/* ==========================================================================
   AffiliNext — Global Stylesheet
   Affiliate Performance Marketing Network + SaaS Tracking Platform
   Structure:
     1.  Root variables
     2.  Reset & base
     3.  Layout utilities
     4.  Typography utilities
     5.  Buttons
     6.  Header / Navigation
     7.  Hero
     8.  Trust metrics (counters)
     9.  About
     10. Advertiser / Publisher solution grids
     11. SaaS platform (app window mockups)
     12. Core features grid
     13. Verticals & Traffic sources (chips)
     14. Workflow timeline
     15. Why choose us
     16. Contact / form
     17. Footer
     18. Animations & scroll reveal
     19. Misc components (badges, back-to-top)
     20. Media queries
   ========================================================================== */

/* 1. Root variables
   ========================================================================== */
:root {
  /* Brand surfaces */
  --navy-950: #05060b;
  --navy-900: #090c16;
  --navy-800: #10142477 ;
  --navy-800-solid: #101424;
  --navy-700: #171c38;
  --navy-600: #1f254a;

  /* Brand accents */
  --blue-500: #3b6dff;
  --blue-400: #5c8bff;
  --purple-500: #9b5cff;
  --purple-400: #b385ff;
  --cyan-400: #4fd8ff;
  --gradient-brand: linear-gradient(135deg, var(--blue-500) 0%, var(--purple-500) 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(59, 109, 255, 0.16) 0%, rgba(155, 92, 255, 0.16) 100%);

  /* Light section palette */
  --white: #ffffff;
  --slate-50: #f7f8fc;
  --slate-100: #eef0fa;
  --slate-200: #e2e5f5;
  --ink-900: #0c0e1a;
  --ink-700: #383c54;
  --ink-500: #6a6f88;
  --ink-400: #8a8fa6;

  /* Status */
  --green-500: #22c55e;
  --green-100: #dcfce7;
  --amber-500: #f59e0b;
  --amber-100: #fef3c7;
  --red-500: #ef4444;
  --red-100: #fee2e2;

  /* Glass */
  --glass-bg: linear-gradient(155deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-shadow: 0 20px 60px rgba(3, 5, 15, 0.55);

  /* Type */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  /* Layout */
  --container-w: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --header-h: 76px;

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

/* 2. Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--white);
  color: var(--ink-900);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4, p { margin: 0; }

.skip-link {
  position: absolute;
  left: 0;
  top: -60px;
  background: var(--blue-500);
  color: #fff;
  padding: 12px 20px;
  z-index: 10000;
  border-radius: 0 0 8px 0;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

::selection { background: var(--purple-500); color: #fff; }

@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;
    scroll-behavior: auto !important;
  }
}

/* 3. Layout utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 112px 0; position: relative; }
.section-tight { padding: 88px 0; }
.section-dark {
  background: radial-gradient(120% 140% at 50% 0%, var(--navy-800-solid) 0%, var(--navy-950) 60%);
  color: #fff;
}
.section-light { background: var(--white); }
.section-alt { background: var(--slate-50); }

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head.align-left { margin: 0 0 48px; text-align: left; }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: 12px; }
.gap-md { gap: 20px; }

/* 4. Typography utilities
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--blue-400);
  margin-bottom: 20px;
}
.section-light .eyebrow,
.section-alt .eyebrow {
  background: rgba(59, 109, 255, 0.08);
  border-color: rgba(59, 109, 255, 0.18);
  color: var(--blue-500);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 0 rgba(79, 216, 255, 0.6);
  animation: pulseDot 2s infinite;
}

h2.section-title {
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.08rem;
  color: var(--ink-500);
  line-height: 1.7;
}
.section-dark .section-subtitle { color: rgba(255,255,255,0.68); }

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 5. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 8px 24px rgba(91, 66, 255, 0.35), 0 0 0 1px rgba(255,255,255,0.06) inset;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(91, 66, 255, 0.5), 0 0 0 1px rgba(255,255,255,0.08) inset;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
}
.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.section-light .btn-outline,
.section-alt .btn-outline {
  color: var(--ink-900);
  border-color: var(--ink-900);
}
.section-light .btn-outline:hover,
.section-alt .btn-outline:hover {
  background: var(--ink-900);
  color: #fff;
}

.btn-sm { padding: 11px 20px; font-size: 0.88rem; }
.btn-block { width: 100%; }
.btn-icon { width: 18px; height: 18px; }

/* 6. Header / Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(5, 6, 11, 0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: height 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  height: 64px;
  background: rgba(5, 6, 11, 0.85);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.28rem;
  color: #fff;
  letter-spacing: -0.01em;
}
.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

/* Inline icon sprite instances (used via <use href="#icon-*">) */
.ico {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
}
.ico.ico-fill { fill: currentColor; stroke: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links > a,
.nav-links > .nav-item > .nav-link-trigger {
  font-size: 0.94rem;
  font-weight: 600;
  color: rgba(255,255,255,0.78);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-links > a::after,
.nav-links > .nav-item > .nav-link-trigger::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gradient-brand);
  transition: width 0.25s var(--ease);
}
.nav-links > a:hover,
.nav-links > a.is-active,
.nav-links > .nav-item > .nav-link-trigger:hover,
.nav-links > .nav-item > .nav-link-trigger.is-active { color: #fff; }
.nav-links > a:hover::after,
.nav-links > a.is-active::after,
.nav-links > .nav-item > .nav-link-trigger:hover::after,
.nav-links > .nav-item > .nav-link-trigger.is-active::after { width: 100%; }

.nav-item { display: flex; align-items: center; }
.nav-link-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.nav-chevron {
  opacity: 0.55;
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}
.nav-link-trigger:hover .nav-chevron { opacity: 0.9; }
.nav-item.is-open .nav-chevron,
.nav-link-trigger[aria-expanded="true"] .nav-chevron { transform: rotate(180deg); opacity: 0.9; }

.nav-cta { display: flex; align-items: center; gap: 12px; }

/* Mega menu (Advertisers / Publishers / Verticals categorized flyouts) */
.mega-menu {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  z-index: 998;
  background: rgba(8, 9, 17, 0.92);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 60px rgba(3, 5, 15, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
}
.nav-item.has-mega:hover .mega-menu,
.nav-item.has-mega:focus-within .mega-menu,
.mega-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.site-header.is-scrolled .mega-menu { top: 64px; }

.mega-menu__inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  padding: 40px 24px 44px;
}
.mega-menu__intro { padding-right: 8px; border-right: 1px solid rgba(255,255,255,0.08); }
.mega-menu__intro h3 {
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 10px;
}
.mega-menu__intro p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
  margin-bottom: 22px;
}
.mega-menu__all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue-400);
  transition: gap 0.2s var(--ease), color 0.2s ease;
}
.mega-menu__all svg { width: 14px; height: 14px; transition: transform 0.2s var(--ease); }
.mega-menu__all:hover { color: var(--cyan-400); gap: 11px; }

.mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  align-content: start;
}
.mega-menu__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background 0.18s ease;
}
.mega-menu__item:hover { background: rgba(255,255,255,0.06); }
.mega-menu__item.is-active { background: rgba(59, 109, 255, 0.12); }
.mega-menu__item .icon-badge { margin-bottom: 0; width: 36px; height: 36px; flex-shrink: 0; }
.mm-item-copy { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.mm-item-title { font-size: 0.9rem; font-weight: 700; color: #fff; }
.mm-item-desc {
  font-size: 0.79rem;
  line-height: 1.45;
  color: rgba(255,255,255,0.5);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mega-menu-backdrop {
  position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: rgba(3, 4, 9, 0.5);
  z-index: 997;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}
.mega-menu-backdrop.is-open { opacity: 1; visibility: visible; }

.hamburger {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: var(--header-h); left: 0; right: 0;
  bottom: 0;
  background: rgba(5, 6, 11, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-nav a {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  padding: 14px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav .nav-cta { margin-top: 20px; flex-direction: column; align-items: stretch; }

/* 7. Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 88px) 0 100px;
  overflow: hidden;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  z-index: 0;
}
.hero::before {
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(59,109,255,0.55), transparent 70%);
  top: -220px; left: -160px;
}
.hero::after {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(155,92,255,0.5), transparent 70%);
  bottom: -240px; right: -140px;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.hero-copy p.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-model-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.model-pill {
  padding: 7px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.16);
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.04);
}

/* Hero dashboard visual */
.hero-visual { position: relative; }

.dashboard-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 26px;
  backdrop-filter: blur(18px);
}

.dashboard-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.dashboard-card__head h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.live-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--green-500);
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}
.live-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-500);
  animation: pulseDot 1.8s infinite;
}

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.stat-tile {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.stat-tile .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 6px;
}
.stat-tile .value {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}
.stat-tile .delta {
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 4px;
}
.delta.up { color: var(--green-500); }
.delta.down { color: var(--red-500); }

.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 72px;
  padding: 10px 4px 0;
  border-top: 1px dashed rgba(255,255,255,0.1);
}
.mini-chart span {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--blue-400), var(--purple-500));
  animation: growBar 1.1s var(--ease) both;
  opacity: 0.9;
}

.float-widget {
  position: absolute;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  backdrop-filter: blur(14px);
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: floatY 5s ease-in-out infinite;
}
.float-widget .icon-badge { width: 30px; height: 30px; }
.float-widget .fw-label { font-size: 0.68rem; color: rgba(255,255,255,0.55); }
.float-widget .fw-value { font-size: 0.92rem; font-weight: 800; color: #fff; }

.widget-conversion { top: -22px; right: -18px; animation-delay: 0.2s; }
.widget-epc { bottom: 24px; left: -34px; animation-delay: 1s; }
.widget-fraud { bottom: -26px; right: 40px; animation-delay: 1.8s; }

/* 8. Trust metrics
   ========================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.metric-card {
  text-align: center;
  padding: 30px 16px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.metric-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.3); }
.metric-value {
  font-size: clamp(1.7rem, 2.6vw, 2.3rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.65);
  font-weight: 600;
}

/* 9. About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.about-copy p { color: var(--ink-500); font-size: 1.05rem; margin-bottom: 18px; }
.about-copy p:last-child { margin-bottom: 0; }
.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.model-tags span {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(59,109,255,0.08);
  color: var(--blue-500);
  border: 1px solid rgba(59,109,255,0.18);
}

.orbit-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(59,109,255,0.08), transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(59,109,255,0.25);
}
.orbit-ring.r1 { inset: 0; }
.orbit-ring.r2 { inset: 14%; border-color: rgba(155,92,255,0.25); }
.orbit-ring.r3 { inset: 28%; }
.orbit-core {
  position: relative;
  z-index: 2;
  width: 40%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 20px 50px rgba(91,66,255,0.4);
  text-align: center;
  padding: 12px;
}
.orbit-node {
  position: absolute;
  width: 74px; height: 74px;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  box-shadow: 0 12px 30px rgba(15,18,34,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  gap: 2px;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--ink-700);
  text-align: center;
  animation: floatY 6s ease-in-out infinite;
}
.orbit-node svg { width: 20px; height: 20px; color: var(--blue-500); }
.orbit-node.n1 { top: -6%; left: 10%; }
.orbit-node.n2 { top: 6%; right: -4%; animation-delay: 1s; }
.orbit-node.n3 { bottom: 4%; left: -6%; animation-delay: 2s; }
.orbit-node.n4 { bottom: -4%; right: 14%; animation-delay: 3s; }

/* 10. Solution grids (advertiser / publisher)
   ========================================================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.solution-card {
  padding: 30px 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--slate-200);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 44px rgba(15,18,34,0.1);
  border-color: transparent;
}
.section-dark .solution-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
}
.section-dark .solution-card:hover { box-shadow: 0 22px 50px rgba(0,0,0,0.4); }

.icon-badge {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--gradient-brand-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--blue-500);
}
.section-dark .icon-badge { color: var(--cyan-400); background: rgba(255,255,255,0.06); }
.icon-badge svg { width: 22px; height: 22px; }

.solution-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.solution-card p {
  font-size: 0.92rem;
  color: var(--ink-500);
}
.section-dark .solution-card p { color: rgba(255,255,255,0.65); }

.section-cta { text-align: center; margin-top: 44px; }

.prose { max-width: 760px; }
.prose p { color: var(--ink-500); font-size: 1.05rem; line-height: 1.75; margin-bottom: 18px; }
.prose p:last-child { margin-bottom: 0; }
.section-dark .prose p { color: rgba(255,255,255,0.7); }

/* 11. SaaS platform / app window mockups
   ========================================================================== */
.platform-intro {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.platform-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 26px;
}
.platform-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.78);
}
.platform-checklist svg { width: 18px; height: 18px; color: var(--green-500); flex-shrink: 0; }

.app-window {
  background: #0d1120;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}
.app-window__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.app-window__bar .app-dot { width: 10px; height: 10px; border-radius: 50%; }
.app-dot.red { background: #ff5f57; }
.app-dot.amber { background: #febc2e; }
.app-dot.green { background: #28c840; }
.app-window__bar span.title {
  margin-left: 8px;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.55);
  font-weight: 600;
}
.app-window__body { padding: 20px; }

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.mockup-grid .app-window.span-2 { grid-column: span 2; }

.table-mock { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.table-mock th {
  text-align: left;
  color: rgba(255,255,255,0.45);
  font-weight: 600;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0 10px 10px;
}
.table-mock td {
  padding: 10px;
  color: rgba(255,255,255,0.82);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.table-mock tr:hover td { background: rgba(255,255,255,0.03); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
}
.status-pill.approved { background: rgba(34,197,94,0.14); color: #4ade80; }
.status-pill.pending { background: rgba(245,158,11,0.14); color: #fbbf24; }
.status-pill.rejected { background: rgba(239,68,68,0.14); color: #f87171; }
.status-pill.paid { background: rgba(34,197,94,0.14); color: #4ade80; }

.panel-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.panel-row:last-child { border-bottom: none; }
.avatar-chip {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.78rem;
  flex-shrink: 0;
}
.panel-row .p-name { font-size: 0.84rem; font-weight: 700; color: #fff; }
.panel-row .p-meta { font-size: 0.72rem; color: rgba(255,255,255,0.5); }
.panel-row .p-right { margin-left: auto; text-align: right; }

.invoice-mock .invoice-head {
  display: flex; justify-content: space-between; margin-bottom: 16px;
  font-size: 0.82rem; color: rgba(255,255,255,0.6);
}
.invoice-line {
  display: flex; justify-content: space-between;
  padding: 9px 0; border-bottom: 1px dashed rgba(255,255,255,0.08);
  font-size: 0.82rem; color: rgba(255,255,255,0.78);
}
.invoice-total {
  display: flex; justify-content: space-between;
  padding-top: 14px; margin-top: 6px;
  font-size: 0.98rem; font-weight: 800; color: #fff;
}

/* 12. Features grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  padding: 26px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  background: var(--white);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(15,18,34,0.08); }
.feature-card h3 { font-size: 0.98rem; font-weight: 700; margin-bottom: 6px; }
.feature-card p { font-size: 0.86rem; color: var(--ink-500); }

/* 13. Verticals & traffic chips
   ========================================================================== */
.chip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.chip-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 26px 14px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.chip-card:hover { transform: translateY(-6px) scale(1.02); border-color: rgba(255,255,255,0.35); }
.chip-card span { font-size: 0.82rem; font-weight: 700; color: rgba(255,255,255,0.85); }
.chip-card .icon-badge { margin-bottom: 0; background: rgba(255,255,255,0.06); color: var(--cyan-400); }

/* 14. Workflow timeline
   ========================================================================== */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  counter-reset: step;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 27px; left: 4%; right: 4%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-500), var(--purple-500));
  opacity: 0.35;
}
.timeline-step {
  position: relative;
  text-align: center;
  padding-top: 8px;
}
.timeline-step .step-num {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--navy-900);
  border: 2px solid var(--blue-500);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  color: #fff;
  position: relative;
  z-index: 1;
}
.timeline-step h3 { font-size: 0.88rem; font-weight: 700; margin-bottom: 6px; color: #fff; }
.timeline-step p { font-size: 0.78rem; color: rgba(255,255,255,0.55); }

/* 15. Why choose us
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.why-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  background: var(--white);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.why-item:hover { transform: translateY(-4px); box-shadow: 0 18px 38px rgba(15,18,34,0.08); }
.why-item .icon-badge { margin-bottom: 0; flex-shrink: 0; }
.why-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.why-item p { font-size: 0.88rem; color: var(--ink-500); }

.cta-banner {
  margin-top: 56px;
  padding: 44px;
  border-radius: var(--radius-lg);
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(480px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.22), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.cta-banner:hover::before { opacity: 1; }
.cta-banner .cta-banner-copy { position: relative; z-index: 1; }
.cta-banner .cta-banner-actions { position: relative; z-index: 1; display: flex; gap: 12px; flex-wrap: wrap; }
.cta-banner h3 { font-size: 1.4rem; font-weight: 800; max-width: 560px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-top: 8px; max-width: 560px; }
.cta-banner.no-top-margin { margin-top: 0; }

/* 16. Contact / form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: flex-start;
}
.contact-info h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 14px; color: #fff; }
.contact-info p { color: rgba(255,255,255,0.68); margin-bottom: 26px; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
}
.contact-detail .icon-badge { margin-bottom: 0; width: 40px; height: 40px; }

.form-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(16px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.04);
  color: #fff;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-400);
  background: rgba(255,255,255,0.07);
}
.form-group select option { background: var(--navy-900); color: #fff; }
.form-group textarea { resize: vertical; min-height: 110px; }

.field-error {
  font-size: 0.76rem;
  color: #fb7185;
  margin-top: 6px;
  display: none;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: #fb7185; }
.form-group.has-error .field-error { display: block; }

.form-footer-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 16px;
  text-align: center;
}
.form-footer-note a { color: var(--blue-400); font-weight: 700; }

.form-alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  margin-bottom: 20px;
}
.form-alert.is-visible { display: flex; }
.form-alert.success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }
.form-alert.error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }

/* 17. Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.6);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 320px; margin-bottom: 20px; }
.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.85);
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 0.9rem; transition: color 0.2s ease; }
.footer-col ul li a:hover { color: #fff; }
.footer-address {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.footer-address svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 3px; color: rgba(255,255,255,0.4); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}
/* 18. Animations & scroll reveal
   ========================================================================== */
@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.55); }
  70% { box-shadow: 0 0 0 9px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes growBar {
  from { height: 0; opacity: 0; }
  to { opacity: 0.9; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { transition-delay: calc(var(--i, 0) * 70ms); }

/* 19. Misc components
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(91,66,255,0.4);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  border: none;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }
.back-to-top svg { width: 20px; height: 20px; }

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  border: none;
  margin: 0;
}

/* 19b. Scroll progress bar
   ========================================================================== */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-brand);
  box-shadow: 0 0 12px rgba(155,92,255,0.7);
  z-index: 1100;
  transition: width 0.1s linear;
}

/* 19c. Magnetic / glow buttons
   ========================================================================== */
.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(120px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.35), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.btn:hover::before { opacity: 1; }
.btn::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -60%;
  width: 40%;
  z-index: -1;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-18deg);
  transition: left 0.65s var(--ease);
}
.btn:hover::after { left: 130%; }
.btn-outline::before { background: radial-gradient(120px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.14), transparent 60%); }
.section-light .btn-outline::after,
.section-alt .btn-outline::after { background: linear-gradient(115deg, transparent, rgba(12,14,26,0.12), transparent); }

/* 19d. Breadcrumb
   ========================================================================== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 22px;
}
.breadcrumb a { color: rgba(255,255,255,0.7); font-weight: 600; transition: color 0.2s ease; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: rgba(255,255,255,0.9); font-weight: 700; }

/* 19e. Page hero (sub-page banner)
   ========================================================================== */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 72px;
  overflow: hidden;
}
.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  z-index: 0;
}
.page-hero::before {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(59,109,255,0.5), transparent 70%);
  top: -180px; left: -120px;
}
.page-hero::after {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(155,92,255,0.45), transparent 70%);
  top: -60px; right: -140px;
}
.page-hero .container { position: relative; z-index: 1; max-width: 860px; }
.page-hero-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--gradient-brand-soft);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  color: var(--cyan-400);
}
.page-hero-icon svg { width: 26px; height: 26px; }
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 18px;
}
.page-hero p.page-hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin-bottom: 30px;
}
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* 19f. Stat strip (proof points on solution/vertical pages)
   ========================================================================== */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat-strip .metric-card { padding: 24px 16px; }

/* 19g. Mini steps (condensed 3-step process)
   ========================================================================== */
.mini-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: mstep;
}
.mini-step {
  padding: 26px;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  background: var(--white);
  position: relative;
}
.mini-step .mstep-num {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-size: 0.92rem;
}
.mini-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.mini-step p { font-size: 0.88rem; color: var(--ink-500); }

/* 19h. Related / explore grid
   ========================================================================== */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.related-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.32); }
.related-card .icon-badge { margin-bottom: 0; flex-shrink: 0; }
.related-card .rc-copy { flex: 1; min-width: 0; }
.related-card h3 { font-size: 0.94rem; font-weight: 700; color: #fff; margin-bottom: 2px; }
.related-card p { font-size: 0.78rem; color: rgba(255,255,255,0.55); }
.related-card .rc-arrow { flex-shrink: 0; color: rgba(255,255,255,0.5); transition: transform 0.3s var(--ease), color 0.3s var(--ease); }
.related-card:hover .rc-arrow { transform: translateX(4px); color: #fff; }

.section-light .related-card,
.section-alt .related-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
}
.section-light .related-card h3,
.section-alt .related-card h3 { color: var(--ink-900); }
.section-light .related-card p,
.section-alt .related-card p { color: var(--ink-500); }

/* Clickable card wrapper (advertiser/publisher solution cards, vertical chips) */
a.solution-card, a.chip-card { text-decoration: none; }
.solution-card .sc-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-500);
}
.section-dark .solution-card .sc-arrow { color: var(--cyan-400); }
.solution-card .sc-arrow svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.solution-card:hover .sc-arrow svg { transform: translateX(4px); }

/* 19i. Page transitions
   ========================================================================== */
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
/* body is visible by default (no hidden-until-JS state) so the page never
   renders blank if the script fails to load; the class below only adds a
   cosmetic fade/slide-in on top of that default-visible state. */
body.page-enter-active {
  animation: pageFadeIn 0.45s var(--ease) both;
}
body.page-leaving {
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}
@media (prefers-reduced-motion: reduce) {
  body.page-enter-active { animation: none; }
  body.page-leaving { opacity: 1; transform: none; transition: none; }
}

/* 19j. 404 page
   ========================================================================== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 40px) 24px 60px;
}
.error-code {
  font-size: clamp(4rem, 14vw, 8rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 14px;
}

/* 20. Media queries
   ========================================================================== */
@media (max-width: 1180px) {
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .solutions-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .chip-grid { grid-template-columns: repeat(4, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .mega-menu__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; }
  .orbit-visual { margin-top: 40px; }
  .platform-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(4, 1fr); row-gap: 40px; }
  .timeline::before { display: none; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .mini-steps { grid-template-columns: 1fr; }
  .mega-menu__inner { grid-template-columns: 220px 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta.desktop-only { display: none; }
  .mega-menu-backdrop { display: none; }
}

@media (max-width: 860px) {
  .section { padding: 84px 0; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .chip-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .mockup-grid { grid-template-columns: 1fr; }
  .mockup-grid .app-window.span-2 { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .chip-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .stat-tiles { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr 1fr; }
}