/* ============================================
   Lumecx Japan™ – Global Stylesheet
   ============================================ */

:root {
  --bg: #0a0a0f;
  --bg-elev: #12131a;
  --bg-elev-2: #1a1c26;
  --line: #23252f;
  --line-strong: #2f3240;
  --fg: #f2f3f7;
  --fg-muted: #a8adbb;
  --fg-dim: #6f7484;

  --accent-blue: #7ec8e3;
  --accent-gold: #c9a84c;
  --accent-green: #6abf8e;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,.35);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.5);

  --container: 1200px;
  --gutter: 24px;

  --f-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, -apple-system, sans-serif;
  --f-display: "Montserrat", "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s ease, color .2s ease; }
a:hover { opacity: .75; }

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.25;
  margin: 0 0 .6em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.6rem); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; color: var(--fg-muted); text-wrap: pretty; }
p.lead { font-size: 1.125rem; color: var(--fg); }
.eyebrow {
  font-family: var(--f-display);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 15, .78);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 72px;
}
.brand {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .02em;
  color: var(--fg);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.brand .tm { font-size: .65rem; color: var(--accent-blue); vertical-align: top; }
.brand .by  { font-size: .72rem; color: var(--fg-dim); font-weight: 400; letter-spacing: .04em; }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav a {
  font-size: .9rem;
  color: var(--fg-muted);
  font-weight: 500;
}
.nav a:hover { color: var(--fg); opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); opacity: 1; }
.btn-primary {
  background: var(--fg);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent-blue); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--fg-muted); }
.btn-green {
  background: var(--accent-green);
  color: #08120c;
}
.btn-arrow::after {
  content: "→";
  transition: transform .2s ease;
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--fg);
  width: 40px; height: 40px;
  border-radius: 8px;
  margin-left: auto;
  align-items: center; justify-content: center;
  cursor: pointer;
}
.nav-toggle span {
  width: 18px; height: 2px; background: var(--fg); position: relative; display: block;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--fg);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

/* ---------- Sections ---------- */
section { padding: 96px 0; position: relative; }
section.tight { padding: 64px 0; }
.section-head { margin-bottom: 48px; max-width: 780px; }
.section-head p { font-size: 1.05rem; }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  padding: 140px 0 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(126, 200, 227, .12), transparent 60%),
    radial-gradient(50% 40% at 85% 70%, rgba(201, 168, 76, .08), transparent 60%);
  z-index: -1;
}
.hero .grid-lines {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.hero h1 { max-width: 18ch; }
.hero .sub { max-width: 44ch; color: var(--fg-muted); font-size: 1.15rem; margin-bottom: 40px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- About / stats ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}
.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  background: var(--bg-elev);
  display: flex; flex-direction: column; gap: 6px;
}
.stat .num {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -.01em;
  color: var(--accent-blue);
  line-height: 1;
}
.stat.green .num { color: var(--accent-green); }
.stat.gold .num  { color: var(--accent-gold); }
.stat .label { font-family: var(--f-display); color: var(--fg); font-weight: 600; font-size: .95rem; }
.stat .desc  { font-size: .82rem; color: var(--fg-muted); margin: 0; }

/* ---------- Brand cards ---------- */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.brand-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  background: linear-gradient(180deg, var(--bg-elev), var(--bg));
  overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
  display: flex; flex-direction: column;
}
.brand-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.brand-card .badge {
  align-self: flex-start;
  font-family: var(--f-display);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  margin-bottom: 20px;
  font-weight: 600;
}
.brand-card.apple .badge {
  border-color: var(--accent-green);
  color: var(--accent-green);
}
.brand-card h3 { font-size: 1.6rem; margin-bottom: 12px; }
.brand-card p { flex-grow: 1; }
.brand-card .card-link {
  font-family: var(--f-display);
  font-weight: 600;
  color: var(--fg);
  font-size: .9rem;
  margin-top: 20px;
  display: inline-flex; align-items: center; gap: 8px;
}
.brand-card .card-link::after { content: "→"; transition: transform .2s; }
.brand-card:hover .card-link::after { transform: translateX(4px); }
.brand-card.apple {
  background:
    linear-gradient(180deg, rgba(106,191,142,.10), rgba(106,191,142,.02) 60%, var(--bg));
  border-color: rgba(106,191,142,.35);
}
.brand-card.apple::after {
  content: "🍏";
  position: absolute;
  right: -20px; bottom: -30px;
  font-size: 180px;
  opacity: .06;
  transform: rotate(-10deg);
  pointer-events: none;
}

/* ---------- Products preview grid ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 24px;
  display: flex; flex-direction: column;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
  overflow: hidden;
}
.product-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  background: var(--bg-elev-2);
}
/* Product card visual header (no photo — schematic mark) */
.product-card .visual {
  height: 160px;
  border-radius: 10px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(126,200,227,.10), transparent 65%),
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev));
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card.apple .visual {
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(106,191,142,.16), transparent 65%),
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev));
}
.product-card .visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.product-card .visual .mark {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -.02em;
  color: var(--fg);
  position: relative;
  z-index: 1;
  opacity: .92;
}
.product-card.apple .visual .mark { color: var(--accent-green); }
.product-card .visual .mark-sub {
  position: relative; z-index: 1;
  font-family: var(--f-display);
  font-size: .7rem;
  color: var(--fg-dim);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-top: 6px;
  text-align: center;
}
.product-card .visual .mark-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}

/* Chips for treatment modalities */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 4px;
}
.chip {
  font-family: var(--f-display);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 4px 9px;
  border-radius: 4px;
  background: rgba(126,200,227,.10);
  color: var(--accent-blue);
  border: 1px solid rgba(126,200,227,.28);
  text-transform: uppercase;
  white-space: nowrap;
}
.chip.green {
  background: rgba(106,191,142,.10);
  color: var(--accent-green);
  border-color: rgba(106,191,142,.35);
}
.chip.gold {
  background: rgba(201,168,76,.10);
  color: var(--accent-gold);
  border-color: rgba(201,168,76,.35);
}
.chip.plain {
  background: transparent;
  color: var(--fg-muted);
  border-color: var(--line-strong);
}
.product-card .brand-tag {
  font-family: var(--f-display);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 8px;
}
.product-card.apple .brand-tag { color: var(--accent-green); }
.product-card h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}
.product-card .catch { font-size: .95rem; color: var(--fg-muted); margin: 0; }
.product-card .link {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .85rem;
  margin-top: 20px;
  color: var(--fg);
  display: inline-flex; align-items: center; gap: 6px;
}
.product-card .link::after { content: "→"; transition: transform .2s; }
.product-card:hover .link::after { transform: translateX(3px); }

.apple-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-green);
  color: #08120c;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}

/* ---------- Support flow ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step;
}
.flow-step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 24px 20px;
  position: relative;
}
.flow-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--f-display);
  font-size: .85rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: .12em;
  display: block;
  margin-bottom: 12px;
}
.flow-step h4 { font-size: 1rem; margin: 0 0 6px; }
.flow-step p  { font-size: .85rem; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(ellipse at 20% 30%, rgba(126,200,227,.10), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(201,168,76,.08), transparent 55%),
    var(--bg-elev);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band p  { max-width: 46ch; margin: 0 auto 28px; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 48px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--fg-dim);
  font-size: .85rem;
}
.footer-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--fg-muted); }
.footer-links a:hover { color: var(--fg); opacity: 1; }
.site-footer .powered { color: var(--fg-dim); }
.site-footer .powered a { color: var(--fg-muted); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding: 24px 0 0;
  font-size: .82rem;
  color: var(--fg-dim);
}
.breadcrumb a { color: var(--fg-muted); }
.breadcrumb a:hover { color: var(--fg); opacity: 1; }
.breadcrumb .sep { margin: 0 8px; opacity: .5; }

/* ---------- Product HERO ---------- */
.product-hero {
  padding: 60px 0 80px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.product-hero .brand-tag {
  font-family: var(--f-display);
  font-size: .78rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 12px;
}
.product-hero.apple .brand-tag { color: var(--accent-green); }
.product-hero h1 { margin-bottom: 16px; }
.product-hero .sub { color: var(--fg-muted); font-size: 1.1rem; max-width: 44ch; margin-bottom: 28px; }
/* Hero visual panel (schematic — no photo) */
.product-hero .visual {
  min-height: 440px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 70% 55% at 50% 45%, rgba(126,200,227,.12), transparent 65%),
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev));
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 40px;
}
.product-hero .visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.product-hero.apple .visual {
  background:
    radial-gradient(ellipse 70% 55% at 50% 45%, rgba(106,191,142,.18), transparent 65%),
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev));
  border-color: rgba(106,191,142,.28);
}
.product-hero .visual .hero-mark {
  position: relative; z-index: 1;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  letter-spacing: -.02em;
  color: var(--fg);
  text-align: center;
  line-height: 1;
}
.product-hero.apple .visual .hero-mark { color: var(--accent-green); }
.product-hero .visual .hero-mark-sub {
  position: relative; z-index: 1;
  font-family: var(--f-display);
  font-size: .8rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-top: 14px;
  text-align: center;
}
.product-hero .visual .hero-badge {
  position: absolute;
  top: 24px; left: 24px;
  z-index: 2;
  font-family: var(--f-display);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: rgba(10,10,15,.4);
  backdrop-filter: blur(6px);
}
.product-hero .visual .hero-stats {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  z-index: 2;
  display: flex;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--f-display);
}
.product-hero .visual .hero-stat {
  flex: 1;
}
.product-hero .visual .hero-stat .k {
  font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--fg-dim);
  display: block; margin-bottom: 4px;
}
.product-hero .visual .hero-stat .v {
  font-size: .95rem; color: var(--fg); font-weight: 600;
}
.product-hero.apple .visual .hero-stat .v { color: var(--accent-green); }

/* ---------- Filter bar (products index) ---------- */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-btn {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--fg-muted);
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--f-display);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.filter-btn:hover { color: var(--fg); border-color: var(--fg-muted); }
.filter-btn.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* ---------- Feature blocks ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.wavelength-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  background: var(--bg-elev);
  position: relative;
  overflow: hidden;
}
.wavelength-card .wl {
  font-family: var(--f-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: -.01em;
  display: block;
  margin-bottom: 4px;
}
.wavelength-card.blue .wl { color: var(--accent-blue); }
.wavelength-card .wl-role {
  font-family: var(--f-display);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 600;
  margin-bottom: 20px;
  display: block;
}
.wavelength-card p { color: var(--fg-muted); }

/* ---------- Effect list ---------- */
.effect-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.effect-list li {
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--fg);
  font-size: .95rem;
  display: flex; align-items: center; gap: 12px;
}
.effect-list li .ico { font-size: 1.1rem; }

/* ---------- Spec table ---------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev);
}
.spec-table th, .spec-table td {
  padding: 16px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: .95rem;
}
.spec-table th {
  font-family: var(--f-display);
  font-weight: 600;
  color: var(--fg);
  background: var(--bg-elev-2);
  width: 40%;
}
.spec-table td { color: var(--fg-muted); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* ---------- Benefits grid ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.benefit-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  background: var(--bg-elev);
  position: relative;
}
.benefit-card .num {
  font-family: var(--f-display);
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: .16em;
  display: block;
  margin-bottom: 10px;
}
.benefit-card h4 { font-size: 1.1rem; margin: 0 0 8px; }
.benefit-card p { margin: 0; font-size: .92rem; }

/* ---------- Handpiece grid ---------- */
.handpiece-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.handpiece {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  background: var(--bg-elev);
}
.handpiece .name {
  font-family: var(--f-display);
  font-weight: 600;
  color: var(--fg);
  font-size: 1rem;
  display: block;
  margin-bottom: 4px;
}
.handpiece .desc { font-size: .88rem; color: var(--fg-muted); }

/* ---------- Config recommendations ---------- */
.config-list { display: grid; grid-template-columns: 1fr; gap: 12px; }
.config-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  background: var(--bg-elev);
  align-items: center;
}
.config-row .cfg-label {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-gold);
}
.config-row .cfg-body { color: var(--fg); font-family: var(--f-display); font-weight: 500; }

/* ---------- Legal notice ---------- */
.legal-note {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent-gold);
  background: var(--bg-elev);
  padding: 22px 26px;
  border-radius: 8px;
  color: var(--fg-muted);
  font-size: .88rem;
  margin: 40px 0 32px;
  line-height: 1.75;
}
.legal-note strong { color: var(--fg); font-weight: 600; }

/* ---------- Info list (features / safety / support) ---------- */
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.info-list li {
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  color: var(--fg);
  font-size: .95rem;
  position: relative;
  padding-left: 44px;
}
.info-list li::before {
  content: "";
  position: absolute;
  left: 20px; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-blue);
}
.info-list.green li::before { background: var(--accent-green); }
.info-list li b { color: var(--fg); font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  section { padding: 72px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .brand-grid { grid-template-columns: 1fr; }
  .product-hero { grid-template-columns: 1fr; gap: 40px; padding: 40px 0 60px; }
  .product-hero .visual { min-height: 280px; padding: 32px; }
  .product-hero .visual .hero-stats { position: static; margin-top: 24px; }
  .two-col { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .handpiece-grid { grid-template-columns: 1fr; }
  .effect-list { grid-template-columns: 1fr; }
  .config-row { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 16px 20px 24px;
    margin: 0;
  }
  .nav.open a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav.open .btn { margin-top: 12px; }
  .nav-toggle { display: inline-flex; }
  .site-header .container { position: relative; }

  .hero { padding: 80px 0 72px; }
  .products-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; }
  .cta-band .btn { width: 100%; }
}