/* ================================================
   BitShare — Landing Page Stylesheet
   Design System: Deep Black + Neon Green + Electric Orange
   ================================================ */

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

/* ── Design Tokens ────────────────────────────── */
:root {
  --deep-black: #000000;
  --carbon-matte: #121212;
  --graphite-grey: #1A1A1A;
  --surface-elevated: #1E1E1E;
  --surface-card: #141414;
  --neon-orange: #FF6A00;
  --electric-orange: #FF7A1A;
  --amber-pulse: #FFB300;
  --emerald-neon: #00FF9C;
  --emerald-dim: #00CC7D;
  --emerald-glow: rgba(0, 255, 156, 0.15);
  --orange-glow: rgba(255, 106, 0, 0.15);
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #666666;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow-green: rgba(0, 255, 156, 0.2);
  --border-glow-orange: rgba(255, 106, 0, 0.2);
  --glass-bg: rgba(18, 18, 18, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

/* ── Animated Background Mesh ────────────────── */
.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.mesh-bg canvas {
  width: 100%;
  height: 100%;
}

/* Gradient overlay to ensure readability */
.mesh-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 60% at 50% 40%,
    transparent,
    var(--deep-black) 70%
  );
}

/* ── Navigation ──────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  transition: var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.nav-brand img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.nav-brand-text {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-brand-text span {
  color: var(--emerald-neon);
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

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

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

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--neon-orange), var(--electric-orange));
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.875rem;
  color: #FFFFFF !important;
  transition: var(--transition-spring);
  box-shadow: 0 0 20px rgba(255, 106, 0, 0.3);
  border: none;
  cursor: pointer;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 40px rgba(255, 106, 0, 0.5);
  color: #FFFFFF !important;
}

.nav-cta svg {
  width: 18px;
  height: 18px;
  stroke: #FFFFFF;
  color: #FFFFFF;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 6px 0;
  transition: var(--transition-fast);
  border-radius: 2px;
}

/* ── Hero Section ────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 2rem 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.15;
  pointer-events: none;
}

.hero-glow--green {
  top: 10%;
  right: 15%;
  background: var(--emerald-neon);
}

.hero-glow--orange {
  bottom: 15%;
  left: 10%;
  background: var(--neon-orange);
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--emerald-glow);
  border: 1px solid var(--border-glow-green);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--emerald-neon);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: pulse-badge 3s ease-in-out infinite;
}

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

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 255, 156, 0.1); }
  50% { box-shadow: 0 0 20px 4px rgba(0, 255, 156, 0.08); }
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.75rem, 5.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title .highlight-green {
  color: var(--emerald-neon);
  text-shadow: 0 0 40px rgba(0, 255, 156, 0.3);
}

.hero-title .highlight-orange {
  background: linear-gradient(135deg, var(--neon-orange), var(--amber-pulse));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--neon-orange), var(--electric-orange));
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition-spring);
  box-shadow: 0 4px 30px rgba(255, 106, 0, 0.3);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 50px rgba(255, 106, 0, 0.5);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  border: 1px solid var(--border-glow-green);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  color: var(--emerald-neon);
  transition: var(--transition-spring);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--emerald-glow);
  border-color: var(--emerald-neon);
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 255, 156, 0.15);
}

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

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

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

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--emerald-neon);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

/* Hero Phone */
.hero-phone {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.hero-phone img {
  max-height: 600px;
  width: auto;
  filter: drop-shadow(0 0 60px rgba(0, 255, 156, 0.15));
  animation: float 6s ease-in-out infinite;
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, black 40%, transparent 72%);
  mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, black 40%, transparent 72%);
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-12px) rotate(0.5deg); }
  75% { transform: translateY(8px) rotate(-0.5deg); }
}

/* ── Section Base ────────────────────────────── */
section {
  padding: 120px 2rem;
  position: relative;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--emerald-neon);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-label .line {
  width: 24px;
  height: 1px;
  background: var(--emerald-neon);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Features Grid ───────────────────────────── */
.features {
  background: linear-gradient(180deg, var(--deep-black) 0%, var(--carbon-matte) 50%, var(--deep-black) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  position: relative;
  padding: 2rem;
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--emerald-neon), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--border-glow-green);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.feature-card:nth-child(even)::before {
  background: linear-gradient(90deg, transparent, var(--neon-orange), transparent);
}

.feature-card:nth-child(even):hover {
  border-color: var(--border-glow-orange);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.feature-icon--green {
  background: var(--emerald-glow);
  color: var(--emerald-neon);
}

.feature-icon--orange {
  background: var(--orange-glow);
  color: var(--neon-orange);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Showcase / How It Works ─────────────────── */
.showcase {
  position: relative;
  overflow: hidden;
}

.showcase-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.showcase-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.showcase .section-inner {
  position: relative;
  z-index: 1;
}

.showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.showcase-phones img {
  width: 100%;
  max-width: 580px;
  filter: drop-shadow(0 0 40px rgba(0, 255, 156, 0.1));
  animation: float 8s ease-in-out infinite;
  animation-delay: -2s;
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 48%, black 35%, transparent 70%);
  mask-image: radial-gradient(ellipse 75% 70% at 50% 48%, black 35%, transparent 70%);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  background: transparent;
  border: 1px solid transparent;
}

.step:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border-subtle);
}

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
}

.step-number--green {
  background: var(--emerald-glow);
  color: var(--emerald-neon);
  border: 1px solid var(--border-glow-green);
}

.step-number--orange {
  background: var(--orange-glow);
  color: var(--neon-orange);
  border: 1px solid var(--border-glow-orange);
}

.step-content h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.step-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Tech Specs ──────────────────────────────── */
.tech-specs {
  background: linear-gradient(180deg, var(--deep-black) 0%, var(--carbon-matte) 50%, var(--deep-black) 100%);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.spec-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.spec-card:hover {
  border-color: var(--border-glow-green);
  transform: translateY(-3px);
}

.spec-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--emerald-neon);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 30px rgba(0, 255, 156, 0.3);
}

.spec-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Testimonials / Social Proof ─────────────── */
.social-proof {
  position: relative;
}

.proof-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.proof-card {
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.proof-card:hover {
  border-color: var(--border-glow-green);
  transform: translateY(-2px);
}

.proof-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1rem;
}

.proof-stars svg {
  width: 16px;
  height: 16px;
  fill: var(--amber-pulse);
}

.proof-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-style: italic;
}

.proof-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.proof-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald-neon), var(--neon-orange));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--deep-black);
}

.proof-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.proof-role {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── CTA Section ─────────────────────────────── */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(200px);
  opacity: 0.1;
  pointer-events: none;
}

.cta-glow--left {
  left: -200px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--neon-orange);
}

.cta-glow--right {
  right: -200px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--emerald-neon);
}

.cta-card {
  position: relative;
  z-index: 1;
  padding: 4rem 3rem;
  background: linear-gradient(135deg, rgba(0, 255, 156, 0.05), rgba(255, 106, 0, 0.05));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-badge {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.cta-badge svg {
  width: 16px;
  height: 16px;
  color: var(--emerald-neon);
}

/* ── Privacy Section ─────────────────────────── */
.privacy-section {
  background: var(--carbon-matte);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.privacy-card {
  padding: 2rem;
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  text-align: center;
  transition: var(--transition-smooth);
}

.privacy-card:hover {
  border-color: var(--border-glow-green);
  transform: translateY(-3px);
}

.privacy-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.privacy-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.privacy-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Footer ──────────────────────────────────── */
.footer {
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--deep-black);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.footer-brand-name {
  font-weight: 800;
  font-size: 1.125rem;
}

.footer-brand-name span {
  color: var(--emerald-neon);
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

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

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-copy a {
  color: var(--emerald-neon);
  transition: var(--transition-fast);
}

.footer-copy a:hover {
  text-decoration: underline;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--border-glow-green);
  color: var(--emerald-neon);
  background: var(--emerald-glow);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

/* ── Scroll Reveal Animation ─────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

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

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .hero-phone {
    order: -1;
  }

  .hero-phone img {
    max-height: 420px;
  }

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

  .showcase-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .showcase-phones {
    order: -1;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
  }

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

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding: 100px 1.5rem 60px;
  }

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

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

  .proof-cards {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .cta-card {
    padding: 2.5rem 1.5rem;
  }

  section {
    padding: 80px 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }

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

/* ── Google Play Badge ───────────────────────── */
.google-play-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--deep-black);
  border: 1.5px solid var(--text-muted);
  border-radius: var(--radius-md);
  transition: var(--transition-spring);
  cursor: pointer;
}

.google-play-badge:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.google-play-badge svg {
  width: 28px;
  height: 28px;
}

.play-badge-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.play-badge-text .small {
  font-size: 0.625rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
}

.play-badge-text .large {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* ── Particle canvas styling ─────────────────── */
#mesh-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}