:root {
  --navy-900: #0d1d2c;
  --navy-800: #132a3b;
  --navy-700: #183a4e;
  --navy-600: #25506d;
  --slate-600: #566a7d;
  --slate-500: #7b8fa2;
  --line: rgba(13, 29, 44, 0.1);
  --bg: #edf2f6;
  --panel: #ffffff;
  --panel-alt: #f4f7fb;
  --text: #142739;
  --muted: #53677a;
  --accent: #c79b54;
  --accent-dark: #a97834;
  --success: #2e8b57;
  --shadow: 0 16px 34px rgba(13, 29, 44, 0.09);
  --radius: 18px;
  --container: min(1120px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(237, 242, 246, 0.95)), var(--bg);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 72px 0;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.section-header h2 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.18;
  color: var(--navy-900);
}

.section-header p {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(13, 29, 44, 0.97), rgba(19, 42, 59, 0.95));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(199, 155, 84, 0.2);
}

.site-header.scrolled {
  box-shadow: 0 10px 24px rgba(7, 26, 42, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #f5f8f7;
  color: var(--navy-900);
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(199, 155, 84, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 1.14rem;
  letter-spacing: 0.08em;
}

.brand-text small {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.96rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #fff;
}

.header-cta {
  white-space: nowrap;
}

.mobile-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 26, 42, 0.96);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 18px 0 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav a {
  color: #fff;
  font-weight: 600;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, #d8b06c, var(--accent));
  color: var(--navy-900);
  box-shadow: 0 14px 26px rgba(199, 155, 84, 0.25);
  border: 1px solid rgba(13, 29, 44, 0.06);
}

.btn-secondary {
  background: #fff;
  border-color: rgba(17, 41, 62, 0.16);
  color: var(--navy-900);
}

.btn-secondary-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: white;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy-900);
  font-weight: 700;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

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

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

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.card::before,
.feature-card::before,
.solution-card::before,
.info-card::before,
.step-card::before,
.contact-card::before,
.metric-card::before,
.detail-card::before,
.sector-card::before,
.quality-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent 80%);
}

.feature-card,
.solution-card,
.info-card,
.step-card,
.metric-card,
.contact-card,
.quote-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.feature-card,
.step-card,
.info-card,
.contact-card,
.metric-card {
  padding: 28px 24px;
}

.solution-card {
  overflow: hidden;
}

.card-icon {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(242, 143, 45, 0.1);
  color: var(--accent-dark);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.card-title {
  margin: 0 0 12px;
  color: var(--navy-900);
  font-size: 1.45rem;
}

.card-copy {
  margin: 0;
  color: var(--muted);
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 800;
}

.callout {
  background: linear-gradient(180deg, var(--navy-900), var(--navy-800));
  color: white;
  border-radius: 26px;
  padding: 36px;
  box-shadow: var(--shadow);
}

.callout h3,
.callout h2 {
  color: #fff;
}

.callout p {
  color: rgba(255, 255, 255, 0.78);
}

.inline-panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 18px 20px;
}

.cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 22px 24px;
  text-align: left;
  color: var(--navy-900);
  font-size: 1.08rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
}

.faq-item.open .faq-answer {
  max-height: 220px;
}

.faq-question .toggle-sign {
  font-size: 1.5rem;
  color: var(--accent-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
}

.contact-card strong,
.contact-card a {
  color: var(--navy-900);
}

.contact-card .detail-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.detail-label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 28px;
}

.footer-title {
  color: #fff;
  margin: 0 0 14px;
  font-size: 1.25rem;
}

.footer-nav {
  display: grid;
  gap: 10px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.74);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 36px;
  padding: 20px 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.bottom-cta {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 1100;
  display: none;
}

.bottom-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #ffb759);
  color: var(--navy-900);
  font-weight: 800;
  box-shadow: 0 18px 28px rgba(242, 143, 45, 0.3);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

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

@media (max-width: 900px) {
  .main-nav,
  .header-cta {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .footer-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 74px 0;
  }

  .cta-block {
    align-items: flex-start;
  }

  .bottom-cta {
    display: block;
  }
}

@media (max-width: 640px) {
  .brand-text strong {
    font-size: 1rem;
  }

  .brand-text small {
    letter-spacing: 0.08em;
  }

  .header-inner {
    min-height: 72px;
  }

  .section-header h2 {
    font-size: 2.1rem;
  }

  .callout {
    padding: 26px 20px;
  }
}