/* ============================================================
   SH Studio — monochrom, typografia, pora dnia
   Tryby: html[data-mode="dawn|morning|day|evening|night"]
   ============================================================ */

:root {
  --font-sans: "Space Grotesk", system-ui, sans-serif;
  --font-serif: "Rokkitt", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(1.25rem, 5vw, 5rem);
}

/* ---------- palety + typografia per pora dnia (mono, tylko szarości) ---------- */

/* krój nagłówków ujednolicony na bazie trybu "świt" — jedyna zmienna to paleta */

:root {
  --display-font: var(--font-sans);
  --display-weight: 700;
  --display-style: normal;
  --display-transform: uppercase;
  --display-tracking: -0.04em;
  --accent-style: italic;
}

html[data-mode="dawn"] {
  --bg: #f6f5f2;
  --ink: #22211f;
  --muted: #8a8884;
  --line: #dcdad5;
}

html[data-mode="morning"] {
  --bg: #fdfdfc;
  --ink: #181818;
  --muted: #7d7d7d;
  --line: #e4e4e2;
}

html[data-mode="day"] {
  --bg: #ffffff;
  --ink: #000000;
  --muted: #6f6f6f;
  --line: #e0e0e0;
}

html[data-mode="evening"] {
  --bg: #201f1e;
  --ink: #e9e6e0;
  --muted: #8f8c86;
  --line: #3a3936;
}

html[data-mode="night"] {
  --bg: #0b0b0b;
  --ink: #efefef;
  --muted: #6e6e6e;
  --line: #262626;
}

/* ---------- reset / baza ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 380;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 1.2s var(--ease-out), color 1.2s var(--ease-out);
  overflow-x: hidden;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

em {
  font-style: var(--accent-style);
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

/* ---------- pasek postępu dnia ---------- */

.day-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 100;
  background: transparent;
}

.day-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--ink);
  transition: width 1s linear, background 1.2s var(--ease-out);
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter) 1rem;
  mix-blend-mode: normal;
}

.logo {
  color: var(--ink);
  display: inline-flex;
  transition: color 1.2s var(--ease-out), transform 0.5s var(--ease-out);
}
.logo:hover {
  transform: rotate(-4deg) scale(1.05);
}
.logo svg {
  display: block;
}

.header-meta {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  color: var(--muted);
  transition: color 1.2s var(--ease-out);
}

.clock {
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  transition: color 1.2s var(--ease-out);
}

/* ---------- hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem var(--gutter) 4rem;
}

.display {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: clamp(12rem, 42vh, 28rem);
  font-family: var(--display-font);
  font-weight: var(--display-weight);
  font-style: var(--display-style);
  text-transform: var(--display-transform);
  letter-spacing: var(--display-tracking);
  font-size: clamp(1.5rem, 4.2vw, 5rem);
  line-height: 0.82;
  text-align: left;
  transition: color 1.2s var(--ease-out);
}

.typewriter {
  display: block;
  width: 100%;
  max-width: 100%;
}

.typewriter-text {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 0;
}

/* ---------- swiss hero — każde słowo wypełnia szerokość kontenera ---------- */

.typewriter-text .word {
  display: block;
  width: 100%;
  white-space: nowrap;
  transform-origin: left center;
  backface-visibility: hidden;
  will-change: transform, opacity;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.82;
}

.typewriter-text .word--light {
  font-weight: 300;
}

.hero-cta {
  margin-top: clamp(2rem, 5vh, 4rem);
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  padding: 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out),
    border-color 1.2s var(--ease-out);
}

.hero-cta:hover {
  background: var(--ink);
  color: var(--bg);
}

.cta-arrow {
  display: block;
  line-height: 1;
  transition: transform 0.4s var(--ease-out);
}
.hero-cta:hover .cta-arrow {
  transform: translateY(4px);
}

/* ---------- sekcje ---------- */

.section {
  padding: clamp(5rem, 14vh, 10rem) var(--gutter);
  border-bottom: 1px solid var(--line);
  transition: border-color 1.2s var(--ease-out);
}

.section:last-of-type {
  border-bottom: none;
}

.section-index {
  display: block;
  color: var(--muted);
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
  transition: color 1.2s var(--ease-out);
}

/* ---------- kontakt ---------- */

.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.75rem, 4vh, 2.75rem);
}

.contact-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.contact-row dt {
  color: var(--muted);
  transition: color 1.2s var(--ease-out);
}

.contact-row dd {
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  font-weight: 100;
}

.u-link {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--ink), var(--ink));
  background-repeat: no-repeat;
  background-size: 0% 1px;
  background-position: 0 100%;
  transition: background-size 0.5s var(--ease-out);
  padding-bottom: 2px;
}

.u-link:hover {
  background-size: 100% 1px;
}

/* ---------- fade-in przy scrollu ---------- */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- footer ---------- */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem var(--gutter) 2.5rem;
  color: var(--muted);
  transition: color 1.2s var(--ease-out);
}

/* ---------- responsywność ---------- */

@media (max-width: 640px) {
  .header-meta {
    gap: 0.9rem;
  }
  .mode-label {
    display: none;
  }
  .hero {
    padding-top: 6rem;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .typewriter-text .word {
    opacity: 1;
    filter: none;
    transform: none;
    animation: none;
  }
}