/* Product polish for AltCal – modern SaaS feel */
:root {
  --primary: #FDBE00;
  --primary-dark: #e5aa00;
  --dark: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --bg: #ffffff;
  --surface: #f8fafc;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

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

/* Header */
.main-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar-brand img { height: 42px; width: auto; }
.nav-link { font-weight: 500; color: var(--dark) !important; }
.my-btn, .btn-primary-custom {
  background: var(--primary);
  color: #111 !important;
  font-weight: 600;
  border-radius: 999px;
  padding: 10px 22px;
  border: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(253, 190, 0, 0.35);
}
.my-btn:hover, .btn-primary-custom:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  color: #111 !important;
}

/* Hero */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, #fff 0%, #fffbeb 100%);
  overflow: hidden;
}
.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--dark);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.hero h1 span { color: var(--primary); }
.hero .lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 2rem;
}
.hero-img {
  border-radius: 24px;
  box-shadow: var(--shadow);
  transform: perspective(1000px) rotateY(-4deg);
}

/* Sections */
.section { padding: 90px 0; }
.section-title {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: 0.75rem;
}
.section-sub {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 3rem;
}

/* Feature cards */
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  height: 100%;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.feature-card img { width: 56px; height: 56px; margin-bottom: 16px; }
.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.feature-card p { color: var(--muted); margin: 0; font-size: 0.98rem; }

/* Steps */
.step-number {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #111;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: white;
  border-radius: 24px;
  padding: 70px 40px;
  text-align: center;
}
.cta-section h2 { color: white; font-weight: 800; }
.cta-section p { color: #cbd5e1; }

/* Footer */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px;
}
footer a { color: #cbd5e1; }
footer a:hover { color: var(--primary); }
.footer-logo { height: 40px; }

/* Form popup polish */
.form-popup {
  border-radius: 20px !important;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2) !important;
  border: none !important;
}
.form-container input {
  border: 1px solid #e2e8f0 !important;
  box-shadow: none !important;
  border-radius: 12px !important;
  padding: 12px 16px !important;
}
.form-container .btn {
  border-radius: 12px !important;
  font-weight: 600;
}

/* Utilities */
.bg-soft { background: var(--surface); }
.text-muted-custom { color: var(--muted); }

@media (max-width: 768px) {
  .hero { padding: 70px 0 50px; }
  .section { padding: 60px 0; }
  .cta-section { padding: 40px 20px; }
}