/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--dark); background: #fff; }

/* ── Variables ───────────────────────────────────────────────────────────── */
:root {
  --blue:      #2563EB;
  --blue-hover:#1D4ED8;
  --dark:      #0F172A;
  --secondary: #475569;
  --border:    #E2E8F0;
  --surface:   #F8FAFC;
  --green:     #10B981;
  --radius:    8px;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Nav ─────────────────────────────────────────────────────────────────── */
nav[role="banner"] {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { text-decoration: none; display: flex; align-items: center; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
@media (max-width: 640px) { .nav-links { display: none; } }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-ghost {
  padding: 7px 16px; border-radius: var(--radius); border: none; background: transparent;
  color: var(--secondary); font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500;
  cursor: pointer; text-decoration: none; transition: color 0.15s, background 0.15s;
  display: inline-flex; align-items: center;
}
.btn-ghost:hover { color: var(--dark); background: var(--surface); }

.btn-primary {
  padding: 7px 18px; border-radius: var(--radius); border: none;
  background: var(--blue); color: #fff;
  font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s;
  display: inline-flex; align-items: center;
}
.btn-primary:hover { background: var(--blue-hover); box-shadow: 0 2px 10px rgba(37,99,235,0.3); }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer { background: var(--dark); padding: 28px 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo { text-decoration: none; display: flex; align-items: center; }
.footer-copy { font-size: 13px; color: #64748B; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: #94A3B8; text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: #fff; }
@media (max-width: 768px) {
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

/* ── Label tag ───────────────────────────────────────────────────────────── */
.label-tag {
  display: inline-flex; align-items: center; padding: 4px 14px;
  background: #EFF6FF; border: 1px solid #BFDBFE; border-radius: 99px;
  font-size: 12px; font-weight: 600; color: var(--blue);
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 20px;
}

/* ── Form inputs ─────────────────────────────────────────────────────────── */
input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-family: 'Inter', sans-serif; font-size: 14px; color: var(--dark);
  background: #fff; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
input::placeholder, textarea::placeholder { color: #94A3B8; }

/* ── Fade-up scroll animation ────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }