/*
 * Being Human Devils — shared visual foundation
 * True monochrome only. The public site treats type, space and structure as
 * its visual material; the portals inherit the same calm, high-contrast base.
 */

@import url('https://fonts.googleapis.com/css2?family=Albert+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Bodoni+Moda:opsz,wght@6..96,500;6..96,600;6..96,700&family=JetBrains+Mono:wght@400;500&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Deep Dark Mode for Social UI */
  --bg-base: oklch(0.12 0 0);
  --bg-deep: oklch(0.08 0 0);
  --bg-surface: oklch(0.18 0 0);
  --bg-surface-hover: oklch(0.22 0 0);
  --bg-raised: oklch(0.26 0 0);
  --bg-scrim: oklch(0.05 0 0 / 0.85);

  --text-primary: oklch(0.96 0 0);
  --text-secondary: oklch(0.70 0 0);
  --text-tertiary: oklch(0.55 0 0);
  --text-muted: oklch(0.40 0 0);
  --text-inverse: oklch(0.10 0 0);

  --accent: oklch(0.96 0 0);
  --accent-muted: oklch(0.35 0 0);
  --accent-red: oklch(0.60 0.22 25);
  --accent-red-hover: oklch(0.65 0.22 25);
  
  --border-subtle: oklch(0.25 0 0);
  --border-strong: oklch(0.35 0 0);

  --font-display: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-portal: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --text-xs: clamp(0.72rem, 0.69rem + 0.18vw, 0.82rem);
  --text-sm: clamp(0.86rem, 0.82rem + 0.28vw, 0.98rem);
  --text-base: clamp(1rem, 0.95rem + 0.34vw, 1.12rem);
  --text-lg: clamp(1.14rem, 1.05rem + 0.5vw, 1.34rem);
  --text-xl: clamp(1.35rem, 1.17rem + 0.88vw, 1.78rem);
  --text-2xl: clamp(1.75rem, 1.42rem + 1.55vw, 2.65rem);
  --text-3xl: clamp(2.4rem, 1.84rem + 2.6vw, 4.15rem);
  --text-hero: clamp(3rem, 2.04rem + 4.65vw, 5.85rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;

  --container-max: 100%; /* Go full width for social layout */
  --reading-max: 48rem;
  --nav-height: 3.5rem; /* Sleeker top nav */
  --grid-columns: 12;
  --grid-gap: var(--space-6);

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  --shadow-sm: 0 2px 6px rgb(0 0 0 / 0.28);
  --shadow-md: 0 7px 14px rgb(0 0 0 / 0.34);
  --shadow-lg: 0 12px 24px rgb(0 0 0 / 0.44);
}

* ,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  background: var(--bg-base);
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background: var(--bg-base);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button,
input,
textarea,
select {
  margin: 0;
  color: inherit;
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.02;
  text-wrap: balance;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  max-width: 70ch;
  text-wrap: pretty;
}

::selection {
  background: var(--text-primary);
  color: var(--text-inverse);
}

:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 4px;
}

.container {
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-8));
}

.stack {
  display: flex;
  flex-direction: column;
}

.row {
  display: flex;
  align-items: center;
}

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

.between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  gap: var(--grid-gap);
}

.col-span-12 { grid-column: span 12; }
.col-span-8 { grid-column: span 8; }
.col-span-6 { grid-column: span 6; }
.col-span-4 { grid-column: span 4; }
.col-span-3 { grid-column: span 3; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-mono { font-family: var(--font-mono); }
.text-label {
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  inset: var(--space-4) auto auto var(--space-4);
  z-index: 60;
  padding: var(--space-2) var(--space-4);
  background: var(--text-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  transform: translateY(-180%);
  transition: transform var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Shared transit layer. The supplied mask remains an untouched image; the
   moving light lives on a separate overlay so it never distorts the mark. */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--bg-deep);
  opacity: 1;
  transition: opacity var(--duration-slow) var(--ease-out), visibility var(--duration-slow) var(--ease-out);
}

.loading-overlay.hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.loading-mask-container {
  position: relative;
  display: grid;
  width: 180px;
  height: 180px;
  place-items: center;
  animation: mask-cross 1.55s var(--ease-in-out) infinite;
  will-change: transform;
}

.loading-mask {
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.25)) drop-shadow(0 0 5px rgba(255, 255, 255, 0.15));
}

.loading-light-sweep {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  mask-image: url("/assets/images/bhd-mask-loader.png");
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-image: url("/assets/images/bhd-mask-loader.png");
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.loading-light-sweep::after {
  content: '';
  position: absolute;
  inset: 0 auto 0 -50%;
  width: 30%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.95), transparent);
  opacity: 0;
  transform: skewX(-25deg);
  animation: mask-sweep 1.55s var(--ease-in-out) infinite;
  mix-blend-mode: screen;
}

.loading-caption {
  position: absolute;
  top: calc(100% + var(--space-5));
  left: 50%;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translateX(-50%);
  white-space: nowrap;
}

@keyframes mask-cross {
  0% { transform: translate(-55vw, 55vh); }
  45%, 55% { transform: translate(0, 0); }
  100% { transform: translate(55vw, -55vh); }
}

@keyframes mask-sweep {
  0%, 25% { opacity: 0; transform: translateX(0) skewX(-25deg); }
  45%, 55% { opacity: 0.95; }
  75%, 100% { opacity: 0; transform: translateX(500%) skewX(-25deg); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0.67rem var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--text-primary);
  color: var(--text-inverse);
}

.btn-primary:hover { 
  background: var(--text-secondary);
  box-shadow: 0 0 12px color-mix(in oklch, var(--text-primary) 30%, transparent);
}

.btn-secondary {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: var(--bg-surface);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.btn-sm {
  min-height: 2.25rem;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.6rem;
  padding: 0.2rem var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.2;
}

.badge-dark {
  border-color: var(--text-primary);
  background: var(--text-primary);
  color: var(--text-inverse);
}

.input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-deep);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
}

.input:focus {
  border-color: var(--text-primary);
}

.input::placeholder { color: var(--text-tertiary); }

.divider {
  width: 100%;
  height: 1px;
  background: var(--border-subtle);
}

::-webkit-scrollbar { width: 0.625rem; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--bg-raised); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

@media (max-width: 48rem) {
  .col-span-8,
  .col-span-6,
  .col-span-4,
  .col-span-3 { grid-column: span 12; }
}

@media (prefers-reduced-motion: reduce) {
  .loading-mask-container,
  .loading-light-sweep::after { animation: none; }
  .loading-mask-container { transform: none; }
  .loading-light-sweep::after { opacity: 0.45; transform: translateX(250%) skewX(-20deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}