/**
 * Adelfos Tech — global styles
 * ------------------------------------------------------------
 * Design tokens live in :root for easy theming.
 * Layout uses CSS Grid + Flexbox; spacing uses a consistent scale.
 */

/* -------------------------------------------------------------------------- */
/* Design tokens                                                              */
/* -------------------------------------------------------------------------- */

:root {
  /* Color palette: enterprise cloud theme */
  --color-bg: #f3f6fb;
  --color-surface: #ffffff;
  --color-surface-soft: rgba(255, 255, 255, 0.72);
  --color-ink: #0b0f19;
  --color-ink-muted: #374151;
  --color-ink-subtle: #6b7280;
  --color-border: rgba(31, 41, 55, 0.14);
  --color-border-strong: rgba(31, 41, 55, 0.22);
  --color-accent: #0a66c2;
  --color-accent-soft: rgba(59, 130, 246, 0.14);
  --color-accent-strong: #003366;
  --color-glow: rgba(59, 130, 246, 0.34);
  --color-hero-mid: #0a66c2;
  --color-hero-deep: #0b0f19;

  /* Typography */
  --font-sans: "Inter", "Roboto", system-ui, -apple-system, "Segoe UI", Arial,
    sans-serif;
  --font-display: "Poppins", "Inter", "Roboto", "Segoe UI", Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: clamp(1.75rem, 1.2rem + 2vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.5rem + 3.5vw, 3.5rem);
  --text-5xl: clamp(2.75rem, 1.6rem + 4.5vw, 4.25rem);
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.55;
  --tracking-tight: -0.02em;

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 72rem;
  --container-gutter: clamp(1.25rem, 3vw, 2rem);
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 80px rgba(15, 23, 42, 0.12);
  --header-height: 4.25rem;
  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;
  --transition-slow: 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* -------------------------------------------------------------------------- */
/* Reset & base                                                               */
/* -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(circle at 10% -20%, rgba(37, 99, 235, 0.08), transparent 34%),
    radial-gradient(circle at 90% 0%, rgba(15, 23, 42, 0.06), transparent 28%);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-accent-strong);
}

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

address {
  font-style: normal;
}

/* -------------------------------------------------------------------------- */
/* Utilities                                                                  */
/* -------------------------------------------------------------------------- */

.visually-hidden {
  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;
  left: var(--space-4);
  top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  transform: translateY(-200%);
  transition: transform var(--transition-base);
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: min(100% - var(--container-gutter) * 2, var(--container-max));
  margin-inline: auto;
}

/* Scroll reveal: initial state (JS adds .is-visible) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(246, 247, 251, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color var(--transition-base), box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.96);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
}

.logo:hover {
  color: inherit;
}

.logo__mark {
  border-radius: var(--radius-sm);
}

.logo__wordmark {
  font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.4rem);
  line-height: 1;
}

.logo__accent {
  color: var(--color-accent);
}

.logo--footer .logo__wordmark {
  font-size: clamp(1rem, 0.9rem + 0.4vw, 1.2rem);
}

/* Mobile navigation toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast),
    transform var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-toggle__bar {
  display: block;
  width: 1.15rem;
  height: 2px;
  margin-inline: auto;
  background: var(--color-ink);
  border-radius: var(--radius-pill);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Primary navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-muted);
  text-decoration: none;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-ink);
  background: rgba(15, 23, 42, 0.05);
  transform: translateY(-1px);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-link--cta {
  margin-left: var(--space-2);
  color: var(--color-surface);
  background: linear-gradient(135deg, var(--color-accent), #3b82f6);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.26);
}

.nav-link--cta:hover {
  color: var(--color-surface);
  background: linear-gradient(135deg, var(--color-accent-strong), var(--color-accent));
}

/* -------------------------------------------------------------------------- */
/* Section 1 — brand hero                                                     */
/* -------------------------------------------------------------------------- */

.section-1 {
  position: relative;
  min-height: clamp(22rem, 72vh, 52rem);
  display: grid;
  align-items: center;
  padding-block: clamp(3.5rem, 8vw, 5rem);
  overflow: clip;
}

.section-1__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(
      900px 520px at 50% 35%,
      #1e40af 0%,
      #172554 45%,
      #020617 100%
    );
}

/* Soft blend into the page background below the artwork */
.section-1__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 55%,
    rgba(244, 246, 250, 0.15) 78%,
    var(--color-bg) 100%
  );
  pointer-events: none;
}

.section-1__inner {
  position: relative;
  z-index: 1;
  width: min(100% - var(--container-gutter) * 2, var(--container-max));
  margin-inline: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-shell {
  width: min(100%, 72rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: calc(var(--radius-lg) + 6px);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.64), rgba(17, 24, 39, 0.76));
  box-shadow: 0 28px 80px rgba(2, 6, 23, 0.45);
  backdrop-filter: blur(6px);
}

.hero-kicker {
  margin: 0;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(191, 219, 254, 0.95);
  font-weight: 600;
}

.hero-title {
  margin-top: var(--space-4);
  max-width: 18ch;
  color: #f8fafc;
  font-size: clamp(2rem, 1.35rem + 2.6vw, 3.65rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.hero-sub {
  margin-top: var(--space-4);
  max-width: 58ch;
  font-size: var(--text-lg);
  line-height: 1.7;
  color: rgba(226, 232, 240, 0.92);
}

.hero-actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-proof {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.hero-proof article {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.5);
  padding: var(--space-4);
}

.hero-proof h3 {
  margin: 0;
  color: #bfdbfe;
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-tight);
}

.hero-proof p {
  margin-top: var(--space-2);
  color: rgba(203, 213, 225, 0.92);
  font-size: var(--text-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.35rem;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  color: var(--color-surface);
  background: linear-gradient(135deg, var(--color-accent), #3b82f6);
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.34);
}

.btn--primary:hover {
  color: var(--color-surface);
  box-shadow: 0 18px 50px rgba(37, 99, 235, 0.42);
}

.btn--ghost {
  color: #f9fafb;
  border-color: rgba(248, 250, 252, 0.35);
  background: rgba(15, 23, 42, 0.25);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  color: #0b0f19;
  background: #f9fafb;
  border-color: #f9fafb;
}

.btn--lg {
  padding: 0.85rem 1.75rem;
  font-size: var(--text-base);
}

/* Eyebrow label reused in sections */
.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-3);
}

/* -------------------------------------------------------------------------- */
/* Sections — shared                                                          */
/* -------------------------------------------------------------------------- */

.section {
  padding-block: var(--space-20);
  position: relative;
}

.section__header {
  max-width: 40rem;
  margin-bottom: var(--space-12);
}

.section__header--center {
  margin-inline: auto;
  text-align: center;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: var(--space-4);
  text-wrap: balance;
}

.section__intro {
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  max-width: 42rem;
  line-height: 1.7;
}

.section__header--center .section__intro {
  margin-inline: auto;
}

/* Overview */
.section--overview {
  background: var(--color-surface);
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.overview-visual {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 20rem;
  background: linear-gradient(135deg, #1f2937, #003366);
  box-shadow: var(--shadow-md);
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.overview-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.overview-chip {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #f8fafc;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.12em;
  font-size: var(--text-xs);
  background: rgba(15, 23, 42, 0.45);
  z-index: 2;
}

.overview-gridline {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(147, 197, 253, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.14) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at 50% 45%, black 20%, transparent 75%);
  z-index: 1;
}

/* About custom blocks */
.about-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.about-panel__title {
  margin-bottom: var(--space-5);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-tight);
}

.about-meta {
  display: grid;
  gap: var(--space-4);
}

.about-meta__row {
  display: grid;
  gap: var(--space-1);
}

.about-meta__row dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ink-subtle);
}

.about-meta__row dd {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
}

.vm-stack {
  display: grid;
  gap: var(--space-5);
}

.vm-card {
  background: linear-gradient(135deg, #0a66c2, #3b82f6);
  color: #f8fafc;
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.vm-card--dark {
  background: linear-gradient(135deg, #003366, #0b0f19);
}

.vm-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-xl);
}

.vm-card p {
  color: rgba(241, 245, 249, 0.9);
}

/* Values */
.section--values {
  background: #060a14;
}

.section--values .section__title {
  color: #f8fafc;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-4);
}

.value-card {
  background: linear-gradient(140deg, #0a66c2, #003366);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-icon {
  width: 2.6rem;
  height: 2.6rem;
  display: inline-grid;
  place-items: center;
  margin-bottom: var(--space-3);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.26);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.value-icon svg {
  width: 1.3rem;
  height: 1.3rem;
  stroke: #eff6ff;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.value-card p {
  margin: 0;
  color: #e2e8f0;
  font-size: var(--text-sm);
}

/* Services */
.section--services {
  background: linear-gradient(to bottom, var(--color-bg), #e8edf5);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #0a66c2, #3b82f6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.14);
  border-color: rgba(29, 78, 216, 0.28);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  margin-bottom: var(--space-4);
}

.service-tag {
  display: inline-flex;
  margin-bottom: var(--space-3);
  padding: 0.28rem 0.72rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #eff6ff;
  background: linear-gradient(135deg, #0a66c2, #003366);
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* About */
.section--about {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about__text + .about__text {
  margin-top: var(--space-4);
}

.about__text {
  color: var(--color-ink-muted);
}

.about__list {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.about__list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--color-ink);
  font-weight: 500;
}

.about__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-accent), #60a5fa);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.about-grid__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background: #0f172a;
}

.about__image {
  width: 100%;
  height: auto;
}

.about__caption {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-xs);
  color: var(--color-ink-subtle);
  background: #f8fafc;
}

/* Solutions / features */
.section--solutions {
  background: radial-gradient(
      800px 400px at 20% 0%,
      rgba(29, 78, 216, 0.09),
      transparent 60%
    ),
    var(--color-bg);
}

.nusagrid-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.nusagrid-tagline {
  margin-top: var(--space-2);
  font-size: var(--text-base);
  color: var(--color-accent-strong);
  font-style: italic;
}

.nusagrid-desc {
  max-width: 36rem;
  color: var(--color-ink-muted);
  line-height: var(--leading-normal);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--color-border);
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.spec-cell {
  background: var(--color-surface);
  padding: var(--space-6) var(--space-5);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.spec-cell:hover {
  background: #f8fbff;
  transform: translateY(-1px);
}

.spec-cell h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

.spec-cell p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.sla-banner {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.sla-pill {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  padding: 0.48rem 0.95rem;
  font-size: var(--text-sm);
  color: #eff6ff;
  background: linear-gradient(135deg, #0a66c2, #003366);
}

.vas-block {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.vas-header h3 {
  margin: 0;
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-tight);
}

.vas-grid {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.vas-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.vas-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 78, 216, 0.24);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
}

.vas-card h4 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  color: var(--color-accent-strong);
}

.vas-card p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.6;
}

.arcfra-side {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #ffffff 0%, #eef4fb 55%, #e5eef9 100%);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.14);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}

.arcfra-side::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(59, 130, 246, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.4;
  pointer-events: none;
}

.arcfra-side::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -80px;
  top: -90px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.28), transparent 70%);
  pointer-events: none;
}

.arcfra-next {
  margin-top: var(--space-10);
}

.arcfra-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: var(--space-8);
  align-items: center;
}

.arcfra-side__content {
  position: relative;
  z-index: 1;
}

.arcfra-side__header h3 {
  margin: 0;
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2rem);
  letter-spacing: var(--tracking-tight);
  max-width: 20ch;
}

.arcfra-side__lead {
  margin-top: var(--space-2);
  color: var(--color-accent-strong);
  font-weight: 600;
  font-size: var(--text-lg);
}

.arcfra-side__desc {
  margin-top: var(--space-3);
  color: var(--color-ink-muted);
  line-height: 1.7;
  max-width: 60ch;
}

.arcfra-side__highlights {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.arcfra-side__highlights li {
  position: relative;
  padding-left: 1.5rem;
  color: #1f2937;
  font-size: var(--text-sm);
  line-height: 1.65;
}

.arcfra-side__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a66c2, #3b82f6);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.arcfra-side__media {
  margin: 0;
  position: relative;
  z-index: 1;
}

.arcfra-side__image {
  margin-top: 0;
  width: min(100%, 42rem);
  max-height: min(58vh, 32rem);
  object-fit: contain;
  border: 1px solid rgba(10, 102, 194, 0.22);
  border-radius: calc(var(--radius-md) + 2px);
  display: block;
  margin-inline: auto;
  background: linear-gradient(145deg, #ffffff, #f8fbff);
  padding: var(--space-2);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
  position: relative;
  z-index: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.feature-grid--specs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-tile {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.9),
      rgba(255, 255, 255, 0.65)
    ),
    var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-tile::before {
  content: "";
  position: absolute;
  inset: -40% 40% auto -30%;
  height: 140%;
  background: radial-gradient(circle at top, var(--color-glow), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.feature-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-tile:hover::before {
  opacity: 1;
}

.feature-tile__index {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-4);
}

.feature-tile__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.feature-tile__text {
  color: var(--color-ink-muted);
  max-width: 40ch;
}

/* Arcfra */
.section--arcfra {
  background: #0b0f19;
}

.section--arcfra .section__title,
.section--arcfra .section__intro {
  color: #e5e7eb;
}

.arcfra-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-6);
  align-items: start;
}

.arcfra-badge {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: linear-gradient(145deg, #003366, #0b0f19);
  color: #e2e8f0;
  padding: var(--space-6);
}

.arcfra-badge__title {
  margin-bottom: var(--space-4);
}

.arcfra-badge__list {
  display: grid;
  gap: var(--space-3);
}

.arcfra-badge__list div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.arcfra-badge__list dt {
  color: #a5b4fc;
  font-size: var(--text-sm);
}

.arcfra-badge__list dd {
  margin: 0;
  color: #f8fafc;
  font-weight: 600;
  text-align: right;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.platform-card {
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.45);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  color: #d1d5db;
}

.platform-card h3 {
  margin-bottom: var(--space-2);
  color: #bfdbfe;
}

/* Full-stack platform */
.section--fullstack {
  background: linear-gradient(180deg, #f6f9ff 0%, #eef4fb 100%);
}

.fullstack-shell {
  margin-top: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(145deg, #ffffff, #f7faff);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  gap: var(--space-8);
  align-items: center;
}

.fullstack-shell--reverse {
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
}

.fullstack-shell--reverse .fullstack-shell__copy {
  order: 2;
}

.fullstack-shell--reverse .fullstack-shell__media {
  order: 1;
}

.fullstack-shell__copy h3 {
  margin: 0;
  color: var(--color-accent-strong);
  font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.95rem);
  letter-spacing: var(--tracking-tight);
  max-width: 24ch;
}

.fullstack-shell__copy p {
  margin-top: var(--space-3);
  color: var(--color-ink-muted);
  line-height: 1.75;
}

.fullstack-points {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.fullstack-points li {
  position: relative;
  padding-left: 1.45rem;
  color: #1f2937;
  font-size: var(--text-sm);
  line-height: 1.65;
}

.fullstack-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a66c2, #3b82f6);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.fullstack-shell__media {
  margin: 0;
}

.fullstack-shell__media img {
  width: 100%;
  border: 1px solid rgba(10, 102, 194, 0.2);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: var(--space-2);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
}

/* Modular architecture */
.section--modular-architecture {
  background: linear-gradient(180deg, #0b0f19 0%, #111827 100%);
}

.section--modular-architecture .section__title,
.section--modular-architecture .section__intro {
  color: #e5e7eb;
}

.modular-stack {
  display: grid;
  gap: var(--space-4);
}

.layer-card {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.88), rgba(17, 24, 39, 0.96));
  padding: var(--space-5);
  box-shadow: 0 14px 34px rgba(2, 6, 23, 0.3);
  position: relative;
  overflow: hidden;
}

.layer-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, #0a66c2, #3b82f6);
}

.layer-card__level {
  margin: 0;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #93c5fd;
  font-weight: 600;
}

.layer-card h3 {
  margin: var(--space-2) 0 var(--space-2);
  color: #f8fafc;
  letter-spacing: var(--tracking-tight);
}

.layer-card__title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.layer-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-grid;
  place-items: center;
  border-radius: 0.35rem;
  border: 1px solid rgba(147, 197, 253, 0.36);
  background: rgba(59, 130, 246, 0.14);
  color: #bfdbfe;
  font-size: 0.76rem;
  line-height: 1;
}

.layer-card p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.7;
}

.layer-card--acos {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.88), rgba(17, 24, 39, 0.96));
  border-color: rgba(148, 163, 184, 0.24);
  padding: var(--space-4) var(--space-5);
}

.layer-card__list {
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

.layer-card__list li {
  color: #cbd5e1;
  font-size: var(--text-sm);
}

/* Single management console */
.section--single-console {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

.single-console-shell {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(145deg, #ffffff, #f6faff);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.12);
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: var(--space-8);
  align-items: center;
}

.single-console__lead {
  color: var(--color-ink-muted);
  line-height: 1.75;
  max-width: 58ch;
}

.single-console__list {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.single-console__list li {
  position: relative;
  padding-left: 1.5rem;
  color: #1f2937;
  font-size: var(--text-sm);
  line-height: 1.65;
}

.single-console__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a66c2, #3b82f6);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.single-console__media {
  margin: 0;
}

.single-console__media img {
  width: 100%;
  border: 1px solid rgba(10, 102, 194, 0.22);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: var(--space-2);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
}

/* Backup & DR */
.section--backup-dr {
  background: linear-gradient(180deg, #f5f9ff 0%, #ebf2fb 100%);
}

.backup-dr-shell {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(145deg, #ffffff, #f5f9ff);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  gap: var(--space-8);
  align-items: center;
}

.backup-dr__lead {
  color: var(--color-ink-muted);
  line-height: 1.75;
}

.backup-dr__grid {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.backup-dr__grid article {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: var(--space-4);
}

.backup-dr__grid h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-accent-strong);
  font-size: var(--text-base);
}

.backup-dr__grid p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.backup-dr__risk {
  background: linear-gradient(145deg, #fff7f7, #fff) !important;
  border-color: rgba(220, 38, 38, 0.18) !important;
}

.backup-dr__thumbs {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.backup-dr__thumbs article {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 0.55rem;
}

.backup-dr__thumbs img {
  width: 100%;
  border: 1px solid rgba(10, 102, 194, 0.2);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 0.2rem;
  box-shadow: none;
}

.backup-dr__thumbs p {
  margin: 0.45rem 0 0.1rem;
  text-align: center;
  color: var(--color-accent-strong);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.backup-dr__reference {
  margin-top: var(--space-4);
  width: 100%;
  border: 1px solid rgba(10, 102, 194, 0.16);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 0.3rem;
}

.backup-dr__media {
  margin: 0;
  border: 1px solid rgba(10, 102, 194, 0.18);
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(145deg, #ffffff, #f7fbff);
  padding: var(--space-3);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
}

.backup-dr__media-title {
  margin: 0;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-strong);
  font-weight: 700;
}

.backup-dr__kpis {
  margin-top: var(--space-3);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.backup-dr__kpis article {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: var(--space-3);
}

.backup-dr__kpis h4 {
  margin: 0 0 0.35rem;
  color: var(--color-accent-strong);
  font-size: var(--text-sm);
}

.backup-dr__kpis p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

/* VMware mapping */
.section--vmware-mapping {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

.vmware-shell {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(145deg, #ffffff, #f5f9ff);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: var(--space-8);
  align-items: center;
}

.vmware-shell__lead {
  color: var(--color-ink-muted);
  line-height: 1.75;
}

.vmware-shell__list {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.vmware-shell__list li {
  position: relative;
  padding-left: 1.5rem;
  color: #1f2937;
  font-size: var(--text-sm);
  line-height: 1.65;
}

.vmware-shell__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a66c2, #3b82f6);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.vmware-shell__media {
  margin: 0;
  border: 1px solid rgba(10, 102, 194, 0.18);
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(145deg, #ffffff, #f7fbff);
  padding: var(--space-3);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
}

.vmware-shell__media img {
  width: 100%;
  border: 1px solid rgba(10, 102, 194, 0.16);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: var(--space-1);
}

/* Acknowledged */
.section--ack {
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
}

.ack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.ack-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-align: left;
}

.ack-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
}

.ack-card h3 {
  margin-bottom: var(--space-2);
  color: var(--color-accent-strong);
}

.ack-card p {
  color: var(--color-ink-muted);
}

.ack-firms {
  margin: var(--space-8) auto 0;
  width: min(100%, 38rem);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(145deg, #ffffff, #f7fbff);
  padding: var(--space-2);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
  text-align: center;
}

.ack-firms img {
  width: 100%;
  max-width: 34rem;
  margin-inline: auto;
  border-radius: calc(var(--radius-sm) + 2px);
  border: 1px solid rgba(10, 102, 194, 0.12);
}

/* Team */
.section--team {
  background: #0b0f19;
}

.section--team .section__title {
  color: #f8fafc;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.team-card {
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.65);
  padding: var(--space-4);
  color: #e5e7eb;
  transition: transform var(--transition-base), border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: rgba(147, 197, 253, 0.45);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.42);
}

.team-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 2px);
  margin-bottom: var(--space-4);
}

.team-card h3 {
  margin-bottom: var(--space-2);
}

.team-role {
  margin: 0;
  color: #93c5fd;
  font-size: var(--text-sm);
}

/* Advantage */
.section--advantage {
  background: linear-gradient(135deg, #0a66c2, #003366);
}

.section--advantage .section__title {
  color: #f8fafc;
}

.advantage-list {
  display: grid;
  gap: var(--space-4);
}

.advantage-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  transition: padding-left var(--transition-base), background var(--transition-base);
}

.advantage-item:hover {
  padding-left: var(--space-3);
  background: rgba(255, 255, 255, 0.03);
}

.advantage-item span {
  color: rgba(241, 245, 249, 0.65);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  font-weight: 700;
}

.advantage-icon {
  width: 2.1rem;
  height: 2.1rem;
  display: inline-grid;
  place-items: center;
  border-radius: 0.6rem;
  line-height: 1;
  letter-spacing: normal !important;
  color: #eff6ff !important;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.advantage-icon svg {
  width: 1.1rem;
  height: 1.1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.advantage-item p {
  margin: 0;
  color: #e2e8f0;
  font-size: var(--text-lg);
}

/* Architecture */
.section--architecture {
  background: linear-gradient(170deg, #0b0f19 0%, #003366 65%, #1f2937 100%);
}

.section--architecture .section__title,
.section--architecture .section__intro {
  color: #e5e7eb;
}

.architecture-panel {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.26);
  background: rgba(15, 23, 42, 0.6);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  overflow: hidden;
}

.architecture-gridline {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(148, 163, 184, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
}

.architecture-node {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(147, 197, 253, 0.24);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.82);
  padding: var(--space-5);
}

.architecture-node h3 {
  margin-bottom: var(--space-2);
  color: #bfdbfe;
}

.architecture-node p {
  margin: 0;
  color: #cbd5e1;
}

/* Case studies */
.section--cases {
  background: linear-gradient(to bottom, #f8fafc, #eef3fb);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.case-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
}

.case-card__tag {
  display: inline-flex;
  margin-bottom: var(--space-3);
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-pill);
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-accent-strong);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-card h3 {
  margin-bottom: var(--space-2);
}

.case-card p {
  margin: 0;
  color: var(--color-ink-muted);
}

.case-card__kpi {
  margin-top: var(--space-4) !important;
  color: #0a66c2 !important;
  font-weight: 700;
}

/* Contact panel */
.section--contact {
  padding-block: var(--space-16);
}

.contact-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(120deg, #0b0f19, #003366 42%, #1f2937);
  color: #e5e7eb;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.contact-panel .section__title {
  color: #f9fafb;
}

.contact-panel__text {
  margin-top: var(--space-3);
  max-width: 36ch;
  color: rgba(226, 232, 240, 0.9);
}

.contact-panel__cta {
  display: grid;
  gap: var(--space-3);
  justify-items: flex-start;
}

.contact-panel__note {
  font-size: var(--text-sm);
  color: rgba(209, 213, 219, 0.9);
}

.contact-panel .btn--primary {
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.55);
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.site-footer {
  background: #020617;
  color: #e5e7eb;
  padding-top: var(--space-16);
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: #93c5fd;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer__tagline {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: #9ca3af;
  max-width: 32rem;
}

.footer__heading {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #9ca3af;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.footer__address {
  font-size: var(--text-sm);
  color: #d1d5db;
  display: grid;
  gap: var(--space-2);
}

.social-list {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.7);
  transition: border-color var(--transition-fast), background var(--transition-fast),
    transform var(--transition-fast);
}

.social-link:hover {
  border-color: #93c5fd;
  background: rgba(29, 78, 216, 0.3);
  transform: translateY(-2px);
}

.footer__bar {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  padding-block: var(--space-4);
  background: radial-gradient(circle at bottom, rgba(37, 99, 235, 0.26), transparent 55%);
}

.footer__bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: #9ca3af;
}

.footer__meta {
  opacity: 0.85;
}

/* -------------------------------------------------------------------------- */
/* Responsive                                                                 */
/* -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .split-grid {
    grid-template-columns: 1fr;
  }

  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .architecture-panel {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .specs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .vas-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .arcfra-layout,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .arcfra-side {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .single-console-shell {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .backup-dr-shell {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .backup-dr__grid {
    grid-template-columns: 1fr;
  }

  .backup-dr__kpis {
    grid-template-columns: 1fr;
  }

  .vmware-shell {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .fullstack-shell,
  .fullstack-shell--reverse {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .fullstack-shell--reverse .fullstack-shell__copy,
  .fullstack-shell--reverse .fullstack-shell__media {
    order: initial;
  }

  .ack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-grid__media {
    order: -1;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    padding: var(--space-4) var(--container-gutter) var(--space-6);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-slow), opacity var(--transition-base);
  }

  .site-header.is-nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .nav-link {
    padding-block: var(--space-3);
    border-radius: var(--radius-md);
  }

  .nav-link--cta {
    margin-left: 0;
    margin-top: var(--space-2);
    justify-content: center;
  }

  .hero-shell {
    padding: var(--space-5);
  }

  .values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .values-grid,
  .feature-grid--specs {
    grid-template-columns: 1fr;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .specs-grid {
    grid-template-columns: 1fr;
  }

  .vas-grid {
    grid-template-columns: 1fr;
  }

  .ack-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    align-items: flex-start;
  }
}