/* Turnkey.rs - Kompletan Dizajn Sistem i Stilovi (Light-Mode First, Interaktivni i Finiširani) */

/* ==========================================================================
   1. Osnovna Podešavanja i CSS Promenljive (Tokens)
   ========================================================================== */
:root {
  /* Fontovi */
  --font-sans: 'Figtree', -apple-system, sans-serif;
  --font-serif: 'Libre Baskerville', Georgia, serif;
  
  --font-heading: var(--font-sans);
  --font-body: var(--font-sans);

  /* Tranzicije */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Svetla Tema (Podrazumevana) */
html.light {
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-alt: #f3f4f6;
  --border-color: #e5e7eb;
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --accent-crimson: #cc3533;
  --accent-crimson-hover: #b02e2c;
  --accent-gradient: linear-gradient(135deg, #b02e2c 0%, #cc3533 100%);
  --accent-glow: rgba(204, 53, 51, 0.15);
  
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-glow: rgba(0, 0, 0, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.85);
  
  --scrollbar-track: #f3f4f6;
  --scrollbar-thumb: #d1d5db;
  --scrollbar-thumb-hover: #9ca3af;
}

/* Tamna Tema (Opciona) */
html.dark {
  --bg-primary: #0a0d16;
  --bg-secondary: #111625;
  --bg-alt: #0d111d;
  --border-color: #1f273d;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-crimson: #cc3533;
  --accent-crimson-hover: #e04441;
  --accent-gradient: linear-gradient(135deg, #cc3533 0%, #ff524f 100%);
  --accent-glow: rgba(204, 53, 51, 0.25);
  
  --card-bg: rgba(17, 22, 37, 0.7);
  --card-glow: rgba(0, 0, 0, 0.3);
  --glass-bg: rgba(10, 13, 22, 0.75);
  
  --scrollbar-track: #0d111d;
  --scrollbar-thumb: #1f273d;
  --scrollbar-thumb-hover: #374151;
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Pozadinska suptilna mreža (Lokalizovana u DNA sekciji sa kružnom maskom) */
.dot-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(var(--border-color) 1.2px, transparent 1.2px);
  background-size: 32px 32px;
  opacity: 0.45;
  pointer-events: none;
  transition: transform var(--transition-slow), opacity var(--transition-normal);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 25%, rgba(0,0,0,0) 70%);
  mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 25%, rgba(0,0,0,0) 70%);
}

html.dark .dot-grid-bg {
  opacity: 0.22;
}


/* Pozadinski spotlight koji prati kursor miša za WOW efekat */
.cursor-glow {
  position: fixed;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(204, 53, 51, 0.16) 0%, rgba(124, 58, 237, 0.06) 40%, transparent 70%);
  top: 0;
  left: 0;
  transform: translate(calc(var(--mouse-x, -1000px) - 350px), calc(var(--mouse-y, -1000px) - 350px));
  pointer-events: none;
  z-index: -1;
  transition: transform 0.06s cubic-bezier(0.25, 1, 0.5, 1);
}

html.dark .cursor-glow {
  background: radial-gradient(circle, rgba(204, 53, 51, 0.26) 0%, rgba(124, 58, 237, 0.12) 35%, transparent 70%);
}

/* Mala elegantna tačka koja precizno prati kursor sa blagim kašnjenjem */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background-color: var(--accent-crimson);
  border-radius: 50%;
  top: 0;
  left: 0;
  transform: translate(calc(var(--mouse-x, -1000px) - 4px), calc(var(--mouse-y, -1000px) - 4px));
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.02s linear;
  box-shadow: 0 0 10px var(--accent-crimson), 0 0 20px rgba(204, 53, 51, 0.4);
}


/* Svetleće auras u pozadini za atraktivan vizuelni efekat */
.glow-aura {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  z-index: -3;
  opacity: 0.05;
  transition: opacity var(--transition-normal);
}

html.dark .glow-aura {
  opacity: 0.12;
}

.aura-1 {
  top: 10%;
  left: 8%;
  background-color: var(--accent-crimson);
  animation: auraFloat 16s ease-in-out infinite;
}

.aura-2 {
  top: 45%;
  right: 5%;
  background-color: var(--accent-crimson); /* Zamenjena ljubičasta sa crimson */
  animation: auraFloatReverse 20s ease-in-out infinite;
}


.aura-3 {
  bottom: 15%;
  left: 12%;
  background-color: var(--accent-crimson);
  animation: auraFloat 18s ease-in-out infinite;
}

@keyframes auraFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -25px) scale(1.05); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes auraFloatReverse {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-25px, 20px) scale(0.95); }
  100% { transform: translate(0, 0) scale(1); }
}

/* Prilagođeni Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* ==========================================================================
   2. Tipografija i Pomoćne Klase
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
}

.section {
  padding: 7.5rem 0;
  position: relative;
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }

.highlight-crimson {
  color: var(--accent-crimson);
  font-weight: 800;
  position: relative;
  display: inline-block;
}

/* Distinktivni Serifni Stilovi (Libre Baskerville) */
.znaci-style {
  font-family: var(--font-serif) !important;
  font-style: italic !important;
  font-weight: 400 !important;
  letter-spacing: 0 !important;
}

.italic-serif {
  font-family: var(--font-serif) !important;
  font-style: italic !important;
}

.font-medium {
  font-weight: 500;
}

.text-black {
  color: var(--text-primary) !important;
}

/* Marker / Highlighter animacija za tekst */
.text-highlight {
  position: relative;
  display: inline;
  z-index: 1;
  background-image: linear-gradient(rgba(204, 53, 51, 0.16), rgba(204, 53, 51, 0.16));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 8px;
  transition: background-size var(--transition-slow);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.text-highlight.active {
  background-size: 100% 8px;
}

html.dark .text-highlight {
  background-image: linear-gradient(rgba(204, 53, 51, 0.28), rgba(204, 53, 51, 0.28));
}

/* Mreža (Grid) */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}


/* ==========================================================================
   3. Dugmad (Buttons)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  background-color: var(--accent-crimson-hover);
}

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

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: 6px;
}

/* ==========================================================================
   4. Header & Navigacija
   ========================================================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.header-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-crimson);
  transition: width var(--transition-fast);
}

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

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-button {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-button:hover {
  background-color: var(--bg-alt);
  border-color: var(--text-muted);
}

html.dark .sun-icon { display: block; }
html.dark .moon-icon { display: none; }
html.light .sun-icon { display: none; }
html.light .moon-icon { display: block; }

.mobile-only {
  display: flex;
}

@media (min-width: 768px) {
  .nav-menu { display: flex; }
  .mobile-only { display: none; }
}

.mobile-menu-dropdown {
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
}

.mobile-menu-dropdown.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

/* ==========================================================================
   5. Hero Sekcija
   ========================================================================== */
.hero-section {
  height: 90vh;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 75% 25%, rgba(204, 53, 51, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 25% 75%, rgba(204, 53, 51, 0.01) 0%, transparent 50%);
}

html.dark .hero-background {
  background: radial-gradient(circle at 75% 25%, rgba(204, 53, 51, 0.07) 0%, transparent 50%),
              radial-gradient(circle at 25% 75%, rgba(204, 53, 51, 0.02) 0%, transparent 50%);
}

/* 3D Parallax Lebdeći Pozadinski Oblici u Hero Sekciji */
.hero-float-shape {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: 0.1;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

html.dark .hero-float-shape {
  opacity: 0.18;
}

.shape-1 {
  width: 140px;
  height: 140px;
  top: 15%;
  left: 10%;
  border-radius: 24px;
  border: 1px solid rgba(204, 53, 51, 0.25);
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  animation: heroFloatSlow 10s ease-in-out infinite alternate;
}

html.dark .shape-1 {
  border-color: rgba(204, 53, 51, 0.4);
  background: radial-gradient(circle at top left, rgba(17, 22, 37, 0.6), rgba(17, 22, 37, 0.05));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.shape-2 {
  width: 180px;
  height: 180px;
  bottom: 12%;
  right: 8%;
  border-radius: 50%;
  border: 1.5px dashed rgba(204, 53, 51, 0.2);
  animation: heroFloatReverseSlow 14s ease-in-out infinite alternate;
}

html.dark .shape-2 {
  border-color: rgba(204, 53, 51, 0.35);
}

.shape-3 {
  width: 250px;
  height: 250px;
  top: 45%;
  left: 60%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(204, 53, 51, 0.1) 0%, transparent 70%);
  filter: blur(40px);
  animation: heroFloatSlow 12s ease-in-out infinite alternate;
}

html.dark .shape-3 {
  background: radial-gradient(circle, rgba(204, 53, 51, 0.15) 0%, transparent 70%);
}

@keyframes heroFloatSlow {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-15px) rotate(10deg); }
}

@keyframes heroFloatReverseSlow {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(18px) rotate(-15deg); }
}


.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-title {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  max-width: 900px;
  animation: heroFadeDown 0.8s var(--transition-slow);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.2rem;
  }
}

.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 700px;
  margin-bottom: 2.5rem;
  animation: heroFadeUp 1s var(--transition-slow) 0.2s both;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.28rem;
  }
}

.hero-content .btn {
  animation: heroFadeUp 1.2s var(--transition-slow) 0.4s both;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.mouse-icon {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-secondary);
  border-radius: 12px;
  display: block;
  position: relative;
}

.mouse-wheel {
  width: 4px;
  height: 6px;
  background-color: var(--accent-crimson);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 1.5s infinite;
}

@keyframes heroFadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0); }
  40% { transform: translate(-50%, -8px); }
  60% { transform: translate(-50%, -4px); }
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 12px); }
}

/* ==========================================================================
   6. O nama & Kako radimo Sekcije (Editorial Serif stilovi)
   ========================================================================== */
.section-title {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  margin-bottom: 2rem;
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .section-title { font-size: 2.6rem; }
}

.section-subtitle {
  max-width: 750px;
  margin: -1rem auto 3rem auto;
  font-size: 1.1rem;
}

/* Korišćenje Figtree sans-serif za narativnu prozu */
.about-text p, .work-content p {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}


.accent-paragraph {
  font-family: var(--font-serif);
  font-size: 1.45rem !important;
  font-weight: 700;
  font-style: italic;
  color: var(--text-primary);
  border-left: 3px solid var(--accent-crimson);
  padding-left: 1.5rem;
  margin: 2.5rem 0 !important;
}

.fade-in-element {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.fade-in-element.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   7. Interaktivna DNA Sekcija
   ========================================================================== */
.dna-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 3.5rem;
}

@media (min-width: 900px) {
  .dna-container {
    grid-template-columns: 1fr 1fr;
  }
}

.dna-wheel-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 380px;
}

.dna-wheel {
  position: relative;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 2px dashed var(--border-color);
  display: flex;
  justify-content: center;
  align-items: center;
}

.dna-center {
  position: absolute;
  width: 70px;
  height: 70px;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-crimson);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--accent-glow);
  z-index: 5;
}

.dna-center-logo {
  width: 40px;
  height: 40px;
}

.dna-node {
  position: absolute;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.6rem 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px var(--card-glow);
  transition: all var(--transition-normal);
  z-index: 4;
}

.dna-node svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

/* Pozicioniranje čvorova oko kruga */
.node-tech { top: -20px; left: 50%; transform: translateX(-50%); }
.node-design { right: -40px; top: 50%; transform: translateY(-50%); }
.node-content { bottom: -20px; left: 50%; transform: translateX(-50%); }
.node-marketing { left: -40px; top: 50%; transform: translateY(-50%); }

.dna-node:hover, .dna-node.active {
  background-color: var(--bg-primary);
  border-color: var(--accent-crimson);
  color: var(--accent-crimson);
  box-shadow: 0 0 15px var(--accent-glow);
}

.dna-node.active {
  font-weight: 700;
}

.node-tech.active { transform: translateX(-50%) scale(1.08); }
.node-design.active { transform: translateY(-50%) scale(1.08); }
.node-content.active { transform: translateX(-50%) scale(1.08); }
.node-marketing.active { transform: translateY(-50%) scale(1.08); }

.dna-node:hover svg, .dna-node.active svg {
  color: var(--accent-crimson);
}

.dna-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

@keyframes flowDash {
  to {
    stroke-dashoffset: -20;
  }
}

.conn-line {
  stroke: var(--border-color);
  stroke-width: 1.5;
  stroke-dasharray: 4;
  transition: stroke var(--transition-normal), stroke-width var(--transition-normal);
}

.conn-line.active {
  stroke: var(--accent-crimson);
  stroke-width: 3;
  stroke-dasharray: 6 4;
  animation: flowDash 1.2s linear infinite;
  filter: drop-shadow(0 0 5px var(--accent-crimson)) drop-shadow(0 0 2px var(--accent-crimson));
}


.dna-display {
  display: flex;
  align-items: center;
}

.dna-card {
  width: 100%;
  border-left: 4px solid var(--accent-crimson) !important;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.dna-card.active {
  opacity: 1;
  transform: translateY(0);
}

.dna-badge {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  color: var(--accent-crimson);
}

.dna-display-title {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
}

.dna-display-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ==========================================================================
   8. Sektorski Showcase Klijenata (Grand Logo Grid - Bez filtera)
   ========================================================================== */
.grand-clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (min-width: 580px) {
  .grand-clients-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 900px) {
  .grand-clients-grid { grid-template-columns: repeat(5, 1fr); }
}

@media (min-width: 1200px) {
  /* Kompaktna mreža od 6 kolona na desktopu za visoku gustinu i preglednost */
  .grand-clients-grid { grid-template-columns: repeat(6, 1fr); }
}


.grand-client-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  aspect-ratio: 1; /* Savršen kvadrat */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem; /* Manji padding omogućava da sam logotip bude krupniji */
  box-shadow: 0 1px 3px var(--card-glow);
  overflow: hidden;
  animation: logoFadeIn 0.5s ease both;

  /* 3D efekti */
  transform-style: preserve-3d;
  will-change: transform, box-shadow;
  transition: transform 0.1s ease-out, box-shadow 0.15s ease-out, border-color var(--transition-fast);
}

@keyframes logoFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.grand-client-card:hover {
  border-color: var(--accent-crimson);
  box-shadow: 0 8px 20px var(--accent-glow);
  background-color: var(--bg-primary);
  z-index: 5;
}


/* Uvećani logotipi, krupni i pregledni */
.grand-client-card .client-logo-img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.65;
  transition: all var(--transition-fast);
}

html.light .grand-client-card .client-logo-img {
  filter: grayscale(100%);
  opacity: 0.65;
}

html.dark .grand-client-card .client-logo-img {
  filter: grayscale(100%) invert(1) brightness(2.5);
  mix-blend-mode: screen; /* Sakriva crne okvire invertovanih JPG logotipa */
  opacity: 0.55;
}

/* Različito ponašanje na hover za svetlu i tamnu temu */
html.light .grand-client-card:hover .client-logo-img {
  filter: grayscale(0%) invert(0) brightness(1) !important;
  opacity: 1 !important;
}

html.dark .grand-client-card:hover .client-logo-img {
  filter: grayscale(100%) invert(1) brightness(3.2) !important;
  mix-blend-mode: screen;
  opacity: 1 !important;
}


.grand-client-card .client-name {
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.grand-client-card:hover .client-name {
  color: var(--accent-crimson);
}

/* ==========================================================================
   9. Usluge i Ekspertize (Glassmorphism Cards)
   ========================================================================== */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.25rem;
  box-shadow: 0 8px 30px var(--card-glow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  
  /* 3D efekti */
  transform-style: preserve-3d;
  will-change: transform, box-shadow;
  transition: transform 0.1s ease-out, box-shadow 0.15s ease-out, border-color var(--transition-fast);
}

/* 3D Presvlaka za refleksiju svetla */
.card::after, .project-card::after, .grand-client-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--tilt-x, 50%) var(--tilt-y, 50%),
    rgba(255, 255, 255, 0.12) 0%,
    transparent 60%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 10;
}

html.dark .card::after, html.dark .project-card::after, html.dark .grand-client-card::after {
  background: radial-gradient(
    circle at var(--tilt-x, 50%) var(--tilt-y, 50%),
    rgba(255, 255, 255, 0.08) 0%,
    transparent 50%
  );
}

.card:hover::after, .project-card:hover::after, .grand-client-card:hover::after {
  opacity: 1;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: transparent;
  transition: background-color var(--transition-fast);
  z-index: 5;
}

.card:hover {
  border-color: var(--text-muted);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

html.dark .card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.card:hover::before {
  background-color: var(--accent-crimson);
}

/* 3D Dubina za elemente unutar kartica */
.card-icon, .card-title, .card-list, .card-link, 
.project-thumbnail, .project-card-body, 
.client-logo-img, .client-name {
  transform: translateZ(25px);
  transform-style: preserve-3d;
}


.card-icon {
  color: var(--accent-crimson);
  margin-bottom: 1.25rem;
  display: inline-flex;
}

.card-icon svg {
  width: 32px;
  height: 32px;
}

.card-title {
  font-size: 1.45rem;
  margin-bottom: 1.25rem;
}

.card-list {
  list-style: none;
}

.card-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-crimson);
  font-weight: 700;
}

.card-link {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--accent-crimson);
}

.card-link:hover {
  color: var(--accent-crimson-hover);
  text-decoration: underline;
}

/* ==========================================================================
   10. Portfolio (Projekti sa popravljenim rasporedom i paddingom)
   ========================================================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--accent-crimson);
  border-color: var(--accent-crimson);
  color: #ffffff;
  box-shadow: 0 4px 10px var(--accent-glow);
}

.project-card {
  padding: 0 !important; /* Resetujemo podrazumevani padding kartice */
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);

  /* 3D efekti */
  transform-style: preserve-3d;
  will-change: transform, box-shadow;
  transition: transform 0.1s ease-out, box-shadow 0.15s ease-out, border-color var(--transition-fast);
}


.project-thumbnail {
  aspect-ratio: 1 / 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}


.project-thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project-thumbnail-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 2.2rem;
  color: #ffffff;
}

.project-thumbnail::after {
  content: 'Zavirite detaljnije';
  position: absolute;
  inset: 0;
  background-color: rgba(17, 24, 39, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  opacity: 0;
  transition: opacity var(--transition-fast), backdrop-filter var(--transition-fast);
}

.project-card:hover .project-thumbnail::after {
  opacity: 1;
}

.project-card:hover .project-thumbnail-img {
  transform: scale(1.04);
}

.project-type-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background-color: rgba(10, 13, 22, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 5;
}

/* Telo projektne kartice sa obilnim paddingom na dnu */
.project-card-body {
  padding: 1.75rem 1.75rem 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-weight: 700;
}

.project-action-indicator {
  color: var(--accent-crimson);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.project-card-desc {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3; /* Limitiramo opis na 3 linije radi poravnanja */
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* Uklonjen flex-grow: 1 da se spreči konflikt sa display: -webkit-box */
}

.projects-footer {
  margin-top: 3.5rem;
}

/* ==========================================================================
   11. Kontakt Sekcija
   ========================================================================== */
.contact-section {
  background-color: var(--bg-alt);
}

.contact-lead {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 600px) {
  .contact-links {
    flex-direction: row;
    justify-content: center;
    gap: 3rem;
  }
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.3rem;
}

.contact-link-item svg {
  color: var(--accent-crimson);
}

.contact-link-item:hover {
  color: var(--accent-crimson);
}

.messenger-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.msg-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.4rem;
  border-radius: 50px;
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.msg-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.18);
}

.viber-btn {
  background-color: #665CAC;
}

.whatsapp-btn {
  background-color: #25D366;
}

.contact-pdf {
  margin-top: 1rem;
}

/* ==========================================================================
   12. Footer
   ========================================================================== */
.main-footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-content p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* ==========================================================================
   13. Modali
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 13, 22, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  width: 100%;
  max-width: 650px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  position: relative;
  transform: translateY(30px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 2.25rem;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
  z-index: 10;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-color-bar {
  height: 5px;
  width: 70px;
  border-radius: 3px;
  background-color: var(--accent-crimson);
  margin-bottom: 1.5rem;
}

.modal-cover-container {
  width: 100%;
  margin-bottom: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  display: none;
}

.modal-cover-img {
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: cover;
  display: block;
}

.modal-title {
  font-size: 1.85rem;
  margin-bottom: 1rem;
}

.modal-subtitle {
  font-size: 0.95rem;
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.modal-description {
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
  color: var(--text-primary);
}

.modal-meta-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.modal-meta-box h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-crimson);
  margin-bottom: 0.5rem;
}

.modal-meta-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}



/* ==========================================================================
   14. Pozadinske Animacije i Dekoracije za Sekcije
   ========================================================================== */
.work-section {
  position: relative;
  overflow: hidden;
}

.work-section .container {
  position: relative;
  z-index: 1;
}

.section-bg-glow {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  opacity: 0.04;
  transition: opacity var(--transition-normal);
}

html.dark .section-bg-glow {
  opacity: 0.12;
}

.section-bg-glow-work {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-crimson) 0%, transparent 70%);
  top: -150px;
  right: -150px;
  animation: glowPulse 15s ease-in-out infinite alternate;
}

@keyframes glowPulse {
  0% {
    transform: translate(0, 0) scale(1);
    filter: blur(80px);
  }
  50% {
    filter: blur(120px);
  }
  100% {
    transform: translate(-100px, 100px) scale(1.25);
    filter: blur(80px);
  }
}

.expertise-section {
  position: relative;
  overflow: hidden;
}

.expertise-section .container {
  position: relative;
  z-index: 1;
}

.bg-deco-circle {
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 480px;
  height: 480px;
  color: var(--accent-crimson);
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
  animation: rotateDeco 50s linear infinite;
  transform-origin: center;
}

html.light .bg-deco-circle {
  color: var(--accent-crimson);
  opacity: 0.06;
}

html.dark .bg-deco-circle {
  color: var(--accent-crimson);
  opacity: 0.12;
}

@keyframes rotateDeco {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================================================
   15. Nove Sekcijske Pozadine i Animirana Mreža Čvorova
   ========================================================================== */

/* Canvas animacija čvorova u pozadini */
.hero-nodes-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.65;
}

html.dark .hero-nodes-canvas {
  opacity: 0.45;
}

/* O nama prefinjeni spori gradijent */
.about-section {
  position: relative;
  overflow: hidden;
}

.about-bg-gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 10% 30%, rgba(204, 53, 51, 0.03) 0%, transparent 60%),
              radial-gradient(circle at 90% 70%, rgba(204, 53, 51, 0.01) 0%, transparent 60%);
}

html.dark .about-bg-gradient {
  background: radial-gradient(circle at 10% 30%, rgba(204, 53, 51, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 90% 70%, rgba(204, 53, 51, 0.02) 0%, transparent 50%);
}

.about-section .container {
  position: relative;
  z-index: 1;
}

/* Tehnički blueprint grid u pozadini sekcije projekata */
.projects-section, .favorite-projects-section {
  position: relative;
  overflow: hidden;
}

.blueprint-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(rgba(204, 53, 51, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204, 53, 51, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
  opacity: 0.85;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 80%);
  mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 80%);
}

.blueprint-bg-alt {
  background-image: 
    linear-gradient(rgba(156, 163, 175, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 163, 175, 0.02) 1px, transparent 1px);
}

html.dark .blueprint-bg {
  background-image: 
    linear-gradient(rgba(204, 53, 51, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204, 53, 51, 0.05) 1px, transparent 1px);
  opacity: 0.6;
}

html.dark .blueprint-bg-alt {
  background-image: 
    linear-gradient(rgba(156, 163, 175, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 163, 175, 0.04) 1px, transparent 1px);
}

.projects-section .container, .favorite-projects-section .container {
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   16. Mobilne i Responzivne Ispravke
   ========================================================================== */

/* Sakrivanje interaktivnog kursora i svetla na mobilnim uređajima i touch screenovima */
@media (max-width: 1024px), (hover: none), (pointer: coarse) {
  .cursor-glow, .cursor-dot {
    display: none !important;
  }
}

/* Smanjenje unutrašnjih margina na malim mobilnim ekranima radi bolje preglednosti */
@media (max-width: 500px) {
  .section {
    padding: 4.5rem 0;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .project-card-body {
    padding: 1.25rem 1.25rem 1.75rem 1.25rem;
  }
  
  .modal-box {
    padding: 1.5rem;
    border-radius: 12px;
  }
  
  .modal-title {
    font-size: 1.5rem;
  }
  
  .modal-description {
    font-size: 0.95rem;
  }
  
  .contact-lead {
    font-size: 1.15rem;
  }
  
  .contact-link-item {
    font-size: 1.1rem;
  }
}