:root {
  --bg: #ffffff;
  --surface: #f7f8fb;
  --surface-strong: #ffffff;
  --text: #17212b;
  --muted: #637082;
  --border: rgba(23, 33, 43, 0.08);
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.10);
  --shadow-soft: 0 10px 26px rgba(15, 23, 42, 0.07);
  --accent: #f47c20;
  --accent-dark: #dd6510;
  --accent-soft: rgba(244, 124, 32, 0.12);
  --dark: #12171d;
  --radius: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --container: 1180px;
  --transition: 0.32s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

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

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: 108px 0;
}

.section-soft {
  background: var(--surface);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-heading-left {
  text-align: left;
  margin: 0;
}

.section-heading h2,
.about-copy h2,
.contact-copy h2,
.faq-copy h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.section-heading p,
.about-copy p,
.contact-copy p,
.faq-copy p,
.site-footer p,
.footer-bottom p {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.98rem 1.45rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(244, 124, 32, 0.25);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(244, 124, 32, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  color: var(--accent-dark);
  border-color: rgba(244, 124, 32, 0.25);
}

.btn-large {
  padding: 1.04rem 1.55rem;
}

.btn-full {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-soft);
}

.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
}

.logo span {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.nav-menu a {
  position: relative;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--accent-dark);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
  transform: scaleX(1);
}

.nav-right,
.nav-mobile-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.22rem;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.lang-btn {
  padding: 0.55rem 0.82rem;
  border-radius: 999px;
  font-weight: 800;
  color: var(--muted);
  transition: background var(--transition), color var(--transition);
}

.lang-btn.active {
  background: var(--accent);
  color: #ffffff;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0.72rem;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.nav-toggle span + span {
  margin-top: 0.35rem;
}

.nav-mobile-actions {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 60px;
  background: linear-gradient(180deg, #fffdfb 0%, #ffffff 100%);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at left top, rgba(244, 124, 32, 0.10), transparent 25%),
    radial-gradient(circle at right 10%, rgba(244, 124, 32, 0.08), transparent 18%),
    linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.75));
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 1.8rem;
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
  margin-bottom: 1.4rem;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 0.98rem;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  color: var(--text);
  font-weight: 700;
}

.mini-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 7px rgba(244, 124, 32, 0.14);
}

.hero-card {
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: 34px;
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 620px;
}

.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 36%;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.34));
  pointer-events: none;
}

.hero-image {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
}

.hero-floating-card {
  position: absolute;
  z-index: 1;
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  min-width: 180px;
  border-radius: 20px;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(255,255,255,0.7);
  box-shadow: var(--shadow-soft);
}

.hero-floating-card strong {
  font-size: 1.5rem;
  color: var(--accent-dark);
}

.hero-floating-card span {
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-floating-card-top {
  top: 1.25rem;
  left: 1.25rem;
}

.hero-floating-card-bottom {
  right: 1.25rem;
  bottom: 1.25rem;
}

.trust-strip {
  position: relative;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.trust-item,
.feature-card,
.service-card,
.timeline-card,
.benefit-card,
.review-card,
.contact-card,
.contact-panel,
.about-media,
.project-modal-content {
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.trust-item {
  border-radius: 22px;
  padding: 1.15rem;
}

.trust-item strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 0.18rem;
}

.trust-item span {
  color: var(--muted);
}

.about-grid,
.benefits-grid,
.contact-grid,
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.about-media {
  border-radius: 30px;
  overflow: hidden;
}

.about-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
}

.about-facts > div {
  padding: 1rem;
  background: #ffffff;
}

.about-facts strong {
  display: block;
  font-size: 1.5rem;
  color: var(--accent-dark);
}

.about-facts span {
  color: var(--muted);
  font-size: 0.95rem;
}

.feature-grid,
.services-grid,
.benefits-list,
.reviews-grid,
.contact-cards {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.8rem;
}

.feature-card {
  padding: 1.2rem;
  border-radius: 22px;
}

.feature-card h3,
.service-card h3,
.timeline-card h3,
.benefit-card h3,
.contact-card strong {
  margin: 0 0 0.45rem;
}

.feature-card p,
.service-card p,
.timeline-card p,
.benefit-card p,
.review-card p,
.contact-card span {
  margin: 0;
  color: var(--muted);
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
  padding: 1.6rem;
  border-radius: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover,
.timeline-card:hover,
.benefit-card:hover,
.review-card:hover,
.project-card:hover,
.feature-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
  border-color: rgba(244, 124, 32, 0.22);
}

.service-icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  margin-bottom: 1rem;
  background: var(--accent-soft);
  color: var(--accent);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 1.85;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-card {
  padding: 1.5rem;
  border-radius: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.timeline-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  margin-bottom: 1rem;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 900;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  min-height: 360px;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 20, 28, 0.04), rgba(14, 20, 28, 0.6));
  transition: opacity var(--transition), transform var(--transition);
}

.project-card:hover::after {
  transform: scale(1.02);
}

.project-card img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  padding: 1.4rem;
  color: #ffffff;
}

.project-label {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(5px);
  font-size: 0.86rem;
  font-weight: 800;
}

.project-overlay h3 {
  margin: 0.55rem 0 0.35rem;
  font-size: 1.28rem;
}

.project-overlay p {
  margin: 0;
  color: rgba(255,255,255,0.88);
}

.benefits-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.benefit-card,
.review-card {
  padding: 1.5rem;
  border-radius: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.reviews-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-stars {
  font-size: 1.12rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.review-card h3 {
  margin: 0 0 0.18rem;
}

.review-card span {
  color: var(--accent-dark);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  border: 1px solid var(--border);
  background: #ffffff;
  border-radius: 22px;
  padding: 0.2rem 1.2rem;
  box-shadow: var(--shadow-soft);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 800;
  padding: 1rem 0;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--accent);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.contact-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.8rem;
}

.contact-card {
  padding: 1.2rem;
  border-radius: 22px;
}

.contact-panel {
  padding: 1.5rem;
  border-radius: 28px;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-group label {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-weight: 800;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  padding: 0.96rem 1rem;
  border-radius: 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(244, 124, 32, 0.36);
  box-shadow: 0 0 0 4px rgba(244, 124, 32, 0.12);
}

.form-status {
  min-height: 1.5rem;
  font-size: 0.94rem;
  font-weight: 700;
}

.form-status.error {
  color: #bf3131;
}

.form-status.success {
  color: #1f7d54;
}

.input-error {
  border-color: rgba(191, 49, 49, 0.45) !important;
  box-shadow: 0 0 0 4px rgba(191, 49, 49, 0.08) !important;
}

.site-footer {
  background: var(--dark);
  color: #f8fafc;
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.9fr 0.7fr;
  gap: 1.8rem;
  padding-bottom: 2rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li + li {
  margin-top: 0.6rem;
}

.footer-links li,
.footer-links a,
.site-footer p {
  color: rgba(248, 250, 252, 0.74);
}

.footer-links a:hover {
  color: #ffffff;
}

.socials {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.socials a {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.09);
  color: #ffffff;
  font-weight: 900;
  transition: background var(--transition), transform var(--transition);
}

.socials a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  padding: 1.2rem 1rem 1.5rem;
}

.floating-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1050;
  padding: 0.95rem 1.15rem;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(244, 124, 32, 0.35);
  transition: transform var(--transition), background var(--transition);
}

.floating-cta:hover {
  transform: translateY(-3px);
  background: var(--accent-dark);
}

.project-modal {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.project-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 20, 0.72);
  backdrop-filter: blur(8px);
}

.project-modal-content {
  position: relative;
  z-index: 1;
  width: min(92vw, 980px);
  overflow: hidden;
  border-radius: 28px;
}

.project-modal-content img {
  width: 100%;
  max-height: 66vh;
  object-fit: cover;
}

.project-modal-copy {
  padding: 1.35rem 1.4rem 1.6rem;
}

.project-modal-copy h3 {
  margin: 0.65rem 0 0.45rem;
  font-size: 1.45rem;
}

.project-modal-copy p {
  margin: 0;
  color: var(--muted);
}

.project-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--text);
  font-size: 1.6rem;
  line-height: 1;
  box-shadow: var(--shadow-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1120px) {
  .hero-grid,
  .about-grid,
  .benefits-grid,
  .contact-grid,
  .faq-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .projects-grid,
  .reviews-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-strip,
  .benefits-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-wrap {
    position: relative;
    justify-content: center;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    position: absolute;
    right: 0;
  }

  .nav-right {
    display: none;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.7rem);
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 1rem;
    padding: 1.15rem;
    border-radius: 24px;
    background: rgba(255,255,255,0.98);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .nav-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-mobile-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding-top: 0.3rem;
    border-top: 1px solid var(--border);
  }

  .hero {
    padding-top: 90px;
  }

  .hero-image-wrap,
  .hero-image {
    min-height: 460px;
  }

  .feature-grid,
  .services-grid,
  .projects-grid,
  .reviews-grid,
  .timeline,
  .contact-cards,
  .form-row,
  .about-facts,
  .trust-strip,
  .benefits-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 82px 0;
  }

  .nav-wrap {
    min-height: 76px;
  }

  .hero-copy h1 {
    font-size: clamp(2.3rem, 11vw, 3.6rem);
  }

  .hero-image-wrap,
  .hero-image {
    min-height: 400px;
  }

  .hero-floating-card {
    min-width: auto;
    padding: 0.85rem 0.95rem;
  }

  .hero-floating-card strong {
    font-size: 1.2rem;
  }

  .project-card {
    min-height: 320px;
  }

  .project-card img {
    min-height: 320px;
  }

  .project-modal-content {
    width: min(94vw, 980px);
  }

  .floating-cta {
    left: 1rem;
    right: 1rem;
    text-align: center;
  }
}