/* app3 — coming soon */

:root {
  color-scheme: dark;
  --bg-0: #0e1013;
  --bg-1: #15181d;
  --bg-2: #1c2026;
  --line: rgba(255, 255, 255, 0.055);
  --line-soft: rgba(255, 255, 255, 0.026);
  --text: #c7cbd2;
  --text-glow: rgba(135, 173, 255, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  cursor: default;
}

body {
  min-width: 320px;
  background: var(--bg-0);
  color: var(--text);
  font-family:
    "Avenir Next",
    "Segoe UI",
    Inter,
    Helvetica,
    Arial,
    sans-serif;
  overflow: hidden;
}

.coming-soon {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100svh;
  isolation: isolate;
  overflow: hidden;
  background: #ccc;

  background-size:
    auto,
    auto,
    52px 52px,
    52px 52px,
    auto;
}

.coming-soon::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: #ccc;
  transform: translateX(-45%);
  opacity: .55;
}

.coming-soon::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  box-shadow:
    inset 0 0 180px rgba(0, 0, 0, .58),
    inset 0 0 36px rgba(255, 255, 255, .018);
}

.hero {
  position: relative;
  width: min(86vw, 1120px);
  padding: clamp(30px, 6vw, 78px) clamp(22px, 5vw, 64px);
  text-align: center;
  transform: translateY(-1.5vh);
}

/* ==================================================
   LOGO — start dopiero po dodaniu .intro-start przez JS
   ================================================== */

.logo-wrap {
  position: relative;
  margin-inline: auto;

  opacity: 0;
  -webkit-filter: brightness(.38);
  filter: brightness(.38);

  -webkit-transform: translateZ(0);
  transform: translateZ(0);

  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;

  will-change: opacity, filter;
}

html.intro-start .logo-wrap {
  opacity: 1;
  -webkit-filter: brightness(1);
  filter: brightness(1);

  -webkit-transition:
    opacity 2s ease-in-out,
    -webkit-filter 2s ease-in-out;

  transition:
    opacity 2s ease-in-out,
    filter 2s ease-in-out;
}

.logo-wrap::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 35%;
  z-index: -1;
  border-radius: 50%;
  background: rgba(26, 93, 255, .10);
  -webkit-filter: blur(48px);
  filter: blur(48px);
  transform: translateY(-50%);
}

.logo {
  display: block;
  width: 100%;
  max-width: 980px;
  height: auto;
  margin-inline: auto;

  -webkit-filter:
    drop-shadow(0 22px 36px rgba(0, 0, 0, .28))
    drop-shadow(0 0 22px rgba(15, 78, 255, .08));

  filter:
    drop-shadow(0 22px 36px rgba(0, 0, 0, .28))
    drop-shadow(0 0 22px rgba(15, 78, 255, .08));

  user-select: none;
  -webkit-user-drag: none;

  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

/* ==================================================
   SOON
   ================================================== */

.soon {
  margin: clamp(124px, 4.2vw, 52px) 0 0;
  color: #07244a;
  cursor: default !important;

  font-family:
    "Avenir Next",
    "Segoe UI",
    Inter,
    Helvetica,
    Arial,
    sans-serif;

  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.035em;

  text-shadow:
    0 1px 0 rgba(255, 255, 255, .03),
    0 0 24px var(--text-glow);
}

.soon::after {
  content: "";
  display: block;
  width: clamp(48px, 6vw, 78px);
  height: 1px;
  margin: clamp(16px, 2vw, 24px) auto 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(148, 177, 230, .52),
    transparent
  );
}

/* ==================================================
   COPYRIGHT — terminal
   22 znaki: © Jarosław Wolski APP3
   ================================================== */

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

  /*
    Stała szerokość dokładnie 22 znaków sprawia,
    że SAM NAPIS jest wycentrowany względem logo.
    Kursor nie wpływa na pozycję tekstu.
  */
  width: 22ch;

  margin: clamp(124px, 4.2vw, 52px) auto 0;
  overflow: visible;
  white-space: nowrap;
  color: #07244a;

  font-family:
    "SFMono-Regular",
    "SF Mono",
    Menlo,
    Monaco,
    "Cascadia Mono",
    Consolas,
    "Liberation Mono",
    monospace;

  font-size: .85rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;

  text-shadow:
    0 1px 0 rgba(255, 255, 255, .03),
    0 0 18px rgba(135, 173, 255, .12);
}

/* Usuwamy linię odziedziczoną po .soon::after. */
.copyright::after {
  content: none !important;
  display: none !important;
}

.copyright-text {
  display: inline-block;
  flex: 0 0 auto;

  width: 0;
  overflow: hidden;
  white-space: nowrap;

  -webkit-transform: translateZ(0);
  transform: translateZ(0);

  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;

  will-change: width;
}

/*
  Pisanie zaczyna się po 1.25 s,
  czyli jeszcze przed końcem 2-sekundowego rozjaśniania logo.
*/
html.intro-start .copyright-text {
  width: 22ch;

  -webkit-transition:
    width 2.2s steps(22, end) 1.25s;

  transition:
    width 2.2s steps(22, end) 1.25s;
}

/* ==================================================
   KURSOR TERMINALOWY
   ================================================== */

.terminal-cursor {
  display: inline-block;
  flex: 0 0 auto;

  width: .48em;
  height: .82em;
  margin-left: .08em;

  background: #07244a;
  opacity: 0;

  -webkit-transform: translateY(.01em) translateZ(0);
  transform: translateY(.01em) translateZ(0);
}

html.intro-start .terminal-cursor {
  -webkit-animation:
    cursor-appear .01s linear 1.25s forwards,
    cursor-blink .7s step-end 1.25s infinite;

  animation:
    cursor-appear .01s linear 1.25s forwards,
    cursor-blink .7s step-end 1.25s infinite;
}

@-webkit-keyframes cursor-appear {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes cursor-appear {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@-webkit-keyframes cursor-blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes cursor-blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ==================================================
   AMBIENT
   ================================================== */

.ambient {
  position: absolute;
  z-index: -3;
  width: 42vw;
  aspect-ratio: 1;
  border-radius: 50%;
  -webkit-filter: blur(90px);
  filter: blur(90px);
  opacity: .13;
  pointer-events: none;
}

.ambient--one {
  top: -24vw;
  right: -12vw;
  background: #aaa;
}

.ambient--two {
  bottom: -30vw;
  left: -16vw;
  background: #aaa;
}

@keyframes sheen {
  0%, 18% {
    transform: translateX(-55%);
    opacity: 0;
  }

  38% {
    opacity: .42;
  }

  62% {
    transform: translateX(55%);
    opacity: .16;
  }

  100% {
    transform: translateX(55%);
    opacity: 0;
  }
}

/* ==================================================
   TABLET / TELEFON
   ================================================== */

@media (max-width: 720px) {
  .hero {
    width: min(92vw, 620px);
    padding-inline: 12px;
  }

  .logo {
    width: 100%;
  }

  .soon {
    font-size: .8rem;
  }

  .copyright {
    font-size: .72rem;
  }

  .terminal-cursor {
    width: .46em;
    height: .80em;
    margin-left: .07em;
  }
}

/* ==================================================
   MAŁE TELEFONY / iPhone
   ================================================== */

@media (max-width: 420px) {
  .hero {
    width: 94vw;
  }

  .soon {
    font-size: .8rem;
  }

  .copyright {
    font-size: .68rem;
  }

  .terminal-cursor {
    width: .44em;
    height: .78em;
    margin-left: .06em;
  }
}