@font-face {
  font-family: "Noto Sans";
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/noto-sans-latin-400.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans";
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/noto-sans-latin-600.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans";
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/noto-sans-latin-700.woff2") format("woff2");
}

:root {
  --ks-primary: #54bcec;
  --ks-secondary: #7fd0f3;
  --ks-night: #0f2a3a;
  --ks-on-dark: #9fb3c0;
  --ks-surface: #ffffff;
  --ks-soft: #eaf6fc;
  --ks-text: #0f2a3a;
  --ks-muted: #5b6f7c;
  --ks-link: #0b6fa0;
  --ks-link-hover: #084f73;
  --ks-hero-from: #ffffff;
  --ks-hero-to: #d4eefa;
  --ks-shadow: rgba(15, 42, 58, 0.12);
  --ks-border: #d4e3ec;
  --bs-body-font-family: "Noto Sans", Tahoma, Verdana, sans-serif;
  --bs-body-color: var(--ks-text);
  --bs-body-bg: var(--ks-surface);
  --bs-link-color-rgb: 11, 111, 160;
  --bs-link-hover-color-rgb: 8, 79, 115;
  --bs-border-color: var(--ks-border);
  color-scheme: light;
}

[data-bs-theme="dark"] {
  --ks-surface: #0b1a24;
  --ks-soft: #0f2432;
  --ks-text: #e6eef3;
  --ks-muted: #9fb3c0;
  --ks-link: #7fd0f3;
  --ks-link-hover: #abe3f7;
  --ks-hero-from: #0b1a24;
  --ks-hero-to: #123a4f;
  --ks-shadow: rgba(0, 0, 0, 0.45);
  --ks-border: #24404f;
  --bs-card-bg: #12303f;
  --bs-link-color-rgb: 127, 208, 243;
  --bs-link-hover-color-rgb: 171, 227, 247;
  --bs-body-color: var(--ks-text);
  --bs-body-bg: var(--ks-surface);
  color-scheme: dark;
}

.logo-dark {
  display: none;
}

[data-bs-theme="dark"] .logo-light {
  display: none;
}

[data-bs-theme="dark"] .logo-dark {
  display: inline;
}

.navbar-brand img {
  height: 64px;
  width: auto;
}

.navbar .nav-link {
  font-weight: 600;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
  color: var(--ks-link);
}

.theme-toggle {
  border: 1px solid var(--ks-border);
  background: transparent;
  color: var(--ks-text);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  border-color: var(--ks-primary);
}

.btn-ks {
  --bs-btn-color: #0f2a3a;
  --bs-btn-bg: var(--ks-primary);
  --bs-btn-border-color: var(--ks-primary);
  --bs-btn-hover-color: #0f2a3a;
  --bs-btn-hover-bg: var(--ks-secondary);
  --bs-btn-hover-border-color: var(--ks-secondary);
  --bs-btn-active-color: #0f2a3a;
  --bs-btn-active-bg: #abe3f7;
  --bs-btn-active-border-color: #abe3f7;
  font-weight: 600;
}

.hero {
  background: linear-gradient(160deg, var(--ks-hero-from) 0%, var(--ks-hero-to) 100%);
  padding: 5rem 0 8rem;
  clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--ks-link);
}

.hero .lead {
  max-width: 38rem;
}

.facts {
  margin-top: -3rem;
  position: relative;
}

.fact {
  background: var(--ks-surface);
  border: 1px solid var(--ks-border);
  border-radius: 0.75rem;
  box-shadow: 0 0.5rem 1.5rem var(--ks-shadow);
  padding: 1.25rem 1.5rem;
  height: 100%;
}

.fact strong {
  display: block;
  font-size: 1.75rem;
  color: var(--ks-link);
}

.section {
  padding: 4.5rem 0;
}

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

.section-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 3rem;
  height: 0.3rem;
  background: var(--ks-primary);
  margin-top: 0.75rem;
  border-radius: 0.2rem;
}

.text-muted-ks {
  color: var(--ks-muted);
}

.card-ks {
  border: 1px solid var(--ks-border);
  border-top: 0.3rem solid var(--ks-primary);
  border-radius: 0.5rem;
  box-shadow: 0 0.25rem 1rem var(--ks-shadow);
  height: 100%;
}

.num {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ks-link);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-card .card-body {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem;
}

.service-icon {
  flex: 0 0 4.5rem;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 1rem;
  background: var(--ks-soft);
  border: 1px solid var(--ks-border);
  color: var(--ks-link);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--ks-border);
}

.project-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

@media (min-width: 576px) {
  .project-row:nth-child(even) {
    flex-direction: row-reverse;
  }
}

.project-text {
  max-width: 40rem;
}

.project-mark {
  flex: 0 0 18rem;
  height: 9rem;
  border-radius: 0.75rem;
  background: var(--ks-surface);
  border: 1px solid var(--ks-border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ks-link);
}

.project-mark img {
  max-width: 100%;
  max-height: 100%;
}

.project-mark.mark-photo {
  position: relative;
  padding: 0;
  overflow: hidden;
}

.project-mark.mark-photo img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: 50% 33%;
}

[data-bs-theme="dark"] .project-mark:has(img) {
  background: #ffffff;
}

[data-bs-theme="dark"] .project-mark.mark-adaptive {
  background: transparent;
}

.about-photo {
  position: relative;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--ks-border);
}

.about-photo img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 992px) {
  .about-photo {
    margin-right: 0;
  }
}

.photo-credit {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 1px 6px;
  font-size: 0.65rem;
  line-height: 1.4;
  color: #44525c;
  background: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.photo-credit:hover {
  text-decoration: underline;
  color: #0b6fa0;
}

.partner-logo {
  max-width: 18rem;
  width: 100%;
  height: auto;
}

[data-bs-theme="dark"] .partner-logo-wrap {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.25rem;
  display: inline-block;
}

.page-head {
  background: linear-gradient(160deg, var(--ks-hero-from) 0%, var(--ks-hero-to) 100%);
  padding: 3.5rem 0 3rem;
}

.contact-main dt,
.billing dt {
  color: var(--ks-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  flex: 0 0 3.25rem;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: var(--ks-soft);
  border: 1px solid var(--ks-border);
  color: var(--ks-link);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.contact-main dd {
  margin-bottom: 0;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.35;
}

.billing {
  background: var(--ks-soft);
  border: 1px solid var(--ks-border);
  border-radius: 0.5rem;
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
}

.billing h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.billing dd {
  margin-bottom: 0.75rem;
}

.map-box {
  display: block;
  max-width: 32rem;
  border: 1px solid var(--ks-border);
  border-radius: 0.5rem;
  overflow: hidden;
  background: var(--ks-soft);
}

.map-box img {
  display: block;
  width: 100%;
  height: auto;
}

.site-footer {
  background: var(--ks-night);
  color: var(--ks-on-dark);
  padding: 3rem 0 2rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: #abe3f7;
}

.site-footer img {
  height: 44px;
  width: auto;
}

.site-footer .legal {
  border-top: 1px solid rgba(159, 179, 192, 0.3);
  margin-top: 2rem;
  padding-top: 1.25rem;
}

[data-bs-theme="dark"] .site-footer {
  background: #07121a;
}

a:focus-visible,
.btn:focus-visible,
.theme-toggle:focus-visible {
  outline: 3px solid var(--ks-link);
  outline-offset: 2px;
}

.site-footer a:focus-visible {
  outline-color: #abe3f7;
}

@media (max-width: 575.98px) {
  .hero {
    padding: 3rem 0 6rem;
  }
  .section {
    padding: 3rem 0;
  }
  .contact-main dd {
    font-size: 1.25rem;
  }
  .service-card .card-body {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .project-row {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .project-mark {
    flex-basis: auto;
    width: 100%;
    height: 7.5rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}