/* ============================================================
   STROYQAZ — Modern Construction Website
   ============================================================ */

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

:root {
  --blue-950: #060d1f;
  --blue-900: #0a1628;
  --blue-800: #0d2044;
  --blue-700: #0049a8;
  --blue-600: #0a5fd1;
  --blue-500: #337fc6;
  --blue-400: #5a9fd4;
  --blue-200: #b8d4f0;
  --blue-100: #e0edfa;
  --blue-50:  #f0f6ff;
  --gold-500: #f2c616;
  --gold-400: #fad548;
  --gold-600: #d4a800;
  --dark:     #0e1320;
  --text:     #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --white:    #ffffff;
  --surface:  #f8fafc;
  --border:   #e2e8f0;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-xs: 0 1px 3px rgba(0,0,0,.06);
  --shadow-sm: 0 2px 12px rgba(0,73,168,.06);
  --shadow-md: 0 8px 32px rgba(0,73,168,.1);
  --shadow-lg: 0 20px 60px rgba(0,73,168,.15);
  --shadow-xl: 0 32px 80px rgba(0,73,168,.2);
  --transition: all .35s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb {
  background: var(--blue-500);
  border-radius: 3px;
}

::selection { background: rgba(0,73,168,.15); }

/* ── NAVIGATION ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226,232,240,.6);
  transition: var(--transition);
}

.nav--scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: 0 1px 20px rgba(0,0,0,.06);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

.nav__logo-img {
  height: 38px;
  width: auto;
  transition: var(--transition);
}

.nav__logo-img--light {
  filter: brightness(0) invert(1);
  opacity: .85;
}

.nav__logo-img--light:hover { opacity: 1; }

.nav__menu {
  display: flex;
  gap: 4px;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--blue-700);
  background: var(--blue-50);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__lang {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.nav__lang-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav__lang-btn.active {
  background: var(--white);
  color: var(--blue-700);
  box-shadow: var(--shadow-xs);
}

.nav__cta {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: var(--white);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,73,168,.35);
}

/* Burger */
.nav__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  width: 44px;
  height: 44px;
  z-index: 10;
}

.nav__burger span {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: top .2s ease .2s, transform .2s ease, opacity .15s ease;
}

.nav__burger span:nth-child(1) { top: 14px; }
.nav__burger span:nth-child(2) { top: 21px; }
.nav__burger span:nth-child(3) { top: 28px; }

.nav__burger.active span {
  transition: top .2s ease, transform .2s ease .2s, opacity .15s ease;
}
.nav__burger.active span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav__burger.active span:nth-child(2) { opacity: 0; }
.nav__burger.active span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, transparent 70%, rgba(6,13,31,.95) 100%),
    linear-gradient(160deg, rgba(10,22,40,.82) 0%, rgba(0,73,168,.55) 50%, rgba(51,127,198,.3) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 160px 0 100px;
  max-width: 720px;
}

.hero__badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 100px;
  color: var(--blue-200);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .3px;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(42px, 6vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2.5px;
  color: var(--white);
  margin-bottom: 24px;
}

.hero__title--accent {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.7;
  color: rgba(255,255,255,.7);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero__buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.4);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: .4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(.6); }
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,73,168,.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,73,168,.45);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.3);
}

.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.5);
}

.btn--lg { padding: 18px 40px; font-size: 16px; border-radius: var(--radius-lg); }
.btn--full { width: 100%; }

/* ── SECTION HEADER ────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-header__tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  padding: 6px 14px;
  border-radius: 100px;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header__tag--light {
  background: rgba(255,255,255,.12);
  color: var(--blue-200);
}

.section-header__title {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-header__desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ── CATALOG ───────────────────────────────────────────────── */
.catalog {
  padding: 120px 0;
  background: var(--surface);
}

.catalog__filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.catalog__filter {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.catalog__filter:hover {
  border-color: var(--blue-500);
  color: var(--blue-700);
}

.catalog__filter.active {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: var(--white);
  border-color: var(--blue-700);
  box-shadow: 0 4px 16px rgba(0,73,168,.3);
}

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.catalog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.catalog-card.hidden {
  display: none;
}

.catalog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.catalog-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.catalog-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.catalog-card:hover .catalog-card__image img {
  transform: scale(1.08);
}

.catalog-card__badge {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  color: var(--blue-700);
}

.catalog-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.catalog-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  letter-spacing: -0.2px;
  line-height: 1.35;
}

.catalog-card__text {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 16px;
}

.catalog-card__meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.catalog-card__tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  padding: 4px 10px;
  border-radius: 100px;
}

.catalog-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
  transition: var(--transition);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.catalog-card__link:hover { color: var(--blue-600); }

/* ── PORTFOLIO ─────────────────────────────────────────────── */
.portfolio {
  padding: 120px 0;
  background: var(--white);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  grid-auto-rows: 280px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.portfolio-card--wide {
  grid-column: span 1;
}

.portfolio-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.portfolio-card:hover img { transform: scale(1.08); }

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,.85) 0%, rgba(10,22,40,.15) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-card__overlay {
  background: linear-gradient(to top, rgba(0,73,168,.9) 0%, rgba(0,73,168,.3) 60%, transparent 100%);
}

.portfolio-card__cat {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold-500);
  margin-bottom: 8px;
}

.portfolio-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.portfolio-card__info {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  font-weight: 500;
}

.portfolio-card__btn {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  opacity: 0;
  transform: translateY(8px);
  transition: all .35s ease;
}

.portfolio-card:hover .portfolio-card__btn {
  opacity: 1;
  transform: translateY(0);
}

a.portfolio-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* ── PROJECT PAGE ──────────────────────────────────────────── */
.project-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.project-hero__bg {
  position: absolute;
  inset: 0;
}

.project-hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.project-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,.85) 0%, rgba(10,22,40,.3) 50%, transparent 100%);
}

.project-hero__content {
  position: relative;
  z-index: 2;
  padding: 0 0 60px;
}

.project-hero__back {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  margin-bottom: 24px;
  transition: color .3s;
}

.project-hero__back:hover { color: var(--white); }

.project-hero__cat {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold-500);
  margin-bottom: 12px;
}

.project-hero__title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1px;
}

.project-details {
  padding: 80px 0;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px;
  background: var(--blue-50);
  border-radius: var(--radius-lg);
  margin-bottom: 60px;
}

.project-meta__item {
  text-align: center;
}

.project-meta__label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.project-meta__value {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-700);
}

.project-body {
  max-width: 800px;
  margin: 0 auto 60px;
}

.project-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--blue-950);
  margin: 40px 0 16px;
}

.project-body h2:first-child { margin-top: 0; }

.project-body p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.project-body ul {
  list-style: none;
  padding: 0;
}

.project-body li {
  position: relative;
  padding-left: 28px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.project-body li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--blue-700);
  font-weight: 700;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.project-gallery img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform .4s ease;
}

.project-gallery img:hover {
  transform: scale(1.03);
}

/* ── ABOUT ─────────────────────────────────────────────────── */
.about {
  padding: 120px 0;
  background: var(--white);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about__image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.about__image-badge {
  position: absolute;
  bottom: 24px; right: 24px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}

.about__image-badge-num {
  display: block;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -1px;
}

.about__image-badge-text {
  font-size: 12px;
  font-weight: 500;
  opacity: .8;
  margin-top: 4px;
  display: block;
}

.about__title {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--dark);
  margin: 16px 0 24px;
}

.about__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

.about__feature:hover {
  background: var(--blue-50);
}

.about__feature-icon {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── STATS ─────────────────────────────────────────────────── */
.stats {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.stats__bg {
  position: absolute;
  inset: 0;
}

.stats__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.stats__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,13,31,1) 0%, rgba(6,13,31,.96) 30%, rgba(10,22,40,.92) 60%, rgba(0,73,168,.85) 100%);
}

.stats__inner { position: relative; z-index: 2; }

.stats__header {
  text-align: center;
  margin-bottom: 64px;
}

.stats__title {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--white);
  margin-top: 16px;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(255,255,255,.12);
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.2);
}

.stat-card__number {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--gold-500);
}

.stat-card__unit {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold-400);
  margin-left: 2px;
}

.stat-card__label {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.65);
  margin-top: 12px;
  line-height: 1.4;
}

/* ── CTA ───────────────────────────────────────────────────── */
.cta {
  padding: 100px 0;
  background: var(--surface);
}

.cta__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 48px;
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-600) 60%, var(--blue-500) 100%);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0,73,168,.25);
  border: 1px solid transparent;
  overflow: hidden;
  color: var(--white);
}

.cta__inner::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, var(--gold-500), transparent 70%);
  opacity: .12;
  pointer-events: none;
}

.cta__inner::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.6), transparent 70%);
  opacity: .08;
  pointer-events: none;
}

.cta__inner > * { position: relative; z-index: 1; }

.cta__inner .cta__title { color: var(--white); }
.cta__inner .cta__text { color: rgba(255,255,255,.85); }

.cta__inner .btn--primary {
  background: var(--white);
  color: var(--blue-700);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}

.cta__inner .btn--primary:hover {
  background: var(--gold-500);
  color: var(--blue-950);
  box-shadow: 0 12px 40px rgba(242,198,22,.4);
}

.cta__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.cta__text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* ── CONTACTS ──────────────────────────────────────────────── */
.contacts {
  padding: 120px 0;
  background: var(--white);
}

.contacts__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contacts__title {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--dark);
  margin: 16px 0 40px;
}

.contacts__items { display: flex; flex-direction: column; gap: 24px; }

.contacts__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contacts__item:hover {
  background: var(--blue-50);
  border-color: var(--blue-200);
  transform: translateX(4px);
}

.contacts__item-icon {
  width: 44px; height: 44px;
  background: var(--blue-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contacts__item-icon svg {
  width: 20px; height: 20px;
  color: var(--blue-700);
}

.contacts__item-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 4px;
}

.contacts__item-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

.contacts__item-link { transition: var(--transition); }
.contacts__item-link:hover { color: var(--blue-700); }

/* Form */
.contacts__form {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--border);
}

.contacts__form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
  letter-spacing: -0.5px;
}

.form-group { margin-bottom: 16px; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font);
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(0,73,168,.08);
}

.contacts__form-consent {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
  line-height: 1.5;
}

/* ── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--blue-950);
  padding: 72px 0 32px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-500), var(--gold-500), var(--blue-500), transparent);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.45);
  margin-top: 16px;
  max-width: 320px;
}

.footer__nav { display: flex; flex-direction: column; gap: 12px; }

.footer__nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.footer__nav a {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  transition: var(--transition);
}

.footer__nav a:hover { color: var(--gold-500); }

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.5;
  transition: var(--transition);
}

.footer__contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--gold-500);
}

a.footer__contact-item:hover {
  color: var(--white);
}

.footer__bottom {
  padding-top: 24px;
  text-align: center;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.25);
}

/* ── ANIMATIONS ────────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}

[data-animate="fade-right"] { transform: translateX(-32px); }
[data-animate="fade-left"] { transform: translateX(32px); }

[data-animate].visible {
  opacity: 1;
  transform: translate(0);
}

/* ── MAP SECTION ───────────────────────────────────────────── */
.map-section {
  padding-top: 80px;
  padding-bottom: 0;
}

.map-section__header {
  text-align: center;
  margin-bottom: 32px;
}

.map-section__title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--blue-950);
  margin-top: 12px;
}

.map-section__address {
  margin-top: 12px;
  font-size: 16px;
  color: var(--text-secondary);
}

.map-section__wrap {
  width: 100%;
  line-height: 0;
  position: relative;
}

.map-cta {
  display: flex;
  justify-content: center;
  padding: 0 24px 24px;
  line-height: 1;
}

.map-cta__button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: linear-gradient(135deg, #19b556, #0e8e3e);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  box-shadow: 0 6px 24px rgba(25,181,86,.3);
  transition: transform .2s ease, box-shadow .2s ease;
}

.map-cta__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(25,181,86,.42);
  color: var(--white);
}

.map-cta__button svg { flex-shrink: 0; }

.map-frame {
  width: 100%;
  background: #f0f2f5;
  overflow: hidden;
  position: relative;
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 460px;
  border: 0;
}

/* ── DIRECTIONS (about page) ───────────────────────────────── */
.directions {
  padding: 100px 0;
  background: var(--white);
}

.directions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.directions__grid .catalog-card {
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.directions__grid .catalog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-700), var(--blue-500));
  opacity: 0;
  transition: opacity .25s ease;
}

.directions__grid .catalog-card:hover::before { opacity: 1; }

.directions__grid .catalog-card__body {
  padding: 22px;
}

.directions__grid .catalog-card__title {
  font-size: 16px;
  margin-bottom: 6px;
}

.directions__grid .catalog-card__text {
  font-size: 13px;
  margin-bottom: 0;
}

/* ── GOVT EXPERIENCE ───────────────────────────────────────── */
.govt-experience {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--surface) 0%, var(--blue-50) 100%);
}

.govt-experience__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  max-width: 1080px;
  margin: 0 auto;
}

.govt-experience__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border: 1px solid var(--border);
  transition: var(--transition);
  line-height: 1.4;
}

.govt-experience__item:hover {
  border-color: var(--blue-200);
  background: linear-gradient(135deg, var(--white), var(--blue-50));
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.govt-experience__icon {
  width: 32px;
  min-width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: var(--white);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0,73,168,.25);
}

.govt-experience__item span {
  flex: 1;
  min-width: 0;
}

.govt-experience__note {
  text-align: center;
  max-width: 700px;
  margin: 40px auto 0;
  padding: 20px 28px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  background: rgba(255,255,255,.6);
  border-radius: var(--radius);
  border: 1px dashed var(--blue-200);
}

/* ── GOSZAKUPKI ───────────────────────────────────────────── */
.goszakupki {
  padding: 80px 0;
  background: var(--white);
}

.goszakupki__inner {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  align-items: start;
  max-width: 980px;
  margin: 0 auto;
  padding: 40px;
  background: linear-gradient(135deg, var(--blue-50), rgba(255,255,255,.4));
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.goszakupki__inner::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, var(--gold-500), transparent 70%);
  opacity: .1;
  pointer-events: none;
}

.goszakupki__icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: var(--white);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(0,73,168,.25);
}

.goszakupki__icon svg { width: 40px; height: 40px; }

.goszakupki__title {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  letter-spacing: -.5px;
  color: var(--blue-950);
  margin: 12px 0 16px;
  line-height: 1.2;
}

.goszakupki__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.goszakupki__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

.goszakupki__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.goszakupki__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  background: var(--blue-700);
  color: var(--white);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.goszakupki__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--blue-700);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.goszakupki__link:hover {
  background: var(--blue-600);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,73,168,.3);
  color: var(--white);
}

@media (max-width: 768px) {
  .goszakupki { padding: 56px 0; }
  .goszakupki__inner {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
  }
  .goszakupki__icon { width: 64px; height: 64px; border-radius: 14px; }
  .goszakupki__icon svg { width: 32px; height: 32px; }
  .goszakupki__features { grid-template-columns: 1fr; }
}

/* ── PAGE HEADER (inner pages) ─────────────────────────────── */
.page-header {
  padding: 140px 0 60px;
  background: var(--blue-50);
  text-align: center;
}

.page-header__content {
  max-width: 640px;
  margin: 0 auto;
}

.page-header__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: var(--blue-950);
  line-height: 1.15;
  margin: 16px 0 12px;
}

.page-header__desc {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .catalog__grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio__grid { grid-auto-rows: 260px; gap: 18px; }
}

@media (max-width: 1024px) {
  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-auto-rows: 240px; }
  .about__inner { gap: 48px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .contacts__inner { gap: 48px; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .contacts__inner { grid-template-columns: 1fr; gap: 40px; }
  .directions { padding: 80px 0; }
  .govt-experience { padding: 64px 0; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .nav__menu,
  .nav__actions { display: none; }
  .nav__burger { display: block; }
  .nav__inner { height: 64px; }
  .nav__logo-img { height: 32px; }

  /* When menu is open: nav becomes fully opaque white, no blur seam */
  .nav:has(.nav__menu.active) {
    background: var(--white);
    box-shadow: none;
    border-bottom-color: transparent;
  }

  .nav__menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    bottom: 0;
    background: var(--white);
    padding: 24px 24px 220px;
    gap: 0;
    z-index: 999;
    overflow-y: auto;
    overscroll-behavior: contain;
    animation: navMenuFadeIn .25s ease;
  }

  @keyframes navMenuFadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav__menu.active li {
    border-bottom: 1px solid var(--border);
  }
  .nav__menu.active li:last-child { border-bottom: none; }

  .nav__menu.active .nav__link {
    display: block;
    width: 100%;
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    padding: 20px 4px;
    border-radius: 0;
    background: none;
    letter-spacing: -.2px;
  }

  .nav__menu.active .nav__link:hover { background: none; }

  .nav__menu.active .nav__link.active {
    color: var(--blue-700);
    font-weight: 700;
    background: none;
  }

  /* Bottom action bar inside menu */
  .nav__actions.active {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    bottom: 0;
    left: 0; right: 0;
    padding: 20px 24px max(20px, env(safe-area-inset-bottom));
    background: var(--white);
    border-top: 1px solid var(--border);
    z-index: 999;
    gap: 16px;
    animation: navMenuFadeIn .25s ease;
  }

  .nav__actions.active .nav__cta {
    text-align: center;
    padding: 16px;
    font-size: 15px;
    width: 100%;
    border-radius: var(--radius);
  }

  .nav__actions.active .nav__lang {
    align-self: center;
    margin: 0;
  }

  /* Hero */
  .hero__content { padding: 120px 0 64px; }
  .hero__title {
    font-size: clamp(34px, 9vw, 56px);
    letter-spacing: -1.5px;
    margin-bottom: 18px;
  }
  .hero__subtitle { margin-bottom: 32px; }
  .hero__badge { font-size: 12px; margin-bottom: 18px; }
  .hero__scroll { display: none; }

  /* Section header */
  .section-header { margin-bottom: 48px; }
  .section-header__desc { font-size: 15px; }

  /* Page header */
  .page-header { padding: 100px 0 44px; }
  .page-header__title {
    font-size: clamp(28px, 8vw, 44px);
    letter-spacing: -1px;
  }

  /* Catalog */
  .catalog { padding: 72px 0; }
  .catalog__grid { grid-template-columns: 1fr; gap: 16px; }
  .catalog__filters { gap: 6px; margin-bottom: 32px; }
  .catalog__filter { padding: 9px 18px; font-size: 13px; }
  .catalog-card__body { padding: 20px; }

  /* Portfolio */
  .portfolio { padding: 72px 0; }
  .portfolio__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
    gap: 16px;
  }
  .portfolio-card--wide { grid-column: span 1; }
  .portfolio-card__overlay {
    background: linear-gradient(to top, rgba(10,22,40,.9) 0%, rgba(10,22,40,.4) 60%, rgba(10,22,40,.1) 100%);
    padding: 22px;
  }
  .portfolio-card__btn { opacity: 1; transform: translateY(0); }
  .portfolio-card__title { font-size: 19px; }

  /* Project page */
  .project-hero { min-height: 44vh; }
  .project-hero__content { padding: 0 0 32px; }
  .project-hero__title {
    font-size: clamp(26px, 7vw, 40px);
    letter-spacing: -.5px;
  }
  .project-hero__back { margin-bottom: 18px; }
  .project-details { padding: 56px 0; }
  .project-meta {
    grid-template-columns: repeat(2, 1fr);
    padding: 24px 20px;
    gap: 20px;
    margin-bottom: 40px;
  }
  .project-meta__value { font-size: 18px; }
  .project-body h2 { font-size: 21px; margin: 32px 0 14px; }
  .project-body p, .project-body li { font-size: 15px; line-height: 1.7; }
  .project-body { margin-bottom: 40px; }
  .project-gallery { grid-template-columns: 1fr; gap: 12px; }
  .project-gallery img { height: 240px; }

  /* About */
  .about { padding: 72px 0; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .about__features { grid-template-columns: 1fr; }
  .about__image-badge { padding: 16px 20px; bottom: 16px; right: 16px; }
  .about__image-badge-num { font-size: 28px; }

  /* Stats */
  .stats { padding: 72px 0; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stats__header { margin-bottom: 44px; }
  .stat-card { padding: 28px 16px; }

  /* CTA */
  .cta { padding: 56px 0; }
  .cta__inner { padding: 44px 24px; }
  .cta__title { font-size: clamp(22px, 6vw, 32px); }
  .cta__text { font-size: 15px; margin-bottom: 24px; }

  /* Contacts */
  .contacts { padding: 72px 0; }
  .contacts__inner { grid-template-columns: 1fr; gap: 40px; }
  .contacts__form { padding: 28px 20px; }
  .contacts__form-title { font-size: 19px; margin-bottom: 22px; }
  .contacts__title { margin: 12px 0 28px; }

  /* Map */
  .map-section { padding-top: 56px; }
  .map-frame iframe { height: 360px; }
  .map-section__address { font-size: 14px; }
  .map-cta { padding: 0 16px 18px; }
  .map-cta__button { padding: 14px 22px; font-size: 14px; width: 100%; max-width: 360px; justify-content: center; }

  /* Directions */
  .directions { padding: 64px 0; }
  .directions__grid { grid-template-columns: 1fr; gap: 12px; }
  .directions__grid .catalog-card__body { padding: 18px 20px; }

  /* Govt experience */
  .govt-experience { padding: 56px 0; }
  .govt-experience__grid { grid-template-columns: 1fr; gap: 8px; }
  .govt-experience__item { padding: 12px 14px; font-size: 13px; }
  .govt-experience__icon { width: 24px; height: 24px; font-size: 11px; }

  /* Footer */
  .footer { padding: 56px 0 28px; }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 36px;
  }

  /* Buttons */
  .btn { padding: 13px 24px; font-size: 14px; }
  .btn--lg { padding: 16px 32px; font-size: 15px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  /* Hero */
  .hero__content { padding: 110px 0 56px; }
  .hero__title { font-size: clamp(30px, 10vw, 44px); }
  .hero__buttons { flex-direction: column; gap: 10px; }
  .hero__buttons .btn { width: 100%; }

  /* Section header */
  .section-header { margin-bottom: 40px; }
  .section-header__title { font-size: clamp(24px, 7vw, 32px); letter-spacing: -.8px; }

  /* Page header */
  .page-header { padding: 88px 0 36px; }
  .page-header__title { font-size: clamp(26px, 8vw, 36px); }
  .page-header__desc { font-size: 14px; }

  /* Section padding */
  .catalog, .portfolio, .about, .stats, .contacts { padding: 56px 0; }
  .directions, .govt-experience { padding: 48px 0; }
  .cta { padding: 48px 0; }
  .map-section { padding-top: 48px; }
  .map-frame iframe { height: 300px; }

  /* Project page */
  .project-hero { min-height: 40vh; }
  .project-hero__title { font-size: clamp(22px, 7.5vw, 32px); }
  .project-details { padding: 48px 0; }
  .project-meta {
    grid-template-columns: 1fr 1fr;
    padding: 20px 16px;
    gap: 16px 12px;
  }
  .project-meta__label { font-size: 11px; }
  .project-meta__value { font-size: 16px; }
  .project-gallery img { height: 200px; }

  /* Stats */
  .stats__grid { grid-template-columns: 1fr; gap: 12px; }
  .stat-card { padding: 24px 18px; }

  /* About */
  .about__features { gap: 8px; }

  /* CTA */
  .cta__inner { padding: 36px 20px; border-radius: var(--radius-lg); }
  .cta__title { font-size: clamp(20px, 6.5vw, 28px); }

  /* Contacts */
  .contacts__form { padding: 24px 18px; }
  .contacts__item { padding: 16px; }
  .contacts__item-icon { width: 40px; height: 40px; }
  .contacts__item-value { font-size: 14px; }

  /* Footer */
  .footer { padding: 48px 0 24px; }
  .footer__top { gap: 28px; padding-bottom: 32px; }

  /* Catalog filters: enable horizontal scroll instead of wrap */
  .catalog__filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 6px;
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .catalog__filters::-webkit-scrollbar { display: none; }
  .catalog__filter { flex-shrink: 0; }
}

/* iOS safe area for notches */
@supports (padding: max(0px)) {
  .nav__inner { padding-left: max(0px, env(safe-area-inset-left)); padding-right: max(0px, env(safe-area-inset-right)); }
  .footer__bottom { padding-bottom: max(0px, env(safe-area-inset-bottom)); }
}