/* ============================================================
   MIZAN TEKNOLOJİ — Corporate Website Stylesheet
   Ultra-Premium Dark Futuristic Design
   ============================================================ */

/* ---------- Google Fonts ---------- */
/* Font loaded via HTML <link> with preconnect for better performance */

/* ============================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */
:root {
  /* ── Colour Palette ── */
  --bg-primary:     #0A0F1C;
  --bg-secondary:   #111827;
  --bg-tertiary:    #1F2937;
  --bg-card:        rgba(17, 24, 39, 0.7);

  --accent-primary:   #6C63FF;
  --accent-secondary: #00D4AA;
  --accent-warm:      #FF6B35;

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

  --border:         rgba(108, 99, 255, 0.15);
  --border-hover:   rgba(108, 99, 255, 0.35);
  --glow:           rgba(108, 99, 255, 0.4);
  --glow-teal:      rgba(0, 212, 170, 0.35);

  /* ── Typography ── */
  --font-family:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --fs-h1:        clamp(2.5rem, 5vw, 4.5rem);
  --fs-h2:        clamp(2rem, 4vw, 3.5rem);
  --fs-h3:        clamp(1.25rem, 2vw, 1.75rem);
  --fs-body:      1rem;
  --fs-small:     0.875rem;
  --fs-xs:        0.75rem;

  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;
  --fw-black:     900;

  --lh-tight:     1.15;
  --lh-normal:    1.6;
  --lh-relaxed:   1.8;

  /* ── Spacing ── */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* ── Layout ── */
  --container-max: 1280px;
  --nav-height:    72px;
  --section-py:    clamp(4rem, 8vw, 8rem);

  /* ── Radii ── */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* ── Transitions ── */
  --ease-out:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:   180ms;
  --duration-normal: 320ms;
  --duration-slow:   500ms;

  /* ── Shadows ── */
  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg:  0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--glow);
}

/* ── Light Theme Variables ── */
[data-theme="light"] {
  --bg-primary:     #F8FAFC;
  --bg-secondary:   #FFFFFF;
  --bg-tertiary:    #E2E8F0;
  --bg-card:        rgba(255, 255, 255, 0.8);

  --accent-primary:   #4F46E5;
  --accent-secondary: #059669;
  --accent-warm:      #E65100;

  --text-primary:   #0F172A;
  --text-secondary: #475569;
  --text-muted:     #64748B;

  --border:         rgba(15, 23, 42, 0.15);
  --border-hover:   rgba(79, 70, 229, 0.3);
  --glow:           rgba(79, 70, 229, 0.2);
  --glow-teal:      rgba(5, 150, 105, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--nav-height);
}

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

/* ── Selection ── */
::selection {
  background-color: var(--accent-primary);
  color: var(--text-primary);
}

::-moz-selection {
  background-color: var(--accent-primary);
  color: var(--text-primary);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Firefox */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--bg-tertiary) var(--bg-primary);
}

/* ── Focus Visible ── */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Base elements ── */
img,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover {
  color: var(--accent-secondary);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
h1 { font-size: var(--fs-h1); font-weight: var(--fw-black); }
h2 { font-size: var(--fs-h2); font-weight: var(--fw-extrabold); }
h3 { font-size: var(--fs-h3); font-weight: var(--fw-bold); }

p {
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}

/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

section {
  padding-block: var(--section-py);
  position: relative;
}

/* ============================================================
   4. UTILITY CLASSES
   ============================================================ */

/* ── Glass Card ── */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05);
  transition: border-color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.glass-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* ── Gradient Text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--accent-primary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 4s ease infinite;
}

/* ── Glow Text ── */
.glow-text {
  text-shadow:
    0 0 10px var(--glow),
    0 0 40px rgba(108, 99, 255, 0.15);
}

/* ── Section Label (Eyebrow) ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  background: rgba(108, 99, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: var(--radius-full);
}

/* ── Buttons ── */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-family);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #8B7FFF 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.35);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #8B7FFF 0%, var(--accent-primary) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.5);
  color: #fff;
}
.btn-primary:hover::before {
  opacity: 1;
}
.btn-primary span,
.btn-primary i {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: rgba(108, 99, 255, 0.08);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

/* ── Gradient Border ── */
.gradient-border {
  position: relative;
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary));
  background-size: 300% 300%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: gradient-shift 6s ease infinite;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  pointer-events: none;
}
.gradient-border:hover::before {
  opacity: 1;
}

/* ============================================================
   5. KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--glow);
  }
  50% {
    box-shadow: 0 0 40px var(--glow), 0 0 60px rgba(108, 99, 255, 0.15);
  }
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Scroll-triggered animation ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out),
              transform 0.7s var(--ease-out);
}
.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ============================================================
   6. NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(10, 15, 28, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid transparent;
  transition: background var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.navbar.scrolled {
  background: rgba(10, 15, 28, 0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.4);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.35rem;
  font-weight: var(--fw-extrabold);
  color: var(--text-primary);
  letter-spacing: -0.03em;
  text-decoration: none;
  z-index: 1001;
}
.nav-logo:hover {
  color: var(--text-primary);
}
.nav-logo img {
  height: 32px;
  width: auto;
}
.nav-logo .logo-accent {
  color: var(--accent-primary);
}

/* Nav Links */
.nav-links {
  display: none;
  flex-direction: column;
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 28, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  align-items: center;
  gap: var(--space-xl);
  z-index: 1000;
}
.nav-links.active {
  display: flex;
}

.nav-links a {
  font-size: 1.1rem;
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-out),
              left var(--duration-normal) var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
  left: 20%;
}

/* Nav CTA */
.nav-cta {
  display: none;
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 0;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 1rem;
}

.control-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  font-weight: var(--fw-bold);
  font-size: 0.875rem;
}

.control-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 10px var(--glow);
}

[data-theme="dark"] .moon-icon,
[data-theme="light"] .sun-icon {
  display: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
  transform-origin: center;
}
.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   7. HERO SECTION
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108, 99, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0, 212, 170, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-primary) 0%, #070B16 100%);
}

/* Particle canvas overlay */
#hero .particle-canvas,
#hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Decorative grid overlay */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

/* Bottom gradient fade */
#hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding-inline: var(--space-lg);
  animation: fadeInUp 1s var(--ease-out) both;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  letter-spacing: -0.04em;
}
.hero-content h1 .highlight {
  display: inline;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content .hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
  line-height: var(--lh-relaxed);
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: clamp(1.5rem, 4vw, 3rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}
.hero-scroll-indicator .scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

/* ============================================================
   8. VISION SECTION
   ============================================================ */
#vision {
  background: var(--bg-primary);
  position: relative;
}
#vision::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.vision-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}
.vision-header h2 {
  margin-bottom: var(--space-md);
}
.vision-header p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

.vision-card {
  padding: var(--space-xl);
  text-align: center;
}
.vision-card .vision-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  font-size: 1.5rem;
}
.vision-card h3 {
  margin-bottom: var(--space-sm);
}
.vision-card p {
  font-size: var(--fs-small);
}

/* Counters row */
.vision-counters {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
}

.counter-item {
  text-align: center;
}
.counter-item .counter-value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-black);
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.counter-item .counter-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================================
   9. PRODUCTS SECTION
   ============================================================ */
#products {
  background:
    radial-gradient(ellipse 50% 40% at 20% 50%, rgba(108, 99, 255, 0.05) 0%, transparent 70%),
    var(--bg-secondary);
}

.products-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}
.products-header h2 {
  margin-bottom: var(--space-md);
}

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

.product-card {
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

/* Shimmer on hover */
.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(108, 99, 255, 0.04) 50%,
    transparent 100%
  );
  transition: none;
  pointer-events: none;
}
.product-card:hover::after {
  animation: shimmer 0.8s ease forwards;
}

.product-card .product-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  font-size: 1.75rem;
}
.product-card:nth-child(1) .product-icon {
  background: rgba(108, 99, 255, 0.12);
  color: var(--accent-primary);
}
.product-card:nth-child(2) .product-icon {
  background: rgba(0, 212, 170, 0.12);
  color: var(--accent-secondary);
}

.product-card h3 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  margin-bottom: var(--space-md);
}

.product-card .product-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: var(--lh-relaxed);
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.product-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--text-secondary);
}
.product-features li::before {
  content: '→';
  color: var(--accent-primary);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
}

.product-card .btn-secondary {
  width: 100%;
}

/* ============================================================
   10. TECHNOLOGY SECTION
   ============================================================ */
#technology {
  background: var(--bg-primary);
  position: relative;
}

.technology-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}
.technology-header h2 {
  margin-bottom: var(--space-md);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  border-radius: var(--radius-lg);
  background: rgba(17, 24, 39, 0.4);
  border: 1px solid transparent;
  transition: all var(--duration-normal) var(--ease-out);
}
.tech-item:hover {
  border-color: var(--border);
  background: var(--bg-card);
  transform: translateY(-2px);
}
.tech-item:hover .tech-icon {
  box-shadow: 0 0 25px var(--glow);
  transform: scale(1.1);
}

.tech-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(108, 99, 255, 0.08);
  color: var(--accent-primary);
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
  transition: box-shadow var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

.tech-item h4 {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}
.tech-item p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  line-height: var(--lh-normal);
}

/* ============================================================
   11. STATS SECTION
   ============================================================ */
#stats {
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(108, 99, 255, 0.06) 0%, transparent 70%),
    var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: var(--space-3xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat-item {
  padding: var(--space-lg);
}

.stat-value {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: var(--fw-black);
  line-height: 1;
  margin-bottom: var(--space-xs);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: var(--fs-small);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--fw-medium);
}

.stat-description {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
  display: none;
}

/* ============================================================
   12. ABOUT SECTION
   ============================================================ */
#about {
  background: var(--bg-primary);
  position: relative;
}

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

.about-content h2 {
  margin-bottom: var(--space-lg);
}

.about-content p {
  margin-bottom: var(--space-lg);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: var(--lh-relaxed);
}

.about-content .accent-line {
  color: var(--accent-primary);
  font-weight: var(--fw-semibold);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(17, 24, 39, 0.3);
  border: 1px solid var(--border);
  transition: border-color var(--duration-normal) var(--ease-out);
}
.about-highlight-item:hover {
  border-color: var(--border-hover);
}
.about-highlight-item .highlight-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  font-size: 1.1rem;
}
.about-highlight-item h4 {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}
.about-highlight-item p {
  font-size: var(--fs-small);
  margin-bottom: 0;
}

/* ============================================================
   13. CONTACT SECTION
   ============================================================ */
#contact {
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(0, 212, 170, 0.04) 0%, transparent 60%),
    var(--bg-secondary);
}

.contact-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}
.contact-header h2 {
  margin-bottom: var(--space-md);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

/* Contact Form */
.contact-form-wrapper {
  padding: var(--space-2xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--fs-body);
  color: var(--text-primary);
  background: rgba(10, 15, 28, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8.825L0.575 3.4l.85-.85L6 7.125l4.575-4.575.85.85z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.contact-form .btn-primary {
  width: 100%;
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Contact Info Cards */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-xl);
}

.contact-info-card .info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  font-size: 1.2rem;
}

.contact-info-card h4 {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.contact-info-card p,
.contact-info-card a {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}
.contact-info-card a:hover {
  color: var(--accent-primary);
}

/* ============================================================
   14. FOOTER
   ============================================================ */
#footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding-block: var(--space-3xl) var(--space-xl);
}

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

.footer-brand {
  max-width: 300px;
}
.footer-brand .nav-logo {
  margin-bottom: var(--space-md);
}
.footer-brand p {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

.footer-links h4 {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-links a {
  font-size: var(--fs-small);
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-out),
              padding-left var(--duration-fast) var(--ease-out);
}
.footer-links a:hover {
  color: var(--text-primary);
  padding-left: var(--space-xs);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}
.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-align: center;
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}
.footer-socials a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(17, 24, 39, 0.5);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--duration-normal) var(--ease-out);
}
.footer-socials a:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================================
   15. EXTRA COMPONENTS
   ============================================================ */

/* ── Loading / Preloader ── */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s var(--ease-out);
}
.preloader.loaded {
  opacity: 0;
  pointer-events: none;
}
.preloader .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-out);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Toast / Notification ── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-xl);
  color: var(--text-primary);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  z-index: 9998;
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-spring);
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.toast.success {
  border-color: rgba(0, 212, 170, 0.3);
}
.toast.error {
  border-color: rgba(255, 107, 53, 0.3);
}

/* ============================================================
   16. RESPONSIVE — TABLET (≥ 768px)
   ============================================================ */
@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-2xl);
  }

  /* Nav */
  .nav-toggle {
    display: none;
  }
  .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    background: none;
    backdrop-filter: none;
    padding-top: 0;
    gap: var(--space-sm);
  }
  .nav-links a {
    font-size: var(--fs-small);
    padding: var(--space-sm) var(--space-md);
  }
  .nav-cta {
    display: inline-flex;
  }

  /* Hero */
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  /* Vision */
  .vision-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .vision-counters {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Products */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Tech */
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .stat-description {
    display: block;
  }

  /* About */
  .about-wrapper {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
  }
  .about-highlights {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-wrapper {
    grid-template-columns: 1fr 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================================
   17. RESPONSIVE — DESKTOP (≥ 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .nav-links a {
    font-size: var(--fs-body);
    padding: var(--space-sm) var(--space-lg);
  }

  /* Vision */
  .vision-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .vision-card {
    text-align: left;
  }
  .vision-card .vision-icon {
    margin-inline: 0;
  }

  /* Tech */
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Contact */
  .contact-wrapper {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-3xl);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
  }
}

/* ============================================================
   18. RESPONSIVE — LARGE (≥ 1280px)
   ============================================================ */
@media (min-width: 1280px) {
  :root {
    --container-max: 1280px;
  }

  .container {
    padding-inline: var(--space-xl);
  }

  /* Tech */
  .tech-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  /* Products */
  .product-card {
    padding: var(--space-3xl);
  }
}

/* ============================================================
   19. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   20. PRINT STYLES
   ============================================================ */
@media print {
  body {
    background: #fff;
    color: #000;
  }
  .navbar,
  .hero-scroll-indicator,
  .particle-canvas,
  .back-to-top,
  .preloader {
    display: none !important;
  }
  section {
    page-break-inside: avoid;
  }
}

/* ============================================================
   21. HTML ↔ CSS CLASS ALIASES
   Maps HTML class names to CSS design tokens
   ============================================================ */

/* Navigation aliases */
.nav-brand { display: flex; align-items: center; gap: var(--space-sm); font-size: 1.35rem; font-weight: var(--fw-extrabold); color: var(--text-primary); letter-spacing: -0.03em; text-decoration: none; z-index: 1001; }
.nav-brand:hover { color: var(--text-primary); }
.brand-text { font-size: 1.35rem; font-weight: var(--fw-extrabold); }
.brand-accent { color: var(--accent-primary); }
.brand-icon { display: flex; align-items: center; justify-content: center; }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: var(--nav-height); }

/* Nav menu (alias for nav-links) */
.nav-menu { display: none; flex-direction: column; position: fixed; inset: 0; background: rgba(10, 15, 28, 0.97); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); padding-top: calc(var(--nav-height) + var(--space-3xl)); align-items: center; gap: var(--space-xl); z-index: 1000; }
.nav-menu.active { display: flex; }
.nav-link { font-size: 1.1rem; font-weight: var(--fw-medium); color: var(--text-secondary); text-decoration: none; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); transition: color var(--duration-fast) var(--ease-out); position: relative; }
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 50%; width: 0; height: 2px; background: var(--accent-primary); border-radius: var(--radius-full); transition: width var(--duration-normal) var(--ease-out), left var(--duration-normal) var(--ease-out); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; left: 20%; }
.nav-cta { background: var(--accent-primary); color: #fff !important; padding: var(--space-sm) var(--space-lg) !important; border-radius: var(--radius-full); font-weight: var(--fw-semibold); font-size: var(--fs-small) !important; }
.nav-cta::after { display: none; }
.nav-cta:hover { background: #5a52e0; transform: translateY(-1px); }

/* Hero aliases */
.hero-title { margin-bottom: var(--space-lg); letter-spacing: -0.04em; }
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text-secondary); max-width: 640px; margin-inline: auto; margin-bottom: var(--space-2xl); line-height: var(--lh-relaxed); }
.hero-actions { display: flex; flex-direction: column; gap: var(--space-md); align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-sm); font-size: var(--fs-xs); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent-primary); padding: var(--space-sm) var(--space-lg); border-radius: var(--radius-full); background: rgba(108, 99, 255, 0.08); border: 1px solid rgba(108, 99, 255, 0.2); margin-bottom: var(--space-xl); }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-secondary); animation: pulse-glow 2s ease-in-out infinite; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: var(--space-xl); margin-top: var(--space-3xl); flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat-number { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: var(--fw-black); color: var(--text-primary); }
.hero-stat-label { display: block; font-size: var(--fs-xs); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-top: var(--space-xs); }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-gradient-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, 0.08) 0%, transparent 50%), radial-gradient(ellipse at 80% 50%, rgba(0, 212, 170, 0.05) 0%, transparent 50%); z-index: 1; pointer-events: none; }

/* Scroll indicator */
.scroll-mouse { width: 24px; height: 38px; border: 2px solid var(--text-muted); border-radius: 12px; display: flex; align-items: flex-start; justify-content: center; padding-top: 6px; }
.scroll-wheel { width: 3px; height: 8px; border-radius: 2px; background: var(--accent-primary); animation: float 2s ease-in-out infinite; }

/* Typing cursor */
.typing-cursor { color: var(--accent-primary); animation: pulse-glow 1s step-end infinite; font-weight: var(--fw-light); }

/* Section header aliases */
.section-header { text-align: center; max-width: 700px; margin-inline: auto; margin-bottom: var(--space-3xl); }
.section-header h2, .section-title { margin-bottom: var(--space-md); }
.section-header p, .section-desc { font-size: clamp(1rem, 1.5vw, 1.125rem); color: var(--text-secondary); line-height: var(--lh-relaxed); }

/* Tech card alias for tech-item */
.tech-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--space-xl) var(--space-md); }
.tech-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.tech-card:hover .tech-icon { box-shadow: 0 0 25px var(--glow); transform: scale(1.1); }
.tech-card h3 { font-size: var(--fs-small); font-weight: var(--fw-semibold); margin-bottom: var(--space-xs); color: var(--text-primary); }
.tech-card p { font-size: var(--fs-xs); color: var(--text-muted); line-height: var(--lh-normal); }

/* Vision icon accent variants */
.vision-icon.accent-teal { background: rgba(0, 212, 170, 0.1); color: var(--accent-secondary); }
.vision-icon.accent-warm { background: rgba(255, 107, 53, 0.1); color: var(--accent-warm); }

/* Product card extras */
.product-header { display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-lg); }
.product-icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: rgba(108, 99, 255, 0.1); color: var(--accent-primary); flex-shrink: 0; }
.product-icon-ehukuk { background: rgba(0, 212, 170, 0.1); color: var(--accent-secondary); }
.product-icon-ai { background: rgba(108, 99, 255, 0.15); color: var(--accent-primary); }
.product-name { font-size: var(--fs-h3); font-weight: var(--fw-bold); color: var(--text-primary); }
.product-tagline { font-size: var(--fs-xs); color: var(--text-muted); margin-top: var(--space-xs); }
.product-desc { font-size: var(--fs-small); color: var(--text-secondary); line-height: var(--lh-relaxed); margin-bottom: var(--space-lg); }
.product-features { list-style: none; padding: 0; margin: 0 0 var(--space-xl) 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.product-features li { display: flex; align-items: center; gap: var(--space-sm); font-size: var(--fs-small); color: var(--text-secondary); }
.product-features li svg { flex-shrink: 0; }
.product-footer { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-lg); border-top: 1px solid var(--border); gap: var(--space-md); flex-wrap: wrap; }
.product-pricing { display: flex; flex-direction: column; }
.price-main { font-size: 1.1rem; font-weight: var(--fw-bold); color: var(--text-primary); }
.price-sub { font-size: var(--fs-xs); color: var(--text-muted); }
.btn-product { display: inline-flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-lg); font-size: var(--fs-small); }
.btn-ai { background: var(--accent-primary); }
.product-badge { display: inline-block; font-size: var(--fs-xs); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.1em; padding: var(--space-xs) var(--space-md); border-radius: var(--radius-full); background: rgba(0, 212, 170, 0.1); color: var(--accent-secondary); margin-bottom: var(--space-lg); }
.product-badge-ai { background: rgba(108, 99, 255, 0.15); color: var(--accent-primary); }
.product-featured { border-color: rgba(108, 99, 255, 0.3); position: relative; }
.product-featured::before { content: ''; position: absolute; inset: -1px; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)); z-index: -1; opacity: 0.3; }

/* Stats extras */
.stat-number { font-size: clamp(2rem, 4vw, 3rem); font-weight: var(--fw-black); background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: var(--fs-small); color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.08em; margin-top: var(--space-sm); }
.stat-bar { width: 100%; height: 3px; background: rgba(108, 99, 255, 0.1); border-radius: var(--radius-full); margin-top: var(--space-md); overflow: hidden; }
.stat-bar-fill { height: 100%; width: var(--fill-width, 50%); background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)); border-radius: var(--radius-full); transition: width 1.5s var(--ease-out); }
.stats-note { text-align: center; font-size: var(--fs-xs); color: var(--text-muted); margin-top: var(--space-2xl); }

/* About section aliases */
.about-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-3xl); }
.about-content { }
.about-text { font-size: clamp(0.95rem, 1.5vw, 1.05rem); color: var(--text-secondary); line-height: var(--lh-relaxed); margin-bottom: var(--space-lg); }
.about-text strong { color: var(--text-primary); font-weight: var(--fw-semibold); }
.about-values { display: flex; flex-direction: column; gap: var(--space-lg); margin-top: var(--space-xl); }
.value-item { display: flex; gap: var(--space-md); align-items: flex-start; }
.value-icon { font-size: 1.5rem; flex-shrink: 0; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: rgba(108, 99, 255, 0.08); color: var(--accent-primary); }
.value-item h4 { font-size: var(--fs-body); font-weight: var(--fw-semibold); color: var(--text-primary); margin-bottom: var(--space-xs); }
.value-item p { font-size: var(--fs-small); color: var(--text-secondary); line-height: var(--lh-normal); }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.about-card { padding: var(--space-lg); text-align: center; }
.about-card-header { display: flex; flex-direction: column; align-items: center; gap: var(--space-xs); margin-bottom: var(--space-sm); }
.about-card-icon { font-size: 1.5rem; color: var(--accent-primary); display: flex; align-items: center; justify-content: center; }
.about-card-label { font-size: var(--fs-xs); font-weight: var(--fw-semibold); color: var(--accent-primary); text-transform: uppercase; letter-spacing: 0.1em; }
.about-card-text { font-size: var(--fs-small); font-weight: var(--fw-semibold); color: var(--text-primary); }

/* Contact info card alias */
.contact-info { display: flex; flex-direction: column; gap: var(--space-md); }
.info-card { display: flex; gap: var(--space-md); align-items: flex-start; padding: var(--space-lg); }
.info-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); background: rgba(108, 99, 255, 0.1); color: var(--accent-primary); flex-shrink: 0; }
.info-card h4 { font-size: var(--fs-small); font-weight: var(--fw-semibold); color: var(--text-primary); margin-bottom: var(--space-xs); }
.info-card p { font-size: var(--fs-small); color: var(--text-secondary); line-height: var(--lh-normal); }
.info-card a { color: var(--accent-primary); text-decoration: none; }
.info-card a:hover { text-decoration: underline; }

/* Contact layout */
.contact-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); }

/* Form extras */
.form-group { margin-bottom: var(--space-lg); }
.form-label { display: block; font-size: var(--fs-small); font-weight: var(--fw-medium); color: var(--text-primary); margin-bottom: var(--space-sm); }
.form-input { width: 100%; padding: var(--space-md); font-family: var(--font-family); font-size: var(--fs-body); color: var(--text-primary); background: rgba(17, 24, 39, 0.5); border: 1px solid var(--border); border-radius: var(--radius-md); transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out); outline: none; box-sizing: border-box; }
.form-input:focus { border-color: var(--accent-primary); box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15); }
.form-input::placeholder { color: var(--text-muted); }
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 5L6 8L9 5' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.form-textarea { resize: vertical; min-height: 120px; }
.btn-submit { width: 100%; display: flex; align-items: center; justify-content: center; gap: var(--space-sm); padding: var(--space-md) var(--space-xl); font-size: var(--fs-body); }
.btn-lg { padding: var(--space-md) var(--space-2xl); font-size: 1.05rem; }

/* Footer aliases */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding-top: var(--space-3xl); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); padding-bottom: var(--space-2xl); }
.footer-brand { max-width: 320px; }
.footer-brand .footer-logo { margin-bottom: var(--space-lg); }
.footer-desc { font-size: var(--fs-small); color: var(--text-muted); line-height: var(--lh-relaxed); }
.footer-links h4 { font-size: var(--fs-small); font-weight: var(--fw-semibold); color: var(--text-primary); margin-bottom: var(--space-md); text-transform: uppercase; letter-spacing: 0.1em; }
.footer-links ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-links li { font-size: var(--fs-small); color: var(--text-muted); }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color var(--duration-fast) var(--ease-out); }
.footer-links a:hover { color: var(--accent-primary); }
.footer-bottom { border-top: 1px solid var(--border); padding: var(--space-lg) 0; display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); text-align: center; }
.footer-bottom p { font-size: var(--fs-xs); color: var(--text-muted); }
.footer-legal { font-size: var(--fs-xs); color: var(--text-muted); opacity: 0.7; }

/* Toast notification */
.toast { position: fixed; bottom: 2rem; right: 2rem; padding: var(--space-md) var(--space-xl); border-radius: var(--radius-md); background: var(--bg-tertiary); color: var(--text-primary); border: 1px solid var(--border); font-size: var(--fs-small); z-index: 10000; transform: translateY(120%); opacity: 0; transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out); pointer-events: none; }
.toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast.success { border-color: var(--accent-secondary); }
.toast.error { border-color: var(--accent-warm); }

/* ============================================================
   22. RESPONSIVE ALIASES
   ============================================================ */
@media (min-width: 768px) {
  .hero-actions { flex-direction: row; justify-content: center; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1.2fr 0.8fr; }
  .about-layout { grid-template-columns: 1.2fr 0.8fr; align-items: start; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .nav-menu {
    display: flex;
    flex-direction: row;
    position: static;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding-top: 0;
    gap: var(--space-md);
    align-items: center;
  }
  .nav-toggle { display: none; }
  .nav-link { font-size: var(--fs-small); padding: var(--space-xs) var(--space-sm); }
}
@media (min-width: 1024px) {
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .vision-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1280px) {
  .products-grid { gap: var(--space-2xl); }
}