/* ── CSS Reset & Design Tokens ───────────────────────────────────────── */
:root {
  --bg-dark: #04050a;
  --bg-card: rgba(12, 18, 32, 0.7);
  --border-light: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(102, 252, 241, 0.25);

  --text-main: #f0f4f9;
  --text-mute: #8b9aaf;

  /* HSL tailored color palette */
  --color-primary: hsl(189, 100%, 50%);    /* Bright Cyan */
  --color-secondary: hsl(280, 85%, 55%);   /* Purple */
  --color-accent: hsl(8, 95%, 55%);        /* Warm Orange Red */

  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --glow-cyan: rgba(102, 252, 241, 0.2);
  --glow-purple: rgba(156, 39, 176, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography & Gradients ─────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary) 50%, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Scrollbars ─────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e2638;
  border-radius: 5px;
  border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
  background: #2b3752;
}

/* ── Navigation Bar ──────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.trademark {
  font-size: 0.7rem;
  vertical-align: super;
  font-weight: 400;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-mute);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn-download-sm {
  text-decoration: none;
  background: linear-gradient(135deg, #4285f4, #2b579a);
  color: #fff;
  padding: 0.65rem 1.35rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(66, 133, 244, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  cursor: pointer;
}

.btn-download-sm:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(66, 133, 244, 0.4);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-download-sm:active {
  transform: translateY(0px);
}

.btn-download-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  text-decoration: none;
  background: linear-gradient(135deg, #4285f4, #9c27b0, #db4437);
  background-size: 200% 200%;
  color: #fff;
  padding: 1.1rem 2.5rem;
  border-radius: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 35px rgba(156, 39, 176, 0.3), 0 0 20px rgba(102, 252, 241, 0.1);
  transition: all 0.35s cubic-bezier(0.4, 0.0, 0.2, 1);
  animation: gradientShift 7s ease infinite;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-download-lg:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.35s ease;
  z-index: 0;
}

.btn-download-lg:hover:before {
  left: 100%;
}

.btn-download-lg:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(66, 133, 244, 0.45), 0 0 30px rgba(102, 252, 241, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-download-lg:active {
  transform: translateY(-1px);
}

.btn-download-lg svg {
  position: relative;
  z-index: 1;
}

.btn-download-lg .btn-text-group {
  position: relative;
  z-index: 1;
}

.btn-icon svg {
  display: block;
}

.btn-text-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.btn-main-text {
  font-size: 1.05rem;
}

.btn-sub-text {
  font-size: 0.75rem;
  opacity: 0.8;
  font-weight: 400;
}

/* ── Hero Section ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2.5rem 4rem;
}

.hero-bg-glows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.glow {
  position: absolute;
  width: 45vw;
  height: 45vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
}

.glow-1 {
  background: radial-gradient(circle, var(--color-primary), transparent);
  top: -10%;
  left: -10%;
}

.glow-2 {
  background: radial-gradient(circle, var(--color-secondary), transparent);
  bottom: 0%;
  right: -10%;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.badge {
  background: rgba(102, 252, 241, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--border-glow);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-mute);
  max-width: 500px;
  margin-bottom: 1rem;
}

.hero-meta {
  font-size: 0.85rem;
  color: var(--text-mute);
}

/* ── Interactive CSS Browser Mockup ──────────────────────────────────── */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.browser-mockup {
  width: 100%;
  max-width: 540px;
  background: #0f121a;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  animation: floatMockup 6s ease-in-out infinite;
}

.mockup-header {
  height: 48px;
  background: #141923;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.mockup-window-controls {
  display: flex;
  gap: 6px;
}

.ctrl {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.ctrl.close { background-color: #ff5f56; }
.ctrl.minimize { background-color: #ffbd2e; }
.ctrl.expand { background-color: #27c93f; }

.mockup-navigation-controls {
  display: flex;
  gap: 8px;
}

.mockup-nav-btn {
  color: #56677f;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.2s ease;
}

.mockup-nav-btn:hover {
  color: var(--text-main);
}

.mockup-nav-btn.devtools-active {
  color: var(--color-primary);
  filter: drop-shadow(0 0 5px var(--glow-cyan));
}

.mockup-address-bar {
  flex: 1;
  height: 28px;
  background: #0b0d13;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  gap: 0.5rem;
}

.mockup-lock-icon.secure {
  color: #10b981;
}

.mockup-url {
  font-size: 0.8rem;
  color: var(--text-mute);
  user-select: none;
}

.mockup-content {
  position: relative;
  height: 320px;
  display: flex;
  flex-direction: column;
}

.mockup-viewport {
  flex: 1;
  background: #0b0d13;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.mockup-search-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.mockup-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.mockup-search-input {
  width: 240px;
  height: 36px;
  border-radius: 8px;
  background: #141923;
  border: 1px solid var(--border-light);
  font-size: 0.8rem;
  color: #56677f;
  display: flex;
  align-items: center;
  padding: 0 1rem;
}

/* Simulated DevTools Panel */
.mockup-devtools {
  height: 120px;
  background: #11141e;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}

.devtools-header {
  height: 28px;
  background: #161b29;
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  gap: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.devtools-tab {
  font-size: 0.7rem;
  color: var(--text-mute);
  font-weight: 500;
  cursor: pointer;
}

.devtools-tab.active {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

.devtools-content {
  flex: 1;
  padding: 0.75rem;
  font-family: monospace;
  font-size: 0.75rem;
  color: #7ab2f5;
  overflow: hidden;
}

.html-tag { color: #e06c75; }
.html-attr { color: #d19a66; }
.html-val { color: #98c379; }
.html-text { color: var(--text-main); }

/* ── Features Section ───────────────────────────────────────────────── */
.features {
  padding: 9rem 2.5rem;
  border-top: 1px solid var(--border-light);
  background: radial-gradient(100% 50% at 50% 0%, rgba(30, 38, 56, 0.25) 0%, transparent 100%);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.section-title {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-mute);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 2.75rem 2.25rem;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all 0.35s cubic-bezier(0.4, 0.0, 0.2, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(102, 252, 241, 0.4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 20px rgba(102, 252, 241, 0.08);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.devtools-icon { background: rgba(102, 252, 241, 0.1); color: var(--color-primary); }
.security-icon { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.protection-icon { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.extensions-icon { background: rgba(156, 39, 176, 0.1); color: var(--color-secondary); }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.feature-card p {
  color: var(--text-mute);
  font-size: 0.95rem;
  line-height: 1.6;
}

kbd {
  background: #141923;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  font-family: var(--font-title);
  font-size: 0.8rem;
  color: var(--text-main);
}

/* ── Interactive Security Popover Section ────────────────────────────── */
.security-preview {
  padding: 9rem 2.5rem;
  border-top: 1px solid var(--border-light);
  background: #06080f;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 5rem;
}

.layout-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.accent-badge {
  color: var(--color-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.layout-text h2 {
  font-size: 2.75rem;
  line-height: 1.2;
}

.layout-text p {
  font-size: 1.1rem;
  color: var(--text-mute);
}

.security-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.security-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 1rem;
}

.list-bullet {
  color: var(--color-primary);
  font-weight: bold;
}

.layout-visual {
  display: flex;
  justify-content: center;
}

/* Popover Mockup Box styling */
.popover-mockup {
  width: 100%;
  max-width: 380px;
  background: rgba(20, 25, 38, 0.7);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: floatMockup 7s ease-in-out infinite alternate;
}

.popover-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.popover-lock-green {
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popover-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
}

.popover-divider {
  height: 1px;
  background: var(--border-light);
}

.popover-desc {
  font-size: 0.9rem;
  color: var(--text-mute);
  line-height: 1.5;
}

.popover-meta {
  font-size: 0.75rem;
  color: var(--color-primary);
  opacity: 0.8;
  font-family: monospace;
}

/* ── CTA Bottom Section ──────────────────────────────────────────────── */
.cta-bottom {
  padding: 9rem 2.5rem 8rem;
  text-align: center;
  background: radial-gradient(circle at 50% 50%, rgba(156, 39, 176, 0.1), transparent 60%);
  border-top: 1px solid var(--border-light);
}

.cta-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.2rem;
  color: var(--text-mute);
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  padding: 3.5rem 2.5rem;
  border-top: 1px solid var(--border-light);
  background: #03050a;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.footer-logo-text {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 800;
}

.copyright {
  font-size: 0.8rem;
  color: #56677f;
  text-align: center;
  max-width: 600px;
}

/* ── Keyframe Animations ─────────────────────────────────────────────── */
@keyframes floatMockup {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive Media Queries ────────────────────────────────────────── */
@media (max-width: 1200px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3.5rem;
  }

  .hero-content {
    align-items: center;
  }

  .hero-title {
    font-size: 3rem;
  }

  .split-layout {
    grid-template-columns: 1fr;
    gap: 4.5rem;
    text-align: center;
  }

  .layout-text {
    align-items: center;
  }

  .security-list {
    align-items: center;
  }

  .features {
    padding: 8rem 2rem;
  }

  .security-preview {
    padding: 8rem 2rem;
  }

  .cta-bottom {
    padding: 8rem 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    gap: 1.5rem;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .btn-download-lg {
    padding: 0.95rem 2rem;
    font-size: 0.95rem;
    gap: 1rem;
  }

  .browser-mockup {
    max-width: 90%;
  }
}

@media (max-width: 576px) {
  .nav-container {
    padding: 0.75rem 1rem;
  }

  .nav-menu {
    gap: 0.75rem;
  }

  .btn-download-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }

  .hero {
    padding: 6rem 1.5rem 3rem;
  }

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

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

  .section-title {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  .btn-download-lg {
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
    gap: 0.8rem;
  }

  .btn-main-text {
    font-size: 0.95rem;
  }

  .btn-sub-text {
    font-size: 0.65rem;
  }

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

  .browser-mockup {
    max-width: 100%;
  }

  .features {
    padding: 6rem 1.5rem;
  }

  .security-preview {
    padding: 6rem 1.5rem;
  }

  .cta-bottom {
    padding: 6rem 1.5rem;
  }

  .cta-title {
    font-size: 2rem;
  }

  .cta-desc {
    font-size: 1rem;
  }

  .split-layout {
    gap: 3rem;
  }

  .layout-text h2 {
    font-size: 2rem;
  }

  .feature-card {
    padding: 2rem 1.5rem;
    gap: 1.25rem;
  }

  .site-footer {
    padding: 2rem 1.5rem;
  }

  .hero-cta-group {
    width: 100%;
  }
}

/* ── Interactive Mockup Controls Sizing & Interactive Page Styling ───── */
.mockup-address-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-mute);
  font-size: 0.8rem;
  font-family: var(--font-body);
}
.mockup-address-input:focus {
  color: var(--text-main);
}

.browser-mockup.minimized {
  transform: translateY(0px) !important;
  animation: none !important;
}
.browser-mockup.minimized .mockup-content {
  display: none;
}

.browser-mockup.expanded {
  position: fixed;
  top: 5vh;
  left: 5vw;
  width: 90vw;
  height: 90vh;
  max-width: 90vw;
  z-index: 10000;
  transform: none !important;
  animation: none !important;
}
.browser-mockup.expanded .mockup-content {
  height: calc(100% - 48px);
}

.mock-restore-btn {
  background: rgba(102, 252, 241, 0.08);
  color: var(--color-primary);
  border: 1px dashed var(--border-glow);
  padding: 1rem 2rem;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  margin-top: 1rem;
}
.mock-restore-btn:hover {
  background: rgba(102, 252, 241, 0.2);
  transform: scale(1.02);
}

/* Mock Pages Inside Viewport */
.mock-viewport-page {
  width: 100%;
  height: 100%;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-y: auto;
  font-family: var(--font-body);
}

/* Mock Google Page */
.mock-google-page {
  background: #ffffff;
  color: #202124;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.google-logo-text {
  font-size: 2.2rem;
  font-weight: bold;
  letter-spacing: -0.05em;
}
.google-logo-text span:nth-child(1) { color: #4285F4; }
.google-logo-text span:nth-child(2) { color: #EA4335; }
.google-logo-text span:nth-child(3) { color: #FBBC05; }
.google-logo-text span:nth-child(4) { color: #4285F4; }
.google-logo-text span:nth-child(5) { color: #34A853; }
.google-logo-text span:nth-child(6) { color: #EA4335; }

.google-search-box {
  display: flex;
  align-items: center;
  width: 280px;
  height: 36px;
  border: 1px solid #dfe1e5;
  border-radius: 24px;
  padding: 0 1rem;
  background: #fff;
  box-shadow: none;
  font-size: 0.8rem;
  color: #70757a;
  gap: 0.5rem;
  cursor: text;
}

/* Mock GitHub Page */
.mock-github-page {
  background: #0d1117;
  color: #c9d1d9;
  align-items: stretch;
  justify-content: flex-start;
  padding: 1.25rem;
  gap: 1rem;
}
.github-repo-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  border-bottom: 1px solid #21262d;
  padding-bottom: 0.75rem;
}
.repo-badge {
  border: 1px solid #30363d;
  padding: 0.1rem 0.4rem;
  border-radius: 20px;
  font-size: 0.7rem;
  color: #8b949e;
}
.github-readme-box {
  border: 1px solid #30363d;
  border-radius: 6px;
  background: #161b22;
  padding: 1rem;
  font-size: 0.75rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.github-readme-box h3 {
  font-size: 1rem;
  color: #ffffff;
  border-bottom: 1px solid #30363d;
  padding-bottom: 0.25rem;
  margin-bottom: 0.25rem;
}
.github-readme-box ul {
  padding-left: 1rem;
  margin-top: 0.25rem;
}

/* Loading state inside mockup */
.mockup-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #0b0d13;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.mockup-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(102, 252, 241, 0.1);
  border-left-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Dynamic lock popover inside browser mockup header */
.mockup-address-bar {
  position: relative;
}
.mockup-lock-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 280px;
  background: rgba(20, 25, 38, 0.95);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 200;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.mockup-lock-popover.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mockup-nav-btn.disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}