/* ==========================================================================
   NETSHIELD — Ubiquiti systems integrator landing page
   ========================================================================== */

:root {
  /* Color tokens — dark, technical, trust-blue accent */
  --color-bg: #0a0e16;
  --color-bg-alt: #0d1220;
  --color-surface: #121826;
  --color-surface-elevated: #171f30;
  --color-border: #212b3d;
  --color-border-strong: #2c3852;

  --text-primary: #f4f7fb;
  --text-secondary: #aab4c6;
  --text-muted: #6c7688;

  --color-primary: #2e7cf6;
  --color-primary-dark: #1c5cd1;
  --color-primary-light: #6fa8ff;
  --color-cyan: #22d3ee;

  --color-success: #22c55e;
  --color-danger: #ef4444;
  --color-violet: #8b5cf6;
  --color-amber: #f5a623;
  --color-rose: #fb7185;
  --color-orange: #fb923c;

  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-cyan));

  /* Typography */
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 3.75rem;

  /* Spacing (8px rhythm) */
  --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-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --container-max: 1200px;
  --transition-fast: 180ms ease;
  --transition-base: 260ms cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --z-header: 100;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, p, dl, dd, figure, blockquote { margin: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.01em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
input, select, textarea { font: inherit; color: inherit; }

/* Fine film-grain overlay — gives the flat dark surfaces a tactile, printed
   quality instead of a flat digital gradient. Fixed + pointer-events:none so
   it never affects layout or interaction. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
  border-radius: 4px;
}

.icon { flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon[hidden] { display: none; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  transition: transform 320ms var(--ease-spring), box-shadow var(--transition-base), background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.btn-sm { padding: 0.55rem 1.1rem; font-size: var(--fs-sm); }
.btn-lg { padding: 0.9rem 1.7rem; font-size: var(--fs-md); }
.btn .icon { transition: transform 320ms var(--ease-spring); }
.btn:hover .icon { transform: translateX(3px); }

.btn-primary {
  background: var(--gradient-primary);
  color: #04101f;
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, 0.4) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 750ms var(--ease-out-expo);
}
.btn-primary:hover::after { transform: translateX(120%); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -10px rgba(46, 124, 246, 0.55); }
.btn-primary:active { transform: translateY(0); }
.btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.btn-ghost {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--color-primary-light); background: rgba(46, 124, 246, 0.08); transform: translateY(-2px); }

a.btn, button.btn { cursor: pointer; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-header);
  border-bottom: 1px solid var(--color-border);
}
/* Blur lives on a pseudo-element (not .site-header itself) so backdrop-filter
   doesn't turn the header into a containing block for #main-nav's fixed position. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(10, 14, 22, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  letter-spacing: 0.01em;
}
.logo-mark {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: var(--gradient-primary);
  box-shadow: 0 0 14px rgba(46, 124, 246, 0.5);
}
.logo-mark .icon { color: #04101f; stroke-width: 2.2; }
.logo-accent { color: var(--color-primary-light); }

.main-nav { display: flex; align-items: center; gap: var(--space-8); }
.main-nav a {
  position: relative;
  display: inline-block;
  padding-block: 0.3rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--gradient-primary);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 380ms var(--ease-out-expo);
}
.main-nav a:hover { color: var(--text-primary); }
.main-nav a:hover::after { transform: translateX(-50%) scaleX(1); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(76px + var(--space-24));
  padding-bottom: var(--space-24);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute; inset: -1px;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 40%, transparent 90%);
}
.hero-glow {
  position: absolute;
  width: 640px; height: 640px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
}
.hero-glow-1 { background: var(--color-primary); top: -220px; left: -160px; }
.hero-glow-2 { background: var(--color-cyan); bottom: -280px; right: -200px; opacity: 0.16; }

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-16);
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary-light);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: var(--space-4);
}
.hero-title {
  font-size: var(--fs-4xl);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  max-width: 46ch;
  margin-bottom: var(--space-8);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-4); }

/* Trust checklist — replaces raw stats with modest, verifiable credentials */
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.hero-trust li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.hero-trust .icon { color: var(--color-success); flex-shrink: 0; }

/* Status dot + pill, reused for the eyebrow and the floating hero badge */
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.8);
  flex-shrink: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .status-dot { animation: status-blink 2.4s ease-in-out infinite; }
}
@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.status-pill {
  position: absolute;
  top: -14px;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(10, 14, 22, 0.85);
  border: 1px solid var(--color-border-strong);
  backdrop-filter: blur(6px);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-success);
  z-index: 2;
}

/* Hero topology graphic */
.hero-visual { display: flex; justify-content: center; }
/* Shrink-wraps to the SVG's actual rendered box, so the floating pill/card
   positioned inside are placed relative to the graphic itself — not the
   (often wider) flex container around it. */
.hero-visual-inner { position: relative; display: inline-block; max-width: 100%; }
.topology { width: 100%; max-width: 460px; height: auto; overflow: visible; }
.topology-links line {
  stroke: var(--color-border-strong);
  stroke-width: 1.5;
}
.topology-node circle {
  fill: var(--color-surface-elevated);
  stroke: var(--color-border-strong);
  stroke-width: 1.5;
  transition: filter 300ms;
}
.topology-node { color: var(--color-primary-light); }
.topology-node use { color: inherit; stroke: currentColor; }
.topology-label {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  fill: var(--text-secondary);
}
.topology-label-muted { fill: var(--text-muted); opacity: 0.7; }

.topology-node-center circle {
  fill: var(--color-surface-elevated);
  stroke: var(--color-primary);
  stroke-width: 2;
  filter: drop-shadow(0 0 16px rgba(46, 124, 246, 0.55));
}
.topology-node-center { color: var(--color-cyan); }
.topology-node-camera { color: var(--color-primary-light); }
.topology-node-camera circle { stroke: var(--color-primary); }
.topology-node-phone { color: var(--color-rose); }
.topology-node-phone circle { stroke: var(--color-rose); }
.topology-node-wifi { color: var(--color-cyan); }
.topology-node-wifi circle { stroke: var(--color-cyan); }
.topology-node-printer { color: var(--color-success); }
.topology-node-printer circle { stroke: var(--color-success); }
.topology-node-access { color: var(--color-amber); }
.topology-node-access circle { stroke: var(--color-amber); }
.topology-node-iot { color: var(--color-orange); }
.topology-node-iot circle { stroke: var(--color-orange); }
.topology-node-computers { color: var(--color-violet); }
.topology-node-computers circle { stroke: var(--color-violet); }
.topology-node-server { color: var(--text-muted); opacity: 0.75; }
.topology-node-server circle { stroke: var(--color-border-strong); }

.pulse-dot { fill: var(--color-primary-light); filter: drop-shadow(0 0 4px currentColor); }
.pulse-dot-camera { fill: var(--color-primary-light); }
.pulse-dot-phone { fill: var(--color-rose); }
.pulse-dot-wifi { fill: var(--color-cyan); }
.pulse-dot-printer { fill: var(--color-success); }
.pulse-dot-access { fill: var(--color-amber); }
.pulse-dot-iot { fill: var(--color-orange); }
.pulse-dot-computers { fill: var(--color-violet); }
.pulse-dot-server { fill: var(--text-muted); }
@media (prefers-reduced-motion: reduce) {
  .topology-pulses { display: none; }
}

/* Floating "multi-location" card overlapping the top-left of the topology graphic */
.hero-mini-card {
  position: absolute;
  top: 4%;
  left: -8%;
  z-index: 2;
  width: 145px;
  padding: var(--space-4);
  background: rgba(18, 24, 38, 0.92);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
  box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.7);
}
.hero-mini-diagram { width: 100%; height: auto; margin-bottom: var(--space-2); overflow: visible; }
.mini-links line { stroke: var(--color-border-strong); stroke-width: 1.5; }
.mini-hub circle { fill: var(--color-surface-elevated); stroke: var(--color-primary); stroke-width: 1.5; }
.mini-hub { color: var(--color-cyan); }
.mini-hub use { color: inherit; fill: currentColor; }
.mini-node circle { fill: var(--color-surface-elevated); stroke: var(--color-border-strong); stroke-width: 1.5; }
.mini-node { color: var(--color-primary-light); }
.mini-node use { color: inherit; fill: none; stroke: currentColor; stroke-width: 1.6; }
.hero-mini-text { font-size: var(--fs-xs); font-weight: 700; line-height: 1.4; color: var(--text-primary); }

@media (prefers-reduced-motion: no-preference) {
  .topology-node-center circle { animation: pulse-ring 3.2s ease-in-out infinite; }
}
@keyframes pulse-ring {
  0%, 100% { filter: drop-shadow(0 0 12px rgba(46, 124, 246, 0.4)); }
  50% { filter: drop-shadow(0 0 26px rgba(46, 124, 246, 0.75)); }
}

/* ---------- Trust bar ---------- */
.trust-bar {
  border-block: 1px solid var(--color-border);
  border-image: linear-gradient(to right, transparent, var(--color-border-strong) 30%, var(--color-border-strong) 70%, transparent) 1;
  background: var(--color-bg-alt);
  padding-block: var(--space-6);
}
.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-6);
}
.trust-bar-label { font-size: var(--fs-xs); color: var(--text-muted); white-space: nowrap; }
.trust-bar-badges { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.badge-pill {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.9rem;
}

/* ---------- Sections ---------- */
.section { padding-block: var(--space-32); position: relative; overflow: hidden; isolation: isolate; }
.section-alt { background: var(--color-bg-alt); }
.section-head { max-width: 62ch; margin-bottom: var(--space-16); }
.section-head h2 { font-size: var(--fs-2xl); font-weight: 700; letter-spacing: -0.01em; margin-bottom: var(--space-4); }
.section-lead { color: var(--text-secondary); font-size: var(--fs-md); }

/* Asymmetric light pools + a PCB-trace corner motif per section — the trace
   art is this brand's own signature (echoes the hero topology) rather than
   a generic diagonal hatch, and both layers drift a few px on scroll via
   --parallax-y (set from JS/GSAP) so the page reads as considered, not as
   one static gradient template copy-pasted down the page. */
.section {
  --parallax-y: 0px;
}
.section::before {
  content: "";
  position: absolute;
  z-index: -2;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  filter: blur(20px);
  pointer-events: none;
  transform: translateY(var(--parallax-y));
}
.section::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 300px;
  height: 300px;
  pointer-events: none;
  opacity: 0.6;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cg fill='none' stroke='rgba(148,180,255,0.45)' stroke-width='1.2'%3E%3Cpath d='M20 50 H120 V130 H220'/%3E%3Cpath d='M50 260 V180 H140 V120'/%3E%3Cpath d='M260 40 V110 H190 V190'/%3E%3Cpath d='M20 200 H80 V240'/%3E%3Cpath d='M240 220 H180'/%3E%3C/g%3E%3Cg fill='rgba(148,180,255,0.55)'%3E%3Ccircle cx='20' cy='50' r='3'/%3E%3Ccircle cx='120' cy='50' r='3'/%3E%3Ccircle cx='120' cy='130' r='3'/%3E%3Ccircle cx='220' cy='130' r='3'/%3E%3Ccircle cx='50' cy='260' r='3'/%3E%3Ccircle cx='140' cy='180' r='3'/%3E%3Ccircle cx='140' cy='120' r='3'/%3E%3Ccircle cx='260' cy='40' r='3'/%3E%3Ccircle cx='190' cy='110' r='3'/%3E%3Ccircle cx='190' cy='190' r='3'/%3E%3Ccircle cx='20' cy='200' r='3'/%3E%3Ccircle cx='80' cy='200' r='3'/%3E%3Ccircle cx='80' cy='240' r='3'/%3E%3Ccircle cx='240' cy='220' r='3'/%3E%3Ccircle cx='180' cy='220' r='3'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  -webkit-mask-image: radial-gradient(circle, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle, #000 0%, transparent 72%);
  transform: translateY(calc(var(--parallax-y) * -0.6));
}

#uslugi::before { top: -260px; right: -220px; background: radial-gradient(circle, rgba(46,124,246,0.16), transparent 70%); }
#uslugi::after { bottom: -40px; left: -40px; }

#dlaczego-ubiquiti::before { bottom: -260px; left: -220px; background: radial-gradient(circle, rgba(34,211,238,0.12), transparent 70%); }
#dlaczego-ubiquiti::after { top: -40px; right: -40px; }

#proces::before { top: -220px; left: -200px; background: radial-gradient(circle, rgba(46,124,246,0.13), transparent 70%); }
#proces::after { bottom: -40px; right: -40px; }

#realizacje::before { top: -240px; right: -200px; background: radial-gradient(circle, rgba(34,211,238,0.1), transparent 70%); }
#realizacje::after { bottom: -40px; left: -40px; }

.section-cta::before { top: -300px; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, rgba(46,124,246,0.14), transparent 70%); }

/* ---------- Services accordion ---------- */
.accordion {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  border-image: linear-gradient(to right, transparent, var(--color-border-strong) 25%, var(--color-border-strong) 75%, transparent) 1;
}
.accordion-item {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  border-image: linear-gradient(to right, transparent, var(--color-border) 25%, var(--color-border) 75%, transparent) 1;
  transition: background-color var(--transition-base);
}
.accordion-item.is-open { background: var(--color-surface); }
/* A thin accent tick that grows in from the left edge on open — reads as a
   deliberate, physical "this one is selected" cue rather than just a color swap. */
.accordion-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 420ms var(--ease-out-expo);
}
.accordion-item.is-open::before { transform: scaleY(1); }
.accordion-heading-wrap { margin: 0; }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: var(--space-6) var(--space-2);
  cursor: pointer;
  transition: padding-left 320ms var(--ease-out-expo);
}
.accordion-trigger:hover { padding-left: var(--space-4); }
.accordion-trigger:hover .accordion-title { color: var(--color-primary-light); }
.accordion-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(46, 124, 246, 0.12);
  color: var(--color-primary-light);
  transition: background-color 380ms var(--ease-spring), color 380ms var(--ease-spring), transform 380ms var(--ease-spring);
}
.accordion-trigger:hover .accordion-icon { transform: scale(1.06) rotate(-4deg); }
.accordion-item.is-open .accordion-icon {
  background: var(--gradient-primary);
  color: #04101f;
  transform: none;
}
.accordion-copy { flex: 1; display: flex; flex-direction: column; gap: var(--space-1); min-width: 0; }
.accordion-title { font-family: var(--font-display); font-size: var(--fs-md); font-weight: 600; transition: color var(--transition-fast); }
.accordion-desc { font-size: var(--fs-sm); color: var(--text-secondary); }
.accordion-chevron { flex-shrink: 0; color: var(--text-muted); transition: transform 420ms var(--ease-spring), color var(--transition-base); }
.accordion-item.is-open .accordion-chevron { transform: rotate(180deg); color: var(--color-primary-light); }

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel-inner { overflow: hidden; }
.accordion-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-8);
  padding: 0 var(--space-2) var(--space-6) 78px;
}
.accordion-list li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.accordion-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.65em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary-light);
}
.accordion-note {
  margin: 0 var(--space-2) var(--space-6) 78px;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  max-width: 60ch;
}

/* ---------- Why Ubiquiti ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.why-list { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-8); }
.why-list li { display: flex; gap: var(--space-4); }
.why-list .icon { color: var(--color-primary-light); flex-shrink: 0; margin-top: 3px; }
.why-list h3 { font-size: var(--fs-base); font-weight: 700; margin-bottom: var(--space-1); }
.why-list p { color: var(--text-secondary); font-size: var(--fs-sm); }

.device-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.device-panel-header { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-6); }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-danger { background: #ef4444; }
.dot-warn { background: #f59e0b; }
.dot-ok { background: #22c55e; }
.device-panel-title { margin-left: var(--space-2); font-size: var(--fs-xs); color: var(--text-muted); font-weight: 600; }
.device-panel-row {
  display: flex; justify-content: space-between;
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.status-ok { color: var(--color-success); font-weight: 600; font-size: var(--fs-xs); }
.device-panel-chart {
  display: flex; align-items: flex-end; gap: 4px;
  height: 64px; margin-top: var(--space-6);
}
.device-panel-chart span {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, var(--color-primary), var(--color-cyan));
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
}

/* ---------- Process ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); counter-reset: step; }
.process-step {
  position: relative;
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: transform var(--transition-base), border-color var(--transition-base);
}
.process-step:hover { transform: translateY(-4px); border-color: var(--color-border-strong); }
.process-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-border-strong);
  margin-bottom: var(--space-4);
  transition: -webkit-text-stroke-color 420ms var(--ease-out-expo), color 420ms var(--ease-out-expo);
}
.process-step:hover .process-number { -webkit-text-stroke-color: var(--color-primary-light); }
.process-step h3 { font-size: var(--fs-base); font-weight: 700; margin-bottom: var(--space-2); }
.process-step p { font-size: var(--fs-sm); color: var(--text-secondary); }

/* ---------- Case study ---------- */
.case-study {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-16);
}
.case-study-header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  border-image: linear-gradient(to right, var(--color-border-strong), transparent 60%) 1;
}
/* Placeholder client mark — swap for the real logo file (assets/logos/) via a
   simple <img>, same slot, once it's saved into the project. */
.case-logo-badge {
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 0.2em;
  padding: 0.7rem 1.1rem;
  border: 1px solid #3a2f10;
  border-radius: var(--radius-md);
  background: #0f0d06;
  color: var(--color-amber);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  font-style: italic;
  letter-spacing: 0.01em;
}
.case-logo-badge span { color: var(--color-amber); opacity: 0.75; }
.case-study-heading { display: flex; flex-direction: column; gap: var(--space-2); }
.case-study-tag {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-light);
}
.case-study-title { font-size: var(--fs-xl); font-weight: 700; }
.case-study-intro { font-size: var(--fs-md); color: var(--text-secondary); max-width: 75ch; margin-bottom: var(--space-8); }

/* Expand/collapse toggle — hidden on desktop where the details stay open. */
.case-study-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: none;
  padding: 0;
  margin-bottom: var(--space-6);
  color: var(--color-primary-light);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 700;
  cursor: pointer;
}
.case-study-toggle .icon { transition: transform 380ms var(--ease-spring); }
.case-study.is-open .case-study-toggle .icon { transform: rotate(180deg); }

.case-study-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
.case-col {
  border-radius: var(--radius-md);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
}
.case-col-problem { background: var(--color-bg-alt); border-left: 3px solid var(--color-border-strong); }
.case-col-solution { background: rgba(46, 124, 246, 0.06); border-left: 3px solid var(--color-primary); }
.case-col h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}
.case-col-list { display: flex; flex-direction: column; gap: var(--space-3); }
.case-col-list li {
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--fs-sm);
  line-height: 1.55;
  color: var(--text-secondary);
}
.case-col-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.6em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

.case-study-result {
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: #04101f;
  margin-bottom: var(--space-8);
}
.case-study-result h4 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; margin-bottom: var(--space-2); opacity: 0.75; }
.case-study-result p { font-size: var(--fs-md); line-height: 1.6; font-weight: 500; }

.case-study-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.case-stat dt {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
}
.case-stat dd { font-size: var(--fs-xs); color: var(--text-muted); margin-top: var(--space-1); }

/* ---------- Contact ---------- */
.section-cta { background: var(--color-bg-alt); }
.contact-grid { display: flex; justify-content: center; }
.contact-copy { max-width: 56ch; text-align: center; }
.contact-copy .section-lead { margin-inline: auto; }
.contact-info { display: inline-flex; flex-direction: column; gap: var(--space-4); margin: var(--space-8) auto; text-align: left; }
.contact-info li { display: flex; align-items: center; gap: var(--space-3); color: var(--text-secondary); font-size: var(--fs-sm); }
.contact-info .icon { color: var(--color-primary-light); flex-shrink: 0; }
.contact-info a:hover { color: var(--text-primary); }

/* tel: links prefill a phone dialer — genuinely useful on a phone, but do
   nothing (or prompt for a random calling app) on a desktop, so the CTA
   only makes sense below the desktop breakpoint. */
@media (min-width: 769px) {
  .call-cta { display: none; }
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border); padding-top: var(--space-24); background: var(--color-bg); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-16);
}
.footer-brand p { color: var(--text-muted); font-size: var(--fs-sm); margin-top: var(--space-4); max-width: 32ch; }
.footer-col { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col h3 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: var(--space-1); }
.footer-col a { color: var(--text-secondary); font-size: var(--fs-sm); transition: color var(--transition-fast); }
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.footer-disclaimer { max-width: 60ch; }

/* Reveal defaults stay visible without JS; GSAP sets inline start-state at runtime only */
.reveal-item, .reveal-group .reveal-item, .hero-reveal, .hero-visual { opacity: 1; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 380px; margin-inline: auto; }
  .hero-title { font-size: var(--fs-3xl); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { max-width: 460px; margin-inline: auto; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    border-top: 1px solid var(--color-border);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { width: 100%; padding-block: var(--space-4); border-bottom: 1px solid var(--color-border); }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-sm { display: none; }

  .hero-title { font-size: var(--fs-2xl); }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }

  .section { padding-block: var(--space-16); }
  .process-steps { grid-template-columns: 1fr; }
  .case-study { padding: var(--space-6); }
  .case-study-header { flex-direction: column; align-items: flex-start; }
  .case-study-columns { grid-template-columns: 1fr; }
  .case-study-stats { gap: var(--space-6); }

  .case-study-toggle { display: inline-flex; }
  .case-study-details {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 420ms var(--ease-out-expo);
  }
  .case-study.is-open .case-study-details { grid-template-rows: 1fr; }
  .case-study-details-inner { overflow: hidden; }
  .accordion-trigger { gap: var(--space-4); padding-block: var(--space-4); align-items: flex-start; }
  .accordion-icon { width: 40px; height: 40px; }
  .accordion-chevron { margin-top: var(--space-2); }
  .accordion-list { grid-template-columns: 1fr; padding-left: var(--space-6); }
  .accordion-note { margin-left: var(--space-6); }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .hero-title { font-size: var(--fs-xl); }
  .btn-lg { padding: 0.8rem 1.3rem; font-size: var(--fs-sm); }
}