/* =========================
   PROCALCPRO MAIN STYLES
========================= */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f7fa;
  color: #1f2937;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================
   HEADER
========================= */

.site-header {
  background: #0f172a;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #facc15;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.main-nav a {
  color: #ffffff;
  font-weight: 600;
  transition: 0.3s;
}

.main-nav a:hover {
  color: #facc15;
}

/* =========================
   HERO
========================= */

.hero {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: white;
  padding: 80px 20px;
}

.hero-box {
  max-width: 800px;
}

.eyebrow {
  color: #fde68a;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-text {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #e5e7eb;
}

/* =========================
   BUTTONS
========================= */

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  transition: 0.3s;
}

.btn-primary {
  background: #facc15;
  color: #111827;
}

.btn-primary:hover {
  background: #eab308;
}

.btn-secondary {
  background: rgba(255,255,255,0.15);
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.25);
}

/* =========================
   SECTIONS
========================= */

.section {
  padding: 70px 0;
}

.section h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.section-intro {
  text-align: center;
  color: #6b7280;
  margin-bottom: 40px;
}

/* =========================
   CALCULATOR GRID
========================= */

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.calc-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  transition: 0.3s;
  border: 1px solid #e5e7eb;
}

.calc-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.calc-card h3 {
  margin-bottom: 12px;
  color: #111827;
}

.calc-card p {
  color: #6b7280;
  margin-bottom: 15px;
}

.calc-card span {
  color: #2563eb;
  font-weight: 700;
}

/* =========================
   TRUST SECTION
========================= */

.trust-section {
  background: #ffffff;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.trust-grid div {
  background: #f9fafb;
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.trust-grid h3 {
  margin-bottom: 10px;
}

/* =========================
   FOOTER
========================= */

.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  text-align: center;
  padding: 40px 20px;
}

.footer-note {
  margin-top: 10px;
  font-size: 0.9rem;
  color: #94a3b8;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    gap: 12px;
  }

  .hero {
    padding: 60px 20px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
  }
}