/* =============================================================
 * style.css — Ring-style Smart Home demo
 * Variables / layout / components / dashboard / animations / RWD
 * Self-contained: system fonts, inline SVG icons, no external refs.
 * ============================================================= */

/* ---- Design tokens ----------------------------------------
 * :root holds brand/layout tokens + the DARK theme (the default).
 * html[data-theme="light"] overrides the semantic colour tokens.
 * The dashboard + footer use the --*-dark tokens and stay dark in
 * both themes by design (a "live device feed" look).
 * ----------------------------------------------------------- */
:root {
  /* brand + status (theme-independent) — LivingStyle navy + orange */
  --blue: #1f5fa8;
  --blue-dk: #164b86;
  --blue-darker: #0f3460;
  --navy: #15294a;
  --accent: #f5a623;
  --accent-dk: #d88a0c;
  --green: #1faa59;
  --amber: #e8a317;
  --red: #e0413c;
  /* always-dark zones (dashboard / footer) */
  --bg-dark: #0e151c;
  --bg-dark-2: #16212c;
  --card-dark: #1c2a37;
  /* layout */
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 28px rgba(15, 35, 55, 0.10);
  --shadow-sm: 0 3px 12px rgba(15, 35, 55, 0.08);
  --maxw: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang TC", "Microsoft JhengHei", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;

  /* DARK theme (default) */
  --ink: #e9eff4;
  --ink-soft: #9fb1bf;
  --line: #27333f;
  --bg: #0e151c;
  --bg-alt: #141f29;
  --surface: #1a2530;
  --surface-2: #21303d;
  --nav-bg: rgba(14, 21, 28, 0.9);
  --toast-bg: #e9eff4;
  --toast-fg: #0e151c;
  --logo-hole: #0e151c;
  color-scheme: dark;
}

html[data-theme="light"] {
  --ink: #1a2024;
  --ink-soft: #51606b;
  --line: #e4e9ee;
  --bg: #ffffff;
  --bg-alt: #f4f7fa;
  --surface: #ffffff;
  --surface-2: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --toast-bg: #1a2024;
  --toast-fg: #ffffff;
  --logo-hole: #ffffff;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.15; margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dk); }
.btn--ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }

/* =============================================================
 * NAVIGATION
 * ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  height: 64px; display: flex; align-items: center; gap: 18px;
}
.nav__burger { display: none; width: 40px; height: 40px; color: var(--ink); }
.nav__burger svg { width: 24px; height: 24px; margin: auto; }
.nav__logo { display: flex; align-items: center; gap: 9px; }
.nav__logo-mark {
  width: 40px; height: 40px; border-radius: 8px; flex: none;
  background: #fff url("../img/logo.jpg") center / contain no-repeat;
}
.nav__logo-wrap { display: flex; flex-direction: column; line-height: 1; }
.nav__logo-text { font-size: 21px; font-weight: 800; letter-spacing: -.4px; color: var(--ink); }
.nav__logo-sub { font-size: 10px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-soft); margin-top: 2px; }
.nav__menu { display: flex; gap: 4px; margin-left: 8px; }
.nav__item { position: relative; }
.nav__item > button {
  padding: 10px 14px; font-size: 15px; font-weight: 600; color: var(--ink);
  border-radius: 8px; display: flex; align-items: center; gap: 5px;
}
.nav__item > button:hover { color: var(--blue); background: var(--bg-alt); }
.nav__item > button .chev { width: 14px; height: 14px; transform: rotate(90deg); opacity: .6; }
.nav__drop {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 210px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(6px); transition: .16s ease;
}
.nav__item:hover .nav__drop, .nav__item:focus-within .nav__drop {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__drop a { display: block; padding: 9px 12px; border-radius: 7px; font-size: 14px; color: var(--ink-soft); }
.nav__drop a:hover { background: var(--bg-alt); color: var(--blue); }
.nav__actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav__link { padding: 8px 12px; font-size: 14px; font-weight: 600; color: var(--ink); border-radius: 8px; }
.nav__link:hover { color: var(--blue); }
.nav__cart { position: relative; width: 44px; height: 44px; border-radius: 10px; color: var(--ink); }
.nav__cart:hover { background: var(--bg-alt); }
.nav__cart-icon svg { width: 24px; height: 24px; margin: auto; }
.nav__cart-badge {
  position: absolute; top: 4px; right: 4px; min-width: 18px; height: 18px;
  padding: 0 5px; border-radius: 9px; background: var(--red); color: #fff;
  font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}

/* theme toggle + language selector */
.nav__icbtn {
  height: 44px; min-width: 44px; padding: 0 8px; border-radius: 10px; color: var(--ink);
  display: flex; align-items: center; justify-content: center; gap: 5px; font-weight: 700; font-size: 13px;
}
.nav__icbtn:hover { background: var(--bg-alt); color: var(--blue); }
.nav__icbtn-ico { display: flex; }
.nav__icbtn-ico svg { width: 22px; height: 22px; }
.nav__lang { position: relative; }
.nav__drop--right { left: auto; right: 0; min-width: 150px; }
.nav__lang .nav__drop {
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .16s ease;
}
.nav__lang.is-open .nav__drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__drop button {
  display: block; width: 100%; text-align: left; padding: 9px 12px; border-radius: 7px;
  font-size: 14px; color: var(--ink-soft);
}
.nav__drop button:hover { background: var(--bg-alt); color: var(--blue); }
.nav__drop button.is-active { color: var(--blue); font-weight: 700; }

/* =============================================================
 * HERO
 * ============================================================= */
.hero {
  max-width: var(--maxw); margin: 0 auto; padding: 56px 20px 40px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: center;
}
.hero__eyebrow { color: var(--accent-dk); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; font-size: 13px; margin: 0 0 10px; }
.hero__title { font-size: clamp(32px, 4.8vw, 54px); font-weight: 800; letter-spacing: -1px; }
.hero__title span { color: var(--accent); }
.hero__sub { font-size: 18px; color: var(--ink-soft); margin: 18px 0 26px; max-width: 30ch; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__note { margin-top: 18px; font-size: 13px; color: var(--ink-soft); opacity: .8; }
.hero__art {
  position: relative; aspect-ratio: 1 / 1; border-radius: 24px;
  background: radial-gradient(120% 120% at 70% 20%, #eaf6fd 0%, #d4ecfa 45%, #bfe2f6 100%);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero__art::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(closest-side, rgba(25,152,213,.25), transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}
.hero__art .doorbell-art { width: 46%; color: var(--blue-dk); position: relative; z-index: 1; filter: drop-shadow(0 12px 24px rgba(10,111,168,.25)); }
@keyframes pulse { 0%,100% { transform: scale(1); opacity: .8;} 50% { transform: scale(1.08); opacity: 1;} }

/* =============================================================
 * SECTIONS
 * ============================================================= */
.section { max-width: var(--maxw); margin: 0 auto; padding: 56px 20px; }
.section--alt { max-width: none; background: var(--bg-alt); }
.section--alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section__head { text-align: center; margin-bottom: 34px; }
.section__head h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; letter-spacing: -.5px; }
.section__head p { color: var(--ink-soft); margin: 10px 0 0; font-size: 17px; }
.section__head--row { display: flex; align-items: center; justify-content: space-between; text-align: left; }

/* ---- Category grid ---------------------------------------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cat-card {
  background: var(--bg-alt); border-radius: var(--radius); padding: 28px 24px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
  transition: transform .15s ease, box-shadow .15s ease; cursor: pointer;
  border: 1px solid transparent;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line); background: var(--surface); }
.cat-card__icon { width: 56px; height: 56px; color: var(--blue); }
.cat-card__icon svg { width: 100%; height: 100%; }
.cat-card h3 { font-size: 19px; }
.cat-card span { color: var(--blue); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 4px; }
.cat-card span svg { width: 16px; height: 16px; }

/* ---- Product grid & cards --------------------------------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pcard {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pcard__media {
  aspect-ratio: 16 / 11; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eaf6fd, #d4ecfa); position: relative;
}
.pcard__media svg { width: 42%; color: var(--blue-dk); }
.pcard__media img, .pcard__img { width: 100%; height: 100%; object-fit: contain; padding: 12px; background: #fff; }
.pcard__save { position: absolute; top: 12px; left: 12px; background: var(--red); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 9px; border-radius: 6px; }
.pcard__body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.pcard__cat { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--blue); font-weight: 700; }
.pcard__name { font-size: 17px; font-weight: 700; margin: 4px 0 6px; }
.pcard__blurb { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 14px; flex: 1; }
.pcard__row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pcard__price b { font-size: 20px; }
.pcard__price s { color: var(--ink-soft); font-size: 13px; margin-left: 6px; }
.pcard__add { padding: 10px 16px; font-size: 14px; }

/* ---- Plans ------------------------------------------------ */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  border: 1.5px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  display: flex; flex-direction: column; cursor: pointer; position: relative;
  transition: .15s ease; background: var(--surface);
}
.plan:hover { border-color: var(--blue); }
.plan.is-selected { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(25,152,213,.18); }
.plan--featured { border-color: var(--blue); }
.plan__tag { position: absolute; top: -12px; left: 24px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.plan__name { font-size: 20px; font-weight: 800; }
.plan__price { font-size: 36px; font-weight: 800; margin: 8px 0 2px; }
.plan__price small { font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.plan__features { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 11px; flex: 1; }
.plan__features li { display: flex; gap: 9px; font-size: 14.5px; color: var(--ink); }
.plan__features svg { width: 18px; height: 18px; color: var(--green); flex: none; margin-top: 1px; }
.plan__pick { margin-top: auto; }

/* ---- Benefits --------------------------------------------- */
.benefit-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.benefit { text-align: center; padding: 8px; }
.benefit__icon { width: 52px; height: 52px; margin: 0 auto 14px; color: var(--blue); }
.benefit__icon svg { width: 100%; height: 100%; }
.benefit h4 { font-size: 16px; margin: 0 0 4px; }
.benefit p { font-size: 14px; color: var(--ink-soft); margin: 0; }

/* ---- Carousel --------------------------------------------- */
.carousel { overflow: hidden; }
.carousel__track { display: flex; gap: 18px; transition: transform .35s ease; }
.carousel__track .pcard { flex: 0 0 calc((100% - 36px) / 3); }
.carousel__nav { display: flex; gap: 8px; }
.carousel__btn {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--line);
  color: var(--ink); display: flex; align-items: center; justify-content: center;
}
.carousel__btn:hover { border-color: var(--blue); color: var(--blue); }
.carousel__btn svg { width: 22px; height: 22px; }
.carousel__btn--prev svg { transform: rotate(180deg); }
.carousel__btn:disabled { opacity: .35; cursor: default; border-color: var(--line); color: var(--ink); }

/* =============================================================
 * DASHBOARD (dark)
 * ============================================================= */
.dash { background: var(--bg-dark); color: #eef4f8; padding: 56px 20px 70px; border-top: 1px solid #243443; }
.dash > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.dash__head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 26px; }
.dash__eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; font-size: 13px; margin: 0 0 6px; }
.dash__title { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; }
.dash__clock { font-variant-numeric: tabular-nums; font-size: 22px; font-weight: 700; color: #9fb8c9; letter-spacing: 1px; }

/* ---- Alarm panel ------------------------------------------ */
.alarm {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  background: var(--card-dark); border: 1px solid #243443; border-radius: var(--radius);
  padding: 18px 22px; margin-bottom: 24px;
  --accent: var(--ink-soft);
}
.alarm[data-mode="disarmed"] { --accent: var(--green); }
.alarm[data-mode="home"] { --accent: var(--amber); }
.alarm[data-mode="away"] { --accent: var(--red); }
.alarm__status { display: flex; align-items: center; gap: 14px; }
.alarm__dot { width: 16px; height: 16px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 25%, transparent); }
.alarm__label { margin: 0; font-size: 12px; color: #8aa2b3; text-transform: uppercase; letter-spacing: .6px; }
.alarm__value { margin: 2px 0 0; font-size: 20px; font-weight: 800; color: var(--accent); }
.alarm__modes { display: flex; background: #0e171f; border-radius: 999px; padding: 4px; }
.alarm__mode { padding: 9px 20px; border-radius: 999px; color: #9fb8c9; font-weight: 700; font-size: 14px; transition: .15s ease; }
.alarm__mode.is-active { background: var(--blue); color: #fff; }

/* ---- Dashboard layout ------------------------------------- */
.dash__grid { display: grid; grid-template-columns: 1fr 320px; gap: 22px; align-items: start; }
.device-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

/* ---- Device card ------------------------------------------ */
.dev {
  background: var(--card-dark); border: 1px solid #243443; border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.dev__feed {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: #060c11; cursor: pointer;
}
/* animated "camera" scene */
.dev__scene {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), transparent 40%),
    repeating-linear-gradient(115deg, hsl(var(--hue,205) 35% 22%) 0 40px, hsl(var(--hue,205) 30% 17%) 40px 80px);
  background-size: 200% 100%, 240px 100%;
  animation: pan 14s linear infinite;
}
.dev__scene::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 80% at 50% 120%, hsl(var(--hue,205) 45% 35% / .8), transparent 70%);
}
.dev__scene::after { /* scan sweep */
  content: ""; position: absolute; top: 0; bottom: 0; width: 30%;
  background: linear-gradient(90deg, transparent, rgba(120,200,255,.10), transparent);
  animation: sweep 6s ease-in-out infinite;
}
@keyframes pan { from { background-position: 0 0, 0 0; } to { background-position: -200% 0, -240px 0; } }
@keyframes sweep { 0% { left: -30%; } 50% { left: 100%; } 100% { left: 100%; } }
.dev__rec {
  position: absolute; top: 10px; left: 10px; display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 800; letter-spacing: .5px; color: #fff;
  background: rgba(0,0,0,.4); padding: 4px 9px; border-radius: 6px;
}
.dev__rec i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: .15; } }
.dev__ts { position: absolute; bottom: 8px; right: 10px; font-size: 11px; font-variant-numeric: tabular-nums; color: #d6e6f0; background: rgba(0,0,0,.4); padding: 3px 7px; border-radius: 5px; }
.dev__motion {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(224,65,60,.18); color: #fff; font-weight: 800; font-size: 14px; letter-spacing: .5px;
  opacity: 0; transition: opacity .2s; pointer-events: none;
}
.dev.is-motion .dev__motion { opacity: 1; }
.dev.is-motion .dev__feed { box-shadow: inset 0 0 0 2px var(--red); }
.dev__offline {
  position: absolute; inset: 0; background: #0a1117; display: none;
  align-items: center; justify-content: center; flex-direction: column; gap: 8px; color: #5d7384;
}
.dev__offline svg { width: 34px; height: 34px; }
.dev.is-off .dev__scene, .dev.is-off .dev__rec, .dev.is-off .dev__ts, .dev.is-off .dev__motion { display: none; }
.dev.is-off .dev__offline { display: flex; }
.dev.is-off .dev__feed { cursor: default; }

/* non-camera device visuals (sensor / light) reuse feed area as a tile */
.dev__tile {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(70% 70% at 50% 40%, hsl(var(--hue,205) 30% 26%), #0c141b);
  color: hsl(var(--hue,205) 70% 70%);
}
.dev__tile svg { width: 38%; }
.dev[data-type="light"].is-on .dev__tile { background: radial-gradient(70% 70% at 50% 40%, #6b5a1f, #1a1606); color: #ffd766; box-shadow: inset 0 0 60px rgba(255,196,60,.4); }
.dev[data-type="light"]:not(.is-on) .dev__tile { color: #4a5763; }

.dev__bar { display: flex; align-items: center; justify-content: space-between; padding: 13px 15px; gap: 10px; }
.dev__meta { min-width: 0; }
.dev__name { font-size: 15px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dev__room { font-size: 12px; color: #8aa2b3; }
.dev__state { font-size: 12px; color: var(--green); font-weight: 600; margin-top: 1px; }
.dev.is-off .dev__state { color: #6c7f8d; }
.dev.is-motion .dev__state { color: var(--amber); }

/* toggle switch */
.toggle { width: 46px; height: 27px; border-radius: 999px; background: #33475a; position: relative; flex: none; transition: background .18s; }
.toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 21px; height: 21px; border-radius: 50%; background: #fff; transition: transform .18s; }
.toggle[aria-pressed="true"] { background: var(--blue); }
.toggle[aria-pressed="true"]::after { transform: translateX(19px); }

/* ---- Activity feed ---------------------------------------- */
.feed { background: var(--card-dark); border: 1px solid #243443; border-radius: var(--radius); padding: 16px; position: sticky; top: 80px; }
.feed__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.feed__head h3 { font-size: 16px; }
.feed__clear { color: #8aa2b3; font-size: 13px; font-weight: 600; }
.feed__clear:hover { color: var(--blue); }
.feed__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; max-height: 540px; overflow-y: auto; }
.feed__item {
  display: flex; gap: 11px; align-items: flex-start; padding: 10px 12px;
  background: #0f1a23; border-radius: var(--radius-sm); border-left: 3px solid var(--blue);
  animation: feedIn .3s ease;
}
.feed__item[data-kind="doorbell"] { border-left-color: var(--amber); cursor: pointer; }
.feed__item[data-kind="person"] { border-left-color: var(--red); }
.feed__item[data-kind="system"] { border-left-color: var(--green); }
@keyframes feedIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.feed__ico { width: 18px; height: 18px; color: #cfe2ee; flex: none; margin-top: 2px; }
.feed__ico svg { width: 100%; height: 100%; }
.feed__txt { font-size: 13.5px; line-height: 1.35; }
.feed__time { font-size: 11.5px; color: #7c93a3; font-variant-numeric: tabular-nums; }

/* =============================================================
 * FOOTER
 * ============================================================= */
.footer { background: var(--bg-dark-2); color: #9fb8c9; padding: 48px 20px 30px; }
.footer__cols { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.footer__col h4 { color: #fff; font-size: 14px; margin: 0 0 14px; }
.footer__col a { display: block; font-size: 14px; padding: 5px 0; color: #9fb8c9; }
.footer__col a:hover { color: #fff; }
.footer__legal { max-width: var(--maxw); margin: 32px auto 0; padding-top: 22px; border-top: 1px solid #26323d; font-size: 12.5px; color: #7c93a3; }
.footer__legal p { margin: 0 0 6px; }

/* =============================================================
 * MODALS / TOAST
 * ============================================================= */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 18px; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(8,16,24,.55); animation: fade .2s ease; }
.modal__panel { position: relative; width: 100%; max-width: 460px; background: var(--surface); border-radius: 18px; box-shadow: var(--shadow); animation: rise .25s ease; max-height: 90vh; display: flex; flex-direction: column; }
.modal__panel--video { max-width: 560px; }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal__head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.modal__head h3 { font-size: 18px; }
.modal__close { width: 36px; height: 36px; border-radius: 9px; color: var(--ink-soft); }
.modal__close:hover { background: var(--bg-alt); color: var(--ink); }
.modal__close svg { width: 22px; height: 22px; margin: auto; }

/* cart */
.cart__list { list-style: none; margin: 0; padding: 8px 20px; overflow-y: auto; }
.cart__item { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.cart__item:last-child { border-bottom: none; }
.cart__thumb { width: 52px; height: 52px; border-radius: 10px; background: linear-gradient(135deg, #eaf6fd, #d4ecfa); display: flex; align-items: center; justify-content: center; flex: none; }
.cart__thumb svg { width: 60%; color: var(--blue-dk); }
.cart__info { flex: 1; min-width: 0; }
.cart__info b { font-size: 14.5px; display: block; }
.cart__info span { font-size: 13px; color: var(--ink-soft); }
.cart__qty { display: flex; align-items: center; gap: 8px; }
.cart__qty button { width: 28px; height: 28px; border-radius: 7px; border: 1px solid var(--line); font-size: 16px; font-weight: 700; color: var(--ink); }
.cart__qty button:hover { border-color: var(--blue); color: var(--blue); }
.cart__qty span { min-width: 18px; text-align: center; font-weight: 700; font-size: 14px; }
.cart__empty { text-align: center; color: var(--ink-soft); padding: 30px 20px; margin: 0; }
.cart__foot { padding: 16px 20px 20px; border-top: 1px solid var(--line); }
.cart__total { display: flex; justify-content: space-between; font-size: 16px; margin-bottom: 14px; }
.cart__total strong { font-size: 20px; }
.cart__actions { display: flex; gap: 10px; }
.cart__actions .btn { flex: 1; }

/* live view modal */
.live { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #060c11; margin: 16px 20px 0; border-radius: 12px; }
.live::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), transparent 45%),
    repeating-linear-gradient(115deg, #1b3548 0 50px, #14283800 50px 100px),
    radial-gradient(60% 80% at 50% 120%, #2b6a93, transparent 70%);
  background-size: 320px 100%, 320px 100%, 100% 100%;
  animation: pan 12s linear infinite;
}
.live::after { content: ""; position: absolute; top: 0; bottom: 0; width: 30%; background: linear-gradient(90deg, transparent, rgba(120,200,255,.12), transparent); animation: sweep 5s ease-in-out infinite; }
.live__rec { position: absolute; top: 12px; left: 12px; z-index: 1; display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 800; color: #fff; background: rgba(0,0,0,.45); padding: 5px 11px; border-radius: 7px; }
.live__rec i { width: 9px; height: 9px; border-radius: 50%; background: var(--red); animation: blink 1.1s steps(1) infinite; }
.live__time { position: absolute; bottom: 12px; right: 14px; z-index: 1; color: #d6e6f0; font-size: 13px; font-variant-numeric: tabular-nums; background: rgba(0,0,0,.45); padding: 4px 9px; border-radius: 6px; }
.live__actions { display: flex; gap: 10px; padding: 16px 20px 20px; }
.live__actions .btn { flex: 1; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--toast-bg); color: var(--toast-fg); padding: 12px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 600; z-index: 200; box-shadow: var(--shadow);
  opacity: 0; transition: opacity .25s, transform .25s; pointer-events: none;
}
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast[hidden] { display: block; }

/* =============================================================
 * LIVINGSTYLE — additional components
 * ============================================================= */

/* hero art composite */
.hero-art__cam { width: 44%; color: var(--blue-dk); position: relative; z-index: 1; filter: drop-shadow(0 12px 24px rgba(15,52,96,.28)); }
.hero-art__chip {
  position: absolute; z-index: 2; width: 56px; height: 56px; border-radius: 16px;
  background: var(--surface); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center;
  color: var(--blue); border: 1px solid var(--line);
}
.hero-art__chip svg { width: 30px; height: 30px; }
.hero-art__chip--1 { top: 16%; right: 14%; color: var(--blue); animation: floaty 5s ease-in-out infinite; }
.hero-art__chip--2 { bottom: 20%; left: 12%; color: var(--accent-dk); animation: floaty 6s ease-in-out infinite .5s; }
.hero-art__chip--3 { bottom: 14%; right: 18%; color: var(--green); animation: floaty 5.5s ease-in-out infinite 1s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* stats band */
.stats { background: var(--navy); color: #fff; }
.stats__row {
  max-width: var(--maxw); margin: 0 auto; padding: 30px 20px;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
}
.stat { text-align: center; padding: 6px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: -7px; top: 20%; bottom: 20%; width: 1px; background: rgba(255,255,255,.14); }
.stat__value { font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: var(--accent); letter-spacing: -.5px; }
.stat__label { font-size: 13px; color: #b9c6d8; margin-top: 4px; }

/* location cards */
.loc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.loc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: transform .15s ease, box-shadow .15s ease; }
.loc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.loc-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.loc-card__icon { width: 46px; height: 46px; color: var(--blue); }
.loc-card__icon svg { width: 100%; height: 100%; }
.loc-card__tag { font-size: 12px; font-weight: 800; letter-spacing: 1px; color: #fff; background: var(--blue); padding: 4px 10px; border-radius: 7px; }
.loc-card__name { font-size: 20px; font-weight: 800; }
.loc-card__role { color: var(--accent-dk); font-weight: 700; font-size: 14px; margin: 4px 0 14px; }
.loc-card__facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.loc-card__facts li { display: flex; gap: 9px; font-size: 14px; color: var(--ink); }
.loc-card__facts svg { width: 17px; height: 17px; color: var(--green); flex: none; margin-top: 2px; }

/* product card — spec tag + enquiry button */
.pcard__tag { position: absolute; top: 12px; left: 12px; background: var(--accent); color: #3a2a00; font-size: 12px; font-weight: 800; padding: 4px 10px; border-radius: 6px; }
.pcard__row { justify-content: stretch; }
.pcard__add { width: 100%; gap: 8px; }
.pcard__add svg { width: 17px; height: 17px; }

/* development flow strip */
.flow { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.flow__step { display: flex; align-items: center; gap: 9px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px 9px 9px; font-weight: 700; font-size: 14px; }
.flow__num { width: 24px; height: 24px; border-radius: 50%; background: var(--blue); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; }
.flow__arrow { color: var(--ink-soft); display: flex; }
.flow__arrow svg { width: 18px; height: 18px; }

/* capability pillars */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.cap { position: relative; background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 26px 24px; display: flex; flex-direction: column; cursor: pointer; transition: .15s ease; }
.cap:hover { border-color: var(--blue); }
.cap.is-selected { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,95,168,.18); }
.cap--featured { border-color: var(--accent); }
.cap__tag { position: absolute; top: -12px; left: 24px; background: var(--accent); color: #3a2a00; font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px; }
.cap__icon { width: 50px; height: 50px; color: var(--blue); margin-bottom: 12px; }
.cap__icon svg { width: 100%; height: 100%; }
.cap__name { font-size: 20px; font-weight: 800; display: flex; align-items: center; gap: 9px; }
.cap__name em { font-style: normal; font-size: 11px; font-weight: 800; letter-spacing: .5px; color: var(--blue); background: rgba(31,95,168,.12); padding: 3px 8px; border-radius: 6px; }
.cap__features { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 11px; flex: 1; }
.cap__features li { display: flex; gap: 9px; font-size: 14.5px; }
.cap__features svg { width: 18px; height: 18px; color: var(--green); flex: none; margin-top: 1px; }
.cap__pick { margin-top: auto; }

/* customer carousel cards */
.carousel__track { gap: 16px; }
.carousel__track .cust-card {
  flex: 0 0 calc((100% - 64px) / 5);
  height: 96px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; padding: 12px; text-align: center;
}
.cust-card__name { font-weight: 800; font-size: 16px; color: var(--ink); letter-spacing: -.3px; }
.cust-note { text-align: center; color: var(--ink-soft); font-size: 14.5px; margin: 26px auto 0; max-width: 70ch; }

/* milestones timeline */
.timeline { display: flex; gap: 14px; overflow-x: auto; padding: 6px 2px 16px; scroll-snap-type: x mandatory; }
.tl-item { flex: 0 0 200px; scroll-snap-align: start; position: relative; padding-top: 22px; }
.tl-item::before { content: ""; position: absolute; top: 6px; left: 0; right: 0; height: 2px; background: var(--line); }
.tl-dot { position: absolute; top: 1px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--bg); }
.tl-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px; height: 100%; }
.tl-year { font-size: 20px; font-weight: 800; color: var(--blue); }
.tl-desc { font-size: 13.5px; color: var(--ink-soft); margin-top: 6px; line-height: 1.4; }

/* certifications */
.certs__h { text-align: center; font-size: 18px; margin: 26px 0 16px; }
.certs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.cert-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px; font-weight: 700; font-size: 14px; }
.cert-badge svg { width: 18px; height: 18px; color: var(--accent-dk); }

/* R&D — two centres + core technology stack */
.rnd-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 4px; }
.tech-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px; }
.tech-card__ico { width: 32px; height: 32px; color: var(--accent-dk); }
.tech-card__ico svg { width: 100%; height: 100%; }
.tech-card h4 { font-size: 15px; margin: 10px 0 5px; }
.tech-card p { font-size: 13px; color: var(--ink-soft); margin: 0; line-height: 1.45; }

/* footer top / brand / contact */
.footer__top { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 220px 1fr; gap: 32px; }
.footer__brand { display: flex; align-items: center; gap: 11px; }
.footer__brand .nav__logo-mark { width: 30px; height: 30px; }
.footer__brandname { font-size: 20px; font-weight: 800; color: #fff; }
.footer__brandsub { font-size: 10px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: #8aa2b3; }
.footer__cols { grid-template-columns: repeat(4, 1fr); }
.footer__contact { font-size: 13.5px; color: #9fb8c9; margin: 0 0 7px; line-height: 1.4; }

/* =============================================================
 * RESPONSIVE
 * ============================================================= */
@media (max-width: 900px) {
  .nav__menu { display: none; }
  .nav__burger { display: flex; }
  .nav__menu.is-open {
    display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px; gap: 2px;
  }
  .nav__menu.is-open .nav__item > button { width: 100%; }
  .nav__menu.is-open .nav__drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 6px 12px; }
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .hero__art { max-width: 420px; }
  .cat-grid, .product-grid, .device-grid { grid-template-columns: repeat(2, 1fr); }
  .loc-grid, .cap-grid, .rnd-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-row { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .stats__row { grid-template-columns: repeat(3, 1fr); gap: 18px 8px; }
  .stat::before { display: none; }
  .carousel__track .cust-card { flex-basis: calc((100% - 32px) / 3); }
  .footer__top { grid-template-columns: 1fr; gap: 24px; }
  .dash__grid { grid-template-columns: 1fr; }
  .feed { position: static; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .nav__link--hideSm { display: none; }
  .cat-grid, .product-grid, .device-grid { grid-template-columns: 1fr; }
  .benefit-row, .tech-grid { grid-template-columns: 1fr; }
  .stats__row { grid-template-columns: repeat(2, 1fr); }
  .carousel__track .cust-card { flex-basis: calc((100% - 16px) / 2); }
  .section { padding: 40px 18px; }
  .section__head--row { flex-direction: column; gap: 14px; align-items: flex-start; }
  .alarm { flex-direction: column; align-items: stretch; }
  .alarm__modes { justify-content: space-between; }
  .alarm__mode { flex: 1; padding: 10px 0; text-align: center; }
  .dash__head { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}