/* =========================================================
   Krypton Consulting Inc. — main.css (OFF-WHITE + BRAND COLORS)
   Brand colors from logo:
     Dark Blue  : #000070
     Orange/Gold: #897526
     Yellow     : #E4CA20
   Includes CSS-only hamburger menu (details/summary)
   ========================================================= */

:root{
  /* Brand */
  --k-blue:   #000070;
  --k-orange: #897526;
  --k-yellow: #E4CA20;

  /* Theme */
  --bg:    #FAFAF6;     /* off-white */
  --paper: #FFFFFF;     /* cards */
  --ink:   #101418;     /* main text */
  --muted: #4B5563;     /* secondary text */
  --line:  rgba(16,20,24,.12);

  --max: 1120px;
  --r: 16px;
  --shadow: 0 12px 30px rgba(0,0,0,.08);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 520px at 15% -10%, rgba(228,202,32,.18), transparent 55%),
    radial-gradient(900px 520px at 85% 0%, rgba(0,0,112,.10), transparent 58%),
    var(--bg);
  line-height:1.55;
}

a{ color: var(--k-blue); }
a:hover{ color:#00004d; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================
   Header / Navigation
   ========================= */
header{
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250,250,246,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  text-decoration:none;
  color: inherit;
  min-width: 240px;
}

.brand img{
  height: 46px;
  width: auto;
  display: block;
}

.brand .meta{
  display:flex;
  flex-direction:column;
  gap: 2px;
}

.brand .meta strong{
  letter-spacing:.2px;
  color: var(--ink);
}

.brand .meta span{
  font-size:.88rem;
  color: var(--muted);
}

/* Desktop links */
.navlinks{
  display:flex;
  gap: 6px;
  align-items:center;
  flex-wrap:wrap;
}

.navlinks a{
  text-decoration:none;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
}

.navlinks a:hover{
  background: rgba(0,0,112,.06);
  color: var(--k-blue);
}

.navlinks a.active{
  color: var(--k-blue);
  background: linear-gradient(135deg, rgba(228,202,32,.20), rgba(0,0,112,.08));
  border: 1px solid rgba(0,0,112,.10);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-decoration:none;
  white-space:nowrap;
  box-shadow: 0 6px 16px rgba(0,0,0,.06);
}

.btn:hover{
  border-color: rgba(0,0,112,.18);
  transform: translateY(-1px);
}

.btn.primary{
  border-color: rgba(0,0,112,.18);
  background: linear-gradient(135deg, rgba(0,0,112,.10), rgba(228,202,32,.22));
  color: var(--k-blue);
}

.btn.primary:hover{
  background: linear-gradient(135deg, rgba(0,0,112,.12), rgba(228,202,32,.30));
}

/* =========================
   Hamburger (CSS-only)
   Works with <details class="menu"> ... </details>
   ========================= */
details.menu{
  position: relative;
}

details.menu summary{
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,112,.18);
  background: #fff;
  color: var(--k-blue);
  box-shadow: 0 6px 16px rgba(0,0,0,.06);
}

details.menu summary::-webkit-details-marker{
  display:none;
}

.hamburger{
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}

.hamburger span{
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--k-blue);
  transition: transform .18s ease, opacity .18s ease;
}

.hamburger span:nth-child(1){ top: 0; }
.hamburger span:nth-child(2){ top: 5px; background: var(--k-orange); }
.hamburger span:nth-child(3){ bottom: 0; background: var(--k-yellow); }

details.menu[open] .hamburger span:nth-child(1){
  transform: translateY(5px) rotate(45deg);
}
details.menu[open] .hamburger span:nth-child(2){
  opacity: 0;
}
details.menu[open] .hamburger span:nth-child(3){
  transform: translateY(-5px) rotate(-45deg);
}

.menu-panel{
  position: absolute;
  right: 0;
  margin-top: 10px;
  width: min(320px, calc(100vw - 40px));
  background: #fff;
  border: 1px solid rgba(0,0,112,.18);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0,0,0,.10);
  padding: 10px;
  z-index: 50;
}

.menu-panel a{
  display:block;
  text-decoration:none;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
}

.menu-panel a:hover{
  background: rgba(0,0,112,.06);
  color: var(--k-blue);
}

.menu-panel .btn{
  margin-top: 6px;
  width: 100%;
}

/* Desktop vs Mobile behavior */
@media (min-width: 981px){
  details.menu{ display:none; }
}
@media (max-width: 980px){
  .navlinks{ display:none; }
}

/* =========================
   Layout / Typography
   ========================= */
main{ padding: 34px 0 64px; }
section{ padding: 28px 0; }

.hero{ padding: 24px 0 10px; }

.kicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,112,.12);
  background: rgba(228,202,32,.18);
  color: var(--k-blue);
  font-weight: 700;
  letter-spacing:.2px;
  font-size: .92rem;
}

h1{
  font-size: clamp(2rem, 2.3vw + 1rem, 3.1rem);
  line-height: 1.08;
  margin: 12px 0 10px;
  color: var(--ink);
}

h2{
  font-size: clamp(1.35rem, 1.1vw + 1rem, 2rem);
  margin: 0 0 12px;
  color: var(--ink);
}

p{
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 1.03rem;
}

/* =========================
   Cards / Grids / Lists
   ========================= */
.grid{ display:grid; gap: 14px; }
.grid-2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 980px){
  .grid-2,.grid-3{ grid-template-columns: 1fr; }
  section{ padding: 22px 0; }
  .wrap{ padding: 0 16px; }
}

.card{
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.pad{ padding: 18px; }

.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li{ margin: 8px 0; }

/* Image placeholders */
.ph-img{
  height: 180px;
  border-radius: 14px;
  border: 1px dashed rgba(0,0,112,.20);
  background:
    linear-gradient(135deg, rgba(0,0,112,.06), rgba(228,202,32,.22)),
    rgba(255,255,255,.7);
  display:flex;
  align-items:center;
  justify-content:center;
  color: rgba(0,0,112,.70);
  font-weight: 800;
  text-align:center;
  padding: 10px;
}

/* =========================
   Forms
   ========================= */
label{
  display:block;
  margin: 10px 0 6px;
  color: var(--ink);
  font-weight: 700;
}

input, select, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,112,.18);
  background: #fff;
  color: var(--ink);
}

textarea{
  min-height: 120px;
  resize: vertical;
}

.help{ font-size:.92rem; color: var(--muted); }
.error{ color:#b42318; font-size:.95rem; margin-top:8px; }
.success{ color:#067647; font-size:.95rem; margin-top:10px; }

/* Focus styles */
:focus-visible{
  outline: 3px solid rgba(228,202,32,.55);
  outline-offset: 2px;
  border-radius: 10px;
}

/* =========================
   Footer
   ========================= */
footer{
  border-top: 1px solid var(--line);
  padding: 22px 0 44px;
  color: var(--muted);
  background: rgba(255,255,255,.75);
}