/* ============================================================
   Kogniva.ai — Shared Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

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

:root {
  --blue:        #2563eb;
  --blue-light:  #eff6ff;
  --blue-mid:    #dbeafe;
  --blue-deep:   #1d4ed8;
  --blue-darker: #1e3a8a;
  --green:       #059669;
  --green-bg:    #ecfdf5;
  --green-border:#a7f3d0;
  --amber:       #d97706;
  --amber-bg:    #fffbeb;
  --amber-border:#fde68a;
  --red:         #dc2626;
  --slate-900:   #0f172a;
  --slate-800:   #1e293b;
  --slate-700:   #334155;
  --slate-600:   #475569;
  --slate-500:   #64748b;
  --slate-400:   #94a3b8;
  --slate-300:   #cbd5e1;
  --slate-200:   #e2e8f0;
  --slate-100:   #f1f5f9;
  --slate-50:    #f8fafc;
  --white:       #ffffff;
  --radius:      12px;
  --radius-lg:   20px;
  --font-display:'Lora', serif;
  --font-body:   'Inter', sans-serif;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:   0 4px 16px rgba(37,99,235,.1), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:   0 12px 40px rgba(37,99,235,.14), 0 4px 12px rgba(0,0,0,.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--slate-700);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Layout ── */
.container  { max-width: 1080px; margin: 0 auto; padding: 0 32px; }
section     { padding: 80px 0; }
section.tight { padding: 52px 0; }

/* ── Typography ── */
.eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}
h2.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.22;
  margin-bottom: 8px;
}
.section-sub {
  color: var(--slate-500);
  font-size: 1rem;
  margin-bottom: 44px;
  max-width: 560px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: var(--white);
  padding: 13px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: .95rem; text-decoration: none;
  box-shadow: 0 4px 14px rgba(37,99,235,.32);
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,99,235,.4); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--blue);
  padding: 12px 24px; border-radius: var(--radius);
  font-weight: 600; font-size: .95rem; text-decoration: none;
  border: 1.5px solid var(--blue-mid);
  transition: background .2s, border-color .2s;
}
.btn-ghost:hover { background: var(--blue-light); border-color: var(--blue); }

.btn-whatsapp {
  display: inline-flex; align-items: center; gap: 8px;
  background: #25d366; color: var(--white);
  padding: 13px 22px; border-radius: var(--radius);
  font-weight: 600; font-size: .95rem; text-decoration: none;
  box-shadow: 0 4px 14px rgba(37,211,102,.28);
  transition: background .2s, transform .15s;
}
.btn-whatsapp:hover { background: #1db954; transform: translateY(-2px); }

/* ── Navigation ── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-100);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px; max-width: 1080px; margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 700;
  color: var(--slate-900); text-decoration: none;
  letter-spacing: -.02em;
}
.nav-logo span { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 7px 14px; border-radius: 8px;
  font-size: .88rem; font-weight: 500;
  color: var(--slate-600); text-decoration: none;
  transition: background .18s, color .18s;
}
.nav-links a:hover, .nav-links a.active { background: var(--blue-light); color: var(--blue); }
.nav-cta {
  padding: 8px 18px !important;
  background: var(--blue) !important;
  color: var(--white) !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--blue-deep) !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 4px; color: var(--slate-700);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* ── Footer ── */
.site-footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 48px 0 28px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--slate-800);
  margin-bottom: 24px;
}
.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 700;
  color: var(--white); margin-bottom: 10px;
}
.footer-brand .logo span { color: var(--blue); }
.footer-brand p { font-size: .88rem; line-height: 1.65; max-width: 260px; }
.footer-col h4 { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--slate-300); margin-bottom: 14px; }
.footer-col a { display: block; font-size: .88rem; color: var(--slate-400); text-decoration: none; margin-bottom: 8px; transition: color .18s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { font-size: .8rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom a { color: var(--slate-400); text-decoration: none; }
.footer-bottom a:hover { color: var(--white); }

/* ── Page Hero ── */
.page-hero {
  padding: 72px 0 64px;
  background: radial-gradient(ellipse 80% 60% at 80% 30%, #eff6ff 0%, transparent 65%),
              radial-gradient(ellipse 50% 40% at 10% 80%, #f0fdf4 0%, transparent 60%), var(--white);
}
.page-hero-eyebrow { margin-bottom: 14px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700; color: var(--slate-900);
  line-height: 1.18; letter-spacing: -.02em;
  margin-bottom: 18px;
}
.page-hero h1 em { font-style: italic; color: var(--blue); }
.page-hero p {
  font-size: 1.05rem; color: var(--slate-500);
  line-height: 1.75; max-width: 560px; margin-bottom: 32px;
}
.page-hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ── Badge pills ── */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 14px;
  font-size: .78rem; font-weight: 600;
}
.pill-blue   { background: var(--blue-light); color: var(--blue); border: 1px solid var(--blue-mid); }
.pill-green  { background: var(--green-bg);   color: var(--green); border: 1px solid var(--green-border); }
.pill-amber  { background: var(--amber-bg);   color: var(--amber); border: 1px solid var(--amber-border); }
.pill-red    { background: #fef2f2;            color: var(--red);   border: 1px solid #fecaca; }
.pill-dark   { background: var(--slate-800);   color: var(--slate-300); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ── Divider ── */
.divider { height: 1px; background: var(--slate-100); margin: 0; }

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── CTA strip ── */
.cta-strip {
  background: linear-gradient(135deg, var(--blue) 0%, #1e40af 100%);
  padding: 80px 0;
  text-align: center;
}
.cta-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700; color: var(--white);
  margin-bottom: 10px;
}
.cta-strip p { color: rgba(255,255,255,.75); font-size: 1rem; margin-bottom: 32px; }
.cta-strip-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); color: var(--blue);
  padding: 13px 26px; border-radius: var(--radius);
  font-weight: 700; font-size: .95rem; text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
  transition: transform .15s, box-shadow .2s;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.btn-wa-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: #25d366; color: var(--white);
  padding: 13px 22px; border-radius: var(--radius);
  font-weight: 700; font-size: .95rem; text-decoration: none;
  transition: background .2s, transform .15s;
}
.btn-wa-white:hover { background: #1db954; transform: translateY(-2px); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  section { padding: 56px 0; }
  .nav-inner { padding: 14px 20px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); padding: 16px; border-bottom: 1px solid var(--slate-100); box-shadow: var(--shadow-md); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .page-hero-ctas { flex-direction: column; }
}
@media (max-width: 480px) {
  .page-hero h1 { font-size: 1.75rem; }
}