/* Hot Line - Digital Innovation Studio */
/* Dark Theme with Gradient Accents */

:root {
  /* Modern Color System */
  --primary-bg: #0F0F23;
  --secondary-bg: #1A1A2E;
  --card-bg: #16213E;
  --surface-bg: #0E3460;
  --text-primary: #FFFFFF;
  --text-secondary: #E8E8E8;
  --text-muted: #A0A0A0;
  --text-accent: #FF6B9D;
  
  /* Modern Accent Colors */
  --accent-primary: #FF6B9D;
  --accent-secondary: #4ECDC4;
  --accent-tertiary: #45B7D1;
  --accent-warm: #FFA726;
  --accent-cool: #AB47BC;
  --accent-success: #66BB6A;
  --accent-warning: #FFA726;
  --accent-error: #EF5350;
  
  /* Modern Gradients */
  --gradient-primary: linear-gradient(135deg, #FF6B9D 0%, #4ECDC4 50%, #45B7D1 100%);
  --gradient-secondary: linear-gradient(135deg, #AB47BC 0%, #FF6B9D 100%);
  --gradient-accent: linear-gradient(135deg, #FFA726 0%, #FF6B9D 100%);
  --gradient-cool: linear-gradient(135deg, #45B7D1 0%, #4ECDC4 100%);
  --gradient-warm: linear-gradient(135deg, #FFA726 0%, #FF6B9D 100%);
  --gradient-bg: linear-gradient(135deg, #0F0F23 0%, #1A1A2E 50%, #16213E 100%);
  --gradient-card: linear-gradient(135deg, #16213E 0%, #0E3460 100%);
  
  /* Glassmorphism Effects */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Borders & Shadows */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-light: rgba(255, 255, 255, 0.2);
  --shadow-primary: 0 10px 30px rgba(255, 107, 157, 0.2);
  --shadow-secondary: 0 10px 30px rgba(78, 205, 196, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 20px 40px rgba(255, 107, 157, 0.25);
  --shadow-glow: 0 0 20px rgba(255, 107, 157, 0.3);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

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

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

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

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

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--spacing-sm);
  background: var(--accent-green);
  color: var(--primary-bg);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-base);
  box-shadow: var(--glass-shadow);
}

.header--hidden {
  transform: translateY(-100%);
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  position: relative;
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  font-weight: 800;
  font-size: var(--font-size-xl);
}

.logo__icon {
  width: 40px;
  height: 40px;
  transition: var(--transition-base);
}

.logo__icon:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.logo__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo__text--primary {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  line-height: 1;
}

.logo__text--secondary {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
  font-size: var(--font-size-lg);
  line-height: 1;
}

/* Navigation */
.nav__menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav__link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav__icon {
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

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

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

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

.nav__dropdown {
  position: relative;
}

.nav__link--dropdown {
  cursor: pointer;
}

.nav__arrow {
  transition: var(--transition-fast);
}

.nav__dropdown:hover .nav__arrow {
  transform: rotate(180deg);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 48px;
  height: 48px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
  z-index: 1001;
}

.nav__toggle-line {
  width: 100%;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
  transform-origin: center;
}

.nav__toggle:hover {
  background: var(--glass-bg);
}

.nav__toggle:hover .nav__toggle-line {
  background: var(--accent-primary);
}

/* Burger menu animation */
.nav__toggle--active .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav__toggle--active .nav__toggle-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle--active .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  font-family: inherit;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-primary);
  border: 1px solid var(--glass-border);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background: var(--gradient-secondary);
}

.btn--secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn--large {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
}

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

.btn__icon {
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: translateX(2px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-bg);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 107, 157, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(78, 205, 196, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(69, 183, 209, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.hero__title--primary {
  color: var(--text-primary);
}

.hero__title--accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero__underline {
  width: 200px;
  height: 4px;
  background: var(--gradient-primary);
  margin: var(--spacing-sm) 0 var(--spacing-lg);
  border-radius: var(--radius-sm);
}

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

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

/* Services Grid in Hero */
.hero__services {
  display: flex;
  justify-content: center;
  align-items: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 400px;
}

.service-card {
  background: var(--gradient-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  transition: var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: var(--accent-green);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--primary-bg);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.service-card__icon-svg {
  width: 24px;
  height: 24px;
  color: var(--primary-bg);
}

.service-card__icon--cloud {
  background: var(--gradient-cool);
}

.service-card__icon--security {
  background: var(--gradient-warm);
}

.service-card__icon--performance {
  background: var(--gradient-accent);
}

.service-card__icon--mobile {
  background: var(--gradient-secondary);
}

.service-card__icon--web {
  background: var(--gradient-primary);
}

.service-card__label {
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.service-card__title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

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

.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;
}

/* About Section */
.about {
  padding: var(--spacing-3xl) 0;
  background: var(--secondary-bg);
}

.about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.about__card {
  background: var(--gradient-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

.about__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

.about__number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.about__label {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: 500;
}

/* Services Section */
.services {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
}

.services__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.service-item {
  background: var(--gradient-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.service-item:hover::before {
  transform: scaleX(1);
}

.service-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

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

.service-item__icon-svg {
  width: 32px;
  height: 32px;
  color: var(--text-primary);
}

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

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

/* Solutions Section */
.solutions {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
}

.solutions__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.solution-item {
  background: var(--gradient-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

.solution-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.solution-item:hover::before {
  transform: scaleX(1);
}

.solution-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

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

.solution-item__icon-svg {
  width: 48px;
  height: 48px;
  color: var(--text-primary);
}

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

.solution-item__description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.solution-item__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.solution-item__features li {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  position: relative;
  padding-left: var(--spacing-md);
}

.solution-item__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 600;
}

.solutions__cta {
  text-align: center;
  background: var(--gradient-card);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

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

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

/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--secondary-bg);
}

.contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-xl);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

.contact__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

.contact__icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-bg);
}

.contact__icon-svg {
  width: 24px;
  height: 24px;
  color: var(--primary-bg);
}

.contact__details h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

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

/* Contact Form */
.contact__form {
  background: var(--gradient-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

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

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

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  background: var(--glass-bg);
  color: var(--text-primary);
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.2);
  background: var(--surface-bg);
}

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

/* Footer */
.footer {
  background: var(--gradient-bg);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.footer__brand {
  max-width: 300px;
}

.footer__description {
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
  line-height: 1.6;
}

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

.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

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

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
}

.social__link {
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-base);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.social__icon {
  width: 20px;
  height: 20px;
  transition: var(--transition-fast);
}

.social__link:hover {
  background: var(--gradient-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .contact__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 100px;
  }
  
  .nav__container {
    padding: 0 var(--spacing-sm);
  }
  
  .nav__actions {
    gap: var(--spacing-sm);
  }
  
  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: var(--primary-bg);
    flex-direction: column;
    padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow-y: auto;
    border: none;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
  }
  
  .nav__menu--open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  /* Add overlay effect when menu is open */
  .nav__menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
      rgba(255, 107, 157, 0.05) 0%, 
      rgba(78, 205, 196, 0.05) 50%, 
      rgba(69, 183, 209, 0.05) 100%);
    pointer-events: none;
    z-index: -1;
  }
  
  .nav__menu li {
    width: 100%;
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.3s ease;
  }
  
  .nav__menu--open li {
    opacity: 1;
    transform: translateX(0);
  }
  
  .nav__menu--open li:nth-child(1) { transition-delay: 0.1s; }
  .nav__menu--open li:nth-child(2) { transition-delay: 0.15s; }
  .nav__menu--open li:nth-child(3) { transition-delay: 0.2s; }
  .nav__menu--open li:nth-child(4) { transition-delay: 0.25s; }
  .nav__menu--open li:nth-child(5) { transition-delay: 0.3s; }
  
  .nav__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 500;
    min-height: 64px;
    transition: var(--transition-fast);
    border: 1px solid var(--glass-border);
    background: var(--card-bg);
  }
  
  .nav__link:hover,
  .nav__link:focus {
    background: var(--surface-bg);
    border-color: var(--accent-primary);
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.4);
    color: var(--accent-primary);
  }
  
  .nav__link:active {
    transform: translateX(4px) scale(0.98);
  }
  
  .nav__link::after {
    display: none;
  }
  
  .nav__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .btn__text {
    display: none;
  }
  
  .btn {
    padding: var(--spacing-sm);
    min-width: 48px;
    justify-content: center;
  }
  
  .logo__icon {
    width: 32px;
    height: 32px;
  }
  
  .logo__text--primary,
  .logo__text--secondary {
    font-size: var(--font-size-base);
  }
  
  .hero__title {
    font-size: var(--font-size-4xl);
  }
  
  .hero__actions {
    justify-content: center;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .service-card__icon-svg {
    width: 20px;
    height: 20px;
  }
  
  .about__grid {
    grid-template-columns: 1fr;
  }
  
  .services__grid {
    grid-template-columns: 1fr;
  }
  
  .solutions__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav__container {
    padding: 0 var(--spacing-xs);
  }
  
  .nav__menu {
    padding: calc(80px + var(--spacing-md)) var(--spacing-sm) var(--spacing-md);
    width: 100vw;
    height: 100vh;
    background: var(--primary-bg);
  }
  
  .nav__link {
    padding: var(--spacing-md) var(--spacing-sm);
    min-height: 56px;
    font-size: var(--font-size-base);
    gap: var(--spacing-sm);
  }
  
  .nav__icon {
    width: 20px;
    height: 20px;
  }
  
  .nav__toggle {
    width: 44px;
    height: 44px;
  }
  
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-card__icon-svg {
    width: 18px;
    height: 18px;
  }
  
  .service-item__icon-svg {
    width: 28px;
    height: 28px;
  }
  
  .solution-item__icon-svg {
    width: 40px;
    height: 40px;
  }
  
  .contact__icon-svg {
    width: 20px;
    height: 20px;
  }
  
  .social__icon {
    width: 18px;
    height: 18px;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 200px;
  }
  
  .btn__icon {
    width: 14px;
    height: 14px;
  }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
  .nav__link {
    min-height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .nav__toggle {
    min-width: 48px;
    min-height: 48px;
  }
  
  .btn {
    min-height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Focus States */
.btn:focus-visible,
.nav__link:focus-visible,
.form__input:focus-visible,
.form__textarea:focus-visible,
.social__link:focus-visible,
.nav__toggle:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

/* Print Styles */
@media print {
  .header,
  .footer,
  .hero__actions,
  .contact__form {
    display: none;
  }
  
  .hero {
    padding-top: var(--spacing-md);
  }
  
  * {
    color: black !important;
    background: white !important;
  }
}