/* ==========================================================================
   Dialogus - Official Support & Launcher Web Design System
   ========================================================================== */

:root {
  --bg-primary: #090B10;
  --bg-secondary: #0F131D;
  --bg-tertiary: #161B28;
  --card-bg: rgba(22, 27, 40, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(139, 92, 246, 0.4);
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --accent-purple: #8B5CF6;
  --accent-indigo: #6366F1;
  --accent-pink: #EC4899;
  --accent-blue: #38BDF8;
  --accent-green: #10B981;
  --accent-amber: #F59E0B;
  
  --grad-primary: linear-gradient(135deg, #8B5CF6 0%, #6366F1 50%, #EC4899 100%);
  --grad-glow: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 70%);
  --grad-card: linear-gradient(180deg, rgba(30, 36, 53, 0.6) 0%, rgba(15, 19, 29, 0.8) 100%);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(139, 92, 246, 0.3);
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Background Glowing Elements */
.bg-glow-1 {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.18) 0%, rgba(99, 102, 241, 0.08) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}

.bg-glow-2 {
  position: fixed;
  bottom: 10%;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

.bg-glow-3 {
  position: fixed;
  top: 40%;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.1) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  filter: blur(70px);
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #C4B5FD;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(9, 11, 16, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
  object-fit: cover;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  transition: var(--transition);
}

.lang-picker:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(139, 92, 246, 0.4);
}

.lang-select {
  background: transparent;
  color: var(--text-primary);
  border: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

.lang-select option {
  background: #111522;
  color: #FFFFFF;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: var(--grad-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--card-border);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: #FFFFFF;
  text-align: left;
  transition: var(--transition);
}

.btn-store:hover {
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.btn-store svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.btn-store-text small {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-store-text strong {
  display: block;
  font-size: 1.05rem;
  line-height: 1.1;
}

/* Hero Section */
.hero {
  padding: 160px 0 90px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Phone Mockup Frame */
.mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.mockup-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 520px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, rgba(236, 72, 153, 0.2) 50%, transparent 70%);
  filter: blur(50px);
  z-index: 0;
}

.phone-card {
  position: relative;
  z-index: 1;
  width: 340px;
  background: #0B0E16;
  border-radius: 40px;
  padding: 16px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8), var(--shadow-glow);
}

.phone-screen {
  background: #111522;
  border-radius: 28px;
  overflow: hidden;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 480px;
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.screen-lang-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  background: rgba(139, 92, 246, 0.2);
  color: #C4B5FD;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.chat-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.chat-bubble {
  max-width: 90%;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.45;
  animation: fadeIn 0.4s ease;
}

.chat-bubble.ai {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  background: linear-gradient(135deg, #7C3AED 0%, #4F46E5 100%);
  color: #FFFFFF;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.interactive-word {
  display: inline-block;
  cursor: pointer;
  padding: 1px 4px;
  border-radius: 4px;
  transition: var(--transition);
  border-bottom: 1.5px dotted var(--accent-purple);
}

.interactive-word:hover, .interactive-word.active {
  background: rgba(139, 92, 246, 0.35);
  color: #FFFFFF;
  transform: scale(1.05);
}

.word-popup-card {
  background: rgba(20, 26, 40, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.word-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.word-popup-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #F8FAFC;
}

.word-popup-pronounce {
  font-size: 0.75rem;
  color: #A78BFA;
  display: flex;
  align-items: center;
  gap: 4px;
}

.word-popup-desc {
  font-size: 0.78rem;
  color: #CBD5E1;
  line-height: 1.35;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Sections Common */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Feature Cards Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--card-hover-border);
  box-shadow: 0 15px 35px -10px rgba(139, 92, 246, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.feature-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Supported Languages Section */
.languages-box {
  background: var(--grad-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
}

.flags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.flag-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.flag-item:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateY(-3px);
}

.flag-emoji {
  font-size: 2rem;
}

.flag-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.flag-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Support & Contact Section */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.support-info-card {
  background: var(--grad-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.support-channels {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.channel-item:hover {
  border-color: rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.05);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-purple);
}

.channel-details {
  flex-grow: 1;
}

.channel-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.channel-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.channel-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Contact Form */
.contact-form-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 19, 29, 0.8);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

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

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--card-hover-border);
  background: rgba(30, 36, 53, 0.7);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--accent-purple);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* Legal Pages Styling */
.legal-wrapper {
  padding: 140px 0 100px;
  max-width: 800px;
  margin: 0 auto;
}

.legal-card {
  background: var(--grad-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.legal-card h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.legal-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.legal-content {
  color: var(--text-secondary);
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.legal-content h2 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-top: 16px;
}

.legal-content ul {
  padding-left: 24px;
}

/* Footer */
.footer {
  background: #06070B;
  border-top: 1px solid var(--card-border);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 320px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-col-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Toast Notifications */
.toast-msg {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(16, 185, 129, 0.95);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  z-index: 999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    align-items: center;
  }
  .hero-description {
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-chips {
    justify-content: center;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .nav-links {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .languages-box {
    padding: 24px;
  }
  .flags-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}