/**
 * Premium Cert - Glavni stilski fajl (Modern Corporate Design)
 * Paleta boja izvedena iz logotipa: Kraljevska plava (#1e3a6c), Bordo crvena (#8d191b), Zlatna (#c59b27)
 */

:root {
  --color-primary: #1e3a6c;
  --color-primary-dark: #0f1e38;
  --color-primary-light: #2c4d87;
  --color-accent: #8d191b;
  --color-accent-hover: #ad1f22;
  --color-accent-subtle: #fdf2f2;
  --color-gold: #c59b27;
  --color-gold-subtle: #fef9ed;

  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Montserrat', var(--font-sans);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset i bazična tipografija */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.3rem, 1.8vw + 0.5rem, 1.75rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* Pristupačni skip link */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 1rem;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 10000;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Kontejner */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Top kontakt traka */
.topbar {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  font-size: 0.875rem;
  padding-block: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
}

.topbar-item a {
  color: #e2e8f0;
}

.topbar-item a:hover {
  color: #fff;
  text-decoration: underline;
}

.topbar-item svg {
  width: 15px;
  height: 15px;
  color: var(--color-gold);
}

.topbar-badge {
  background: rgba(197, 155, 39, 0.2);
  color: #fef3c7;
  border: 1px solid rgba(197, 155, 39, 0.4);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Glavna navigacija */
.site-header {
  background-color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
}

.brand-logo img {
  height: 52px;
  width: auto;
}

.main-nav {
  display: none;
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 0.9rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

/* Dropdown meni */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  min-width: 280px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.6rem;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 1010;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

.dropdown-link {
  display: block;
  padding: 0.6rem 0.9rem;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-link:hover,
.dropdown-link.active {
  background-color: var(--color-bg-alt);
  color: var(--color-accent);
  padding-left: 1.15rem;
}

/* Hamburger dugme za mobilne */
.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary-dark);
  margin-block: 2.5px;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobilna fioka */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(15, 30, 56, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background: #fff;
  padding: 1.5rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-drawer.open .mobile-drawer-content {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.close-drawer {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-list a {
  display: block;
  padding: 0.75rem 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-bg-subtle);
}

.mobile-sub-list {
  list-style: none;
  padding-left: 1rem;
  margin-top: 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-sub-list a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: none;
  padding: 0.4rem 0.5rem;
}

/* Dugmad */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(141, 25, 27, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(141, 25, 27, 0.35);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-white {
  background-color: #ffffff;
  color: var(--color-primary-dark);
}

.btn-white:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-accent);
}

.btn-sm {
  min-height: 40px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  min-height: 54px;
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

/* HERO Sekcija */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0f1e38 0%, #1e3a6c 60%, #17325e 100%);
  color: #ffffff;
  padding-block: clamp(3rem, 6vw, 5.5rem);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(197, 155, 39, 0.2);
  border: 1px solid rgba(197, 155, 39, 0.5);
  color: #fef3c7;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-gold);
}

.hero-title {
  color: #ffffff;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.hero-title span {
  color: #fca5a5;
  background: linear-gradient(90deg, #fca5a5, #fef08a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-feature-item svg {
  width: 22px;
  height: 22px;
  color: var(--color-gold);
  flex-shrink: 0;
}

.hero-feature-item span {
  font-size: 0.9rem;
  color: #f1f5f9;
  font-weight: 500;
}

.hero-media {
  position: relative;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: var(--color-primary-dark);
}

.hero-img-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-floating-card {
  position: absolute;
  bottom: -15px;
  left: -15px;
  background: #ffffff;
  color: var(--color-primary-dark);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  max-width: 260px;
  border-left: 4px solid var(--color-accent);
}

.hero-floating-card svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero-floating-card strong {
  display: block;
  font-size: 0.95rem;
}

.hero-floating-card small {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Statistika / Trust sekcija */
.stats-section {
  background-color: #ffffff;
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Standardi kartice */
.section {
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.standard-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.standard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--card-color, var(--color-primary));
  transition: height var(--transition-fast);
}

.standard-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-dark);
}

.standard-card:hover::before {
  height: 6px;
}

.standard-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.standard-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--card-color, var(--color-primary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.standard-icon svg {
  width: 26px;
  height: 26px;
}

.standard-code {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--color-bg-subtle);
  color: var(--color-primary);
}

.standard-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.standard-card-lead {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.standard-card-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-bg-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.standard-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.standard-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.standard-card:hover .standard-link svg {
  transform: translateX(4px);
}

/* 5 Koraka sertifikacije */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-step {
  background: #ffffff;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.step-active .step-number {
  background: var(--color-accent);
}

.process-step h4 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.process-step p {
  font-size: 0.885rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Call to action traka */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, #681113 100%);
  color: #ffffff;
  padding-block: 4rem;
  border-radius: var(--radius-xl);
  margin-block: 3rem;
  box-shadow: var(--shadow-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  color: #ffffff;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.cta-banner p {
  color: #fecaca;
  font-size: 1.15rem;
  max-width: 650px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  padding-top: 4.5rem;
  border-top: 4px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  color: #94a3b8;
}

.footer-badge-box {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #e2e8f0;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-block: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #94a3b8;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: #94a3b8;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}