/* ============================================
   MODERN ISP WEBSITE - DESIGN SYSTEM
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Colors - Dark Theme */
  --color-primary: #bccc2c;
  --color-primary-light: #d4e03e;
  --color-primary-dark: #a9b825;
  --color-accent: #d4e03e;
  --color-bg-dark: #000000;
  --color-bg-dark-alt: #0A0A0A;
  --color-bg-card: rgba(255, 255, 255, 0.05);
  --color-bg-light: #FFFFFF;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B0B0B0;
  --color-text-dark: #1A1A1A;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #bccc2c 0%, #d4e03e 100%);
  --gradient-dark: linear-gradient(180deg, #000000 0%, #0A0A0A 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(188, 204, 44, 0.3) 0%, transparent 70%);

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

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 4rem;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 15px rgba(188, 204, 44, 0.3);
  --shadow-glow-strong: 0 0 25px rgba(188, 204, 44, 0.5);

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

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

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

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

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

/* Text Utilities */
.text-center {
  text-align: center;
}

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

/* ============================================
   GLASSMORPHISM EFFECTS
   ============================================ */
.glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ============================================
   NEON GLOW EFFECTS
   ============================================ */
.glow {
  box-shadow: var(--shadow-glow);
}

.glow-strong {
  box-shadow: var(--shadow-glow-strong);
}

.glow-border {
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 15px rgba(188, 204, 44, 0.3),
    inset 0 0 15px rgba(188, 204, 44, 0.05);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-large {
  padding: 3px 10px;
  font-size: var(--font-size-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.navbar-logo {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  display: flex;
  align-items: center;
  transition: opacity var(--transition-base);
}

.navbar-logo img {
  height: 40px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-logo:hover img {
  transform: scale(1.05);
}

.navbar-menu {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  align-items: center;
}

.navbar-link {
  font-weight: 500;
  position: relative;
  transition: color var(--transition-base);
}

.navbar-link:hover {
  color: var(--color-primary);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.navbar-link:hover::after {
  width: 100%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: var(--space-xs);
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: var(--gradient-glow);
  border-radius: 50%;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.5;
  }

  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.8;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: var(--space-2xl);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-price {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-cta {
  animation: fadeInUp 1s ease-out 0.6s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Slider */
.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  background-size: cover !important;
  background-position: center !important;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 12px;
}

.hero-slider-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.hero-slider-dots .dot:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: scale(1.2);
}

.hero-slider-dots .dot.active {
  background: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 10px rgba(188, 204, 44, 0.5);
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
}

.hero-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

/* ============================================
   FEATURE CARDS
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: #ffffff;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(188, 204, 44, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(188, 204, 44, 0.2);
  background: rgba(188, 204, 44, 0.05);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   PROMO SECTIONS
   ============================================ */
.promo-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin: var(--space-3xl) 0;
}

.promo-content h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.promo-content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.promo-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

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

.promo-image:hover img {
  transform: scale(1.05);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-container {
  max-width: 800px;
  margin: var(--space-2xl) auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid rgba(188, 204, 44, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(188, 204, 44, 0.15);
}

.faq-question {
  width: 100%;
  padding: var(--space-lg);
  background: transparent;
  color: #1a1a1a;
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.3px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-base);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  font-size: var(--font-size-xl);
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: #444;
  line-height: 1.8;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-dark-alt);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.footer-column h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

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

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--gradient-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================
   FLOATING ACTION BUTTON
   ============================================ */
.fab {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: none;
  /* Hidden as requested */
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  box-shadow: var(--shadow-glow);
  z-index: 999;
  transition: all var(--transition-base);
  animation: fabPulse 2s ease-in-out infinite;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow-strong);
}

@keyframes fabPulse {

  0%,
  100% {
    box-shadow: var(--shadow-glow);
  }

  50% {
    box-shadow: var(--shadow-glow-strong);
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
  :root {
    --font-size-6xl: 3rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }

  .navbar-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-2xl);
    transition: left var(--transition-base);
  }

  .navbar-menu.active {
    left: 0;
  }

  .navbar-toggle {
    display: flex;
  }

  .promo-section {
    grid-template-columns: 1fr;
  }

  .promo-section.reverse {
    direction: ltr;
  }

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

@media (max-width: 640px) {

  .container,
  .container-wide {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

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

  .section {
    padding: var(--space-2xl) 0;
  }

  .fab {
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
  }
}