:root {
  --bg: #f4f7fb;
  --bg-soft: #eef3f8;
  --bg-accent: #e6eef7;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-strong: #ffffff;
  --panel-soft: rgba(11, 54, 95, 0.04);
  --line: rgba(18, 49, 86, 0.1);
  --line-strong: rgba(195, 136, 34, 0.22);
  --text: #12263f;
  --heading: #0b1c31;
  --muted: #617489;
  --accent: #c88a26;
  --accent-2: #0f5fa8;
  --accent-dark: #9f6810;
  --accent-soft: #dfeaf6;
  --success: #2d9866;
  --danger: #ce5d5d;
  --shadow: 0 20px 50px rgba(22, 52, 91, 0.1);
  --shadow-soft: 0 10px 24px rgba(22, 52, 91, 0.08);
  --radius: 22px;
  --radius-sm: 16px;
  --container: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background:
    radial-gradient(circle at top left, rgba(15, 95, 168, 0.08), transparent 28%),
    radial-gradient(circle at right 15%, rgba(200, 138, 38, 0.08), transparent 20%),
    linear-gradient(180deg, #f7f9fc 0%, #f1f5f9 44%, #edf2f8 100%);
}

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

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--heading);
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.28rem;
  line-height: 1.25;
  margin-bottom: 12px;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(18px);
  background: rgba(248, 251, 255, 0.84);
  border-bottom: 1px solid rgba(18, 49, 86, 0.08);
  box-shadow: 0 8px 24px rgba(24, 58, 101, 0.04);
}

.nav-wrap {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-image {
  padding: 8px 0;
}

.brand-image img {
  height: 54px;
  width: auto;
  display: block;
}

.brand-mark {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  box-shadow: 0 10px 20px rgba(200, 138, 38, 0.22);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: 0.04em;
  color: var(--heading);
}

.brand small,
.eyebrow,
.site-footer p,
.site-footer a,
.hero-content p,
.page-hero p,
.feature-card p,
.advantage-item p,
.product-card p,
.service-card p,
.highlight-card li,
.timeline-item p,
.contact-note span,
.mini-card p,
.resource-card p,
.blog-card p,
.case-card p,
.faq-item p,
.comparison-card p,
.article-card p {
  color: var(--muted);
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
  color: var(--accent-2);
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 95, 168, 0.08);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav a {
  font-size: 0.98rem;
  color: #3f5267;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent-2);
}

.nav-cta,
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.nav-cta:hover,
.btn:hover {
  transform: translateY(-1px);
}

.btn-primary,
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(200, 138, 38, 0.2);
}

.btn-secondary {
  border-color: rgba(18, 49, 86, 0.12);
  background: rgba(255, 255, 255, 0.7);
  color: var(--heading);
}

.text-link {
  color: var(--accent-2);
  font-weight: 700;
}

.hero-slider {
  position: relative;
  min-height: calc(100vh - 86px);
  overflow: hidden;
  background: linear-gradient(180deg, #eef4fa 0%, #f8fbfe 100%);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

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

.slide-bg {
  position: absolute;
  inset: 0;
}

.slide-bg::before,
.slide-bg::after {
  content: "";
  position: absolute;
  inset: 0;
}

.slide-bg::before {
  background:
    linear-gradient(110deg, rgba(250, 252, 255, 0.96) 18%, rgba(247, 250, 254, 0.78) 52%, rgba(242, 247, 252, 0.94) 100%),
    linear-gradient(180deg, rgba(200, 138, 38, 0.04), transparent 40%);
}

.slide-bg::after {
  background-size: cover;
  background-position: center;
  opacity: 0.34;
  filter: saturate(0.9) contrast(1.02);
}

.slide-bg-1::after {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(234, 242, 249, 0.8)),
    url("../img/slide-1.svg");
}

.slide-bg-2::after {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(234, 242, 249, 0.84)),
    url("../img/slide-2.svg");
}

.slide-bg-3::after {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(234, 242, 249, 0.84)),
    url("../img/slide-3.svg");
}

.hero-content,
.page-hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  min-height: calc(100vh - 86px);
  display: grid;
  align-content: center;
  max-width: 820px;
  padding: 104px 0 130px;
  position: relative;
  gap: 0;
}

.hero-content::before {
  content: "";
  position: absolute;
  inset: 42px -8px 58px -22px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.78)),
    rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(18, 49, 86, 0.08);
  box-shadow: 0 28px 60px rgba(20, 54, 93, 0.12);
}

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

.hero-content h1,
.hero-content h2 {
  color: #0b1c31;
  max-width: 14ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.hero-metrics div,
.mini-card {
  padding: 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(18, 49, 86, 0.08);
  box-shadow: var(--shadow-soft);
}

.hero-metrics div {
  backdrop-filter: blur(6px);
}

.hero-metrics strong,
.mini-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--heading);
}

.slider-controls {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 16px;
}

.slider-controls button {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(18, 49, 86, 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: var(--heading);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.slider-dots {
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(18, 49, 86, 0.2);
  cursor: pointer;
}

.slider-dot.active {
  background: var(--accent);
}

.page-hero {
  padding: 124px 0 72px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(247, 250, 254, 0.96), rgba(237, 243, 249, 0.92)),
    url("../img/grid.svg") center/cover no-repeat;
}

.page-hero.compact {
  padding-bottom: 54px;
}

.section {
  padding: 90px 0;
}

.section-tight {
  padding-top: 74px;
}

.section-dark {
  background: linear-gradient(180deg, #f8fbfe 0%, #eef4f9 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-gridline {
  background:
    linear-gradient(180deg, rgba(242, 247, 252, 0.92), rgba(248, 251, 254, 0.98)),
    url("../img/grid.svg") center/cover no-repeat;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

.two-column {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
}

.intro-grid {
  align-items: center;
}

.card-grid,
.advantage-grid,
.service-grid,
.product-grid,
.showcase-grid,
.case-grid,
.faq-list,
.spec-grid,
.product-detail-grid,
.resource-grid,
.blog-grid,
.certificate-grid,
.comparison-grid,
.article-layout {
  display: grid;
  gap: 24px;
}

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

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

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

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

.showcase-grid {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
}

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

.faq-list {
  grid-template-columns: 1fr;
}

.faq-list.compact {
  gap: 18px;
}

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

.product-detail-grid {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
}

.resource-grid,
.blog-grid,
.certificate-grid,
.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-layout {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}

.showcase-panel {
  display: grid;
  gap: 18px;
}

.feature-list,
.product-card ul,
.highlight-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.stats-card,
.feature-card,
.advantage-item,
.product-card,
.service-card,
.case-card,
.faq-item,
.spec-card,
.resource-card,
.blog-card,
.certificate-card,
.comparison-card,
.article-card,
.contact-panel,
.inquiry-form,
.highlight-card,
.thank-you-card,
.auth-card,
.admin-panel,
.timeline-item,
.quote-strip {
  background: var(--panel);
  border: 1px solid rgba(18, 49, 86, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card,
.advantage-item,
.product-card,
.service-card,
.case-card,
.faq-item,
.resource-card,
.blog-card,
.certificate-card,
.comparison-card,
.highlight-card,
.contact-panel,
.inquiry-form,
.stats-card,
.spec-card,
.article-card,
.timeline-item {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.feature-card:hover,
.advantage-item:hover,
.product-card:hover,
.service-card:hover,
.case-card:hover,
.faq-item:hover,
.resource-card:hover,
.blog-card:hover,
.certificate-card:hover,
.comparison-card:hover,
.highlight-card:hover,
.contact-panel:hover,
.inquiry-form:hover,
.stats-card:hover,
.spec-card:hover,
.article-card:hover,
.timeline-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 55px rgba(20, 54, 93, 0.14);
  border-color: rgba(15, 95, 168, 0.14);
}

.stats-card,
.feature-card,
.advantage-item,
.product-card,
.service-card,
.case-card,
.faq-item,
.spec-card,
.resource-card,
.blog-card,
.certificate-card,
.comparison-card,
.article-card,
.contact-panel,
.inquiry-form,
.highlight-card,
.timeline-item {
  padding: 28px;
}

.stats-card {
  display: grid;
  gap: 20px;
}

.stats-card div,
.process-list div {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(18, 49, 86, 0.08);
}

.stats-card div:last-child,
.process-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 18px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-2), #2e7cc3);
  box-shadow: 0 10px 22px rgba(15, 95, 168, 0.18);
}

.product-tag {
  color: var(--accent-2);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-visual {
  height: 220px;
  border-radius: 18px;
  margin-bottom: 22px;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(18, 49, 86, 0.08);
  background-color: var(--bg-soft);
}

.product-detail-visual {
  min-height: 360px;
  border-radius: var(--radius);
  border: 1px solid rgba(18, 49, 86, 0.08);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
  background-color: var(--bg-soft);
}

.certificate-badge {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  margin-bottom: 16px;
  color: #ffffff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.visual-overhead { background-image: url("../img/product-overhead.svg"); }
.visual-double { background-image: url("../img/product-double.svg"); }
.visual-gantry { background-image: url("../img/product-gantry.svg"); }
.visual-hoist { background-image: url("../img/product-hoist.svg"); }
.visual-parts { background-image: url("../img/product-parts.svg"); }

.inquiry-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(150deg, rgba(15, 95, 168, 0.06), rgba(200, 138, 38, 0.06)),
    var(--panel);
  border-color: rgba(200, 138, 38, 0.18);
}

.timeline-grid {
  display: grid;
  gap: 20px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  align-items: start;
}

.timeline-item span,
.mini-card span {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  font-weight: 800;
  color: var(--accent-2);
  background: rgba(15, 95, 168, 0.08);
}

.mini-card span {
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.contact-note {
  margin-top: 24px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(18, 49, 86, 0.08);
  background: rgba(15, 95, 168, 0.04);
}

.inquiry-form {
  display: grid;
  gap: 16px;
}

.form-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(18, 49, 86, 0.12);
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(15, 95, 168, 0.55);
  box-shadow: 0 0 0 4px rgba(15, 95, 168, 0.1);
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.quote-strip {
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border-color: rgba(200, 138, 38, 0.18);
  background:
    linear-gradient(135deg, rgba(15, 95, 168, 0.06), rgba(200, 138, 38, 0.08)),
    var(--panel);
}

.faq-preview {
  display: grid;
  gap: 26px;
}

.thank-you-page,
.admin-shell,
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, #f7f9fc 0%, #edf2f8 100%);
}

.thank-you-card,
.auth-card,
.admin-panel {
  width: min(100%, 760px);
  padding: 34px;
}

.admin-panel {
  width: min(100%, 1260px);
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.admin-meta {
  color: var(--muted);
  margin-bottom: 24px;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(18, 49, 86, 0.08);
  vertical-align: top;
}

.admin-table th {
  font-size: 0.92rem;
  color: var(--accent-2);
}

.status-message,
.error-message {
  padding: 14px 16px;
  border-radius: 14px;
  margin-bottom: 18px;
}

.status-message {
  background: rgba(45, 152, 102, 0.12);
  border: 1px solid rgba(45, 152, 102, 0.18);
  color: #2d7d57;
}

.error-message {
  background: rgba(206, 93, 93, 0.1);
  border: 1px solid rgba(206, 93, 93, 0.16);
  color: #b34e4e;
}

.site-footer {
  border-top: 1px solid rgba(18, 49, 86, 0.08);
  background:
    linear-gradient(180deg, #eef4fa 0%, #e9f0f7 100%);
}

.site-footer h3,
.site-footer h4 {
  color: var(--heading);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 24px;
  padding: 44px 0 28px;
}

.footer-grid a {
  display: block;
  margin-bottom: 10px;
}

.footer-bottom {
  padding: 0 0 22px;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(18, 49, 86, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--heading);
}

@media (max-width: 1100px) {
  .hero-metrics,
  .card-grid,
  .product-grid,
  .service-grid,
  .case-grid,
  .spec-grid,
  .resource-grid,
  .blog-grid,
  .certificate-grid,
  .comparison-grid,
  .footer-grid,
  .contact-grid,
  .two-column,
  .advantage-grid,
  .showcase-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .quote-strip,
  .admin-topbar {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 18px;
    border-radius: 20px;
    border: 1px solid rgba(18, 49, 86, 0.1);
    background: rgba(251, 253, 255, 0.98);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .hero-content {
    min-height: 80vh;
    padding: 118px 0 138px;
  }

  .hero-content::before {
    inset: 34px -2px 52px -2px;
  }

  h1 {
    font-size: clamp(2.4rem, 9vw, 4.4rem);
  }

  h2 {
    font-size: clamp(1.85rem, 7vw, 2.8rem);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 22px, var(--container));
  }

  .section,
  .page-hero {
    padding: 70px 0;
  }

  .page-hero.compact {
    padding-bottom: 50px;
  }

  .form-split {
    grid-template-columns: 1fr;
  }

  .slider-controls {
    bottom: 18px;
    gap: 12px;
  }

  .slider-controls button {
    width: 42px;
    height: 42px;
  }

  .stats-card,
  .feature-card,
  .advantage-item,
  .product-card,
  .service-card,
  .contact-panel,
  .inquiry-form,
  .highlight-card,
  .thank-you-card,
  .auth-card,
  .admin-panel,
  .timeline-item,
  .quote-strip {
    padding: 22px;
  }

  .brand-image img {
    height: 46px;
  }

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