/* ================================================================
   RibaDent.ba – Glavni stylesheet
   Tema: moderan dental design (plava + žuta + crvena + siva)
   ================================================================ */

/* ── Varijable ─────────────────────────────────────────────── */
:root {
  --dens-primary:   #0D47A1;    /* Tamno plava */
  --dens-secondary: #1976D2;    /* Srednje plava */
  --dens-accent:    #FFC107;    /* Žuta */
  --dens-danger:    #E53935;    /* Crvena */
  --dens-light:     #F8F9FA;    /* Svijetlo siva bg */
  --dens-white:     #ffffff;
  --dens-dark:      #212121;    /* Crna za text */
  --dens-text:      #424242;    /* Tamno siva za tekst */
  --dens-muted:     #757575;    /* Muted siva */
  --dens-border:    #E0E0E0;    /* Border */
  --dens-shadow:    0 8px 32px rgba(13, 71, 161, 0.15);
  --dens-shadow-lg: 0 12px 48px rgba(13, 71, 161, 0.2);
  --dens-radius:    16px;
  --dens-radius-sm: 8px;
  --font-heading:   'Raleway', sans-serif;
  --font-body:      'Open Sans', sans-serif;
}

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

body {
  font-family: var(--font-body);
  color: var(--dens-text);
  background: var(--dens-white);
  line-height: 1.7;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--dens-dark);
  line-height: 1.3;
}

a { color: var(--dens-secondary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--dens-primary); }

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

.section-pad { padding: 80px 0; }
@media (max-width: 768px) { .section-pad { padding: 50px 0; } }

/* ── Topbar ─────────────────────────────────────────────────── */
.dens-topbar {
  background: linear-gradient(90deg, var(--dens-primary), var(--dens-secondary));
  color: rgba(255,255,255,.9);
  font-size: 13.5px;
  font-weight: 500;
}
.dens-topbar a {
  color: rgba(255,255,255,.9);
  text-decoration: none;
  transition: all .2s;
  border-bottom: 2px solid transparent;
}
.dens-topbar a:hover { 
  color: var(--dens-accent); 
  border-bottom-color: var(--dens-accent);
}

/* ── Navbar ─────────────────────────────────────────────────── */
.dens-navbar {
  background: var(--dens-white);
  border-bottom: none;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
  padding: 1rem 0;
  transition: all .3s;
}
.dens-navbar.scrolled { 
  box-shadow: 0 4px 32px rgba(0,0,0,.12); 
  padding: .6rem 0;
}

.dens-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: 1px;
  color: var(--dens-primary) !important;
  transition: transform .2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dens-brand:hover { 
  color: var(--dens-secondary) !important;
  transform: scale(1.03);
}

.dens-navbar .nav-link {
  font-weight: 600;
  color: var(--dens-text) !important;
  padding: .6rem 1.1rem;
  border-radius: var(--dens-radius-sm);
  transition: all .2s;
  font-size: 15px;
  position: relative;
}
.dens-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--dens-accent);
  transform: translateX(-50%);
  transition: width .2s;
  border-radius: 2px;
}
.dens-navbar .nav-link:hover,
.dens-navbar .nav-link.active {
  color: var(--dens-primary) !important;
}
.dens-navbar .nav-link.active::after {
  width: 70%;
}

/* CTA dugme u navbaru */
.btn-dens-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--dens-primary), var(--dens-secondary));
  color: var(--dens-white) !important;
  border: none;
  border-radius: 50px;
  padding: .65rem 1.8rem;
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: .3px;
  transition: all .3s;
  box-shadow: 0 4px 16px rgba(13,71,161,.25);
  position: relative;
  overflow: hidden;
}
.btn-dens-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--dens-accent) 0%, var(--dens-danger) 100%);
  opacity: 0;
  transition: opacity .3s;
}
.btn-dens-primary:hover::before {
  opacity: 1;
}
.btn-dens-primary span {
  position: relative;
  z-index: 1;
}
.btn-dens-primary:hover,
.btn-dens-primary.active {
  color: var(--dens-white) !important;
  box-shadow: 0 6px 24px rgba(13,71,161,.4);
  transform: translateY(-2px);
}

/* Sekundarni dugme */
.btn-dens-outline {
  display: inline-block;
  background: transparent;
  color: var(--dens-primary);
  border: 2px solid var(--dens-primary);
  border-radius: 50px;
  padding: .6rem 1.8rem;
  font-weight: 700;
  font-size: 14.5px;
  transition: all .3s;
}
.btn-dens-outline:hover {
  background: var(--dens-primary);
  color: var(--dens-white);
  border-color: var(--dens-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(13,71,161,.3);
}

/* ── Hero sekcija ──────────────────────────────────────────── */
.dens-hero {
  background: linear-gradient(135deg, #0D47A1 0%, #1976D2 50%, #0288D1 100%);
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: var(--dens-white);
}
.dens-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,193,7,.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}
.dens-hero::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(229,57,53,.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}
.dens-hero .hero-content { position: relative; z-index: 1; }
.dens-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--dens-white);
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.dens-hero p {
  font-size: 1.18rem;
  opacity: .95;
  max-width: 600px;
}
.dens-hero .btn-hero-primary {
  background: var(--dens-white);
  color: var(--dens-primary);
  border: none;
  border-radius: 50px;
  padding: .9rem 2.5rem;
  font-weight: 700;
  font-size: 15.5px;
  transition: all .3s;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}
.dens-hero .btn-hero-primary:hover {
  background: var(--dens-accent);
  color: var(--dens-dark);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
}
.dens-hero .btn-hero-secondary {
  background: rgba(255,255,255,.1);
  color: var(--dens-white);
  border: 2px solid rgba(255,255,255,.8);
  border-radius: 50px;
  padding: .9rem 2.2rem;
  font-weight: 600;
  transition: all .3s;
  backdrop-filter: blur(10px);
}
.dens-hero .btn-hero-secondary:hover {
  background: rgba(255,255,255,.25);
  border-color: var(--dens-white);
  transform: translateY(-2px);
}

/* ── Podstranica – banner ───────────────────────────────────── */
.dens-page-banner {
  background: linear-gradient(135deg, #0D47A1 0%, #1976D2 100%);
  color: var(--dens-white);
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}
.dens-page-banner::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 50px;
  background: var(--dens-white);
  clip-path: polygon(0 100%, 100% 100%, 100% 40%, 0 80%);
}
.dens-page-banner h1 {
  color: var(--dens-white);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  text-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.dens-page-banner .breadcrumb-item,
.dens-page-banner .breadcrumb-item a { color: rgba(255,255,255,.8); }
.dens-page-banner .breadcrumb-item.active { color: var(--dens-white); font-weight: 600; }
.dens-page-banner .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.6); }

/* ── Sekcija title ──────────────────────────────────────────── */
.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--dens-dark);
  margin-bottom: .6rem;
  line-height: 1.25;
}
.section-subtitle { 
  color: var(--dens-muted); 
  font-size: 1.05rem; 
  margin-bottom: 2.5rem; 
  line-height: 1.6;
}
.section-divider {
  width: 70px; height: 5px;
  background: linear-gradient(90deg, var(--dens-primary) 0%, var(--dens-accent) 100%);
  border-radius: 3px;
  margin: .8rem 0 1.2rem;
}
.section-divider.center { margin: .8rem auto 1.2rem; }

/* ── Feature kartice (zašto mi) ─────────────────────────────── */
.feature-card {
  background: var(--dens-white);
  border: 2px solid transparent;
  border-radius: var(--dens-radius);
  padding: 2.2rem 1.8rem;
  text-align: center;
  transition: all .4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--dens-primary) 0%, var(--dens-secondary) 100%);
  opacity: 0;
  transition: opacity .4s;
}
.feature-card:hover {
  box-shadow: var(--dens-shadow-lg);
  transform: translateY(-8px);
  border-color: var(--dens-primary);
}
.feature-card:hover::before {
  opacity: .03;
}
.feature-icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dens-light) 0%, #E3F2FD 100%);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.4rem;
  transition: all .4s;
  position: relative;
}
.feature-card:hover .feature-icon { 
  background: linear-gradient(135deg, var(--dens-primary) 0%, var(--dens-secondary) 100%);
  transform: scale(1.1) rotate(5deg);
}
.feature-icon i {
  font-size: 2rem;
  color: var(--dens-primary);
  transition: color .4s;
}
.feature-card:hover .feature-icon i { color: var(--dens-white); }
.feature-card h5 { 
  font-size: 1.12rem; 
  font-weight: 700; 
  margin-bottom: .7rem; 
  position: relative;
}
.feature-card p { 
  color: var(--dens-muted); 
  font-size: .94rem; 
  margin: 0; 
  line-height: 1.65;
  position: relative;
}

/* ── Usluge kartice ─────────────────────────────────────────── */
.service-card {
  background: var(--dens-white);
  border: 1px solid var(--dens-border);
  border-radius: var(--dens-radius);
  padding: 2rem 1.5rem;
  transition: all .3s;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--dens-primary), var(--dens-accent));
  transform: scaleX(0);
  transition: transform .3s;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  box-shadow: var(--dens-shadow);
  transform: translateY(-4px);
}
.service-icon {
  font-size: 2.2rem;
  color: var(--dens-primary);
  margin-bottom: 1rem;
  transition: transform .3s;
}
.service-card:hover .service-icon { transform: scale(1.1); }
.service-card h5 { font-size: 1.05rem; font-weight: 700; color: var(--dens-dark); margin-bottom: .6rem; }
.service-card p { color: var(--dens-muted); font-size: .88rem; line-height: 1.6; margin: 0; }
.service-duration {
  display: inline-block;
  background: var(--dens-light);
  color: var(--dens-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  margin-top: .75rem;
}
.service-price {
  font-size: 13px;
  color: var(--dens-accent);
  font-weight: 700;
  margin-top: .3rem;
}

/* ── Doktor sekcija ─────────────────────────────────────────── */
.doctor-section { background: var(--dens-light); }
.doctor-img {
  border-radius: var(--dens-radius);
  box-shadow: var(--dens-shadow);
  width: 100%;
  object-fit: cover;
  max-height: 420px;
}
.doctor-badge {
  background: var(--dens-primary);
  color: var(--dens-white);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  display: inline-block;
  margin-top: 1.5rem;
}
.doctor-credentials li {
  padding: .3rem 0;
  color: var(--dens-muted);
  font-size: .92rem;
}
.doctor-credentials li i {
  color: var(--dens-accent);
  width: 20px;
}

/* ── CTA traka ──────────────────────────────────────────────── */
.cta-strip {
  background: linear-gradient(135deg, var(--dens-primary) 0%, #1d6fa4 100%);
  color: var(--dens-white);
  padding: 60px 0;
}
.cta-strip h2 { color: var(--dens-white); }
.cta-strip p { opacity: .9; }

/* ── Koraci zakazivanja ─────────────────────────────────────── */
.step-item { text-align: center; }
.step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--dens-primary);
  color: var(--dens-white);
  font-weight: 800;
  font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  box-shadow: 0 4px 12px rgba(26,78,140,.3);
}
.step-item h5 { font-size: 1rem; font-weight: 700; }
.step-item p { color: var(--dens-muted); font-size: .88rem; }

/* ── Kalendar zakazivanja ───────────────────────────────────── */
.booking-section { background: var(--dens-light); padding: 60px 0; }
.booking-card {
  background: var(--dens-white);
  border-radius: 12px;
  box-shadow: var(--dens-shadow);
  overflow: hidden;
}

/* Kalendar grid */
.cal-grid { width: 100%; border-collapse: collapse; }
.cal-header { background: var(--dens-primary); color: var(--dens-white); }
.cal-header th { padding: 10px 4px; text-align: center; font-size: 12px; font-weight: 600; }
.cal-nav {
  background: var(--dens-primary);
  color: var(--dens-white);
  padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.cal-nav-btn {
  background: rgba(255,255,255,.15);
  border: none;
  color: var(--dens-white);
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  transition: background .2s;
  display: flex; align-items: center; justify-content: center;
}
.cal-nav-btn:hover { background: rgba(255,255,255,.3); }
.cal-month-label { font-weight: 700; font-size: 1rem; }
.cal-day {
  padding: 6px 4px;
  text-align: center;
  cursor: pointer;
  font-size: 13px;
  border-radius: 6px;
  transition: background .2s;
}
.cal-day.empty { cursor: default; }
.cal-day.has-slots { color: var(--dens-primary); font-weight: 700; }
.cal-day.has-slots:hover { background: var(--dens-light); }
.cal-day.no-slots { color: #ccc; cursor: not-allowed; }
.cal-day.today { border: 2px solid var(--dens-secondary); border-radius: 6px; }
.cal-day.selected { background: var(--dens-primary) !important; color: var(--dens-white) !important; border-radius: 6px; }
.cal-day.past { color: #ccc; cursor: not-allowed; }
.cal-day-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--dens-accent);
  margin: 2px auto 0;
}

/* Slot buttons */
.slots-container { min-height: 80px; }
.slot-btn {
  background: var(--dens-light);
  border: 1px solid var(--dens-border);
  color: var(--dens-primary);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.slot-btn:hover { background: var(--dens-primary); color: var(--dens-white); border-color: var(--dens-primary); }
.slot-btn.selected { background: var(--dens-primary); color: var(--dens-white); border-color: var(--dens-primary); }

/* Booking forma */
.booking-form label { font-weight: 600; font-size: 13px; color: var(--dens-dark); margin-bottom: 4px; }
.booking-form .form-control,
.booking-form .form-select {
  border: 1.5px solid var(--dens-border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.booking-form .form-control:focus,
.booking-form .form-select:focus {
  border-color: var(--dens-secondary);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, .15);
}
.duration-radio-group .form-check { display: inline-block; margin-right: 10px; }
.duration-radio-group .form-check-input:checked { background-color: var(--dens-primary); border-color: var(--dens-primary); }

/* ── Kontakt ─────────────────────────────────────────────────── */
.contact-info-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--dens-border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-icon {
  width: 46px; height: 46px; min-width: 46px;
  border-radius: 50%;
  background: var(--dens-light);
  display: flex; align-items: center; justify-content: center;
}
.contact-icon i { color: var(--dens-primary); font-size: 1.1rem; }
.contact-map iframe { border-radius: var(--dens-radius); border: none; }

/* ── Admin access u footeru ─────────────────────────────────── */
.footer-admin-link { color: rgba(255,255,255,.4); font-size: 12px; }
.footer-admin-link:hover { color: rgba(255,255,255,.8); }

/* ── Footer ─────────────────────────────────────────────────── */
.dens-footer {
  background: var(--dens-dark);
  color: rgba(255,255,255,.75);
}
.dens-brand-footer {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--dens-white);
}
.dens-brand-footer i { color: var(--dens-accent); }
.footer-text { color: rgba(255,255,255,.65); font-size: .9rem; line-height: 1.7; }
.footer-heading {
  font-family: var(--font-heading);
  color: var(--dens-white);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.2rem;
}
.footer-info-list { list-style: none; padding: 0; margin: 0; }
.footer-info-list li { padding: .4rem 0; font-size: .9rem; color: rgba(255,255,255,.65); }
.footer-info-list li i { color: var(--dens-accent); width: 18px; }
.footer-info-list li a { color: rgba(255,255,255,.65); }
.footer-info-list li a:hover { color: var(--dens-accent); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { padding: .35rem 0; }
.footer-links li a { color: rgba(255,255,255,.65); font-size: .9rem; transition: color .2s, padding .2s; }
.footer-links li a:hover { color: var(--dens-accent); padding-left: 4px; }
.footer-social-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: var(--dens-white);
  margin-right: 8px;
  transition: background .2s, transform .2s;
}
.footer-social-link:hover {
  background: var(--dens-accent);
  color: var(--dens-white);
  transform: translateY(-2px);
}
.footer-social-link.social-facebook  { background: #1877F2; border-color: #1877F2; }
.footer-social-link.social-facebook:hover  { background: #0a5dc2; }
.footer-social-link.social-instagram { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }
.footer-social-link.social-instagram:hover { background: radial-gradient(circle at 30% 107%, #e0d000 0%, #e0d000 5%, #e03030 45%, #b0008f 60%, #1040cc 90%); }
.footer-social-link.social-linkedin  { background: #0A66C2; border-color: #0A66C2; }
.footer-social-link.social-linkedin:hover  { background: #084e96; }
.footer-social-link.social-viber     { background: #7360f2; border-color: #7360f2; }
.footer-social-link.social-viber:hover     { background: #5a4bd1; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .85rem;
  color: rgba(255,255,255,.5);
}

/* ── Utility ─────────────────────────────────────────────────── */
.bg-dens-light { background: var(--dens-light) !important; }
.text-dens-primary { color: var(--dens-primary) !important; }
.text-dens-accent  { color: var(--dens-accent)  !important; }
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }

/* ── Toast notifikacija ─────────────────────────────────────── */
#toastContainer {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
}
.dens-toast {
  background: var(--dens-white);
  border-left: 4px solid var(--dens-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  border-radius: 8px;
  padding: 12px 18px;
  margin-top: 10px;
  min-width: 280px;
  animation: slideIn .3s ease;
  font-size: .9rem;
}
.dens-toast.success { border-color: var(--dens-accent); }
.dens-toast.error   { border-color: #e74c3c; }
@keyframes slideIn {
  from { transform: translateX(30px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .dens-hero { min-height: 420px; }
  .dens-hero h1 { font-size: 1.8rem; }
  .section-pad { padding: 50px 0; }
  .booking-card { border-radius: 0; }
}