/* ============================================
   ENCRYPT WEBSITE — Custom Styles
   Modern White & Black + Electric Cyan Accent
   ============================================ */

/* CSS Variables */
:root {
  --white: #FFFFFF;
  --off-white: #F7F7F8;
  --black: #000000;
  --charcoal: #1A1A1A;
  --slate: #6B7280;
  --muted: #9CA3AF;
  --cyan: #00E5FF;
  --cyan-soft: #B3F0FF;
  --cyan-glow: rgba(0, 229, 255, 0.15);
  --success: #10B981;
  --error: #EF4444;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark mode variables */
[data-theme="dark"] {
  --white: #0A0A0A;
  --off-white: #111111;
  --black: #FFFFFF;
  --charcoal: #F0F0F0;
  --slate: #A1A1AA;
  --muted: #71717A;
  --border: #27272A;
  --border-light: #18181B;
  --cyan-glow: rgba(0, 229, 255, 0.08);
}

/* 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-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition-base), color var(--transition-base);
}

/* Selection */
::selection {
  background: var(--cyan);
  color: var(--black);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--off-white);
}
::-webkit-scrollbar-thumb {
  background: var(--slate);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--black);
}

/* ============================================
   PARTICLES CANVAS
   ============================================ */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .nav.scrolled {
  background: rgba(10, 10, 10, 0.8);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--black);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: scale(1.02);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

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

.nav-link {
  text-decoration: none;
  color: var(--slate);
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--transition-base);
}

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

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

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

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-glow);
}

/* GitHub Button */
.github-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--black);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.github-btn:hover {
  border-color: var(--black);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover::before {
  opacity: 0.1;
}

.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--black);
  background: var(--off-white);
}

.btn-cyan {
  background: var(--cyan);
  color: var(--black);
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

/* Magnetic button effect */
.btn-magnetic {
  transition: transform 0.2s ease-out;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  background: var(--cyan-glow);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--cyan);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease-out;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--black);
  margin-bottom: 1.5rem;
}

.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--cyan), #00B8D4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--slate);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.7;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.3s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.5s forwards;
}

.hero-install {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: var(--charcoal);
  border-radius: 14px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--white);
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.7s forwards;
}

.hero-install:hover {
  background: #333;
  transform: translateY(-1px);
}

.hero-install .copy-icon {
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.hero-install:hover .copy-icon {
  opacity: 1;
}

.hero-install.copied {
  background: var(--success);
}

/* Terminal Mockup */
.terminal {
  background: var(--charcoal);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05);
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  animation: terminalIn 0.8s ease-out 0.4s forwards;
}

@keyframes terminalIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #FF5F57; }
.terminal-dot.yellow { background: #FFBD2E; }
.terminal-dot.green { background: #28CA42; }

.terminal-title {
  margin-left: 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: #E4E4E7;
  min-height: 280px;
}

.terminal-line {
  opacity: 0;
  animation: typeLine 0.1s ease-out forwards;
}

.terminal-line .prompt {
  color: var(--cyan);
}

.terminal-line .command {
  color: #E4E4E7;
}

.terminal-line .output {
  color: var(--muted);
}

.terminal-line .success {
  color: var(--success);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--cyan);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

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

@keyframes typeLine {
  to { opacity: 1; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.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; }

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--off-white);
}

.trust-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

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

.trust-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
}

.trust-label {
  font-size: 0.875rem;
  color: var(--slate);
  margin-top: 0.5rem;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 6rem 2rem;
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-block;
  padding: 0.375rem 1rem;
  border-radius: 100px;
  background: var(--cyan-glow);
  color: var(--cyan);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--slate);
  line-height: 1.7;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.problem-card {
  padding: 2rem;
  border-radius: 20px;
  border: 2px solid var(--border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.problem-card.bad {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.03);
}

.problem-card.good {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.03);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.problem-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.problem-card.bad .problem-icon {
  background: rgba(239, 68, 68, 0.1);
}

.problem-card.good .problem-icon {
  background: rgba(16, 185, 129, 0.1);
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.problem-card p {
  color: var(--slate);
  font-size: 0.9375rem;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.step {
  text-align: center;
  padding: 2rem;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 3rem;
  right: -1rem;
  width: 2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--cyan));
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--off-white);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 auto 1.5rem;
  transition: all var(--transition-base);
}

.step:hover .step-number {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--black);
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

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

.feature-card {
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--white);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 12px 32px rgba(0, 229, 255, 0.08);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* ============================================
   CODE SECTION
   ============================================ */
.code-section {
  background: var(--charcoal);
  border-radius: 24px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.code-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.code-block {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 16px;
  padding: 1.5rem;
  position: relative;
  overflow-x: auto;
}

.code-block pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  color: #E4E4E7;
  overflow-x: auto;
}

.code-block .comment { color: var(--muted); }
.code-block .keyword { color: #C792EA; }
.code-block .string { color: #C3E88D; }
.code-block .function { color: #82AAFF; }
.code-block .variable { color: #F78C6C; }

.code-copy {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-copy:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--black);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--cyan);
}

.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  color: var(--slate);
  line-height: 1.7;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, var(--cyan-glow), transparent 70%);
  pointer-events: none;
}

.cta-banner .section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--off-white);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--black);
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-brand svg {
  width: 28px;
  height: 28px;
}

.footer-desc {
  color: var(--slate);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--slate);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate);
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--black);
  transition: all var(--transition-fast);
}

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

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

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

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background: var(--white);
  border-left: 1px solid var(--border);
  padding: 6rem 2rem 2rem;
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-nav-overlay.open {
  opacity: 1;
}

.mobile-nav-links {
  list-style: none;
}

.mobile-nav-links li {
  margin-bottom: 1.5rem;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@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-install {
    margin: 0 auto;
  }
  
  .terminal {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .step:not(:last-child)::after {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions .github-btn {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-nav,
  .mobile-nav-overlay {
    display: block;
  }
  
  .hero {
    padding: 7rem 1.5rem 3rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .code-section {
    padding: 2rem 1.5rem;
    border-radius: 20px;
  }
  
  .trust-inner {
    gap: 2rem;
  }
  
  .trust-number {
    font-size: 2rem;
  }
  
  .section {
    padding: 4rem 1.5rem;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .terminal-body {
    padding: 1rem;
    font-size: 0.75rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}