/* =====================================================================
   Dominik Kownacki — Portfolio
   Style główne: motywy (jasny/ciemny), matowe szkło, układ, animacje.
   Paleta świadomie monochromatyczna (chłodne szarości / błękity).
   ===================================================================== */

/* ---------- Zmienne motywów ---------- */
:root {
  --radius: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --glass-blur: 18px;
  --torch-size: 320px; /* zasięg „latarki" kursora (większy = szersza poświata) */

  color-scheme: light;
}

/* Motyw JASNY */
:root[data-theme="light"] {
  --text: #2a3441;
  --text-2: #51606f;
  --text-soft: rgba(42, 52, 65, 0.6);
  --accent: #46566a;

  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-border: rgba(255, 255, 255, 0.72);
  --glass-shadow: 0 14px 44px rgba(40, 55, 80, 0.14);
  --glass-hover-shadow: 0 22px 60px rgba(40, 55, 80, 0.2);

  --hairline: rgba(30, 40, 55, 0.1);
  --footer-bg: rgba(255, 255, 255, 0.45);

  --torch-color: rgba(74, 116, 188, 0.65); /* świecenie krawędzi przy kursorze */
  --torch-glow: rgba(90, 130, 200, 0.12);  /* delikatny blask wewnątrz szkła */

  color-scheme: light;
}

/* Motyw CIEMNY */
:root[data-theme="dark"] {
  --text: #ecebe8;
  --text-2: #b4afa8;
  --text-soft: rgba(236, 235, 232, 0.6);
  --accent: #b9b2a8;

  --glass-bg: rgba(44, 42, 39, 0.46);
  --glass-border: rgba(196, 188, 176, 0.18);
  --glass-shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
  --glass-hover-shadow: 0 26px 66px rgba(0, 0, 0, 0.72);

  --hairline: rgba(200, 192, 182, 0.14);
  --footer-bg: rgba(18, 17, 16, 0.5);

  --torch-color: rgba(224, 214, 198, 0.6); /* świecenie krawędzi przy kursorze */
  --torch-glow: rgba(214, 204, 188, 0.02); /* delikatny blask wewnątrz szkła */

  color-scheme: dark;
}

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

html,
body {
  height: 100%;
  margin: 0;
}

body {
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  overflow-x: hidden;
  transition: color 0.6s var(--ease);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Warstwy tła (stonowane, monochromatyczne) ---------- */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
  pointer-events: none;
}

.bg-layer--light {
  background:
    radial-gradient(1100px 700px at 80% -10%, rgba(150, 168, 196, 0.22), transparent 60%),
    radial-gradient(950px 650px at 8% 112%, rgba(158, 176, 200, 0.2), transparent 60%),
    linear-gradient(160deg, #eef1f6 0%, #f7f9fc 50%, #edf0f5 100%);
}

.bg-layer--dark {
  background:
    radial-gradient(1100px 720px at 82% -10%, rgba(58, 54, 50, 0.4), transparent 60%),
    radial-gradient(950px 680px at 6% 112%,  rgba(44, 41, 38, 0.4), transparent 60%),
    linear-gradient(160deg, #1a1918 0%, #151414 52%, #0f0e0e 100%);
}

:root[data-theme="light"] .bg-layer--light,
:root[data-theme="dark"] .bg-layer--dark {
  opacity: 1;
}

/* ---------- Płótno z rybkami ---------- */
#fish-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none; /* nie blokuje klikania w UI */
}

/* ---------- Efekt matowego szkła ---------- */
.glass {
  position: relative;
  isolation: isolate;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius);
  transition: background 0.6s var(--ease), border-color 0.6s var(--ease),
    box-shadow 0.45s var(--ease), transform 0.45s var(--ease);
}

/* --- Efekt „latarki": świecąca krawędź podążająca za kursorem ---
   Pozycję (--mx/--my) i intensywność (--torch-opacity) ustawia main.js
   dla każdego okienka osobno, zależnie od odległości kursora. */
.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.6px; /* grubość świecącej obwódki */
  background: radial-gradient(
    var(--torch-size) circle at var(--mx, -300px) var(--my, -300px),
    var(--torch-color) 0%,
    transparent 55%
  );
  /* maska zostawia tylko obwódkę (pierścień), nie całe wnętrze */
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: var(--torch-opacity, 0);
  transition: opacity 0.25s var(--ease);
  pointer-events: none;
}

/* Delikatny blask wewnątrz szkła (pod treścią) */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(
    var(--torch-size) circle at var(--mx, -300px) var(--my, -300px),
    var(--torch-glow) 0%,
    transparent 60%
  );
  opacity: var(--torch-opacity, 0);
  transition: opacity 0.25s var(--ease);
  pointer-events: none;
}

/* ---------- Przełącznik motywu ---------- */
.theme-toggle {
  position: fixed;
  top: clamp(16px, 2.5vw, 28px);
  right: clamp(16px, 2.5vw, 28px);
  z-index: 50;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
  color: var(--text);
  border-radius: 50%;
}

.theme-toggle:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--glass-hover-shadow);
}

.theme-toggle:active {
  transform: translateY(0) scale(0.97);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.theme-toggle .icon {
  position: absolute;
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease);
}

/* W trybie jasnym widać słońce, w ciemnym księżyc */
:root[data-theme="light"] .icon--moon,
:root[data-theme="dark"] .icon--sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.4);
}

:root[data-theme="light"] .icon--sun,
:root[data-theme="dark"] .icon--moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* ---------- Układ strony ---------- */
.page {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 4vw, 48px);
  padding: clamp(80px, 12vh, 130px) clamp(20px, 5vw, 48px) clamp(48px, 8vh, 80px);
  width: min(1100px, 100%);
  margin-inline: auto;
}

/* ---------- Nagłówek (hero) ---------- */
.hero {
  text-align: center;
  padding: clamp(28px, 5vw, 52px) clamp(28px, 6vw, 72px);
  animation: rise 0.9s var(--ease) both;
}

.hero__name {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.04;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__tagline {
  margin: 0.6rem 0 0;
  font-size: clamp(0.8rem, 1.6vw, 1rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.42em;
  padding-left: 0.42em;
  color: var(--text-soft);
}

/* ---------- Kategorie ---------- */
.categories {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}

.category {
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 170px;
  animation: rise 0.9s var(--ease) both;
}

/* Delikatne kaskadowe wejście kart */
.category:nth-child(1) { animation-delay: 0.08s; }
.category:nth-child(2) { animation-delay: 0.16s; }
.category:nth-child(3) { animation-delay: 0.24s; }

.category:hover {
  transform: translateY(-6px);
  box-shadow: var(--glass-hover-shadow);
}

.category__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.category__note {
  margin: 0;
  color: var(--text-soft);
  font-style: italic;
  font-size: 0.95rem;
}

/* ---------- Lista podkategorii (napisy z efektem hover) ---------- */
.sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sub-link {
  display: inline-block;
  width: max-content;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 1.02rem;
  cursor: pointer;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.sub-link:hover {
  color: var(--text);
  transform: translateX(10px);
}

/* ---------- Stopka ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  border-top: 1px solid var(--hairline);
  background: var(--footer-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  transition: background 0.6s var(--ease), border-color 0.6s var(--ease);
}

.site-footer__inner {
  width: min(1100px, 100%);
  margin-inline: auto;
  padding: 18px clamp(20px, 5vw, 48px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  justify-content: space-between;
  color: var(--text-soft);
  font-size: 0.85rem;
}

.site-footer__brand {
  font-weight: 600;
  color: var(--text);
}

/* ---------- Animacje ---------- */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Dostępność: ograniczony ruch ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.08s !important;
  }
}