/* ===== VARIJABLE ===== */
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #21262d;
  --accent: #f7c948;
  --accent2: #e8a202;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --border: #30363d;
  --purple: #d2a8ff;
  --blue: #79c0ff;
  --green: #7ee787;
  --orange: #ffa657;
  --yellow: #e3b341;
  --comment: #8b949e;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }
code {
  font-family: 'Consolas', 'Courier New', monospace;
  background: var(--bg3);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--orange);
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
  height: 60px;
}
.nav-brand {
  font-size: 1.2rem;
  font-family: 'Consolas', monospace;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.nav-brand span { color: var(--accent); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.92rem;
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--bg3);
}
.nav-links a.active { color: var(--accent); }
.btn-print {
  background: var(--accent);
  color: #0d1117;
  border: none;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}
.btn-print:hover { background: var(--accent2); }
.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  margin-left: auto;
}

/* ===== HERO ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 80px 64px;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 60px);
}
.hero-tag {
  display: inline-block;
  background: rgba(247,201,72,0.12);
  color: var(--accent);
  border: 1px solid rgba(247,201,72,0.3);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero-title span { color: var(--accent); }
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 440px;
}
.btn-hero {
  display: inline-block;
  background: var(--accent);
  color: #0d1117;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.2s;
}
.btn-hero:hover {
  background: var(--accent2);
  color: #0d1117;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(247,201,72,0.3);
}

/* CODE WINDOW */
.code-window {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.code-bar {
  background: var(--bg3);
  padding: 10px 16px;
  display: flex;
  gap: 7px;
  border-bottom: 1px solid var(--border);
}
.code-bar span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--border);
}
.code-bar span:nth-child(1) { background: #ff5f57; }
.code-bar span:nth-child(2) { background: #febc2e; }
.code-bar span:nth-child(3) { background: #28c840; }
.code-window pre, .code-block pre {
  padding: 20px 24px;
  overflow-x: auto;
  font-family: 'Consolas', monospace;
  font-size: 0.9rem;
  line-height: 1.7;
}
.code-block {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 16px;
}
.code-block.small pre { padding: 12px 16px; font-size: 0.8rem; }

/* Syntax colors */
.c-purple { color: var(--purple); }
.c-blue { color: var(--blue); }
.c-green { color: var(--green); }
.c-orange { color: var(--orange); }
.c-yellow { color: var(--yellow); }
.c-comment { color: var(--comment); font-style: italic; }

/* ===== CARDS SECTION ===== */
.cards-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
}
.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.btn-card {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 7px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.btn-card:hover { background: var(--bg3); border-color: var(--accent); }
.card-extra {
  display: none;
  margin-top: 12px;
  padding: 10px;
  background: var(--bg3);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
}

/* ===== DEMO SECTION ===== */
.demo-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 32px;
}
.demo-box {
  max-width: 700px;
  margin: 0 auto;
}
.demo-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
  justify-content: center;
}
.demo-controls button {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.demo-controls button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.demo-target {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}
#demoText { font-size: 1.1rem; text-align: center; }
.demo-ball {
  width: 50px; height: 50px;
  background: var(--accent);
  border-radius: 50%;
  position: relative;
}

/* ===== PAGE HERO ===== */
.page-hero {
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 60px 64px;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 10px;
}
.page-hero p { color: var(--text-muted); font-size: 1.05rem; }

/* ===== CONTENT SECTION ===== */
.content-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 32px;
}
.content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}
.info-block {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}
.info-block h2 { font-size: 1.3rem; margin-bottom: 14px; color: var(--text); }
.info-block p { color: var(--text-muted); margin-bottom: 10px; }
.info-block p:last-child { margin-bottom: 0; }

.styled-list { list-style: none; padding: 0; }
.styled-list li {
  padding: 8px 0;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.styled-list li:last-child { border-bottom: none; }

/* SIDEBAR */
.content-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.sidebar-card h3 { font-size: 1rem; margin-bottom: 14px; color: var(--accent); }
.fact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.fact-item:last-child { border-bottom: none; }
.fact-num {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 60px;
}
.fact-item span:last-child { color: var(--text-muted); font-size: 0.85rem; }
.sidebar-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 6px; }
.accordion-card ul { list-style: none; }
.accordion-card ul li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.accordion-card ul li:last-child { border-bottom: none; }
.accordion-card a { color: var(--text-muted); font-size: 0.9rem; }
.accordion-card a:hover { color: var(--accent); }

/* ===== ANIMACIJE PAGE ===== */
.anim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.anim-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.anim-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.anim-card p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 16px; }
.anim-stage {
  background: var(--bg3);
  border-radius: 8px;
  height: 80px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}
.anim-el {
  font-size: 1.8rem;
  position: relative;
  left: 0;
  top: 0;
}
.anim-el.square { font-size: 1.4rem; display: inline-block; width: 40px; height: 40px; text-align: center; line-height: 40px; }
.anim-el.circle { font-size: 1.8rem; }
.anim-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.btn-anim {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
}
.btn-anim:hover { border-color: var(--accent); color: var(--accent); }

/* ===== EFEKTI PAGE ===== */
.effects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.effect-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.effect-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.effect-header h3 { font-size: 1rem; font-family: 'Consolas', monospace; }
.badge {
  background: rgba(247,201,72,0.12);
  color: var(--accent);
  border: 1px solid rgba(247,201,72,0.3);
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}
.effect-card > p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 14px; }
.effect-demo { margin-bottom: 14px; }
.effect-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: background 0.3s;
}
.effect-box.highlighted {
  background: rgba(247,201,72,0.12);
  border-color: var(--accent);
  color: var(--accent);
}
.effect-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-effect {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 11px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.78rem;
  font-family: 'Consolas', monospace;
  transition: all 0.2s;
}
.btn-effect:hover { border-color: var(--accent); color: var(--accent); }
.hover-box { cursor: pointer; transition: all 0.3s !important; }
.demo-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 10px;
  outline: none;
  transition: border-color 0.2s;
}
.demo-input:focus { border-color: var(--accent); }

/* ===== KONTAKT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-form-wrap h2, .contact-info h2 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg2); }
.form-error { display: block; color: #f85149; font-size: 0.8rem; margin-top: 4px; min-height: 18px; }
.btn-submit {
  background: var(--accent);
  color: #0d1117;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}
.btn-submit:hover { background: var(--accent2); transform: translateY(-1px); }
.form-success {
  background: rgba(126,231,135,0.1);
  border: 1px solid var(--green);
  color: var(--green);
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.info-item:last-of-type { border-bottom: none; }
.info-icon { font-size: 1.4rem; }
.info-item strong { display: block; margin-bottom: 4px; }
.info-item p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
.faq-section { margin-top: 30px; }
.faq-section h3 { font-size: 1.1rem; margin-bottom: 14px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-q {
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  background: var(--bg2);
  user-select: none;
  transition: background 0.2s;
}
.faq-q:hover { background: var(--bg3); }
.faq-arrow { color: var(--accent); transition: transform 0.3s; }
.faq-a {
  display: none;
  padding: 14px 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
  background: var(--bg3);
  border-top: 1px solid var(--border);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 32px;
  text-align: center;
}
.footer p {
  color: var(--text-muted);
  font-family: 'Consolas', monospace;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.footer p span { color: var(--green); }
.footer-nav { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.footer-nav a { color: var(--text-muted); font-size: 0.88rem; }
.footer-nav a:hover { color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 32px;
    min-height: auto;
    gap: 40px;
  }
  .content-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 40px 32px; }
}

@media (max-width: 700px) {
  .navbar { padding: 0 16px; gap: 12px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 16px; }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .hero { padding: 40px 20px; }
  .cards-section, .demo-section, .content-section { padding: 40px 20px; }
  .effects-grid { grid-template-columns: 1fr; }
  .anim-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .hero-code { display: none; }
}

/* ===== PRINT ===== */
@media print {
  * { background: white !important; color: black !important; box-shadow: none !important; }
  .navbar { position: static; border-bottom: 2px solid #333; }
  .hamburger, .btn-print { display: none !important; }
  .nav-links { display: flex !important; flex-direction: row !important; position: static !important; }
  .nav-links a { color: #333 !important; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 30px; }
  .hero-code { display: none; }
  .btn-hero { border: 2px solid #333; }
  .card, .info-block, .effect-card, .anim-card, .sidebar-card { border: 1px solid #ccc !important; break-inside: avoid; }
  .code-window, .code-block { border: 1px solid #ccc !important; }
  .demo-section, .demo-controls, .anim-btns, .effect-btns, .btn-submit { display: none !important; }
  .footer { border-top: 2px solid #333; }
  a::after { content: " (" attr(href) ")"; font-size: 0.75em; color: #666; }
  .faq-a { display: block !important; }
}