/* =========================================================
   DIGITECH ERP LTD — design system
   Palette : matte black / clean white / brushed aluminium / signal blue
   Type    : Space Grotesk (display) · Inter (body) · IBM Plex Mono (data)
   ========================================================= */

:root {
  --ink:        #0e0f11;   /* matte black            */
  --graphite:   #16181c;   /* dark panels            */
  --steel-900:  #2a2e34;
  --steel-600:  #5b626b;
  --steel-400:  #8b929b;
  --steel-200:  #c7ccd2;   /* brushed aluminium edge */
  --line:       #e4e7ea;   /* hairline               */
  --surface:    #f4f5f6;   /* off-white              */
  --surface-2:  #eceef0;
  --white:      #ffffff;
  --signal:     #1f5cff;   /* precision blue accent  */
  --signal-700: #1746c8;
  --signal-050: #eaf0ff;
  --ok:         #12805c;

  --radius:     14px;
  --radius-sm:  9px;
  --radius-lg:  22px;
  --shadow-sm:  0 1px 2px rgba(14,15,17,.05), 0 1px 1px rgba(14,15,17,.04);
  --shadow-md:  0 12px 30px -12px rgba(14,15,17,.18);
  --shadow-lg:  0 30px 60px -20px rgba(14,15,17,.28);

  --maxw: 1220px;
  --gutter: clamp(20px, 5vw, 56px);

  --ff-display: "Space Grotesk", system-ui, sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* brushed aluminium fill used across the site */
  --brushed:
    repeating-linear-gradient(90deg,
      rgba(255,255,255,.55) 0px,
      rgba(255,255,255,0) 2px,
      rgba(0,0,0,.03) 3px,
      rgba(255,255,255,0) 4px),
    linear-gradient(180deg, #f7f8f9 0%, #dfe3e7 48%, #cfd4da 52%, #eef0f2 100%);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.center { text-align: center; }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 4px; }

/* ---------- eyebrow / mono labels ---------- */
.eyebrow {
  font-family: var(--ff-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-block;
}
.eyebrow--muted { color: var(--steel-400); }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  --bg: var(--ink); --fg: #fff; --bd: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--ff-body);
  font-weight: 600; font-size: .95rem; letter-spacing: -0.01em;
  padding: 13px 22px; border-radius: var(--radius-sm);
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--bd);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn--primary { --bg: var(--signal); --bd: var(--signal); --fg:#fff; }
.btn--primary:hover { --bg: var(--signal-700); }
.btn--ghost { --bg: transparent; --fg: var(--ink); --bd: var(--line); }
.btn--ghost:hover { --bd: var(--ink); box-shadow: none; }
.btn--light { --bg: #fff; --fg: var(--ink); --bd:#fff; }
.btn--outline-light { --bg: transparent; --fg:#fff; --bd: rgba(255,255,255,.4); }
.btn--outline-light:hover { --bd:#fff; box-shadow:none; }
.btn--sm { padding: 9px 16px; font-size: .85rem; border-radius: 7px; }
.btn--block { width: 100%; }
.btn--sm.is-added { --bg: var(--ok); --bd: var(--ok); --fg:#fff; }
.btn:disabled { opacity:.6; cursor: not-allowed; transform:none; box-shadow:none; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 1px 0 rgba(14,15,17,.02); }
.header__inner { display: flex; align-items: center; gap: 28px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark {
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--ink);
  position: relative; flex: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand__mark::before,
.brand__mark::after {
  content: ""; position: absolute; background: var(--signal);
}
.brand__mark::before { left: 7px; top: 7px; width: 12px; height: 3px; border-radius: 2px; }
.brand__mark::after  { left: 7px; top: 13px; width: 8px; height: 3px; border-radius: 2px; background: #fff; }
.brand__text {
  font-family: var(--ff-display); font-weight: 700; font-size: 1.12rem;
  letter-spacing: -0.02em; color: var(--ink);
}
.brand__sub {
  font-family: var(--ff-mono); font-weight: 500; font-size: .62em;
  letter-spacing: .12em; color: var(--signal);
  margin-left: 4px; vertical-align: 2px;
}
.brand__text--footer { color:#fff; font-size: 1.25rem; }
.brand__text--footer .brand__sub { color: var(--steel-200); }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  font-size: .93rem; font-weight: 500; color: var(--steel-600);
  padding: 8px 14px; border-radius: 8px; transition: color .15s, background .15s;
}
.nav__link:hover { color: var(--ink); background: var(--surface); }
.nav__link.is-active { color: var(--ink); }
.nav__link.is-active::after {
  content: ""; display:block; height: 2px; width: 18px; margin: 3px auto 0;
  background: var(--signal); border-radius: 2px;
}

.header__actions { display: flex; align-items: center; gap: 8px; }
.cart-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--line); color: var(--ink);
  transition: background .15s, border-color .15s;
}
.cart-btn:hover { background: var(--surface-2); border-color: var(--steel-200); }
.cart-btn__count {
  position: absolute; top: -6px; right: -6px;
  min-width: 19px; height: 19px; padding: 0 5px;
  display: grid; place-items: center;
  font-family: var(--ff-mono); font-size: .68rem; font-weight: 600;
  color: #fff; background: var(--signal); border-radius: 999px;
  border: 2px solid #fff;
}
.cart-btn__count.is-empty { display: none; }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  background: var(--surface); border-radius: 10px; padding: 11px; }
.nav-toggle span { display:block; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }
.nav-toggle span + span { margin-top: 4px; }
.nav-toggle.is-active span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2){ opacity: 0; }
.nav-toggle.is-active span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

.nav-mobile { display: none; flex-direction: column; padding: 8px var(--gutter) 18px; border-top: 1px solid var(--line); }
.nav-mobile.is-open { display: flex; }
.nav-mobile .nav__link { padding: 12px 4px; border-radius: 0; }
.nav-mobile .nav__link.is-active::after { margin: 3px 0 0; }

/* =========================================================
   SECTION SCAFFOLD
   ========================================================= */
.section { padding-block: clamp(56px, 8vw, 104px); }
.section--tight { padding-block: clamp(40px, 6vw, 72px); }
.section--surface { background: var(--surface); }
.section--dark { background: var(--ink); color: #fff; }
.section__head { max-width: 640px; margin-bottom: 44px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin: 12px 0 0; }
.section__lead { color: var(--steel-600); font-size: 1.05rem; margin-top: 14px; }
.section--dark .section__lead { color: var(--steel-200); }

/* =========================================================
   HERO  (signature: brushed-aluminium instrument panel)
   ========================================================= */
.hero { position: relative; background: var(--ink); color: #fff; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1100px 500px at 78% -10%, rgba(31,92,255,.20), transparent 60%),
    radial-gradient(700px 400px at 8% 110%, rgba(255,255,255,.05), transparent 60%);
  pointer-events: none;
}
.hero__grid {
  position: relative; display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px, 5vw, 68px); align-items: center;
  padding-block: clamp(64px, 10vw, 118px);
}
.hero__eyebrow { color: var(--steel-200); }
.hero__eyebrow b { color: var(--signal); font-weight: 500; }
.hero__title {
  font-size: clamp(2.3rem, 5.4vw, 4rem); margin: 18px 0 0;
  letter-spacing: -0.035em;
}
.hero__title em { font-style: normal; color: var(--steel-200); }
.hero__sub { color: var(--steel-200); font-size: 1.12rem; max-width: 40ch; margin-top: 20px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__meta { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.hero__meta div { display: flex; flex-direction: column; }
.hero__meta .k { font-family: var(--ff-mono); font-size: 1.35rem; color:#fff; }
.hero__meta .l { font-size: .8rem; color: var(--steel-400); letter-spacing: .02em; }

/* the aluminium panel */
.panel {
  position: relative; border-radius: var(--radius-lg);
  background: var(--brushed);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,.5);
  padding: 26px; aspect-ratio: 4 / 3.4;
  display: flex; flex-direction: column; justify-content: space-between;
}
.panel::after {
  content: ""; position: absolute; inset: 10px; border-radius: 16px;
  border: 1px solid rgba(14,15,17,.08);
  pointer-events: none;
}
.panel__row { display: flex; justify-content: space-between; align-items: flex-start; position: relative; z-index: 1; }
.panel__badge {
  font-family: var(--ff-mono); font-size: .68rem; letter-spacing: .12em;
  color: var(--ink); background: rgba(255,255,255,.7);
  border: 1px solid rgba(14,15,17,.1); padding: 5px 9px; border-radius: 6px;
}
.panel__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--signal);
  box-shadow: 0 0 0 4px rgba(31,92,255,.18); }
.panel__ports { display: flex; gap: 10px; align-items: flex-end; position: relative; z-index: 1; }
.panel__ports span {
  flex: 1; height: 40px; border-radius: 5px;
  background: linear-gradient(180deg, #3a3f46, #14171b);
  box-shadow: inset 0 2px 3px rgba(0,0,0,.5), inset 0 -1px 0 rgba(255,255,255,.08);
}
.panel__ports span:nth-child(2){ height: 30px; }
.panel__ports span:nth-child(3){ height: 46px; }
.panel__ports span:nth-child(4){ height: 26px; }
.panel__ports span:nth-child(5){ height: 36px; }
.panel__spec {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 18px;
  font-family: var(--ff-mono); font-size: .72rem; color: var(--steel-600);
}
.panel__spec b { color: var(--ink); font-weight: 600; }

/* =========================================================
   FEATURE CARDS (advantages)
   ========================================================= */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.feature {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: transform .18s ease, box-shadow .2s ease, border-color .2s;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--steel-200); }
.feature__no { font-family: var(--ff-mono); font-size: .72rem; color: var(--steel-400); letter-spacing: .1em; }
.feature__icon {
  width: 44px; height: 44px; border-radius: 11px; margin: 14px 0 16px;
  display: grid; place-items: center; color: var(--signal);
  background: var(--signal-050);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.12rem; }
.feature p { color: var(--steel-600); font-size: .95rem; margin-top: 8px; }

/* =========================================================
   PRODUCT CARDS
   ========================================================= */
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--steel-200); }
.card__media {
  position: relative; display: block; aspect-ratio: 1 / 1;
  background: var(--surface); overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card__media img { transform: scale(1.04); }
.card__cat {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  font-family: var(--ff-mono); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase;
  background: rgba(255,255,255,.92); color: var(--ink);
  padding: 5px 9px; border-radius: 6px; border: 1px solid var(--line);
}
.card__body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card__title { font-family: var(--ff-display); font-weight: 600; font-size: 1rem; letter-spacing: -0.01em; }
.card__title:hover { color: var(--signal); }
.card__row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.card__price { font-family: var(--ff-mono); font-weight: 600; font-size: 1.02rem; }

/* skeletons */
.card--skeleton { pointer-events: none; }
.skel { position: relative; overflow: hidden; background: var(--surface-2); border-radius: 8px; }
.skel::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.6), transparent);
  animation: shimmer 1.3s infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }
.skel--media { aspect-ratio: 1/1; border-radius: 0; }
.skel--line { height: 14px; margin: 6px 0; }
.skel--short { width: 55%; }
.skel--block { height: 120px; margin-top: 14px; }

/* =========================================================
   PRODUCTS PAGE toolbar
   ========================================================= */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; justify-content: space-between; margin-bottom: 26px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--ff-mono); font-size: .78rem; letter-spacing: .02em;
  padding: 8px 14px; border-radius: 999px;
  background: var(--white); border: 1px solid var(--line); color: var(--steel-600);
  transition: .15s;
}
.chip:hover { border-color: var(--steel-400); color: var(--ink); }
.chip.is-active { background: var(--ink); color:#fff; border-color: var(--ink); }
.result-count { font-family: var(--ff-mono); font-size: .8rem; color: var(--steel-400); }

/* =========================================================
   HOW IT WORKS (steps)
   ========================================================= */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 8px; }
.step { position: relative; padding: 4px 22px 4px 0; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 20px; right: 12px; width: 20px; height: 1px;
  background: var(--steel-200);
}
.step__no {
  font-family: var(--ff-mono); font-size: .8rem; color: var(--signal);
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--white);
}
.section--dark .step__no { background: var(--graphite); border-color: var(--steel-900); }
.step h3 { font-size: 1.08rem; margin: 18px 0 8px; }
.step p { color: var(--steel-600); font-size: .93rem; }
.section--dark .step p { color: var(--steel-400); }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.quote {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column; gap: 18px;
}
.quote__stars { color: var(--signal); font-size: .9rem; letter-spacing: 2px; }
.quote p { font-size: 1.02rem; color: var(--ink); }
.quote__by { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.quote__avatar {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: var(--brushed); box-shadow: inset 0 0 0 1px rgba(255,255,255,.5);
  display: grid; place-items: center; font-family: var(--ff-display); font-weight: 700; color: var(--ink);
}
.quote__name { font-weight: 600; font-size: .92rem; }
.quote__role { font-family: var(--ff-mono); font-size: .74rem; color: var(--steel-400); }

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta {
  position: relative; overflow: hidden;
  background: var(--ink); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(36px, 6vw, 64px);
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 90% 0%, rgba(31,92,255,.28), transparent 60%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
.cta p { color: var(--steel-200); margin-top: 10px; max-width: 46ch; }

/* =========================================================
   CART DRAWER
   ========================================================= */
.cart-overlay { position: fixed; inset: 0; background: rgba(14,15,17,.45); z-index: 150; }
.cart-drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 92vw); z-index: 160;
  background: #fff; box-shadow: var(--shadow-lg);
  transform: translateX(100%); transition: transform .28s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
}
.cart-drawer.is-open { transform: translateX(0); }
.cart-drawer__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 22px; border-bottom: 1px solid var(--line);
}
.cart-drawer__head h3 { font-size: 1.15rem; }
.cart-close { font-size: 1.7rem; line-height: 1; background: none; border: 0; color: var(--steel-600); width: 34px; height: 34px; border-radius: 8px; }
.cart-close:hover { background: var(--surface); color: var(--ink); }
.cart-drawer__body { flex: 1; overflow-y: auto; padding: 8px 22px; }
.cart-drawer__foot { padding: 18px 22px; border-top: 1px solid var(--line); }
.cart-drawer__foot:empty { display: none; }

.cart-empty { text-align: center; padding: 60px 10px; color: var(--steel-600); display: flex; flex-direction: column; gap: 16px; align-items: center; }

.cart-line { display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: start; }
.cart-line__img { width: 64px; height: 64px; border-radius: 9px; object-fit: cover; background: var(--surface); border: 1px solid var(--line); }
.cart-line__info { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cart-line__name { font-weight: 600; font-size: .92rem; line-height: 1.3; }
.cart-line__price { font-family: var(--ff-mono); font-size: .84rem; color: var(--steel-600); }
.cart-line__remove { background: none; border: 0; color: var(--steel-400); padding: 2px; }
.cart-line__remove:hover { color: #c0392b; }

.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; width: fit-content; }
.qty__btn { width: 30px; height: 30px; background: var(--surface); border: 0; color: var(--ink); font-size: 1rem; }
.qty__btn:hover { background: var(--surface-2); }
.qty__input { width: 38px; height: 30px; text-align: center; border: 0; border-inline: 1px solid var(--line); font-family: var(--ff-mono); font-size: .85rem; background:#fff; }
.qty--lg .qty__btn { width: 40px; height: 44px; font-size: 1.15rem; }
.qty--lg .qty__input { width: 48px; height: 44px; font-size: .95rem; }

.cart-subtotal { display: flex; justify-content: space-between; align-items: baseline; font-size: 1.05rem; }
.cart-subtotal strong { font-family: var(--ff-mono); }
.cart-note { font-size: .78rem; color: var(--steel-400); margin: 6px 0 14px; }

/* =========================================================
   PRODUCT DETAIL
   ========================================================= */
.breadcrumb { display: flex; gap: 8px; align-items: center; font-family: var(--ff-mono); font-size: .78rem; color: var(--steel-400); margin-bottom: 22px; }
.breadcrumb a:hover { color: var(--signal); }

.pd__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 60px); align-items: start; }
.pd__gallery-skel { aspect-ratio: 1/1; border-radius: var(--radius); }
.pd__main { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); aspect-ratio: 1/1; }
.pd__main img { width: 100%; height: 100%; object-fit: cover; }
.pd__thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pd__thumb { width: 70px; height: 70px; border-radius: 9px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); padding: 0; }
.pd__thumb.is-active { border-color: var(--signal); box-shadow: 0 0 0 2px var(--signal-050); }
.pd__thumb img { width: 100%; height: 100%; object-fit: cover; }

.pd__title { font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin: 12px 0 0; }
.pd__price { font-family: var(--ff-mono); font-size: 1.5rem; font-weight: 600; margin: 16px 0; }
.pd__desc { color: var(--steel-600); font-size: 1rem; }
.pd__buy { display: flex; gap: 12px; align-items: center; margin: 24px 0; flex-wrap: wrap; }
.pd__buy .btn--primary { flex: 1; min-width: 180px; height: 46px; }
.pd__assure { list-style: none; padding: 18px 0; margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.pd__assure li { position: relative; padding-left: 26px; font-size: .92rem; color: var(--steel-600); }
.pd__assure li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px; border-left: 2px solid var(--signal); border-bottom: 2px solid var(--signal); transform: rotate(-45deg); }

.pd__specs { margin-top: 26px; }
.pd__specs-head { font-size: 1.05rem; margin-bottom: 12px; }
.spec-list { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.spec { display: grid; grid-template-columns: 40% 1fr; gap: 14px; padding: 12px 16px; font-size: .9rem; }
.spec:nth-child(odd) { background: var(--surface); }
.spec__k { font-family: var(--ff-mono); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--steel-400); }
.spec__v { color: var(--ink); }

/* =========================================================
   FAQ (accordion)
   ========================================================= */
.faq { max-width: 780px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { width: 100%; text-align: left; background: none; border: 0; padding: 22px 44px 22px 0; position: relative; font-family: var(--ff-display); font-weight: 600; font-size: 1.05rem; color: var(--ink); }
.faq__q::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-family: var(--ff-mono); font-size: 1.3rem; color: var(--signal); transition: transform .2s; }
.faq__item.is-open .faq__q::after { content: "−"; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq__a p { padding: 0 44px 22px 0; color: var(--steel-600); }
.faq__item.is-open .faq__a { max-height: 400px; }

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; display: flex; gap: 16px; align-items: flex-start; }
.contact-card__icon { width: 40px; height: 40px; border-radius: 10px; background: var(--signal-050); color: var(--signal); display: grid; place-items: center; flex: none; }
.contact-card__icon svg { width: 20px; height: 20px; }
.contact-card h4 { font-size: .82rem; font-family: var(--ff-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--steel-400); font-weight: 500; }
.contact-card a, .contact-card span { display: block; margin-top: 4px; color: var(--ink); font-weight: 500; }
.contact-card a:hover { color: var(--signal); }

.form { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 4vw, 34px); background: var(--white); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .84rem; font-weight: 600; margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: .95rem; background: var(--surface); color: var(--ink); transition: border-color .15s, background .15s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--signal); background: #fff; box-shadow: 0 0 0 3px var(--signal-050); }
.field textarea { resize: vertical; min-height: 130px; }

/* =========================================================
   LEGAL / PROSE PAGES
   ========================================================= */
.page-head { background: var(--surface); border-bottom: 1px solid var(--line); padding-block: clamp(48px, 7vw, 84px); }
.page-head h1 { font-size: clamp(2rem, 4vw, 3rem); }
.page-head p { color: var(--steel-600); margin-top: 12px; max-width: 60ch; }
.page-head .eyebrow { margin-bottom: 12px; }

.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { font-size: 1.4rem; margin: 40px 0 12px; }
.prose h3 { font-size: 1.1rem; margin: 26px 0 8px; }
.prose p, .prose li { color: var(--steel-600); font-size: 1rem; }
.prose p { margin: 12px 0; }
.prose ul { margin: 12px 0 12px 20px; display: flex; flex-direction: column; gap: 6px; }
.prose strong { color: var(--ink); }
.prose .updated { font-family: var(--ff-mono); font-size: .8rem; color: var(--steel-400); }

/* =========================================================
   ABOUT
   ========================================================= */
.about-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px, 5vw, 60px); align-items: center; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 8px; }
.stat { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; text-align: left; }
.stat .k { font-family: var(--ff-mono); font-size: 2rem; color: var(--ink); }
.stat .l { color: var(--steel-600); font-size: .9rem; margin-top: 6px; }
.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.value { border-left: 2px solid var(--signal); padding: 4px 0 4px 18px; }
.value h3 { font-size: 1.08rem; }
.value p { color: var(--steel-600); font-size: .93rem; margin-top: 6px; }

/* =========================================================
   STATUS PAGES (success / cancel)
   ========================================================= */
.status { min-height: 68vh; display: grid; place-items: center; text-align: center; padding-block: 60px; }
.status__inner { max-width: 480px; }
.status__mark { width: 76px; height: 76px; border-radius: 20px; margin: 0 auto 24px; display: grid; place-items: center; }
.status__mark--ok { background: rgba(18,128,92,.1); color: var(--ok); }
.status__mark--warn { background: var(--signal-050); color: var(--signal); }
.status__mark svg { width: 38px; height: 38px; }
.status h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.status p { color: var(--steel-600); margin-top: 14px; }
.status__ref { font-family: var(--ff-mono); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; display: inline-block; margin-top: 20px; letter-spacing: .05em; }
.status__actions { display: flex; gap: 12px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }

/* =========================================================
   EMPTY STATE
   ========================================================= */
.empty-state { grid-column: 1 / -1; text-align: center; padding: 70px 20px; color: var(--steel-600); }
.empty-state__mark { width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); position: relative; }
.empty-state__mark::before { content: ""; position: absolute; inset: 16px; border: 2px solid var(--steel-200); border-radius: 6px; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--ink); color: #fff; padding-top: clamp(52px, 7vw, 80px); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer__tag { color: var(--steel-400); font-size: .92rem; margin-top: 14px; max-width: 34ch; }
.footer__head { font-family: var(--ff-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-400); font-weight: 500; margin-bottom: 14px; }
.footer__col a, .footer__addr { display: block; color: var(--steel-200); font-size: .92rem; margin-bottom: 9px; transition: color .15s; }
.footer__col a:hover { color: #fff; }
.footer__addr { color: var(--steel-400); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 22px; border-top: 1px solid var(--steel-900); color: var(--steel-400); font-size: .82rem; flex-wrap: wrap; }
.footer__reg { font-family: var(--ff-mono); }

/* =========================================================
   REVEAL
   ========================================================= */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .panel { max-width: 460px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
  .step:not(:last-child)::after { display: none; }
  .pd__grid, .contact-grid, .about-hero { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle { display: block; }
  .grid-3 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .hero__meta { gap: 20px; }
  .cta { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 12px; }
  .footer__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}