/* =========================================================
   Kavano – Company Website Styles
   ========================================================= */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #1a1a2e;
  line-height: 1.7;
  background: #ffffff;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #1a1a2e;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #e8f4fd;
  letter-spacing: 0.05em;
}

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

.nav-links a {
  color: #c9d9e8;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #4fc3f7;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
  color: #ffffff;
  padding: 7rem 0 6rem;
  text-align: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: #b0c4de;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  background: #4fc3f7;
  color: #1a1a2e;
}

.btn-primary:hover {
  background: #81d4fa;
  transform: translateY(-2px);
}

/* ---------- Sections ---------- */
.section {
  padding: 5rem 0;
}

.section-light {
  background: #f5f8fc;
}

.section-dark {
  background: #1a1a2e;
  color: #e8f4fd;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-align: center;
}

.section-text {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.05rem;
  color: #4a5568;
}

.section-dark .section-text {
  color: #b0c4de;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.card {
  background: #16213e;
  border: 1px solid #0f3460;
  border-radius: 10px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: #e8f4fd;
}

.card p {
  font-size: 0.93rem;
  color: #8badbf;
  line-height: 1.6;
}

/* ---------- Contact ---------- */
.contact-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  color: #2d3748;
}

.contact-icon {
  font-size: 1.25rem;
}

.contact-link {
  color: #0f3460;
  font-weight: 600;
  text-decoration: underline;
  transition: color 0.2s;
}

.contact-link:hover {
  color: #4fc3f7;
}

.contact-cta {
  text-align: center;
  margin-top: 2rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0f0f1a;
  color: #8badbf;
  padding: 1.75rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: #e8f4fd;
}

.footer-copy,
.footer-location {
  font-size: 0.88rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .nav-links {
    gap: 1.2rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}