/* style.css - Easy Building DOO redizajn */

/* === ROOT VARIJABLE === */
:root {
  --color-cream: #F5F2EC;
  --color-cream-dark: #EDE9E1;
  --color-graphite: #1E2020;
  --color-graphite-mid: #3A3D3D;
  --color-graphite-light: #6B7070;
  --color-wood: #A67C52;
  --color-wood-light: #C4A07A;
  --color-olive: #5A6344;
  --color-olive-light: #7A8560;
  --color-line: #D8D4CC;
  --color-white: #FFFFFF;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', system-ui, sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem + 0.2vw, 0.8rem);
  --text-sm:   clamp(0.875rem, 0.82rem + 0.25vw, 0.95rem);
  --text-base: clamp(1.02rem,  0.98rem + 0.25vw, 1.125rem);
  --text-md:   clamp(1.14rem,  1.05rem + 0.55vw, 1.35rem);
  --text-lg:   clamp(1.25rem,  1.1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.65rem,  1.3rem + 1.7vw, 2.5rem);
  --text-2xl:  clamp(2.15rem,  1.6rem + 2.75vw, 3.85rem);
  --text-3xl:  clamp(3rem,     2rem + 4.2vw, 6rem);

  --space-4:   4px;
  --space-8:   8px;
  --space-16:  16px;
  --space-24:  24px;
  --space-32:  32px;
  --space-40:  40px;
  --space-48:  48px;
  --space-64:  64px;
  --space-96:  96px;
  --space-128: 128px;
  --space-160: 160px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: 0.25s ease;
  --transition-slow: 0.45s ease;

  --container-max: 1240px;
  --header-h: 72px;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-graphite);
  background-color: var(--color-cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol { list-style: none; }

address { font-style: normal; }

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-24);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-48); }
}

/* === REVEAL ON SCROLL === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === TYPOGRAPHY HELPERS === */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-olive);
  margin-bottom: var(--space-16);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  line-height: 1.12;
  color: var(--color-graphite);
  margin-bottom: var(--space-24);
}

.section-lead {
  font-size: var(--text-md);
  color: var(--color-graphite-light);
  max-width: 580px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-64);
}

.section-header--left {
  text-align: left;
  margin-bottom: var(--space-32);
}

.section-header--left .section-lead {
  max-width: 500px;
}

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  background-color: var(--color-graphite);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), transform var(--transition);
  min-height: 48px;
}

.btn-primary:hover {
  background-color: var(--color-graphite-mid);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  background-color: transparent;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 13px 27px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,0.6);
  transition: border-color var(--transition), background-color var(--transition);
  min-height: 48px;
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background-color: rgba(255,255,255,0.1);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-wood);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
  min-height: 44px;
  white-space: nowrap;
}

.btn-cta:hover {
  background-color: var(--color-wood-light);
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: transparent;
  transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

.site-header.scrolled {
  background-color: var(--color-cream);
  box-shadow: 0 1px 0 var(--color-line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

.logo img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transition-slow);
}

.site-header.scrolled .logo img {
  filter: none;
}

.main-nav {
  display: none;
  flex: 1;
}

@media (min-width: 1024px) {
  .main-nav { display: block; }
}

.nav-list {
  display: flex;
  gap: var(--space-32);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-wood-light);
  transition: width var(--transition);
}

.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--color-white); }

.site-header.scrolled .nav-link {
  color: var(--color-graphite-mid);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-graphite);
}

.header-actions {
  display: none;
  align-items: center;
  gap: var(--space-24);
  margin-left: auto;
}

@media (min-width: 1024px) {
  .header-actions { display: flex; }
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.lang-btn {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.72);
  padding: 4px 0;
  transition: color var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}

.lang-btn.active,
.lang-btn:hover {
  color: var(--color-white);
}

.site-header.scrolled .lang-btn {
  color: var(--color-graphite-light);
}

.site-header.scrolled .lang-btn.active,
.site-header.scrolled .lang-btn:hover {
  color: var(--color-graphite);
}

.lang-divider {
  color: rgba(255,255,255,0.48);
  font-size: var(--text-xs);
}

.site-header.scrolled .lang-divider {
  color: var(--color-line);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  margin-left: auto;
}

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

.ham-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.site-header.scrolled .ham-line {
  background-color: var(--color-graphite);
}

.hamburger.is-open .ham-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.is-open .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.is-open .ham-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-graphite);
  padding: var(--space-48) var(--space-32);
  overflow-y: auto;
  z-index: 99;
  flex-direction: column;
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-48);
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 300;
  color: var(--color-cream);
  padding: var(--space-8) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition), padding-left var(--transition);
}

.mobile-nav-link:hover {
  color: var(--color-wood-light);
  padding-left: var(--space-8);
}

.mobile-lang-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  margin-top: auto;
}

.mobile-lang-cta .lang-btn {
  color: rgba(255,255,255,0.64);
}

.mobile-lang-cta .lang-btn.active,
.mobile-lang-cta .lang-btn:hover {
  color: var(--color-white);
}

.mobile-lang-cta .lang-divider {
  color: rgba(255,255,255,0.38);
}

.mobile-lang-cta .btn-cta {
  align-self: flex-start;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(18, 20, 18, 0.55) 0%,
    rgba(18, 20, 18, 0.35) 50%,
    rgba(18, 20, 18, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + var(--space-64));
  padding-bottom: var(--space-48);
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-wood-light);
  margin-bottom: var(--space-24);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.08;
  margin-bottom: var(--space-24);
  max-width: 820px;
}

.hero-title em {
  font-style: italic;
  color: var(--color-wood-light);
}

.hero-desc {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.82);
  max-width: 620px;
  margin-bottom: var(--space-40);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
  margin-top: var(--space-32);
}

/* Hero stats bar */
.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.15);
  background: rgba(18,20,18,0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.stat-item {
  flex: 1 1 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-24) var(--space-16);
  gap: var(--space-4);
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  max-width: 110px;
}

.stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.12);
  align-self: stretch;
  margin: var(--space-16) 0;
}

@media (max-width: 600px) {
  .stat-divider:nth-child(4) { display: none; }
  .stat-item { flex-basis: 45%; }
}

/* === TIPOVI OBJEKATA === */
.types-section {
  padding: var(--space-128) 0;
  background-color: var(--color-cream);
}

.types-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 640px) {
  .types-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .types-grid { grid-template-columns: repeat(3, 1fr); }
  .type-card--wide { grid-column: span 3; }
}

.type-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.type-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(30,32,32,0.1);
}

.type-card-img-wrap {
  overflow: hidden;
  aspect-ratio: 16/9;
}

.type-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.type-card-body {
  padding: var(--space-40);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.type-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-olive);
  margin-bottom: var(--space-8);
}

.type-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-graphite);
  margin-bottom: var(--space-16);
  line-height: 1.2;
}

.type-card-desc {
  font-size: var(--text-base);
  color: var(--color-graphite-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--space-24);
}

.type-card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-wood);
  letter-spacing: 0.02em;
  transition: color var(--transition), gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: auto;
}

.type-card-link:hover { color: var(--color-graphite); }

/* A-frame card */
.type-card--wide {
  flex-direction: row;
  align-items: center;
  background: linear-gradient(135deg, var(--color-graphite) 60%, #2c3028 100%);
}

.type-card--wide .type-card-body--wide {
  padding: var(--space-48);
  flex: 1;
}

.type-card--wide .type-tag { color: var(--color-wood-light); }
.type-card--wide .type-card-title { color: var(--color-white); }
.type-card--wide .type-card-desc { color: rgba(255,255,255,0.76); }
.type-card--wide .type-card-link { color: var(--color-wood-light); }
.type-card--wide .type-card-link:hover { color: var(--color-white); }

.type-card-aframe-visual {
  width: 220px;
  padding: var(--space-48) var(--space-32);
  flex-shrink: 0;
  display: none;
}

@media (min-width: 768px) {
  .type-card-aframe-visual { display: block; }
}

/* === PROCES === */
.process-section {
  padding: var(--space-128) 0;
  background-color: var(--color-graphite);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.04);
  pointer-events: none;
}

.process-section .section-eyebrow { color: var(--color-wood-light); }
.process-section .section-title { color: var(--color-white); }

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (min-width: 768px) {
  .process-steps { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .process-steps { grid-template-columns: 1fr 1fr 1fr; }
}

.process-step {
  display: flex;
  gap: var(--space-24);
  padding: var(--space-48) var(--space-32);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: background-color var(--transition);
}

.process-step:hover {
  background-color: rgba(255,255,255,0.03);
}

@media (min-width: 1024px) {
  .process-step:nth-child(3n) { border-right: none; }
  .process-step:nth-last-child(-n+3) { border-bottom: none; }
}

.process-step-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: rgba(255,255,255,0.15);
  line-height: 1;
  flex-shrink: 0;
  min-width: 32px;
}

.process-step-title {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-8);
  line-height: 1.3;
}

.process-step-desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.76);
  line-height: 1.75;
}

.process-cta {
  text-align: center;
  margin-top: var(--space-64);
}

.process-cta .btn-primary {
  background-color: var(--color-wood);
  color: var(--color-white);
}

.process-cta .btn-primary:hover {
  background-color: var(--color-wood-light);
}

/* === TEHNOLOGIJA === */
.tech-section {
  padding: var(--space-128) 0;
  background-color: var(--color-cream-dark);
}

.tech-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}

@media (min-width: 960px) {
  .tech-inner {
    flex-direction: row;
    min-height: 620px;
  }
}

.tech-image-col {
  position: relative;
  overflow: hidden;
  flex: 0 0 45%;
}

.tech-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  min-height: 320px;
}

@media (min-width: 960px) {
  .tech-img { min-height: unset; }
}

.tech-img-caption {
  position: absolute;
  bottom: var(--space-24);
  left: var(--space-24);
  right: var(--space-24);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.75);
  background: rgba(18,20,18,0.55);
  backdrop-filter: blur(4px);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.tech-content-col {
  flex: 1;
  padding: var(--space-64) var(--space-48);
}

.container-half {
  max-width: 100%;
}

@media (min-width: 960px) {
  .container-half {
    padding-inline: clamp(var(--space-48), 5vw, var(--space-96));
  }
}

.tech-intro {
  font-size: var(--text-base);
  color: var(--color-graphite-mid);
  line-height: 1.75;
  margin-bottom: var(--space-32);
}

.u-values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-32);
}

@media (min-width: 600px) {
  .u-values-grid { grid-template-columns: repeat(3, 1fr); }
}

.u-value-item {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border: 1px solid var(--color-line);
}

.u-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-graphite);
}

.u-val {
  font-size: var(--text-xs);
  color: var(--color-graphite-light);
}

.u-val em {
  font-style: normal;
  color: var(--color-olive);
  font-size: 0.85em;
}

.tech-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  margin-bottom: var(--space-40);
}

.tech-list-item {
  display: flex;
  gap: var(--space-16);
  font-size: var(--text-sm);
  color: var(--color-graphite-mid);
  line-height: 1.6;
}

.tech-list-icon {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background-color: var(--color-wood);
  border-radius: 50%;
  margin-top: 7px;
}

.standards-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.standard-badge {
  background-color: var(--color-graphite);
  border-radius: var(--radius-sm);
  padding: var(--space-8) var(--space-16);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.std-code {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-white);
}

.std-name {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.64);
  letter-spacing: 0.03em;
}

/* === REFERENCE === */
.refs-section {
  padding: var(--space-128) 0;
  background-color: var(--color-cream);
}

.refs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
  margin-bottom: var(--space-64);
}

@media (min-width: 640px) {
  .refs-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .refs-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.ref-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ref-card-img-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
}

.ref-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.ref-card-body {
  padding: var(--space-32);
}

.ref-location {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-olive);
  margin-bottom: var(--space-8);
}

.ref-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-graphite);
  line-height: 1.3;
}

/* Text-only ref card (quote) */
.ref-card--text {
  background-color: var(--color-graphite);
  justify-content: center;
}

.ref-card--text .ref-card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-32);
}

.ref-card-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.9);
  line-height: 1.55;
}

.ref-card-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ref-card-author strong {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
}

.ref-card-author span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.64);
  letter-spacing: 0.06em;
}

/* Locations list */
.refs-locations {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-48);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-16) var(--space-32);
}

.refs-loc-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-graphite-light);
  white-space: nowrap;
}

.refs-loc-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8) var(--space-24);
}

.refs-loc-list li {
  font-size: var(--text-sm);
  color: var(--color-graphite-mid);
  font-weight: 500;
}

.refs-loc-list li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--color-wood);
  border-radius: 50%;
  margin-right: var(--space-8);
  vertical-align: middle;
  margin-bottom: 2px;
}

.refs-loc-more {
  color: var(--color-graphite-light);
  font-style: italic;
}

/* === MODELI === */
.models-section {
  padding: var(--space-128) 0;
  background-color: var(--color-cream-dark);
}

.models-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

@media (min-width: 580px) {
  .models-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .models-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1100px) {
  .models-grid { grid-template-columns: repeat(4, 1fr); }
  .model-card--featured { grid-column: span 1; }
}

.model-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-line);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.model-card:hover {
  border-color: var(--color-wood-light);
  box-shadow: 0 8px 30px rgba(30,32,32,0.08);
  transform: translateY(-3px);
}

.model-card--featured {
  background-color: var(--color-graphite);
  border-color: var(--color-graphite);
}

.model-card-header {
  padding: var(--space-32);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  gap: var(--space-16);
  flex-wrap: wrap;
}

.model-card--featured .model-card-header {
  border-bottom-color: rgba(255,255,255,0.1);
}

.model-visual {
  width: 80px;
  flex-shrink: 0;
}

.model-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-graphite);
}

.model-card--featured .model-name { color: var(--color-white); }

.model-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-wood-light);
  background: rgba(166,124,82,0.15);
  padding: 3px 10px;
  border-radius: 100px;
}

.model-card-body {
  padding: var(--space-32);
}

.model-desc {
  font-size: var(--text-base);
  color: var(--color-graphite-light);
  line-height: 1.7;
  margin-bottom: var(--space-16);
}

.model-card--featured .model-desc { color: rgba(255,255,255,0.72); }

.model-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-wood);
  transition: color var(--transition);
}

.model-link:hover { color: var(--color-graphite); }

.model-card--featured .model-link { color: var(--color-wood-light); }
.model-card--featured .model-link:hover { color: var(--color-white); }

/* === TESTIMONIALS === */
.testimonials-section {
  padding: var(--space-128) 0;
  background-color: var(--color-cream);
}

.test-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
}

@media (min-width: 640px) {
  .test-grid { grid-template-columns: 1fr 1fr; }
}

.test-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-40);
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
  transition: border-color var(--transition);
}

.test-card:hover { border-color: var(--color-wood-light); }

.test-quote {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 300;
  font-style: italic;
  color: var(--color-graphite-mid);
  line-height: 1.6;
}

.test-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-24);
  margin-top: auto;
}

.test-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-graphite);
}

.test-loc {
  font-size: var(--text-xs);
  color: var(--color-graphite-light);
  letter-spacing: 0.05em;
}

/* === KONTAKT === */
.contact-section {
  padding: var(--space-128) 0;
  background-color: var(--color-graphite);
}

.contact-section .section-eyebrow { color: var(--color-wood-light); }
.contact-section .section-title { color: var(--color-white); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-64);
}

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

.contact-lead {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
  margin-bottom: var(--space-48);
  max-width: 480px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  margin-bottom: var(--space-40);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

.contact-detail-item svg { color: var(--color-wood-light); flex-shrink: 0; margin-top: 2px; }

.contact-link {
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}

.contact-link:hover { color: var(--color-wood-light); }

.social-links {
  display: flex;
  gap: var(--space-16);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: rgba(255,255,255,0.72);
  transition: border-color var(--transition), color var(--transition);
}

.social-link:hover {
  border-color: var(--color-wood-light);
  color: var(--color-wood-light);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.64);
}

.form-input {
  background-color: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 13px var(--space-16);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-white);
  width: 100%;
  transition: border-color var(--transition), background-color var(--transition);
  min-height: 48px;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder { color: rgba(255,255,255,0.48); }

.form-input:focus {
  outline: none;
  border-color: var(--color-wood-light);
  background-color: rgba(255,255,255,0.09);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-select option { background-color: var(--color-graphite); color: var(--color-white); }

.form-textarea { min-height: 130px; resize: vertical; }

.btn-submit {
  align-self: flex-start;
  background-color: var(--color-wood);
  color: var(--color-white);
  padding: 15px 32px;
}

.btn-submit:hover { background-color: var(--color-wood-light); }

.form-notice {
  font-size: var(--text-sm);
  color: var(--color-wood-light);
  min-height: 1.4em;
}

/* === FOOTER === */
.site-footer {
  background-color: #151717;
  padding: var(--space-96) 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-48);
  padding-bottom: var(--space-64);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

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

@media (min-width: 960px) {
  .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-brand .logo img {
  filter: brightness(0) invert(1);
  opacity: 0.7;
  height: 34px;
  width: auto;
  margin-bottom: var(--space-16);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.72);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.footer-since {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.48);
  letter-spacing: 0.04em;
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-24);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.68);
  transition: color var(--transition);
  padding: 3px 0;
}

.footer-nav a:hover { color: var(--color-white); }

.footer-contact p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.68);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.footer-contact a {
  color: rgba(255,255,255,0.68);
  transition: color var(--transition);
}

.footer-contact a:hover { color: var(--color-wood-light); }

.footer-social {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-social-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.68);
  transition: color var(--transition);
  padding: 3px 0;
}

.footer-social-link:hover { color: var(--color-white); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-24) 0;
}

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.42);
}

.footer-iso {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.06em;
}



/* === MOBILE UX POJAČANJA === */
.mobile-quick-actions {
  display: none;
}

@media (max-width: 767px) {
  :root {
    --header-h: 64px;
  }

  body {
    padding-bottom: 76px;
  }

  .container {
    padding-inline: 20px;
  }

  .section-header {
    text-align: left;
    margin-bottom: var(--space-40);
  }

  .section-title {
    font-size: clamp(2.25rem, 9vw, 3.2rem);
    line-height: 1.08;
  }

  .section-lead {
    font-size: 1.05rem;
    line-height: 1.75;
  }

  .types-section,
  .process-section,
  .tech-section,
  .refs-section,
  .models-section,
  .testimonials-section,
  .contact-section {
    padding-block: var(--space-96);
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: calc(var(--header-h) + 72px);
    padding-bottom: var(--space-64);
  }

  .hero-title {
    font-size: clamp(3rem, 13vw, 4.25rem);
    line-height: 1.03;
    max-width: 100%;
  }

  .hero-desc {
    font-size: 1.08rem;
    line-height: 1.75;
    max-width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-ctas .btn-primary,
  .hero-ctas .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .stat-divider {
    display: none;
  }

  .stat-item {
    align-items: flex-start;
    text-align: left;
    padding: 22px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }

  .stat-label {
    max-width: 150px;
    font-size: 0.78rem;
    line-height: 1.35;
  }

  .type-card-body,
  .type-card--wide .type-card-body--wide,
  .model-card-header,
  .model-card-body,
  .ref-card-body,
  .test-card {
    padding: 28px;
  }

  .type-card--wide {
    flex-direction: column;
    align-items: stretch;
  }

  .type-card-aframe-visual {
    display: block;
    width: 160px;
    padding: 0 28px 28px;
    align-self: flex-end;
  }

  .process-steps {
    border-radius: var(--radius-lg);
  }

  .process-step {
    padding: 34px 26px;
    gap: var(--space-16);
    border-right: none;
  }

  .process-step-title {
    font-size: 1.1rem;
  }

  .process-step-desc,
  .model-desc,
  .type-card-desc,
  .tech-list-item,
  .contact-detail-item,
  .footer-contact p,
  .footer-nav a,
  .footer-social-link {
    font-size: 1rem;
  }

  .tech-content-col {
    padding: 56px 20px 0;
  }

  .u-values-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .u-value-item {
    padding: 18px;
  }

  .standards-row {
    flex-direction: column;
  }

  .standard-badge {
    padding: 14px 16px;
  }

  .refs-locations {
    align-items: flex-start;
    flex-direction: column;
  }

  .refs-loc-list {
    flex-direction: column;
    gap: 12px;
  }

  .contact-inner {
    gap: var(--space-48);
  }

  .contact-form {
    gap: 18px;
  }

  .form-input {
    min-height: 54px;
    font-size: 1rem;
  }

  .btn-submit {
    width: 100%;
    justify-content: center;
  }

  .footer-inner {
    gap: var(--space-40);
  }

  .mobile-quick-actions {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 120;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 10px;
    background: rgba(21, 23, 23, 0.92);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.28);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .mobile-quick-link {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
  }

  .mobile-quick-link--call {
    background: var(--color-cream);
    color: var(--color-graphite);
  }

  .mobile-quick-link--inquiry {
    background: var(--color-wood);
    color: var(--color-white);
  }
}

/* === FOCUS VISIBLE === */
:focus-visible {
  outline: 2px solid var(--color-wood-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}