:root {
  --bg: #f2efe4;
  --ink: #212018;
  --muted: #5d5b4e;
  --accent: #0e6f5c;
  --accent-2: #d95d39;
  --card: rgba(255, 255, 255, 0.74);
  --border: rgba(33, 32, 24, 0.12);
}

* {
  box-sizing: border-box;
}

body.about-page {
  margin: 0;
  min-height: 100vh;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(217, 93, 57, 0.2), transparent 45%),
    radial-gradient(circle at 80% 18%, rgba(14, 111, 92, 0.22), transparent 40%),
    linear-gradient(160deg, #f8f6ef 0%, var(--bg) 100%);
  position: relative;
  overflow-x: hidden;
}

.about-glow {
  position: fixed;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(44px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.about-glow-a {
  background: #e9a17e;
  top: -120px;
  left: -90px;
}

.about-glow-b {
  background: #75b9ac;
  right: -90px;
  bottom: -140px;
}

.about-hero,
.about-main,
.about-footer {
  position: relative;
  z-index: 1;
}

.about-hero {
  max-width: 980px;
  margin: 0 auto;
  padding: 34px 22px 26px;
  animation: rise-in 0.55s ease;
}

.about-back {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 22px;
}

.about-back:hover {
  color: var(--accent);
}

.about-kicker {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  font-weight: 700;
}

.about-hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(1.8rem, 5.2vw, 3.2rem);
  line-height: 1.12;
}

.about-sub {
  margin: 16px 0 0;
  max-width: 700px;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.6;
}

.about-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 11px 18px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(90deg, #0a5a4a, #0f6a57);
  box-shadow: 0 8px 20px rgba(14, 111, 92, 0.28);
}

.btn-ghost {
  color: var(--ink);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.65);
}

.about-main {
  max-width: 980px;
  margin: 0 auto;
  padding: 8px 22px 34px;
}

.about-grid {
  display: grid;
  gap: 14px;
}

.features {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 17px;
  background: var(--card);
  backdrop-filter: blur(6px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
  animation: rise-in 0.5s ease;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.95rem;
}

.stack {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
  padding: 16px;
}

.stack h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips span {
  border: 1px solid #7fb3a8;
  color: #084235;
  background: #d8eee8;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.84rem;
  font-weight: 600;
}

.metrics {
  margin-top: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-block {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  padding: 16px;
}

.demo-block h2,
.quote-block h2 {
  margin: 0;
  font-size: 1.1rem;
}

.demo-sub {
  margin: 8px 0 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.demos {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: #fff;
}

.demo-step {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #0c5f4e;
  background: #d9eee8;
  border: 1px solid #7fb3a8;
  border-radius: 999px;
  padding: 4px 9px;
}

.demo-card h3 {
  margin: 10px 0 8px;
  font-size: 0.98rem;
}

.demo-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.quote-block {
  margin-top: 16px;
}

.quotes {
  margin-top: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quote-card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 14px;
  background: linear-gradient(160deg, #fff, #f6f2e9);
  color: #3f3c32;
  font-size: 0.95rem;
  line-height: 1.6;
  font-style: italic;
}

.metric {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.76);
  text-align: center;
}

.metric-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-2);
}

.metric-label {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
}

.about-footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 4px 22px 36px;
  color: var(--muted);
  font-size: 0.88rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 820px) {
  .features,
  .metrics,
  .demos,
  .quotes {
    grid-template-columns: 1fr;
  }
}