/* ==========================================================================
   ScanGo WMS — Premium Marketing Site & Interactive Experience
   Design System, Glassmorphism, 3D Parallax, Dynamic Micro-Animations
   Colors: Navy #06111C/#0C1A29 · Royal Blue #0042B3/#0052CC · Amber #FF8800 · Emerald #00B377
   ========================================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --navy-950: #02060A;
  --navy-900: #06111C;
  --navy-800: #0C1A29;
  --navy-700: #152538;
  --blue-700: #0042B3;
  --blue-600: #0052CC;
  --blue-500: #1A66FF;
  --blue-400: #4D88FF;
  --blue-100: #E6EFFF;
  --amber-600: #CC6600;
  --amber-500: #FF8800;
  --amber-400: #FFA333;
  --amber-100: #FFF3E6;
  --orange-600: #E64D00;
  --emerald-600: #008055;
  --emerald-500: #00B377;
  --emerald-100: #E6FAF4;
  --cyan-500: #00A3CC;
  --ink: #0C1A29;
  --body: #3D4A5C;
  --muted: #6B7B8F;
  --bg: #FAFBFC;
  --bg-alt: #F2F4F7;
  --line: #E1E5EB;
  --white: #FFFFFF;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(6,17,28,.04), 0 8px 24px rgba(6,17,28,.06);
  --shadow-md: 0 12px 36px rgba(6,17,28,.1);
  --shadow-lg: 0 24px 64px rgba(6,17,28,.18);
  --shadow-glow: 0 0 40px rgba(0,82,204,.25);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

/* Stop the browser from auto-scrolling the page when content above/around the
   click point resizes (demo tabs, phone screens, form steps). */
html, body { overflow-anchor: none; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #06111C; }
::-webkit-scrollbar-thumb { background: #0052CC; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #1A66FF; }

/* Scroll progress bar at top */
#scrollProgress {
  position: fixed;
  top: 0; left: 0;
  height: 3.5px;
  width: 0%;
  background: linear-gradient(90deg, #FF8800 0%, #0052CC 50%, #00B377 100%);
  z-index: 1000;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px rgba(0,82,204,0.8);
}

h1, h2, h3, h4 { color: var(--ink); font-weight: 800; line-height: 1.15; margin: 0 0 .6em; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.4rem, 5.2vw, 3.8rem); }
h2 { font-size: clamp(1.85rem, 3.8vw, 2.75rem); }
h3 { font-size: 1.25rem; margin-bottom: .4em; }
p { margin: 0 0 1em; }
img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; }
svg { flex-shrink: 0; }

.container { width: min(1200px, 92%); margin-inline: auto; }

section { position: relative; }

/* ---------- Utilities ---------- */
.accent { color: var(--amber-500); }
.accent-dark { color: var(--blue-600); }
.accent-emerald { color: var(--emerald-500); }
.accent-blue { color: var(--blue-600); }
.accent-amber { color: var(--amber-500); }
.caption { color: var(--muted); font-size: .95rem; margin-top: 2rem; }
.center { text-align: center; }

.section { padding: clamp(4.5rem, 9.5vw, 7rem) 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-navy {
  background: linear-gradient(160deg, #02060A 0%, var(--navy-900) 50%, #0C1A29 100%);
  color: #cbd5e1;
}
.section-navy h2 { color: var(--white); }
.section-navy .sub { color: #9fb3cc; }
.section-grad { background: linear-gradient(135deg, var(--navy-900), var(--blue-700)); color: #cbd5e1; }

.section-head { max-width: 780px; margin: 0 auto clamp(2.5rem, 6vw, 4rem); text-align: center; }
.section-head.light h2 { color: var(--white); }
.section-head .sub { font-size: 1.15rem; color: var(--muted); margin-top: .8rem; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-600);
  background: var(--blue-100);
  padding: .4em 1.1em;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.kicker-emerald { color: var(--emerald-600); background: var(--emerald-100); }
.kicker-blue { color: var(--blue-600); background: var(--blue-100); }
.kicker-amber { color: var(--amber-600); background: var(--amber-100); }
.section-navy .kicker, .section-grad .kicker { background: rgba(255,255,255,.12); color: var(--amber-500); }

/* ---------- Buttons & Ripples ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-weight: 700;
  font-size: 1rem;
  padding: .95em 1.85em;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all .25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn:hover { transform: translateY(-3px) scale(1.02); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-cta {
  background: linear-gradient(135deg, #FF8800 0%, #CC6600 100%);
  color: var(--navy-900);
  box-shadow: 0 10px 28px rgba(255,136,0,.38);
}
.btn-cta:hover {
  background: linear-gradient(135deg, #FFA333 0%, #FF8800 100%);
  box-shadow: 0 16px 36px rgba(255,136,0,.5);
}

.btn-ghost {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.6);
}

.btn-primary {
  background: linear-gradient(135deg, #0052CC 0%, #0042B3 100%);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(0,82,204,.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1A66FF 0%, #0052CC 100%);
  box-shadow: 0 14px 32px rgba(0,82,204,.45);
}

/* ---------- Arrow micro-interaction ---------- */
.btn-arrow {
  display: inline-block;
  transition: transform .2s cubic-bezier(.16, 1, 0.3, 1);
  will-change: transform;
}
.btn:hover .btn-arrow,
.btn:active .btn-arrow { transform: translateX(4px); }
.nav-cta:hover .btn-arrow { transform: translateX(4px); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--white);
  border: 1px solid var(--line);
  padding: .5em 1em;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: all .2s ease;
}
.badge:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.badge.dark { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); color: var(--white); }

/* ---------- Navigation (floating pill) ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 14px 14px 0;
  background: none;
  pointer-events: none;
}
.nav-inner { pointer-events: auto; }

.nav.scrolled .nav-inner {
  background: rgba(255,255,255,.98);
  box-shadow: 0 14px 44px rgba(6,17,28,.2);
  border-color: rgba(255,255,255,.9);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  width: fit-content;
  max-width: 100%;
  height: 58px;
  padding: 0 14px 0 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.7);
  box-shadow: 0 10px 30px rgba(6,17,28,.14);
  transition: box-shadow .25s ease, background .25s ease, border-color .25s ease;
}

.logo { display: inline-flex; align-items: center; gap: .6em; }
.logo-img { height: 88px; width: auto; display: block; transition: transform .3s ease; }
.nav-inner .logo-img { height: 44px; }
.logo:hover .logo-img { transform: scale(1.06); }
.logo-text { font-size: 1.35rem; font-weight: 900; color: var(--navy-900); letter-spacing: -0.025em; }
.logo-text em { font-style: normal; color: var(--amber-500); }

.nav-links { display: flex; align-items: center; gap: 1.8rem; }
.nav-links a {
  color: var(--navy-800);
  font-weight: 600;
  font-size: .95rem;
  position: relative;
  padding: 4px 0;
  transition: color .2s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--blue-600);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform .25s ease;
}
.nav-links a:hover { color: var(--blue-600); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-links .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  background: linear-gradient(135deg, #0052CC, #0042B3);
  color: var(--white);
  padding: .6em 1.4em;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0,82,204,.3);
  transition: all .25s ease;
}
.nav-links .nav-cta::after { display: none; }
.nav-links .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,82,204,.45); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 3px; background: var(--navy-900); border-radius: 3px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero & Ambient Glowing Mesh ---------- */
.hero {
  background: linear-gradient(145deg, #02060A 0%, var(--navy-900) 50%, #0C1A29 100%);
  color: var(--white);
  padding: 160px 0 70px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  left: -150px; top: -150px;
  background: radial-gradient(circle, rgba(0,82,204,.35) 0%, rgba(0,163,204,.15) 45%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  animation: heroGlowPulse 8s ease-in-out infinite alternate;
}
@keyframes heroGlowPulse {
  0% { transform: scale(1) translate(0, 0); opacity: 0.8; }
  100% { transform: scale(1.2) translate(40px, 30px); opacity: 1; }
}

.hero-glow-right {
  position: absolute;
  width: 600px; height: 600px;
  right: -100px; bottom: -100px;
  background: radial-gradient(circle, rgba(255,136,0,.22) 0%, rgba(0,82,204,.15) 50%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 3.5rem; align-items: center; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  background: rgba(255,136,0,.16);
  color: var(--amber-400);
  border: 1px solid rgba(255,136,0,.35);
  font-size: .88rem; font-weight: 700;
  padding: .5em 1.2em; border-radius: 999px; margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(255,136,0,.15);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.hero-eyebrow:hover {
  border-color: rgba(255,136,0,.65);
  box-shadow: 0 0 28px rgba(255,136,0,.28);
}
.hero-eyebrow:hover .btn-arrow { transform: translateX(4px); }
.hero h1 { color: var(--white); margin-bottom: .6em; }
.hero .lead { font-size: 1.22rem; color: #cbd5e1; margin-bottom: 2rem; max-width: 35em; line-height: 1.7; }
.hero .lead strong { color: var(--white); }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero-trust { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-trust .badge { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); color: #e2e8f0; backdrop-filter: blur(8px); }

/* ---------- Interactive Hero Phone Mockup ---------- */
.hero-phone { display: flex; flex-direction: column; align-items: center; gap: 1.2rem; position: relative; }

/* Interactive phone screen tabs */
.phone-tabs-bar {
  display: flex;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  padding: 5px;
  border-radius: 999px;
  backdrop-filter: blur(12px);
  margin-bottom: 4px;
}
.phone-tab-btn {
  background: transparent;
  border: 0;
  color: #94a3b8;
  font-size: .75rem;
  font-weight: 700;
  padding: .4em .85em;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s ease;
}
.phone-tab-btn:hover { color: #fff; }
.phone-tab-btn.active {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,82,204,.4);
}

.phone {
  position: relative;
  width: 290px;
  padding: 14px;
  background: linear-gradient(180deg, #1e293b, #090d16);
  border-radius: 42px;
  box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 0 10px rgba(255,255,255,.08), var(--shadow-glow);
  border: 1px solid rgba(255,255,255,.2);
  transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .3s ease;
  transform-style: preserve-3d;
}
.phone:hover { transform: translateY(-6px) rotate(1deg); box-shadow: 0 40px 90px rgba(0,0,0,.7), 0 0 0 10px rgba(255,255,255,.1), var(--shadow-glow); }

.phone-notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%) translateZ(10px);
  width: 98px; height: 22px; background: #000; border-radius: 0 0 16px 16px; z-index: 5;
}
.phone-status {
  display: flex; justify-content: space-between;
  font-size: .7rem; color: #fff; padding: 4px 10px 8px; font-weight: 600;
  transform: translateZ(20px);
}
.phone-appbar {
  display: flex; align-items: center; gap: 10px;
  background: #06111C; color: #fff;
  padding: 10px 12px; border-radius: 14px; margin-top: 6px;
  border: 1px solid rgba(255,255,255,.1);
  transform: translateZ(30px);
  box-shadow: 0 10px 20px rgba(0,0,0,.3);
}
.phone-appbar .app-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #1A66FF, #0042B3); color: #fff;
  display: grid; place-items: center; font-size: .95rem; font-weight: 800;
}
.phone-appbar strong { font-size: .82rem; display: block; }
.phone-appbar small { font-size: .65rem; color: #94a3b8; }
.phone-appbar .app-menu { margin-left: auto; font-weight: 800; letter-spacing: 2px; }

.phone-body {
  padding: 14px 2px 2px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 310px;
  position: relative;
  overflow: hidden;
  transform: translateZ(15px);
}

/* Simulated laser scanner overlay animation */
.scan-laser {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #EF4444 30%, #EF4444 70%, transparent);
  box-shadow: 0 0 12px #EF4444;
  z-index: 10;
  animation: scanLaserAnim 2.5s ease-in-out infinite;
}
@keyframes scanLaserAnim {
  0% { top: 10%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}

.section-tag-screen { font-size: .64rem; font-weight: 800; letter-spacing: .14em; color: #38bdf8; margin: 0; }

.phone-card {
  background: #fff; border-radius: 14px; padding: 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transition: transform .25s ease, opacity .25s ease, box-shadow .25s ease;
  border: 1px solid #e2e8f0;
  transform: translateZ(25px);
}
.phone-card:hover { transform: translateZ(35px) scale(1.02); box-shadow: 0 8px 24px rgba(0,0,0,.3); }
.card-row { display: flex; align-items: center; gap: 10px; min-width: 0; }
.card-row strong { font-size: .8rem; color: var(--ink); display: block; }
.card-row small { font-size: .66rem; color: var(--muted); }
.barcode-chip {
  width: 32px; height: 22px; flex-shrink: 0;
  background: repeating-linear-gradient(90deg, var(--ink) 0 2px, transparent 2px 5px);
  border-radius: 4px;
}
.pill { font-size: .62rem; font-weight: 800; padding: .38em .75em; border-radius: 999px; white-space: nowrap; }
.pill-emerald { background: var(--emerald-100); color: var(--emerald-600); }
.pill-blue { background: var(--blue-100); color: var(--blue-600); }
.pill-amber { background: var(--amber-100); color: var(--amber-600); }

.phone-fab {
  display: flex; align-items: center; justify-content: center; gap: .5em;
  background: linear-gradient(135deg, #0052CC, #0042B3); color: #fff; border: 0; cursor: pointer;
  font-weight: 700; font-size: .85rem;
  padding: .85em; border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,82,204,.45);
  margin-top: auto;
  transition: all .2s ease;
  transform: translateZ(40px);
}
.phone-fab:hover { transform: translateZ(50px) scale(1.04); background: linear-gradient(135deg, #1A66FF, #0052CC); box-shadow: 0 12px 32px rgba(0,82,204,.6); }

.hero-caption { display: inline-flex; align-items: center; gap: .6em; font-size: .85rem; color: #cbd5e1; }
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: #00B377; position: relative; }
.pulse-dot::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: rgba(0,179,119,.6); animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(2.8); opacity: 0; } }

.hero-logos-strip { margin-top: 3.5rem; border-top: 1px solid rgba(255,255,255,.12); }
.strip-inner { display: flex; align-items: center; justify-content: center; gap: 1.4rem; flex-wrap: wrap; padding: 1.5rem 0; font-size: .88rem; font-weight: 600; color: #94a3b8; }
.strip-sep { color: var(--amber-500); }

/* ---------- 3D Tilt Card Effects & Mouse Glow ---------- */
.card-grid { display: grid; gap: 1.8rem; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }

.pain-card, .feature-card, .report-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .3s ease, border-color .3s ease;
  transform-style: preserve-3d;
}
.pain-card:hover, .feature-card:hover, .report-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-500);
}

.mouse-glow {
  position: absolute;
  width: 150px; height: 150px;
  background: radial-gradient(circle, rgba(26,102,255,.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity .3s ease;
}
.pain-card:hover .mouse-glow, .feature-card:hover .mouse-glow, .report-card:hover .mouse-glow {
  opacity: 1;
}

.pain-icon, .feature-icon, .report-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: grid; place-items: center; margin-bottom: 1.2rem;
  transition: transform .3s ease;
  transform: translateZ(40px);
  box-shadow: 0 10px 20px rgba(0,0,0,.08);
}
.pain-card:hover .pain-icon, .feature-card:hover .feature-icon, .report-card:hover .report-icon {
  transform: translateZ(55px) scale(1.1) rotate(-4deg);
  box-shadow: 0 15px 30px rgba(0,0,0,.12);
}

.pain-icon { background: #FEF2F2; color: #DC2626; }
.feature-icon-blue { background: var(--blue-100); color: var(--blue-600); }
.feature-icon-amber { background: var(--amber-100); color: var(--amber-600); }
.feature-icon-emerald { background: var(--emerald-100); color: var(--emerald-600); }
.report-icon { background: var(--emerald-100); color: var(--emerald-600); }

.pain-card h3 { font-size: 1.2rem; transform: translateZ(30px); }
.pain-card p, .feature-card p, .report-card p { font-size: .98rem; margin-bottom: 0; color: var(--body); transform: translateZ(20px); }

/* Solution banner */
.solution-banner {
  display: flex; align-items: center; gap: 1.4rem;
  margin-top: 2.5rem;
  background: linear-gradient(125deg, #06111C, #0C1A29);
  color: #dbe7f7;
  border-radius: var(--radius);
  padding: 1.8rem 2.2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255,255,255,.1);
}
.solution-icon {
  width: 64px; height: 64px; flex-shrink: 0; border-radius: 18px;
  background: linear-gradient(135deg, #FF8800, #CC6600); color: var(--navy-900);
  display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(255,136,0,.3);
}
.solution-banner h3 { color: var(--white); margin-bottom: .25em; }
.solution-banner p { margin: 0; }
.solution-banner strong { color: var(--amber-400); }

/* Highlight boxes */
.highlight-box {
  display: flex; align-items: center; gap: 1.1rem;
  margin-top: 2.5rem;
  background: var(--emerald-100);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius);
  padding: 1.4rem 1.8rem;
  color: #064E3B;
}
.highlight-box svg { color: var(--emerald-600); }
.highlight-box p { margin: 0; }
.highlight-blue { background: var(--blue-100); border-color: #bfdbfe; color: #1E3A8A; }
.highlight-blue svg { color: var(--blue-600); }

/* ---------- Interactive Demo Tabs Section ---------- */
.demo-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.demo-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: .75em 1.4em;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  color: var(--navy-800);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}
.demo-tab-btn:hover {
  transform: translateY(-2px);
  border-color: var(--blue-500);
  color: var(--blue-600);
}
.demo-tab-btn.active {
  background: linear-gradient(135deg, #0052CC, #0042B3);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 8px 22px rgba(0,82,204,.35);
}

.demo-tab-content {
  display: none;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.demo-tab-content.active { display: grid; animation: fadeInTab .4s ease-out; }
@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.demo-tab-copy h3 { font-size: 1.6rem; color: var(--ink); margin-bottom: .8rem; }
.demo-tab-copy p { font-size: 1.05rem; color: var(--body); margin-bottom: 1.5rem; }
.demo-feature-list { list-style: none; padding: 0; margin: 0 0 1.8rem; display: grid; gap: .8rem; }
.demo-feature-list li { display: flex; align-items: center; gap: .7rem; font-weight: 600; color: var(--ink); }
.demo-feature-list li svg { color: var(--emerald-500); }

.demo-preview-card {
  background: linear-gradient(145deg, #0C1A29, #152538);
  border-radius: 18px;
  padding: 1.8rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow-lg);
}
.demo-preview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.demo-preview-title { font-size: 1rem; font-weight: 800; color: var(--amber-400); }
.demo-step-box {
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid rgba(255,255,255,.08);
}
.demo-step-box span { font-size: .88rem; font-weight: 600; color: #e2e8f0; }

/* ---------- Interactive ROI & Time Savings Estimator ---------- */
.roi-card {
  background: linear-gradient(145deg, #06111C 0%, #0C1A29 100%);
  color: var(--white);
  border-radius: 24px;
  padding: 2.8rem 2.5rem;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  border: 1px solid rgba(255,255,255,.15);
}
.roi-copy h2 { color: var(--white); margin-bottom: .6rem; }
.roi-copy p { color: #cbd5e1; font-size: 1.05rem; }

.roi-controls { display: flex; flex-direction: column; gap: 1.5rem; }
.slider-group label { display: flex; justify-content: space-between; font-weight: 700; font-size: .95rem; margin-bottom: .6rem; }
.slider-group label span { color: var(--amber-400); font-weight: 800; }
.custom-range {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1e293b;
  outline: none;
  accent-color: #0052CC;
  cursor: pointer;
}

.roi-results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: .5rem; }
.roi-stat-box {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 1.2rem;
  text-align: center;
}
.roi-stat-val { font-size: 1.8rem; font-weight: 900; color: var(--amber-400); line-height: 1.1; margin-bottom: 2px; }
.roi-stat-lbl { font-size: .78rem; font-weight: 600; color: #94a3b8; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- Steps Flow ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: step; }
.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem 1.6rem 1.8rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #0052CC, #0042B3); color: #fff;
  font-weight: 800; font-size: .95rem;
  display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(0,82,204,.4);
}
.step-icon {
  width: 58px; height: 58px; margin: 0 auto 1rem; border-radius: 18px;
  background: var(--amber-100); color: var(--amber-600);
  display: grid; place-items: center;
}
.step h3 { font-size: 1.1rem; margin-bottom: .35em; }
.step p { font-size: .94rem; margin: 0; }
.step strong { color: var(--ink); }

/* ---------- Technology Grid ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.tech-item {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 1.8rem;
  text-align: center;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.tech-item:hover { transform: translateY(-5px); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); }
.tech-item svg { color: var(--amber-500); margin: 0 auto 1rem; display: block; }
.tech-item h4 { color: var(--white); margin-bottom: .35em; }
.tech-item p { font-size: .92rem; margin: 0; color: #cbd5e1; }

.tech-callout {
  display: flex; align-items: center; gap: 1.2rem;
  margin-top: 2.5rem;
  background: rgba(255,136,0,.14);
  border: 1px solid rgba(255,136,0,.45);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  color: #fde68a;
}
.tech-callout svg { color: var(--amber-500); }
.tech-callout p { margin: 0; }
.tech-callout strong { color: #fff; }

/* ---------- Comparison Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-sm); background: var(--white); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 680px; }
.compare-table th, .compare-table td { padding: 1.1rem 1.4rem; text-align: left; font-size: .96rem; }
.compare-table thead th {
  background: var(--navy-900); color: #fff; font-size: .88rem; text-transform: uppercase; letter-spacing: .06em;
}
.compare-table .col-sg { color: var(--amber-400); font-weight: 800; }
.compare-table .col-legacy { color: #94a3b8; }
.compare-table tbody tr:nth-child(even) { background: var(--bg-alt); }
.compare-table tbody td { border-top: 1px solid var(--line); vertical-align: middle; }
.compare-table .col-feature { font-weight: 700; color: var(--ink); }
.t-yes { color: var(--emerald-600); font-weight: 800; display: inline-flex; align-items: center; gap: 4px; }
.t-warn { color: var(--amber-600); font-weight: 600; }
.t-no { color: #DC2626; font-weight: 600; }

.compare-copy {
  max-width: 860px; margin: 2rem auto 0; text-align: center;
  font-size: 1.08rem;
}

/* ---------- Contact Section & Form ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3.5rem; align-items: center; }
.contact-wrap h2 { color: var(--white); }
.contact-intro > p { font-size: 1.15rem; color: #cbd5e1; }

.contact-list { list-style: none; padding: 0; margin: 1.8rem 0; display: grid; gap: 1.1rem; }
.contact-list li { display: flex; align-items: center; gap: .9rem; font-weight: 600; color: #e2e8f0; }
.contact-dot {
  width: 44px; height: 44px; border-radius: 14px; flex-shrink: 0;
  background: rgba(255,136,0,.16); color: var(--amber-500);
  display: grid; place-items: center;
}
.contact-badges { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.4rem; }

.inquiry-form {
  background: var(--white);
  border-radius: 24px;
  padding: 2.4rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.inquiry-form h3 { margin-bottom: 1.5rem; font-size: 1.4rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: .88rem; font-weight: 700; color: var(--ink); margin-bottom: .4em; }
.form-group .req { color: var(--orange-600); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  font-family: inherit; font-size: .98rem; color: var(--ink);
  padding: .8em 1em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-group textarea { resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(26,102,255,.18);
  background: #fff;
}
.form-group input.invalid, .form-group select.invalid { border-color: #DC2626; }

.form-status { margin: 1.2rem 0 0; font-weight: 600; font-size: .98rem; min-height: 1.4em; text-align: center; }
.form-status.ok { color: var(--emerald-600); }
.form-status.err { color: #DC2626; }

/* ---------- Inquiry form steps (mobile wizard) ---------- */
.form-steps .form-step { display: block; }
.form-progress { display: none; }
.form-nav { display: none; }
@keyframes formStepIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Contact Section & Form (Mobile) ---------- */
@media (max-width: 760px) {
  .section.section-grad { padding: 2.5rem 0; }
  .contact-wrap { gap: 1.6rem; }
  .contact-wrap h2 { font-size: 1.45rem; margin-bottom: .4em; }
  .contact-intro > p { font-size: .95rem; }
  .contact-list { margin: 1.1rem 0; gap: .75rem; }
  .contact-dot { width: 36px; height: 36px; border-radius: 10px; }
  .contact-badges { gap: .45rem; margin-top: 1rem; }
  .inquiry-form {
    padding: 1.15rem;
    border-radius: 16px;
  }
  .inquiry-form h3 { margin-bottom: .9rem; font-size: 1.15rem; }
  .form-group { margin-bottom: .65rem; }
  .form-group label { font-size: .8rem; margin-bottom: .35em; }
  .form-group input, .form-group select, .form-group textarea {
    font-size: 16px;
    padding: .7em .85em;
    border-radius: 10px;
  }
  .form-group textarea { min-height: 72px; }
  .form-row { gap: .7rem; grid-template-columns: 1fr; }
  .form-status { font-size: .88rem; }
}

/* Two-column field pairs on larger phones shorten the form */
@media (min-width: 421px) and (max-width: 760px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* ---------- Footer ---------- */
.footer {
  background: rgba(240,245,255,.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0,188,255,.1);
  color: #06111C;
  padding-top: 3.5rem;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--amber-500), var(--emerald-500), var(--blue-500));
  background-size: 200% 100%;
  pointer-events: none;
  z-index: 1;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}
.footer-brand { position: relative; }
.footer-brand::before {
  content: '';
  position: absolute;
  top: -40px; left: -30px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0,82,204,.14), rgba(255,136,0,.05) 55%, transparent 75%);
  pointer-events: none;
}
.footer-brand .logo-img { height: 56px; width: auto; }
.footer-brand p { font-size: .95rem; margin-top: 1rem; max-width: 30em; color: #5B6B80; }
.footer-inner .logo-text { color: var(--navy-900); }
.footer-links, .footer-contact, .footer-social { display: flex; flex-direction: column; gap: .75rem; }
.footer-links strong, .footer-contact strong, .footer-social strong {
  color: var(--navy-900); margin-bottom: .4rem; font-size: .9rem;
  letter-spacing: .05em; text-transform: uppercase;
}
.footer-links a, .footer-contact a { color: #5B6B80; transition: color .2s ease, transform .2s ease; display: inline-block; }
.footer-links a:hover { color: var(--blue-600); transform: translateX(4px); }
.footer-contact a:hover { color: var(--blue-600); }
.social-links { display: flex; gap: .6rem; flex-wrap: wrap; }
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(6,17,28,.05);
  border: 1px solid rgba(200,210,220,.5);
  color: var(--navy-800);
  transition: all .2s ease;
}
.social-links a:hover {
  background: var(--blue-600);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.footer-bottom {
  border-top: 1px solid rgba(6,17,28,.08);
  padding: 1.4rem 0; text-align: center;
  position: relative; z-index: 1;
}
.footer-bottom p { margin: 0; font-size: .88rem; color: #6B7B8F; }

@media (prefers-reduced-motion: no-preference) {
  .footer::before { animation: footerShimmer 7s linear infinite; }
  .footer-brand .logo-img { animation: footerLogoFloat 5s ease-in-out infinite; }
}
@keyframes footerShimmer {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}
@keyframes footerLogoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .pulse-dot::after, .btn:hover, .card:hover, .tech-item:hover { animation: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .nav-inner { gap: .7rem; }
  .nav-inner .logo-img { height: 40px; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: .88rem; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy .hero-cta, .hero-trust { justify-content: center; }
  .hero-phone { order: -1; }
  .card-grid.three { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.2rem; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; gap: 3rem; }
  .demo-tab-content { grid-template-columns: 1fr; text-align: center; }
  .demo-feature-list { justify-content: center; text-align: left; }
  .roi-card { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav { padding: 0; }
  .nav-inner {
    width: 100%;
    max-width: 100%;
    height: 60px;
    padding: 0 14px;
    gap: 0;
    justify-content: space-between;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid rgba(6,17,28,.08);
    background: rgba(255,255,255,.9);
  }
  .nav.scrolled .nav-inner { background: rgba(255,255,255,.98); }
  .nav-inner .logo-img { height: 40px; }
  .nav-links {
    position: fixed; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: .8rem 5%;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { padding: .85em 0; border-bottom: 1px solid var(--line); }
  .nav-links .nav-cta { display: inline-flex; justify-content: center; text-align: center; border: 0; margin-top: .6rem; }
  .nav-toggle { display: flex; }
  .logo-img { height: 68px; }

  .card-grid.three { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .footer { padding-top: 2rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.4rem 1.2rem; padding-bottom: 1.6rem; }
  .footer-brand, .footer-social { grid-column: 1 / -1; }
  .footer-brand { padding: 0; }
  .footer-brand .logo-img { height: 44px; }
  .footer-brand p { font-size: .88rem; line-height: 1.55; margin-top: .6rem; max-width: 100%; }
  .footer-links, .footer-contact, .footer-social { gap: .4rem; }
  .footer-links strong, .footer-contact strong, .footer-social strong { margin-bottom: .2rem; font-size: .82rem; }
  .social-links { gap: .5rem; }
  .social-links a { width: 38px; height: 38px; border-radius: 11px; }
  .footer-bottom { padding: .9rem 0; }
  .hero { padding-top: 130px; }
  .solution-banner, .highlight-box, .tech-callout { flex-direction: column; text-align: center; }
  .roi-card { padding: 1.5rem 1.15rem; gap: 1.6rem; }
  .roi-copy h2 { font-size: 1.5rem; }
  .roi-controls { gap: 1rem; }
  .roi-results-grid { grid-template-columns: 1fr 1fr; gap: .65rem; }
  .roi-stat-box { padding: .9rem .5rem; border-radius: 13px; }
  .roi-stat-val { font-size: 1.35rem; }
  .roi-stat-lbl { font-size: .68rem; }

  /* Inquiry form stepper */
  form.inquiry-form.stepper .form-progress {
    display: flex; align-items: center; gap: .55rem; margin-bottom: 1.1rem;
  }
  form.inquiry-form.stepper .progress-step {
    font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    color: var(--muted); white-space: nowrap; transition: color .2s ease;
  }
  form.inquiry-form.stepper .progress-step.active { color: var(--blue-600); }
  form.inquiry-form.stepper .progress-line {
    flex: 1; height: 3px; border-radius: 3px; background: var(--line); overflow: hidden;
  }
  form.inquiry-form.stepper .progress-line::after {
    content: ''; display: block; height: 100%; width: 100%;
    background: var(--blue-600); transform: scaleX(0); transform-origin: left;
    transition: transform .35s cubic-bezier(.16, 1, 0.3, 1);
  }
  form.inquiry-form.stepper .progress-line.filled::after { transform: scaleX(1); }
  form.inquiry-form.stepper .form-step { display: none; }
  form.inquiry-form.stepper .form-step.current {
    display: block;
    animation: formStepIn .32s cubic-bezier(.16, 1, 0.3, 1);
  }
  form.inquiry-form.stepper .form-nav {
    display: flex; align-items: center; gap: .6rem; margin-top: 1.1rem;
  }
  form.inquiry-form.stepper .form-back {
    background: var(--white); color: var(--navy-800);
    border: 1.5px solid var(--line); box-shadow: var(--shadow-sm);
    padding: .8em 1.4em;
  }
  form.inquiry-form.stepper .form-back:hover {
    border-color: var(--blue-500); color: var(--blue-600); transform: translateY(-2px); box-shadow: var(--shadow-md);
  }
  form.inquiry-form.stepper .form-next { flex: 1.4; justify-content: center; }
  form.inquiry-form.stepper .form-status { margin-top: 1rem; }
}

/* ---------- Next-level: 3D hover lift, focus-visible, gradient glow ---------- */
@media (prefers-reduced-motion: no-preference) {
  .phone-body:hover {
    transform: translateZ(12px) rotateX(6deg) rotateY(-6deg);
    transition: transform .3s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,.15);
  }
  .demo-preview-card:hover {
    transform: translateZ(12px);
    transition: transform .3s ease;
    box-shadow: var(--shadow-lg);
  }
  a:focus-visible, button:focus-visible {
    outline: 2px solid #1A66FF;
    outline-offset: 2px;
  }
  .hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: conic-gradient(from 180deg at 50% 30%,
      rgba(0,82,204,.10) 0deg,
      rgba(255,136,0,.08) 120deg,
      rgba(0,179,119,.08) 240deg,
      rgba(0,82,204,.10) 360deg);
    filter: blur(40px);
    z-index: 0;
    pointer-events: none;
    animation: heroGradientDrift 16s ease-in-out infinite alternate;
  }
}
@keyframes heroGradientDrift {
  0%   { transform: translate3d(-3%, -2%, 0) scale(1) rotate(0deg); }
  100% { transform: translate3d(3%, 2%, 0) scale(1.1) rotate(6deg); }
}
.hero-inner { position: relative; z-index: 1; }

/* ---------- Scroll parallax wrapper + section depth glows ---------- */
.hero-parallax {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.section-navy::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 15% 0%, rgba(0,82,204,.18), transparent 60%),
    radial-gradient(900px 500px at 85% 100%, rgba(255,136,0,.10), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.section-navy > .container { position: relative; z-index: 1; }

.section-grad::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(900px 500px at 80% 20%, rgba(26,102,255,.22), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.section-grad > .container { position: relative; z-index: 1; }