/* =============================================
   SILICODE INNOVATION — Design System
   Neumorphism Dark Theme
   ============================================= */

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

/* ─── CSS Custom Properties ─── */
:root {
  /* Brand Colors — Vibrant as in reference */
  --brand-blue:        #0044FF;
  --brand-purple:      #6A00FF;
  --brand-red:         #FF1500;
  --brand-orange:      #FF6200;
  --brand-orange-hot:  #FF8C00;

  /* Gradient stops */
  --grad-start:  #0044FF;
  --grad-mid1:   #6A00FF;
  --grad-mid2:   #FF1500;
  --grad-end:    #FF6200;

  --gradient: linear-gradient(135deg, var(--grad-start) 0%, var(--grad-mid1) 35%, var(--grad-mid2) 65%, var(--grad-end) 100%);
  --gradient-h: linear-gradient(90deg, var(--grad-start) 0%, var(--grad-mid1) 35%, var(--grad-mid2) 65%, var(--grad-end) 100%);
  --gradient-text: linear-gradient(135deg, #3366FF 0%, #8833FF 40%, #FF3333 70%, #FF8C00 100%);

  /* Neumorphism Base - Much Darker for contrast */
  --neu-bg:           #05050A;
  --neu-bg-elevated:  #0A0A12;
  --neu-bg-deep:      #020205;

  --neu-shadow-dark:  #000000;
  --neu-shadow-light: #151522;

  --neu-border:       rgba(255,255,255,0.04);
  --neu-border-glow:  rgba(0, 68, 255, 0.4);

  /* Text */
  --text-primary:   #F0F0FF;
  --text-secondary: #A0A0C0;
  --text-muted:     #606080;
  --text-accent:    #E85D04;

  /* Neumorphic Shadows */
  --shadow-neu-flat:    5px 5px 15px var(--neu-shadow-dark), -5px -5px 15px var(--neu-shadow-light);
  --shadow-neu-pressed: inset 3px 3px 10px var(--neu-shadow-dark), inset -3px -3px 10px var(--neu-shadow-light);
  --shadow-neu-raised:  8px 8px 24px var(--neu-shadow-dark), -8px -8px 24px var(--neu-shadow-light);
  --shadow-neu-deep:    12px 12px 35px var(--neu-shadow-dark), -12px -12px 35px var(--neu-shadow-light);

  /* Glow effects */
  --glow-blue:   0 0 30px rgba(74, 108, 247, 0.35);
  --glow-orange: 0 0 30px rgba(232, 93, 4, 0.35);
  --glow-purple: 0 0 30px rgba(123, 47, 190, 0.35);

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border radius */
  --r-sm:   8px;
  --r-md:   16px;
  --r-lg:   24px;
  --r-xl:   32px;
  --r-full: 9999px;

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

/* ─── Light Theme Overrides ─── */
[data-theme="light"] {
  --neu-bg:           #F2F2F7;
  --neu-bg-elevated:  #FFFFFF;
  --neu-bg-deep:      #E8E8EE;

  --neu-shadow-dark:  #D1D1D8;
  --neu-shadow-light: #FFFFFF;

  --neu-border:       rgba(0,0,0,0.05);

  --text-primary:   #1A1A24;
  --text-secondary: #4A4A5A;
  --text-muted:     #808090;

  --glow-blue:   0 0 30px rgba(0, 68, 255, 0.2);
  --glow-orange: 0 0 30px rgba(255, 98, 0, 0.2);
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--neu-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(74, 108, 247, 0.4);
  color: #fff;
}

/* Custom scrollbar */
@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--neu-bg-deep); }
  ::-webkit-scrollbar-thumb { background: var(--brand-purple); border-radius: 3px; }
}

scrollbar-color: var(--brand-purple) var(--neu-bg-deep);
scrollbar-width: thin;

/* ─── Custom Cursor Glow ─── */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 108, 247, 0.15) 0%, transparent 60%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: screen;
  transition: opacity 0.3s ease;
  opacity: 0; /* Hidden initially, shown via JS */
}

/* ─── Utility Classes ─── */
.container {
  max-width: 1280px;
  width: 100%;          /* Fix: ensures centering inside flex contexts */
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ─── Neumorphic Components ─── */
.neu-card {
  background: var(--neu-bg-elevated);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-neu-raised);
  border: 1px solid var(--neu-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.neu-card:hover {
  transform: translateY(-4px);
  box-shadow: 14px 14px 40px var(--neu-shadow-dark), -14px -14px 40px var(--neu-shadow-light);
}

.neu-inset {
  background: var(--neu-bg-deep);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-neu-pressed);
}

.neu-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.85rem 2rem;
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.neu-btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 4px 4px 15px rgba(74,108,247,0.4), -2px -2px 10px rgba(232,93,4,0.2);
}

.neu-btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 6px 10px 25px rgba(74,108,247,0.5), -2px -2px 15px rgba(232,93,4,0.3);
}

.neu-btn-ghost {
  background: var(--neu-bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--neu-border);
  box-shadow: var(--shadow-neu-flat);
}

.neu-btn-ghost:hover {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-neu-flat), var(--glow-blue);
  color: #fff;
  transform: translateY(-2px);
}

/* ─── Particle Canvas ─── */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
  display: block;
  /* width/height set dynamically by JS */
}

/* ─── Section Labels ─── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1.2rem;
  background: var(--neu-bg-deep);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-neu-pressed);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--neu-border);
  margin-bottom: var(--space-lg);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

/* ─── NAVIGATION ─── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

#navbar.scrolled {
  background: rgba(21, 21, 31, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neu-border);
  padding: 0.75rem 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(74,108,247,0.55)) drop-shadow(0 0 4px rgba(232,93,4,0.3));
  transition: filter var(--transition-normal);
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 16px rgba(74,108,247,0.8)) drop-shadow(0 0 8px rgba(232,93,4,0.5));
}

.nav-logo-wordmark {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.4));
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--r-sm);
  transition: all var(--transition-fast);
  letter-spacing: 0.01em;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(74, 108, 247, 0.1);
}

.nav-cta {
  margin-left: var(--space-md);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--neu-border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 1rem;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: transparent;
  box-shadow: var(--glow-blue);
  border-color: var(--brand-blue);
  color: var(--brand-orange);
}

.theme-toggle .moon-icon { display: none; }
[data-theme="light"] .theme-toggle .sun-icon { display: none; }
[data-theme="light"] .theme-toggle .moon-icon { display: block; }

/* ─── HERO SECTION ─── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('hero_bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(74,108,247,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(232,93,4,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 50% 100%, rgba(123,47,190,0.15) 0%, transparent 50%);
  z-index: 1;
}

/* Animated grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(74,108,247,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,108,247,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(21,21,31,0.8);
  border: 1px solid rgba(74,108,247,0.3);
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand-blue);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  box-shadow: var(--glow-blue);
  animation: fadeInDown 0.8s ease both;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-blue);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 900;
  line-height: 1.07;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s 0.1s ease both;
}

.hero-title .line-muted {
  color: var(--text-muted);
  display: block;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 650px;
  margin: 0 auto var(--space-2xl) auto;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-stat {
  text-align: left;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* Hero floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite;
  z-index: 1;
  pointer-events: none;
}

.hero-orb-1 {
  width: 400px; height: 400px;
  background: rgba(74,108,247,0.12);
  top: 5%; right: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 300px; height: 300px;
  background: rgba(232,93,4,0.1);
  bottom: 10%; right: 10%;
  animation-delay: 3s;
}

.hero-orb-3 {
  width: 200px; height: 200px;
  background: rgba(123,47,190,0.1);
  top: 40%; right: 25%;
  animation-delay: 5s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-20px, -30px) scale(1.05); }
  66% { transform: translate(15px, 20px) scale(0.95); }
}

/* ─── SERVICES SECTION ─── */
#services {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0; height: 3px;
  background: var(--gradient);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover::before { opacity: 1; }

.service-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--r-md);
  background: var(--neu-bg-deep);
  box-shadow: var(--shadow-neu-pressed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon-wrap {
  box-shadow: var(--glow-blue), var(--shadow-neu-pressed);
}

.service-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-sm);
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.65rem;
  background: var(--neu-bg-deep);
  border: 1px solid var(--neu-border);
  border-radius: var(--r-full);
  color: var(--text-muted);
  box-shadow: var(--shadow-neu-pressed);
}

.service-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: var(--space-sm);
  cursor: pointer;
  transition: gap var(--transition-fast);
}

.service-arrow:hover { gap: 0.7rem; }

.service-arrow svg {
  flex-shrink: 0;
  stroke: var(--brand-orange);
}

/* Featured service card — full width */
.service-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: var(--space-2xl);
  padding: 3rem;
  background: linear-gradient(135deg, rgba(74,108,247,0.08) 0%, rgba(123,47,190,0.08) 50%, rgba(232,93,4,0.08) 100%);
  border: 1px solid rgba(74,108,247,0.2);
}

.featured-content { flex: 1; }
.featured-visual {
  flex-shrink: 0;
  width: 300px;
  height: 200px;
  background: var(--neu-bg-deep);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-neu-pressed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.featured-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0.08;
}

/* AI Nodes animation */
.ai-nodes {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gradient);
}

.ai-node::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--brand-blue);
  animation: spin 2s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.ai-node-1 { top: 30%; left: 20%; animation: node-float 3s 0s ease-in-out infinite; }
.ai-node-2 { top: 20%; right: 25%; animation: node-float 3s 0.5s ease-in-out infinite; }
.ai-node-3 { bottom: 30%; left: 30%; animation: node-float 3s 1s ease-in-out infinite; }
.ai-node-4 { bottom: 20%; right: 20%; animation: node-float 3s 1.5s ease-in-out infinite; }
.ai-node-center {
  width: 24px; height: 24px;
  animation: node-float 3s 0.75s ease-in-out infinite;
}

.ai-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(74,108,247,0.5), transparent);
  animation: ai-line-pulse 2s ease-in-out infinite;
}

@keyframes ai-line-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

@keyframes node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ─── ABOUT / WHY CHOOSE US ─── */
#about {
  padding: var(--space-3xl) 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-main-card {
  padding: 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-logo-display {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-lg);
  position: relative;
}

.about-logo-display img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(74,108,247,0.5));
  animation: logo-float 4s ease-in-out infinite;
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0) scale(1); filter: drop-shadow(0 0 20px rgba(74,108,247,0.5)); }
  50% { transform: translateY(-8px) scale(1.02); filter: drop-shadow(0 0 30px rgba(232,93,4,0.5)); }
}

.about-metric-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.metric-card {
  padding: 1.5rem;
  background: var(--neu-bg);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-neu-flat);
  border: 1px solid var(--neu-border);
  text-align: center;
  transition: all var(--transition-normal);
}

.metric-card:hover {
  box-shadow: var(--shadow-neu-raised), var(--glow-blue);
  transform: translateY(-3px);
}

.metric-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.about-content {}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.about-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: 1rem 1.25rem;
  background: var(--neu-bg-deep);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-neu-pressed);
  border: 1px solid var(--neu-border);
  transition: all var(--transition-normal);
}

.about-feature:hover {
  border-color: rgba(74,108,247,0.3);
  box-shadow: var(--shadow-neu-pressed), var(--glow-blue);
}

.about-feature-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-feature-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.about-feature-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
}

/* ─── PROCESS SECTION ─── */
#process {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, transparent 0%, rgba(74,108,247,0.03) 50%, transparent 100%);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
  margin-top: var(--space-2xl);
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 30px);
  right: calc(12.5% + 30px);
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-purple), var(--brand-red), var(--brand-orange));
  border-radius: 2px;
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem 2rem;
}

.process-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--neu-bg-elevated);
  box-shadow: var(--shadow-neu-raised);
  border: 2px solid var(--neu-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 auto var(--space-lg);
  position: relative;
}

.process-num-bg {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--neu-bg-elevated);
  box-shadow: var(--shadow-neu-raised);
  z-index: -1;
}

.process-step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ─── TECH STACK SECTION ─── */
#tech {
  padding: var(--space-3xl) 0;
}

.tech-marquee-wrap {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
  margin: var(--space-2xl) 0;
}

.tech-marquee {
  display: flex;
  gap: var(--space-lg);
  animation: marquee 25s linear infinite;
  width: max-content;
}

.tech-marquee:hover { animation-play-state: paused; }

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

.tech-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  background: var(--neu-bg-elevated);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-neu-flat);
  border: 1px solid var(--neu-border);
  white-space: nowrap;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.tech-pill:hover {
  color: var(--text-primary);
  border-color: rgba(74,108,247,0.3);
  box-shadow: var(--shadow-neu-raised), var(--glow-blue);
}

.tech-icon { font-size: 1.1rem; }

/* ─── TESTIMONIALS ─── */
#testimonials {
  padding: var(--space-3xl) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  color: var(--brand-orange-hot);
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex-grow: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--neu-border);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--glow-blue);
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.author-role {
  font-size: 0.77rem;
  color: var(--text-muted);
}

/* ─── CTA SECTION ─── */
#cta {
  padding: var(--space-3xl) 0;
}

.cta-card {
  padding: 5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(74,108,247,0.1) 0%, rgba(123,47,190,0.1) 50%, rgba(232,93,4,0.1) 100%);
  border: 1px solid rgba(74,108,247,0.2);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(74,108,247,0.05) 60deg, transparent 120deg);
  animation: cta-rotate 15s linear infinite;
}

@keyframes cta-rotate { to { transform: rotate(360deg); } }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.cta-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-2xl);
}

.cta-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-input {
  flex: 1;
  padding: 0.85rem 1.5rem;
  border-radius: var(--r-full);
  background: var(--neu-bg);
  border: 1px solid var(--neu-border);
  box-shadow: var(--shadow-neu-pressed);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-normal);
}

.cta-input::placeholder { color: var(--text-muted); }

.cta-input:focus {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-neu-pressed), var(--glow-blue);
}

/* ─── FOOTER ─── */
#footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--neu-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
  text-decoration: none;
}

.footer-logo-img { height: 36px; width: auto; }

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--neu-bg-elevated);
  box-shadow: var(--shadow-neu-flat);
  border: 1px solid var(--neu-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: var(--text-muted);
}

.social-btn:hover {
  color: var(--text-primary);
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-neu-raised), var(--glow-blue);
  transform: translateY(-3px);
}

.footer-col-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--neu-border);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-copy strong {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal a:hover { color: var(--text-secondary); }

/* ─── MOBILE MENU ─── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(15,15,24,0.98);
  backdrop-filter: blur(20px);
  padding: 6rem 2rem 2rem;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-menu.open { display: flex; }

.mobile-link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 1rem;
  border-bottom: 1px solid var(--neu-border);
  transition: all var(--transition-fast);
}

.mobile-link:hover { color: var(--text-primary); padding-left: 1.5rem; }

/* ─── SCROLL REVEAL ANIMATION ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.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; }

/* ─── KEYFRAME ANIMATIONS ─── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.featured { flex-direction: column; }
  .featured-visual { width: 100%; }
  .about-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-md); }
  .nav-menu, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: var(--space-xl); flex-wrap: wrap; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .cta-card { padding: 3rem 1.5rem; }
  .cta-form { flex-direction: column; }
  .process-steps { grid-template-columns: 1fr; }
  .about-metric-cards { grid-template-columns: 1fr 1fr; }
}