/* ==========================================================================
   Kosher Software — Stylesheet
   Clean, professional default theme
   ========================================================================== */

:root {
  --color-primary: #1f4e5f;      /* deep teal */
  --color-primary-dark: #163a47;
  --color-accent: #2f8f6f;       /* muted green accent */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8f9;
  --color-text: #263238;
  --color-text-light: #5a6b70;
  --color-border: #e1e6e8;
  --max-width: 1100px;
  --radius: 10px;
  --transition: 0.2s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo span {
  color: var(--color-accent);
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

.nav a:hover {
  color: var(--color-primary);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.tagline {
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.9);
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* ---------- Services ---------- */
.services {
  padding: 90px 0;
  background-color: var(--color-bg);
}

.services h2,
.about h2,
.contact h2 {
  font-size: 2rem;
  text-align: center;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 50px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.card p {
  color: var(--color-text-light);
  font-size: 0.97rem;
}

/* ---------- About ---------- */
.about {
  padding: 90px 0;
  background-color: var(--color-bg-alt);
}

.about-content {
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}

.about-content p {
  color: var(--color-text-light);
}

/* ---------- Contact ---------- */
.contact {
  padding: 90px 0;
  background-color: var(--color-bg);
  text-align: center;
}

.contact-content p {
  color: var(--color-text-light);
  margin-bottom: 28px;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }

  .nav {
    gap: 16px;
  }
}