:root{
  --blue-base: #4B84C3;
  --blue-900: #122130;
  --blue-800: #1A2E44;
  --blue-700: #213B57;
  --blue-650: #29486B;

  --grey-050: #F6F7F8;
  --grey-100: #F2F3F4;
  --grey-200: #E6E7E9;
  --grey-300: #D2D4D8;

  --text: var(--blue-900);
  --muted: var(--blue-650);

  --radius: 3px; 
  --shadow: 0 10px 30px rgba(18, 33, 48, 0.12);
  --border: 1px solid rgba(18, 33, 48, 0.10);
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
  background: var(--grey-100);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
}

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

a{
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover{
  text-decoration-thickness: 2px;
}

.container{
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
}

.header-container{
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center; 
  justify-content: space-between;
}

.site-header{
  background: linear-gradient(180deg, var(--blue-700) 0%, var(--blue-800) 62%, var(--blue-900) 100%);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header::after{
  /* subtle glossy highlight */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(1200px 120px at 30% 0%, rgba(255,255,255,0.14), transparent 60%);
  pointer-events: none;
}

.site-header .container{
  padding: 1rem 0;
  position: relative;
}

.brand{
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.2px;
  font-size: 1.15rem;
}

.brand-logo {
  height: 3rem;
}

.site-main{
  padding: 1.75rem 0 2.25rem;
}

.card{
  background: rgba(255,255,255,0.86);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin: 0 0 1.15rem 0;
  backdrop-filter: blur(6px);
}

.card h1, .card h2{
  margin: 0 0 0.6rem 0;
  line-height: 1.2;
}

.card h2{ font-size: 1.15rem; }

p{ margin: 0 0 0.9rem 0; color: var(--muted); }
p:last-child{ margin-bottom: 0; }

.intro{
  padding: 1.1rem 1.25rem;
  background: linear-gradient(180deg, rgba(75,132,195,0.10), rgba(255,255,255,0.86));
}

.intro-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
}

.title{
  margin: 0 0 0.35rem 0;
  font-weight: 750;
  color: var(--text);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  letter-spacing: 0.1px;
}

.headline{
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

/* Swap wrapper */
.profile-swap-wrap{
  position: relative;
}

/* Visually hide checkbox but keep it accessible */
.profile-toggle{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Focus ring for keyboard users */
.profile-toggle:focus-visible + .profile-swap{
  box-shadow: 0 0 0 3px rgba(75, 132, 195, .45);
}

/* Click/tap target */
.profile-swap{
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  line-height: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  margin-left: 0;
  max-width: 220px;

}

/* Images */
.profile-swap .profile-img{
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 160ms ease, transform 260ms ease;
}

/* Second image overlays the first */
.profile-swap .profile-img--2{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.01);
}

/* Desktop: hover swaps (no sticky toggle on desktop) */
@media (hover: hover) and (pointer: fine){
  .profile-swap:hover .profile-img--1{
    opacity: 0;
    transform: scale(0.99);
  }
  .profile-swap:hover .profile-img--2{
    opacity: 1;
    transform: scale(1);
  }
}

/* Mobile/touch: tap toggles checked state (tap again returns) */
@media (hover: none) and (pointer: coarse){
  .profile-toggle:checked + .profile-swap .profile-img--1{
    opacity: 0;
    transform: scale(0.99);
  }
  .profile-toggle:checked + .profile-swap .profile-img--2{
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce){
  .profile-swap .profile-img{
    transition: none;
  }
}

/*
.profile-swap{
  position: relative;
  display: block;
  width: min(220px, 100%);
  justify-self: start;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  line-height: 0; 
  margin-left: 0;
  max-width: 220px;
}

.profile-swap:focus{
  outline: none;
}

.profile-swap:focus-visible{
  box-shadow: var(--shadow);
}

.profile-swap .profile-img{
  border-radius: 6px;
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 160ms ease, transform 260ms ease;
}

.profile-swap .profile-img--2{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.01);
}

.profile-swap:is(:hover, :focus, :active) .profile-img--1{
  opacity: 0;
  transform: scale(0.99);
}

.profile-swap:is(:hover, :focus, :active) .profile-img--2{
  opacity: 1;
  transform: scale(1);
}*/

.clean-list{
  list-style: none;
  padding-left: 0;
  margin: 0.75rem 0 0.9rem 0;
  display: grid;
  gap: 0.5rem;
}

.clean-list li{
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  border: 1px solid rgba(18,33,48,0.08);
  background: rgba(246, 247, 248);
  color: var(--blue-800);
  font-weight: 550;
  box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
}

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

.contact-lines{
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.35rem;
  color: var(--muted);
}

.contact-link{
  font-weight: 700;
  color: var(--text);
  border-radius: 4px;
}

.contact-link:focus-visible{
  outline: 3px solid rgba(75,132,195,0.45);
  outline-offset: 3px;
}

.dot{
  opacity: 0.55;
}

.site-footer{
  background: var(--grey-050);
  border-top: 1px solid rgba(18,33,48,0.10);
}

.site-footer .container{
  padding: 1.25rem 0 1.75rem;
}

.site-footer p{
  margin: 0.25rem 0 0 0;
  color: rgba(41, 72, 107, 0.85);
}

@media (min-width: 820px){
  .intro-grid{
    grid-template-columns: 1.35fr 0.65fr;
    gap: 1.5rem;
  }
  .profile-swap{
    margin-left: auto;
  }
  .card{
    padding: 1.35rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; }
    .profile-swap .profile-img{
    transition: none;
  }
}