/* ============================================================
   QRC Survey – Design System
   Style: Clean Enterprise · Pure White · Business SaaS · 2025
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─────────────────────────────────────────────────────────────
   DESIGN TOKENS
   ───────────────────────────────────────────────────────────── */
:root {
  /* Base surfaces — pure white system */
  --clr-bg:        #FFFFFF;   /* pure white — main page background */
  --clr-white:     #FFFFFF;
  --clr-surface:   #F5F7FA;   /* light blue-gray — alt section bg */
  --clr-surface-2: #EEF1F7;   /* slightly deeper surface */
  --clr-dark:      #0E1117;   /* deep dark for hero/footer */
  --clr-dark-2:    #171C27;   /* slightly lighter dark layer */
  --clr-navy:      #1A1F38;   /* indigo-navy for dark accent sections */

  /* Primary — clear indigo */
  --clr-blue:      #4F46E5;
  --clr-blue-lt:   #818CF8;
  --clr-blue-dk:   #3730A3;
  --clr-blue-pale: #EEF2FF;

  /* Secondary */
  --clr-teal:      #0EA5E9;
  --clr-green:     #10B981;
  --clr-amber:     #F59E0B;
  --clr-rose:      #F43F5E;

  /* Neutral gray scale — clean, no warm tint */
  --clr-gray-50:   #F8F9FB;
  --clr-gray-100:  #F1F3F8;
  --clr-gray-200:  #E4E7EF;
  --clr-gray-300:  #C8CEDC;
  --clr-gray-400:  #9AA0B4;
  --clr-gray-500:  #6B7385;
  --clr-gray-600:  #4A5168;
  --clr-gray-700:  #353D52;
  --clr-gray-800:  #1F2535;
  --clr-gray-900:  #111827;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 36px;

  /* Shadows — clean, crisp */
  --shadow-xs:  0 1px 2px rgba(15,20,40,.04);
  --shadow-sm:  0 1px 4px rgba(15,20,40,.06), 0 1px 2px rgba(15,20,40,.04);
  --shadow-md:  0 4px 16px rgba(15,20,40,.07), 0 2px 4px rgba(15,20,40,.04);
  --shadow-lg:  0 12px 40px rgba(15,20,40,.09), 0 4px 12px rgba(15,20,40,.05);
  --shadow-xl:  0 24px 64px rgba(15,20,40,.11), 0 8px 24px rgba(15,20,40,.06);
  --shadow-neu: 5px 5px 15px rgba(15,20,40,.06), -4px -4px 12px rgba(255,255,255,.90);

  /* Motion */
  --ease-out:  cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.4,0,.2,1);
  --transition: 220ms var(--ease-in-out);
  --transition-slow: 400ms var(--ease-out);

  /* Layout */
  --max-width: 1200px;
  --nav-h: 64px;
}

/* ─────────────────────────────────────────────────────────────
   RESET
   ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--clr-gray-700);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ─────────────────────────────────────────────────────────────
   LAYOUT
   ───────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 28px;
}
.container--wide { max-width: 1360px; }
.section { padding-block: 96px; }
.section--sm { padding-block: 60px; }
.section--lg { padding-block: 128px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ─────────────────────────────────────────────────────────────
   TYPOGRAPHY
   ───────────────────────────────────────────────────────────── */
.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-blue);
  margin-bottom: 12px;
  display: block;
}
/* On light page heroes, eyebrow--light renders same as eyebrow */
.eyebrow--light { color: var(--clr-blue); opacity: .9; }

h1, .h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.09;
  letter-spacing: -.028em;
  color: var(--clr-gray-900);
}
h2, .h2 {
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.022em;
  color: var(--clr-gray-900);
}
h3, .h3 {
  font-size: clamp(19px, 1.8vw, 25px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -.016em;
  color: var(--clr-gray-900);
}
h4, .h4 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--clr-gray-900);
}
.lead {
  font-size: clamp(16px, 1.4vw, 19px);
  font-weight: 400;
  line-height: 1.72;
  color: var(--clr-gray-500);
}
.body-sm { font-size: 14px; line-height: 1.6; }
.body-xs { font-size: 12px; }
.mono { font-family: var(--font-mono); }
.text-white { color: var(--clr-white); }
.text-blue { color: var(--clr-blue); }
.text-center { text-align: center; }
.text-muted { color: var(--clr-gray-400); }

/* ─────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn--primary {
  background: var(--clr-blue);
  color: #fff;
  box-shadow: 0 1px 3px rgba(79,70,229,.30), 0 3px 10px rgba(79,70,229,.20);
}
.btn--primary:hover {
  background: var(--clr-blue-dk);
  box-shadow: 0 2px 8px rgba(79,70,229,.35), 0 6px 20px rgba(79,70,229,.22);
  transform: translateY(-1px);
}
.btn--secondary {
  background: var(--clr-white);
  color: var(--clr-gray-800);
  border: 1.5px solid var(--clr-gray-200);
  box-shadow: var(--shadow-xs);
}
.btn--secondary:hover {
  border-color: var(--clr-gray-300);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  color: var(--clr-gray-900);
}
.btn--ghost {
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.85);
  border: 1.5px solid rgba(255,255,255,.16);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.28);
  color: #fff;
}
.btn--outline {
  background: transparent;
  color: var(--clr-blue);
  border: 1.5px solid var(--clr-blue);
}
.btn--outline:hover {
  background: var(--clr-blue-pale);
}
.btn--lg { padding: 14px 32px; font-size: 15px; border-radius: var(--radius-md); }
.btn--sm { padding: 8px 16px; font-size: 13px; }
.btn-group { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ─────────────────────────────────────────────────────────────
   NAVIGATION
   ───────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.navbar--transparent {
  background: transparent;
  border-bottom: 1px solid transparent;
}
.navbar--solid {
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid var(--clr-gray-100);
  box-shadow: 0 1px 0 var(--clr-gray-100);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
/* Scrolled state (applied via JS on homepage) */
.navbar--scrolled {
  background: rgba(255,255,255,.99);
  border-bottom: 1px solid var(--clr-gray-100);
  box-shadow: 0 1px 12px rgba(15,20,40,.06);
  backdrop-filter: blur(20px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 28px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--clr-blue);
  letter-spacing: -.028em;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.navbar__logo:hover { opacity: .82; }
/* On dark hero, wordmark turns white */
.navbar--on-dark .navbar__logo { color: var(--clr-white); }

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.navbar__link {
  padding: 6px 13px;
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-gray-500);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: -.005em;
}
.navbar__link:hover { color: var(--clr-gray-900); background: var(--clr-gray-50); }
.navbar--on-dark .navbar__link { color: rgba(255,255,255,.65); }
.navbar--on-dark .navbar__link:hover { color: var(--clr-white); background: rgba(255,255,255,.08); }

.navbar__actions { display: flex; align-items: center; gap: 8px; }
.navbar__login {
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-gray-500);
  padding: 6px 13px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: -.005em;
}
.navbar__login:hover { color: var(--clr-gray-900); background: var(--clr-gray-50); }
.navbar--on-dark .navbar__login { color: rgba(255,255,255,.65); }
.navbar--on-dark .navbar__login:hover { color: var(--clr-white); }

/* Mobile hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.navbar__hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--clr-gray-700);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar--on-dark .navbar__hamburger span { background: rgba(255,255,255,.85); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: var(--clr-white);
  padding: 20px 20px 32px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  overflow-y: auto;
  border-top: 1px solid var(--clr-gray-100);
}
.nav-mobile.is-open { display: flex; }
.nav-mobile__link {
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--clr-gray-700);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.nav-mobile__link:hover { background: var(--clr-gray-50); color: var(--clr-gray-900); }
.nav-mobile__cta { margin-top: 12px; }

/* ─────────────────────────────────────────────────────────────
   HOMEPAGE HERO (dark — brand anchor)
   ───────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 65% 35%, rgba(79,70,229,.20) 0%, transparent 65%),
    radial-gradient(ellipse 55% 45% at 18% 75%, rgba(99,102,241,.12) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 50% 100%, rgba(14,165,233,.07) 0%, transparent 60%),
    linear-gradient(160deg, #0E1117 0%, #1A1F38 55%, #0E1117 100%);
}
.hero__grid {
  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: 52px 52px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 30%, transparent 80%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  padding-block: 96px;
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 28px;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(79,70,229,.14);
  border: 1px solid rgba(129,140,248,.28);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #A5B4FC;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 26px;
}
.hero__tag .dot {
  width: 6px; height: 6px;
  background: #818CF8;
  border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}
.hero h1 { color: var(--clr-white); margin-bottom: 22px; }
.hero h1 .gradient-text {
  background: linear-gradient(135deg, #A5B4FC 0%, #67E8F9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .lead { color: rgba(255,255,255,.60); margin-bottom: 36px; }
.hero__metrics {
  display: flex;
  gap: 0;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.07);
}
.hero__metrics > div {
  padding: 0 24px;
  border-left: 1px solid rgba(255,255,255,.10);
  flex: 1;
}
.hero__metrics > div:first-child {
  padding-left: 0;
  border-left: none;
}
.hero__metric-val {
  font-size: 26px;
  font-weight: 700;
  color: var(--clr-white);
  font-family: var(--font-mono);
  letter-spacing: -.025em;
  line-height: 1;
}
.hero__metric-lbl {
  font-size: 11px;
  color: rgba(255,255,255,.38);
  margin-top: 6px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

/* Hero visual */
.hero__visual { position: relative; }
.hero__img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 8px 24px rgba(0,0,0,.3);
  border: 1px solid rgba(255,255,255,.06);
}
.hero__img-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}
.hero__img-wrap video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.hero__img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 55%, rgba(15,15,20,.55) 100%);
}
.hero__card {
  position: absolute;
  bottom: -18px;
  left: -20px;
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  min-width: 190px;
}
.hero__card-value {
  font-size: 22px;
  font-weight: 700;
  color: #4ADE80;
  font-family: var(--font-mono);
}
.hero__card-label { font-size: 12px; color: rgba(255,255,255,.50); margin-top: 2px; }
.hero__card2 {
  position: absolute;
  top: 20px;
  right: -18px;
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
}
.hero__badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-white);
}
.hero__badge .badge-icon {
  width: 28px; height: 28px;
  background: rgba(16,185,129,.18);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}

/* ─────────────────────────────────────────────────────────────
   TRUST BAR
   ───────────────────────────────────────────────────────────── */
.trust-bar {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-gray-200);
  border-bottom: 1px solid var(--clr-gray-200);
  padding-block: 36px;
}
.trust-bar__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--clr-gray-400);
  text-align: center;
  margin-bottom: 24px;
}
.trust-bar__track-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  margin-top: 20px;
}
.trust-bar__track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  animation: trust-marquee 36s linear infinite;
}
@keyframes trust-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.trust-bar__logo {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-gray-300);
  letter-spacing: .01em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--transition);
}
.trust-bar__logo:hover { color: var(--clr-gray-500); }

/* ─────────────────────────────────────────────────────────────
   SECTION HEADER
   ───────────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 660px;
  margin-inline: auto;
  margin-bottom: 60px;
}
.section-header .lead { margin-top: 14px; }

/* ─────────────────────────────────────────────────────────────
   FEATURE CARDS
   ───────────────────────────────────────────────────────────── */
.feature-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-blue), #6366F1);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-gray-300);
}
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--clr-blue-pale);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--clr-blue);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature-card h4 { margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--clr-gray-500); line-height: 1.68; }

/* ─────────────────────────────────────────────────────────────
   STATS SECTION (dark — homepage)
   ───────────────────────────────────────────────────────────── */
.stats-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #1A1F38 0%, #0E1117 100%);
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 90% at 80% 50%, rgba(79,70,229,.14) 0%, transparent 70%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.stat-item {
  text-align: center;
  padding: 52px 28px;
  border-right: 1px solid rgba(255,255,255,.06);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: clamp(38px, 3.8vw, 58px);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--clr-white);
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 10px;
}
.stat-number .stat-accent { color: #818CF8; }
.stat-label { font-size: 13px; color: rgba(255,255,255,.45); letter-spacing: .02em; }
.stat-sublabel { font-size: 11px; color: rgba(255,255,255,.25); margin-top: 4px; }

/* ─────────────────────────────────────────────────────────────
   SPLIT SECTION
   ───────────────────────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split--reverse .split__visual { order: -1; }
.split__visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.split__visual img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
  transition: transform 600ms var(--ease-out);
}
.split__visual:hover img { transform: scale(1.02); }
.split__visual .img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,70,229,.06) 0%, transparent 60%);
  pointer-events: none;
}
.split__content .eyebrow { margin-bottom: 14px; }
.split__content h2 { margin-bottom: 18px; }
.split__content .lead { margin-bottom: 28px; }

/* Checklist */
.checklist { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  font-size: 15px;
  color: var(--clr-gray-600);
  line-height: 1.6;
}
.checklist__item .check-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--clr-blue-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}
.checklist__item .check-icon svg { width: 11px; height: 11px; color: var(--clr-blue); }

/* ─────────────────────────────────────────────────────────────
   METHODOLOGY / ALT SECTIONS
   ───────────────────────────────────────────────────────────── */
.methodology { background: var(--clr-surface); }

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.method-steps::before {
  content: '';
  position: absolute;
  top: 34px; left: 56px; right: 56px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-gray-200) 15%, var(--clr-gray-200) 85%, transparent);
}
.method-step {
  padding: 0 24px 44px;
  position: relative;
}
.method-step__num {
  width: 68px; height: 68px;
  background: var(--clr-white);
  border: 1.5px solid var(--clr-gray-200);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--clr-blue);
  margin-bottom: 24px;
  box-shadow: var(--shadow-neu);
  position: relative;
  z-index: 1;
}
.method-step h4 { margin-bottom: 10px; font-size: 15px; }
.method-step p { font-size: 14px; color: var(--clr-gray-500); line-height: 1.65; }

/* ─────────────────────────────────────────────────────────────
   QUALITY / DARK CARD
   ───────────────────────────────────────────────────────────── */
.quality-card {
  background: var(--clr-navy);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.quality-card__content {
  padding: 56px 48px;
  background: linear-gradient(135deg, #1E2144 0%, var(--clr-navy) 100%);
  position: relative;
  overflow: hidden;
}
.quality-card__content::before {
  content: '';
  position: absolute;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(79,70,229,.16) 0%, transparent 70%);
  top: -100px; right: -80px;
}
.quality-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}
.quality-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
}
.quality-item .q-icon {
  width: 34px; height: 34px;
  background: rgba(79,70,229,.20);
  border-radius: 8px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.quality-item .q-icon svg { width: 17px; height: 17px; color: #A5B4FC; }
.quality-item .q-title { font-size: 14px; font-weight: 600; color: var(--clr-white); }
.quality-item .q-desc { font-size: 12px; color: rgba(255,255,255,.40); margin-top: 2px; }
.quality-card__visual { position: relative; min-height: 460px; }
.quality-card__visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.quality-card__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #1E2144 0%, transparent 45%);
}

/* ─────────────────────────────────────────────────────────────
   INDUSTRY CARDS
   ───────────────────────────────────────────────────────────── */
.industry-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
}
.industry-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 480ms var(--ease-out);
}
.industry-card:hover img { transform: scale(1.05); }
.industry-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,20,.82) 30%, rgba(15,15,20,.18) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: var(--transition);
}
.industry-card:hover .industry-card__overlay {
  background: linear-gradient(to top, rgba(79,70,229,.82) 10%, rgba(15,15,20,.55) 100%);
}
.industry-card__tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.55);
  margin-bottom: 5px;
}
.industry-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 6px;
  letter-spacing: -.01em;
}
.industry-card__desc {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  display: none;
  line-height: 1.5;
}
.industry-card:hover .industry-card__desc { display: block; }

/* ─────────────────────────────────────────────────────────────
   CTA SECTION
   ───────────────────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, #2D2A8E 0%, #3730A3 40%, #4F46E5 100%);
  padding-block: 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(255,255,255,.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 70%, rgba(14,165,233,.12) 0%, transparent 60%);
}
.cta-section h2 { color: var(--clr-white); margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,.68); max-width: 520px; margin-inline: auto; margin-bottom: 36px; }

/* ─────────────────────────────────────────────────────────────
   BLOG CARDS
   ───────────────────────────────────────────────────────────── */
.blog-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-gray-100);
  background: var(--clr-white);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
}
.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.blog-card__img {
  height: 210px;
  overflow: hidden;
}
.blog-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 480ms var(--ease-out);
}
.blog-card:hover .blog-card__img img { transform: scale(1.04); }
.blog-card__body { padding: 24px 22px; }
.blog-card__tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .10em;
  color: var(--clr-blue);
  background: var(--clr-blue-pale);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.blog-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--clr-gray-900);
  line-height: 1.3;
  margin-bottom: 8px;
  letter-spacing: -.012em;
}
.blog-card__excerpt { font-size: 14px; color: var(--clr-gray-500); line-height: 1.65; }
.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--clr-gray-100);
  font-size: 12px;
  color: var(--clr-gray-400);
}

/* ─────────────────────────────────────────────────────────────
   PAGE HERO (inner pages — clean white)
   ───────────────────────────────────────────────────────────── */
.page-hero {
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-gray-200);
  padding: 132px 28px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% -10%, rgba(79,70,229,.05) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 85% 110%, rgba(14,165,233,.03) 0%, transparent 60%);
}
.page-hero__inner { position: relative; max-width: 740px; margin-inline: auto; }
.page-hero h1 { color: var(--clr-gray-900); margin-bottom: 18px; }
.page-hero .lead { color: var(--clr-gray-500); }

/* ─────────────────────────────────────────────────────────────
   BREADCRUMB
   ───────────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--clr-gray-400);
  margin-bottom: 18px;
  justify-content: center;
}
.breadcrumb a {
  color: var(--clr-gray-500);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--clr-gray-900); }
.breadcrumb .sep { opacity: .4; }

/* On dark backgrounds breadcrumbs stay readable */
.page-hero .breadcrumb a { color: var(--clr-gray-500); }

/* ─────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────── */
.footer {
  background: var(--clr-dark);
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 72px;
  padding-bottom: 40px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand p {
  font-size: 14px;
  color: rgba(255,255,255,.35);
  margin-top: 14px;
  line-height: 1.72;
  max-width: 260px;
}
.footer__col h5 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.28);
  margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 9px; }
.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,.48);
  transition: color var(--transition);
}
.footer__links a:hover { color: rgba(255,255,255,.88); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.05);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__copy { font-size: 13px; color: rgba(255,255,255,.24); }
.footer__legal { display: flex; gap: 24px; }
.footer__legal a {
  font-size: 13px;
  color: rgba(255,255,255,.30);
  transition: color var(--transition);
}
.footer__legal a:hover { color: rgba(255,255,255,.60); }
/* Footer logo colors */
.footer .navbar__logo { color: rgba(255,255,255,.88); }

/* ─────────────────────────────────────────────────────────────
   BADGES
   ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .025em;
}
.badge--blue   { background: var(--clr-blue-pale); color: var(--clr-blue); }
.badge--green  { background: #DCFCE7; color: #059669; }
.badge--amber  { background: #FEF3C7; color: #B45309; }
.badge--red    { background: #FEE2E2; color: #DC2626; }
.badge--dark   { background: rgba(255,255,255,.09); color: rgba(255,255,255,.78); }

/* ─────────────────────────────────────────────────────────────
   ACCORDION
   ───────────────────────────────────────────────────────────── */
.accordion {
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-white);
}
.accordion__item { border-bottom: 1px solid var(--clr-gray-100); }
.accordion__item:last-child { border-bottom: none; }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--clr-gray-800);
  background: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
  gap: 12px;
}
.accordion__trigger:hover { background: var(--clr-gray-50); color: var(--clr-gray-900); }
.accordion__trigger svg {
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--clr-gray-400);
}
.accordion__trigger.open { color: var(--clr-blue); }
.accordion__trigger.open svg { transform: rotate(180deg); color: var(--clr-blue); }
.accordion__body {
  padding: 0 26px 22px;
  font-size: 15px;
  color: var(--clr-gray-500);
  line-height: 1.72;
  display: none;
}
.accordion__body.open { display: block; }

/* ─────────────────────────────────────────────────────────────
   CODE BLOCK
   ───────────────────────────────────────────────────────────── */
.code-block {
  background: var(--clr-gray-900);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.72;
  color: #E2E8F0;
}
.code-block .token-key { color: #93C5FD; }
.code-block .token-val { color: #86EFAC; }
.code-block .token-str { color: #FCA5A5; }

/* ─────────────────────────────────────────────────────────────
   ARTICLE / BLOG POST
   ───────────────────────────────────────────────────────────── */
.article-header {
  padding: 136px 28px 72px;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-gray-100);
}
.article-header .container { max-width: 820px; }
.article-header__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--clr-gray-400);
  margin-bottom: 22px;
}
.article-header h1 {
  font-size: clamp(28px, 3.8vw, 50px);
  letter-spacing: -.028em;
  line-height: 1.1;
  margin-bottom: 18px;
  color: var(--clr-gray-900);
}
.article-header .lead {
  max-width: 620px;
  font-size: 18px;
  color: var(--clr-gray-500);
}
.article-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin: 0 auto 64px;
  display: block;
  box-shadow: var(--shadow-md);
}
.article-body {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: 24px;
  padding-bottom: 96px;
}
.article-body h2 {
  font-size: 28px;
  letter-spacing: -.022em;
  margin-top: 52px;
  margin-bottom: 18px;
  color: var(--clr-gray-900);
}
.article-body h3 {
  font-size: 21px;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--clr-gray-900);
}
.article-body p {
  font-size: 17px;
  line-height: 1.78;
  color: var(--clr-gray-700);
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  list-style: none;
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-body ul li, .article-body ol li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  color: var(--clr-gray-600);
  line-height: 1.65;
}
.article-body ul li::before {
  content: '—';
  color: var(--clr-blue);
  flex-shrink: 0;
  margin-top: 2px;
  font-weight: 600;
}
.article-body blockquote {
  margin-block: 32px;
  padding: 22px 28px;
  border-left: 3px solid var(--clr-blue);
  background: var(--clr-blue-pale);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 18px;
  font-style: italic;
  color: var(--clr-gray-700);
  line-height: 1.65;
}
.article-body .data-callout {
  background: var(--clr-gray-900);
  border-radius: var(--radius-md);
  padding: 26px 30px;
  margin-block: 32px;
}
.article-body .data-callout h4 {
  color: #93C5FD;
  font-family: var(--font-mono);
  font-size: 13px;
  margin-bottom: 10px;
}
.article-body .data-callout p {
  color: rgba(255,255,255,.72);
  font-size: 15px;
  margin-bottom: 0;
}

/* ─────────────────────────────────────────────────────────────
   SCROLL ANIMATIONS
   ───────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 560ms var(--ease-out), transform 560ms var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }

/* ─────────────────────────────────────────────────────────────
   KEYFRAMES
   ───────────────────────────────────────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.9); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ─────────────────────────────────────────────────────────────
   FORMS
   ───────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-gray-700);
  letter-spacing: -.005em;
}
.form-input {
  padding: 11px 14px;
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--clr-gray-900);
  background: var(--clr-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--clr-blue);
  box-shadow: 0 0 0 3px rgba(79,70,229,.10);
}
.form-input::placeholder { color: var(--clr-gray-400); }
textarea.form-input { resize: vertical; min-height: 120px; }
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%239A9A90' stroke-linecap='round' stroke-width='2' d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* ─────────────────────────────────────────────────────────────
   TABLE
   ───────────────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--clr-gray-400);
  padding: 12px 20px;
  border-bottom: 1.5px solid var(--clr-gray-100);
  background: var(--clr-gray-50);
}
.data-table td {
  padding: 15px 20px;
  font-size: 14px;
  color: var(--clr-gray-600);
  border-bottom: 1px solid var(--clr-gray-50);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(79,70,229,.025); }

/* ─────────────────────────────────────────────────────────────
   TABS
   ───────────────────────────────────────────────────────────── */
.tabs {
  border-bottom: 1.5px solid var(--clr-gray-100);
  display: flex;
  gap: 0;
}
.tab-btn {
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-gray-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -1.5px;
  transition: var(--transition);
  cursor: pointer;
  letter-spacing: -.005em;
}
.tab-btn:hover { color: var(--clr-gray-900); }
.tab-btn.active { color: var(--clr-blue); border-bottom-color: var(--clr-blue); font-weight: 600; }
.tab-panel { display: none; padding-top: 36px; }
.tab-panel.active { display: block; }

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
  .method-steps::before { display: none; }
  .quality-card { grid-template-columns: 1fr; }
  .quality-card__visual { min-height: 280px; }
}
@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .navbar__nav, .navbar__actions { display: none; }
  .navbar__hamburger { display: flex; }
  .section { padding-block: 68px; }
  .section--lg { padding-block: 80px; }
  .hero__inner { grid-template-columns: 1fr; gap: 36px; padding-block: 68px; }
  .hero__visual { display: none; }
  .hero__metrics { gap: 18px; flex-wrap: wrap; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split--reverse .split__visual { order: 0; }
  .split__visual img { height: 280px; }
  .split__visual { box-shadow: var(--shadow-sm); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
  .article-img { height: 240px; border-radius: var(--radius-lg); }
  .trust-bar__logos { gap: 24px; }
  .page-hero { padding: 116px 24px 64px; }
  .article-header { padding: 116px 24px 60px; }
  .cta-section { padding-block: 72px; }
}
@media (max-width: 480px) {
  :root { --nav-h: 56px; }
  .container { padding-inline: 18px; }
  .btn--lg { padding: 13px 22px; font-size: 14px; }
  .hero__metrics { display: grid; grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 32px 18px; }
  .stat-number { font-size: 34px; }
  .feature-card { padding: 24px 22px; }
}

/* ─────────────────────────────────────────────────────────────
   SURFACE HELPERS  (use on <section> for bg alternation)
   ───────────────────────────────────────────────────────────── */
.bg-white   { background: var(--clr-white); }
.bg-surface { background: var(--clr-surface); }
.bg-dark    { background: var(--clr-dark); }

/* ─────────────────────────────────────────────────────────────
   UTILITY CLASSES
   ───────────────────────────────────────────────────────────── */
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.mb-8  { margin-bottom: 32px; }
.mb-0  { margin-bottom: 0; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.hidden { display: none; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ─────────────────────────────────────────────────────────────
   SCROLLBAR (Webkit)
   ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--clr-gray-100); }
::-webkit-scrollbar-thumb { background: var(--clr-gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-gray-400); }

/* ─────────────────────────────────────────────────────────────
   SELECTION
   ───────────────────────────────────────────────────────────── */
::selection { background: rgba(79,70,229,.18); color: var(--clr-gray-900); }