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}
.functions .fn .lbl {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--text);
}
.functions .fn .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* detail blocks */
.details {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
}
.detail h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--accent-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.detail h4 .ix {
  color: var(--text-mute);
  font-weight: 400;
}
.detail p {
  font-size: 14.5px;
  color: var(--text-dim);
  line-height: 1.65;
}
.detail.full { grid-column: 1 / -1; }

/* spec table */
.specs {
  margin-top: 48px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.specs-row {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 24px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.specs-row:last-child { border-bottom: none; }
.specs-row .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.specs-row .v {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}
.specs-row .v.mono {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}
.specs-row .badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--accent-bg);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* product accent vars */
#br20 {
  --accent: var(--br20);
  --accent-line: rgba(45, 212, 208, 0.3);
  --accent-bg: rgba(45, 212, 208, 0.1);
  --accent-glow: rgba(45, 212, 208, 0.18);
}
#br40 {
  --accent: var(--br40);
  --accent-line: rgba(239, 43, 43, 0.35);
  --accent-bg: rgba(239, 43, 43, 0.1);
  --accent-glow: rgba(239, 43, 43, 0.2);
}
#br80 {
  --accent: var(--br80);
  --accent-line: rgba(217, 66, 176, 0.3);
  --accent-bg: rgba(217, 66, 176, 0.1);
  --accent-glow: rgba(217, 66, 176, 0.18);
}

#br40 {
  background: linear-gradient(180deg, var(--ink) 0%, #0d0a0b 50%, var(--ink) 100%);
}

.product::before {
  content: attr(data-label);
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  padding: 6px 16px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--ink);
}

/* --- SAFETY --------------------------------------------------- */
.safety {
  position: relative;
  padding: 100px 32px;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}
.safety-inner {
  max-width: 1320px;
  margin: 0 auto;
}
.safety-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
  margin-bottom: 60px;
}
.safety-head h2 { font-size: clamp(48px, 6vw, 80px); }
.safety-head h2 .accent { color: #ffb800; }
.safety-head p {
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.65;
  margin-top: 12px;
}
.safety-symbols {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.safety-symbols .sym {
  width: 56px;
  height: 56px;
  background: #ffb800;
  color: #1a1102;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 28px;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}
.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.safety-item {
  background: var(--ink);
  padding: 28px;
  display: flex;
  gap: 20px;
}
.safety-item .ix {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #ffb800;
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 30px;
}
.safety-item p {
  font-size: 14.5px;
  color: var(--text-dim);
  line-height: 1.6;
}
.safety-emergency {
  margin-top: 40px;
  padding: 32px;
  border: 1px solid #ffb80055;
  background: linear-gradient(135deg, rgba(255,184,0,0.05), transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.safety-emergency .lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #ffb800;
  margin-bottom: 6px;
}
.safety-emergency .ph {
  font-family: 'Oswald', sans-serif;
  font-size: 36px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.safety-emergency .sub {
  color: var(--text-dim);
  font-size: 14px;
}

/* --- FOOTER --------------------------------------------------- */
.footer {
  padding: 64px 32px 40px;
  background: var(--ink);
  border-top: 1px solid var(--line);
}
.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer img {
  height: 32px;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}
.footer p { color: var(--text-mute); font-size: 13.5px; line-height: 1.6; }
.footer h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 16px;
}
.footer a {
  display: block;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1320px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- NAV TOGGLE ----------------------------------------------- */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

/* --- TABLET (max 980px) --------------------------------------- */
@media (max-width: 980px) {
  /* nav */
  .nav-inner { padding: 14px 20px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 12px 16px 20px;
    background: rgba(10, 10, 11, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    z-index: 49;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: 8px; font-size: 15px; }

  /* hero */
  .hero { padding: 48px 20px 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-meta { gap: 20px; flex-wrap: wrap; }
  .hero-lineup { height: 340px; }
  .hero-lineup .halo {
    background:
      radial-gradient(ellipse 140px 200px at 25% 60%, rgba(45,212,208,0.08), transparent 80%),
      radial-gradient(ellipse 160px 220px at 50% 50%, rgba(239,43,43,0.10), transparent 80%),
      radial-gradient(ellipse 140px 200px at 75% 60%, rgba(217,66,176,0.08), transparent 80%);
  }

  /* products */
  .product { padding: 72px 20px; }
  .product-inner { grid-template-columns: 1fr; gap: 40px; }
  .product-media { position: relative; top: 0; height: 380px; }
  .product-media .ghost-num { font-size: 220px; }
  .product-name { font-size: clamp(56px, 14vw, 88px); }
  .functions { grid-template-columns: repeat(2, 1fr); }
  .details { grid-template-columns: 1fr; }
  .specs-row { grid-template-columns: 1fr; gap: 4px; }
  .specs-row .badge { justify-self: start; }

  /* safety */
  .safety { padding: 72px 20px; }
  .safety-head { grid-template-columns: 1fr; gap: 20px; }
  .safety-grid { grid-template-columns: 1fr; }
  .safety-emergency { flex-direction: column; align-items: flex-start; gap: 20px; }

  /* footer */
  .footer { padding: 48px 20px 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}

/* --- MOBILE (max 600px) --------------------------------------- */
@media (max-width: 600px) {
  /* nav */
  .nav-logo .v { display: none; }

  /* hero */
  .hero { padding: 36px 16px 32px; }
  .hero-eyebrow { font-size: 10px; margin-bottom: 20px; }
  .hero-title { font-size: clamp(36px, 11vw, 56px); }
  .hero-sub { font-size: 15px; margin-top: 20px; }
  .hero-meta { gap: 16px; margin-top: 32px; padding-top: 20px; }
  .hero-meta .v { font-size: 13px; }
  .hero-lineup { height: 260px; gap: 12px; }
  .hero-lineup .halo {
    background:
      radial-gradient(ellipse 100px 160px at 25% 60%, rgba(45,212,208,0.06), transparent 90%),
      radial-gradient(ellipse 120px 180px at 50% 50%, rgba(239,43,43,0.07), transparent 90%),
      radial-gradient(ellipse 100px 160px at 75% 60%, rgba(217,66,176,0.06), transparent 90%);
  }

  /* products */
  .product { padding: 56px 16px; }
  .product::before { top: 24px; font-size: 9px; }
  .product-media { height: 300px; }
  .product-media .ghost-num { font-size: 160px; }
  .product-name { font-size: clamp(48px, 16vw, 72px); }
  .product-kind { font-size: 16px; }
  .product-slogan { font-size: 18px; }
  .product-desc { font-size: 14px; }
  .functions { grid-template-columns: 1fr 1fr; }
  .functions .fn { padding: 14px 12px; }
  .functions .fn .lbl { font-size: 13px; }
  .specs-row { padding: 12px 16px; }

  /* safety */
  .safety { padding: 56px 16px; }
  .safety-head h2 { font-size: clamp(32px, 9vw, 52px); }
  .safety-item { padding: 20px 16px; }
  .safety-emergency { padding: 20px 16px; }
  .safety-emergency .ph { font-size: 28px; }

  /* footer */
  .footer { padding: 40px 16px 28px; }
}

/* --- SMALL PHONES (max 390px) --------------------------------- */
@media (max-width: 390px) {
  .hero-title { font-size: 9vw; }
  .hero-lineup { height: 220px; gap: 8px; }
  .functions { grid-template-columns: 1fr; }
  .product-media { height: 260px; }
}