/* ============================================================
   BY+ON FACEON 8 — corporate landing
   Warm / minimal / institutional, orange accent.
   ============================================================ */

:root {
  --bg:        #fff8f2;
  --bg-2:      #f8ede3;
  --panel:     #fffdfb;
  --panel-2:   #fff1e5;
  --white:     #211711;
  --muted:     #65574d;
  --faint:     #8a796d;
  --lime:      #ff7a1a;
  --lime-text: #b54800;
  --line:      rgba(67, 39, 23, .14);
  --line-2:    rgba(67, 39, 23, .28);
  --radius:    18px;
  --wrap:      1200px;
  --ease:      cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  font-family: "Pretendard Variable", Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  font-size: 16px;
  font-weight: 450;
  line-height: 1.6;
  letter-spacing: -.01em;
  -webkit-font-smoothing: auto;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-wrap: break-word;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--lime); color: #101310; padding: 10px 16px; border-radius: 0 0 10px 0; font-weight: 700;
}
.skip:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 13px; --pad-x: 24px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px;
  font-size: 14px; font-weight: 700; letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  white-space: nowrap; cursor: pointer;
}
.btn b { font-weight: 700; transition: transform .3s var(--ease); }
.btn:hover b { transform: translate(2px, -2px); }
.btn-lime  { background: var(--lime); color: #2a1305; }
.btn-lime:hover  { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(255, 122, 26, .27); }
.btn-line  { border-color: var(--line-2); color: var(--white); }
.btn-line:hover  { border-color: var(--white); background: rgba(243,243,237,.04); }
.btn-ghost { border-color: var(--line-2); color: var(--white); padding: 10px 20px; }
.btn-ghost:hover { border-color: var(--lime); color: var(--lime); }
.btn-block { width: 100%; justify-content: center; --pad-y: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 248, 242, .9);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand img { width: 118px; }
.brand img, .footer-logo { filter: brightness(0); }
.nav { display: flex; gap: 34px; margin-inline: auto; }
.nav a { font-size: 14px; font-weight: 650; color: var(--muted); position: relative; transition: color .25s var(--ease); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--lime);
  transition: width .3s var(--ease);
}
.nav a:hover { color: var(--white); }
.nav a:hover::after { width: 100%; }
.header-cta { display: flex; align-items: center; gap: 12px; }

.menu-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line-2); border-radius: 12px;
  background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.menu-toggle span { width: 18px; height: 2px; background: var(--white); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none; flex-direction: column; gap: 4px; padding: 12px 24px 26px;
  background: rgba(255, 248, 242, .97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line);
}
.mobile-nav a { padding: 14px 4px; font-size: 16px; font-weight: 600; border-bottom: 1px solid var(--line); }
.mobile-nav a.btn { margin-top: 14px; border-bottom: none; justify-content: center; }
.mobile-nav.open { display: flex; }
body.menu-open { overflow: hidden; }

/* ---------- Shared section ---------- */
.section { padding: clamp(72px, 9vw, 140px) 0; position: relative; }
.kicker {
  margin: 0 0 18px; color: var(--lime-text); font-size: 12px; font-weight: 800;
  letter-spacing: .22em; text-transform: uppercase;
}
.sec-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 68px); }
.sec-head h2, .product-copy h2, .contact-copy h2 {
  margin: 0; font-size: clamp(30px, 4.4vw, 54px); line-height: 1.08; letter-spacing: -.04em; font-weight: 800;
}
.sec-head .sub { margin: 22px 0 0; color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.8; font-weight: 480; }
.sec-head .sub b { color: var(--white); font-weight: 700; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: 150px; padding-bottom: 0; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(255, 138, 52, .22), transparent 46%),
    linear-gradient(rgba(67,39,23,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67,39,23,.05) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 76px 76px, 76px 76px, auto;
  -webkit-mask-image: linear-gradient(180deg, #000 62%, transparent);
  mask-image: linear-gradient(180deg, #000 62%, transparent);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
  padding-bottom: 56px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; margin: 0 0 26px;
  padding: 8px 15px; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--white);
}
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); animation: blink 1.8s ease-in-out infinite; }
.hero h1 { margin: 0; font-size: clamp(46px, 6.6vw, 96px); line-height: 1.0; letter-spacing: -.05em; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--lime-text); }
.hero .lead { margin: 30px 0 38px; max-width: 590px; color: var(--muted); font-size: clamp(15px, 1.5vw, 18px); line-height: 1.85; font-weight: 480; }
.hero .lead b { color: var(--white); font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-visual { position: relative; justify-self: center; }
.hero-visual img { height: clamp(360px, 52vh, 500px); width: auto; filter: drop-shadow(0 30px 60px rgba(67,39,23,.22)); position: relative; z-index: 2; }
.hero-glow {
  position: absolute; z-index: 1; inset: 50% auto auto 50%; transform: translate(-50%, -46%);
  width: 78%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,122,26,.27), transparent 62%);
  filter: blur(20px);
}
.chip {
  position: absolute; z-index: 3; padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,.94); border: 1px solid var(--line-2); backdrop-filter: blur(8px);
  font-size: 12px; font-weight: 800; letter-spacing: .08em; color: var(--white);
  animation: float 5s ease-in-out infinite;
}
.chip::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--lime); margin-right: 8px; vertical-align: middle; }
.chip-a { top: 22%; left: -6%; }
.chip-b { bottom: 20%; right: -4%; animation-delay: -2.5s; }

.metrics {
  position: relative; z-index: 2;
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.metrics li { padding: 30px 8px 34px; text-align: center; border-left: 1px solid var(--line); }
.metrics li:first-child { border-left: none; }
.metrics strong { display: block; font-size: clamp(30px, 3.8vw, 46px); font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.metrics strong span { font-size: .5em; color: var(--lime-text); margin-left: 3px; font-weight: 700; }
.metrics em { display: block; margin-top: 10px; font-style: normal; color: var(--muted); font-size: 13px; font-weight: 550; letter-spacing: .04em; }
.metrics-note { margin: 12px 0 0; color: var(--faint); font-size: 12px; text-align: right; }

/* ---------- Product / form factor ---------- */
.product { background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.product-inner {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
}
.product-copy { max-width: 500px; }
.product-copy .body { margin: 22px 0 30px; color: var(--muted); font-size: 17px; line-height: 1.85; font-weight: 480; max-width: 540px; }
.product-media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: clamp(18px, 2.4vw, 30px);
  background: #333a3e;
  box-shadow: 0 28px 70px rgba(67, 39, 23, .14);
}
.product-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
}
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 30px; color: var(--muted); font-size: 15px; }
.ticks li b { color: var(--white); font-weight: 700; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 5px;
  background: var(--lime);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%23000' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%23000' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 20px; }
.grid-cards { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  padding: 30px 26px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: 0 12px 34px rgba(67,39,23,.055);
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--panel-2); }
.card .tag {
  display: inline-block; margin-bottom: 18px; padding: 5px 11px; border-radius: 7px;
  background: rgba(255,122,26,.09); border: 1px solid rgba(181,72,0,.25);
  color: var(--lime-text); font-size: 11px; font-weight: 800; letter-spacing: .08em;
}
.card h3 { margin: 0 0 10px; font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.78; font-weight: 480; }

/* ---------- Recognition ---------- */
.recog { background: var(--bg-2); }
.recog-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(24px, 3vw, 44px); align-items: stretch; }
.recog-media { margin: 0; position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 320px; }
.recog-media img { width: 100%; height: 100%; object-fit: cover; }
.recog-media.recog-device { background: linear-gradient(145deg, #fffdfb, #ffe3cc); }
.recog-media.recog-device img { object-fit: contain; object-position: center 38%; padding: 24px 20px 58px; }
.recog-media figcaption {
  position: absolute; inset: auto 0 0; padding: 22px 22px 20px;
  background: linear-gradient(transparent, rgba(6,8,6,.86));
  font-size: 13.5px; font-weight: 700; letter-spacing: -.01em; color: #fff;
}
.recog-cards { display: grid; gap: 20px; align-content: stretch; }
.recog-cards .recog-card { padding: 28px 30px; }
.recog-card {
  padding: 40px 32px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); position: relative; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.recog-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: linear-gradient(90deg, var(--lime), transparent);
  opacity: .5; transition: opacity .4s var(--ease);
}
.recog-card:hover { transform: translateY(-5px); border-color: var(--line-2); }
.recog-card:hover::before { opacity: 1; }
.recog-card .role { margin: 0 0 16px; color: var(--faint); font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.recog-card h3 { margin: 0 0 14px; font-size: 26px; font-weight: 800; letter-spacing: -.03em; }
.recog-card h3 span { color: var(--faint); font-size: .6em; font-weight: 700; }
.recog-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; font-weight: 480; }

/* ---------- Split band (contactless / privacy) ---------- */
.split-band { background: var(--bg); }
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.band-card {
  margin: 0; position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); min-height: 420px; display: flex;
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.band-card:hover { transform: translateY(-5px); border-color: var(--line-2); }
.band-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band-card figcaption {
  position: relative; z-index: 2; margin-top: auto; width: 100%;
  padding: 30px 30px 28px;
  background: linear-gradient(transparent, rgba(6,8,6,.55) 30%, rgba(6,8,6,.92));
  color: #fff;
}
.band-tag {
  display: inline-block; margin-bottom: 14px; padding: 5px 12px; border-radius: 7px;
  background: rgba(255,122,26,.18); border: 1px solid rgba(255,159,91,.5);
  color: var(--lime); font-size: 11px; font-weight: 800; letter-spacing: .1em;
}
.band-card h3 { margin: 0 0 10px; font-size: clamp(22px, 2.3vw, 28px); font-weight: 800; letter-spacing: -.03em; }
.band-card p { margin: 0; color: #d6dad6; font-size: 15px; line-height: 1.7; max-width: 40ch; }

/* ---------- PWA visitor showcase ---------- */
.app { background: linear-gradient(180deg, var(--bg), var(--bg-2)); overflow: hidden; }
.pwa-showcase {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  gap: clamp(40px, 6vw, 84px);
  align-items: center;
}
.pwa-copy { margin-bottom: 0; }
.visitor-benefits { display: grid; gap: 12px; margin-top: 30px; }
.visitor-benefits > div {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 15px;
  align-items: center;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 253, 251, .7);
}
.visitor-benefits > div > span {
  display: grid;
  place-items: center;
  width: 58px;
  height: 50px;
  border-radius: 11px;
  background: #211711;
  color: var(--lime);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .04em;
}
.visitor-benefits p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.visitor-benefits b { display: block; margin-bottom: 2px; color: var(--white); font-size: 15px; }

.pwa-demo {
  position: relative;
  min-width: 0;
  padding: 24px clamp(16px, 2.4vw, 30px) 0;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: clamp(22px, 3vw, 34px);
  background:
    radial-gradient(circle at 82% 16%, rgba(255, 122, 26, .2), transparent 28%),
    #211711;
  box-shadow: 0 28px 70px rgba(67, 39, 23, .18);
  overflow: hidden;
}
.demo-caption {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: #fff;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .04em;
}
.demo-caption i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px rgba(255, 122, 26, .62); }
.demo-caption span { margin-left: auto; color: #929a94; font-size: 10.5px; font-weight: 550; letter-spacing: 0; }
.demo-phones { display: flex; align-items: flex-end; justify-content: center; gap: clamp(12px, 2vw, 22px); }
.demo-phone {
  position: relative;
  flex: 0 1 282px;
  min-width: 0;
  height: 512px;
  padding: 12px 10px 0;
  border: 1px solid rgba(255, 255, 255, .24);
  border-bottom: 0;
  border-radius: 30px 30px 0 0;
  background: #f5f5f1;
  color: #171a18;
  box-shadow: 0 20px 45px rgba(0, 0, 0, .35);
  overflow: hidden;
}
.demo-phone-qr { height: 486px; }
.phone-sensor { position: absolute; z-index: 2; top: 8px; left: 50%; width: 62px; height: 17px; transform: translateX(-50%); border-radius: 99px; background: #171a18; }
.phone-status { display: flex; justify-content: space-between; padding: 2px 5px 9px; font-size: 9px; }
.phone-status span { letter-spacing: 2px; }
.phone-title { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; padding: 13px 8px 14px; border-bottom: 1px solid #e1e3dd; }
.phone-title i { color: #5a625d; font-size: 21px; font-style: normal; }
.phone-title b { font-size: 13px; text-align: center; }
.phone-title em { color: #b54800; font-size: 8px; font-style: normal; font-weight: 850; }
.phone-body { padding: 14px 10px 22px; }
.ready-box { display: grid; justify-items: center; padding: 13px 10px; border: 1px solid rgba(41, 151, 114, .24); border-radius: 13px; background: rgba(41, 151, 114, .07); }
.ready-box span { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; background: #299772; color: #fff; font-weight: 850; }
.ready-box b { margin-top: 5px; font-size: 12px; }
.ready-box small { margin-top: 2px; color: #747c75; font-size: 8.5px; }
.pin-demo { margin-top: 11px; padding: 17px 12px; border: 1px solid #e1e3dd; border-radius: 14px; background: #fff; text-align: center; }
.pin-demo small { display: block; color: #747c75; font-size: 8.5px; font-weight: 700; }
.pin-demo strong { display: block; margin: 7px 0 10px; color: #b54800; font-size: 27px; line-height: 1; letter-spacing: .12em; }
.pin-demo p { margin: 0; color: #4f5751; font-size: 9.5px; line-height: 1.55; }
.pin-demo p b { color: #171a18; }
.pin-demo em { display: block; margin-top: 10px; color: #747c75; font-size: 8px; font-style: normal; }
.demo-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 10px; }
.demo-actions span, .demo-actions b { padding: 10px 5px; border-radius: 9px; background: #b54800; color: #fff; font-size: 9px; text-align: center; }
.demo-actions b { background: #ec6a0b; }
.qr-heading { display: grid; justify-items: center; }
.qr-heading span { padding: 4px 9px; border-radius: 99px; background: rgba(41, 151, 114, .1); color: #237f61; font-size: 8px; font-weight: 800; }
.qr-heading b { margin-top: 7px; font-size: 14px; }
.qr-heading small { color: #747c75; font-size: 8.5px; }
.demo-qr { width: 168px; margin: 13px auto 10px; padding: 5px; border: 1px solid #d8dbd5; border-radius: 9px; background: #fff; box-shadow: 0 5px 16px rgba(20, 24, 21, .08); }
.demo-qr svg { width: 100%; height: auto; display: block; }
.qr-guide { margin: 0; color: #4f5751; font-size: 10px; line-height: 1.55; text-align: center; }
.qr-guide b { color: #171a18; }
.qr-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 12px; padding-top: 10px; border-top: 1px solid #e1e3dd; color: #747c75; font-size: 8px; }
.qr-meta b { color: #b54800; }
.visitor-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: clamp(44px, 6vw, 72px) 0 24px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 253, 251, .7);
}
.visitor-steps li { min-height: 174px; padding: 24px 22px; border-left: 1px solid var(--line); }
.visitor-steps li:first-child { border-left: 0; }
.visitor-steps span { color: var(--lime-text); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.visitor-steps b { display: block; margin: 29px 0 8px; font-size: 16px; }
.visitor-steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

/* ---------- Platform pipeline ---------- */
.pipeline {
  display: flex; flex-wrap: wrap; align-items: stretch; gap: 12px;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.pipeline .node {
  flex: 1 1 auto; display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 20px 22px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line);
  font-size: 14px; font-weight: 700; letter-spacing: -.01em; color: var(--white);
}
.pipeline .node.accent { border-color: rgba(181,72,0,.34); background: rgba(255,122,26,.1); color: var(--lime-text); }
.pipeline .arrow { display: flex; align-items: center; color: var(--faint); font-size: 20px; font-weight: 700; }

/* ---------- Segments ---------- */
.segments { background: var(--bg-2); padding-top: 0; }
.seg-hero {
  position: relative; margin-bottom: clamp(40px, 5vw, 68px);
  padding: clamp(90px, 12vw, 180px) 0 clamp(60px, 7vw, 110px);
  background:
    linear-gradient(180deg, rgba(11,13,11,.62), rgba(11,13,11,.88)),
    url("/assets/photos/segments-city.jpg") center 30% / cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.seg-hero .sec-head { margin-bottom: 0; max-width: 760px; }
.seg-hero .sec-head h2 { color: #fff; }
.seg-hero .sec-head .sub { color: #e8ece8; }
.seg-hero .kicker { color: var(--lime); }
.seg-list { margin-bottom: 24px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgba(255,253,251,.72); }
.seg-row {
  display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: center;
  padding: 24px 28px; border-top: 1px solid var(--line);
  transition: background .3s var(--ease);
}
.seg-row:first-child { border-top: none; }
.seg-row:hover { background: var(--panel); }
.seg-name { font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.seg-desc { color: var(--muted); font-size: 15px; font-weight: 480; }
.console { margin-top: 20px; }
.mini { padding: 26px 22px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); }
.mini h4 { margin: 0 0 10px; font-size: 15.5px; font-weight: 700; letter-spacing: -.02em; }
.mini p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.76; font-weight: 480; }

/* ---------- Introduction process ---------- */
.process { background: var(--bg); }
.process-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2);
}
.process-grid li { min-height: 250px; padding: 28px 24px; border-left: 1px solid var(--line); }
.process-grid li:first-child { border-left: 0; }
.process-grid span { color: var(--lime-text); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.process-grid h3 { margin: 70px 0 12px; font-size: 20px; letter-spacing: -.02em; }
.process-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.76; font-weight: 480; }

/* ---------- Spec ---------- */
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.spec-block { padding: 30px 30px 12px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.spec-block h3 {
  margin: 0 0 14px; padding-bottom: 16px; border-bottom: 1px solid var(--line);
  font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--lime-text);
}
.spec-block dl { margin: 0; }
.spec-block dl > div { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 13px 0; border-top: 1px solid var(--line); }
.spec-block dl > div:first-child { border-top: none; }
.spec-block dt { color: var(--muted); font-size: 13.5px; font-weight: 650; }
.spec-block dd { margin: 0; font-size: 14.5px; color: var(--white); font-weight: 500; }
.spec-note { margin: 26px 0 0; color: var(--faint); font-size: 13px; }

/* ---------- FAQ ---------- */
.faq-inner { max-width: 900px; }
.acc details {
  border: 1px solid var(--line); border-radius: 14px; background: var(--panel);
  margin-bottom: 12px; overflow: hidden; transition: border-color .3s var(--ease);
}
.acc details[open] { border-color: var(--line-2); }
.acc summary {
  list-style: none; cursor: pointer; padding: 22px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 16.5px; font-weight: 700; letter-spacing: -.02em; color: var(--white);
}
.acc summary::-webkit-details-marker { display: none; }
.acc .ico { position: relative; flex: none; width: 18px; height: 18px; }
.acc .ico::before, .acc .ico::after { content: ""; position: absolute; background: var(--lime); border-radius: 2px; transition: transform .3s var(--ease); }
.acc .ico::before { inset: 8px 0; height: 2px; }
.acc .ico::after  { inset: 0 8px; width: 2px; }
.acc details[open] .ico::after { transform: scaleY(0); }
.acc details p { margin: 0; padding: 0 24px 24px; color: var(--muted); font-size: 15px; line-height: 1.85; font-weight: 480; }

/* ---------- Contact ---------- */
.contact { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: start; }
.contact-copy .sub { margin: 20px 0 30px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.contact-meta { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.contact-meta li { display: flex; gap: 16px; align-items: baseline; }
.contact-meta span { flex: none; width: 72px; color: var(--faint); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.contact-meta a { font-size: 16px; font-weight: 700; border-bottom: 1px solid var(--line-2); padding-bottom: 2px; transition: color .25s var(--ease), border-color .25s var(--ease); }
.contact-meta a:hover { color: var(--lime); border-color: var(--lime); }

.contact-form {
  padding: clamp(26px, 3vw, 38px); border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); display: grid; gap: 18px;
}
.field { display: grid; gap: 8px; }
.field label { font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .02em; }
.field input, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 11px; background: var(--bg);
  border: 1px solid var(--line-2); color: var(--white); font: inherit; font-size: 15px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--lime); background: var(--bg-2); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.bot-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.consent { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 12.5px; line-height: 1.6; cursor: pointer; }
.consent input { flex: none; width: 16px; height: 16px; margin: 2px 0 0; accent-color: var(--lime-text); }
.btn:disabled { opacity: .62; cursor: wait; transform: none; box-shadow: none; }
.form-status { min-height: 20px; margin: 0; text-align: center; color: var(--muted); font-size: 13px; font-weight: 650; }
.form-status.success { color: #3f6600; }
.form-status.error { color: #b42318; }
.form-hint { margin: 2px 0 0; text-align: center; color: var(--faint); font-size: 12.5px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 40px; background: var(--bg); }
.footer-inner { display: grid; gap: 18px; text-align: center; justify-items: center; }
.footer-logo { width: 132px; opacity: .95; }
.footer-tag { margin: 0; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: var(--muted); font-size: 14px; font-weight: 600; transition: color .25s var(--ease); }
.footer-links a:hover { color: var(--lime); }
.footer-bottom { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 6px; flex-wrap: wrap; }
.copy { margin: 0; color: var(--faint); font-size: 12px; letter-spacing: .04em; }
.partner-link {
  display: inline-flex; align-items: center; justify-content: center; min-height: 30px; padding: 6px 12px;
  border: 1px solid var(--line-2); border-radius: 999px; color: var(--muted); background: transparent;
  font-size: 12px; font-weight: 700; letter-spacing: .02em;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}
.partner-link:hover { color: #2a1305; border-color: var(--lime); background: var(--lime); transform: translateY(-1px); }
.partner-link:focus-visible { outline: 3px solid color-mix(in srgb, var(--lime) 55%, transparent); outline-offset: 3px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.grid .reveal:nth-child(2) { transition-delay: .06s; }
.grid .reveal:nth-child(3) { transition-delay: .12s; }
.grid .reveal:nth-child(4) { transition-delay: .18s; }
.grid .reveal:nth-child(5) { transition-delay: .06s; }
.grid .reveal:nth-child(6) { transition-delay: .12s; }
.grid .reveal:nth-child(7) { transition-delay: .18s; }
.grid .reveal:nth-child(8) { transition-delay: .24s; }

/* ---------- Animations ---------- */
@keyframes blink { 50% { opacity: .3; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1040px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .visitor-steps { grid-template-columns: repeat(2, 1fr); }
  .visitor-steps li:nth-child(3) { border-top: 1px solid var(--line); border-left: 0; }
  .visitor-steps li:nth-child(4) { border-top: 1px solid var(--line); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid li:nth-child(3) { border-top: 1px solid var(--line); border-left: 0; }
  .process-grid li:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .header-cta .btn-ghost { display: none; }
  .menu-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 8px; padding-bottom: 40px; }
  .hero-visual { grid-row: 1; margin-bottom: 8px; }
  .hero-visual img { height: clamp(300px, 40vh, 380px); width: auto; }
  .chip-a { left: 2%; } .chip-b { right: 2%; }
  .grid-3 { grid-template-columns: 1fr; }
  .product-inner { grid-template-columns: 1fr; gap: 42px; }
  .product-copy { max-width: 680px; }
  .product-media { width: 100%; }
  .pwa-showcase { grid-template-columns: 1fr; }
  .pwa-copy { max-width: 720px; }
  .recog-layout { grid-template-columns: 1fr; }
  .recog-media { min-height: 300px; max-height: 420px; }
  .split-2 { grid-template-columns: 1fr; }
  .band-card { min-height: 360px; }
  .contact-inner { grid-template-columns: 1fr; }
  .pipeline .arrow { transform: rotate(90deg); width: 100%; }
  .pipeline .node { flex-basis: 100%; }
  .spec-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .wrap { width: min(100% - 32px, var(--wrap)); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics li:nth-child(2) { border-left: none; }
  .metrics li:nth-child(3), .metrics li:nth-child(4) { border-top: 1px solid var(--line); }
  .grid-cards, .grid-4 { grid-template-columns: 1fr; }
  .visitor-benefits > div { grid-template-columns: 50px 1fr; }
  .visitor-benefits > div > span { width: 50px; height: 46px; font-size: 11px; }
  .pwa-demo { margin-inline: -16px; padding-inline: 16px; border-radius: 0; }
  .demo-caption span { display: none; }
  .demo-phones { justify-content: flex-start; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .demo-phones::-webkit-scrollbar { display: none; }
  .demo-phone { flex: 0 0 268px; scroll-snap-align: center; }
  .visitor-steps { grid-template-columns: 1fr; }
  .visitor-steps li, .visitor-steps li:nth-child(3), .visitor-steps li:nth-child(4) { min-height: 0; border-left: 0; border-top: 1px solid var(--line); }
  .visitor-steps li:first-child { border-top: 0; }
  .visitor-steps b { margin-top: 14px; }
  .seg-row { grid-template-columns: 1fr; gap: 6px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid li, .process-grid li:nth-child(3), .process-grid li:nth-child(4) { min-height: 0; border-left: 0; border-top: 1px solid var(--line); }
  .process-grid li:first-child { border-top: 0; }
  .process-grid h3 { margin-top: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}