/* ============================================================
   Sodoba — Global Stylesheet
   Shared across all pages: variables, reset, base, background,
   logo, nav, common components, and utility animations.
   ============================================================ */

/* --- Variables --- */
:root {
  /* — Palette — */
  --bg: hsl(240, 23%, 8%);
  --surface: hsla(240, 35%, 2%, 0.25);
  --surface-2: hsla(240, 32%, 4%, 0.25);
  --border: hsla(240, 24%, 34%, 0.55);
  --border-hover: #3a3a58;
  --text: #eeeef4;
  --text-mid: #a8a8c0;
  --text-muted: #5c5c7a;
  --red: #ff4f5e;
  --blue: #3da8f5;
  --green: #3dd98c;
  --yellow: #ffc63b;
  --purple: #a07bff;
  --pink: #ff6b9d;
  --orange: #ff8a50;
  --cyan: #40d9d9;

  /* — Background blobs — */
  --blob-opacity: 0.4;
  --blob-blur: clamp(50px, 7vw, 100px);

  /* — Dot grid — */
  --dot-size-lg: 3.75px;
  --dot-size-sm: 3px;
  --dot-opacity-lg: 0.13;
  --dot-opacity-sm: 0.07;
  --dot-color: 92, 92, 140;
  --dot-spacing: 48px;
  --dot-speed: 14s;

  /* — Shine sweep — */
  --shine-opacity-edge: 0;
  --shine-opacity-peak: 0.2;
  --shine-thickness: 4%;
  --shine-speed: 48s;

  /* — Vignette — */
  --vignette-opacity: 0.4;

  /* — Aurora LED border — */
  --led-thickness: 4px;
  --led-radius: 22px;
  --led-speed: 5s;

  /* — Cards — */
  --card-radius: 20px;
  --card-padding: 48px 40px 32px;
  --card-padding-mobile: 36px 24px;
  --card-blur: 4px;
  --card-border-width: 2px;
}

/* --- Reset --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Base --- */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
html::-webkit-scrollbar { width: 6px; }
html::-webkit-scrollbar-track { background: transparent; }
html::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
html::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Nunito', sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
body::-webkit-scrollbar { width: 6px; }
body::-webkit-scrollbar-track { background: transparent; }
body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
body::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* --- Background --- */
.bg-layer {
  position: fixed;
  inset: -20px;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Animated gradient blobs */
.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(var(--blob-blur));
  opacity: var(--blob-opacity);
  mix-blend-mode: soft-light;
  will-change: transform;
}
.bg-blob-1 {
  width: clamp(300px, calc(22vw + 22vh), 700px);
  height: clamp(300px, calc(22vw + 22vh), 700px);
  background: radial-gradient(circle, #1a6bff 0%, #3dd9c0 40%, transparent 70%);
  top: -10%;
  left: -8%;
  animation: blobDrift1 18s ease-in-out infinite;
}
.bg-blob-2 {
  width: clamp(250px, calc(19vw + 19vh), 600px);
  height: clamp(250px, calc(19vw + 19vh), 600px);
  background: radial-gradient(circle, #9b59ff 0%, #1a6bff 40%, transparent 70%);
  bottom: 0%;
  left: 50%;
  transform: translateX(-50%);
  animation: blobDrift2 22s ease-in-out infinite;
}
.bg-blob-3 {
  width: clamp(220px, calc(17vw + 17vh), 550px);
  height: clamp(220px, calc(17vw + 17vh), 550px);
  background: radial-gradient(circle, #3dd9c0 0%, #6a4dff 40%, transparent 70%);
  top: 30%;
  right: -10%;
  animation: blobDrift3 20s ease-in-out infinite;
}

@media (max-width: 600px) {
  .bg-blob-1 { top: -20%; left: -18%; }
  .bg-blob-2 { bottom: -25%; }
  .bg-blob-3 { top: 25%; right: -25%; }
}

@keyframes blobDrift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(80px, 60px) scale(1.1); }
  66%      { transform: translate(-40px, 100px) scale(0.95); }
}
@keyframes blobDrift2 {
  0%, 100% { transform: translateX(-110%) scale(1); }
  33%      { transform: translate(calc(-50% - 100px), -50px) scale(1.05); }
  66%      { transform: translate(calc(-50% + 40px), -80px) scale(1.1); }
}
@keyframes blobDrift3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(60px, -70px) scale(1.1); }
  66%      { transform: translate(-80px, -30px) scale(0.9); }
}

/* Dot grid overlay on top of blobs */
.bg-dots {
  position: absolute;
  inset: calc(var(--dot-spacing) * -1);
  background-image:
    radial-gradient(circle, rgba(var(--dot-color), var(--dot-opacity-lg)) var(--dot-size-lg), transparent var(--dot-size-lg)),
    radial-gradient(circle, rgba(var(--dot-color), var(--dot-opacity-sm)) var(--dot-size-sm), transparent var(--dot-size-sm));
  background-size: var(--dot-spacing) var(--dot-spacing);
  background-position: 0 0, calc(var(--dot-spacing) / 2) calc(var(--dot-spacing) / 2);
  will-change: transform;
  animation: dotPan var(--dot-speed) linear infinite;
}
@keyframes dotPan {
  0%   { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(calc(var(--dot-spacing) * -1), calc(var(--dot-spacing) * -1), 0); }
}

/* Vignette fade */
.bg-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, var(--bg) 0%, transparent 25%, transparent 75%, var(--bg) 100%),
    linear-gradient(to right,  var(--bg) 0%, transparent 20%, transparent 80%, var(--bg) 100%);
}

/* Diagonal shine sweep — masked to dot shapes */
.bg-shine {
  position: absolute;
  inset: calc(var(--dot-spacing) * -1);
  overflow: hidden;
  pointer-events: none;
  mix-blend-mode: screen;
  -webkit-mask-image:
    radial-gradient(circle, white var(--dot-size-lg), transparent var(--dot-size-lg)),
    radial-gradient(circle, white var(--dot-size-sm), transparent var(--dot-size-sm));
  mask-image:
    radial-gradient(circle, white var(--dot-size-lg), transparent var(--dot-size-lg)),
    radial-gradient(circle, white var(--dot-size-sm), transparent var(--dot-size-sm));
  -webkit-mask-size: var(--dot-spacing) var(--dot-spacing);
  mask-size: var(--dot-spacing) var(--dot-spacing);
  -webkit-mask-position: 0 0, calc(var(--dot-spacing) / 2) calc(var(--dot-spacing) / 2);
  mask-position: 0 0, calc(var(--dot-spacing) / 2) calc(var(--dot-spacing) / 2);
  animation: dotPan var(--dot-speed) linear infinite;
}
.bg-shine::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -150%;
  width: 150%;
  height: 200%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent calc(50% - var(--shine-thickness) - 2%),
    rgba(180,200,255, var(--shine-opacity-edge)) calc(50% - var(--shine-thickness)),
    rgba(180,200,255, var(--shine-opacity-peak)) 50%,
    rgba(180,200,255, var(--shine-opacity-edge)) calc(50% + var(--shine-thickness)),
    transparent calc(50% + var(--shine-thickness) + 2%),
    transparent 100%
  );
  animation: pageSweep var(--shine-speed) linear infinite;
}
@keyframes pageSweep {
  0%   { transform: translateX(-50%) scaleX(1); }
  49.9%  { transform: translateX(300%) scaleX(1); }
  50%  { transform: translateX(300%) scaleX(-1); }
  99.9%  { transform: translateX(-50%) scaleX(-1); }
  100% { transform: translateX(-50%) scaleX(1); }
}

/* Page vignette — subtle darkening at all edges */
.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0, var(--vignette-opacity)) 100%);
}

/* --- Logo --- */
.logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
}
.logo-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
  margin-left: 2px;
  vertical-align: middle;
  position: relative;
  top: -4px;
}

/* --- Chip / Badge --- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 2.5px solid var(--border);
  padding: 7px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  font-family: 'IBM Plex Mono', monospace;
}

/* --- Live dot (used in chips and status indicators) --- */
.live {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(61,217,140,0.5);
  animation: blink 2s infinite;
  flex-shrink: 0;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

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

/* --- Buttons --- */
.btn {
  padding: 13px 30px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: 2px solid transparent;
  display: inline-block;
}
.btn-fill {
  background: var(--text);
  color: var(--bg);
}
.btn-fill:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(238,238,242,0.1);
}
.btn-outline {
  background: transparent;
  color: var(--text-mid);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--text-muted);
  color: var(--text);
  transform: translateY(-2px);
}

/* --- Aurora LED border ---
   Usage: add class="led-wrap" to any card element directly. No wrapper needed.
   Uses background-clip to show the gradient only in the border area.        --- */
@property --led-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes ledSpin {
  0%   { --led-angle: 0deg; }
  100% { --led-angle: 360deg; }
}
.led-wrap {
  position: relative;
  padding: var(--led-thickness);
  border-radius: var(--led-radius);
}
.led-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: var(--led-thickness);
  background: conic-gradient(
    from var(--led-angle),
    #1a6bff, #3dd9c0, #47e88a, #3dd9c0,
    #1a6bff, #6a4dff, #9b59ff, #6a4dff, #1a6bff
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: ledSpin var(--led-speed) linear infinite;
  pointer-events: none;
}

/* --- Wave text animation ---
   Usage: add class="wave-text" or "wave-sm" to an element,
   wrap each letter in <span class="wl">X</span>             --- */
.wave-text .wl,
.wave-sm .wl {
  display: inline-block;
  transition: transform 0.15s ease;
}
.wave-text:hover .wl { animation: wave 0.9s ease infinite; }
.wave-sm:hover   .wl { animation: waveSm 0.9s ease infinite; }

.wave-text:hover .wl:nth-child(1),  .wave-sm:hover .wl:nth-child(1)  { animation-delay: 0s; }
.wave-text:hover .wl:nth-child(2),  .wave-sm:hover .wl:nth-child(2)  { animation-delay: 0.1s; }
.wave-text:hover .wl:nth-child(3),  .wave-sm:hover .wl:nth-child(3)  { animation-delay: 0.2s; }
.wave-text:hover .wl:nth-child(4),  .wave-sm:hover .wl:nth-child(4)  { animation-delay: 0.3s; }
.wave-text:hover .wl:nth-child(5),  .wave-sm:hover .wl:nth-child(5)  { animation-delay: 0.35s; }
.wave-text:hover .wl:nth-child(6),  .wave-sm:hover .wl:nth-child(6)  { animation-delay: 0.4s; }
.wave-text:hover .wl:nth-child(7),  .wave-sm:hover .wl:nth-child(7)  { animation-delay: 0.45s; }
.wave-text:hover .wl:nth-child(8),  .wave-sm:hover .wl:nth-child(8)  { animation-delay: 0.5s; }
.wave-text:hover .wl:nth-child(9),  .wave-sm:hover .wl:nth-child(9)  { animation-delay: 0.55s; }
.wave-text:hover .wl:nth-child(10), .wave-sm:hover .wl:nth-child(10) { animation-delay: 0.6s; }
.wave-text:hover .wl:nth-child(11), .wave-sm:hover .wl:nth-child(11) { animation-delay: 0.65s; }
.wave-text:hover .wl:nth-child(12), .wave-sm:hover .wl:nth-child(12) { animation-delay: 0.7s; }

@keyframes wave {
  0%, 60%, 100% { transform: translateY(0); }
  25%            { transform: translateY(-5px); }
}
@keyframes waveSm {
  0%, 50%, 100% { transform: translateY(0); }
  20%            { transform: translateY(-3px); }
}

/* --- Cards ---
   .card              — base card (padding, radius, text-align)
   .card-glass        — frosted semi-transparent fill + backdrop blur (use inside .led-wrap)
   .card-bordered     — regular light border variant                                     */
.card {
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  text-align: center;
}
.card-glass {
  background: var(--surface);
  backdrop-filter: blur(var(--card-blur));
  -webkit-backdrop-filter: blur(var(--card-blur));
}
.card-bordered {
  background: var(--surface);
  border: var(--card-border-width) solid var(--border);
}
.card-bordered:hover {
  border-color: var(--border-hover);
}

@media (max-width: 480px) {
  .card { padding: var(--card-padding-mobile); }
}

/* --- Common fade-in entry animation --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}