/* Shared site header — visual source of truth = homepage sfl-nav */
:root {
  --sfl-navy: #0b1f4d;
  --sfl-blue: #1f4fd8;
  --sfl-blue-bright: #2f6bff;
  --sfl-ink: #14213d;
  --sfl-muted: #5b6b86;
  --sfl-line: #e6ebf5;
}

.sfl-nav .sfl-container {
  width: min(1200px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.sfl-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--sfl-line);
  font-family: "Lexend Deca", system-ui, sans-serif;
}

.sfl-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.sfl-logo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  color: var(--sfl-blue);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: lowercase;
  flex-shrink: 0;
}

.sfl-logo img {
  width: auto;
  height: 52px;
  max-width: min(280px, 58vw);
  object-fit: contain;
  display: block;
}

.sfl-nav-links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 1.1rem;
  min-width: 0;
  margin-left: auto;
}

.sfl-nav-links a {
  color: var(--sfl-blue);
  text-decoration: none !important;
  font-weight: 500;
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  white-space: nowrap;
  flex-shrink: 0;
  border-bottom: 0 !important;
  box-shadow: none;
}

.sfl-nav-links a:hover,
.sfl-nav-links a:focus,
.sfl-nav-links a:visited {
  color: var(--sfl-blue);
  text-decoration: none !important;
}

/* Desktop active: soft highlight, no underline */
.sfl-nav-links a.is-active {
  color: var(--sfl-blue);
  background: rgba(47, 107, 255, 0.10);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  border-bottom: 0 !important;
}

.sfl-nav-welcome {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--sfl-blue);
  font-weight: 500;
  font-size: .92rem;
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sfl-nav-welcome i {
  color: var(--sfl-blue);
  flex-shrink: 0;
}

.sfl-nav-logout,
.sfl-nav-logout:hover,
.sfl-nav-logout:focus,
.sfl-nav-logout:visited {
  color: var(--sfl-blue) !important;
  font-weight: 500 !important;
}

.sfl-nav-cta {
  background: var(--sfl-blue-bright) !important;
  color: #fff !important;
  padding: .65rem 1rem;
  border-radius: 999px;
  text-decoration: none !important;
  border-bottom: 0 !important;
  white-space: nowrap;
}

.sfl-nav-cta:hover,
.sfl-nav-cta:focus,
.sfl-nav-cta:visited {
  text-decoration: none !important;
}

/* Desktop: CTA lives in the link row; bar CTA is mobile-only */
.sfl-nav-cta-bar {
  display: none;
}

.sfl-nav-end {
  display: none;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  margin-left: auto;
}

.sfl-nav-toggle {
  display: none;
  background: #f3f6fc;
  border: 1px solid #e4eaf5;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  border-radius: 10px;
  box-sizing: border-box;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.sfl-nav-toggle:hover,
.sfl-nav-toggle:focus-visible {
  background: #eaf0fb;
  border-color: #d5def0;
  outline: none;
}

.sfl-nav-toggle span {
  display: block;
  height: 2px;
  width: 16px;
  background: var(--sfl-navy);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.sfl-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.sfl-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.sfl-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Backdrop for mobile drawer */
.sfl-nav-backdrop {
  display: none;
}

@media (max-width: 1100px) and (min-width: 961px) {
  .sfl-nav-links {
    gap: 0.7rem;
  }

  .sfl-nav-links a,
  .sfl-nav-welcome {
    font-size: 0.88rem;
  }

  .sfl-nav-welcome {
    max-width: 10.5rem;
  }
}

@media (max-width: 960px) {
  .sfl-nav {
    z-index: 100;
  }

  .sfl-nav-inner {
    min-height: 64px;
    gap: 0.55rem;
    padding-right: 0.15rem; /* keep toggle off the screen edge */
  }

  .sfl-nav-end {
    display: inline-flex;
    margin-right: 0;
    padding-right: 0;
    position: relative;
    z-index: 1;
  }

  .sfl-nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 140; /* close control stays above the drawer */
  }

  /* Match mockup: Start Learning stays in the bar beside the hamburger */
  .sfl-nav-cta-bar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.9rem;
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1;
    position: relative;
    z-index: 1;
  }

  .sfl-nav-cta-inmenu {
    display: none !important;
  }

  /* Left slide-in drawer — covers header content; only the X stays above */
  .sfl-nav-links {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(300px, 82vw);
    max-width: 300px;
    margin: 0;
    padding: 1.35rem 1rem 1.5rem;
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0.35rem;
    background: #fff;
    border-right: 1px solid var(--sfl-line);
    border-bottom: 0;
    box-shadow: 18px 0 40px rgba(11, 31, 77, 0.14);
    z-index: 130;
    transform: translateX(-105%);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sfl-nav-links.is-open {
    transform: translateX(0);
  }

  .sfl-nav-links::before {
    content: "Menu";
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--sfl-muted);
    padding: 0.15rem 0.75rem 0.75rem;
  }

  .sfl-nav-links a {
    width: 100%;
    padding: 0.75rem 0.85rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    gap: 0.65rem;
    text-decoration: none !important;
    border-bottom: 0 !important;
  }

  .sfl-nav-links a i {
    width: 1.15rem;
    text-align: center;
    opacity: 0.9;
  }

  .sfl-nav-links a:hover,
  .sfl-nav-links a:focus-visible {
    background: rgba(47, 107, 255, 0.08);
    text-decoration: none !important;
  }

  .sfl-nav-links a.is-active {
    background: rgba(47, 107, 255, 0.12);
    color: var(--sfl-blue);
    font-weight: 600;
    border-radius: 12px;
    padding: 0.75rem 0.85rem;
    border-bottom: 0 !important;
  }

  .sfl-nav-welcome {
    max-width: 100%;
    padding: 0.65rem 0.85rem;
    margin-top: 0.35rem;
    background: #f5f7fc;
    border-radius: 12px;
  }

  /* Dim only the page behind the drawer — never over the menu */
  .sfl-nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(11, 31, 77, 0.42);
    z-index: 95;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .sfl-nav-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  body.sfl-nav-drawer-open {
    overflow: hidden;
  }

  body.sfl-nav-drawer-open .sfl-nav {
    z-index: 100;
  }

  /* Header chrome sits under the open drawer (except the close toggle) */
  body.sfl-nav-drawer-open .sfl-logo,
  body.sfl-nav-drawer-open .sfl-nav-cta-bar {
    visibility: hidden;
    pointer-events: none;
  }

  .sfl-logo {
    position: relative;
    z-index: 1;
  }

  .sfl-logo img {
    height: 42px;
    max-width: min(168px, 42vw);
  }
}

@media (max-width: 600px) {
  .sfl-nav .sfl-container {
    width: min(1200px, calc(100% - 1.5rem));
  }

  .sfl-nav-inner {
    min-height: 58px;
    gap: 0.45rem;
  }

  .sfl-nav-cta-bar {
    padding: 0.48rem 0.78rem;
    font-size: 0.8rem;
  }

  .sfl-nav-toggle {
    width: 38px;
    height: 38px;
    border-radius: 9px;
  }

  .sfl-nav-toggle span {
    width: 15px;
  }

  .sfl-nav-links {
    width: min(286px, 86vw);
    padding: 1.2rem 0.85rem 1.35rem;
  }
}