/* CSS Design System for ITnow.gr */

:root {
  /* Colors */
  --bg-primary: #0b132b;
  --bg-secondary: #1c2541;
  --bg-tertiary: #3a506b;
  
  --accent: #00f5d4;
  --accent-rgb: 0, 245, 212;
  --accent-glow: rgba(0, 245, 212, 0.15);
  
  --urgency: #ff5400;
  --urgency-hover: #ff6e24;
  
  --viber: #7360f2;
  --viber-dark: #593c8f;
  
  --text-primary: #ffffff;
  --text-secondary: #8d99ae;
  --text-muted: #6c757d;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(28, 37, 65, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  /* Fonts & Shadows */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  
  --transition-speed: 0.3s;
}

/* Partner/Viber Mode Overrides */
body.theme-partner {
  --accent: #9d4edd;
  --accent-rgb: 157, 78, 221;
  --accent-glow: rgba(157, 78, 221, 0.15);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-speed) ease;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

img, svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* Grid Utilities */
.section {
  padding: 80px 0;
}

.section-dark {
  background-color: #070d1e;
}

.section-header {
  margin-bottom: 50px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 15px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: 10px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-accent {
  background-color: var(--accent);
  color: #0b132b;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.3);
}

.btn-urgency {
  background-color: var(--urgency);
  color: white;
}

.btn-urgency:hover {
  background-color: var(--urgency-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 84, 0, 0.3);
}

.btn-viber {
  background-color: var(--viber);
  color: white;
}

.btn-viber:hover {
  background-color: var(--viber-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(115, 96, 242, 0.3);
}

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

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

.icon {
  width: 20px;
  height: 20px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.badge-urgency {
  background-color: rgba(255, 84, 0, 0.15);
  color: var(--urgency);
  border: 1px solid rgba(255, 84, 0, 0.3);
}

.badge-accent {
  background-color: rgba(var(--accent-rgb), 0.15);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
}

/* Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-speed);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
}

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

.logo-now {
  color: var(--accent);
}

.logo-dot {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  gap: 30px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-link:hover {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.burger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.burger-menu span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.2s ease;
}

/* Hero Section */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent) 0%, #00b4d8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 35px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Glowing Visual and Floating Support Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.glow-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
}

.glow-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.2) 0%, rgba(var(--bg-primary), 0) 70%);
  border-radius: 50%;
  animation: pulse-glow 4s infinite alternate;
}

.support-card-floating {
  position: relative;
  background: rgba(28, 37, 65, 0.85);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.support-card-floating .card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 15px;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.support-card-floating .card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.support-card-floating .line {
  height: 10px;
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 0;
  display: flex;
  align-items: center;
}

.support-card-floating .line.loading::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 40%;
  background-color: var(--accent);
  border-radius: 5px;
  animation: loading-bar 2s infinite ease-in-out;
}

.support-card-floating .line.success {
  background: none;
  color: var(--accent);
  font-weight: 600;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 25px;
}

.step-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px 25px;
  transition: all var(--transition-speed);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 10px 20px rgba(var(--accent-rgb), 0.05);
}

.step-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 15px;
  opacity: 0.8;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Toggle Switch Bar */
.audience-toggle-bar {
  background-color: rgba(28, 37, 65, 0.4);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  position: sticky;
  top: 70px;
  z-index: 900;
  backdrop-filter: blur(8px);
}

.toggle-container {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.toggle-btn.active {
  background-color: var(--accent);
  color: #0b132b;
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.2);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.service-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  transition: all var(--transition-speed);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card.flagship {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.05);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.1);
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.service-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 25px;
  flex-grow: 1;
}

.service-price {
  font-size: 1.15rem;
  color: var(--text-primary);
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.service-price strong {
  font-size: 1.8rem;
  color: var(--accent);
}

.vat {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Pricing Highlights */
.pricing-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  background-color: rgba(28, 37, 65, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
}

.highlight-box h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.highlight-box .price-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 5px;
}

.highlight-box .desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Partner Benefits */
.partner-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.benefit-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 35px 25px;
  text-align: center;
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.benefit-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.benefit-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.partner-cta-box {
  background-color: rgba(115, 96, 242, 0.08);
  border: 1px solid rgba(115, 96, 242, 0.3);
  border-radius: 16px;
  padding: 50px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.partner-cta-box h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.partner-cta-box p {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 1.05rem;
}

/* Contact Section & Form */
.contact-container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}

.contact-text {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method-link {
  display: flex;
  align-items: center;
  gap: 15px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 12px;
  transition: all var(--transition-speed);
}

.contact-method-link:not(.no-hover):hover {
  transform: translateX(5px);
  border-color: var(--accent);
}

.method-icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.viber-bg { background-color: rgba(115, 96, 242, 0.15); color: #7360f2; }
.phone-bg { background-color: rgba(255, 84, 0, 0.15); color: var(--urgency); }
.email-bg { background-color: rgba(0, 245, 212, 0.15); color: #00f5d4; }

.contact-method-link div span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Form Styles */
.contact-form-wrapper {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  color: white;
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.15);
}

.form-result {
  font-size: 0.9rem;
  margin-top: 10px;
  text-align: center;
  border-radius: 6px;
}

.form-result.success {
  color: #2ec4b6;
}

.form-result.error {
  color: #e63946;
}

/* PWA Banner */
.pwa-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 20px;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.pwa-banner-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.pwa-banner-buttons {
  display: flex;
  gap: 10px;
}

/* Footer */
.main-footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* Helper Link & Download Styles */
.text-link {
  color: var(--accent);
  text-decoration: underline;
  font-weight: 600;
  transition: color var(--transition-speed);
}

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

.hero-download-helper {
  margin-top: -20px;
  margin-bottom: 30px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Service Tags */
.service-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tag {
  background-color: rgba(0, 245, 212, 0.08);
  border: 1px solid rgba(0, 245, 212, 0.2);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-speed);
}

body.theme-partner .tag {
  background-color: rgba(157, 78, 221, 0.08);
  border: 1px solid rgba(157, 78, 221, 0.2);
}

/* Chat Mock Mockup & Animations */
.chat-mock {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
  justify-content: center;
}

.chat-bubble {
  max-width: 85%;
  padding: 8px 14px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.4;
  opacity: 0;
  animation: chat-sequence 12s infinite ease-in-out;
}

.chat-bubble.client {
  align-self: flex-start;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
}

.chat-bubble.agent {
  align-self: flex-end;
  background-color: rgba(0, 245, 212, 0.08);
  color: var(--accent);
  border-bottom-right-radius: 2px;
  border: 1px solid rgba(0, 245, 212, 0.2);
}

body.theme-partner .chat-bubble.agent {
  background-color: rgba(157, 78, 221, 0.08);
  color: var(--accent);
  border: 1px solid rgba(157, 78, 221, 0.2);
}

.chat-bubble.agent.success {
  background-color: rgba(0, 245, 212, 0.15);
  font-weight: 600;
}

body.theme-partner .chat-bubble.agent.success {
  background-color: rgba(157, 78, 221, 0.15);
}

/* Staggered delays for the conversation flow */
.chat-bubble:nth-child(1) { animation-delay: 0s; }
.chat-bubble:nth-child(2) { animation-delay: 2s; }
.chat-bubble:nth-child(3) { animation-delay: 4.5s; }
.chat-bubble:nth-child(4) { animation-delay: 6.5s; }

@keyframes chat-sequence {
  0% { opacity: 0; transform: translateY(8px); }
  4% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; transform: translateY(0); }
  84% { opacity: 0; transform: translateY(-8px); }
  100% { opacity: 0; }
}

/* Keyframes */
@keyframes pulse-glow {
  0% { transform: translate(-50%, -50%) scale(0.95); opacity: 0.7; }
  100% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.9; }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes loading-bar {
  0% { left: -40%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

/* Responsive / Media Queries */
@screen-tablet {
  /* Dynamic custom responsive breakpoints built manually for vanilla CSS */
}

@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions, .hero-trust {
    justify-content: center;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .partner-benefits {
    grid-template-columns: 1fr;
  }
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.6rem;
    overflow-wrap: break-word;
    word-wrap: break-word;
  }
  .hero-title {
    font-size: 2.2rem;
    overflow-wrap: break-word;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-trust {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
  }
  .hero-download-helper {
    text-align: center;
    margin-top: -10px;
    margin-bottom: 25px;
  }
  .nav-menu {
    display: none; /* JS will toggle class 'active' */
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu.active {
    display: flex;
  }
  .burger-menu {
    display: flex;
  }
  .hide-mobile {
    display: none !important;
  }
  .pricing-highlights {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
}