/* ========================================
   0. SELF-HOSTED FONTS
   ======================================== */
/* Inter — cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/fonts/inter-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* Inter — latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Inter — latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Space Grotesk — latin-ext */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('/fonts/space-grotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Space Grotesk — latin */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('/fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ========================================
   1. RESET & BASE
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-accent-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-hover); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea { font: inherit; color: inherit; }

/* ========================================
   2. CUSTOM PROPERTIES
   ======================================== */
:root {
  --color-bg-primary:     #0B1120;
  --color-bg-secondary:   #111827;
  --color-bg-card:        #1A2332;
  --color-bg-elevated:    #243044;

  --color-text-primary:   #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-text-tertiary:  #64748B;

  --color-accent-primary: #06B6D4;
  --color-accent-hover:   #22D3EE;
  --color-accent-glow:    rgba(6, 182, 212, 0.15);
  --color-secondary:      #F97316;
  --color-secondary-soft: rgba(249, 115, 22, 0.12);

  --color-border:         rgba(148, 163, 184, 0.12);
  --color-border-hover:   rgba(148, 163, 184, 0.25);

  --gradient-hero:        linear-gradient(135deg, #0B1120 0%, #0F172A 50%, #1E1B4B 100%);
  --gradient-accent:      linear-gradient(135deg, #06B6D4, #3B82F6);
  --gradient-card-border: linear-gradient(135deg, rgba(6,182,212,0.3), rgba(249,115,22,0.2));

  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  --font-weight-normal:   400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;

  --line-height-tight:   1.2;
  --line-height-normal:  1.5;
  --line-height-relaxed: 1.75;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-8:  3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --space-16: 8rem;

  --container-max: 1200px;
  --border-radius-sm:  0.375rem;
  --border-radius-md:  0.75rem;
  --border-radius-lg:  1rem;
  --border-radius-xl:  1.5rem;

  --shadow-sm:   0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 6px rgba(0,0,0,0.3);
  --shadow-lg:   0 10px 25px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.15);

  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   500ms ease;
}

/* ========================================
   3. TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); font-weight: var(--font-weight-semibold); }
p  { color: var(--color-text-secondary); }

/* ========================================
   4. UTILITIES
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-md);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-base);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.45);
  color: #fff;
}

.btn--ghost {
  border: 1.5px solid var(--color-border-hover);
  color: var(--color-text-primary);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.btn--full { width: 100%; }

.section {
  padding: var(--space-16) 0;
  background-color: var(--color-bg-primary);
}

.section--alt {
  background-color: var(--color-bg-secondary);
}

.section--contact {
  background: var(--gradient-hero);
}

.section__header {
  margin-bottom: var(--space-10);
}

.section__number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-bg-elevated);
  line-height: 1;
  margin-bottom: var(--space-2);
  user-select: none;
}

.section__header h2 {
  max-width: 700px;
}

.section__lead {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin-bottom: var(--space-10);
  line-height: var(--line-height-relaxed);
}

/* ========================================
   5. NAVBAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) 0;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar--scrolled {
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
}

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

.navbar__logo { display: flex; align-items: center; gap: 0.5rem; }

.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}
.logo-dot { color: var(--color-accent-primary); }

.navbar__links {
  display: flex;
  gap: var(--space-5);
}

.navbar__links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}
.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  transform-origin: left;
}
.navbar__links a:hover,
.navbar__links a.active {
  color: var(--color-text-primary);
}
.navbar__links a:hover::after,
.navbar__links a.active::after {
  transform: scaleX(1);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: border-color var(--transition-fast);
}
.lang-switch:hover { border-color: var(--color-border-hover); }
.lang-switch__option { color: var(--color-text-tertiary); transition: color var(--transition-fast); }
.lang-switch__option.active { color: var(--color-accent-primary); }
.lang-switch__divider { color: var(--color-text-tertiary); }

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.navbar__burger span {
  display: block;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}
.navbar__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__burger.open span:nth-child(2) { opacity: 0; }
.navbar__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   6. HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}
.hero__bg::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  top: 10%;
  right: -10%;
  animation: floatBlob 20s ease-in-out infinite;
}
.hero__bg::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
  bottom: 10%;
  left: -5%;
  animation: floatBlob 25s ease-in-out infinite reverse;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(148, 163, 184, 0.03) 0px, rgba(148, 163, 184, 0.03) 1px, transparent 1px, transparent 80px),
    repeating-linear-gradient(90deg, rgba(148, 163, 184, 0.03) 0px, rgba(148, 163, 184, 0.03) 1px, transparent 1px, transparent 80px);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-16) var(--space-5);
}

.hero__badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-hover);
  border-radius: 999px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, var(--text-6xl));
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.hero__plus {
  display: inline-block;
  color: var(--color-accent-primary);
  margin: 0 var(--space-2);
  font-weight: var(--font-weight-normal);
}

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

.hero__subtitle {
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: var(--line-height-relaxed);
}

.hero__cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Hero emblem ── */
.hero__emblem {
  margin-bottom: var(--space-6);
  display: flex;
  justify-content: center;
  position: relative;
}

/* Radial halo — fades in at phase 4 (3.4s) */
.hero__emblem::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(224, 120, 64, 0.15) 0%,
    rgba(34, 211, 238, 0.10) 40%,
    transparent 70%
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(30px);
  pointer-events: none;
  opacity: 0;
  animation: haloFadeIn 0.8s ease-out 3.4s both;
  will-change: opacity;
}

/* SVG container — glow + scale at phase 4, then pulse */
.hero__emblem-svg {
  width: clamp(120px, 20vw, 180px);
  height: clamp(120px, 20vw, 180px);
  filter: none;
  transform: scale(1);
  animation:
    emblemIgnite 0.8s cubic-bezier(0.22, 1, 0.36, 1) 3.4s both,
    emblemPulse 6s ease-in-out 4.2s infinite;
  position: relative;
  z-index: 1;
  overflow: visible;
  will-change: transform, opacity, filter;
}

/*
 * Triangle animations — 3.4s total, 5 phases:
 *   0%  (0.0s) → invisible
 *  12%  (0.4s) → outline visible at rotated position
 *  29%  (1.0s) → hold outline
 *  40%  (1.4s) → cross-fade: stroke fading, fill appearing
 *  50%  (1.7s) → fully filled, matches navbar/footer opacity
 *  55%  (1.9s) → begin smooth rotation to final position
 * 100%  (3.4s) → final position
 *
 * Note: final state uses fill-opacity:1 + opacity:0.35/0.5
 * to match navbar & footer logos (not double-dimmed).
 */
.emblem-tri-orange {
  transform-origin: 9px 16px;
  animation: triOrangeEntry 3.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.emblem-tri-cyan {
  transform-origin: 23px 22.7px;
  animation: triCyanEntry 3.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/*
 * Line electrify — appears AFTER triangles settle (3.4s).
 * Each segment flickers in with cyan-white sparks,
 * staggered to create a traveling-spark effect.
 * Uses ease-out for smooth interpolation (not steps).
 * Final opacities: occluded=0.15, emerged=0.55, open=0.85
 */
.emblem-line {
  stroke-linecap: round;
  opacity: 0;
}
.emblem-line-1 {
  animation: electrifyVisible 0.6s ease-out 3.75s both;
}
.emblem-line-2 {
  animation: electrifyOccluded 0.6s ease-out 3.65s both;
}
.emblem-line-3 {
  animation: electrifyVisible 0.6s ease-out 3.55s both;
}
.emblem-line-4 {
  animation: electrifyOccluded 0.6s ease-out 3.5s both;
}
.emblem-line-5 {
  animation: electrifyVisible 0.6s ease-out 3.4s both;
}

/* Traveling light signal — moves RTL along the depth line after electrify completes.
 * Uses a sliding clipPath mask instead of stroke-dashoffset for GPU-accelerated
 * animation on Mobile Safari. The mask rect translates from right to left. */
.emblem-signal {
  opacity: 0;
  filter: drop-shadow(0 0 1.5px rgba(207, 250, 254, 0.8));
  animation: signalFadeIn 0.3s ease-out 4.4s both;
}
.emblem-signal-mask {
  transform: translateX(27px);
  animation: signalSlide 4s ease-in-out 4.4s infinite;
  will-change: transform;
}

/* ── Keyframes ── */

@keyframes triOrangeEntry {
  0% {
    opacity: 0;
    fill-opacity: 0;
    stroke-opacity: 0;
    transform: rotate(120deg);
  }
  12% {
    opacity: 1;
    fill-opacity: 0;
    stroke-opacity: 0.6;
    transform: rotate(120deg);
  }
  29% {
    opacity: 1;
    fill-opacity: 0;
    stroke-opacity: 0.6;
    transform: rotate(120deg);
  }
  40% {
    opacity: 0.7;
    fill-opacity: 0.5;
    stroke-opacity: 0.2;
    transform: rotate(120deg);
  }
  50% {
    opacity: 0.35;
    fill-opacity: 1;
    stroke-opacity: 0;
    transform: rotate(120deg);
  }
  55% {
    opacity: 0.35;
    fill-opacity: 1;
    stroke-opacity: 0;
    transform: rotate(120deg);
  }
  100% {
    opacity: 0.35;
    fill-opacity: 1;
    stroke-opacity: 0;
    transform: rotate(0deg);
  }
}

@keyframes triCyanEntry {
  0% {
    opacity: 0;
    fill-opacity: 0;
    stroke-opacity: 0;
    transform: rotate(-120deg);
  }
  12% {
    opacity: 1;
    fill-opacity: 0;
    stroke-opacity: 0.7;
    transform: rotate(-120deg);
  }
  29% {
    opacity: 1;
    fill-opacity: 0;
    stroke-opacity: 0.7;
    transform: rotate(-120deg);
  }
  40% {
    opacity: 0.75;
    fill-opacity: 0.5;
    stroke-opacity: 0.25;
    transform: rotate(-120deg);
  }
  50% {
    opacity: 0.5;
    fill-opacity: 1;
    stroke-opacity: 0;
    transform: rotate(-120deg);
  }
  55% {
    opacity: 0.5;
    fill-opacity: 1;
    stroke-opacity: 0;
    transform: rotate(-120deg);
  }
  100% {
    opacity: 0.5;
    fill-opacity: 1;
    stroke-opacity: 0;
    transform: rotate(0deg);
  }
}

/*
 * Electrify keyframes — smooth flickering with cyan-white sparks.
 * Uses ease-out for smooth interpolation across all frame rates.
 * Two variants: visible (open space) and occluded (behind a triangle).
 * RTL order: seg5(visible) → seg4(occluded) → seg3(visible) → seg2(occluded) → seg1(visible)
 */

/* For segments behind a triangle (occluded) — final opacity 0.30 */
@keyframes electrifyOccluded {
  0%   { opacity: 0;    stroke: #67E8F9; stroke-width: 0.8; }
  15%  { opacity: 0.6;  stroke: #67E8F9; stroke-width: 0.8; }
  30%  { opacity: 0.12; stroke: #A5F3FC; stroke-width: 0.5; }
  50%  { opacity: 0.4;  stroke: #67E8F9; stroke-width: 0.6; }
  70%  { opacity: 0.2;  stroke: #E2E8F0; stroke-width: 0.4; }
  100% { opacity: 0.30; stroke: #E2E8F0; stroke-width: 0.35; }
}

/* For visible open-space segments — final opacity 0.85 */
@keyframes electrifyVisible {
  0%   { opacity: 0;    stroke: #ECFEFF; stroke-width: 1.0; }
  10%  { opacity: 1;    stroke: #CFFAFE; stroke-width: 1.0; }
  22%  { opacity: 0.15; stroke: #67E8F9; stroke-width: 0.6; }
  40%  { opacity: 0.9;  stroke: #A5F3FC; stroke-width: 0.8; }
  60%  { opacity: 0.4;  stroke: #E2E8F0; stroke-width: 0.5; }
  100% { opacity: 0.85; stroke: #E2E8F0; stroke-width: 0.35; }
}

/* Signal traveling light — fade in once */
@keyframes signalFadeIn {
  from { opacity: 0; }
  to   { opacity: 0.9; }
}

/* Signal slide — clip mask travels from right end to left end, then pauses.
 * translateX goes from 27 (right end) to -5 (past left end). GPU-accelerated. */
@keyframes signalSlide {
  0%   { transform: translateX(27px); }
  50%  { transform: translateX(-5px); }
  100% { transform: translateX(-5px); }
}

/* Phase 4: glow + scale up to 1.2× */
@keyframes emblemIgnite {
  from {
    filter: drop-shadow(0 0 0 rgba(224, 120, 64, 0))
            drop-shadow(0 0 0 rgba(34, 211, 238, 0));
    transform: scale(1);
  }
  to {
    filter: drop-shadow(0 0 40px rgba(224, 120, 64, 0.3))
            drop-shadow(0 0 60px rgba(34, 211, 238, 0.25))
            drop-shadow(0 0 100px rgba(34, 211, 238, 0.1));
    transform: scale(1.2);
  }
}

/* Radial halo fade-in */
@keyframes haloFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Breathing glow loop — maintains 1.2× scale, static filter for GPU cache.
 * Opacity pulse creates the "breathing" effect without re-rasterizing filters. */
@keyframes emblemPulse {
  0%, 100% {
    opacity: 0.85;
    transform: scale(1.2);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   7. CARDS
   ======================================== */
.cards-grid {
  display: grid;
  gap: var(--space-5);
}
.cards-grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-normal);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  background: var(--color-accent-glow);
  color: var(--color-accent-primary);
  margin-bottom: var(--space-5);
}

.card h3 {
  margin-bottom: var(--space-3);
}

.card--ai {
  border-top: 2px solid var(--color-accent-primary);
}

/* Service cards */
.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.service-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.service-card h3 { margin-bottom: var(--space-3); }

/* Product cards */
.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}
.product-card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}
.product-card__tag--new {
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-accent-primary);
}
.product-card__tag--upgrade {
  background: rgba(139, 92, 246, 0.15);
  color: #A78BFA;
}
.product-card__tag--evolution {
  background: rgba(34, 197, 94, 0.15);
  color: #4ADE80;
}
.product-card__tag--holding {
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
}
.product-card h3 { margin-bottom: var(--space-3); font-size: var(--text-lg); }

/* Audience cards */
.audience-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent-primary);
  border-radius: var(--border-radius-md);
  padding: var(--space-5);
  transition: all var(--transition-normal);
}
.audience-card:hover {
  border-left-color: var(--color-accent-hover);
  background: var(--color-bg-elevated);
}
.audience-card__icon {
  color: var(--color-accent-primary);
  margin-bottom: var(--space-3);
}
.audience-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.audience-card p {
  font-size: var(--text-sm);
}

/* ========================================
   8. PILLARS
   ======================================== */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.pillar {
  padding: var(--space-6);
  border-left: 2px solid var(--color-accent-primary);
  position: relative;
}

.pillar__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-bg-elevated);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.pillar h3 { margin-bottom: var(--space-3); }

/* ========================================
   9. TEAM TOPOLOGIES
   ======================================== */
.topologies__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: stretch;
}
.topologies__teams,
.topologies__modes {
  display: flex;
  flex-direction: column;
}
.tt-modes {
  flex: 1;
}

.topologies__subheading {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-semibold);
}

.tt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.tt-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-5);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.tt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--tt-color);
}
.tt-card:hover {
  border-color: var(--tt-color);
  box-shadow: 0 0 20px color-mix(in srgb, var(--tt-color) 15%, transparent);
}

.tt-card__icon {
  margin-bottom: var(--space-3);
  opacity: 0.85;
  flex-shrink: 0;
}

.tt-card h4 {
  margin-bottom: var(--space-2);
  color: var(--tt-color);
  font-size: var(--text-base);
}
.tt-card p { font-size: var(--text-sm); }

.tt-modes {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tt-mode {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--tt-mode-color);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  flex: 1;
}
.tt-mode:hover {
  background: var(--color-bg-elevated);
}
.tt-mode__icon {
  flex-shrink: 0;
  opacity: 0.85;
  margin-top: 2px;
}
.tt-mode h4 { color: var(--color-text-primary); margin-bottom: var(--space-2); }
.tt-mode p { font-size: var(--text-sm); }

/* ========================================
   10. APPLICATIONS LIST
   ======================================== */
.apps-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.app-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}
.app-item:hover {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}

.app-item__number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-primary);
  min-width: 60px;
  line-height: 1;
}

.app-item__content h3 { margin-bottom: var(--space-2); }
.app-item__content p { font-size: var(--text-sm); }

/* ========================================
   11. AI TRANSFORMATION
   ======================================== */
.ai__callout {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-8);
}
.ai__callout p {
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  font-style: italic;
}

.ai__readiness {
  margin-top: var(--space-10);
}
.ai__readiness-inner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(59, 130, 246, 0.08));
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
  text-align: center;
}
.ai__readiness-inner h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ai__readiness-inner p {
  max-width: 700px;
  margin: 0 auto var(--space-6);
  line-height: var(--line-height-relaxed);
}

/* ========================================
   12. PROCESS CHAIN
   ======================================== */
.process-flow {
  margin-bottom: var(--space-8);
  position: relative;
  padding: var(--space-6) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.06), rgba(59, 130, 246, 0.03));
}

.process-flow__track {
  position: relative;
  margin-bottom: var(--space-6);
  height: 8px;
}

.process-flow__rail {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.25), rgba(59, 130, 246, 0.55), rgba(249, 115, 22, 0.45));
}

.process-flow__signal {
  position: absolute;
  top: -2px;
  left: 0;
  width: 72px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  filter: blur(1px);
  animation: processSignal 7s linear infinite;
}

.process-flow__steps {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-3);
}

.process-flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal);
}

.process-flow__step:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
  background: rgba(15, 23, 42, 0.45);
}

.process-flow__num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.08);
  border: 1.5px solid rgba(148, 163, 184, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
}

.process-flow__step h4 {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.process-flow__step p {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  line-height: 1.45;
}

.process-flow__step--key .process-flow__num {
  border-color: rgba(6, 182, 212, 0.7);
  color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.process-flow__step--final .process-flow__num {
  border-color: rgba(249, 115, 22, 0.8);
  color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.12);
}

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

.process-phase {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-5);
}

.process-phase__label {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  background: rgba(6, 182, 212, 0.12);
  margin-bottom: var(--space-3);
}

.process-phase h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.process-phase p {
  font-size: var(--text-sm);
  line-height: 1.6;
}

.process-outcome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  border: 1px solid rgba(6, 182, 212, 0.22);
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.08), rgba(249, 115, 22, 0.06));
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.process-outcome h3 {
  font-size: var(--text-2xl);
  white-space: nowrap;
}

.process-outcome__items {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.process-outcome__items p {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-sm);
  background: rgba(11, 17, 32, 0.45);
  border: 1px solid var(--color-border);
}

.process__summary {
  text-align: center;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  max-width: 700px;
  margin: 0 auto;
}

@keyframes processSignal {
  from { left: 0; }
  to { left: calc(100% - 72px); }
}

/* ========================================
   13. CONTACT
   ======================================== */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.contact__info h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.contact__info > p {
  font-size: var(--text-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}
.contact__link svg { flex-shrink: 0; }
.contact__link:hover { color: var(--color-accent-primary); }

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form__group { display: flex; flex-direction: column; gap: var(--space-2); }
.form__group label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form__group input,
.form__group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border-hover);
  padding: var(--space-3) 0;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition-normal);
  outline: none;
}
.form__group input:focus,
.form__group textarea:focus {
  border-bottom-color: var(--color-accent-primary);
  box-shadow: 0 1px 0 0 var(--color-accent-primary);
}

.form__group textarea { resize: vertical; min-height: 120px; }

.form-status {
  font-size: var(--text-sm);
  min-height: 1.5em;
}
.form-status--success { color: #22c55e; }
.form-status--error { color: #ef4444; }

/* ========================================
   14. FOOTER
   ======================================== */
.footer {
  padding: var(--space-8) 0;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

.footer__copy p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* ========================================
   15. ANIMATIONS
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: transform, opacity;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   16. MOBILE MENU OVERLAY
   ======================================== */
.mobile-overlay {
  display: none;
}
.mobile-overlay.open {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(11, 17, 32, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}
.mobile-overlay a {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
}
.mobile-overlay a:hover { color: var(--color-accent-primary); }

/* ========================================
   17. RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .navbar__links { display: none; }
  .navbar__burger { display: flex; }

  .topologies__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .contact__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .process-flow {
    padding: var(--space-5) var(--space-4);
  }
  .process-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    row-gap: var(--space-4);
  }
  .process-phases {
    grid-template-columns: 1fr;
  }
  .process-outcome {
    flex-direction: column;
    align-items: flex-start;
  }
  .process-outcome h3 {
    white-space: normal;
  }
}

@media (max-width: 768px) {
  :root {
    --space-16: 5rem;
  }

  h2 { font-size: var(--text-3xl); }

  .section__number { font-size: var(--text-5xl); }

  .cards-grid--3 {
    grid-template-columns: 1fr;
  }

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

  .process-flow__track {
    display: none;
  }
  .process-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
  .process-flow__step {
    align-items: flex-start;
    text-align: left;
  }
  .process-flow__num {
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
  }

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

  .app-item {
    gap: var(--space-4);
    padding: var(--space-4);
  }
  .app-item__number { font-size: var(--text-2xl); min-width: 45px; }

  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }

  .ai__readiness-inner {
    padding: var(--space-6);
  }

  .hero__scroll-indicator {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
  .hero__cta .btn { width: 100%; max-width: 280px; }
}

/* ========================================
   18. GLOWING SVG ILLUSTRATIONS
   ======================================== */
.section { position: relative; overflow: hidden; }

.section__illustration {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  contain: layout style paint;
  will-change: auto;
}
.section > .container { position: relative; z-index: 1; }

/* Hero — orbital rings */
.illust-hero {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  opacity: 0.3;
}
/* CSS filter replaces SVG feGaussianBlur — GPU-composited, Safari-safe */
.illust-hero .orbit {
  animation: orbitSpin 30s linear infinite;
  transform-origin: 350px 350px;
  filter: blur(1px) drop-shadow(0 0 6px rgba(6, 182, 212, 0.5));
  will-change: transform;
}
.illust-hero .orbit:nth-child(2) { animation-duration: 45s; animation-direction: reverse; }
.illust-hero .orbit:nth-child(3) { animation-duration: 60s; }
.illust-hero .orbit-core {
  filter: drop-shadow(0 0 12px rgba(6, 182, 212, 0.6));
}
.illust-hero .orbit-dot { animation: glowPulse 3s ease-in-out infinite; }
.illust-hero .orbit-dot:nth-child(even) { animation-delay: 1.5s; }

/* Problem — broken network */
.illust-problem {
  top: 50%;
  right: -40px;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  opacity: 0.25;
}
.illust-problem .node { animation: nodeFloat 6s ease-in-out infinite; }
.illust-problem .node:nth-child(odd) { animation-delay: -3s; }
.illust-problem .broken-edge { animation: glowPulse 2.5s ease-in-out infinite; }

/* Value — measurement dashboard */
.illust-value {
  top: 50%;
  left: -60px;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  opacity: 0.22;
}
.illust-value .gauge-ring { animation: orbitSpin 20s linear infinite; transform-origin: center; }
.illust-value .data-bar { animation: dataGrow 4s ease-in-out infinite alternate; }
.illust-value .data-bar:nth-child(2) { animation-delay: 0.5s; }
.illust-value .data-bar:nth-child(3) { animation-delay: 1s; }
.illust-value .data-bar:nth-child(4) { animation-delay: 1.5s; }

/* Team Topologies — topology diagram */
.illust-topologies {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  opacity: 0.22;
}
.illust-topologies .tt-shape { animation: nodeFloat 8s ease-in-out infinite; }
.illust-topologies .tt-shape:nth-child(2) { animation-delay: -2s; }
.illust-topologies .tt-shape:nth-child(3) { animation-delay: -4s; }
.illust-topologies .tt-shape:nth-child(4) { animation-delay: -6s; }
.illust-topologies .tt-link { animation: glowPulse 5s ease-in-out infinite; }

/* AI — neural mesh */
.illust-ai {
  top: 40%;
  right: -30px;
  transform: translateY(-50%);
  width: 520px;
  height: 420px;
  opacity: 0.3;
}
.illust-ai .neuron { animation: glowPulse 3s ease-in-out infinite; }
.illust-ai .neuron:nth-child(3n) { animation-delay: 1s; }
.illust-ai .neuron:nth-child(3n+1) { animation-delay: 2s; }
.illust-ai .core-pulse { animation: corePulse 4s ease-in-out infinite; transform-origin: center; }

/* Process — flow wave */
.illust-process {
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  opacity: 0.28;
}
.illust-process svg { width: 100%; height: 100%; }
.illust-process .wave-particle { animation: particleFlow 8s linear infinite; }
.illust-process .wave-particle:nth-child(2) { animation-delay: -2.7s; }
.illust-process .wave-particle:nth-child(3) { animation-delay: -5.3s; }

/* Services — circuit mesh */
.illust-services {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 650px;
  height: 650px;
  opacity: 0.2;
}
.illust-services .circuit-pulse { animation: glowPulse 3s ease-in-out infinite; }
.illust-services .circuit-pulse:nth-child(2n) { animation-delay: 1s; }
.illust-services .circuit-pulse:nth-child(3n) { animation-delay: 2s; }

/* Applications — radar sweep */
.illust-applications {
  top: 50%;
  right: -50px;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  opacity: 0.18;
}
.illust-applications .radar-beam { animation: radarSweep 8s linear infinite; transform-origin: 260px 260px; }
.illust-applications .radar-dot { animation: glowPulse 3s ease-in-out infinite; }
.illust-applications .radar-dot:nth-child(2n) { animation-delay: 0.8s; }
.illust-applications .radar-dot:nth-child(3n) { animation-delay: 1.6s; }

/* Products — modular grid */
.illust-products {
  top: 50%;
  left: -70px;
  transform: translateY(-50%);
  width: 560px;
  height: 560px;
  opacity: 0.17;
}
.illust-products .module-block { animation: moduleFloat 7s ease-in-out infinite; }
.illust-products .module-block:nth-child(2) { animation-delay: -1.2s; }
.illust-products .module-block:nth-child(3) { animation-delay: -2.4s; }
.illust-products .module-block:nth-child(4) { animation-delay: -3.6s; }
.illust-products .module-block:nth-child(5) { animation-delay: -4.8s; }
.illust-products .module-block:nth-child(6) { animation-delay: -6s; }
.illust-products .module-glow { animation: glowPulse 4s ease-in-out infinite; }

/* Audience — constellation */
.illust-audience {
  top: 50%;
  right: -40px;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  opacity: 0.18;
}
.illust-audience .org-shape { animation: nodeFloat 7s ease-in-out infinite; }
.illust-audience .org-shape:nth-child(odd) { animation-delay: -3.5s; }
.illust-audience .org-link { animation: glowPulse 5s ease-in-out infinite; }
.illust-audience .org-link:nth-child(2n) { animation-delay: 1.5s; }

/* Contact — ripple field */
.illust-contact {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  opacity: 0.18;
}
.illust-contact .ripple-ring { animation: rippleExpand 6s ease-out infinite; transform-origin: center; }
.illust-contact .ripple-ring:nth-child(2) { animation-delay: -1.5s; }
.illust-contact .ripple-ring:nth-child(3) { animation-delay: -3s; }
.illust-contact .ripple-ring:nth-child(4) { animation-delay: -4.5s; }
.illust-contact .contact-star { animation: twinkle 4s ease-in-out infinite; }
.illust-contact .contact-star:nth-child(2n) { animation-delay: 1s; }
.illust-contact .contact-star:nth-child(3n) { animation-delay: 2s; }

/* ── Ambient floating particles ── */
.section__particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  contain: layout style paint;
}
.particle {
  position: absolute;
  border-radius: 50%;
  animation: floatUp linear infinite;
  will-change: transform;
}
.particles-paused .particle {
  animation-play-state: paused;
}
@keyframes floatUp {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  8%   { opacity: 0.8; }
  50%  { transform: translateY(-50vh) translateX(var(--drift, 30px)); }
  92%  { opacity: 0.6; }
  100% { transform: translateY(calc(-100vh - 20px)) translateX(calc(var(--drift, 30px) * 0.5)); opacity: 0; }
}

/* Illustration keyframes */
@keyframes radarSweep {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes moduleFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-10px) scale(1.04); }
}
@keyframes rippleExpand {
  0%   { transform: scale(0.2); opacity: 0.7; }
  100% { transform: scale(1.3); opacity: 0; }
}
@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50%      { opacity: 1; transform: scale(1.2); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes nodeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes dataGrow {
  0% { transform: scaleY(0.6); }
  100% { transform: scaleY(1); }
}
@keyframes corePulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
}
@keyframes particleFlow {
  0% { transform: translateX(-5%); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(105%); opacity: 0; }
}

/* Illustrations responsive */
@media (max-width: 1024px) {
  .illust-hero { width: 500px; height: 500px; }
  .illust-problem, .illust-value { width: 300px; height: 300px; }
  .illust-topologies { width: 350px; height: 350px; }
  .illust-ai { width: 350px; height: 300px; }
  .illust-services { width: 450px; height: 450px; }
  .illust-applications { width: 350px; height: 350px; }
  .illust-products { width: 380px; height: 380px; }
  .illust-audience { width: 340px; height: 340px; }
  .illust-contact { width: 550px; height: 550px; }
}
@media (max-width: 768px) {
  .section__illustration { display: none; }
  .illust-hero { display: block; width: 350px; height: 350px; opacity: 0.15; }
  .illust-process { display: block; opacity: 0.12; }
  .illust-contact { display: block; width: 400px; height: 400px; opacity: 0.1; }
  .section__particles .particle { opacity: 0.5; }
}

/* ========================================
   19. REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}