:root {
  --kk-blue-light: #4ec8f0;
  --kk-blue: #0094d9;
  --kk-blue-dark: #0b3d7a;
  --kk-red: #c41e3a;
  --kk-red-dark: #9a1830;
  --kk-black: #1a1a1a;
  --kk-gray: #5c6670;
  --kk-gray-light: #eef3f7;
  --kk-white: #ffffff;
  --kk-shadow: 0 18px 40px rgba(11, 61, 122, 0.12);
  --kk-font-serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --kk-font-sans: "Source Sans 3", "Segoe UI", sans-serif;
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body.khilung-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--kk-font-sans);
  color: var(--kk-black);
  background: var(--kk-white);
}

a {
  color: var(--kk-blue-dark);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--kk-white);
  box-shadow: 0 2px 16px rgba(11, 61, 122, 0.08);
}

.site-header__accent {
  height: 4px;
  background: linear-gradient(90deg, var(--kk-blue-light), var(--kk-blue), var(--kk-blue-dark));
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  flex-wrap: wrap;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-brand__logo {
  height: 64px;
  width: auto;
  display: block;
}

.site-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(11, 61, 122, 0.15);
  border-radius: 10px;
  background: var(--kk-white);
  cursor: pointer;
}

.site-nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--kk-blue-dark);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.2rem;
}

.site-nav__link {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--kk-blue-dark);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link:focus,
.site-nav__link.is-active {
  background: var(--kk-gray-light);
  color: var(--kk-red);
}

/* Main */
.site-main {
  flex: 1 0 auto;
}

/* Footer */
.site-footer {
  flex-shrink: 0;
  background: var(--kk-blue-dark);
  color: rgba(255, 255, 255, 0.92);
}

.site-footer__accent {
  height: 3px;
  background: var(--kk-red);
  position: relative;
  overflow: hidden;
}

.site-footer__pulse {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 42%,
    rgba(255, 255, 255, 0.35) 42%,
    rgba(255, 255, 255, 0.35) 44%,
    transparent 44%,
    transparent 48%,
    rgba(255, 255, 255, 0.35) 48%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 50%,
    transparent 54%,
    rgba(255, 255, 255, 0.35) 54%,
    rgba(255, 255, 255, 0.35) 58%,
    transparent 58%
  );
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(280px, 1.4fr) minmax(180px, auto);
  align-items: start;
  gap: 2rem;
  padding: 1.75rem 1.25rem;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.site-footer__logo {
  height: 52px;
  width: auto;
  border-radius: 6px;
  background: var(--kk-white);
  padding: 0.25rem;
}

.site-footer__name {
  margin: 0;
  font-family: var(--kk-font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--kk-white);
}

.site-footer__tagline {
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.25rem;
}

.site-footer__nav-link {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-footer__nav-link:hover,
.site-footer__nav-link:focus,
.site-footer__nav-link.is-active {
  color: var(--kk-blue-light);
  text-decoration: underline;
}

.site-footer__meta {
  text-align: right;
  font-size: 0.9rem;
  align-self: end;
}

.site-footer__meta p {
  margin: 0;
}

/* Home hero */
.home-hero {
  position: relative;
  overflow: hidden;
  padding: 2.5rem 0 3.5rem;
  background:
    radial-gradient(circle at 85% 15%, rgba(78, 200, 240, 0.18), transparent 35%),
    radial-gradient(circle at 10% 80%, rgba(196, 30, 58, 0.08), transparent 30%),
    linear-gradient(180deg, #f8fbfd 0%, var(--kk-white) 100%);
}

.home-hero__backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.home-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
}

.home-hero__glow--blue {
  width: 280px;
  height: 280px;
  top: 10%;
  right: 8%;
  background: var(--kk-blue-light);
}

.home-hero__glow--red {
  width: 220px;
  height: 220px;
  bottom: 12%;
  left: 6%;
  background: var(--kk-red);
  opacity: 0.15;
}

.home-hero__monogram {
  position: absolute;
  font-family: var(--kk-font-serif);
  font-weight: 700;
  line-height: 0.85;
  color: rgba(78, 200, 240, 0.12);
  user-select: none;
}

.home-hero__monogram--k {
  top: 4%;
  left: -3%;
  font-size: clamp(10rem, 24vw, 18rem);
}

.home-hero__monogram--l {
  bottom: -8%;
  right: -3%;
  font-size: clamp(8rem, 20vw, 14rem);
}

.home-hero__content {
  position: relative;
  z-index: 1;
}

.home-hero__top {
  margin-bottom: 2.5rem;
}

.home-hero__brand {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: 980px;
  margin: 0 auto;
}

.home-hero__logo {
  width: clamp(140px, 18vw, 200px);
  height: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 12px 24px rgba(11, 61, 122, 0.12));
}

.home-hero__intro {
  text-align: left;
}

.home-hero__eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kk-blue);
}

.home-hero__title {
  margin: 0;
  font-family: var(--kk-font-serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--kk-red);
  line-height: 1.08;
}

body.khilung-body.home-portal {
  color: var(--kk-blue-dark);
}

.portal-header {
  padding: 1.25rem 0;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(13, 45, 84, 0.08);
}

.portal-header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.portal-header__brand {
  display: inline-flex;
  align-items: center;
}

.portal-header__logo {
  height: 56px;
  width: auto;
}

.portal-main {
  min-height: calc(100vh - 160px);
}

.portal-footer {
  padding: 1.5rem 0 2rem;
  text-align: center;
  color: var(--kk-muted);
  font-size: 0.875rem;
}

.portal-footer__inner p {
  margin: 0;
}

.home-hero__subtitle {
  margin: 0.65rem 0 0;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 600;
  color: var(--kk-blue-dark);
}

.home-hero__divider {
  display: flex;
  align-items: center;
  margin: 1.25rem 0;
  width: min(280px, 70%);
  height: 3px;
  background: var(--kk-red);
  position: relative;
}

.home-hero__pulse {
  position: absolute;
  left: 100%;
  top: 50%;
  width: 100px;
  height: 24px;
  transform: translateY(-50%);
  background: linear-gradient(
    90deg,
    var(--kk-red) 0%,
    var(--kk-red) 8%,
    transparent 8%,
    transparent 14%,
    var(--kk-red) 14%,
    var(--kk-red) 18%,
    transparent 18%,
    transparent 24%,
    var(--kk-red) 24%,
    var(--kk-red) 28%,
    transparent 28%
  );
  mask-image: linear-gradient(90deg, black, transparent);
}

.home-hero__lead {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--kk-gray);
  max-width: 52ch;
}

.home-portals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 980px;
  margin: 0 auto;
}

.portal-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-decoration: none;
  color: inherit;
  background: var(--kk-white);
  border: 1px solid rgba(11, 61, 122, 0.1);
  border-radius: 20px;
  padding: 1rem;
  box-shadow: var(--kk-shadow);
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.portal-card:hover,
.portal-card:focus {
  transform: translateY(-8px);
  box-shadow: 0 28px 56px rgba(11, 61, 122, 0.16);
  color: inherit;
}

.portal-card__badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 2;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
}

.portal-card--corporate .portal-card__badge {
  color: var(--kk-blue-dark);
}

.portal-card--shop .portal-card__badge {
  color: var(--kk-red);
}

.portal-card__media {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 14px;
  background: var(--kk-gray-light);
}

.portal-card__image {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.portal-card:hover .portal-card__image,
.portal-card:focus .portal-card__image {
  transform: scale(1.04);
}

.portal-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.15rem 0.35rem 0.5rem;
}

.portal-card__label {
  font-family: var(--kk-font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
}

.portal-card__hint {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--kk-gray);
  margin: 0;
}

.portal-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding: 0.5rem 0.35rem 0.25rem;
  border-top: 1px solid rgba(11, 61, 122, 0.08);
}

.portal-card__action {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--kk-blue-dark);
}

.portal-card--shop .portal-card__action {
  color: var(--kk-red);
}

.portal-card__arrow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--kk-white);
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.portal-card__arrow-btn svg {
  width: 22px;
  height: 22px;
}

.portal-card--corporate {
  border-top: 4px solid var(--kk-blue-dark);
}

.portal-card--corporate .portal-card__label {
  color: var(--kk-blue-dark);
}

.portal-card--corporate .portal-card__arrow-btn {
  background: var(--kk-blue-dark);
}

.portal-card--corporate:hover .portal-card__arrow-btn,
.portal-card--corporate:focus .portal-card__arrow-btn {
  background: var(--kk-blue);
  transform: translateX(4px);
}

.portal-card--shop {
  border-top: 4px solid var(--kk-red);
}

.portal-card--shop .portal-card__label {
  color: var(--kk-red);
}

.portal-card--shop .portal-card__arrow-btn {
  background: var(--kk-red);
}

.portal-card--shop:hover .portal-card__arrow-btn,
.portal-card--shop:focus .portal-card__arrow-btn {
  background: var(--kk-red-dark);
  transform: translateX(4px);
}

/* Home stats */
.home-stats {
  padding: 0 0 3.5rem;
  margin-top: -1rem;
}

.home-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  max-width: 980px;
  margin: 0 auto;
  padding: 1.5rem;
  background: var(--kk-white);
  border-radius: 20px;
  border: 1px solid rgba(11, 61, 122, 0.08);
  box-shadow: 0 20px 44px rgba(11, 61, 122, 0.1);
}

.home-stat {
  text-align: center;
  padding: 0.5rem 0.75rem;
  border-right: 1px solid rgba(11, 61, 122, 0.08);
}

.home-stat:last-child {
  border-right: none;
}

.home-stat__value {
  display: block;
  font-family: var(--kk-font-serif);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--kk-red);
  line-height: 1;
}

.home-stat__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.86rem;
  color: var(--kk-gray);
  line-height: 1.45;
}

/* Home features */
.home-features {
  padding: 3.5rem 0 4rem;
  background: #f4f8fb;
}

.home-features__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.home-features__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kk-blue);
}

.home-features__title {
  margin: 0;
  font-family: var(--kk-font-serif);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  color: var(--kk-blue-dark);
}

.home-features__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  max-width: 980px;
  margin: 0 auto;
}

.home-feature {
  background: var(--kk-white);
  border-radius: 18px;
  padding: 1.75rem;
  border: 1px solid rgba(11, 61, 122, 0.08);
  box-shadow: 0 10px 28px rgba(11, 61, 122, 0.06);
  transition: transform 0.25s ease;
}

.home-feature:hover {
  transform: translateY(-4px);
}

.home-feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(11, 61, 122, 0.08);
  color: var(--kk-blue-dark);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.home-feature__title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--kk-blue-dark);
}

.home-feature__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--kk-gray);
}

/* Home CTA */
.home-cta {
  padding: 3.5rem 0 4.5rem;
  background: linear-gradient(135deg, var(--kk-blue-dark) 0%, #0f4f8c 100%);
  color: var(--kk-white);
}

.home-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: 980px;
  margin: 0 auto;
}

.home-cta__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kk-blue-light);
}

.home-cta__title {
  margin: 0;
  font-family: var(--kk-font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.15;
}

.home-cta__text {
  margin: 0.75rem 0 0;
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
}

.home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  flex-shrink: 0;
}

.home-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.home-cta__btn:hover,
.home-cta__btn:focus {
  transform: translateY(-2px);
}

.home-cta__btn--primary {
  background: var(--kk-red);
  color: var(--kk-white);
}

.home-cta__btn--primary:hover,
.home-cta__btn--primary:focus {
  background: var(--kk-red-dark);
  color: var(--kk-white);
}

.home-cta__btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--kk-white);
}

.home-cta__btn--ghost:hover,
.home-cta__btn--ghost:focus {
  background: rgba(255, 255, 255, 0.1);
  color: var(--kk-white);
}

/* Inner pages */
.page-content {
  padding: 2.5rem 0 3rem;
}

.page-content h1 {
  font-family: var(--kk-font-serif);
  color: var(--kk-red);
}

.page-content__lead {
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--kk-gray);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus,
.portal-card:focus {
  outline: none;
  box-shadow: 0 0 0 0.15rem var(--kk-white), 0 0 0 0.35rem var(--kk-blue);
}

@media (max-width: 991.98px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer__brand {
    flex-direction: column;
    align-items: center;
  }

  .site-footer__meta {
    text-align: center;
    align-self: center;
  }

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

  .home-stat:nth-child(2) {
    border-right: none;
  }

  .home-features__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767.98px) {
  .site-brand__logo {
    height: 56px;
  }

  .home-hero__brand {
    flex-direction: column;
    text-align: center;
  }

  .home-hero__intro {
    text-align: center;
  }

  .home-hero__divider {
    margin-left: auto;
    margin-right: auto;
  }

  .home-portals,
  .home-stats__grid,
  .home-features__grid,
  .home-cta__inner {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .home-stat {
    border-right: none;
    border-bottom: 1px solid rgba(11, 61, 122, 0.08);
    padding-bottom: 1rem;
  }

  .home-stat:last-child {
    border-bottom: none;
  }

  .home-cta__actions {
    width: 100%;
  }

  .home-cta__btn {
    width: 100%;
  }

  .portal-card {
    min-height: auto;
  }
}