/* ============================================================
   Reticle — Precision Engineered IT Consulting
   Design System: Trust & Authority
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Colors — Authority Navy + Premium Gold */
  --color-primary: #0F172A;
  --color-primary-700: #1E293B;
  --color-primary-600: #334155;
  --color-secondary: #334155;
  --color-secondary-light: #475569;
  --color-cta: #CA8A04;
  --color-cta-hover: #A16207;
  --color-cta-light: #FACC15;
  --color-bg: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-text: #020617;
  --color-text-muted: #475569;
  --color-text-light: #64748B;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --color-success: #15803D;
  --color-info: #1D4ED8;

  /* Typography */
  --font-display: 'Lexend', system-ui, -apple-system, sans-serif;
  --font-body: 'Source Sans 3', system-ui, -apple-system, sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1280px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.14);
  --shadow-cta: 0 6px 20px rgba(202, 138, 4, 0.32);

  /* Z-index scale */
  --z-base: 1;
  --z-raised: 10;
  --z-nav: 50;
  --z-modal: 100;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 220ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-primary);
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2.25rem, 4.5vw + 1rem, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.875rem, 2.5vw + 1rem, 2.75rem); }
h3 { font-size: clamp(1.375rem, 1vw + 1rem, 1.75rem); }
h4 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-4); max-width: 70ch; }

::selection { background-color: var(--color-cta); color: var(--color-primary); }

:focus-visible {
  outline: 3px solid var(--color-cta);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout Primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px) { .container { padding: 0 2rem; } }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }

.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section--tight { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.section--dark { background-color: var(--color-primary); color: #E2E8F0; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #FFFFFF; }
.section--alt { background-color: var(--color-bg-alt); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cta-hover);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.section--dark .eyebrow { color: var(--color-cta-light); }

.section-header { max-width: 720px; margin-bottom: var(--space-12); }
.section-header--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-header p { font-size: 1.125rem; color: var(--color-text-muted); }
.section--dark .section-header p { color: #CBD5E1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration) var(--ease);
}

.btn--primary {
  background: var(--color-cta);
  color: var(--color-primary);
  box-shadow: var(--shadow-cta);
}

.btn--primary:hover {
  background: var(--color-cta-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(202, 138, 4, 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}

.btn--ghost:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.btn--ghost-light {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.3);
}

.btn--ghost-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}

.btn--lg { padding: 1.0625rem 2rem; font-size: 1rem; }
.btn--sm { padding: 0.5rem 1rem; font-size: 0.8125rem; }

.btn .icon { width: 18px; height: 18px; transition: transform var(--duration) var(--ease); }
.btn:hover .icon { transform: translateX(3px); }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  transition: background var(--duration) var(--ease);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.brand__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-secondary);
  border-radius: 8px;
  position: relative;
}

.nav-links a:hover { color: var(--color-primary); background: rgba(15,23,42,0.05); }
.nav-links a[aria-current="page"] { color: var(--color-primary); }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 4px;
  height: 2px;
  background: var(--color-cta);
  border-radius: 2px;
}

.nav-actions { display: none; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 10px;
  color: var(--color-primary);
  cursor: pointer;
}

.nav-toggle:hover { background: rgba(15,23,42,0.05); }
.nav-toggle svg { width: 20px; height: 20px; }

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-actions { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background: var(--color-primary);
  color: #E2E8F0;
  padding: 1.5rem 1.25rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.mobile-menu.is-open { display: block; }
.mobile-menu ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.mobile-menu a {
  display: block;
  padding: 0.875rem 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 8px;
  color: #E2E8F0;
}
.mobile-menu a:hover { background: rgba(255,255,255,0.06); color: #FFFFFF; }
.mobile-menu .btn { margin-top: 1rem; width: 100%; }

@media (min-width: 1024px) {
  .mobile-menu { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 80% 0%, rgba(202, 138, 4, 0.18), transparent 60%),
    radial-gradient(ellipse 70% 80% at 0% 100%, rgba(30, 41, 59, 0.85), transparent 70%),
    linear-gradient(180deg, #0B1222 0%, #0F172A 100%);
  color: #E2E8F0;
  overflow: hidden;
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(4rem, 9vw, 6rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1.15fr 0.85fr; gap: 4rem; }
}

.hero h1 { color: #FFFFFF; max-width: 18ch; }
.hero h1 .accent { color: var(--color-cta-light); }

.hero__lead {
  font-size: clamp(1.0625rem, 1vw + 0.875rem, 1.25rem);
  line-height: 1.7;
  color: #CBD5E1;
  max-width: 56ch;
  margin-bottom: 2rem;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2.5rem; }

.hero__trust {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.875rem;
  color: #94A3B8;
}

.hero__trust strong { color: #FFFFFF; font-weight: 600; }

/* Hero visual */
.hero__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  max-height: 560px;
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, #1E293B 0%, #0F172A 100%);
  border: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__reticle {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.hero__reticle svg { width: 80%; height: 80%; opacity: 0.85; }

.hero__floating-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  color: var(--color-primary);
  padding: 0.875rem 1.125rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero__floating-card .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s ease-in-out infinite;
}

.hero__floating-card--top { top: 8%; left: -6%; animation: float 6s ease-in-out infinite; }
.hero__floating-card--mid { top: 42%; right: -10%; animation: float 6s ease-in-out infinite -2s; }
.hero__floating-card--bot { bottom: 8%; left: 4%; animation: float 6s ease-in-out infinite -4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

/* ---------- Logo Cloud ---------- */
.logo-cloud {
  border-bottom: 1px solid var(--color-border);
  padding: 2.75rem 0;
  background: var(--color-surface);
}

.logo-cloud__label {
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 1.75rem;
}

.logo-cloud__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 1rem;
  align-items: center;
  justify-items: center;
}

@media (min-width: 640px) { .logo-cloud__grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .logo-cloud__grid { grid-template-columns: repeat(6, 1fr); } }

.logo-cloud__item {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--color-text-light);
  filter: grayscale(1);
  opacity: 0.75;
  transition: all var(--duration) var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-cloud__item:hover { filter: grayscale(0); opacity: 1; color: var(--color-primary); }
.logo-cloud__item svg { width: 22px; height: 22px; }

/* ---------- Service / Feature Cards ---------- */
.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .card-grid--4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.875rem;
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: rgba(202, 138, 4, 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(202,138,4,0.15) 0%, rgba(202,138,4,0.06) 100%);
  color: var(--color-cta-hover);
  margin-bottom: 1.25rem;
}

.card__icon svg { width: 26px; height: 26px; }

.card h3 { margin-bottom: 0.625rem; font-size: 1.25rem; }
.card p { font-size: 0.9375rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}
.card__link::after {
  content: "→";
  transition: transform var(--duration) var(--ease);
}
.card:hover .card__link::after { transform: translateX(4px); }

/* Dark variant for cards */
.card--dark {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.08);
  color: #CBD5E1;
}

.card--dark:hover { border-color: rgba(202,138,4,0.5); background: rgba(255,255,255,0.05); }
.card--dark h3 { color: #FFFFFF; }
.card--dark p { color: #94A3B8; }
.card--dark .card__icon {
  background: linear-gradient(135deg, rgba(250,204,21,0.18) 0%, rgba(250,204,21,0.06) 100%);
  color: var(--color-cta-light);
}
.card--dark .card__link { color: var(--color-cta-light); }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); } }

.stat {
  padding: 1.5rem;
  border-left: 3px solid var(--color-cta);
  background: rgba(255,255,255,0.02);
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw + 0.5rem, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  line-height: 1;
}

.stat__value .unit { color: var(--color-cta-light); margin-left: 0.125rem; }

.stat__label {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: #94A3B8;
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}

/* ---------- Industry tabs ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  padding: 0.375rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow-x: auto;
}

.tabs__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.125rem;
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-secondary);
  border-radius: 10px;
  white-space: nowrap;
  transition: all var(--duration) var(--ease);
}

.tabs__btn:hover { background: var(--color-bg-alt); }
.tabs__btn[aria-selected="true"] {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.tabs__btn svg { width: 18px; height: 18px; }

.tabpanel {
  display: none;
  animation: fadeIn 320ms var(--ease);
}

.tabpanel.is-active { display: grid; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.industry-panel {
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) { .industry-panel { grid-template-columns: 1fr 1fr; } }

.industry-panel h3 { font-size: 1.625rem; }
.industry-panel ul { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.75rem; }
.industry-panel li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.industry-panel li svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--color-success); margin-top: 2px; }

.industry-panel__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-700) 100%);
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: #E2E8F0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.industry-panel__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.6;
}

.industry-panel__visual > * { position: relative; }
.industry-panel__visual h4 { color: #FFFFFF; font-size: 1.0625rem; margin: 0; }
.industry-panel__metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.industry-panel__metrics .stat__value { font-size: 1.875rem; }
.industry-panel__metrics .stat { padding: 0; border: none; background: none; }

/* ---------- Process timeline ---------- */
.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  counter-reset: step;
}

@media (min-width: 1024px) { .process { grid-template-columns: repeat(4, 1fr); } }

.process__step {
  position: relative;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
}

.process__step::before {
  content: "0" counter(step);
  position: absolute;
  top: -16px;
  left: 1.75rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.75rem;
  background: var(--color-primary);
  color: var(--color-cta-light);
  border-radius: 6px;
}

.process__step h4 { margin: 0.5rem 0 0.625rem; font-size: 1.125rem; }
.process__step p { font-size: 0.9375rem; color: var(--color-text-muted); margin: 0; }

/* ---------- Testimonial ---------- */
.testimonial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) { .testimonial { grid-template-columns: 1.1fr 0.9fr; gap: 5rem; } }

.testimonial__quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.5vw + 0.75rem, 1.75rem);
  line-height: 1.45;
  font-weight: 400;
  color: #FFFFFF;
  margin: 0 0 2rem;
  max-width: 30ch;
}

.testimonial__quote::before {
  content: "“";
  display: block;
  font-size: 4rem;
  line-height: 0.7;
  color: var(--color-cta-light);
  margin-bottom: 1rem;
}

.testimonial__author { display: flex; align-items: center; gap: 1rem; }
.testimonial__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-cta-hover) 100%);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.testimonial__name { font-family: var(--font-display); font-weight: 600; color: #FFFFFF; }
.testimonial__role { font-size: 0.875rem; color: #94A3B8; }

.testimonial__metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.testimonial__metric {
  padding: 1.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
}

.testimonial__metric .stat__value { font-size: 2rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background:
    radial-gradient(ellipse at top right, rgba(202,138,4,0.20), transparent 50%),
    linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: clamp(3.5rem, 6vw, 5rem) 0;
  border-radius: var(--radius-xl);
  margin: 0 1.25rem;
  position: relative;
  overflow: hidden;
}

.cta-banner__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

@media (min-width: 768px) { .cta-banner__inner { grid-template-columns: 1.5fr 1fr; } }

.cta-banner h2 { color: #FFFFFF; max-width: 16ch; margin: 0 0 0.625rem; }
.cta-banner p { color: #CBD5E1; margin: 0; max-width: 50ch; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
@media (min-width: 768px) { .cta-banner__actions { justify-content: flex-end; } }

/* ---------- Form ---------- */
.form { display: grid; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

.field { display: grid; gap: 0.5rem; }
.field label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--duration) var(--ease);
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-cta);
  box-shadow: 0 0 0 4px rgba(202,138,4,0.15);
}

.field textarea { resize: vertical; min-height: 140px; }
.field--checkbox {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.625rem;
}
.field--checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  flex-shrink: 0;
  accent-color: var(--color-cta);
  cursor: pointer;
}
.field--checkbox label {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  cursor: pointer;
}

/* ---------- Page header ---------- */
.page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, rgba(202, 138, 4, 0.15), transparent 60%),
    linear-gradient(180deg, #0B1222 0%, #0F172A 100%);
  color: #E2E8F0;
  padding: clamp(4rem, 7vw, 5.5rem) 0 clamp(3.5rem, 6vw, 4.5rem);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, black 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, black 0%, transparent 100%);
  pointer-events: none;
}

.page-hero__inner { position: relative; max-width: 780px; }
.page-hero h1 { color: #FFFFFF; margin-bottom: 1rem; }
.page-hero p { color: #CBD5E1; font-size: 1.125rem; max-width: 60ch; }
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8125rem;
  font-family: var(--font-display);
  color: #94A3B8;
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: #CBD5E1; }
.breadcrumb a:hover { color: #FFFFFF; }
.breadcrumb__sep { color: #475569; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-primary);
  color: #94A3B8;
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

@media (min-width: 640px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; } }

.footer__brand .brand { color: #FFFFFF; }
.footer__brand p { color: #94A3B8; font-size: 0.9375rem; margin: 1rem 0 0; max-width: 36ch; }

.footer h5 {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin: 0 0 1rem;
}

.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.625rem; font-size: 0.9375rem; }
.footer a:hover { color: #FFFFFF; }

.footer__address {
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer__bottom {
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
}

.footer__legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer__social { display: flex; gap: 0.75rem; }
.footer__social a {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  color: #CBD5E1;
}
.footer__social a:hover { color: #FFFFFF; border-color: var(--color-cta-light); }
.footer__social svg { width: 18px; height: 18px; }

/* ---------- Misc utilities ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 0.625rem 1rem;
  border-radius: 6px;
  z-index: 1000;
}
.skip-link:focus { top: 1rem; }

.text-cta { color: var(--color-cta-hover); }
.text-muted { color: var(--color-text-muted); }
.lead { font-size: 1.125rem; color: var(--color-text-muted); line-height: 1.7; }

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in { opacity: 1; transform: none; }
  .hero__floating-card--top, .hero__floating-card--mid, .hero__floating-card--bot { animation: none; }
}

/* ---------- Case study ---------- */
.case-list { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .case-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .case-list { grid-template-columns: repeat(3, 1fr); } }

.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--duration) var(--ease);
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(202,138,4,0.4); }
.case-card__visual {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-700) 100%);
  position: relative;
  display: grid;
  place-items: center;
  color: #FFFFFF;
  overflow: hidden;
}
.case-card__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.case-card__industry {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.375rem 0.625rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #FFFFFF;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  z-index: 1;
}
.case-card__client {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.case-card__body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.case-card h3 { font-size: 1.125rem; line-height: 1.35; }
.case-card p { font-size: 0.9375rem; color: var(--color-text-muted); flex: 1; }
.case-card__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.case-card__metric { font-family: var(--font-display); }
.case-card__metric-value { display: block; font-size: 1.125rem; font-weight: 700; color: var(--color-primary); }
.case-card__metric-label { font-size: 0.6875rem; color: var(--color-text-light); letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- Cert badges ---------- */
.cert-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .cert-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .cert-grid { grid-template-columns: repeat(6, 1fr); } }

.cert-badge {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  transition: all var(--duration) var(--ease);
}
.cert-badge:hover { border-color: var(--color-cta); transform: translateY(-2px); }
.cert-badge svg { width: 36px; height: 36px; color: var(--color-primary); }
.cert-badge__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-primary);
}
.cert-badge__detail { font-size: 0.6875rem; color: var(--color-text-light); letter-spacing: 0.04em; text-transform: uppercase; }