/* Ocean/deep-sea base styles for unclassed HTML elements
   Keeps blue neutrals dominant, lighter blue accents secondary, warm orange as subtle accent.
   Uses :not([class]) to avoid overriding Tailwind-styled elements already using utility classes. */

:root {
  --cb-alice: #e9f5fb;
  --cb-columbia: #cedee6;
  --cb-columbia-2: #b2c6d0;
  --cb-cadet: #7b96a5;
  --cb-paynes: #44667a;
  --cb-prussian: #0d364e;
  --cb-rich: #071d29;
  --cb-rich-2: #061720;
  --cb-rich-3: #041017;

  --warm-seashell: #fbf0e9;
  --warm-buff: #ebac87ff;
  --warm-cocoa: #da6725;
  --warm-russet: #743714;
  --warm-licorice: #271307ff;

  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-brd: rgba(255, 255, 255, 0.10);
  --glass-brd-2: rgba(255, 255, 255, 0.06);
  --shadow-outer: 0 12px 30px rgba(0, 0, 0, 0.35);
  --shadow-inner: inset 0 1px 0 rgba(255,255,255,0.05), inset 0 0 0 1px rgba(255,255,255,0.04);
}

/* Typography */
html:not([class]) body:not([class]) {
  color: var(--cb-columbia-2);
}

h1:not([class]) {
  color: var(--cb-alice);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 1.5rem 0 0.75rem;
  font-size: clamp(1.875rem, 1.2rem + 2vw, 2.5rem);
}

h2:not([class]) {
  color: var(--cb-alice);
  font-weight: 600;
  line-height: 1.25;
  margin: 1.25rem 0 0.5rem;
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2rem);
}

h3:not([class]) {
  color: var(--cb-columbia);
  font-weight: 600;
  line-height: 1.3;
  margin: 1rem 0 0.5rem;
  font-size: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
}

h4:not([class]), h5:not([class]), h6:not([class]) {
  color: var(--cb-columbia);
  font-weight: 600;
  margin: 0.75rem 0 0.25rem;
}

p:not([class]) { margin-top: 0.75rem; }

small:not([class]) { color: var(--cb-cadet); }

/* Links */
a:not([class]) {
  color: var(--cb-columbia);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

a:not([class]):hover { color: var(--cb-alice); }

a:not([class]):focus-visible {
  outline: 3px solid var(--warm-cocoa);
  outline-offset: 3px;
}

/* Lists */
ul:not([class]), ol:not([class]) {
  margin: 0.75rem 0 0.75rem 1.25rem;
}

ul:not([class]) { list-style: disc; }
ol:not([class]) { list-style: decimal; }

li + li { margin-top: 0.25rem; }

/* Quotes */
blockquote:not([class]) {
  border-left: 3px solid var(--cb-paynes);
  padding-left: 1rem;
  color: var(--cb-columbia);
  font-style: italic;
  background: rgba(68, 102, 122, 0.07);
  border-radius: 0.5rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  margin: 1rem 0;
}

/* Code */
code:not([class]) {
  background: rgba(4, 16, 23, 0.85);
  color: var(--cb-alice);
  padding: 0.125rem 0.375rem;
  border-radius: 0.375rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

pre:not([class]) {
  background: rgba(4, 16, 23, 0.9);
  color: var(--cb-alice);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.75rem;
  padding: 1rem;
  overflow-x: auto;
  box-shadow: var(--shadow-outer);
}

pre:not([class]) code { background: transparent; border: 0; padding: 0; }

kbd:not([class]) {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-bottom-width: 2px;
  border-radius: 0.375rem;
  padding: 0.125rem 0.375rem;
  color: var(--cb-alice);
  box-shadow: var(--shadow-inner);
}

mark:not([class]) {
  background: rgba(218, 103, 37, 0.18);
  color: var(--cb-alice);
  border-radius: 0.125rem;
  padding: 0 0.125rem;
}

hr:not([class]) {
  height: 1px;
  border: 0;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
  margin: 1.5rem 0;
}

/* Media */
img:not([class]), video:not([class]), iframe:not([class]) {
  border-radius: 0.75rem;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.15);
}

figure:not([class]) { margin: 1rem 0; }
figcaption:not([class]) { color: var(--cb-cadet); font-size: 0.875rem; margin-top: 0.25rem; }

/* Tables */
table:not([class]) {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin-top: 1rem;
}

thead:not([class]) th { color: var(--cb-alice); background: rgba(255,255,255,0.04); }

th:not([class]), td:not([class]) {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.5rem 0.75rem;
}

/* Forms (classless defaults so simple markup looks good) */
input:not([class]), textarea:not([class]), select:not([class]) {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  background: rgba(7, 29, 41, 0.4);
  color: var(--cb-alice);
  border: 1px solid rgba(68, 102, 122, 0.35);
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  box-shadow: var(--shadow-inner);
}

input:not([class])::placeholder, textarea:not([class])::placeholder { color: rgba(178,198,208,0.7); }

input:not([class]):focus, textarea:not([class]):focus, select:not([class]):focus {
  outline: none;
  border-color: rgba(68, 102, 122, 0.6);
  box-shadow: 0 0 0 3px rgba(68, 102, 122, 0.35);
}

label:not([class]) { color: var(--cb-columbia); font-size: 0.9375rem; }

fieldset:not([class]) {
  border: 1px solid var(--glass-brd);
  border-radius: 1rem;
  padding: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

legend:not([class]) { color: var(--cb-columbia); padding: 0 0.5rem; }

button:not([class]), input[type="submit"]:not([class]) {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--warm-cocoa);
  color: var(--warm-seashell);
  border: 0;
  border-radius: 0.75rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  box-shadow: 0 10px 20px rgba(218, 103, 37, 0.25);
  transition: background 0.2s ease, transform 0.05s ease;
}

button:not([class]):hover, input[type="submit"]:not([class]):hover {
    background: var(--warm-buff);
    color: var(--warm-licorice);
}
button:not([class]):active, input[type="submit"]:not([class]):active { transform: translateY(1px); }

/* Focus defaults (as a safety net) */
:focus-visible { outline: 2px solid rgba(68, 102, 122, 0.6); outline-offset: 2px; }

/* Motion reduction for SVG decorative waves (pause animation by removing animate elements) */
@media (prefers-reduced-motion: reduce) {
  /* Hide animate elements inside wave svgs so paths remain static/empty (subtle reduction) */
  #wave-1 animate, #wave-2 animate, #wave-3 animate, #wave-4 animate {
    display: none !important;
  }
}

/* Focus defaults (warm override for better keyboard visibility) */
::focus-visible { outline: 3px solid var(--warm-cocoa); outline-offset: 3px; }

/* ---------------------------------------------
   Navigation responsive helpers (vanilla CSS)
   - Hide nav list on mobile until opened
   - Show hamburger on mobile; hide on desktop
   - Fullscreen overlay on mobile when open
   --------------------------------------------- */

/* Scope to header for safety */
header[role="banner"] {
  /* container tweaks if ever needed */
}

/* Mobile-first: hide primary nav by default, show toggle */
header[role="banner"] #primary-nav {
  position: static;
}

header[role="banner"] #primary-nav > ul {
  display: none; /* hidden until opened */
}

header[role="banner"] .mobile-toggle {
  display: inline-flex;
  position: relative;
  z-index: 70; /* stay above mobile overlay */
}

/* When mobile menu is open */
header[role="banner"] #primary-nav[data-open="true"] {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(7, 29, 41, 0.96);
  backdrop-filter: blur(10px);
}

header[role="banner"] #primary-nav[data-open="true"] > ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 5rem 1rem 1.25rem; /* space for header area */
}

/* Make mega panels position static on mobile so they stack */
header[role="banner"] #primary-nav[data-open="true"] [data-menu-panel] {
  position: static !important;
  display: block !important;
  transform: none !important;
  width: auto !important;
  margin-top: 0.5rem;
}

/* Likewise for nested submenu panels */
header[role="banner"] #primary-nav[data-open="true"] [data-submenu-panel] {
  position: static !important;
  display: block !important;
  width: auto !important;
  margin-left: 0 !important;
  margin-top: 0.25rem;
}

/* Desktop (≥768px): show horizontal list and hide toggle */
@media (min-width: 768px) {
  header[role="banner"] .mobile-toggle { display: none; }
  header[role="banner"] #primary-nav { position: static; background: transparent; }
  header[role="banner"] #primary-nav > ul { display: flex; }
  header[role="banner"] #primary-nav [data-menu-panel] { display: none; }
}