:root {
  --boja-primarna: #1d5c4a;
  --boja-primarna-tamna: #143f33;
  --boja-akcent: #e8a23a;
  --boja-tekst: #2b2b2b;
  --boja-tekst-svijetli: #6b6b6b;
  --boja-pozadina: #ffffff;
  --boja-pozadina-siva: #f6f5f2;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--boja-tekst);
  background: var(--boja-pozadina);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  margin: 0 0 16px;
  line-height: 1.25;
}

p {
  margin: 0 0 12px;
}

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

/* Demo traka */
.demo-banner {
  background: var(--boja-akcent);
  color: #2b2000;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 16px;
  letter-spacing: 0.3px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Header */
.site-header {
  background: var(--boja-pozadina);
  border-bottom: 1px solid #eceae5;
  position: sticky;
  top: 40px;
  z-index: 999;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--boja-primarna);
}

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

nav a {
  margin-left: 28px;
  font-weight: 600;
  color: var(--boja-tekst);
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--boja-primarna);
}

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

.hero-content h1 {
  font-size: 2.6rem;
  max-width: 760px;
  margin: 0 auto 20px;
}

.hero-content p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 32px;
  color: #eef5f1;
}

.btn {
  display: inline-block;
  background: var(--boja-akcent);
  color: #2b2000;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

/* Usluge */
.usluge {
  padding: 90px 0;
  background: var(--boja-pozadina-siva);
}

.usluge h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--boja-primarna);
  margin-bottom: 48px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: #fff;
  padding: 32px 26px;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
}

.card h3 {
  color: var(--boja-primarna);
  font-size: 1.2rem;
}

.card p {
  color: var(--boja-tekst-svijetli);
  margin-bottom: 0;
}

/* O nama */
.o-nama {
  padding: 90px 0;
}

.o-nama-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 50px;
  align-items: center;
}

.o-nama-text h2 {
  color: var(--boja-primarna);
  font-size: 2rem;
}

.o-nama-text p {
  color: var(--boja-tekst-svijetli);
}

.o-nama-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat {
  background: var(--boja-pozadina-siva);
  border-radius: var(--radius);
  padding: 24px 12px;
  text-align: center;
}

.stat-broj {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--boja-akcent);
}

.stat-opis {
  font-size: 0.9rem;
  color: var(--boja-tekst-svijetli);
}

/* Kontakt */
.kontakt {
  padding: 90px 0;
  background: var(--boja-pozadina-siva);
}

.kontakt h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--boja-primarna);
  margin-bottom: 48px;
}

.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.kontakt-info p {
  background: #fff;
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.kontakt-forma form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.kontakt-forma input,
.kontakt-forma textarea {
  padding: 14px 16px;
  border: 1px solid #ddd9d0;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
}

.kontakt-forma input:focus,
.kontakt-forma textarea:focus {
  outline: none;
  border-color: var(--boja-primarna);
}

.kontakt-forma .btn {
  align-self: flex-start;
}

/* Footer */
.site-footer {
  background: var(--boja-primarna-tamna);
  color: #cfe3da;
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 860px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .o-nama-content {
    grid-template-columns: 1fr;
  }

  .kontakt-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav {
    flex-direction: column;
    gap: 10px;
  }

  nav a {
    margin-left: 14px;
  }

  .hero {
    padding: 70px 0;
  }

  .hero-content h1 {
    font-size: 1.9rem;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .o-nama-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .site-header {
    top: 0;
    position: static;
  }

  .demo-banner {
    position: static;
  }
}