/* ============================================
   AL Secure — Premium Dark Theme Stylesheet
   ============================================ */

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

/* ---------- Design Tokens ---------- */
:root {
  --color-bg: #0a0a0f;
  --color-bg-alt: #111118;
  --color-surface: #16161f;
  --color-surface-hover: #1e1e2a;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --color-primary: #6c5ce7;
  --color-primary-light: #a29bfe;
  --color-primary-glow: rgba(108, 92, 231, 0.35);

  --color-accent: #00cec9;
  --color-accent-glow: rgba(0, 206, 201, 0.25);

  --color-text: #e8e8f0;
  --color-text-secondary: #8b8b9e;
  --color-text-muted: #5a5a6e;

  --color-success: #00b894;
  --color-warning: #fdcb6e;
  --color-danger: #e17055;

  --gradient-hero: linear-gradient(135deg, #6c5ce7 0%, #00cec9 50%, #6c5ce7 100%);
  --gradient-card: linear-gradient(135deg, rgba(108, 92, 231, 0.08), rgba(0, 206, 201, 0.05));
  --gradient-text: linear-gradient(135deg, #a29bfe, #00cec9);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--color-primary-glow);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

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

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

.glass {
  background: rgba(22, 22, 31, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
}

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

/* ---------- Animated Background ---------- */
.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-glow::before,
.bg-glow::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  animation: float 18s ease-in-out infinite;
}

.bg-glow::before {
  width: 600px;
  height: 600px;
  background: var(--color-primary-glow);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.bg-glow::after {
  width: 500px;
  height: 500px;
  background: var(--color-accent-glow);
  bottom: -150px;
  left: -100px;
  animation-delay: -9s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -60px) scale(1.1); }
  66% { transform: translate(-30px, 40px) scale(0.95); }
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-hero);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

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

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: width var(--transition-fast);
  border-radius: 1px;
}

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

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

.nav-cta {
  padding: 10px 24px !important;
  background: var(--color-primary) !important;
  border-radius: var(--radius-xl) !important;
  color: #fff !important;
  font-weight: 600 !important;
  transition: all var(--transition-fast) !important;
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

.nav-cta:hover {
  background: #7c6ef7 !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 25px var(--color-primary-glow) !important;
}

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

/* Mobile menu button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 24px;
  background: rgba(0, 206, 201, 0.1);
  border: 1px solid rgba(0, 206, 201, 0.2);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 500px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px var(--color-primary-glow);
  text-decoration: none;
}

.btn-primary:hover {
  background: #7c6ef7;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-primary-glow);
  color: #fff;
}

.btn-primary svg {
  width: 20px;
  height: 20px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-hover);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-primary-light);
  color: var(--color-text);
  transform: translateY(-2px);
}

/* Hero Phone Mockups */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeInRight 0.8s ease-out 0.2s both;
}

.phone-showcase {
  display: flex;
  gap: 20px;
  align-items: center;
  perspective: 1000px;
}

.phone-frame {
  position: relative;
  width: 220px;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(108, 92, 231, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--transition-normal);
  background: var(--color-surface);
}

.phone-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.phone-frame:nth-child(1) {
  transform: translateY(30px) rotateY(5deg);
}

.phone-frame:nth-child(2) {
  transform: scale(1.05);
  z-index: 2;
  box-shadow: var(--shadow-lg), 0 0 80px var(--color-primary-glow);
}

.phone-frame:nth-child(3) {
  transform: translateY(30px) rotateY(-5deg);
}

.phone-frame:hover {
  transform: translateY(-10px) scale(1.05) !important;
  box-shadow: var(--shadow-lg), 0 0 80px var(--color-primary-glow);
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(22, 22, 31, 0.5);
}

.stats-bar .container {
  display: flex;
  justify-content: center;
  gap: 80px;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* ---------- Features Section ---------- */
.features {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-label {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: rgba(108, 92, 231, 0.12);
  color: var(--color-primary-light);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---------- How It Works Section ---------- */
.how-it-works {
  position: relative;
  z-index: 1;
  padding: 120px 0;
  background: var(--color-bg-alt);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  counter-reset: step;
}

.step-card {
  text-align: center;
  padding: 40px 30px;
  position: relative;
  counter-increment: step;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(108, 92, 231, 0.12);
  border: 2px solid rgba(108, 92, 231, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-light);
  margin: 0 auto 24px;
  position: relative;
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---------- CTA Section ---------- */
.cta-section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.cta-card {
  padding: 80px 60px;
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(0, 206, 201, 0.1));
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--color-primary-glow);
  filter: blur(80px);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-card p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-card .btn-primary {
  position: relative;
  z-index: 1;
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  padding: 60px 0 30px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand {
  max-width: 340px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-company {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- Legal Pages (Privacy, Terms) ---------- */
.legal-page {
  position: relative;
  z-index: 1;
  padding: 140px 0 80px;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.legal-content .last-updated {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 48px;
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--color-text);
}

.legal-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}

.legal-content a {
  color: var(--color-primary-light);
}

.legal-content a:hover {
  color: var(--color-accent);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Scroll-triggered fade in */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-visual {
    order: -1;
    margin-bottom: 20px;
  }

  .phone-showcase {
    gap: 12px;
  }

  .phone-frame {
    width: 180px;
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: block;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

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

  .phone-showcase {
    gap: 8px;
  }

  .phone-frame {
    width: 140px;
    border-radius: 22px;
  }

  .phone-frame:nth-child(1),
  .phone-frame:nth-child(3) {
    display: none;
  }

  .phone-frame:nth-child(2) {
    width: 240px;
  }

  .stats-bar .container {
    flex-wrap: wrap;
    gap: 40px;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cta-card {
    padding: 50px 30px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

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

  .btn-primary,
  .btn-secondary {
    padding: 14px 24px;
    font-size: 0.9rem;
    width: 100%;
    justify-content: center;
  }

  .hero-actions {
    flex-direction: column;
  }

  .legal-content h1 {
    font-size: 1.8rem;
  }
}