/* ==========================================================================
   LOCAL CAST — PRODUCTION STYLESHEET (Cloudflare Pages Ready)
   Domain: keshavvortex.com | Developer: Keshav Vortex
   ========================================================================== */

:root {
  --bg-dark: #090d16;
  --bg-card: #131b2e;
  --bg-card-hover: #1b2640;
  --bg-input: #0b1120;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(59, 130, 246, 0.5);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --max-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: var(--gradient-glow);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

/* Typography */
h1, h2, h3, h4, h5 {
  color: #ffffff;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #60a5fa;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-header .tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 14px;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
}

.nav-brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
}

.nav-brand-icon svg {
  width: 22px;
  height: 22px;
  fill: #ffffff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
  color: #ffffff;
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.88rem;
}

/* Hero Section */
.hero {
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-green);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}

.hero h1 span.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  max-width: 720px;
  margin: 20px auto 36px;
  font-size: 1.2rem;
  color: var(--text-muted);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 0.88rem;
  color: var(--text-faint);
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-meta-item svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-cyan);
}

/* Mockup Showcase */
.mockup-wrapper {
  margin: 50px auto 0;
  max-width: 960px;
  position: relative;
}

.mockup-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(59, 130, 246, 0.15);
}

.mockup-screen {
  background: #000000;
  border-radius: var(--radius-md);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  text-align: left;
}

.demo-card {
  background: #0d1424;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.demo-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-green);
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.demo-qr-box {
  background: #ffffff;
  color: #000000;
  padding: 16px;
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.demo-qr-svg {
  width: 140px;
  height: 140px;
}

/* Feature Cards Grid */
.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.35);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent-blue);
}

.feature-icon svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.feature-card h3 {
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
}

/* Steps (How it Works) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
}

.step-number {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

/* Compatibility Grid */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  text-align: center;
}

.compat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  transition: all 0.25s ease;
}

.compat-item:hover {
  border-color: var(--accent-blue);
}

.compat-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.compat-name {
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
}

.compat-status {
  font-size: 0.78rem;
  color: var(--accent-green);
  margin-top: 4px;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

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

.faq-chevron {
  transition: transform 0.3s ease;
  width: 18px;
  height: 18px;
  fill: var(--text-muted);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  fill: var(--accent-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 22px;
}

/* Call to Action Banner */
.cta-banner {
  background: linear-gradient(135deg, #131d36 0%, #172554 100%);
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(59, 130, 246, 0.15);
}

.cta-banner h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.cta-banner p {
  max-width: 580px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
}

/* Legal / Policy Content Layout */
.legal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 880px;
  margin: 0 auto;
}

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

.legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.legal-content h2 {
  font-size: 1.35rem;
  margin: 36px 0 14px;
  color: #ffffff;
}

.legal-content h3 {
  font-size: 1.1rem;
  margin: 20px 0 8px;
  color: #93c5fd;
}

.legal-content p, .legal-content ul {
  margin-bottom: 16px;
  font-size: 1rem;
}

.legal-content ul {
  padding-left: 28px;
}

.legal-content li {
  margin-bottom: 8px;
}

.highlight-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 24px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.highlight-box svg {
  width: 24px;
  height: 24px;
  fill: var(--accent-green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: #060910;
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin: 14px 0 20px;
  font-size: 0.92rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive adjustments */
@media (max-width: 868px) {
  .mockup-screen {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .legal-content {
    padding: 28px 20px;
  }
}

@media (max-width: 580px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta .btn {
    width: 100%;
  }
}