/* ============================================
   QCB - Quantum Cloud Banking
   Light Modern Design with Lime Accent
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Primary Colors - Clean Light Theme */
  --color-primary: #0a1628;
  --color-primary-light: #1a2d4a;
  
  /* Accent Color - Bright Lime Green (from logo) */
  --color-accent: #38f561;
  --color-accent-dark: #2dd04f;
  --color-accent-glow: rgba(56, 245, 97, 0.3);
  --color-accent-light: rgba(56, 245, 97, 0.1);
  
  /* Gradients */
  --gradient-accent: linear-gradient(135deg, #38f561 0%, #2dd04f 100%);
  --gradient-hero: linear-gradient(180deg, #ffffff 0%, #f8faf9 100%);
  --gradient-section: linear-gradient(180deg, #f8faf9 0%, #ffffff 100%);
  
  /* Text Colors */
  --color-text-primary: #0a1628;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-text-light: #a0aec0;
  --color-text-white: #ffffff;
  
  /* Background Colors */
  --color-bg-white: #ffffff;
  --color-bg-light: #f8faf9;
  --color-bg-gray: #f1f5f4;
  --color-bg-dark: #0a1628;
  --color-bg-darker: #050d17;
  
  /* Border & Effects */
  --border-light: rgba(10, 22, 40, 0.08);
  --border-medium: rgba(10, 22, 40, 0.12);
  --border-accent: rgba(56, 245, 97, 0.4);
  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.12);
  --shadow-accent: 0 8px 32px rgba(56, 245, 97, 0.25);
  
  /* Typography - System Fonts */
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing - Compact */
  --space-xs: 0.375rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 65ch;
  line-height: 1.6;
}

a {
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: var(--transition-base);
}

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

strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* Container */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  background: transparent;
  transition: var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.nav__logo img {
  height: 32px;
  width: auto;
}

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

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  padding: var(--space-xs) 0;
  transition: var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: #ffffff;
}

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

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

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: var(--space-md);
  padding: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

.lang-switcher__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.lang-switcher__btn:hover {
  color: #ffffff;
}

.lang-switcher__btn.active {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.lang-switcher__btn img {
  width: 18px;
  height: 14px;
  border-radius: 2px;
  object-fit: cover;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 80px 0 var(--space-lg);
  background: linear-gradient(135deg, #0a1628 0%, #162236 50%, #0d1f35 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 30%, rgba(56, 245, 97, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse at 20% 80%, rgba(56, 245, 97, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 560px;
}

.hero__content h1,
.hero__content p {
  color: #ffffff;
}

.hero__content p {
  color: rgba(255, 255, 255, 0.75);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  background: rgba(56, 245, 97, 0.15);
  border: 1px solid rgba(56, 245, 97, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.6s ease-out;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero__title span {
  display: block;
  color: var(--color-accent);
}

.hero__description {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* Hero Visual - QCB Logo Animation */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease-out 0.4s both;
}

.hero__logo-animation {
  position: relative;
  width: 100%;
  max-width: 350px;
  height: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero__logo-animation .hero-logo-img-t {
  width: 100%;
  max-width: 350px;
  height: auto;
  animation: floatTop 4s ease-in-out infinite;
}

.hero__logo-animation .hero-logo-img-b {
  width: 100%;
  max-width: 350px;
  height: auto;
  margin-top: -8px;
  animation: floatBottom 4s ease-in-out infinite;
}

.hero__logo-animation .hero-logo-bar {
  width: 100%;
  max-width: 500px;
  height: auto;
  margin-top: 15px;
  animation: barPulse 2s ease-in-out infinite;
}

@keyframes floatTop {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes floatBottom {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

@keyframes barPulse {
  0%, 100% {
    opacity: 1;
    transform: scaleX(1);
  }
  50% {
    opacity: 0.8;
    transform: scaleX(0.98);
  }
}

/* Scroll Indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  animation: fadeIn 1s ease-out 1s both;
  z-index: 1;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(56, 245, 97, 0.35);
  color: var(--color-text-primary);
}

.btn--outline {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
  color: #ffffff;
}

.btn--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.btn--dark:hover {
  background: var(--color-primary-light);
  color: var(--color-text-white);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section--white {
  background: var(--color-bg-white);
}

.section--light {
  background: var(--color-bg-light);
}

.section--gray {
  background: var(--color-bg-gray);
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-text-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.7);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

.section__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-xs);
}

.section--dark .section__label {
  color: var(--color-accent);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__description {
  font-size: 0.95rem;
  margin: 0 auto;
}

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.solution__content h2 {
  margin-bottom: var(--space-sm);
}

.solution__content p + p {
  margin-top: var(--space-xs);
}

/* Feature List */
.feature-list {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.feature-list__item:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
}

.feature-list__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
}

.feature-list__icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-accent-dark);
}

.feature-list__text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.stat {
  text-align: center;
  padding: var(--space-sm);
}

.stat__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-accent-dark);
  line-height: 1;
  margin-bottom: 4px;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.certifications {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm);
}

.cert-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-bg-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.cert-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
}

.cert-card__logo {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
}

.cert-card__logo img {
  max-width: 28px;
  max-height: 28px;
}

.cert-card__text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.3;
}

/* ============================================
   KEY FUNCTIONALITY
   ============================================ */
.functionality {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xs);
}

.func-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.func-item:hover {
  border-color: var(--border-accent);
  transform: translateX(2px);
}

.func-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
}

.func-item__icon svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-accent-dark);
}

.func-item__text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ============================================
   IAAS SECTION
   ============================================ */
.iaas__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.iaas__content h2 {
  margin-bottom: var(--space-sm);
}

.iaas__content p + p {
  margin-top: var(--space-xs);
}

/* Architecture */
.architecture {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ============================================
   ON-PREMISE SECTION
   ============================================ */
.on-premise__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.service-card {
  padding: var(--space-md);
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.service-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.service-card__icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-accent-dark);
}

.service-card__title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text-primary);
}

.service-card__text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.about__content p + p {
  margin-top: var(--space-xs);
}

.about__services {
  padding: var(--space-md);
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
}

.about__services h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.about__services ul {
  list-style: none;
}

.about__services li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  font-weight: 500;
  color: var(--color-text-primary);
  font-size: 0.85rem;
}

.about__services li:last-child {
  border-bottom: none;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}

.contact__form {
  background: var(--color-bg-white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text-primary);
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  transition: var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.contact__info {
  padding: var(--space-md);
}

.contact__info h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.contact__info p {
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}

/* Wasl Form - Submit Button States */
.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.submit-btn .btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Success & Error Messages */
.success-message, .error-message {
  text-align: center;
  padding: var(--space-lg);
  animation: fadeInMessage 0.5s ease-out;
}

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

.success-icon, .error-icon {
  margin-bottom: var(--space-sm);
}

.success-icon svg {
  filter: drop-shadow(0 4px 12px rgba(16, 185, 129, 0.4));
}

.success-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #10B981;
  margin: 0 0 var(--space-xs) 0;
}

.success-text {
  font-size: 0.95rem;
  color: var(--color-text-primary);
  margin: 0 0 4px 0;
}

.success-subtext {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.error-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #EF4444;
  margin: 0 0 var(--space-xs) 0;
}

.error-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-lg) 0 var(--space-md);
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--space-lg);
}

.footer__brand {
  max-width: 240px;
}

.footer__logo {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.footer__logo img {
  height: 24px;
}

.footer__text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

.footer__nav h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  color: var(--color-text-white);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 4px;
}

.footer__links a {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer__address {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  font-style: normal;
  line-height: 1.5;
}

.footer__address strong {
  color: var(--color-text-white);
}

.footer__bottom {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__bottom .lang-switcher {
  background: rgba(255, 255, 255, 0.1);
}

.footer__bottom .lang-switcher__btn {
  color: rgba(255, 255, 255, 0.6);
}

.footer__bottom .lang-switcher__btn.active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-white);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  51% {
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }
  
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }
  
  .hero__content {
    max-width: 100%;
  }
  
  .hero__actions {
    justify-content: center;
  }
  
  .hero__visual {
    order: -1;
  }
  
  .hero__logo-animation {
    max-width: 350px;
    height: 150px;
  }
  
  .solution__grid,
  .iaas__grid,
  .about__grid,
  .contact__grid,
  .on-premise__grid,
  .architecture__grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
    background: var(--color-bg-dark);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
  }
  
  .nav__menu.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav .lang-switcher {
    position: absolute;
    top: 100%;
    right: var(--space-md);
    margin: var(--space-xs) 0;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__brand {
    max-width: 100%;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}