/* ==========================================================================
   Skyn3twork Solutions — Design System
   Brand palette (Brand Guidelines v1.1):
     Dark Azure          #012d56  — headings, primary buttons, brand blocks
     Vivid Azure         #0e6f91  — links, highlights, accents
     Dark Gray Blue      #273749  — body text, dark panels
     Cloudlight Off-White#F5F8FA  — dominant canvas
     Global Amber        #F2B84B  — alerts, live indicators, secondary CTAs
   ========================================================================== */

:root {
  /* Brand tokens */
  --dark-azure: #012d56;
  --vivid-azure: #0e6f91;
  --gray-blue: #273749;
  --off-white: #F5F8FA;
  --amber: #F2B84B;

  /* Derived tints/shades of approved colors */
  --azure-bright: #38bdd8;          /* Vivid Azure tint for dark surfaces (matches logo cyan) */
  --azure-deep-2: #02223f;          /* Dark Azure shade for gradients */
  --azure-deep-3: #011225;          /* deepest Dark Azure shade for hero base */
  --azure-tint-08: rgba(14, 111, 145, 0.08);
  --azure-tint-12: rgba(14, 111, 145, 0.12);
  --navy-line: rgba(1, 45, 86, 0.10);
  --white: #ffffff;

  /* Semantic tokens */
  --bg: var(--off-white);
  --surface: var(--white);
  --text: var(--gray-blue);
  --text-muted: #51617a;
  --heading: var(--dark-azure);
  --link: var(--vivid-azure);

  /* Type scale (fluid) */
  --fs-display: clamp(2.25rem, 1.4rem + 3.6vw, 4rem);
  --fs-h1: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --fs-h2: clamp(1.6rem, 1.25rem + 1.5vw, 2.375rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);
  --fs-body-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-label: 0.8125rem;

  /* Layout */
  --container: 72rem;
  --container-wide: 80rem;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --header-h: 4.5rem;

  /* Elevation scale */
  --shadow-1: 0 1px 2px rgba(1, 45, 86, 0.06), 0 2px 8px rgba(1, 45, 86, 0.06);
  --shadow-2: 0 4px 12px rgba(1, 45, 86, 0.08), 0 12px 32px rgba(1, 45, 86, 0.10);
  --shadow-3: 0 8px 24px rgba(1, 45, 86, 0.14), 0 24px 64px rgba(1, 45, 86, 0.16);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 240ms;
}

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

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

body {
  margin: 0;
  font-family: "Inter", "Aptos", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  color: var(--heading);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  font-weight: 650;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 600; }

p { margin: 0 0 1em; max-width: 65ch; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

:focus-visible {
  outline: 3px solid var(--azure-bright);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: rgba(56, 189, 216, 0.35); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2000;
  background: var(--dark-azure);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: top 200ms var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* ---------- Layout helpers ---------- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}
.container--wide { width: min(100% - 2.5rem, var(--container-wide)); }

.section { padding-block: clamp(4rem, 3rem + 4vw, 7rem); }
.section--tight { padding-block: clamp(3rem, 2.5rem + 2.5vw, 4.5rem); }
.section--white { background: var(--surface); }
.section--dark {
  background:
    radial-gradient(120% 140% at 85% -10%, rgba(14, 111, 145, 0.35), transparent 55%),
    linear-gradient(160deg, var(--dark-azure) 0%, var(--azure-deep-2) 100%);
  color: rgba(245, 248, 250, 0.88);
}
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: rgba(245, 248, 250, 0.82); }

/* Section intro pattern */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vivid-azure);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--vivid-azure), var(--azure-bright));
}
.section--dark .eyebrow { color: var(--azure-bright); }
.section--dark .eyebrow::before { background: var(--azure-bright); }

.section-head { max-width: 46rem; margin-bottom: clamp(2.25rem, 2rem + 1.5vw, 3.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center p { margin-inline: auto; }
.lede { font-size: var(--fs-body-lg); color: var(--text-muted); }
.section--dark .lede { color: rgba(245, 248, 250, 0.75); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  touch-action: manipulation;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn .btn-icon { width: 1.1em; height: 1.1em; flex: none; transition: transform var(--dur) var(--ease-out); }
.btn:hover .btn-icon { transform: translateX(3px); }
.btn:disabled { opacity: 0.6; cursor: progress; transform: none; box-shadow: none; }

.btn--primary {
  background: var(--dark-azure);
  color: #fff;
  box-shadow: 0 6px 18px rgba(1, 45, 86, 0.28);
}
.btn--primary:hover { background: #0a3d6e; box-shadow: 0 10px 26px rgba(1, 45, 86, 0.34); }

.btn--light {
  background: #fff;
  color: var(--dark-azure);
  box-shadow: 0 8px 24px rgba(0, 10, 25, 0.35);
}
.btn--light:hover { background: var(--off-white); }

.btn--ghost {
  background: transparent;
  color: var(--dark-azure);
  border-color: rgba(1, 45, 86, 0.35);
}
.btn--ghost:hover { border-color: var(--dark-azure); background: var(--azure-tint-08); }

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}
.btn--ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, 0.12); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(1, 34, 63, 0.88);
  background: color-mix(in srgb, var(--dark-azure) 92%, black 8%);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: box-shadow var(--dur) var(--ease-out);
}
.site-header.is-scrolled { box-shadow: 0 10px 30px rgba(0, 10, 25, 0.35); }

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 3rem; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  color: rgba(245, 248, 250, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); text-decoration: none; }
.nav-links a[aria-current="page"] { color: #fff; }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.35rem;
  height: 2px;
  border-radius: 2px;
  background: var(--azure-bright);
}
.nav-cta { margin-left: 0.75rem; }
.nav-links .btn { min-height: 2.65rem; padding: 0.55rem 1.3rem; font-size: 0.95rem; }

.btn--nav {
  background: var(--azure-bright);
  color: var(--azure-deep-2);
  font-weight: 650;
}
.btn--nav:hover { background: #5cd2e8; }

.login-back {
  color: rgba(245, 248, 250, 0.88);
  font-weight: 600;
}
.login-back:hover { color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.9rem;
  height: 2.9rem;
  padding: 0.7rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle .bar {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: #fff;
  transition: transform 260ms var(--ease-out), opacity 200ms var(--ease-out);
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    /* cyan signal glow behind the network visual */
    radial-gradient(46% 62% at 76% 42%, rgba(56, 189, 216, 0.20), transparent 65%),
    /* vivid azure bloom, upper right */
    radial-gradient(70% 95% at 92% -8%, rgba(14, 111, 145, 0.55), transparent 62%),
    /* faint cyan lift, lower left */
    radial-gradient(52% 70% at 4% 96%, rgba(56, 189, 216, 0.10), transparent 58%),
    /* deep vignette pulling the base darker */
    radial-gradient(130% 120% at 50% 130%, rgba(1, 10, 22, 0.85), transparent 62%),
    /* dark azure base, lighter top-left falling into near-black navy */
    linear-gradient(158deg, #03396b 0%, var(--dark-azure) 30%, #01254a 58%, var(--azure-deep-3) 100%);
  color: #fff;
}
.hero::before {
  /* subtle node grid texture */
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245, 248, 250, 0.10) 1px, transparent 1.6px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 75%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 75%);
  pointer-events: none;
}
.hero::after {
  /* hairline cyan horizon along the top edge for a premium finish */
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 8%, rgba(56, 189, 216, 0.55) 50%, transparent 92%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
  padding-block: clamp(4rem, 3rem + 5vw, 8rem);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-size: var(--fs-label);
  font-weight: 550;
  letter-spacing: 0.04em;
  color: rgba(245, 248, 250, 0.92);
}
.hero-badge .pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--amber);
}
.hero-badge .pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid var(--amber);
  opacity: 0.7;
  animation: pulse-ring 2.2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 0.8; }
  70%, 100% { transform: scale(1.5); opacity: 0; }
}

.hero h1 {
  color: #fff;
  font-size: var(--fs-display);
  font-weight: 700;
  margin-bottom: 1.1rem;
}
.hero h1 .accent {
  background: linear-gradient(92deg, #7ddcee, var(--azure-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede {
  color: rgba(245, 248, 250, 0.80);
  margin-bottom: 2.1rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.5rem; }

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  font-weight: 500;
  color: rgba(245, 248, 250, 0.85);
}
.hero-points svg { width: 1.05rem; height: 1.05rem; color: var(--azure-bright); flex: none; }

.hero-visual { position: relative; }
.hero-visual svg { width: 100%; height: auto; }

/* ---------- Edge / Network / Cloud layer strip ---------- */
.layer-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  counter-reset: layer;
}
.layer-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.7rem 1.7rem;
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.layer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.layer-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vivid-azure), var(--azure-bright));
}
.layer-card .layer-num {
  font-size: var(--fs-label);
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vivid-azure);
}
.layer-card h3 { margin-top: 0.4rem; margin-bottom: 0.5rem; }
.layer-card p { font-size: var(--fs-small); color: var(--text-muted); margin: 0; }
.layer-card .icon-tile { margin-bottom: 1.1rem; }

/* Connector arrows between layer cards (desktop) */
.layer-strip-wrap { position: relative; }

/* ---------- Icon tile ---------- */
.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--azure-tint-12), var(--azure-tint-08));
  border: 1px solid rgba(14, 111, 145, 0.18);
  color: var(--vivid-azure);
  flex: none;
}
.icon-tile svg { width: 1.6rem; height: 1.6rem; }
.icon-tile--dark {
  background: rgba(56, 189, 216, 0.12);
  border-color: rgba(56, 189, 216, 0.3);
  color: var(--azure-bright);
}

/* ---------- Split feature blocks ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.25rem, 4vw, 5rem);
  align-items: center;
}
.split + .split { margin-top: clamp(4rem, 3rem + 4vw, 6.5rem); }
.split--reverse > .split-media { order: 2; }

.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.split-media svg, .split-media img { width: 100%; height: auto; display: block; object-fit: cover; }

.check-list { display: grid; gap: 0.8rem; margin-block: 1.5rem; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--fs-body);
}
.check-list .check {
  width: 1.35rem;
  height: 1.35rem;
  flex: none;
  margin-top: 0.15rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--azure-tint-12);
  color: var(--vivid-azure);
}
.check-list .check svg { width: 0.8rem; height: 0.8rem; }
.section--dark .check-list .check { background: rgba(56, 189, 216, 0.16); color: var(--azure-bright); }

/* ---------- Card grids ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: 1.25rem;
}
.card-grid--3col { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: rgba(14, 111, 145, 0.3); }
.card .icon-tile { margin-bottom: 1.15rem; }
.card h3 { font-size: 1.125rem; margin-bottom: 0.45rem; }
.card p { font-size: var(--fs-small); color: var(--text-muted); margin: 0; }

.card--dark {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.card--dark:hover { border-color: rgba(56, 189, 216, 0.45); box-shadow: 0 12px 32px rgba(0, 10, 25, 0.35); }
.card--dark h3 { color: #fff; }
.card--dark p { color: rgba(245, 248, 250, 0.72); }

/* ---------- Application cards ---------- */
.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.app-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); }
.app-card .icon-tile { margin-bottom: 1.5rem; }
#utilities .icon-tile svg { width: 2.4rem; height: 2.4rem; }
.app-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vivid-azure), var(--azure-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 320ms var(--ease-out);
}
.app-card:hover::after { transform: scaleX(1); }

.cso { display: grid; gap: 1.1rem; margin-top: 1.4rem; }
.cso > div {
  padding-left: 1rem;
  border-left: 3px solid var(--azure-tint-12);
}
.cso .cso-label {
  display: block;
  font-size: var(--fs-label);
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vivid-azure);
  margin-bottom: 0.25rem;
}
.cso p { font-size: var(--fs-small); margin: 0; color: var(--text-muted); }
.cso > div:last-child { border-left-color: var(--amber); }
.cso > div:last-child .cso-label { color: #a06a00; }

/* ---------- Chips ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(14, 111, 145, 0.25);
  background: var(--surface);
  font-size: var(--fs-small);
  font-weight: 550;
  color: var(--dark-azure);
}
.chip--dark {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(245, 248, 250, 0.92);
}

/* ---------- Security flow ---------- */
.secure-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 2.5rem;
}
.secure-step {
  position: relative;
  text-align: center;
  padding: 1.25rem 1rem;
}
.secure-step .icon-tile { margin-inline: auto; margin-bottom: 0.9rem; }
.secure-step h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.secure-step p { font-size: var(--fs-label); margin: 0; color: rgba(245, 248, 250, 0.65); }
.secure-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2.55rem;
  right: -1.6rem;
  width: 3.2rem;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--azure-bright) 0 6px, transparent 6px 12px);
  opacity: 0.7;
}

/* ---------- Outcomes ---------- */
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.outcome {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.outcome:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.outcome h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.outcome p { font-size: var(--fs-small); color: var(--text-muted); margin: 0; }
.outcome .icon-tile { width: 2.9rem; height: 2.9rem; border-radius: 12px; }
.outcome .icon-tile svg { width: 1.4rem; height: 1.4rem; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(100% 160% at 90% -20%, rgba(56, 189, 216, 0.35), transparent 55%),
    linear-gradient(150deg, #03396b, var(--dark-azure) 55%, var(--azure-deep-2));
  color: #fff;
  padding: clamp(2.75rem, 2rem + 3.5vw, 5rem) clamp(1.75rem, 1rem + 4vw, 5rem);
  box-shadow: var(--shadow-3);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245, 248, 250, 0.12) 1px, transparent 1.6px);
  background-size: 30px 30px;
  mask-image: radial-gradient(80% 90% at 80% 20%, rgba(0,0,0,0.8), transparent 70%);
  -webkit-mask-image: radial-gradient(80% 90% at 80% 20%, rgba(0,0,0,0.8), transparent 70%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(245, 248, 250, 0.82); max-width: 42rem; }
.cta-band .hero-ctas { margin-bottom: 0; margin-top: 1.8rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--azure-deep-2);
  color: rgba(245, 248, 250, 0.75);
  padding-block: 3.5rem 2rem;
  font-size: var(--fs-small);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.75fr 0.85fr 0.85fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer .brand img { height: 2.9rem; }
.footer-tagline { margin-top: 1.1rem; color: var(--azure-bright); font-weight: 550; }
.footer-boiler { margin-top: 0.5rem; max-width: 34rem; color: rgba(245, 248, 250, 0.65); }
.footer-col h4 {
  color: #fff;
  font-size: var(--fs-label);
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col ul { display: grid; gap: 0.35rem; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  color: rgba(245, 248, 250, 0.75);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  justify-content: space-between;
  padding-top: 1.75rem;
  color: rgba(245, 248, 250, 0.5);
}
/* Source PNG has transparent padding; trim it so the logo sits snugly beside the text. */
.footer-powered-logo {
  display: inline-block;
  height: 2.4375rem;
  width: auto;
  vertical-align: middle;
  margin: -0.75rem -0.75rem -0.75rem -0.525rem;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60% 90% at 88% 8%, rgba(14, 111, 145, 0.5), transparent 60%),
    radial-gradient(40% 60% at 8% 100%, rgba(56, 189, 216, 0.10), transparent 58%),
    radial-gradient(130% 120% at 50% 135%, rgba(1, 10, 22, 0.8), transparent 60%),
    linear-gradient(158deg, #03396b 0%, var(--dark-azure) 34%, #01254a 66%, var(--azure-deep-3) 100%);
  color: #fff;
  padding-block: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
}
.page-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 8%, rgba(56, 189, 216, 0.55) 50%, transparent 92%);
  pointer-events: none;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245, 248, 250, 0.1) 1px, transparent 1.6px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent 80%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent 80%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; max-width: 18em; }
.page-hero .lede { color: rgba(245, 248, 250, 0.78); max-width: 46rem; margin-bottom: 0; }

/* ---------- Partner band ---------- */
.partner-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.9rem, 1.5rem + 2vw, 3.5rem);
  box-shadow: var(--shadow-2);
}
.partner-panel img { width: 100%; height: auto; display: block; }
.partner-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  background: var(--azure-tint-08);
  border: 1px solid rgba(14, 111, 145, 0.2);
  color: var(--dark-azure);
  font-weight: 650;
  letter-spacing: 0.02em;
  margin-bottom: 1.2rem;
}

/* ---------- Contact / form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.25rem, 4vw, 4.5rem);
  align-items: start;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 1.4rem + 1.5vw, 2.75rem);
  box-shadow: var(--shadow-2);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: var(--fs-small); font-weight: 600; color: var(--dark-azure); }
.form-field .req { color: #b3540b; }
.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--off-white);
  border: 1.5px solid rgba(39, 55, 73, 0.22);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  min-height: 3rem;
  width: 100%;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.form-field textarea { resize: vertical; min-height: 7.5rem; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--vivid-azure);
  box-shadow: 0 0 0 3px rgba(14, 111, 145, 0.18);
}
.form-field .field-error {
  display: none;
  font-size: var(--fs-label);
  font-weight: 550;
  color: #b3261e;
}
.form-field.has-error input,
.form-field.has-error textarea,
.form-field.has-error select { border-color: #b3261e; }
.form-field.has-error .field-error { display: block; }
.form-note { font-size: var(--fs-label); color: var(--text-muted); margin-top: 1rem; }
.form-success {
  display: none;
  align-items: flex-start;
  gap: 0.8rem;
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  background: rgba(14, 111, 145, 0.08);
  border: 1px solid rgba(14, 111, 145, 0.3);
  color: var(--dark-azure);
  font-weight: 550;
}
.form-success.is-visible { display: flex; }
.form-success svg { width: 1.3rem; height: 1.3rem; flex: none; color: var(--vivid-azure); margin-top: 0.15rem; }

.form-error {
  display: none;
  align-items: flex-start;
  gap: 0.8rem;
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  background: rgba(179, 38, 30, 0.07);
  border: 1px solid rgba(179, 38, 30, 0.3);
  color: #8c1d18;
  font-weight: 550;
}
.form-error.is-visible { display: flex; }
.form-error svg { width: 1.3rem; height: 1.3rem; flex: none; color: #b3261e; margin-top: 0.15rem; }
.form-error a { color: inherit; text-decoration: underline; }

/* ---------- Login and site editor ---------- */
.login-page {
  min-height: 100vh;
  background:
    radial-gradient(70% 80% at 90% 10%, rgba(56, 189, 216, 0.13), transparent 60%),
    var(--off-white);
}

.login-main {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--header-h));
  padding: clamp(2.5rem, 7vw, 6rem) 1.25rem;
}

.login-card,
.editor-dashboard {
  width: min(100%, 38rem);
  padding: clamp(1.75rem, 5vw, 3rem);
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
}

.login-card h1,
.editor-dashboard h1 { margin-bottom: 0.4em; }

.login-form {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.75rem;
}

.login-form .btn { margin-top: 0.35rem; }

.login-error {
  max-width: none;
  margin: 0;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(179, 38, 30, 0.3);
  border-radius: 10px;
  background: rgba(179, 38, 30, 0.07);
  color: #8c1d18;
  font-size: var(--fs-small);
  font-weight: 550;
}

.editor-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.75rem 0;
}

.editor-page-grid a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(14, 111, 145, 0.24);
  border-radius: 12px;
  background: var(--azure-tint-08);
  color: var(--dark-azure);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.editor-page-grid a:hover {
  transform: translateY(-2px);
  border-color: var(--vivid-azure);
  text-decoration: none;
}

.editor-page-grid span { color: var(--text-muted); font-size: var(--fs-small); }

.cms-editing { padding-top: 4.35rem; }
.cms-editing .site-header { top: 4.35rem; }

.cms-toolbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 3000;
  min-height: 4.35rem;
  background: #fff;
  border-bottom: 1px solid var(--navy-line);
  box-shadow: 0 8px 30px rgba(1, 45, 86, 0.18);
  color: var(--gray-blue);
}

.cms-toolbar__inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: min(100% - 2rem, var(--container-wide));
  min-height: 4.35rem;
  margin-inline: auto;
}

.cms-toolbar select {
  min-height: 2.55rem;
  padding: 0.45rem 2.2rem 0.45rem 0.75rem;
  border: 1px solid rgba(39, 55, 73, 0.25);
  border-radius: 8px;
  background: var(--off-white);
  color: var(--dark-azure);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
}

.cms-toolbar .btn { min-height: 2.55rem; padding: 0.55rem 1rem; font-size: 0.88rem; }
.cms-toolbar__hint { color: var(--text-muted); font-size: var(--fs-small); }
.cms-toolbar__status { margin-left: auto; font-size: var(--fs-small); font-weight: 600; }
.cms-toolbar__status.is-success { color: #176c44; }
.cms-toolbar__status.is-error { color: #8c1d18; }
.cms-toolbar__cancel { border: 1px solid rgba(39, 55, 73, 0.25); background: #fff; color: var(--gray-blue); }
.cms-toolbar__logout {
  border: 0;
  background: transparent;
  color: var(--vivid-azure);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
}

.cms-editable {
  border-radius: 3px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  outline: 1px dashed rgba(242, 184, 75, 0.85);
  outline-offset: 2px;
  background: rgba(242, 184, 75, 0.12);
  cursor: text;
}

.cms-editable:hover,
.cms-editable:focus {
  outline: 2px solid var(--amber);
  background: rgba(242, 184, 75, 0.22);
}

/* Honeypot — hidden from people, visible to naive bots */
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.contact-list { display: grid; gap: 1.4rem; margin-top: 2rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-list h3 { font-size: 1.02rem; margin-bottom: 0.2rem; }
.contact-list p { font-size: var(--fs-small); color: var(--text-muted); margin: 0; }

/* ---------- Values / how-we-work ---------- */
.value-row {
  counter-reset: value;
  display: grid;
  gap: 1rem;
}
.value-item {
  counter-increment: value;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-1);
}
.value-item::before {
  content: "0" counter(value);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--azure-bright);
  line-height: 1.2;
  flex: none;
  min-width: 2.4rem;
}
.value-item h3 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.value-item p { font-size: var(--fs-small); color: var(--text-muted); margin: 0; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- SVG diagram animation ---------- */
.flow-pulse { animation: flow-dash 2.6s linear infinite; }
@keyframes flow-dash { to { stroke-dashoffset: -120; } }

.node-glow { animation: node-glow 3s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes node-glow {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.float-slow { animation: float-slow 7s ease-in-out infinite; }
@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- Device carousel (Home: Industrial Edge) ---------- */
/* The carousel card supplies its own frame, so the generic .split-media
   shadow/radius is dropped on this instance to avoid a double border. */
.split-media--plain { border-radius: 0; overflow: visible; box-shadow: none; min-width: 0; }

.device-carousel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  min-width: 0;
}

.device-carousel__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  outline: none;
}
.device-carousel__viewport::-webkit-scrollbar { display: none; }
.device-carousel__viewport:focus-visible {
  outline: 3px solid var(--vivid-azure);
  outline-offset: -3px;
}

.device-carousel__track { display: flex; }

.device-slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 3rem 1.25rem;
  text-align: center;
}

/* Title — top of the card, slightly smaller than previous h3 heading for readable descriptive copy */
.device-slide__title {
  font-size: var(--fs-body-lg);
  font-weight: 600;
  line-height: 1.35;
  color: var(--heading);
  margin: 0;
  min-height: 2.7em;
  display: flex;
  align-items: center;
  justify-content: center;
  text-wrap: balance;
}

/* Product stage — tinted panel so the black hardware separates from the card */
.device-slide__stage {
  display: grid;
  place-items: center;
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 45%, rgba(14, 111, 145, 0.10), transparent 68%),
    var(--off-white);
  flex: 1;
}
.device-slide__stage img {
  width: 100%;
  max-width: 19rem;
  height: auto;
  display: block;
  object-fit: contain;
}

.device-slide__caption {
  display: none;
}

/* Prev/next controls */
.device-carousel__nav {
  position: absolute;
  top: calc(50% - 0.9rem);
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--navy-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--heading);
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: background var(--dur, 200ms) var(--ease-out), color 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.device-carousel__nav svg { width: 1.15rem; height: 1.15rem; }
.device-carousel__nav--prev { left: 0.6rem; }
.device-carousel__nav--next { right: 0.6rem; }
.device-carousel__nav:hover { background: var(--dark-azure); color: var(--white); }
.device-carousel__nav:focus-visible { outline: 3px solid var(--vivid-azure); outline-offset: 2px; }
.device-carousel__nav:active { transform: translateY(-50%) scale(0.94); }

/* Dots */
.device-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding-bottom: 1.15rem;
}
.device-carousel__dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(1, 45, 86, 0.22);
  cursor: pointer;
  transition: background 200ms var(--ease-out), width 200ms var(--ease-out);
}
.device-carousel__dot[aria-selected="true"] { width: 1.4rem; border-radius: 1rem; background: var(--vivid-azure); }
.device-carousel__dot:focus-visible { outline: 3px solid var(--vivid-azure); outline-offset: 2px; }

@media (max-width: 30rem) {
  .device-slide { padding-inline: 2.25rem; }
  .device-carousel__nav { width: 2.1rem; height: 2.1rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .motion-dots { display: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 63.75rem) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 34rem; margin-inline: auto; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .split--reverse > .split-media { order: 0; }
  .split-media { max-width: 36rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .partner-panel { grid-template-columns: minmax(0, 1fr); }
  .secure-flow { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .secure-step:not(:last-child)::after { display: none; }
  .outcome-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3col { grid-template-columns: repeat(2, 1fr); }
}

/* Nav collapses to a hamburger menu whenever the full inline nav (5 links +
   CTA button) no longer fits next to the logo — a wider threshold than the
   general mobile breakpoint below, otherwise the nav overflows the page on
   tablet-ish widths instead of wrapping. */
@media (max-width: 61rem) {
  :root { --header-h: 4rem; }
  .brand img { height: 2.3rem; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem 1.25rem 1.5rem;
    background: color-mix(in srgb, var(--dark-azure) 94%, black 6%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 24px 48px rgba(0, 10, 25, 0.45);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { min-height: 3rem; font-size: 1.05rem; }
  .nav-links a[aria-current="page"]::after { left: 1rem; right: auto; width: 2rem; }
  .nav-cta { margin: 0.75rem 0 0; }
  .nav-links .btn { width: 100%; min-height: 3rem; }
}

@media (max-width: 47.9rem) {
  .layer-strip { grid-template-columns: 1fr; }
  .outcome-grid { grid-template-columns: 1fr; }
  .card-grid--3col { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .secure-flow { grid-template-columns: 1fr 1fr; }
  .hero-ctas .btn { flex: 1 1 100%; }
  .editor-page-grid { grid-template-columns: 1fr; }

  .cms-editing { padding-top: 7.1rem; }
  .cms-editing .site-header { top: 7.1rem; }
  .cms-toolbar__inner { min-height: 7.1rem; flex-wrap: wrap; align-content: center; gap: 0.5rem; }
  .cms-toolbar__hint { display: none; }
  .cms-toolbar__status { order: 10; width: 100%; margin-left: 0; }
}

@media (max-width: 30rem) {
  .secure-flow { grid-template-columns: 1fr; }
  .chip { font-size: var(--fs-label); }
}