/* ── Chameleon AI — shared stylesheet ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --brand-start: #667eea;
  --brand-end:   #764ba2;
  --brand-mid:   #7166e8;
  --text:        #1e1e2e;
  --muted:       #64638a;
  --bg:          #f4f4f8;
  --card-bg:     #ffffff;
  --border:      #e0dff0;
  --green:        #22c55e;
  --amber:        #f59e0b;
  --radius:      14px;
  --shadow:      0 4px 24px rgba(102,126,234,.15);
  --shadow-lg:   0 16px 56px rgba(102,126,234,.22);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

/* ── Nav ── */
nav {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,.25);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1.5rem; gap: 1rem;
}
.nav-brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.nav-brand span { font-size: 1.6rem; }
.nav-brand img  { width: 32px; height: 32px; border-radius: 6px; object-fit: cover; }
.nav-brand strong { color: #fff; font-size: 1.05rem; letter-spacing: .02em; }
.nav-links { display: flex; flex-wrap: wrap; gap: .25rem; }
.nav-links a {
  color: rgba(255,255,255,.88);
  text-decoration: none;
  padding: .35rem .75rem;
  border-radius: 50px;
  font-size: .88rem;
  transition: background .2s, color .2s;
}
.nav-links a:hover, .nav-links a.active {
  background: rgba(255,255,255,.22);
  color: #fff;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  color: white; text-align: center;
  padding: 5rem 1.5rem 4rem;
}
.hero-icon { font-size: 4rem; margin-bottom: 1rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; margin-bottom: .75rem; }
.hero .sub { font-size: 1.2rem; opacity: .88; max-width: 640px; margin: 0 auto 1.5rem; font-weight: 300; }
.hero-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; margin-top: 1.4rem; }
.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px);
  padding: .4rem 1rem; border-radius: 50px;
  font-size: .84rem;
}
.pulse { width:8px;height:8px;background:#4ade80;border-radius:50%;animation:pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:.4} }

/* ── Page body container ── */
.page { max-width: 1200px; margin: 0 auto; padding: 3rem 1.5rem; }

/* ── Section titles ── */
.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-title h2 { font-size: 1.9rem; color: var(--brand-start); margin-bottom: .4rem; }
.section-title p  { color: var(--muted); font-size: 1.05rem; }

/* ── Cards grid ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.6rem;
}
.card {
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 1.8rem;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.card-icon { font-size: 2.4rem; margin-bottom: .9rem; }
.card h3 { color: var(--brand-start); margin-bottom: .5rem; font-size: 1.1rem; }
.card p { color: var(--muted); font-size: .95rem; }
.card ul { color: var(--muted); font-size: .93rem; padding-left: 1.2rem; margin-top: .5rem; }
.card ul li { margin-bottom: .3rem; }

/* ── Wide card (full row) ── */
.card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem; align-items: start;
}
@media (max-width:700px) { .card-wide { grid-template-columns: 1fr; } }

/* ── Feature strip (icon + text row) ── */
.strip { display: flex; flex-direction: column; gap: 1rem; margin: 2rem 0; }
.strip-item {
  display: flex; gap: 1.2rem; align-items: flex-start;
  background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 1.2rem 1.5rem;
  box-shadow: var(--shadow);
}
.strip-icon { font-size: 2rem; flex-shrink: 0; margin-top: .1rem; }
.strip-body h4 { color: var(--brand-start); margin-bottom: .25rem; }
.strip-body p  { color: var(--muted); font-size: .95rem; }

/* ── Two-column split ── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem; align-items: start;
  margin: 2rem 0;
}
@media (max-width:700px) { .split { grid-template-columns: 1fr; } }

/* ── Spec table ── */
.spec-table {
  width: 100%; border-collapse: collapse;
  background: var(--card-bg); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  font-size: .93rem;
}
.spec-table th {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  color: white; text-align: left; padding: .75rem 1.1rem;
  font-weight: 600;
}
.spec-table td { padding: .7rem 1.1rem; border-bottom: 1px solid var(--border); color: var(--muted); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:hover td { background: #f8f7ff; }

/* ── CTA band ── */
.cta-band {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  border-radius: var(--radius); color: white;
  text-align: center; padding: 3rem 2rem; margin-top: 3rem;
}
.cta-band h3 { font-size: 1.6rem; margin-bottom: .6rem; }
.cta-band p  { opacity: .88; margin-bottom: 1.4rem; }
.btn {
  display: inline-block;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.35);
  color: white; text-decoration: none;
  padding: .75rem 1.8rem; border-radius: 50px;
  font-weight: 600; font-size: .95rem;
  transition: background .25s;
  margin: .3rem;
}
.btn:hover { background: rgba(255,255,255,.33); }
.btn-solid {
  background: white; color: var(--brand-start);
}
.btn-solid:hover { background: #f0efff; }

/* ── Tag chips ── */
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.tag {
  background: #eeeeff; color: var(--brand-start);
  padding: .25rem .75rem; border-radius: 50px;
  font-size: .8rem; font-weight: 600;
}

/* ── Screenshots ── */
.screenshots { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.screenshot-frame {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  background: var(--card-bg);
}
.screenshot-frame img { width: 100%; height: auto; display: block; }
.screenshot-frame.phone {
  max-width: 280px; margin: 0 auto;
  border-radius: 28px; border: 4px solid #1a1a2e;
  box-shadow: 0 24px 64px rgba(0,0,0,.35);
}
.screenshot-caption { padding: .6rem 1rem; font-size: .82rem; color: var(--muted); text-align: center; }
.screenshot-placeholder {
  aspect-ratio: 16/9; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .6rem;
  background: repeating-linear-gradient(
    45deg, #f4f4f8 0px, #f4f4f8 10px, #eeeeff 10px, #eeeeff 20px);
  color: var(--muted); font-size: .9rem;
}
.screenshot-placeholder.phone-ratio { aspect-ratio: 9/19; }
.screenshot-placeholder .ph-icon { font-size: 2.5rem; opacity: .4; }

/* ── Footer ── */
footer {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
  color: rgba(255,255,255,.85); text-align: center;
  padding: 2rem 1.5rem;
}
footer a { color: rgba(255,255,255,.9); }
footer .foot-links { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.5rem; margin-bottom: .8rem; }
footer .foot-links a { text-decoration: none; font-size: .9rem; }
footer .foot-links a:hover { color: #fff; text-decoration: underline; }

/* ── Responsive nav ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2rem; }
  .hero .sub { font-size: 1rem; }
}