/* CSS Custom Properties for Theme Management */
:root {
  /* Dark theme (default) */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-hover: #5855ea;
  --border-color: #475569;
  --shadow: rgba(0, 0, 0, 0.5);
  --card-bg: #1e293b;
  --header-bg: rgba(15, 23, 42, 0.8);
  
  /* Spacing system */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 70px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow: rgba(0, 0, 0, 0.1);
  --card-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.8);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Section */
.section {
  padding: var(--spacing-xxl) 0;
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--header-bg);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: background-color var(--transition-normal);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav__logo img {
  height: 48px;
  width: auto;
  display: block;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: var(--accent-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  transform: scale(1.05);
}

.lang-toggle {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.lang-toggle:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

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

.nav__toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  transition: all var(--transition-normal);
}

/* Mobile Menu Overlay */
.nav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.nav__overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Main Content */
.main {
  margin-top: var(--header-height);
}

/* Hero Section with Water Animation */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, 
    var(--bg-primary) 0%, 
    var(--bg-secondary) 50%,
    rgba(99, 102, 241, 0.1) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  height: 100%;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero__animation {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
}

#water-canvas {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
  background: transparent;
}

.code-boat {
  position: absolute;
  background: var(--card-bg);
  border: 2px solid var(--accent-primary);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
  box-shadow: 0 8px 32px var(--shadow);
  cursor: grab;
  user-select: none;
  z-index: 10;
  transition: box-shadow 0.2s ease;
  transform-origin: center;
  will-change: transform;
}

.code-boat:active {
  cursor: grabbing;
  box-shadow: 0 12px 40px var(--shadow);
}

.code-boat:active {
  transform: scale(1.05) !important;
}

.code-line {
  margin: 2px 0;
  white-space: nowrap;
}

/* Services Section with Lamp Effect */
.services {
  background-color: var(--bg-secondary);
  position: relative;
  transition: all var(--transition-slow);
}

.services.lamp-on {
  background: radial-gradient(ellipse 800px 600px at center top, 
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0.08) 30%,
    rgba(255, 255, 255, 0.03) 50%,
    var(--bg-secondary) 80%
  );
}

[data-theme="light"] .services.lamp-on {
  background: radial-gradient(ellipse 800px 600px at center top, 
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.6) 30%,
    rgba(255, 255, 255, 0.3) 50%,
    var(--bg-secondary) 80%
  );
}

.services__lamp-container {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.lamp {
  position: relative;
  width: 120px;
  height: 150px;
}

.lamp__cord {
  width: 3px;
  height: 60px;
  background: var(--text-muted);
  margin: 0 auto;
  position: relative;
  z-index: 3;
}


.lamp__bulb {
  width: 40px;
  height: 50px;
  background: linear-gradient(135deg, #504018, #795c2a);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  position: relative;
  margin: 0 auto;
  box-shadow: 0 0 10px rgba(80, 64, 24, 0.2);
  transition: all var(--transition-normal);
  z-index: 1;
}

.lamp__bulb::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 12px;
  width: 15px;
  height: 15px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: rotate(-20deg);
}

.lamp__bulb::after {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: #666;
  border-radius: 50%;
}

.lamp.on .lamp__bulb {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 0 80px rgba(251, 191, 36, 0.9),
              0 0 120px rgba(251, 191, 36, 0.6),
              0 0 160px rgba(251, 191, 36, 0.3);
  animation: lampFlicker 0.08s ease-in-out 20, lampPulse 1.5s ease-in-out infinite 1.6s;
}

.lamp__light {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  background: radial-gradient(ellipse, 
    rgba(255, 255, 255, 0.1) 0%, 
    transparent 70%
  );
  border-radius: 50%;
  transition: all var(--transition-slow);
  pointer-events: none;
}

.lamp.on .lamp__light {
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, 
    rgba(255, 255, 255, 0.2) 0%, 
    rgba(255, 255, 255, 0.1) 30%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 70%
  );
}

[data-theme="light"] .lamp.on .lamp__light {
  background: radial-gradient(ellipse, 
    rgba(255, 255, 255, 0.8) 0%, 
    rgba(255, 255, 255, 0.5) 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
}

@keyframes lampFlicker {
  0%, 100% { 
    box-shadow: 0 0 80px rgba(251, 191, 36, 0.9),
                0 0 120px rgba(251, 191, 36, 0.6),
                0 0 160px rgba(251, 191, 36, 0.3);
  }
  25%, 75% { 
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.4),
                0 0 50px rgba(251, 191, 36, 0.2),
                0 0 70px rgba(251, 191, 36, 0.1);
  }
  50% { 
    box-shadow: 0 0 100px rgba(251, 191, 36, 1),
                0 0 140px rgba(251, 191, 36, 0.7),
                0 0 180px rgba(251, 191, 36, 0.4);
  }
}

@keyframes lampPulse {
  0%, 100% { 
    box-shadow: 0 0 80px rgba(251, 191, 36, 0.9),
                0 0 120px rgba(251, 191, 36, 0.6),
                0 0 160px rgba(251, 191, 36, 0.3);
  }
  50% { 
    box-shadow: 0 0 120px rgba(251, 191, 36, 1),
                0 0 180px rgba(251, 191, 36, 0.8),
                0 0 240px rgba(251, 191, 36, 0.5);
  }
}

.services__content {
  position: relative;
  z-index: 5;
  opacity: 0.3;
  transition: opacity var(--transition-slow);
}

.services.lamp-on .services__content {
  opacity: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: var(--font-size-base);
}

.btn--primary {
  background-color: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow);
}

.btn--secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn--secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn--outline {
  background-color: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn--outline:hover {
  background-color: var(--accent-primary);
  color: white;
}

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

/* Services Grid */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.service__card {
  background-color: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  text-align: center;
}

.service__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--shadow);
  border-color: var(--accent-primary);
}

.service__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.service__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.service__list {
  color: var(--text-secondary);
}

.service__list li {
  margin-bottom: var(--spacing-xs);
  position: relative;
  padding-left: var(--spacing-md);
}

.service__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

/* Portfolio Section */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio__item {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.portfolio__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px var(--shadow);
}

.portfolio__image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.portfolio__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio__item:hover .portfolio__image img {
  transform: scale(1.05);
}

.portfolio__content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.portfolio__description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.portfolio__demo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  margin-top: auto;
}

.portfolio__demo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, var(--accent-hover), var(--accent-primary));
}

/* Process Section */
.process {
  background-color: var(--bg-secondary);
}

.process__container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.process__step {
  text-align: center;
  padding: var(--spacing-lg);
  flex: 1;
  min-width: 200px;
  position: relative;
}

.process__icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.process__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.process__description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.process__progress {
  flex: 0 0 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process__progress-bar {
  width: 100px;
  height: 6px;
  background: linear-gradient(90deg, 
    var(--accent-primary) 0%, 
    var(--accent-secondary) 50%, 
    var(--accent-primary) 100%
  );
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.process__progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.4) 50%, 
    transparent 100%
  );
  animation: progressFlow 2s ease-in-out infinite;
}

@keyframes progressFlow {
  0%, 100% {
    left: -100%;
  }
  50% {
    left: 100%;
  }
}

/* Pricing Section */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.pricing__card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
}

.pricing__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px var(--shadow);
}

.pricing__card--featured {
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.pricing__card--featured .pricing__price {
  position: relative;
}

.pricing__original-price {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  text-decoration: line-through;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.pricing__discounted-price {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--accent-primary);
  text-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.pricing__discount-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.pricing__title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.pricing__price {
  margin-bottom: var(--spacing-lg);
}

.pricing__currency {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.pricing__amount {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--accent-primary);
}

.pricing__features {
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.pricing__features li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-md);
}

.pricing__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

/* About Section */
.about__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
}

.typing-text-container {
  position: relative;
  display: inline-block;
}

.typed-text {
  color: var(--text-secondary);
}

.typing-cursor {
  color: var(--accent-primary);
  font-weight: bold;
  margin-left: 2px;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.typing-cursor.blinking {
  animation: cursorBlink 1s infinite;
}

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

/* Contact Section */
.contact {
  background-color: var(--bg-secondary);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: start;
}

.contact__info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  text-align: left;
  flex-direction: row;
  border: none;
  box-shadow: none;
}

.contact__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px var(--shadow);
}

.contact__icon {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 0;
  flex-shrink: 0;
}

.contact__details h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact__details p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

.contact__details a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  font-weight: 500;
}

.contact__details a:hover {
  color: var(--accent-primary);
}

.contact__form {
  width: 100%;
}

.contact__form-container {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: none;
  box-shadow: none;
}

.form__group {
  margin-bottom: var(--spacing-md);
}

.form__label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form__input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form__input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form__error {
  display: block;
  color: #ef4444;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

/* Contact Form Button Animation */
.btn--sending {
  position: relative;
  overflow: hidden;
  pointer-events: none;
}

.btn--sending::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10px;
  width: 20px;
  height: 20px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/></svg>') no-repeat center;
  background-size: contain;
  transform: translateY(-50%) translateX(-100px);
  animation: sendMessage 3s ease-in-out;
}

@keyframes sendMessage {
  0% { transform: translateY(-50%) translateX(-100px) rotate(0deg); }
  50% { transform: translateY(-50%) translateX(50px) rotate(180deg); }
  100% { transform: translateY(-50%) translateX(200px) rotate(360deg); }
}

/* Floating Notification */
.floating-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
  z-index: 10000;
  transform: translateX(400px);
  transition: transform 0.5s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.floating-notification.show {
  transform: translateX(0);
}

.floating-notification::before {
  content: '✓';
  font-weight: bold;
  font-size: var(--font-size-lg);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
}

.footer__content {
  text-align: center;
}

.footer__nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.footer__link {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent-primary);
}

.footer__copyright {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-xl);
    transition: left var(--transition-normal);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
  }
  
  [data-theme="light"] .nav__menu {
    background: rgba(255, 255, 255, 0.8);
  }
  
  .nav__menu.active {
    left: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
    margin-bottom: var(--spacing-xl);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .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(7px, -6px);
  }
  
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .hero__content {
    order: 2;
  }
  
  .hero__animation {
    order: 1;
    min-height: 300px;
  }
  
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .hero__buttons {
    justify-content: center;
  }
  
  .section__title {
    font-size: var(--font-size-3xl);
  }
  
  .services__grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio__grid {
    grid-template-columns: 1fr;
  }
  
  .process__container {
    flex-direction: column;
  }
  
  .process__progress {
    flex: 0 0 50px;
    transform: rotate(90deg);
  }
  
  .process__progress-bar {
    width: 50px;
  }
  
  .pricing__grid {
    grid-template-columns: 1fr;
  }
  
  .pricing__card--featured {
    transform: none;
  }
  
  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .contact__info {
    grid-template-columns: 1fr;
    margin-bottom: var(--spacing-lg);
  }
  
  .contact__item {
    text-align: center;
    flex-direction: column;
  }
  
  .contact__icon {
    margin-bottom: var(--spacing-sm);
  }
  
  .footer__nav {
    gap: var(--spacing-md);
  }
  
  .lamp {
    width: 80px;
    height: 100px;
  }
  
  .lamp__bulb {
    width: 30px;
    height: 35px;
  }
  
  .lamp__cord {
    height: 40px;
  }
  
  .lamp.on .lamp__light {
    width: 600px;
    height: 400px;
    max-width: 95vw;
  }
  
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .nav__container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero__buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .hero__animation {
    min-height: 250px;
  }
  
  .lamp {
    width: 60px;
    height: 80px;
  }
  
  .lamp__bulb {
    width: 25px;
    height: 30px;
  }
}

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

.hero__content {
  animation: fadeInUp 0.8s ease-out;
}

.hero__animation {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Smooth scrolling offset for fixed header */
.section {
  scroll-margin-top: var(--header-height);
}

/* RTL Support */
[dir="rtl"] .nav__list {
  direction: rtl;
}

[dir="rtl"] .hero__container {
  direction: rtl;
}

[dir="rtl"] .service__list li {
  padding-right: var(--spacing-md);
  padding-left: 0;
}

[dir="rtl"] .service__list li::before {
  right: 0;
  left: auto;
}

[dir="rtl"] .pricing__features {
  text-align: right;
}

[dir="rtl"] .pricing__features li {
  padding-right: var(--spacing-md);
  padding-left: 0;
}

[dir="rtl"] .pricing__features li::before {
  right: 0;
  left: auto;
}

[dir="rtl"] .nav__link::after {
  right: 0;
  left: auto;
}

[dir="rtl"] .nav__menu {
  right: -100%;
  left: auto;
}

[dir="rtl"] .nav__menu.active {
  right: 0;
  left: auto;
}