/* =============================================
   EVOLUTIA DIGITAL - Premium CSS
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- Reset & Root Variables ---- */
:root {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0f;
  --bg-card: rgba(255,255,255,0.04);
  --bg-glass: rgba(255,255,255,0.06);
  --border-glass: rgba(255,255,255,0.1);
  --blue-electric: #0066ff;
  --blue-cyan: #00d4ff;
  --violet: #7b2fff;
  --violet-light: #a855f7;
  --white: #ffffff;
  --white-70: rgba(255,255,255,0.7);
  --white-40: rgba(255,255,255,0.4);
  --white-10: rgba(255,255,255,0.1);
  --gradient-main: linear-gradient(135deg, #0066ff, #00d4ff, #7b2fff);
  --gradient-blue: linear-gradient(135deg, #0066ff, #00d4ff);
  --gradient-violet: linear-gradient(135deg, #7b2fff, #0066ff);
  --glow-blue: 0 0 40px rgba(0,102,255,0.4);
  --glow-cyan: 0 0 40px rgba(0,212,255,0.4);
  --glow-violet: 0 0 40px rgba(123,47,255,0.4);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--white);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { font-family: var(--font); cursor: none; border: none; outline: none; background: none; }

/* ---- Custom Cursor ---- */
#cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background: var(--blue-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, opacity 0.3s;
  box-shadow: 0 0 20px var(--blue-cyan);
  mix-blend-mode: screen;
}

#cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0,212,255,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s, transform 0.15s ease-out, opacity 0.3s;
}

body:hover #cursor { opacity: 1; }

/* ---- Loader ---- */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99997;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden { opacity: 0; visibility: hidden; }

.loader-logo {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  animation: loaderPulse 1.5s ease infinite;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: var(--white-10);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: var(--gradient-blue);
  border-radius: 2px;
  animation: loaderFill 2s ease forwards;
  box-shadow: var(--glow-cyan);
}

@keyframes loaderFill { from { width: 0; } to { width: 100%; } }
@keyframes loaderPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(5,5,5,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 14px 0;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-main);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  box-shadow: var(--glow-blue);
}

.nav-logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo-text span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-70);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover { color: var(--white); background: var(--white-10); }

.nav-dropdown { position: relative; }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(10,10,20,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--white-70);
  transition: var(--transition-fast);
}

.nav-dropdown-item:hover { background: var(--white-10); color: var(--white); }

.nav-dropdown-item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

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

.btn-nav-secondary {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-70);
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid var(--border-glass);
  transition: var(--transition-fast);
}

.btn-nav-secondary:hover { color: var(--white); border-color: var(--white-40); }

.btn-nav-primary {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  padding: 8px 20px;
  background: var(--gradient-blue);
  border-radius: 8px;
  transition: var(--transition-fast);
  box-shadow: 0 0 20px rgba(0,102,255,0.3);
}

.btn-nav-primary:hover { box-shadow: 0 0 30px rgba(0,102,255,0.5); transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: none;
  padding: 8px;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ---- Sections Common ---- */
section { position: relative; overflow: hidden; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-cyan);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.section-title .gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--white-70);
  line-height: 1.7;
  max-width: 560px;
}

/* ---- Hero ---- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--blue-electric);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--violet);
  bottom: -50px;
  left: -50px;
  animation-delay: -4s;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--blue-cyan);
  top: 40%;
  left: 40%;
  animation-delay: -2s;
}

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

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,102,255,0.1);
  border: 1px solid rgba(0,102,255,0.25);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-cyan);
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeInUp 0.8s 0.3s ease forwards;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--blue-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--blue-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.5); } }

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeInUp 0.8s 0.5s ease forwards;
}

.hero-title .gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--white-70);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
  opacity: 0;
  animation: fadeInUp 0.8s 0.7s ease forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 60px;
  opacity: 0;
  animation: fadeInUp 0.8s 0.9s ease forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-blue);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(0,102,255,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(0,102,255,0.5); }
.btn-primary:hover::after { opacity: 1; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--white-40); transform: translateY(-2px); }

.btn-icon { font-size: 1rem; transition: transform 0.3s; }
.btn-primary:hover .btn-icon { transform: translateX(4px); }

.hero-stats {
  display: flex;
  gap: 32px;
  opacity: 0;
  animation: fadeInUp 0.8s 1.1s ease forwards;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--white-40);
  font-weight: 500;
}

.hero-stat + .hero-stat {
  padding-left: 32px;
  border-left: 1px solid var(--border-glass);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  opacity: 0;
  animation: fadeInRight 1s 0.6s ease forwards;
}

.hero-visual-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-cyan), transparent);
}

.hero-visual-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-visual-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero-visual-dot:nth-child(1) { background: #ff5f57; }
.hero-visual-dot:nth-child(2) { background: #ffbd2e; }
.hero-visual-dot:nth-child(3) { background: #28c840; }

.hero-code {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--white-70);
}

.code-keyword { color: #c792ea; }
.code-string { color: #c3e88d; }
.code-function { color: #82aaff; }
.code-number { color: #f78c6c; }
.code-comment { color: rgba(255,255,255,0.3); }
.code-class { color: #ffcb6b; }

.hero-visual-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.metric-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 14px;
}

.metric-label { font-size: 0.7rem; color: var(--white-40); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.1em; }
.metric-value { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.metric-value.green { color: #4ade80; }
.metric-value.blue { color: var(--blue-cyan); }
.metric-change { font-size: 0.7rem; color: #4ade80; margin-top: 2px; }

.hero-floating-badge {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  white-space: nowrap;
  animation: floatBadge 4s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.hero-floating-badge.badge-1 { top: -20px; right: -20px; animation-delay: 0s; }
.hero-floating-badge.badge-2 { bottom: 40px; left: -30px; animation-delay: -2s; }

@keyframes floatBadge { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.badge-icon { font-size: 1.2rem; }
.badge-text-label { color: var(--white-40); font-size: 0.7rem; }
.badge-text-value { font-weight: 700; color: var(--white); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- Clients Ticker ---- */
#clients {
  padding: 40px 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  background: rgba(255,255,255,0.02);
}

.clients-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-40);
  margin-bottom: 28px;
}

.clients-track-wrapper { overflow: hidden; position: relative; }

.clients-track-wrapper::before,
.clients-track-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 200px;
  z-index: 2;
}

.clients-track-wrapper::before { left: 0; background: linear-gradient(90deg, var(--bg-primary), transparent); }
.clients-track-wrapper::after { right: 0; background: linear-gradient(-90deg, var(--bg-primary), transparent); }

.clients-track {
  display: flex;
  gap: 60px;
  align-items: center;
  animation: ticker 30s linear infinite;
  width: max-content;
}

.clients-track:hover { animation-play-state: paused; }

@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.client-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.2);
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color 0.3s;
  flex-shrink: 0;
}

.client-item:hover { color: rgba(255,255,255,0.6); }
.client-icon { font-size: 1.3rem; }

/* ---- Expertises ---- */
#expertises {
  padding: 120px 0;
}

.expertises-header {
  text-align: center;
  margin-bottom: 80px;
}

.expertises-header .section-subtitle { margin: 0 auto; }

.expertises-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.expertise-card {
  background: var(--bg-primary);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: none;
}

.expertise-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.4s;
}

.expertise-card:hover::before { opacity: 0.05; }

.expertise-card:hover { background: rgba(255,255,255,0.03); }

.expertise-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.expertise-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.expertise-desc {
  font-size: 0.875rem;
  color: var(--white-40);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.expertise-arrow {
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--white-10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  opacity: 0;
  transform: translate(4px, 4px);
  transition: var(--transition);
}

.expertise-card:hover .expertise-arrow { opacity: 1; transform: translate(0,0); }

/* ---- Solutions IA ---- */
#solutions {
  padding: 120px 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0,102,255,0.04), transparent);
}

.solutions-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.solutions-visual {
  position: relative;
}

.solutions-main-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.solutions-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-main);
}

.ai-brain-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.ai-node {
  aspect-ratio: 1;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--border-glass);
  background: rgba(255,255,255,0.03);
  transition: var(--transition);
  animation: nodeFloat var(--duration, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

.ai-node.active {
  background: rgba(0,102,255,0.1);
  border-color: rgba(0,102,255,0.3);
  box-shadow: 0 0 20px rgba(0,102,255,0.2);
}

@keyframes nodeFloat { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

.solutions-list { list-style: none; }

.solutions-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-glass);
}

.solutions-list-item:last-child { border-bottom: none; }

.solutions-list-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.solutions-list-title { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.solutions-list-desc { font-size: 0.875rem; color: var(--white-40); line-height: 1.5; }

/* ---- Why Us ---- */
#why-us {
  padding: 120px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.why-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity 0.4s;
}

.why-card:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-4px); }
.why-card:hover::before { opacity: 1; }
.why-card:nth-child(1)::before { background: var(--gradient-blue); }
.why-card:nth-child(2)::before { background: var(--gradient-violet); }
.why-card:nth-child(3)::before { background: linear-gradient(90deg, #00d4ff, #7b2fff); }
.why-card:nth-child(4)::before { background: var(--gradient-main); }
.why-card:nth-child(5)::before { background: var(--gradient-blue); }
.why-card:nth-child(6)::before { background: var(--gradient-violet); }

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.why-title { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px; }
.why-desc { font-size: 0.875rem; color: var(--white-70); line-height: 1.65; }

/* ---- Stats ---- */
#stats {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(0,102,255,0.04), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.stat-item {
  background: var(--bg-primary);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.stat-item:hover { background: rgba(255,255,255,0.02); }

.stat-value {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-size: 2rem;
  font-weight: 900;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--white-40);
  font-weight: 500;
}

/* ---- Technologies ---- */
#technologies {
  padding: 120px 0;
}

.tech-categories {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tech-tab {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-40);
  border: 1px solid transparent;
  transition: var(--transition-fast);
  cursor: none;
}

.tech-tab:hover { color: var(--white); border-color: var(--border-glass); }
.tech-tab.active { color: var(--white); background: var(--white-10); border-color: var(--border-glass); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.tech-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  cursor: none;
}

.tech-item:hover { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.06); transform: translateY(-3px); }

.tech-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.tech-name { font-size: 0.8rem; font-weight: 500; color: var(--white-70); text-align: center; }

/* ---- Portfolio ---- */
#portfolio {
  padding: 120px 0;
  background: radial-gradient(ellipse 60% 60% at 80% 50%, rgba(123,47,255,0.05), transparent);
}

.portfolio-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.portfolio-filter {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-40);
  border: 1px solid transparent;
  transition: var(--transition-fast);
  cursor: none;
}

.portfolio-filter:hover { color: var(--white); border-color: var(--border-glass); }
.portfolio-filter.active { color: var(--white); background: rgba(0,102,255,0.15); border-color: rgba(0,102,255,0.3); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: none;
}

.portfolio-card:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-4px); }

.portfolio-card-img {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-secondary), rgba(0,102,255,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.portfolio-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0.05;
}

.portfolio-card-body { padding: 24px; }
.portfolio-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-cyan);
  background: rgba(0,212,255,0.1);
  border-radius: 4px;
  padding: 3px 8px;
  margin-bottom: 12px;
}
.portfolio-card-title { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.portfolio-card-desc { font-size: 0.875rem; color: var(--white-40); line-height: 1.6; }

.portfolio-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border-glass);
}

.portfolio-tech-stack { display: flex; gap: 6px; }
.portfolio-tech-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--white-10);
  color: var(--white-70);
}

.portfolio-link {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--white-10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}
.portfolio-link:hover { background: rgba(0,102,255,0.2); }

/* ---- Process ---- */
#process {
  padding: 120px 0;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 80px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-electric), var(--blue-cyan), var(--violet), transparent);
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.process-step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.process-step:hover .process-step-num {
  border-color: var(--blue-cyan);
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
  background: rgba(0,212,255,0.05);
}

.process-step-num span { background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.process-step-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; }
.process-step-desc { font-size: 0.8rem; color: var(--white-40); line-height: 1.5; }

/* ---- Testimonials ---- */
#testimonials {
  padding: 120px 0;
  background: linear-gradient(180deg, transparent, rgba(0,102,255,0.03), transparent);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.testimonial-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.testimonial-card:hover { border-color: rgba(255,255,255,0.12); transform: translateY(-3px); }

.testimonial-quote {
  font-size: 2.5rem;
  color: var(--blue-cyan);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.4;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--white-70);
  line-height: 1.75;
  margin-bottom: 24px;
}

.testimonial-stars { display: flex; gap: 4px; margin-bottom: 20px; }
.star { color: #fbbf24; font-size: 0.9rem; }

.testimonial-author { display: flex; align-items: center; gap: 14px; }

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.testimonial-name { font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; }
.testimonial-role { font-size: 0.8rem; color: var(--white-40); }

/* ---- FAQ ---- */
#faq {
  padding: 120px 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
  margin-top: 64px;
}

.faq-items { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.active { border-color: rgba(0,102,255,0.3); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  text-align: left;
  gap: 16px;
  cursor: none;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.faq-item.active .faq-icon { border-color: var(--blue-cyan); color: var(--blue-cyan); transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}

.faq-item.active .faq-answer { max-height: 300px; }

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.875rem;
  color: var(--white-70);
  line-height: 1.7;
}

/* ---- CTA ---- */
#cta {
  padding: 120px 0;
}

.cta-card {
  background: linear-gradient(135deg, rgba(0,102,255,0.12), rgba(123,47,255,0.08), rgba(0,212,255,0.05));
  border: 1px solid rgba(0,102,255,0.2);
  border-radius: 32px;
  padding: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-cyan), var(--violet), transparent);
}

.cta-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--blue-electric);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
  position: relative;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--white-70);
  max-width: 500px;
  margin: 0 auto 40px;
  line-height: 1.7;
  position: relative;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

.cta-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.cta-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--white-40);
}

.cta-trust-item svg, .cta-trust-icon { color: var(--blue-cyan); font-size: 1rem; }

/* ---- Footer ---- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--white-40);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 280px;
}

.footer-social { display: flex; gap: 10px; }

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--white-10);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.social-link:hover { background: rgba(0,102,255,0.15); border-color: rgba(0,102,255,0.3); }

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }

.footer-link {
  font-size: 0.875rem;
  color: var(--white-40);
  transition: var(--transition-fast);
}

.footer-link:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright { font-size: 0.8rem; color: var(--white-40); }

.footer-legal { display: flex; gap: 20px; }
.footer-legal-link { font-size: 0.8rem; color: var(--white-40); transition: var(--transition-fast); }
.footer-legal-link:hover { color: var(--white); }

.footer-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--white-40);
}

.footer-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 6px #4ade80;
  animation: pulse 2s infinite;
}

/* ---- Color Utils ---- */
.bg-blue { background: rgba(0,102,255,0.15); }
.bg-cyan { background: rgba(0,212,255,0.1); }
.bg-violet { background: rgba(123,47,255,0.15); }
.bg-green { background: rgba(74,222,128,0.1); }
.bg-orange { background: rgba(251,146,60,0.1); }
.bg-pink { background: rgba(236,72,153,0.1); }

.text-blue { color: var(--blue-electric); }
.text-cyan { color: var(--blue-cyan); }
.text-violet { color: var(--violet-light); }
.text-green { color: #4ade80; }

/* ---- Mobile Nav ---- */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: rgba(5,5,5,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}

.nav-mobile.open { transform: translateX(0); }

.nav-mobile-link {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white-70);
  padding: 12px 24px;
  border-radius: 12px;
  transition: var(--transition-fast);
}

.nav-mobile-link:hover { color: var(--white); background: var(--white-10); }

.nav-mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--white-10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: none;
}

/* ---- Back to Top ---- */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-blue);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: none;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,102,255,0.4);
}

#back-to-top.visible { opacity: 1; visibility: visible; }
#back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,102,255,0.5); }

/* ---- Cookie Banner ---- */
#cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 480px;
  background: rgba(10,10,20,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  z-index: 500;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: translateY(120%);
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}

#cookie-banner.show { transform: translateY(0); }

.cookie-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.cookie-text { font-size: 0.8rem; color: var(--white-40); line-height: 1.6; margin-bottom: 16px; }
.cookie-actions { display: flex; gap: 10px; }

.btn-cookie-accept {
  flex: 1;
  padding: 10px;
  background: var(--gradient-blue);
  color: var(--white);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: none;
  text-align: center;
}

.btn-cookie-decline {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border-glass);
  color: var(--white-70);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: none;
  text-align: center;
}

/* ---- Responsive ---- */
@media (max-width: 1200px) {
  .expertises-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-grid { grid-template-columns: repeat(5, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { display: none; }
  .solutions-layout { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .process-steps::before { display: none; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-menu, .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
  .expertises-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 20px; }
  .cta-card { padding: 48px 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .expertises-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ---- Selection ---- */
::selection { background: rgba(0,102,255,0.3); color: var(--white); }