body.about-page {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font);
  overflow-x: hidden;
}

body.about-page { padding-top: 84px; }

.about-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 40px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 200;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: padding var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.about-nav.is-scrolled {
  padding: 14px 40px;
  background: rgba(0,0,0,0.88);
  border-color: var(--border);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}
.about-nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-transform: lowercase;
  color: var(--text-1);
}
.about-nav-mark { width: 26px; height: 26px; border-radius: 7px; flex-shrink: 0; }
.about-nav-actions { display: flex; align-items: center; gap: 22px; }
.about-nav-link {
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.about-nav-link:hover { color: var(--text-1); opacity: 1; }
.about-nav-btn {
  background: var(--white);
  color: var(--black);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.88rem;
  transition: opacity var(--transition), transform var(--transition);
}
.about-nav-btn:hover { opacity: 0.88; transform: translateY(-1px); }

.about-hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 90px 40px 110px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 40px;
  position: relative;
}
.about-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 10%;
  width: 640px;
  height: 460px;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.about-hero-text { text-align: left; }
.about-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border: 1px solid var(--border-md);
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-3);
  margin-bottom: 24px;
}
.about-hero-badge svg { width: 13px; height: 13px; color: var(--text-2); }
.about-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.12;
  margin-bottom: 22px;
}
.about-hero p {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 34px;
}
.about-hero-actions { display: flex; align-items: center; gap: 14px; }

.about-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--white);
  color: var(--black);
  padding: 15px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.98rem;
  transition: opacity var(--transition), transform var(--transition);
}
.about-cta svg { width: 17px; height: 17px; transition: transform var(--transition); }
.about-cta:hover { opacity: 0.88; transform: translateY(-1px); }
.about-cta:hover svg { transform: translateX(3px); }

.about-cta-secondary {
  display: inline-flex;
  align-items: center;
  padding: 15px 26px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-md);
  color: var(--text-1);
  font-weight: 600;
  font-size: 0.98rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.about-cta-secondary:hover { background: var(--surface-3); border-color: var(--text-4); opacity: 1; transform: translateY(-1px); }

.about-hero-visual { position: relative; }
.about-browser-frame {
  background: var(--surface-1);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.55);
}
.about-browser-frame--float { animation: aboutFloat 6s ease-in-out infinite; }
.about-browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.about-browser-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.dot-red { background: #f87171; }
.dot-yellow { background: #fbbf24; }
.dot-green { background: #4ade80; }
.about-browser-url {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
  padding: 4px 14px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  color: var(--text-3);
  font-weight: 500;
}
.about-browser-url svg { width: 11px; height: 11px; }

.about-browser-body {
  position: relative;
  width: 100%;
  height: 360px;
  overflow: hidden;
  background: #000;
}
.about-browser-body iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1500px;
  height: 950px;
  border: 0;
  pointer-events: none;
  transform: scale(0.4);
  transform-origin: top left;
}

.about-floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--surface-2);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-1);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  white-space: nowrap;
}
.about-floating-card svg { width: 16px; height: 16px; color: var(--success); flex-shrink: 0; }
.about-floating-card--a {
  top: -18px;
  left: -30px;
  animation: aboutFloat 5s ease-in-out infinite;
}
.about-floating-card--b {
  bottom: -18px;
  right: -20px;
  animation: aboutFloat 5.5s ease-in-out infinite 0.4s;
}
.about-floating-card--b svg { color: var(--accent); }

@keyframes aboutFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s cubic-bezier(.22,1,.36,1), transform 0.6s cubic-bezier(.22,1,.36,1);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal-delay="0"].is-visible { transition-delay: 0s; }
[data-reveal-delay="1"].is-visible { transition-delay: 0.1s; }
[data-reveal-delay="2"].is-visible { transition-delay: 0.2s; }

.about-features {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.about-feature {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: border-color var(--transition), transform var(--transition);
}
.about-feature:hover { border-color: var(--border-md); transform: translateY(-2px); }
.about-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface-3);
  border: 1px solid var(--border-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), filter var(--transition);
}
.about-feature-icon svg { width: 20px; height: 20px; color: var(--text-1); transition: color var(--transition); }
.about-feature:hover .about-feature-icon { transform: scale(1.06); filter: brightness(1.12); }

.about-feature-icon.c-accent  { background: var(--accent-bg);  border-color: var(--accent-border); }
.about-feature-icon.c-accent svg  { color: var(--accent); }
.about-feature-icon.c-success { background: var(--success-bg); border-color: var(--success-border); }
.about-feature-icon.c-success svg { color: var(--success); }
.about-feature-icon.c-warning { background: var(--warning-bg); border-color: var(--warning-border); }
.about-feature-icon.c-warning svg { color: var(--warning); }

.about-feature h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}
.about-feature p {
  font-size: 0.87rem;
  font-weight: 300;
  color: var(--text-3);
  line-height: 1.6;
}

.about-cta-band {
  text-align: center;
  padding: 90px 24px;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.about-cta-band::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 700px;
  height: 300px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.about-cta-band h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 28px;
  position: relative;
}
.about-cta-band .about-cta { position: relative; }

.about-footer {
  text-align: center;
  padding: 40px 24px 50px;
  border-top: 1px solid var(--border);
}
.about-footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}
.about-footer p {
  color: var(--text-4);
  font-size: 0.8rem;
  margin-top: 10px;
}

.about-stats {
  max-width: 1010px;
  margin: 0 auto;
  padding: 0 24px 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-stat {
  background: var(--surface-2);
  padding: 26px 20px;
  text-align: center;
}
.about-stat-value {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--text-1);
  margin-bottom: 4px;
}
.about-stat-label {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-3);
  line-height: 1.4;
}

.about-stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-stat-icon svg {
  width: 28px;
  height: 28px;
  color: var(--success);
}

.about-section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 90px 24px;
}
.about-section-alt {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  background: var(--surface-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-section-alt > .about-section-head,
.about-section-alt > .about-steps,
.about-section-alt > .about-preview,
.about-section-alt > .about-faq {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.about-section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}
.about-section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 14px;
}
.about-section-head p {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-3);
  line-height: 1.6;
}

.about-section .about-features { padding: 0; }

.about-preview { max-width: 780px; margin: 0 auto; }
.about-browser-frame--dash { box-shadow: 0 20px 60px rgba(0,0,0,0.45); }
.about-dash-mock {
  display: flex;
  min-height: 340px;
  background: var(--bg);
}
.about-dash-sidebar {
  width: 180px;
  flex-shrink: 0;
  background: var(--black);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
}
.about-dash-sidebar .sidebar-logo { font-size: 0.95rem; margin-bottom: 22px; padding: 0 6px; }
.about-dash-nav { display: flex; flex-direction: column; }
.about-dash-nav .nav-link { pointer-events: none; font-size: 0.83rem; padding: 8px 10px; }
.about-dash-nav .nav-link svg { width: 15px; height: 15px; }
.about-dash-main { flex: 1; padding: 22px 24px; min-width: 0; }
.about-dash-topbar { display: flex; justify-content: flex-end; margin-bottom: 18px; }
.about-dash-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--white), #cfcfcf);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
}
.about-dash-row { padding: 13px 4px; }
.about-dash-row .row-icon { width: 34px; height: 34px; flex-shrink: 0; }
.about-dash-row .row-icon svg { width: 16px; height: 16px; }
.about-dash-row .title { font-size: 0.86rem; }
.about-dash-row .subtitle { font-size: 0.76rem; }

.about-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
.about-steps::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-md) 20%, var(--border-md) 80%, transparent);
}
.about-step { position: relative; padding: 4px; }
.about-step-number {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-4);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  position: relative;
  background: var(--bg);
  display: inline-block;
  padding-right: 10px;
}
.about-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}
.about-step p {
  font-size: 0.87rem;
  font-weight: 300;
  color: var(--text-3);
  line-height: 1.6;
}

.about-apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.about-app-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition);
}
.about-app-card:hover { border-color: var(--border-md); transform: translateY(-2px); }
.about-app-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--surface-3);
  border: 1px solid var(--border-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-2);
  flex-shrink: 0;
}
.about-app-card h3 {
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: -0.2px;
  margin-bottom: 2px;
}
.about-app-card p {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-3);
}

.about-faq {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-faq-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: border-color var(--transition);
}
.about-faq-item[open] { border-color: var(--border-md); }
.about-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--text-1);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.about-faq-item summary::-webkit-details-marker { display: none; }
.about-faq-item summary::after {
  content: '+';
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.about-faq-item[open] summary::after { transform: rotate(45deg); }
.about-faq-item p {
  margin-top: 12px;
  font-size: 0.86rem;
  font-weight: 300;
  color: var(--text-3);
  line-height: 1.6;
  animation: aboutFadeDown 0.25s ease-out both;
}
.window-preview {
  overflow: hidden;
  border-radius: 8px;
}
.preview-img {
  width: 110%;
  height: 110%;
  object-fit: cover;
  display: block;
}
@keyframes aboutFadeDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1000px) {
  .about-hero { grid-template-columns: 1fr; text-align: center; padding: 70px 24px 60px; }
  .about-hero-text { text-align: center; }
  .about-hero p { margin-left: auto; margin-right: auto; }
  .about-hero-actions { justify-content: center; }
  .about-hero-visual { display: none; }
}
@media (max-width: 900px) {
  .about-features { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-steps { grid-template-columns: 1fr; gap: 32px; }
  .about-steps::before { display: none; }
  .about-apps-grid { grid-template-columns: repeat(2, 1fr); }
  .about-dash-sidebar { width: 140px; }
}
@media (max-width: 600px) {
  body.about-page { padding-top: 72px; }
  .about-nav { padding: 18px 20px; }
  .about-nav.is-scrolled { padding: 12px 20px; }
  .about-nav-link { display: none; }
  .about-hero h1 { font-size: 2.1rem; letter-spacing: -1px; }
  .about-hero-actions { flex-direction: column; align-items: stretch; }
  .about-cta, .about-cta-secondary { justify-content: center; }
  .about-cta-band { padding: 60px 20px; }
  .about-section { padding: 60px 20px; }
  .about-section-head h2 { font-size: 1.5rem; }
  .about-stats { grid-template-columns: 1fr 1fr; padding: 0 20px 60px; }
  .about-stat { padding: 20px 14px; }
  .about-apps-grid { grid-template-columns: 1fr; }
  .about-dash-mock { flex-direction: column; }
  .about-dash-sidebar { width: auto; display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; }
  .about-dash-nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .about-browser-frame--float,
  .about-floating-card--a,
  .about-floating-card--b { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}