/* ==========================================================================
   Talkys Club - Official International Landing Website Stylesheet
   Theme: Luxury Dark Mode, Modern Glassmorphism & High-Contrast Typography
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #07070C;
  --bg-secondary: #0D0E17;
  --bg-card: #141624;
  --bg-card-border: #23263B;
  --primary: #A855F7;
  --primary-dark: #7C3AED;
  --primary-glow: rgba(168, 85, 247, 0.35);
  --cyan: #38BDF8;
  --pink: #EC4899;
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --glass-bg: rgba(20, 22, 36, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --radius-lg: 24dp;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #1E0B36 0%, #07070C 60%);
  min-height: 100vh;
}

/* ==========================================================================
   Typography & Utility Classes
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-main);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--primary) 70%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 7, 12, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 0 18px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.logo-icon-box {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--pink) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--primary-glow);
}

.logo-icon-box svg {
  width: 24px;
  height: 24px;
  fill: #FFFFFF;
}

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

.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

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

.btn-nav {
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--primary-glow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.5);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 160px 0 100px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-playstore {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: 14px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.btn-playstore:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 12px 30px var(--primary-glow);
}

.btn-playstore svg {
  width: 28px;
  height: 28px;
}

.play-text-box {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.play-subtitle {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.play-title {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}

.btn-secondary-outline {
  padding: 15px 28px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Hero Phone Mockup Showcase */
.hero-mockup-container {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-card {
  width: 320px;
  background: #0F101A;
  border: 2px solid var(--bg-card-border);
  border-radius: 40px;
  padding: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px var(--primary-glow);
  position: relative;
  overflow: hidden;
}

.phone-screen {
  background: #07070C;
  border-radius: 28px;
  padding: 20px 16px;
  text-align: center;
}

.phone-caller-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 16px auto;
  background: linear-gradient(135deg, var(--primary) 0%, var(--pink) 100%);
  padding: 4px;
  box-shadow: 0 0 25px var(--primary-glow);
}

.phone-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: #1F1D36;
}

.phone-caller-name {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}

.phone-call-status {
  font-size: 12px;
  color: #10B981;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.15);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.soundwave-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 36px;
  margin-bottom: 24px;
}

.wave-bar {
  width: 4px;
  background: var(--primary);
  border-radius: 4px;
  animation: wave 1.2s infinite ease-in-out alternate;
}

.wave-bar:nth-child(2) { animation-delay: 0.2s; }
.wave-bar:nth-child(3) { animation-delay: 0.4s; }
.wave-bar:nth-child(4) { animation-delay: 0.6s; }
.wave-bar:nth-child(5) { animation-delay: 0.8s; }

@keyframes wave {
  0% { height: 8px; opacity: 0.4; }
  100% { height: 32px; opacity: 1; }
}

.phone-action-btn {
  width: 56px;
  height: 56px;
  background: #EF4444;
  border-radius: 50%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

/* Floating Glass Cards */
.floating-glass-card {
  position: absolute;
  background: rgba(20, 22, 36, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 12px 18px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

.float-top-left {
  top: 40px;
  left: -40px;
}

.float-bottom-right {
  bottom: 40px;
  right: -30px;
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-title {
  font-size: 38px;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 12px 30px rgba(168, 85, 247, 0.15);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  background: rgba(168, 85, 247, 0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 26px;
}

.feature-card-title {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Privacy & Safety Section
   ========================================================================== */
.privacy-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.privacy-box {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 28px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.privacy-list {
  list-style: none;
  margin-top: 24px;
}

.privacy-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 15px;
  color: var(--text-secondary);
}

.privacy-item-icon {
  color: #10B981;
  font-weight: 800;
  font-size: 18px;
}

/* ==========================================================================
   How It Works (Steps)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
}

.step-number {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--pink) 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: 0 4px 14px var(--primary-glow);
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #040407;
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 340px;
}

.footer-col-title {
  font-size: 16px;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Layout Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-stats-row {
    justify-content: center;
  }
  .features-grid, .steps-grid {
    grid-template-columns: 1fr;
  }
  .privacy-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .nav-links {
    display: none;
  }
}