@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0b10;
  --bg-secondary: #11131e;
  --bg-tertiary: #161929;

  --accent-blue: #3b82f6;
  --accent-violet: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;

  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --blur-amount: 16px;

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Background Ambient Glows */
body::before,
body::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  z-index: -1;
  filter: blur(150px);
  opacity: 0.15;
  pointer-events: none;
}

body::before {
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--accent-violet) 0%, transparent 80%);
}

body::after {
  top: 600px;
  left: -200px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 80%);
}

/* Navigation Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 11, 16, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--glass-border);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-link i {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.6rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-item a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  transition: var(--transition-smooth);
}

.nav-item a:hover::after {
  width: 100%;
}

.nav-btn {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
  color: white !important;
  padding: 0.6rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5);
  background: linear-gradient(135deg, var(--accent-blue) 20%, var(--accent-violet) 80%);
}

.nav-btn::after {
  display: none !important;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* Sections General Styling */
section {
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  min-height: 90vh;
  padding-top: 9rem;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3.8rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-content h1 span.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 50%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
  color: white;
  padding: 0.9rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 4px 30px rgba(59, 130, 246, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--glass-bg);
  border: var(--glass-border);
  color: var(--text-primary);
  padding: 0.9rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  backdrop-filter: blur(var(--blur-amount));
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-media::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  z-index: -1;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 570px;
  border-radius: 40px;
  background: #1e1e1e;
  border: 8px solid #2d2d2d;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(139, 92, 246, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* App Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.stat-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  backdrop-filter: blur(var(--blur-amount));
  padding: 1.5rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-5px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

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

/* Features Grid section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  backdrop-filter: blur(var(--blur-amount));
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-8px);
  background: var(--glass-bg-hover);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px rgba(59, 130, 246, 0.1);
}

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

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
  background: rgba(59, 130, 246, 0.2);
  transform: scale(1.1) rotate(5deg);
}

.feature-icon-wrapper i {
  font-size: 1.6rem;
  color: var(--accent-blue);
}

.feature-card:nth-child(2n) .feature-icon-wrapper {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
}

.feature-card:nth-child(2n) .feature-icon-wrapper i {
  color: var(--accent-violet);
}

.feature-card:nth-child(2n):hover::before {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
}

.feature-card:nth-child(3n) .feature-icon-wrapper {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
}

.feature-card:nth-child(3n) .feature-icon-wrapper i {
  color: var(--accent-cyan);
}

.feature-card:nth-child(3n):hover::before {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, transparent 60%);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.feature-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: var(--glass-border);
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.feature-card:hover .feature-badge {
  color: var(--text-primary);
}

/* Interactive Screenshots Section */
.screenshots-showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.carousel-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

.carousel-slide {
  position: absolute;
  width: 240px;
  height: 480px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border: 4px solid #2d2d2d;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.6s, filter 0.6s, z-index 0.6s;
  cursor: pointer;
  background: #111;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, transparent 40%, rgba(0, 0, 0, 0.8) 100%);
  opacity: 0.8;
  transition: var(--transition-smooth);
}

.carousel-slide.active::after {
  opacity: 0.2;
}

.carousel-slide.active {
  z-index: 10;
  transform: translate3d(0, 0, 80px) rotateY(0deg);
  opacity: 1;
  filter: none;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(139, 92, 246, 0.3);
  border-color: var(--accent-violet);
}

.carousel-slide.prev {
  z-index: 5;
  transform: translate3d(-200px, 0, -80px) rotateY(25deg);
  opacity: 0.6;
  filter: blur(1px) grayscale(40%);
}

.carousel-slide.next {
  z-index: 5;
  transform: translate3d(200px, 0, -80px) rotateY(-25deg);
  opacity: 0.6;
  filter: blur(1px) grayscale(40%);
}

.carousel-slide.far-prev {
  z-index: 2;
  transform: translate3d(-340px, 0, -180px) rotateY(40deg);
  opacity: 0.2;
  filter: blur(2px) grayscale(70%);
}

.carousel-slide.far-next {
  z-index: 2;
  transform: translate3d(340px, 0, -180px) rotateY(-40deg);
  opacity: 0.2;
  filter: blur(2px) grayscale(70%);
}

.carousel-slide.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, 0, -300px);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: var(--glass-border);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
  left: 20px;
}

.carousel-btn-next {
  right: 20px;
}

.slide-caption-box {
  background: var(--glass-bg);
  border: var(--glass-border);
  backdrop-filter: blur(var(--blur-amount));
  padding: 1.5rem 2rem;
  border-radius: 16px;
  max-width: 500px;
  text-align: center;
  min-height: 100px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-caption-box h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--accent-cyan);
}

.slide-caption-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Download Section */
.download-section {
  margin-top: 4rem;
  margin-bottom: 4rem;
}

.download-banner {
  background: linear-gradient(135deg, rgba(17, 19, 30, 0.9) 0%, rgba(22, 25, 41, 0.9) 100%);
  border: var(--glass-border);
  backdrop-filter: blur(var(--blur-amount));
  border-radius: 30px;
  padding: 4rem 3rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.download-banner::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -150px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  z-index: -1;
}

.download-info h3 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.download-info p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 580px;
}

.meta-info-list {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.meta-item .meta-label {
  color: var(--text-tertiary);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
}

.meta-item .meta-value {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.download-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.btn-download-big {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
  color: white;
  padding: 1.25rem 2.5rem;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
  width: 100%;
  max-width: 320px;
  justify-content: center;
}

.btn-download-big:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(6, 182, 212, 0.5);
  background: linear-gradient(135deg, var(--accent-blue) 10%, var(--accent-cyan) 90%);
}

.download-hint {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  text-align: center;
}

/* About Page & Privacy Page Styles */
.about-hero,
.privacy-hero {
  padding-top: 10rem;
  padding-bottom: 2rem;
  text-align: center;
}

.about-hero h1,
.privacy-hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.about-hero p,
.privacy-hero p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
}

.about-content,
.privacy-content {
  background: var(--glass-bg);
  border: var(--glass-border);
  backdrop-filter: blur(var(--blur-amount));
  padding: 3.5rem;
  border-radius: 24px;
  box-shadow: var(--glass-shadow);
  margin-bottom: 6rem;
}

.about-section-block,
.privacy-section-block {
  margin-bottom: 3.5rem;
}

.about-section-block:last-child,
.privacy-section-block:last-child {
  margin-bottom: 0;
}

.about-section-block h3,
.privacy-section-block h3 {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.about-section-block h3 i,
.privacy-section-block h3 i {
  font-size: 1.5rem;
}

.about-section-block p,
.privacy-section-block p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tech-item {
  background: rgba(255, 255, 255, 0.02);
  border: var(--glass-border);
  padding: 1.5rem;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tech-item-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-item-title i {
  color: var(--accent-cyan);
}

.tech-item-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.privacy-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.privacy-table th,
.privacy-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.privacy-table th {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.privacy-table td {
  color: var(--text-secondary);
}

/* Footer Section */
footer {
  background: #06070a;
  border-top: var(--glass-border);
  padding: 5rem 2rem 3rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
}

.footer-logo i {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.6rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-links-col h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-col a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.footer-links-col a:hover {
  color: var(--text-primary);
  transform: translateX(3px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.copyright {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: var(--glass-border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-socials a:hover {
  background: var(--accent-blue);
  color: white;
  transform: translateY(-3px);
}

/* Animations */
@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0px);
  }
}

.phone-mockup {
  animation: float 6s ease-in-out infinite;
}

/* AI Setup & Free Model Section */
.ai-setup-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.ai-setup-container {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2rem;
  margin-top: 3rem;
  align-items: stretch;
}

.pricing-free-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border-radius: 24px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pricing-free-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #10b981, #06b6d4);
}

.free-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  width: fit-content;
  margin-bottom: 1.5rem;
}

.price-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.price-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: #10b981;
  margin-bottom: 1rem;
}

.price-value span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.free-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.free-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: auto;
}

.free-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.free-feature-item i {
  color: #10b981;
  font-size: 1rem;
}

.instructions-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  backdrop-filter: blur(var(--blur-amount));
  border-radius: 24px;
  padding: 2.5rem 2rem;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
}

.instructions-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.gradient-icon {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.instructions-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.step-content code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
}

.step-content a {
  color: var(--accent-blue);
  text-decoration: underline;
}

.setup-cta {
  margin-top: auto;
}

.btn-api-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
  color: #ffffff;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-api-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

/* Media Queries */

/* ---------- Tablet landscape & small desktop (≤ 1024px) ---------- */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
    padding-top: 8rem;
  }

  .hero-content p {
    margin: 0 auto 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .download-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 3rem 2rem;
  }

  .download-info p {
    margin-left: auto;
    margin-right: auto;
  }

  .meta-info-list {
    justify-content: center;
  }

  .download-action {
    width: 100%;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  /* AI setup: stack vertically on tablet */
  .ai-setup-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ---------- Tablet portrait & large phones (≤ 768px) ---------- */
@media (max-width: 768px) {
  /* Navigation */
  .nav-container {
    padding: 1rem 1.25rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 11, 16, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    flex-direction: column;
    padding: 1.5rem 1.25rem;
    gap: 0.25rem;
    align-items: stretch;
    text-align: center;
    z-index: 999;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .nav-menu.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .nav-item a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    transition: var(--transition-smooth);
  }

  .nav-item a:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .nav-item a::after {
    display: none;
  }

  .nav-btn {
    margin-top: 0.5rem;
    justify-content: center;
    width: 100%;
    padding: 0.8rem 2rem;
  }

  /* Sections general */
  section {
    padding: 5rem 1.25rem 3rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-header h2 {
    font-size: 1.85rem;
  }

  .section-header p {
    font-size: 1rem;
  }

  /* Hero */
  .hero-section {
    padding-top: 7rem;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }

  .hero-content p {
    font-size: 1.05rem;
  }

  .phone-mockup {
    width: 220px;
    height: 450px;
    border-radius: 32px;
    border-width: 6px;
  }

  /* Stats */
  .stats-grid {
    gap: 1rem;
    margin-top: 2rem;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .feature-card {
    padding: 1.75rem;
  }

  .feature-card h3 {
    font-size: 1.2rem;
  }

  .feature-card p {
    font-size: 0.9rem;
  }

  /* Carousel / Screenshots */
  .carousel-container {
    height: 380px;
    max-width: 100%;
  }

  .carousel-slide {
    width: 160px;
    height: 320px;
    border-radius: 22px;
    border-width: 3px;
  }

  .carousel-slide.active {
    transform: translate3d(0, 0, 60px) rotateY(0deg);
  }

  .carousel-slide.prev {
    transform: translate3d(-110px, 0, -60px) rotateY(20deg);
  }

  .carousel-slide.next {
    transform: translate3d(110px, 0, -60px) rotateY(-20deg);
  }

  .carousel-slide.far-prev {
    transform: translate3d(-180px, 0, -140px) rotateY(35deg);
    opacity: 0.15;
  }

  .carousel-slide.far-next {
    transform: translate3d(180px, 0, -140px) rotateY(-35deg);
    opacity: 0.15;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 0.85rem;
  }

  .carousel-btn-prev {
    left: 5px;
  }

  .carousel-btn-next {
    right: 5px;
  }

  .slide-caption-box {
    padding: 1.25rem 1.5rem;
    max-width: 100%;
  }

  .slide-caption-box h4 {
    font-size: 1.1rem;
  }

  .slide-caption-box p {
    font-size: 0.85rem;
  }

  /* Download Banner */
  .download-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
  }

  .download-banner {
    border-radius: 20px;
    padding: 2.5rem 1.5rem;
    gap: 2rem;
  }

  .download-info h3 {
    font-size: 1.75rem;
  }

  .download-info p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .meta-info-list {
    gap: 1.25rem;
  }

  .btn-download-big {
    padding: 1rem 2rem;
    font-size: 1.05rem;
    max-width: 100%;
  }

  /* About & Privacy pages */
  .about-hero,
  .privacy-hero {
    padding-top: 7rem;
    padding-bottom: 1.5rem;
  }

  .about-hero h1,
  .privacy-hero h1 {
    font-size: 2.2rem;
  }

  .about-hero p,
  .privacy-hero p {
    font-size: 1rem;
  }

  .about-content,
  .privacy-content {
    padding: 1.75rem;
    border-radius: 18px;
    margin-bottom: 3rem;
  }

  .about-section-block h3,
  .privacy-section-block h3 {
    font-size: 1.35rem;
  }

  .about-section-block p,
  .privacy-section-block p {
    font-size: 0.95rem;
  }

  .tech-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  /* Privacy table: horizontal scroll wrapper */
  .privacy-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 0.85rem;
  }

  .privacy-table th,
  .privacy-table td {
    padding: 0.75rem;
    white-space: nowrap;
  }

  /* AI Setup Section */
  .ai-setup-section {
    padding: 3rem 1.25rem;
  }

  .ai-setup-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .pricing-free-card,
  .instructions-card {
    padding: 2rem 1.5rem;
    border-radius: 18px;
  }

  .price-value {
    font-size: 2.4rem;
  }

  .steps-timeline {
    gap: 1rem;
  }

  .step-item {
    gap: 0.75rem;
  }

  .step-number {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
    flex-shrink: 0;
  }

  /* Footer */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-brand p {
    max-width: 100%;
  }

  footer {
    padding: 3rem 1.25rem 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}

/* ---------- Small phones (≤ 480px) ---------- */
@media (max-width: 480px) {
  .nav-container {
    padding: 0.85rem 1rem;
  }

  .logo-link {
    font-size: 1.2rem;
    gap: 0.5rem;
  }

  .logo-link i {
    font-size: 1.3rem;
  }

  section {
    padding: 4rem 1rem 2.5rem;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  /* Hero */
  .hero-section {
    padding-top: 6rem;
    gap: 2rem;
  }

  .hero-content h1 {
    font-size: 1.9rem;
    line-height: 1.2;
  }

  .hero-content p {
    font-size: 0.95rem;
    margin-bottom: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
  }

  .phone-mockup {
    width: 190px;
    height: 390px;
    border-radius: 28px;
    border-width: 5px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .stat-card {
    padding: 1.25rem 0.75rem;
    border-radius: 12px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  /* Features */
  .feature-card {
    padding: 1.5rem;
    border-radius: 16px;
  }

  .feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    margin-bottom: 1rem;
  }

  .feature-icon-wrapper i {
    font-size: 1.35rem;
  }

  /* Carousel */
  .carousel-container {
    height: 340px;
  }

  .carousel-slide {
    width: 140px;
    height: 280px;
    border-radius: 18px;
  }

  .carousel-slide.prev {
    transform: translate3d(-90px, 0, -50px) rotateY(18deg);
  }

  .carousel-slide.next {
    transform: translate3d(90px, 0, -50px) rotateY(-18deg);
  }

  .carousel-slide.far-prev,
  .carousel-slide.far-next {
    opacity: 0;
    visibility: hidden;
  }

  .carousel-btn {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }

  .carousel-btn-prev {
    left: 2px;
  }

  .carousel-btn-next {
    right: 2px;
  }

  .slide-caption-box {
    padding: 1rem 1.25rem;
    min-height: 80px;
  }

  .slide-caption-box h4 {
    font-size: 1rem;
  }

  .slide-caption-box p {
    font-size: 0.8rem;
  }

  /* Download Banner */
  .download-banner {
    padding: 2rem 1.25rem;
    border-radius: 16px;
    gap: 1.5rem;
  }

  .download-info h3 {
    font-size: 1.5rem;
  }

  .download-info p {
    font-size: 0.9rem;
  }

  .meta-info-list {
    gap: 1rem;
  }

  .meta-item .meta-label {
    font-size: 0.7rem;
  }

  .meta-item .meta-value {
    font-size: 0.95rem;
  }

  .btn-download-big {
    padding: 0.9rem 1.5rem;
    font-size: 1rem;
    border-radius: 12px;
  }

  .download-hint {
    font-size: 0.75rem;
  }

  /* AI Setup Section */
  .ai-setup-section {
    padding: 2.5rem 1rem;
  }

  .pricing-free-card,
  .instructions-card {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }

  .price-value {
    font-size: 2rem;
  }

  .free-badge {
    font-size: 0.78rem;
    padding: 0.3rem 0.6rem;
  }

  .price-title {
    font-size: 1.15rem;
  }

  .instructions-card h3 {
    font-size: 1.15rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .instructions-intro {
    font-size: 0.88rem;
  }

  .step-content h4 {
    font-size: 0.95rem;
  }

  .step-content p {
    font-size: 0.82rem;
  }

  .btn-api-link {
    font-size: 0.88rem;
    padding: 0.8rem 1.25rem;
  }

  /* About & Privacy */
  .about-hero,
  .privacy-hero {
    padding-top: 6rem;
    padding-bottom: 1rem;
  }

  .about-hero h1,
  .privacy-hero h1 {
    font-size: 1.85rem;
  }

  .about-hero p,
  .privacy-hero p {
    font-size: 0.9rem;
  }

  .about-content,
  .privacy-content {
    padding: 1.25rem;
    border-radius: 14px;
    margin-bottom: 2rem;
  }

  .about-section-block,
  .privacy-section-block {
    margin-bottom: 2.5rem;
  }

  .about-section-block h3,
  .privacy-section-block h3 {
    font-size: 1.2rem;
    gap: 0.5rem;
    flex-wrap: wrap;
  }

  .about-section-block h3 i,
  .privacy-section-block h3 i {
    font-size: 1.15rem;
  }

  .about-section-block p,
  .privacy-section-block p {
    font-size: 0.9rem;
    line-height: 1.65;
  }

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

  .tech-item {
    padding: 1.25rem;
    border-radius: 12px;
  }

  /* Footer */
  footer {
    padding: 2.5rem 1rem 1.5rem;
  }

  .footer-container {
    gap: 1.75rem;
    margin-bottom: 2rem;
  }

  .footer-logo {
    font-size: 1.2rem;
  }

  .footer-brand p {
    font-size: 0.85rem;
  }

  .footer-links-col h4 {
    font-size: 0.95rem;
  }

  .footer-links-col a {
    font-size: 0.9rem;
  }

  .footer-bottom {
    padding-top: 1.5rem;
  }

  .copyright {
    font-size: 0.75rem;
  }
}

/* ---------- Extra-small phones (≤ 360px) ---------- */
@media (max-width: 360px) {
  .hero-content h1 {
    font-size: 1.65rem;
  }

  .hero-content p {
    font-size: 0.88rem;
  }

  .phone-mockup {
    width: 165px;
    height: 340px;
    border-radius: 24px;
    border-width: 4px;
  }

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

  .stat-number {
    font-size: 1.4rem;
  }

  .carousel-container {
    height: 300px;
  }

  .carousel-slide {
    width: 120px;
    height: 240px;
    border-radius: 16px;
    border-width: 2px;
  }

  .carousel-slide.prev {
    transform: translate3d(-75px, 0, -40px) rotateY(15deg);
  }

  .carousel-slide.next {
    transform: translate3d(75px, 0, -40px) rotateY(-15deg);
  }

  .carousel-btn {
    width: 32px;
    height: 32px;
    font-size: 0.7rem;
  }

  .download-info h3 {
    font-size: 1.3rem;
  }

  .about-hero h1,
  .privacy-hero h1 {
    font-size: 1.6rem;
  }

  .about-content,
  .privacy-content {
    padding: 1rem;
  }

  .about-section-block h3,
  .privacy-section-block h3 {
    font-size: 1.1rem;
  }

  .pricing-free-card,
  .instructions-card {
    padding: 1.25rem 1rem;
  }

  .price-value {
    font-size: 1.75rem;
  }

  .step-number {
    width: 26px;
    height: 26px;
    font-size: 0.75rem;
  }
}

/* ---------- Large screens / Wide monitors (≥ 1440px) ---------- */
@media (min-width: 1440px) {
  .nav-container {
    max-width: 1400px;
    padding: 1.25rem 3rem;
  }

  section {
    max-width: 1400px;
  }

  .ai-setup-section {
    max-width: 1400px;
  }

  .footer-container,
  .footer-bottom {
    max-width: 1400px;
  }

  .hero-content h1 {
    font-size: 4.2rem;
  }

  .section-header h2 {
    font-size: 2.8rem;
  }

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