:root {
  --bg: #eef3f9;
  --surface: #ffffff;
  --surface-2: #f5f8fd;
  --text: #0c1b32;
  --muted: #4a5d78;
  --line: #d6dfec;
  --brand: #124ea1;
  --brand-strong: #0b3f87;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

.hero {
  background:
    radial-gradient(circle at 85% 15%, rgba(82, 146, 235, 0.35), transparent 35%),
    linear-gradient(160deg, #092347 0%, #12427f 58%, #0d356a 100%);
  color: #f8fbff;
  padding: 3rem 0 2.5rem;
  padding-top: max(3rem, env(safe-area-inset-top));
  border-bottom: 1px solid #1f4379;
}

.hero-inner {
  display: flex;
  justify-content: center;
}

.hero-main {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  background: rgba(7, 27, 56, 0.55);
  border: 1px solid rgba(128, 168, 225, 0.45);
  border-radius: 20px;
  padding: 1.5rem 1.5rem 1.35rem;
  text-align: center;
}

.brand-logo {
  display: block;
  width: min(320px, 75vw);
  height: auto;
  margin: 0 auto 0.95rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: #c4daf8;
}

h1 {
  margin: 0;
  font-size: clamp(1.45rem, 5.5vw + 0.5rem, 3rem);
  line-height: 1.15;
  text-wrap: balance;
}

.lead {
  max-width: 640px;
  margin: 0.85rem auto 0;
  color: #d9e8ff;
  text-wrap: pretty;
}

main {
  padding: 1.6rem 0 3rem;
}

.info-section {
  margin-bottom: 1.15rem;
}

.split-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.info-tab {
  display: inline-block;
  background: #16355f;
  color: #edf4ff;
  border: 1px solid #2f5c97;
  border-radius: 999px;
  font-size: 0.86rem;
  padding: 0.4rem 0.85rem;
  margin-bottom: 0.65rem;
}

.info-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.15rem 1.15rem 1.05rem;
}

.info-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.info-card p {
  margin: 0 0 0.8rem;
  color: var(--muted);
}

.about-copy {
  font-size: 1.02rem;
  line-height: 1.65;
}

.info-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.team-block {
  border-top: 1px solid #c9d6ea;
  padding-top: 0.8rem;
}

.team-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.team-block p {
  margin: 0.1rem 0;
}

.service-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.35rem;
}

.contact-section {
  margin-bottom: 1rem;
}

.contact-line {
  font-size: 1.4rem;
  line-height: 1.2;
  margin: 0.25rem 0;
  color: var(--text);
}

.contact-link {
  color: inherit;
  text-decoration: none;
  word-break: break-word;
}

.contact-link:hover {
  text-decoration: underline;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1.05rem 1rem;
}

.value-card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
}

.value-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.gallery-section {
  margin-top: 0.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}

.gallery-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.gallery-header p {
  margin: 0.4rem 0 1rem;
  color: var(--muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.95rem;
}

.filter-btn {
  border: 1px solid var(--line);
  background: #f6f9fe;
  color: #16375f;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.88rem;
  cursor: pointer;
}

.filter-btn.active {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.gallery-grid {
  display: grid;
  gap: 1rem;
}

.project-section {
  background: #f7faff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.section-title {
  margin: 0;
  font-size: 1rem;
  color: var(--brand-strong);
}

.section-count {
  background: #e8f1ff;
  border: 1px solid #c8daf4;
  color: #1a4a86;
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
  font-size: 0.78rem;
  white-space: nowrap;
}

.project-group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 245px), 1fr));
  gap: 0.85rem;
}

.card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.card-body {
  padding: 0.72rem 0.78rem 0.82rem;
}

.card-category {
  margin: 0;
  color: var(--brand-strong);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-description {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  margin-top: 1rem;
}

.footer-inner {
  padding: 0.9rem 0;
  padding-bottom: max(0.9rem, env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  font-weight: 600;
}

.footer-note {
  color: var(--muted);
  font-weight: 400;
}

@media (max-width: 900px) {
  .hero-main {
    padding: 1.15rem 1rem 1.05rem;
  }

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

  .gallery-section {
    padding: 0.85rem;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 1.75rem 0 1.75rem;
    padding-top: max(1.75rem, env(safe-area-inset-top));
  }

  .hero-main {
    border-radius: 14px;
    padding: 1.1rem 0.85rem 1rem;
  }

  .brand-logo {
    width: min(280px, 88vw);
  }

  main {
    padding: 1.1rem 0 2.25rem;
  }

  .info-card {
    padding: 1rem 0.9rem;
  }

  .about-copy {
    font-size: 0.98rem;
    line-height: 1.6;
  }

  .contact-line {
    font-size: clamp(1.05rem, 4.5vw, 1.35rem);
  }

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

  .gallery-header h2 {
    font-size: 1.3rem;
  }

  .gallery-header p {
    font-size: 0.92rem;
  }

  .project-group-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .project-section {
    padding: 0.75rem;
  }

  .card img {
    aspect-ratio: 3 / 4;
  }

  .card-description {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    padding-bottom: 0.35rem;
    margin-left: -0.15rem;
    margin-right: -0.15rem;
    padding-left: 0.15rem;
    padding-right: 0.15rem;
    scrollbar-width: thin;
    gap: 0.5rem;
  }

  .filters::-webkit-scrollbar {
    height: 6px;
  }

  .filters::-webkit-scrollbar-thumb {
    background: #c5d4ea;
    border-radius: 999px;
  }

  .filter-btn {
    flex: 0 0 auto;
    scroll-snap-align: start;
    min-height: 44px;
    padding: 0.55rem 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}