/* ── Prisma landing — cool palette (steel blue / slate / ice white) ──────────
   Matches the "Frío" tone used for the Instagram series: steel blue accents,
   slate text, ice-grey surfaces, crisp white. One accent, lots of air. */

:root {
  --bg:          #f7f9fc;   /* ice white */
  --surface:     #ffffff;
  --ink:         #0f172a;   /* deep slate */
  --ink-soft:    #475569;   /* slate */
  --ink-faint:   #94a3b8;
  --accent:      #2563eb;   /* steel blue */
  --accent-deep: #1d4ed8;
  --accent-soft: #eff6ff;   /* ice blue tint */
  --line:        #e2e8f0;
  --radius:      16px;
  --shadow:      0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Type ──────────────────────────────────────────────────────────────── */

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
}

p { margin: 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

.lead,
.section-lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 560px;
}

.section-lead { margin-bottom: 40px; }

/* ── Buttons ───────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}
.btn-primary:hover { background: var(--accent-deep); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink-faint); }

.btn-light {
  background: #ffffff;
  color: var(--accent-deep);
}
.btn-light:hover { background: var(--accent-soft); }

.btn-sm { padding: 9px 18px; font-size: 0.85rem; }

/* ── Nav ───────────────────────────────────────────────────────────────── */

.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 249, 252, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 66px;
}

.brand {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  height: 34px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 26px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); }

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  padding: 96px 24px 72px;
  text-align: center;
}

.hero .lead { margin: 0 auto; }

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.trust-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin: 44px 0 0;
  padding: 0;
}

.trust-row li {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.trust-row li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 800;
  margin-right: 8px;
}

/* ── Sections & cards ──────────────────────────────────────────────────── */

.section { padding: 84px 24px; }

.section-tint {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-tint .container { padding: 84px 24px; }
.section-tint.section, .section-tint { padding: 0; }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
}

.card p { font-size: 0.9rem; color: var(--ink-soft); }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

/* ── Steps ─────────────────────────────────────────────────────────────── */

.steps { margin-top: 40px; }

.step {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.step p { font-size: 0.9rem; color: var(--ink-soft); }

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 16px;
}

/* ── Features ──────────────────────────────────────────────────────────── */

.features { margin-top: 40px; }

.feature {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
}

.feature p { font-size: 0.92rem; color: var(--ink-soft); }

/* ── CTA band ──────────────────────────────────────────────────────────── */

.cta-band {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #ffffff;
  padding: 76px 24px;
  text-align: center;
}

.cta-inner h2 { color: #ffffff; }

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
}

/* ── Footer ────────────────────────────────────────────────────────────── */

.footer {
  padding: 44px 24px 52px;
  text-align: center;
}

.footer-inner p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 10px;
}

.footer-copy { color: var(--ink-faint); }

.brand-footer { font-size: 1.05rem; }

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding: 64px 24px 56px; }
  .section { padding: 60px 24px; }
  .section-tint .container { padding: 60px 24px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}