/* ============================================
   JEMMA.APP — Navigation & Layout
   ============================================ */

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5,9,17,0.75);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}

.nav-logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--emerald), var(--indigo));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(16,185,129,0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 100px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  white-space: nowrap;
}

.btn-primary {
  background: var(--emerald);
  color: #fff;
  box-shadow: 0 4px 16px rgba(16,185,129,0.35);
}
.btn-primary:hover {
  background: var(--emerald-deep);
  box-shadow: 0 8px 24px rgba(16,185,129,0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-hi);
  color: var(--text);
}

.btn-outline-emerald {
  background: var(--emerald-glow);
  color: var(--emerald);
  border: 1px solid var(--border-hi);
}
.btn-outline-emerald:hover {
  background: rgba(16,185,129,0.25);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 1rem;
  border-radius: 16px;
}

/* ---- LAYOUT ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

/* ---- TYPOGRAPHY UTILS ---- */
.label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 1rem;
}

.h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
}

.h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
}

.h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.gradient-text {
  background: linear-gradient(135deg, #fff 40%, var(--emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-mid { color: var(--text-mid); }
.text-center { text-align: center; }

/* ---- CARDS ---- */
.glass-card {
  background: rgba(15,24,41,0.7);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}
.glass-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

/* ---- GRID ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-mid);
  margin-top: 1rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-mid);
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--emerald); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }