/* ============================================
   IT CODE FOR YOU - Main Stylesheet
   DarkTrader-inspired dark theme
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  /* Premium Backgrounds - Deeper, richer tones */
  --bg-dark-primary: #050816;
  --bg-dark-secondary: #0f1629;
  --bg-dark-tertiary: #1a1f35;
  --bg-card: rgba(15, 22, 41, 0.6);
  --bg-card-hover: rgba(15, 22, 41, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);

  /* Premium Accents */
  --accent-blue: #4f8fff;
  --accent-purple: #915eff;
  --accent-cyan: #00d4ff;
  --accent-pink: #ff6b9d;
  --accent-gold: #ffd700;
  --gradient-primary: linear-gradient(135deg, #4f8fff 0%, #915eff 50%, #ff6b9d 100%);
  --gradient-secondary: linear-gradient(135deg, #00d4ff 0%, #4f8fff 100%);
  --gradient-hero: linear-gradient(135deg, #4f8fff 0%, #915eff 25%, #ff6b9d 50%, #915eff 75%, #4f8fff 100%);

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Borders */
  --border-color: rgba(255, 255, 255, 0.06);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --border-glow: rgba(79, 143, 255, 0.5);

  /* Status */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #4f8fff;

  /* Premium Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(79, 143, 255, 0.4);
  --shadow-glow-purple: 0 0 30px rgba(145, 94, 255, 0.4);
  --shadow-glow-pink: 0 0 30px rgba(255, 107, 157, 0.4);

  /* Typography */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  --font-5xl: 3rem;
  --font-6xl: 4rem;

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1200px;

  /* Premium Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: Inter, 'SF Pro Display', -apple-system, system-ui, sans-serif;
  background-color: var(--bg-dark-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Premium Page Loader */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-dark-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded,
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.page-loader .logo-img {
  height: 50px;
  max-width: 200px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.98); }
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loader-progress {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #4f8fff, #915eff);
  animation: loading 1.5s ease-in-out forwards;
}

@keyframes loading {
  0% { width: 0; }
  100% { width: 100%; }
}

/* Cursor Glow Effect */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 143, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

.cursor-glow.active {
  opacity: 1;
}

/* Premium Selection */
::selection {
  background: rgba(79, 143, 255, 0.3);
  color: #fff;
}

/* Premium Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-purple), var(--accent-pink));
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Sections below fold - lazy rendering */
.about,
.services,
.process,
.calculator,
.reviews,
.faq,
.contacts,
.ai-constructor,
.footer {
  content-visibility: auto;
  contain-intrinsic-size: 0 600px;
}

/* Reduced motion for accessibility and performance */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Disable heavy effects on low-power devices */
@media (max-width: 768px) {
  /* Hide cursor glow on mobile */
  .cursor-glow {
    display: none !important;
  }

  /* Simplify backdrop-filter on mobile */
  .header.scrolled,
  .glass-card,
  .service-card,
  .calculator-wrapper,
  .constructor-wrapper {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  /* Reduce orb effects */
  .hero-gradient-orb {
    filter: blur(60px);
    opacity: 0.3;
  }

  /* Disable particle canvas on very small screens */
  @media (max-width: 480px) {
    #particleCanvas {
      display: none;
    }
  }
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

button {
  cursor: pointer;
}

/* ---- Utility ---- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-family: Manrope, 'SF Pro Display', sans-serif;
  font-size: var(--font-5xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #4f8fff 0%, #915eff 25%, #ff6b9d 50%, #915eff 75%, #4f8fff 100%);
  background-size: 400% 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
  letter-spacing: -0.02em;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-lg);
  max-width: 600px;
  margin: 0 auto 70px;
  line-height: 1.8;
}

.gradient-text {
  background: var(--gradient-hero);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease-in-out infinite;
}

/* Scroll Animation Classes */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }
.fade-up-delay-5 { transition-delay: 0.5s; }
.fade-up-delay-6 { transition-delay: 0.6s; }

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Section Divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 143, 255, 0.3), rgba(145, 94, 255, 0.3), transparent);
  margin: 0 auto;
  max-width: 800px;
}

/* ---- Premium Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: var(--font-base);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-primary);
  background-size: 200% 200%;
  color: #fff;
  box-shadow: var(--shadow-glow);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Shimmer Effect */
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 40px rgba(79, 143, 255, 0.5), 0 0 80px rgba(145, 94, 255, 0.3);
  background-position: 100% 0;
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-outline {
  border: 1px solid var(--border-color-hover);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.02);
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(79, 143, 255, 0.2);
}

.btn-outline:hover::before {
  opacity: 0.1;
}

.btn-sm {
  padding: 10px 22px;
  font-size: var(--font-sm);
  border-radius: 10px;
}

.btn-lg {
  padding: 18px 42px;
  font-size: var(--font-lg);
  border-radius: 16px;
  animation: btnPulse 3s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: 0 0 25px rgba(79, 143, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 50px rgba(79, 143, 255, 0.6), 0 0 80px rgba(145, 94, 255, 0.4);
  }
}

/* ---- Premium Glass Card ---- */
.glass-card {
  background: rgba(15, 22, 41, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition-base);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

/* Gradient border glow on hover */
.glass-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, rgba(79, 143, 255, 0.5), rgba(145, 94, 255, 0.5), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.glass-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(79, 143, 255, 0.1);
}

/* 3D Tilt Card Wrapper */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.tilt-card .glass-card {
  transform: rotateX(0) rotateY(0);
  transition: transform 0.4s cubic-bezier(0.03, 0.98, 0.52, 0.99);
}

/* Card Inner Glow */
.card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(79, 143, 255, 0.15), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.glass-card:hover .card-glow {
  opacity: 1;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
}

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

/* ============================================
   ЛОГОТИП — ИКОНКА + ТЕКСТ
   ============================================ */

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img {
  flex-shrink: 0;
  object-fit: contain;
}

.logo-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1;
}

.logo-it {
  color: #ffffff;
  font-size: 1.25rem;
}

.logo-code {
  background: linear-gradient(135deg, #4f8fff 0%, #915eff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.25rem;
}

/* === HEADER === */
.header .logo img {
  width: 34px;
  height: 34px;
}

.header .logo-it,
.header .logo-code {
  font-size: 1.15rem;
}

/* === FOOTER === */
.footer .logo img {
  width: 40px;
  height: 40px;
}

.footer .logo-it,
.footer .logo-code {
  font-size: 1.2rem;
}

/* === SIDEBAR === */
.sidebar .logo img {
  width: 30px;
  height: 30px;
}

.sidebar .logo-it,
.sidebar .logo-code {
  font-size: 1rem;
}

/* === AUTH СТРАНИЦЫ (Login, Register) === */
.auth-card .logo {
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.auth-card .logo img {
  width: 55px;
  height: 55px;
}

.auth-card .logo-text {
  justify-content: center;
}

.auth-card .logo-it,
.auth-card .logo-code {
  font-size: 1.5rem;
}

/* ============================================
   МОБИЛЬНАЯ АДАПТАЦИЯ
   ============================================ */

@media (max-width: 1024px) {
  .logo {
    gap: 10px;
  }

  .logo img {
    width: 32px;
    height: 32px;
  }

  .logo-it,
  .logo-code {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .logo {
    gap: 8px;
  }

  .logo img {
    width: 28px;
    height: 28px;
  }

  .logo-it,
  .logo-code {
    font-size: 0.95rem;
  }

  .header .logo img {
    width: 26px;
    height: 26px;
  }

  .header .logo-it,
  .header .logo-code {
    font-size: 0.9rem;
  }

  .sidebar .logo img {
    width: 24px;
    height: 24px;
  }

  .sidebar .logo-it,
  .sidebar .logo-code {
    font-size: 0.85rem;
  }

  .auth-card .logo img {
    width: 50px;
    height: 50px;
  }

  .auth-card .logo-it,
  .auth-card .logo-code {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .logo {
    gap: 6px;
  }

  .logo img {
    width: 24px;
    height: 24px;
  }

  .logo-it,
  .logo-code {
    font-size: 0.85rem;
  }

  .header .logo img {
    width: 24px;
    height: 24px;
  }

  .header .logo-it,
  .header .logo-code {
    font-size: 0.8rem;
  }

  .auth-card .logo img {
    width: 45px;
    height: 45px;
  }

  .auth-card .logo-it,
  .auth-card .logo-code {
    font-size: 1.15rem;
  }
}

/* Убедимся что текст всегда виден */
.logo-text,
.logo-it,
.logo-code {
  display: inline-flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
  background: var(--bg-glass);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.lang-btn {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  color: var(--text-secondary);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--gradient-primary);
  color: var(--text-primary);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

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

/* ============================================
   HERO SECTION - Premium Design
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
}

/* Animated Grid Background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 143, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 143, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 25s linear infinite;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 70%);
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* Noise Texture Overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg canvas {
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

/* Premium Floating Orbs */
.hero-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: orbFloat 12s ease-in-out infinite;
}

.hero-gradient-orb.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 143, 255, 0.4), transparent 70%);
  top: -150px;
  right: -100px;
}

.hero-gradient-orb.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(145, 94, 255, 0.35), transparent 70%);
  bottom: -100px;
  left: -150px;
  animation-delay: -4s;
}

.hero-gradient-orb.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(255, 107, 157, 0.25), transparent 70%);
  top: 40%;
  left: 30%;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  25% {
    transform: translate(20px, -30px) scale(1.05);
    opacity: 0.8;
  }
  50% {
    transform: translate(40px, -20px) scale(1);
    opacity: 0.6;
  }
  75% {
    transform: translate(20px, 10px) scale(0.95);
    opacity: 0.7;
  }
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content h1 {
  font-family: Manrope, sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 28px;
  letter-spacing: -0.03em;
}

.hero-content h1 .gradient-text {
  display: inline-block;
  position: relative;
}

/* Typewriter cursor effect */
.hero-content h1 .gradient-text::after {
  content: '|';
  position: absolute;
  right: -10px;
  color: var(--accent-blue);
  animation: blink 1s step-end infinite;
  font-weight: 400;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-content p {
  font-size: var(--font-xl);
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 540px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-illustration {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
  position: relative;
  animation: illustrationFloat 6s ease-in-out infinite;
}

@keyframes illustrationFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-illustration .neural-net {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 30px rgba(79, 143, 255, 0.3));
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: var(--section-padding);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 60px;
}

.about-text h3 {
  font-size: var(--font-2xl);
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.advantage-card {
  padding: 24px;
  border-radius: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.advantage-card:hover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.advantage-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.advantage-card h4 {
  margin-bottom: 8px;
  font-size: var(--font-lg);
}

.advantage-card p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: 20px;
  background: rgba(15, 22, 41, 0.5);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(79, 143, 255, 0.1), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-8px);
  border-color: rgba(79, 143, 255, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.stat-card .number {
  font-family: Manrope, sans-serif;
  font-size: var(--font-5xl);
  font-weight: 800;
  background: var(--gradient-hero);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

.stat-card .label {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  margin-top: 10px;
  position: relative;
  z-index: 1;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  padding: var(--section-padding);
  background: var(--bg-dark-secondary);
}

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

.service-card {
  padding: 36px;
  border-radius: 20px;
  background: rgba(15, 22, 41, 0.6);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  transition: all 0.4s cubic-bezier(0.03, 0.98, 0.52, 0.99);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* Gradient border glow */
.service-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, rgba(79, 143, 255, 0.6), rgba(145, 94, 255, 0.6), transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

/* Inner glow effect */
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(79, 143, 255, 0.1), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-12px) rotateX(2deg);
  border-color: rgba(79, 143, 255, 0.2);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(79, 143, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  background: rgba(15, 22, 41, 0.9);
}

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

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

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--gradient-primary);
  background-size: 200% 200%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(79, 143, 255, 0.3);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 12px 32px rgba(79, 143, 255, 0.4);
}

.service-card h3 {
  font-size: var(--font-xl);
  margin-bottom: 12px;
}

.service-card ul {
  margin-bottom: 20px;
}

.service-card ul li {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.service-card ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process {
  padding: var(--section-padding);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.timeline-step {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-xl);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.timeline-step .step-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.timeline-step h4 {
  font-size: var(--font-lg);
  margin-bottom: 8px;
}

.timeline-step p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

/* Portfolio section removed */

/* ============================================
   CALCULATOR SECTION
   ============================================ */
.calculator {
  padding: var(--section-padding);
}

.calculator-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
}

.calc-services {
  margin-bottom: 32px;
}

.calc-services label {
  display: block;
  font-weight: 600;
  margin-bottom: 16px;
  font-size: var(--font-lg);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
}

.radio-option:hover,
.radio-option.selected {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.radio-option input[type="radio"] {
  accent-color: var(--accent-blue);
  width: 18px;
  height: 18px;
}

.calc-options {
  margin-bottom: 32px;
}

.calc-options label {
  display: block;
  font-weight: 600;
  margin-bottom: 16px;
  font-size: var(--font-lg);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
}

.checkbox-option:hover {
  border-color: var(--border-color-hover);
}

.checkbox-option input[type="checkbox"] {
  accent-color: var(--accent-blue);
  width: 18px;
  height: 18px;
}

.checkbox-option .price-add {
  margin-left: auto;
  color: var(--accent-cyan);
  font-size: var(--font-sm);
}

.calc-result {
  text-align: center;
  padding: 32px;
  border-radius: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
}

.calc-result .label {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.calc-result .price {
  font-family: Manrope, sans-serif;
  font-size: var(--font-4xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all var(--transition-base);
}

.calc-result .btn {
  margin-top: 20px;
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews {
  padding: var(--section-padding);
  background: var(--bg-dark-secondary);
}

.reviews-carousel {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
}

.reviews-track {
  display: flex;
  transition: transform 0.5s ease;
}

.review-card {
  min-width: 100%;
  padding: 40px;
  text-align: center;
}

.review-card .stars {
  color: #f59e0b;
  font-size: var(--font-xl);
  margin-bottom: 20px;
}

.review-card blockquote {
  font-size: var(--font-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.review-author .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-lg);
}

.review-author .info .name {
  font-weight: 600;
}

.review-author .info .role {
  color: var(--text-muted);
  font-size: var(--font-sm);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
  align-items: center;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.carousel-btn:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
}

.carousel-dot.active {
  background: var(--accent-blue);
  width: 24px;
  border-radius: 4px;
}

/* ============================================
   FAQ SECTION - Premium Accordion
   ============================================ */
.faq {
  padding: var(--section-padding);
  position: relative;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition-base);
  background: rgba(15, 22, 41, 0.4);
}

.faq-item:hover {
  border-color: rgba(79, 143, 255, 0.2);
  background: rgba(15, 22, 41, 0.6);
}

.faq-item.active {
  border-color: rgba(79, 143, 255, 0.4);
  background: rgba(15, 22, 41, 0.7);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 0 20px rgba(79, 143, 255, 0.1);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-base);
  gap: 20px;
}

.faq-question:hover {
  background: rgba(79, 143, 255, 0.03);
}

.faq-question .arrow {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(79, 143, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  flex-shrink: 0;
  color: var(--text-muted);
}

.faq-item:hover .faq-question .arrow {
  background: rgba(79, 143, 255, 0.2);
  color: var(--accent-blue);
}

.faq-item.active .faq-question .arrow {
  transform: rotate(180deg);
  background: var(--gradient-primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer .answer-content {
  padding: 0 28px 24px;
  color: var(--text-secondary);
  line-height: 1.9;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-top: 0;
}

/* ============================================
   CONTACTS SECTION
   ============================================ */
.contacts {
  padding: var(--section-padding);
  background: var(--bg-dark-secondary);
}

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.form-input {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: rgba(15, 22, 41, 0.5);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.form-input:hover {
  border-color: rgba(79, 143, 255, 0.3);
}

.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(79, 143, 255, 0.15), 0 0 20px rgba(79, 143, 255, 0.1);
  background: rgba(15, 22, 41, 0.7);
}

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

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

/* Поле с ошибкой */
.form-input.input-error {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input.input-error:focus {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
}

.form-error,
.email-error {
  display: block;
  color: var(--error);
  font-size: var(--font-xs);
  margin-top: 6px;
}

/* Успешная валидация */
.form-input.input-valid {
  border-color: var(--success);
}

.contact-info h3 {
  font-size: var(--font-2xl);
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.info-item .info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-blue);
}

.info-item .info-text .label {
  color: var(--text-muted);
  font-size: var(--font-sm);
}

.info-item .info-text .value {
  font-weight: 500;
  margin-top: 2px;
}

/* Social links removed */

/* ============================================
   FOOTER - Premium Design
   ============================================ */
.footer {
  padding: 80px 0 32px;
  border-top: 1px solid var(--border-color);
  position: relative;
  background: linear-gradient(180deg, var(--bg-dark-primary) 0%, rgba(15, 22, 41, 0.5) 100%);
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 143, 255, 0.5), rgba(145, 94, 255, 0.5), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-about .logo {
  margin-bottom: 16px;
}

.footer-about p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  line-height: 1.8;
}

.footer-nav h4,
.footer-contacts h4 {
  font-size: var(--font-lg);
  margin-bottom: 20px;
}

.footer-nav ul li {
  margin-bottom: 10px;
}

.footer-nav ul li a {
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

.footer-nav ul li a:hover {
  color: var(--text-primary);
}

.footer-contacts p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  margin-bottom: 8px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: var(--font-sm);
}

.footer-bottom a {
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

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

/* ============================================
   AUTH PAGES (Login / Register)
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 40px 20px;
}

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

.auth-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
}

.auth-bg .orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-blue);
  top: -100px;
  left: -100px;
}

.auth-bg .orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-purple);
  bottom: -50px;
  right: -50px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 48px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  position: relative;
  z-index: 1;
}

.auth-card .logo {
  justify-content: center;
  margin-bottom: 32px;
}

.auth-card h2 {
  text-align: center;
  font-size: var(--font-2xl);
  margin-bottom: 32px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form .form-input {
  width: 100%;
}

.password-wrapper {
  position: relative;
}

.password-wrapper .toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  transition: color var(--transition-fast);
}

.password-wrapper .toggle-password:hover {
  color: var(--text-primary);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.form-checkbox input {
  accent-color: var(--accent-blue);
  width: 16px;
  height: 16px;
}

.form-error {
  color: var(--error);
  font-size: var(--font-xs);
  display: none;
}

.form-error.visible {
  display: block;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

.auth-footer a {
  color: var(--accent-blue);
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.forgot-link {
  text-align: right;
  display: block;
  font-size: var(--font-sm);
  color: var(--accent-blue);
}

.forgot-link:hover {
  text-decoration: underline;
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--bg-dark-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-base);
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-user {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-user .user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.sidebar-user .user-info .name {
  font-weight: 600;
  font-size: var(--font-sm);
}

.sidebar-user .user-info .email {
  color: var(--text-muted);
  font-size: var(--font-xs);
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: var(--font-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  margin-bottom: 4px;
}

.sidebar-nav a:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  background: var(--gradient-primary);
  color: #fff;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text-muted);
  font-size: var(--font-sm);
  transition: all var(--transition-base);
}

.sidebar-footer a:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.main-content {
  flex: 1;
  margin-left: 260px;
}

.dashboard-header {
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(20px);
  z-index: 50;
}

.dashboard-header h2 {
  font-size: var(--font-xl);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.notification-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-base);
}

.notification-btn:hover {
  border-color: var(--accent-blue);
}

.notification-btn .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--error);
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.dashboard-body {
  padding: 32px;
}

/* Dashboard overview cards */
.overview-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.overview-card {
  padding: 24px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.overview-card .card-label {
  color: var(--text-muted);
  font-size: var(--font-sm);
  margin-bottom: 8px;
}

.overview-card .card-value {
  font-family: Manrope, sans-serif;
  font-size: var(--font-3xl);
  font-weight: 800;
}

.overview-card .card-value.blue {
  color: var(--accent-blue);
}

.overview-card .card-value.green {
  color: var(--success);
}

.overview-card .card-value.purple {
  color: var(--accent-purple);
}

/* Orders table */
.orders-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 32px;
}

.orders-table-wrapper .table-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.orders-table-wrapper .table-header h3 {
  font-size: var(--font-lg);
}

.orders-table {
  width: 100%;
  border-collapse: collapse;
}

.orders-table th {
  text-align: left;
  padding: 14px 24px;
  color: var(--text-muted);
  font-size: var(--font-sm);
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}

.orders-table td {
  padding: 16px 24px;
  font-size: var(--font-sm);
  border-bottom: 1px solid var(--border-color);
}

.orders-table tr:last-child td {
  border-bottom: none;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: var(--font-xs);
  font-weight: 600;
}

.status-badge.in-progress {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
}

.status-badge.completed {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.status-badge.payment {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.status-badge.cancelled {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.status-badge.new {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
}

.status-badge.review {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
}

/* Quick actions */
.quick-actions {
  display: flex;
  gap: 12px;
}

/* Order cards */
.order-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.order-card {
  padding: 24px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.order-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.order-card-header .order-id {
  font-weight: 700;
  font-size: var(--font-lg);
}

.order-card-header .order-date {
  color: var(--text-muted);
  font-size: var(--font-sm);
}

.progress-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--bg-dark-tertiary);
  margin: 16px 0;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-primary);
  transition: width 0.5s ease;
}

.order-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
}

.order-price {
  font-family: Manrope, sans-serif;
  font-weight: 700;
  font-size: var(--font-lg);
}

/* Constructor steps */
.constructor-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-step .step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition-base);
}

.progress-step.active .step-circle {
  border-color: var(--accent-blue);
  background: var(--accent-blue);
  color: #fff;
}

.progress-step.completed .step-circle {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}

.progress-step .step-label {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.progress-step.active .step-label {
  color: var(--text-primary);
}

.progress-line {
  width: 40px;
  height: 2px;
  background: var(--border-color);
}

.progress-line.active {
  background: var(--accent-blue);
}

.constructor-body {
  max-width: 700px;
  margin: 0 auto;
}

.category-cards,
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* Карточка услуги как checkbox (мультивыбор) */
.category-card {
  position: relative;
  padding: 24px 16px;
  border-radius: 16px;
  border: 2px solid var(--border-color);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
}

.category-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Индикатор выбора */
.category-card::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.category-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-glass);
  transform: translateY(-4px);
}

/* Выбранная карточка */
.category-card:has(input:checked),
.category-card.selected {
  border-color: var(--accent-blue);
  background: rgba(79, 143, 255, 0.1);
  box-shadow: 0 0 20px rgba(79, 143, 255, 0.2);
}

.category-card:has(input:checked)::after,
.category-card.selected::after {
  background: var(--gradient-primary);
  border-color: transparent;
  content: '✓';
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

.category-card .cat-icon {
  font-size: 2rem;
  margin-bottom: 4px;
}

.category-card h4,
.category-card span:not(.cat-icon):not(.cat-price) {
  font-size: var(--font-sm);
  font-weight: 600;
}

.category-card .cat-price {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: 4px;
}

/* Кнопка выбрать все */
.select-all-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  margin-bottom: 24px;
}

/* === КНОПКА ДАЛЕЕ — ВСЕГДА ПО ЦЕНТРУ === */
.constructor-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Когда только одна кнопка - центрируем */
.constructor-nav > *:only-child {
  margin: 0 auto;
}

/* Когда два элемента (кнопка назад + далее) */
.constructor-nav:has(.btn:nth-child(2)) {
  justify-content: center;
  gap: 20px;
}

/* Кнопки в навигации */
.constructor-nav .btn {
  min-width: 160px;
}

/* Мобильная версия */
@media (max-width: 576px) {
  .constructor-nav {
    flex-direction: column;
    align-items: center;
  }

  .constructor-nav .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Порядок кнопок на мобильных */
  .constructor-nav .btn-primary {
    order: 1;
  }

  .constructor-nav .btn-outline {
    order: 2;
  }
}

/* Summary panel */
.order-summary {
  padding: 24px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  position: sticky;
  top: 100px;
}

.order-summary h4 {
  margin-bottom: 16px;
  font-size: var(--font-lg);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.summary-divider {
  height: 1px;
  background: var(--border-color);
  margin: 12px 0;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: var(--font-lg);
}

/* Dashboard section visibility */
.dashboard-section {
  display: none;
}

.dashboard-section.active {
  display: block;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  width: 100%;
  max-width: 480px;
  background: var(--bg-dark-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
}

.modal h3 {
  margin-bottom: 20px;
  text-align: center;
}

.modal-close {
  float: right;
  cursor: pointer;
  color: var(--text-muted);
  font-size: var(--font-xl);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-dark-tertiary) 25%, var(--bg-card) 50%, var(--bg-dark-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: 8px;
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }


  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .overview-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-6xl: 2.5rem;
    --font-5xl: 2rem;
    --font-4xl: 1.75rem;
    --section-padding: 60px 0;
  }

  /* Мобильное меню - ПОЛНОСТЬЮ ФИКСИРОВАННОЕ */
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-dark-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 9999;
    overflow-y: auto;
    padding: 80px 20px 40px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: var(--font-2xl);
    padding: 12px 24px;
    transition: all var(--transition-base);
  }

  .nav-links a:hover {
    color: var(--accent-blue);
    transform: scale(1.05);
  }

  /* Предотвращаем скролл body когда меню открыто */
  body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
  }

  /* Бургер должен быть поверх всего */
  .burger {
    display: flex;
    z-index: 10000;
    position: relative;
  }

  .burger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .burger.open span:nth-child(2) {
    opacity: 0;
  }

  .burger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .header-actions .btn {
    display: none;
  }

  .header .container {
    padding: 0 16px;
  }

  /* Mobile logo sizes */
  .logo-img {
    height: 32px;
  }

  .header .logo-img {
    height: 28px;
  }

  .footer .logo-img {
    height: 40px;
  }

  .auth-card .logo-img {
    height: 50px;
  }

  .lang-switcher {
    margin-right: 8px;
  }

  .lang-btn {
    padding: 4px 8px;
    font-size: var(--font-xs);
  }

  /* Hero Mobile */
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: var(--font-3xl);
    text-align: center;
  }

  .hero-content p {
    font-size: var(--font-base);
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  /* Sections Mobile */
  section {
    padding: 60px 0;
  }

  .section-title {
    font-size: var(--font-2xl);
    padding: 0 16px;
  }

  .section-subtitle {
    font-size: var(--font-base);
    padding: 0 16px;
  }

  .container {
    padding: 0 16px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-card {
    padding: 24px;
  }

  /* === ПРОЦЕСС РАБОТЫ — МОБИЛЬНАЯ ВЕРСИЯ === */
  .timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 50px;
  }

  /* Вертикальная линия слева */
  .timeline::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
  }

  .timeline-step {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 0 0 28px 0;
    position: relative;
  }

  /* Номер шага — слева на линии */
  .timeline-step .step-number {
    position: absolute;
    left: -50px;
    top: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-sm);
    font-weight: 700;
    margin: 0;
    z-index: 2;
    box-shadow: 0 0 15px rgba(79, 143, 255, 0.4);
  }

  /* Иконка */
  .timeline-step .step-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
  }

  /* Заголовок */
  .timeline-step h4 {
    font-size: var(--font-base);
    margin-bottom: 4px;
    line-height: 1.3;
  }

  /* Описание */
  .timeline-step p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    max-width: 100%;
  }

  /* Последний шаг без отступа снизу */
  .timeline-step:last-child {
    padding-bottom: 0;
  }

  .timeline-step:last-child::after {
    display: none;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 24px 16px;
  }

  .stat-card .number {
    font-size: var(--font-2xl);
  }

  .advantages-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .about-grid {
    display: flex !important;
    flex-direction: column;
    gap: 32px;
  }

  .about-text {
    display: block !important;
  }

  .about-text h3,
  .about-text p {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .advantage-card {
    display: flex !important;
    flex-direction: column;
    padding: 20px;
  }

  .advantage-card h4,
  .advantage-card p {
    display: block !important;
  }

  /* Принудительно показываем все секции и анимированные элементы */
  section,
  .about,
  .services,
  .process,
  .contacts {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    content-visibility: visible !important;
  }

  /* Fade-up элементы видимы на мобильных */
  .fade-up,
  .scale-in {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
  }

  /* Все элементы с data-i18n видимы */
  [data-i18n] {
    visibility: visible !important;
    opacity: 1 !important;
  }

  /* Contacts Mobile */
  .contacts-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form {
    order: 2;
  }

  .contact-info {
    order: 1;
  }

  /* FAQ Mobile */
  .faq-question {
    padding: 16px;
    font-size: var(--font-sm);
  }

  .faq-answer .answer-content {
    padding: 0 16px 16px;
    font-size: var(--font-sm);
  }

  /* Footer Mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer-about {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-about .logo {
    justify-content: center;
    width: 100%;
  }

  .footer-about p {
    text-align: center;
    max-width: 100%;
  }

  .footer-nav,
  .footer-contacts {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    list-style: none;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    align-items: center;
  }

  /* Constructor Mobile */
  .category-cards,
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-card {
    padding: 16px 12px;
  }

  .category-card .cat-icon {
    font-size: 1.75rem;
  }

  .category-card h4,
  .category-card span:not(.cat-icon):not(.cat-price) {
    font-size: var(--font-xs);
  }

  .constructor-progress,
  .constructor-progress-bar {
    flex-wrap: wrap;
    gap: 6px;
  }

  .progress-step .step-label,
  .constructor-progress-bar .progress-step span:not(:first-child) {
    display: none;
  }

  .progress-line,
  .constructor-progress-bar .progress-line {
    width: 16px;
  }

  .order-summary {
    position: static;
    margin-top: 24px;
  }

  .constructor-wrapper {
    padding: 24px 16px;
  }

  .calculator-wrapper {
    padding: 24px 16px;
  }

  /* Forms Mobile */
  .form-input {
    padding: 14px 16px;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .btn {
    padding: 14px 24px;
  }

  .btn-lg {
    padding: 16px 28px;
    font-size: var(--font-base);
  }

  /* Dashboard Mobile */
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

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

  .orders-table-wrapper {
    overflow-x: auto;
  }

  .orders-table {
    font-size: var(--font-xs);
    min-width: 600px;
  }

  .orders-table th,
  .orders-table td {
    padding: 10px 12px;
  }

  .auth-card {
    padding: 32px 24px;
  }

  /* Hide cursor glow on mobile */
  .cursor-glow {
    display: none !important;
  }
}

/* Touch devices - disable hover effects */
@media (hover: none) {
  .service-card:hover,
  .btn:hover,
  .category-card:hover {
    transform: none;
  }

  .btn:active {
    transform: scale(0.98);
  }

  .service-card:active,
  .category-card:active {
    transform: scale(0.99);
  }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 80px 0 40px;
  }

  .nav-links.open {
    padding: 60px 20px 20px;
    gap: 16px;
  }

  .nav-links.open a {
    font-size: var(--font-lg);
  }
}

@media (max-width: 480px) {
  :root {
    --font-6xl: 2rem;
    --font-5xl: 1.75rem;
    --font-4xl: 1.5rem;
  }

  .hero {
    padding: 90px 0 50px;
  }

  .hero-content h1 {
    font-size: var(--font-2xl);
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .btn-lg {
    padding: 14px 20px;
    font-size: var(--font-sm);
  }

  .section-title {
    font-size: var(--font-xl);
  }

  .logo {
    gap: 6px;
  }

  .logo svg {
    width: 28px;
    height: 28px;
  }

  .logo span {
    font-size: var(--font-sm);
  }

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

/* ============================================
   AI CONSTRUCTOR
   ============================================ */
.ai-constructor {
  padding: var(--section-padding);
  background: var(--bg-dark-secondary);
}

.constructor-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
}

.constructor-progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.constructor-progress-bar .progress-step {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: var(--font-sm);
  white-space: nowrap;
}

.constructor-progress-bar .progress-step span:first-child {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-xs);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.constructor-progress-bar .progress-step.active span:first-child {
  background: var(--gradient-primary);
  border-color: var(--accent-blue);
  color: #fff;
}

.constructor-progress-bar .progress-step.completed span:first-child {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.constructor-progress-bar .progress-step.active,
.constructor-progress-bar .progress-step.completed {
  color: var(--text-primary);
}

.constructor-progress-bar .progress-line {
  width: 30px;
  height: 2px;
  background: var(--border-color);
  flex-shrink: 0;
}

.constructor-progress-bar .progress-line.active {
  background: var(--success);
}

.constructor-step {
  display: none;
}

.constructor-step.active {
  display: block;
}

.constructor-step h3 {
  text-align: center;
  font-size: var(--font-2xl);
  margin-bottom: 32px;
}

.step-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-top: -20px;
  margin-bottom: 32px;
}

/* Method cards */
.method-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.method-card {
  padding: 32px 24px;
  border-radius: 16px;
  border: 2px solid var(--border-color);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.method-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-glass);
}

.method-card.selected {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.method-card .method-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.method-card h4 {
  font-size: var(--font-lg);
  margin-bottom: 8px;
}

.method-card p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

/* Form elements */
.form-section {
  margin-bottom: 24px;
}

.form-section.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-label .required {
  color: var(--error);
}

.form-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: var(--font-base);
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-select:focus {
  border-color: var(--accent-blue);
  outline: none;
}

.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: var(--font-base);
  resize: vertical;
  min-height: 100px;
  transition: all var(--transition-base);
}

.form-textarea.large {
  min-height: 180px;
}

.form-textarea:focus {
  border-color: var(--accent-blue);
  outline: none;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* Category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.category-grid .category-card {
  padding: 16px 12px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.category-grid .category-card:hover {
  border-color: var(--border-color-hover);
}

.category-grid .category-card.selected {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
}

.category-grid .category-card .cat-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 6px;
}

.category-grid .category-card span:not(.cat-icon) {
  font-size: var(--font-xs);
  font-weight: 500;
}

/* Options grid */
.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.option-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
}

.option-checkbox:hover {
  border-color: var(--border-color-hover);
}

.option-checkbox input {
  accent-color: var(--accent-blue);
  width: 18px;
  height: 18px;
}

.option-checkbox input:checked + span {
  color: var(--accent-blue);
}

/* AI hint box */
.ai-hint {
  display: flex;
  gap: 16px;
  padding: 20px;
  margin-bottom: 24px;
  border-radius: 12px;
}

.ai-hint .hint-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.ai-hint .hint-text p {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  margin-top: 8px;
}

.ai-hint .hint-examples {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

/* Character counter */
.char-counter {
  text-align: right;
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: 6px;
}

.char-counter.valid {
  color: var(--success);
}

/* File dropzone */
.file-dropzone {
  padding: 40px 20px;
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.file-dropzone:hover,
.file-dropzone.dragover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.file-dropzone .dropzone-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.file-dropzone p {
  color: var(--text-secondary);
}

.file-dropzone .dropzone-hint {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: 8px;
  display: block;
}

.uploaded-files {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.uploaded-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
}

.uploaded-file .file-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.uploaded-file .file-icon {
  font-size: 1.2rem;
}

.uploaded-file .file-name {
  font-size: var(--font-sm);
}

.uploaded-file .file-size {
  color: var(--text-muted);
  font-size: var(--font-xs);
}

.uploaded-file .file-remove {
  color: var(--error);
  cursor: pointer;
  font-size: var(--font-lg);
  transition: transform var(--transition-fast);
}

.uploaded-file .file-remove:hover {
  transform: scale(1.2);
}

/* AI Chat Container */
.ai-chat-container {
  padding: 0;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 500px;
  min-height: 350px;
  position: relative;
}

.chat-messages {
  flex: 1;
  overflow-y: scroll;
  overflow-x: hidden;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
  /* Enable scrolling on all devices */
  pointer-events: auto;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Custom scrollbar for chat */
.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

.chat-message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: messageIn 0.3s ease;
}

@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-message.ai {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: 600;
  flex-shrink: 0;
}

.chat-message.ai .message-avatar {
  background: var(--gradient-primary);
  color: white;
}

.chat-message.user .message-avatar {
  background: var(--bg-dark-tertiary);
  color: var(--text-secondary);
}

.message-content {
  padding: 12px 16px;
  border-radius: 16px;
  line-height: 1.5;
  font-size: var(--font-sm);
  white-space: pre-wrap;
}

.chat-message.ai .message-content {
  background: var(--bg-dark-tertiary);
  border-top-left-radius: 4px;
}

.chat-message.user .message-content {
  background: var(--accent-blue);
  color: white;
  border-top-right-radius: 4px;
}

.chat-input-container {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-dark-secondary);
  position: relative;
  z-index: 10;
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: var(--font-sm);
  resize: none;
  font-family: inherit;
  cursor: text;
  pointer-events: auto;
}

.chat-input:focus {
  border-color: var(--accent-blue);
  outline: none;
}

.chat-send-btn {
  padding: 12px 24px;
  flex-shrink: 0;
}

.chat-typing {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  color: var(--text-muted);
  font-size: var(--font-xs);
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
.typing-dot:nth-child(3) { animation-delay: 0s; }

@keyframes typingBounce {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* AI Estimate in Chat */
.chat-estimate {
  background: var(--bg-dark-primary);
  border: 1px solid var(--accent-blue);
  border-radius: 12px;
  padding: 16px;
  margin-top: 12px;
}

.chat-estimate h4 {
  color: var(--accent-blue);
  margin-bottom: 12px;
  font-size: var(--font-sm);
}

.chat-estimate-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: var(--font-xs);
}

.chat-estimate-row:last-child {
  border-bottom: none;
}

.chat-estimate-row .label {
  color: var(--text-muted);
}

.chat-estimate-row .value {
  color: var(--text-primary);
  font-weight: 500;
}

/* AI Loading */
.ai-loading {
  text-align: center;
  padding: 40px 20px;
}

.ai-loading h3 {
  margin-bottom: 32px;
}

.loading-bar {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-dark-tertiary);
  overflow: hidden;
  margin-bottom: 32px;
}

.loading-fill {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  background: var(--gradient-primary);
  transition: width 0.5s ease;
}

.loading-steps {
  text-align: left;
  max-width: 300px;
  margin: 0 auto;
}

.loading-step {
  padding: 8px 0;
  color: var(--text-muted);
  font-size: var(--font-sm);
}

.loading-step.done {
  color: var(--success);
}

.loading-step.active {
  color: var(--accent-blue);
}

/* Estimate card */
.estimate-card {
  padding: 24px;
  border-radius: 16px;
  margin-bottom: 24px;
}

.estimate-card h4 {
  margin-bottom: 20px;
  font-size: var(--font-lg);
}

.estimate-content p {
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.estimate-content ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

.estimate-content ul li {
  list-style: disc;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.estimate-note {
  padding: 12px 16px;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  font-size: var(--font-sm);
  margin-top: 20px;
}

/* Consent checkbox */
.consent-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 0;
  cursor: pointer;
}

.consent-checkbox input {
  accent-color: var(--accent-blue);
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.consent-checkbox a {
  color: var(--accent-blue);
}

.consent-checkbox a:hover {
  text-decoration: underline;
}

/* Radio row */
.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.radio-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.radio-pill:hover {
  border-color: var(--border-color-hover);
}

.radio-pill input {
  accent-color: var(--accent-blue);
}

.radio-pill input:checked ~ span {
  color: var(--accent-blue);
}

/* Summary card */
.summary-card {
  padding: 24px;
  border-radius: 16px;
  margin-bottom: 24px;
}

.summary-card h4 {
  margin-bottom: 20px;
}

.summary-content .summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.summary-content .summary-row:last-child {
  border-bottom: none;
}

.summary-content .summary-label {
  color: var(--text-muted);
}

.summary-content .summary-value {
  font-weight: 500;
}

/* Success screen */
.success-screen {
  text-align: center;
  padding: 40px 20px;
}

.success-screen .success-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.success-screen h3 {
  font-size: var(--font-2xl);
  margin-bottom: 16px;
}

.success-screen .application-number {
  font-size: var(--font-lg);
  margin-bottom: 16px;
}

.success-screen p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.success-screen .success-note {
  color: var(--text-muted);
  font-size: var(--font-sm);
  margin-bottom: 32px;
}

/* Constructor nav */
/* Constructor nav in AI constructor section */
.ai-constructor .constructor-nav {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
  .constructor-wrapper {
    padding: 24px;
  }

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

  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .form-section.full-width {
    grid-column: span 1;
  }

  .constructor-progress-bar .progress-step span {
    width: 24px;
    height: 24px;
    font-size: 10px;
  }

  .constructor-progress-bar .progress-line {
    width: 16px;
  }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}