/* ==========================================================================
   BRIGADA BAU — main stylesheet
   ========================================================================== */

:root {
  --color-accent: #ad84c6;
  --color-accent-dark: #8f66ab;
  --color-accent-light: #d8c3e8;
  --color-accent-soft: rgba(173, 132, 198, 0.1);
  --color-text: #222222;
  --color-text-soft: #5a5a5f;
  --color-white: #ffffff;
  --color-grey-100: #fafafa;
  --color-grey-200: #f1f1f1;
  --color-grey-300: #e6e6e9;

  --font-main: 'Plus Jakarta Sans', 'Segoe UI', Arial, sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-soft: 0 10px 30px rgba(34, 34, 34, 0.06);
  --shadow-hover: 0 18px 40px rgba(173, 132, 198, 0.22);

  --container-width: 1260px;
  --header-height: 84px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-main);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.65;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

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

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

ul {
  list-style: none;
}

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

h1, h2, h3, h4 {
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  position: relative;
}

section:has(.section-deco) {
  overflow: hidden;
}

section[id] {
  scroll-margin-top: var(--header-height);
}

main {
  overflow-x: clip;
  max-width: 100%;
}

/* ---------- Section heading ---------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
}

.section-tag::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
}

.section-heading {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--color-text);
  margin-bottom: 18px;
  max-width: 720px;
}

.section-intro {
  color: var(--color-text-soft);
  max-width: 80%;
  font-size: 1.02rem;
  margin-bottom: 26px;
  text-align: left;
}

.section-head {
  margin-bottom: 40px;
}

.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-head.center .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.section-head.center .section-tag {
  justify-content: center;
}

.section-padding {
  padding: 110px 0;
}

.bg-soft {
  background: var(--color-grey-100);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 400;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 14px 30px rgba(173, 132, 198, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(173, 132, 198, 0.45);
}

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: var(--color-white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), height 0.4s var(--ease);
}

.site-header::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(173, 132, 198, 0.12);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.header-shimmer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.header-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(173, 132, 198, 0.15) 25%,
    rgba(255, 255, 255, 0.95) 50%,
    rgba(173, 132, 198, 0.15) 75%,
    transparent 100%
  );
  opacity: 0;
}

.site-header.is-shimmering .header-shimmer::after {
  animation: headerShimmer 0.85s var(--ease) forwards;
}

@keyframes headerShimmer {
  0% {
    left: -40%;
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  100% {
    left: 140%;
    opacity: 0;
  }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  transition: opacity 0.4s var(--ease);
}

.logo-img {
  height: 58px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: height 0.4s var(--ease);
}

.site-header.is-scrolled .logo-img {
  height: 50px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav a {
  position: relative;
  font-size: 0.94rem;
  color: var(--color-white);
  transition: color 0.35s var(--ease);
  padding: 6px 0;
}

.site-header.is-scrolled .main-nav a {
  color: var(--color-text);
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.35s var(--ease);
  border-radius: var(--radius-pill);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.main-nav a.active {
  color: var(--color-accent);
}

.site-header.is-scrolled .main-nav a.active {
  color: var(--color-accent-dark);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 18px;
}

.lang-link {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding: 6px 8px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}

.lang-link:hover,
.lang-link.is-active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.14);
}

.site-header.is-scrolled .lang-link {
  color: var(--color-text-soft);
}

.site-header.is-scrolled .lang-link:hover,
.site-header.is-scrolled .lang-link.is-active {
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
  background: rgba(255, 255, 255, 0.14);
}

.site-header.is-scrolled .nav-toggle {
  color: var(--color-text);
  background: var(--color-grey-200);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--color-white);
}

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

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.6s var(--ease), transform 7s linear;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 16, 24, 0.6) 0%, rgba(20, 16, 24, 0.45) 40%, rgba(20, 16, 24, 0.82) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 840px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.hero-eyebrow span.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

.marker {
  position: relative;
  z-index: 0;
}

@media (min-width: 781px) {
  .marker {
    white-space: nowrap;
  }
}

.marker::before {
  content: '';
  position: absolute;
  left: -0.06em;
  right: -0.06em;
  bottom: 0.06em;
  height: 0.58em;
  background: rgba(173, 132, 198, 0.72);
  transform: skewX(-10deg);
  z-index: -1;
  border-radius: 2px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  margin-bottom: 22px;
  max-width: 100%;
  overflow-wrap: break-word;
}

.hero p.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 620px;
  margin-bottom: 36px;
}

@media (min-width: 1400px) {
  .hero .container.hero-content {
    max-width: 1240px;
  }

  .hero-content {
    max-width: 900px;
  }

  .hero p.hero-sub {
    max-width: 700px;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 4vw, 4.4rem);
  }
}

@media (min-width: 1800px) {
  .hero .container.hero-content {
    max-width: 1360px;
  }

  .hero-content {
    max-width: 980px;
  }

  .hero p.hero-sub {
    max-width: 760px;
  }
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 10px;
}

.hero-dots button {
  width: 34px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.35);
  transition: background 0.35s var(--ease);
}

.hero-dots button.is-active {
  background: var(--color-white);
}

.scroll-hint {
  position: absolute;
  right: 40px;
  bottom: 46px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-hint .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), transparent);
  animation: scrollLine 2.2s infinite var(--ease);
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================================================
   Section background decorations
   ========================================================================== */
.section-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.section-deco + .container,
section > .container {
  position: relative;
  z-index: 1;
}

.deco-node,
.deco-dot {
  position: absolute;
  border-radius: 50%;
  background: rgba(173, 132, 198, 0.18);
  box-shadow: 0 0 0 4px rgba(173, 132, 198, 0.04);
}

.deco-node {
  width: 8px;
  height: 8px;
}

.deco-dot {
  width: 6px;
  height: 6px;
  background: rgba(160, 160, 168, 0.35);
  box-shadow: none;
}

.deco-line,
.deco-grid-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(180, 180, 188, 0.35), transparent);
}

.deco-line {
  height: 1px;
}

.deco-grid-line--h {
  height: 1px;
  width: 55%;
}

.deco-grid-line--v {
  width: 1px;
  height: 45%;
  background: linear-gradient(180deg, transparent, rgba(180, 180, 188, 0.3), transparent);
}

.deco-ring,
.deco-pulse,
.deco-mesh {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(180, 180, 188, 0.22);
}

.deco-ring {
  width: 120px;
  height: 120px;
}

.deco-pulse {
  width: 160px;
  height: 160px;
  border-color: rgba(173, 132, 198, 0.12);
}

.deco-mesh {
  width: 90px;
  height: 90px;
  border-style: dashed;
  border-color: rgba(180, 180, 188, 0.2);
}

/* About */
.section-deco--about .deco-node--1 { top: 18%; left: 8%; animation: floatNode 14s ease-in-out infinite; }
.section-deco--about .deco-node--2 { top: 62%; right: 12%; animation: floatNode 18s ease-in-out infinite reverse; }
.section-deco--about .deco-node--3 { bottom: 22%; left: 22%; animation: floatNode 16s ease-in-out infinite 2s; }
.section-deco--about .deco-line--1 { top: 28%; left: 10%; width: 28%; transform: rotate(-8deg); animation: fadeLine 12s ease-in-out infinite; }
.section-deco--about .deco-line--2 { bottom: 30%; right: 8%; width: 32%; transform: rotate(6deg); animation: fadeLine 15s ease-in-out infinite 3s; }

/* Why us */
.section-deco--why .deco-dot--1 { top: 14%; left: 6%; animation: floatDot 11s ease-in-out infinite; }
.section-deco--why .deco-dot--2 { top: 38%; right: 10%; animation: floatDot 13s ease-in-out infinite 1s; }
.section-deco--why .deco-dot--3 { bottom: 28%; left: 14%; animation: floatDot 12s ease-in-out infinite 2s; }
.section-deco--why .deco-dot--4 { bottom: 12%; right: 18%; animation: floatDot 10s ease-in-out infinite 0.5s; }
.section-deco--why .deco-ring--1 { top: 10%; right: 6%; animation: floatRing 20s ease-in-out infinite; }
.section-deco--why .deco-ring--2 { bottom: 8%; left: 4%; width: 80px; height: 80px; animation: floatRing 17s ease-in-out infinite reverse; }

/* Achievements */
.section-deco--achievements .deco-pulse--1 { top: 12%; left: 5%; animation: pulseRing 8s ease-in-out infinite; }
.section-deco--achievements .deco-pulse--2 { bottom: 10%; right: 7%; animation: pulseRing 10s ease-in-out infinite 2s; }
.section-deco--achievements .deco-grid-line--h { top: 50%; left: 8%; animation: driftLine 16s ease-in-out infinite; }
.section-deco--achievements .deco-grid-line--v { top: 18%; right: 20%; animation: driftLine 18s ease-in-out infinite reverse; }
.section-deco--achievements .deco-node--4 { top: 24%; right: 12%; animation: floatNode 13s ease-in-out infinite; }
.section-deco--achievements .deco-node--5 { bottom: 24%; left: 10%; animation: floatNode 15s ease-in-out infinite 1.5s; }

/* Contact */
.section-deco--contact .deco-mesh--1 { top: 16%; right: 8%; animation: floatRing 19s ease-in-out infinite; }
.section-deco--contact .deco-mesh--2 { bottom: 14%; left: 6%; width: 70px; height: 70px; animation: floatRing 16s ease-in-out infinite reverse; }
.section-deco--contact .deco-dot--5 { top: 22%; left: 12%; animation: floatDot 12s ease-in-out infinite; }
.section-deco--contact .deco-dot--6 { top: 55%; right: 14%; animation: floatDot 14s ease-in-out infinite 1s; }
.section-deco--contact .deco-dot--7 { bottom: 20%; right: 28%; animation: floatDot 11s ease-in-out infinite 2s; }
.section-deco--contact .deco-line--3 { top: 42%; left: 5%; width: 24%; transform: rotate(-4deg); animation: fadeLine 13s ease-in-out infinite; }

@keyframes floatNode {
  0%, 100% { transform: translate(0, 0); opacity: 0.5; }
  50% { transform: translate(12px, -18px); opacity: 0.9; }
}

@keyframes floatDot {
  0%, 100% { transform: translate(0, 0); opacity: 0.35; }
  50% { transform: translate(-10px, 14px); opacity: 0.7; }
}

@keyframes floatRing {
  0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 0.35; }
  50% { transform: translate(8px, -12px) rotate(8deg); opacity: 0.6; }
}

@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 0.25; }
  50% { transform: scale(1.08); opacity: 0.55; }
}

@keyframes fadeLine {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.55; }
}

@keyframes driftLine {
  0%, 100% { transform: translateX(0); opacity: 0.25; }
  50% { transform: translateX(16px); opacity: 0.5; }
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  color: var(--color-text-soft);
  margin-bottom: 18px;
}

.about-text .mission {
  margin-top: 28px;
  padding: 22px 26px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-light);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.feature-card .value {
  font-size: 1.7rem;
  color: var(--color-accent-dark);
  display: block;
  margin-bottom: 6px;
}

.feature-card .label {
  color: var(--color-text-soft);
  font-size: 0.92rem;
}

/* ==========================================================================
   Construction timeline
   ========================================================================== */
.timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 70px;
}

.timeline-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-md);
  position: relative;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.timeline-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.timeline-index {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 0.75rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.timeline-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--color-accent-soft), transparent);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.timeline-item h4 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.timeline-item p {
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.gallery-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 10px;
}

.gallery-label h3 {
  font-size: 1.15rem;
  color: var(--color-text);
}

.gallery-label span {
  color: var(--color-text-soft);
  font-size: 0.88rem;
}

.gallery-carousel {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  max-width: 100%;
}

.gallery-carousel__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 6px 2px 10px;
  mask-image: linear-gradient(90deg, transparent, #000 2%, #000 98%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 2%, #000 98%, transparent);
}

.gallery-carousel__viewport::-webkit-scrollbar {
  display: none;
}

.gallery-carousel__track {
  display: flex;
  gap: 16px;
  width: max-content;
}

.gallery-carousel__btn {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-grey-200);
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease), opacity 0.3s var(--ease);
}

.gallery-carousel__btn:hover:not(:disabled) {
  transform: translateY(-2px);
  background: var(--color-accent-soft);
  border-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.gallery-carousel__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

.gallery-item {
  position: relative;
  flex-shrink: 0;
  width: clamp(150px, 12vw, 190px);
  aspect-ratio: 1 / 2;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  scroll-snap-align: start;
  box-shadow: 0 10px 28px rgba(34, 34, 34, 0.08);
  border: 1px solid rgba(173, 132, 198, 0.12);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(34, 34, 34, 0.12);
  border-color: rgba(173, 132, 198, 0.28);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(20, 16, 24, 0.55) 100%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.gallery-item .zoom-icon {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover::after,
.gallery-item:hover .zoom-icon {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Certifications (why-us)
   ========================================================================== */
.cert-list-intro {
  text-align: left;
  color: var(--color-text-soft);
  max-width: 80%;
  margin: -10px auto 26px;
  font-size: 1.02rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}

.cert-card {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-grey-200);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  text-align: center;
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-light);
}

.cert-image {
  position: relative;
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  min-height: 300px;
  background: var(--color-white);
  margin-bottom: 16px;
}

.cert-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.6s var(--ease);
}

.cert-image:hover img {
  transform: scale(1.05);
}

.cert-image .zoom-icon {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.cert-image:hover .zoom-icon {
  opacity: 1;
  transform: translateY(0);
}

.cert-image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  font-size: 2.4rem;
  background: linear-gradient(145deg, var(--color-accent-soft), transparent);
}

.cert-card h4 {
  font-size: 0.98rem;
  color: var(--color-text);
  line-height: 1.45;
}

.cert-closing {
  text-align: center;
  color: var(--color-text-soft);
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.testimonial-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--color-text) 0%, #34303a 100%);
  color: var(--color-white);
  position: relative;
}

.testimonial-card .fa-quote-left {
  color: var(--color-accent-light);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.testimonial-card p.quote {
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.testimonial-card .source {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   Experience / Map
   ========================================================================== */
.experience-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 26px;
  align-items: stretch;
}

#map {
  width: 100%;
  height: 460px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-grey-200);
  box-shadow: var(--shadow-soft);
  max-width: 100%;
  overflow: hidden;
}

.leaflet-container {
  max-width: 100%;
  font-family: var(--font-main);
}

#experience,
#partners {
  overflow: hidden;
}

.leaflet-popup-content-wrapper {
  border-radius: var(--radius-sm);
}

.map-legend {
  background: var(--color-white);
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.map-legend h4 {
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-grey-200);
}

.legend-item:last-child {
  border-bottom: none;
}

.legend-city {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-badge {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--color-white);
  font-weight: 400;
}

/* ==========================================================================
   Achievements
   ========================================================================== */
.achievements-wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: center;
  background: var(--color-text);
  border-radius: var(--radius-lg);
  padding: 60px;
  color: var(--color-white);
}

.achievement-stat .fa-bolt {
  color: var(--color-accent-light);
  margin-bottom: 18px;
  font-size: 1.4rem;
}

.achievement-number {
  font-size: clamp(3rem, 6vw, 4.6rem);
  color: var(--color-white);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.achievement-number .unit {
  font-size: 1.6rem;
  color: var(--color-accent-light);
}

.achievement-stat h3 {
  font-size: 1.15rem;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
}

.chart-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 26px;
  height: 300px;
}

/* ==========================================================================
   Partners
   ========================================================================== */
.partners-carousel {
  overflow: hidden;
  max-width: 100%;
  contain: layout paint;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.partners-track {
  display: flex;
  align-items: center;
  gap: 24px;
  width: max-content;
  animation: partnersScroll 32s linear infinite;
}

.partners-track:hover {
  animation-play-state: paused;
}

@keyframes partnersScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.partner-card {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 90px;
  padding: 20px 28px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-grey-200);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.partner-card:hover {
  transform: translateY(-4px);
}

.partner-card img {
  max-width: 100%;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-address {
  background: linear-gradient(150deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 44px;
  color: var(--color-white);
}

.contact-address .icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.2rem;
}

.contact-address address {
  font-style: normal;
  line-height: 1.8;
  opacity: 0.95;
}

.contact-persons {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px;
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-md);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}

.contact-card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
}

.contact-avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.contact-card h4 {
  font-size: 1.02rem;
  margin-bottom: 2px;
}

.contact-card .role {
  color: var(--color-accent-dark);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  display: block;
}

.contact-card .detail {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer .logo-img {
  height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-links a {
  font-size: 0.88rem;
  transition: color 0.3s var(--ease);
}

.footer-links a:hover {
  color: var(--color-accent-light);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.footer-social a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   Back to top
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s;
  z-index: 900;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .achievements-wrap {
    padding: 44px;
  }
}

@media (max-width: 900px) {
  .about-grid,
  .experience-grid,
  .contact-grid,
  .achievements-wrap {
    grid-template-columns: 1fr;
  }

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

  #map {
    height: 380px;
  }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
    z-index: 999;
  }

  .main-nav.is-open {
    max-height: 480px;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 18px 24px 26px;
  }

  .main-nav a {
    color: var(--color-text);
    display: block;
    padding: 12px 0;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
    flex-shrink: 0;
    margin-left: 8px;
    z-index: 1001;
  }

  .lang-switch {
    margin-left: auto;
  }

  .site-header .container {
    gap: 8px;
    min-width: 0;
  }

  .site-footer .logo-img {
    height: 40px;
    filter: brightness(0) invert(1);
  }

  .logo {
    flex: 0 1 auto;
    min-width: 0;
    max-width: calc(100% - 54px);
  }

  .logo-img {
    height: 36px;
    max-width: min(150px, 52vw);
  }

  .site-header.is-scrolled .logo-img {
    height: 32px;
  }

  .hero h1 {
    font-size: clamp(1.65rem, 7.2vw, 2.25rem);
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-eyebrow {
    font-size: 0.72rem;
    padding: 6px 14px;
    max-width: 100%;
  }

  .section-heading {
    max-width: 100%;
  }
}

@media (max-width: 780px) {
  .section-padding {
    padding: 80px 0;
  }

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

  .cert-grid,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .partners-carousel {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    contain: none;
    touch-action: pan-x;
    mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  }

  .partners-carousel::-webkit-scrollbar {
    display: none;
  }

  .partners-track {
    animation: none;
    transform: none !important;
  }

  .partner-card {
    scroll-snap-align: center;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 18px;
    width: 100%;
    max-width: 100%;
  }

  .footer-links a {
    white-space: nowrap;
  }

  .footer-social {
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .scroll-hint {
    display: none;
  }

  .cert-grid,
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-carousel {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .gallery-carousel__btn {
    display: none;
  }

  .gallery-carousel__viewport {
    grid-row: 1;
    padding-bottom: 4px;
  }

  .gallery-item {
    width: clamp(130px, 42vw, 170px);
  }

  .achievements-wrap {
    padding: 32px;
  }
}