/* ─── RESET & VARIABLES ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #f0f2f4;
  --bg-dark:   #0d1117;
  --bg-panel:  #ffffff;
  --ink:       #111318;
  --ink-mid:   #44484f;
  --ink-light: #8a8f99;
  --rule:      #d4d8df;
  --accent:    #034AA6;   /* Blue primary */
  --accent2:   #048ABF;   /* Blue secondary */
  --gold:      #c9a96e;
  --serif:     'Cormorant Garamond', Georgia, serif;
  --sans:      'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  cursor: none;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* ─── CUSTOM CURSOR ─────────────────────────────────────────── */
.cursor {
  position: fixed; width: 7px; height: 7px;
  background: var(--accent); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width .25s, height .25s, background .25s;
}
.cursor-ring {
  position: fixed; width: 30px; height: 30px;
  border: 1px solid var(--accent); border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: width .3s, height .3s, opacity .3s;
  opacity: .4;
}

/* ─── HEADER ────────────────────────────────────────────────── */
header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 52px;
  transition: background .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
header.scrolled {
  background: rgba(240,242,244,.94);
  backdrop-filter: blur(16px);
  padding: 14px 52px;
  border-bottom-color: var(--rule);
}

.logo-wrap {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none;
}
.logo-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 22px; height: 22px; }
.logo-text {
  font-family: var(--serif);
  font-size: 15px; font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink);
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-size: 9px; font-weight: 300; font-style: italic;
  letter-spacing: .18em; color: var(--ink-light);
}

nav { display: flex; gap: 36px; list-style: none; }
nav a {
  font-size: 10px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mid); text-decoration: none;
  transition: color .2s;
}
nav a:hover { color: var(--accent); }

.nav-cta {
  font-size: 9.5px; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--bg-panel); text-decoration: none;
  background: var(--accent);
  padding: 10px 22px;
  transition: background .2s, transform .2s;
}
.nav-cta:hover { background: #023d8a; transform: translateY(-1px); }

/* ─── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: calc(100vh - 56px); min-height: 640px;
  display: grid;
  grid-template-columns: 30% 40% 30%;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}

/* Tech-grid background */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(17,19,24,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,19,24,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none; z-index: 0;
}

/* Large watermark */
.hero-watermark {
  position: absolute; bottom: -40px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--serif);
  font-size: clamp(100px,15vw,200px);
  font-weight: 300; letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(17,19,24,.055);
  white-space: nowrap;
  user-select: none; pointer-events: none; z-index: 0;
}

/* ── HERO LEFT ─────────────────────────────────────────────── */
.hero-left {
  position: relative; z-index: 2;
  padding: 0 36px 0 52px;
  animation: fadeUp .8s .1s both ease;
}

.hero-eyebrow {
  font-size: 8.5px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.hero-eyebrow::before {
  content: ''; display: block;
  width: 24px; height: 2px; background: var(--accent);
}

.hero-brand {
  font-family: var(--serif);
  font-size: 13px; font-weight: 300; font-style: italic;
  letter-spacing: .14em; color: var(--ink-light);
  margin-bottom: 6px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(44px,5.2vw,76px);
  font-weight: 300; line-height: 1.02;
  letter-spacing: -.01em; color: var(--ink);
  margin-bottom: 6px;
}
.hero-title em { font-style: italic; color: var(--accent2); }

.hero-subtitle {
  font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-mid);
  font-weight: 600;
  margin-bottom: 32px;
}

/* price block */
.price-block {
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 28px;
}
.price-label {
  font-size: 8px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-light);
  margin-bottom: 4px;
}
.price-value {
  font-family: var(--serif);
  font-size: 32px; font-weight: 400;
  color: var(--accent);
  letter-spacing: -.01em;
}
.price-note {
  font-size: 9px; color: var(--ink-light); letter-spacing: .06em;
  margin-top: 2px;
}

.badge-row {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.badge {
  font-size: 8px; letter-spacing: .14em;
  text-transform: uppercase;
  background: var(--accent2);
  color: #fff; padding: 5px 10px;
  font-weight: 500;
}
.badge.red { background: var(--accent); }
.badge.outline {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-mid);
}

/* ── HERO CENTER ──────────────────────────────────────────── */
.hero-center {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  height: 100%;
  animation: fadeUp .8s .2s both ease;
}

.scanner-wrap {
  position: relative;
  width: 100%; max-width: 420px;
  display: flex; align-items: center; justify-content: center;
}

.scanner-svg {
  width: 100%; height: auto;
  filter: drop-shadow(0 32px 64px rgba(0,0,0,.16))
          drop-shadow(0 4px 16px rgba(0,0,0,.1));
  transition: transform .6s ease, filter .4s ease;
}
.scanner-svg:hover {
  transform: translateY(-8px) rotate(-1deg);
  filter: drop-shadow(0 48px 80px rgba(0,0,0,.2))
          drop-shadow(0 8px 24px rgba(0,0,0,.14));
}

.scanner-glow {
  position: absolute; bottom: -20px; left: 50%;
  transform: translateX(-50%);
  width: 60%; height: 20px;
  background: radial-gradient(ellipse, rgba(3,74,166,.12) 0%, transparent 70%);
  border-radius: 50%;
}

/* scan beam animation */
.scan-beam {
  position: absolute;
  top: 35%; left: 18%; right: 18%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanBeam 2.8s ease-in-out infinite;
  opacity: 0;
  border-radius: 2px;
}
@keyframes scanBeam {
  0%,100% { opacity: 0; transform: scaleX(.3); }
  30%      { opacity: .9; transform: scaleX(1); }
  60%      { opacity: .6; transform: scaleX(.9); }
  80%      { opacity: 0; transform: scaleX(.2); }
}

/* ── HERO RIGHT ──────────────────────────────────────────── */
.hero-right {
  position: relative; z-index: 2;
  padding: 0 52px 0 36px;
  animation: fadeUp .8s .3s both ease;
}

.spec-label {
  font-size: 9px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-mid);
  font-weight: 700;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.spec-label::after {
  content: ''; flex: 1; height: 1px; background: var(--rule);
}

.quick-specs { list-style: none; margin-bottom: 30px; }
.quick-specs li {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--ink-mid);
  padding: 9px 0; border-bottom: 1px solid var(--rule);
  letter-spacing: .01em;
  font-weight: 400;
}
.quick-specs li:first-child { border-top: 1px solid var(--rule); }
.quick-specs li strong { color: var(--ink); font-weight: 600; }

.variant-label {
  font-size: 8.5px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-light);
  margin-bottom: 10px;
}
.variants { display: flex; flex-direction: column; gap: 6px; margin-bottom: 28px; }
.variant-chip {
  font-size: 10px; letter-spacing: .06em;
  color: var(--ink-mid); border: 1px solid var(--rule);
  padding: 8px 14px; cursor: none;
  transition: border-color .2s, color .2s, background .2s;
  display: flex; justify-content: space-between; align-items: center;
}
.variant-chip.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(3,74,166,.04);
}
.variant-chip:hover { border-color: var(--ink-mid); color: var(--ink); }
.variant-price { font-weight: 500; }

.btn-quote {
  display: block; text-align: center;
  font-size: 10px; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: #fff; text-decoration: none;
  background: var(--accent);
  padding: 15px 28px; margin-bottom: 10px;
  transition: background .2s, transform .2s;
}
.btn-quote:hover { background: #023d8a; transform: translateY(-2px); }

.btn-download {
  display: block; text-align: center;
  font-size: 9px; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-mid); text-decoration: none;
  padding: 12px 28px; border: 1px solid var(--rule);
  transition: border-color .2s, color .2s;
}
.btn-download:hover { border-color: var(--accent2); color: var(--accent2); }

/* scroll hint */
.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: .4; animation: fadeUp .8s 1.1s both ease;
}
.scroll-hint span {
  font-size: 8px; letter-spacing: .24em;
  text-transform: uppercase; color: var(--ink-light);
  writing-mode: vertical-rl; transform: rotate(180deg);
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite ease-in-out;
}
@keyframes scrollPulse {
  0%,100% { transform: scaleY(1); opacity: .5; }
  50% { transform: scaleY(.4) translateY(14px); opacity: 1; }
}

/* ─── SECTION: SPECS ────────────────────────────────────────── */
.section-specs {
  background: var(--bg-panel);
  padding: 110px 52px;
}

.section-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 70px;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(44px,6vw,84px);
  font-weight: 300; line-height: 1;
  letter-spacing: -.02em; color: var(--ink);
}
.section-title em { font-style: italic; color: var(--accent); }
.section-desc {
  max-width: 280px; padding-top: 8px;
  font-size: 13px; line-height: 1.8;
  color: var(--ink-mid); letter-spacing: .01em;
  font-weight: 400;
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: start;
}

/* Scanner diagram — real photo */
.scanner-diagram { display: flex; flex-direction: column; gap: 20px; }

.spec-photo-wrap {
  position: relative;
  background: #f8f9fa;
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 32px;
  min-height: 420px;
}

.spec-product-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 16px 40px rgba(0,0,0,.12));
  transition: transform .5s ease, filter .4s ease;
  display: block;
  margin: 0 auto;
}
.spec-product-img:hover {
  transform: scale(1.04) translateY(-4px);
  filter: drop-shadow(0 24px 52px rgba(0,0,0,.18));
}

/* Dimension callout overlays */
.spec-dim {
  position: absolute;
  display: flex; align-items: center;
  gap: 5px;
}
.spec-dim-h {
  left: 10px; top: 50%;
  transform: translateY(-50%);
  flex-direction: column;
}
.spec-dim-w {
  bottom: 14px; left: 50%;
  transform: translateX(-50%);
  flex-direction: row;
}
.dim-line-v {
  display: block; width: 1px; height: 60px;
  background: linear-gradient(to bottom, transparent, var(--rule), transparent);
}
.dim-line-h {
  display: block; height: 1px; width: 60px;
  background: linear-gradient(to right, transparent, var(--rule), transparent);
}
.dim-label {
  font-size: 9px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-light);
  white-space: nowrap;
  background: #f8f9fa;
  padding: 2px 4px;
}

/* Caption tags below image */
.spec-photo-caption {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.spec-photo-tag {
  font-size: 9.5px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-mid);
  border: 1px solid var(--rule);
  padding: 6px 12px;
  transition: border-color .2s, color .2s;
}
.spec-photo-tag:hover { border-color: var(--accent); color: var(--accent); }

/* Spec table */
.spec-table { padding-top: 8px; }
.spec-cat {
  font-size: 9px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent);
  font-weight: 700; padding: 18px 0 8px;
  border-bottom: 2px solid var(--accent);
  margin-bottom: 0;
}
.spec-row {
  display: grid; grid-template-columns: 44% 56%;
  padding: 13px 0; border-bottom: 1px solid var(--rule);
  transition: background .2s;
}
.spec-row:hover { background: rgba(3,74,166,.025); }
.spec-key {
  font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-mid);
  font-weight: 600;
}
.spec-val { font-size: 13px; color: var(--ink); font-weight: 400; }

/* ─── FEATURES CALLOUT ──────────────────────────────────────── */
.section-features {
  background: var(--bg-dark);
  padding: 110px 52px; overflow: hidden; position: relative;
}

/* Subtle grid */
.section-features::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.features-header { text-align: center; margin-bottom: 72px; }
.features-title {
  font-family: var(--serif);
  font-size: clamp(32px,4.5vw,62px);
  font-weight: 300; line-height: 1.1;
  letter-spacing: -.01em; color: #ffffff;
  max-width: 720px; margin: 0 auto 14px;
}
.features-title em { font-style: italic; color: var(--accent); }
.features-byline {
  font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: rgba(255,255,255,.3);
}

/* Diagram */
.callout-diagram {
  position: relative;
  max-width: 940px; margin: 0 auto;
  height: 500px;
  display: flex; align-items: center; justify-content: center;
}

.callout-moto {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 52%; z-index: 2;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(3,74,166,.15));
}

.connectors-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}

.callout { position: absolute; z-index: 3; max-width: 175px; }
.callout-name {
  font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: #ffffff;
  font-weight: 700; margin-bottom: 6px;
  display: flex; align-items: center; gap: 7px;
}
.callout-name::before {
  content: ''; display: block;
  width: 18px; height: 1.5px;
  background: var(--accent); flex-shrink: 0;
}
.callout-text {
  font-size: 11.5px; line-height: 1.7;
  color: rgba(255,255,255,.65); letter-spacing: .01em;
  font-weight: 400;
}

.callout-1 { top: 5%;  left: 1%; text-align: right; }
.callout-1 .callout-name { flex-direction: row-reverse; }
.callout-1 .callout-name::before { order: 0; }

.callout-2 { bottom: 5%; left: 1%; text-align: right; }
.callout-2 .callout-name { flex-direction: row-reverse; }
.callout-2 .callout-name::before { order: 0; }

.callout-3 { top: 5%;  right: 1%; text-align: left; }
.callout-3 .callout-name::before { background: #4a90d9; }

.callout-4 { bottom: 5%; right: 1%; text-align: left; }
.callout-4 .callout-name::before { background: #4a90d9; }

/* ─── USE CASES STRIP ───────────────────────────────────────── */
.section-usecases {
  background: var(--bg-panel);
  padding: 100px 52px;
}

.usecase-title {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 60px);
  font-weight: 300; letter-spacing: -.01em;
  color: var(--ink); margin-bottom: 56px;
  text-align: center;
}
.usecase-title em { font-style: italic; color: var(--accent2); }

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.usecase-card {
  background: var(--bg);
  padding: 40px 30px;
  position: relative; overflow: hidden;
  transition: background .3s;
}
.usecase-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--rule);
  transition: background .3s;
}
.usecase-card:hover { background: var(--bg-panel); }
.usecase-card:hover::before { background: var(--accent); }

.usecase-num {
  font-family: var(--serif);
  font-size: 52px; font-weight: 300;
  color: rgba(17,19,24,.07);
  line-height: 1; margin-bottom: 16px;
  font-style: italic;
}
.usecase-icon {
  width: 40px; height: 40px; margin-bottom: 14px;
}
.usecase-name {
  font-size: 10px; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink); margin-bottom: 10px;
}
.usecase-desc {
  font-size: 12.5px; line-height: 1.75;
  color: var(--ink-mid); letter-spacing: .01em;
  font-weight: 400;
}

/* ─── MODELS TABLE ───────────────────────────────────────────── */
.section-models {
  background: var(--bg);
  padding: 100px 52px;
}

.models-title {
  font-family: var(--serif);
  font-size: clamp(36px,4vw,58px);
  font-weight: 300; color: var(--ink);
  margin-bottom: 48px;
  letter-spacing: -.01em;
}
.models-title em { font-style: italic; color: var(--accent); }

.models-table {
  width: 100%; border-collapse: collapse;
}
.models-table thead th {
  font-size: 8.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-light);
  font-weight: 400; padding: 12px 16px;
  text-align: left; border-bottom: 1px solid var(--rule);
}
.models-table tbody td {
  font-size: 12px; color: var(--ink-mid);
  padding: 16px 16px; border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}
.models-table tbody tr:hover td { background: rgba(3,74,166,.025); }
.models-table .model-name {
  font-size: 12px; color: var(--ink); font-weight: 500;
}
.models-table .model-tag {
  display: inline-block;
  font-size: 7.5px; letter-spacing: .14em;
  text-transform: uppercase;
  background: var(--accent2); color: #fff;
  padding: 3px 7px; margin-left: 6px;
  vertical-align: middle;
}
.models-table .model-tag.red { background: var(--accent); }
.models-table .checkmark {
  color: var(--accent); font-size: 16px; font-weight: 300;
}
.models-table .dash { color: var(--rule); }

/* ─── FOOTER CTA ─────────────────────────────────────────────── */
.footer-cta {
  background: var(--accent2);
  padding: 100px 52px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}

.footer-cta-title {
  font-family: var(--serif);
  font-size: clamp(36px,5vw,70px);
  font-weight: 300; line-height: 1.06;
  letter-spacing: -.01em; color: #ffffff;
}
.footer-cta-title em { font-style: italic; color: var(--gold); }

.footer-cta-body {
  font-size: 14px; line-height: 1.85;
  color: rgba(255,255,255,.7); margin-bottom: 32px;
  letter-spacing: .01em; font-weight: 400;
}

.contact-info { margin-bottom: 32px; }
.contact-row {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; color: rgba(255,255,255,.5);
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.1);
}
.contact-row strong { color: #fff; min-width: 80px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }

.btn-contact {
  display: inline-block;
  font-size: 10px; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent2); background: #fff;
  text-decoration: none; padding: 16px 40px;
  transition: background .2s, transform .2s;
  margin-right: 16px;
}
.btn-contact:hover { background: var(--gold); transform: translateY(-2px); }

.btn-outline-white {
  display: inline-block;
  font-size: 10px; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.3);
  text-decoration: none; padding: 15px 30px;
  transition: border-color .2s, color .2s;
}
.btn-outline-white:hover { border-color: #fff; color: #fff; }

/* ─── FOOTER ──────────────────────────────────────────────────── */
footer {
  background: var(--bg-dark);
  padding: 44px 52px;
  display: flex; align-items: center; justify-content: space-between;
}

.footer-logo {
  font-family: var(--serif); font-size: 17px;
  font-style: italic; font-weight: 300;
  color: rgba(255,255,255,.35); letter-spacing: .1em;
}
.footer-logo strong { font-style: normal; font-weight: 600; color: rgba(255,255,255,.7); }

.footer-links { display: flex; gap: 28px; list-style: none; }
.footer-links a {
  font-size: 9px; letter-spacing: .14em;
  text-transform: uppercase; color: rgba(255,255,255,.25);
  text-decoration: none; transition: color .2s;
}
.footer-links a:hover { color: rgba(255,255,255,.7); }

.footer-copy {
  font-size: 9px; letter-spacing: .1em;
  color: rgba(255,255,255,.18); text-transform: uppercase;
}

/* ─── PRODUCT INTRO BANNER ──────────────────────────────────── */
.product-intro {
  background: var(--accent2);
  padding: 18px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 84px; /* push below fixed header */
}
.product-intro-text {
  font-size: 13px; line-height: 1.7;
  color: rgba(255,255,255,.85);
  font-weight: 400; letter-spacing: .01em;
  max-width: 780px;
}
.product-intro-text strong {
  color: #ffffff; font-weight: 600;
}
.product-intro-badge {
  display: flex; gap: 10px; flex-shrink: 0; align-items: center;
}
.intro-tag {
  font-size: 8.5px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
  padding: 6px 12px; white-space: nowrap;
  border: 1px solid rgba(255,255,255,.2);
}

/* ── SCANNER PRODUCT IMAGE ───────────────────────────────────── */
.scanner-img-wrap {
  position: relative;
  width: 100%; max-width: 380px;
  display: flex; align-items: center; justify-content: center;
}
.scanner-product-img {
  width: 100%; height: auto; max-height: 460px;
  object-fit: contain;
  filter: drop-shadow(0 28px 56px rgba(0,0,0,.18))
          drop-shadow(0 4px 14px rgba(0,0,0,.1));
  transition: transform .6s cubic-bezier(.25,.46,.45,.94),
              filter .4s ease;
}
.scanner-product-img:hover {
  transform: translateY(-10px) scale(1.02);
  filter: drop-shadow(0 44px 72px rgba(0,0,0,.22))
          drop-shadow(0 8px 24px rgba(0,0,0,.14));
}
.scanner-img-glow {
  position: absolute; bottom: -16px; left: 50%;
  transform: translateX(-50%);
  width: 55%; height: 18px;
  background: radial-gradient(ellipse, rgba(3,74,166,.14) 0%, transparent 70%);
  border-radius: 50%;
}
/* Fallback placeholder shown while image loads */
.scanner-img-fallback {
  display: none;
  width: 100%; height: 380px;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 12px;
  color: var(--ink-light);
}
.scanner-product-img.error + .scanner-img-fallback { display: flex; }

@media (max-width: 768px) {
  .product-intro { padding: 14px 20px; flex-direction: column; margin-top: 72px; }
  .product-intro-badge { flex-wrap: wrap; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; height: auto; padding: 40px 28px 60px; }
  .hero-left, .hero-right { padding: 0; margin-bottom: 36px; }
  .hero-center { margin-bottom: 36px; }
  .scanner-img-wrap { max-width: 280px; margin: 0 auto; }
  .specs-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr 1fr; }
  .footer-cta { grid-template-columns: 1fr; }
  .callout-diagram { height: auto; flex-direction: column; }
  .callout-moto { position: relative; left: auto; top: auto; transform: none; width: 75%; margin: 0 auto 32px; display: block; }
  .callout { position: relative; top: auto !important; left: auto !important; right: auto !important; bottom: auto !important; max-width: 100%; text-align: left; margin-bottom: 20px; }
  .callout-name { flex-direction: row !important; }
  .callout-name::before { display: block !important; }
  .connectors-svg { display: none; }
}
@media (max-width: 768px) {
  header { padding: 18px 20px; }
  header.scrolled { padding: 12px 20px; }
  nav { display: none; }
  .section-specs, .section-features, .section-usecases, .section-models, .footer-cta { padding: 70px 20px; }
  footer { flex-direction: column; gap: 20px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .usecase-grid { grid-template-columns: 1fr; }
  .models-table { font-size: 10px; }
  .models-table thead th, .models-table tbody td { padding: 10px 8px; }
}

/* ─── SEARCH & TAILWIND POLYFILL ───────────────────────────────────────── */
.search-input-container { position: relative; display: flex; align-items: center; transition: all 0.3s ease; }
.search-input-container.w-0 { width: 0; opacity: 0; pointer-events: none; }
.search-input-container.w-64 { width: 220px; opacity: 1; margin-right: 12px; pointer-events: auto; }
.search-input { width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--ink-mid); padding: 4px 8px; font-family: var(--sans); font-size: 11px; color: var(--ink); outline: none; }
.search-input::placeholder { color: var(--ink-light); }
.search-btn { background: transparent; border: 1px solid var(--rule); border-radius: 50%; padding: 8px; cursor: pointer; color: var(--ink); display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.search-btn:hover { background: rgba(17,19,24,.05); border-color: var(--ink-mid); }
#searchResults { position: absolute; top: calc(100% + 15px); right: 0; width: 320px; background: var(--bg-panel); border: 1px solid var(--rule); border-radius: 8px; font-family: var(--sans); z-index: 1000; box-shadow: 0 12px 40px rgba(0,0,0,0.1); display: none; text-align: left; }
#searchResults:not(.hidden) { display: block; }
#resultsList { max-height: 350px; overflow-y: auto; }
/* Search result items (Tailwind classes overridden) */
#resultsList .p-3 { padding: 12px 16px; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 14px; cursor: pointer; transition: background 0.2s; text-decoration: none; }
#resultsList .p-3:last-child { border-bottom: none; }
#resultsList .p-3:hover { background: rgba(17,19,24,.03); }
#resultsList .w-10 { width: 44px; flex-shrink: 0; }
#resultsList .h-10 { height: 44px; }
#resultsList .rounded-md { border-radius: 6px; overflow: hidden; background: #fff; border: 1px solid var(--rule); }
#resultsList img { width: 100%; height: 100%; object-fit: contain; }
#resultsList .text-white { color: var(--ink) !important; font-size: 13px; font-weight: 600; margin-bottom: 2px; line-height: 1.3; }
#resultsList .text-gray-400 { color: var(--ink-light); font-size: 11px; margin: 0; }
#resultsList .group:hover p.group-hover\:text-cyan-400 { color: var(--accent) !important; }


/* CSS bổ sung cho Review System giả lập Tailwind - Light Theme version */
.relative { position: relative; }
.z-20 { z-index: 20; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-12 { margin-bottom: 3rem; }
.glass-panel { background: rgba(0, 0, 0, 0.03); backdrop-filter: blur(10px); border: 1px solid rgba(0, 0, 0, 0.1); }
.p-8 { padding: 2rem; }
.rounded-2xl { border-radius: 1rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.font-bold { font-weight: 700; }
.text-white { color: #000; } /* Đổi mã màu sang đen cho nội dung text */
.text-white-btn { color: #fff; } /* Giữ nút màu trắng */
.mb-6 { margin-bottom: 1.5rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.text-white\/40 { color: rgba(0, 0, 0, 0.5); }
.italic { font-style: italic; }
.bg-black\/20 { background-color: rgba(0, 0, 0, 0.05); }
.p-6 { padding: 1.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.border-white\/5 { border-color: rgba(0, 0, 0, 0.1); }
.border { border-width: 1px; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.mb-4 { margin-bottom: 1rem; }
.block { display: block; }
.text-white\/60 { color: rgba(0, 0, 0, 0.7); }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.flex { display: flex; }
.gap-2 { gap: 0.5rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.cursor-pointer { cursor: pointer; }
.star-btn { color: #d1d5db; transition: color 150ms; }
.star-btn:hover, .star-btn.active { color: #facc15; }
.grid { display: grid; }
.gap-4 { gap: 1rem; }
@media (min-width: 768px) { .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .md\:w-auto { width: auto; } }
.w-full { width: 100%; box-sizing: border-box; }
.bg-white\/5 { background-color: rgba(255, 255, 255, 0.8); }
.border-white\/10 { border-color: rgba(0, 0, 0, 0.15); }
.rounded-lg { border-radius: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.focus\:outline-none:focus { outline: none; border-color: #4ade80; }
.transition-colors { transition: all 150ms; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.bg-green-500 { background-color: #22c55e; border: none; cursor: pointer; }
.hover\:bg-green-600:hover { background-color: #16a34a; }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.shadow-green-500\/20 { box-shadow: 0 10px 15px -3px rgba(34,197,94,0.2); }


/* CSS cho Sticky Mobile Footer */
.sticky-mobile-footer {
    position: fixed; bottom: 0; left: 0; width: 100%; z-index: 50;
    display: none; grid-template-columns: repeat(2, minmax(0, 1fr));
    background-color: rgba(0, 0, 0, 0.8); backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
@media (max-width: 768px) { .sticky-mobile-footer { display: grid; } }
.sticky-mobile-footer a {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 0.75rem; color: white; text-decoration: none;
    transition: all 0.3s ease;
}
.sticky-mobile-footer a:first-child { border-right: 1px solid rgba(255, 255, 255, 0.1); }
.sticky-mobile-footer a:hover { background-color: rgba(255, 255, 255, 0.1); }
.sticky-mobile-footer a:active { transform: scale(0.95); }
.sticky-mobile-footer i { font-size: 1.25rem; margin-bottom: 0.25rem; }
.text-green-400 { color: #4ade80; }
.text-blue-400 { color: #60a5fa; }
.sticky-font-btn { font-size: 0.75rem; font-weight: bold; font-family: sans-serif; }