/* ============================================================
   DWA ŚWIATŁA — style.css
   Paleta: głęboka czerń (#0D0B09), off-white (#F2EDE4), złoto (#C4A96A)
   Fonty: Cormorant Garamond (serif, italic) | DM Sans (body) | IBM Plex Mono (meta)
   ============================================================ */

/* ---- 0. Custom properties ---- */
:root {
  --bg:          #0D0B09;
  --bg-lift:     #141210;
  --bg-card:     #1A1714;
  --gold:        #C4A96A;
  --gold-dim:    rgba(196,169,106,.35);
  --text:        #F2EDE4;
  --text-muted:  #9A9088;
  --border:      #2A2620;

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'DM Sans', system-ui, sans-serif;
  --font-mono:   'IBM Plex Mono', monospace;

  --radius-sm:   3px;
  --radius-md:   8px;

  --nav-h:       64px;
  --container:   1160px;
  --gutter:      clamp(1.25rem, 5vw, 2.5rem);
}

/* ---- 1. Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.8vw, 1.0625rem);
  line-height: 1.8;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s;
}
a:hover { color: var(--text); }
a:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

ul, ol { list-style: none; }
em { font-style: italic; }

/* ---- 2. Utilities ---- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.section-label {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Reveal */
.reveal-fade {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal-fade.visible {
  opacity: 1;
  transform: none;
}

/* ---- 3. Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background .2s, color .2s, border-color .2s;
  padding: .75rem 1.75rem;
  border: 1px solid transparent;
}

/* Hero buttons */
.btn--hero {
  background: transparent;
  color: var(--text);
  border-color: var(--gold);
}
.btn--hero:hover {
  background: var(--gold);
  color: var(--bg);
}

.btn--hero-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn--hero-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* Gold CTA */
.btn--gold {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
  font-weight: 400;
}
.btn--gold:hover {
  background: #b09558;
  border-color: #b09558;
  color: var(--bg);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold-dim);
}
.btn--outline:hover {
  border-color: var(--gold);
}

.btn--full { width: 100%; justify-content: center; }

/* ---- 4. Navigation ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(13,11,9,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav__logo { text-decoration: none; }
.nav__logo-text {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: 1.375rem;
  color: var(--text);
  letter-spacing: .02em;
  transition: color .2s;
}
.nav__logo:hover .nav__logo-text { color: var(--gold); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.nav__link:hover { color: var(--text); }

.nav__link--gold {
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: .375rem .875rem;
  border-radius: var(--radius-sm);
}
.nav__link--gold:hover {
  color: var(--bg);
  background: var(--gold);
  border-color: var(--gold);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.nav__toggle-bar {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text);
  transition: transform .2s, opacity .2s;
}

/* ---- 5. Hero (100vh) ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  margin: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Vignette: filmowy klimat + silna warstwa pod tekstem (lewy dolny róg) */
.hero__vignette {
  position: absolute;
  inset: 0;
  background:
    /* tekst siedzi w lewym dolnym rogu — tu musi być ciemno */
    linear-gradient(to top right,
      rgba(13,11,9,.92) 0%,
      rgba(13,11,9,.6)  35%,
      transparent       65%
    ),
    /* przyciemnienie góry (nav) */
    linear-gradient(to bottom,
      rgba(13,11,9,.55) 0%,
      transparent 22%
    ),
    /* delikatne ściemnienie krawędzi */
    radial-gradient(ellipse at 60% 40%, transparent 35%, rgba(13,11,9,.45) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter) clamp(4rem, 10vh, 7rem);
  max-width: min(780px, 90vw);
}

.hero__heading {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.25rem, 6vw, 5rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--text);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(13,11,9,.7), 0 1px 4px rgba(13,11,9,.5);
}

.hero__sub {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 300;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 8px rgba(13,11,9,.8);
  display: block;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: var(--gutter);
  z-index: 2;
}

.hero__scroll-arrow {
  display: block;
  font-size: 1.25rem;
  color: var(--text-muted);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: .6; }
  50%       { transform: translateY(8px); opacity: 1; }
}

/* ---- 6. Gallery ---- */
.gallery {
  background: var(--bg);
  padding-top: clamp(4rem, 8vw, 7rem);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
}

.gallery__item {
  margin: 0;
  line-height: 0;
  overflow: hidden;
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.gallery__item:hover img {
  transform: scale(1.02);
}

/* Rozmiary grid */
.gallery__item--full       { grid-column: 1 / -1; aspect-ratio: 16/8; }
.gallery__item--wide       { grid-column: span 7; aspect-ratio: 4/5; }
.gallery__item--narrow     { grid-column: span 5; aspect-ratio: 4/5; }
.gallery__item--two-thirds { grid-column: span 8; aspect-ratio: 4/3; }
.gallery__item--one-third  { grid-column: span 4; aspect-ratio: 4/3; }
.gallery__item--third      { grid-column: span 4; aspect-ratio: 4/5; }

/* Dark spacer row — jak ciemna przerwa w książce fotograficznej */
.gallery__grid::after {
  content: '';
  grid-column: 1 / -1;
  height: clamp(2rem, 5vw, 4rem);
  background: var(--bg);
}

.gallery__footer {
  text-align: center;
  padding-block: 3rem;
}

.gallery__all-link {
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 300;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: .25rem;
  transition: color .2s, border-color .2s;
}
.gallery__all-link:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---- 7. Process (Typ C) ---- */
.process {
  padding-block: clamp(5rem, 10vw, 8rem);
  background: var(--bg-lift);
}

.process__header {
  margin-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.process__heading {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.process__heading em { font-style: italic; color: var(--gold); }

.process__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 860px;
}

/* Vertical timeline line */
.process__list::before {
  content: '';
  position: absolute;
  left: 66px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.process__step {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 2rem;
  padding-block: 2.75rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.process__step:last-child { border-bottom: none; }

/* Dot on the timeline */
.process__step::before {
  content: '';
  position: absolute;
  left: 62px;
  top: calc(2.75rem + 1.125rem);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--bg-lift);
  z-index: 1;
}

.process__step-num {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 3rem;
  line-height: 1;
  color: var(--gold);
  opacity: .35;
  letter-spacing: -.03em;
  padding-top: .25rem;
  text-align: right;
  padding-right: 2rem;
}

.process__step-title {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 300;
  letter-spacing: -.01em;
  margin-bottom: .875rem;
}

.process__step-text {
  font-size: .9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.process__meta {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-left: 2px solid var(--gold-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.process__meta span {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-muted);
  letter-spacing: .04em;
  white-space: nowrap;
}

/* ---- 8. About ---- */
.about {
  padding-block: clamp(5rem, 10vw, 8rem);
  background: var(--bg);
}

.about__header {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.about__heading {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.about__heading em { font-style: italic; color: var(--gold); }

.about__inner {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.about__photos {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: .25rem;
}

.about__photo { margin: 0; }
.about__photo img {
  width: 100%;
  object-fit: cover;
}
.about__photo--main img { aspect-ratio: 4/5; }
.about__photo--secondary img { aspect-ratio: 16/7; }

.about__text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1.375rem;
}
.about__text strong { color: var(--text); font-weight: 400; }

.about__quote {
  border-left: 2px solid var(--gold-dim);
  padding-left: 1.5rem;
  margin-block: 2.25rem;
}
.about__quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.1875rem, 2.5vw, 1.5rem);
  font-weight: 300;
  line-height: 1.6;
  color: var(--text);
}
.about__quote-source {
  margin-top: .75rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.about__credentials {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.about__credentials li {
  font-size: .875rem;
  color: var(--text-muted);
  font-weight: 300;
  padding-left: 1rem;
  position: relative;
}
.about__credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .65em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  opacity: .5;
}

/* ---- 9. Contact ---- */
.contact {
  padding-block: clamp(5rem, 10vw, 8rem);
  background: var(--bg-lift);
}

.contact__header {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.contact__heading {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin-bottom: 1.25rem;
}
.contact__heading em { font-style: italic; color: var(--gold); }

.contact__availability {
  font-size: .9375rem;
  color: var(--text-muted);
}
.contact__availability strong {
  color: var(--gold);
  font-weight: 400;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}

.contact__note {
  margin-top: 1.25rem;
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* Contact info */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact__detail { display: flex; flex-direction: column; gap: .25rem; }
.contact__detail-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  font-weight: 300;
}
.contact__detail-val {
  font-size: .9375rem;
  color: var(--text);
  line-height: 1.7;
  font-style: normal;
}
.contact__email {
  color: var(--gold);
  text-decoration: none;
}
.contact__email:hover { text-decoration: underline; }
a.contact__detail-val { color: var(--text); text-decoration: none; }
a.contact__detail-val:hover { color: var(--gold); }

.map-placeholder {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.map-placeholder svg { width: 100%; height: auto; }
.contact__map-note {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .5rem;
  font-style: italic;
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.125rem;
}

.form-field { display: flex; flex-direction: column; gap: .375rem; }

.form-field label {
  font-size: .8125rem;
  font-weight: 300;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: .75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 300;
  transition: border-color .2s, box-shadow .2s;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(196,169,106,.12);
}
.form-field input.invalid,
.form-field textarea.invalid { border-color: #922; }
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(.6); }

.form-field__error {
  font-size: .8125rem;
  color: #d44;
  min-height: 1.2em;
  font-style: italic;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: 16px; height: 16px; min-width: 16px;
  margin-top: .25rem;
  accent-color: var(--gold);
  cursor: pointer;
}
.checkbox-text {
  font-size: .8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 300;
}

.form-success {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--gold);
  padding: 1rem 1.25rem;
  background: rgba(196,169,106,.08);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* ---- 10. Footer ---- */
.site-footer {
  padding-block: 3rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.footer__logo {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.375rem;
  letter-spacing: .02em;
  margin-bottom: .375rem;
  color: var(--text);
}
.footer__sub {
  font-size: .8125rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 300;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  text-align: center;
}
.footer__nav a {
  font-size: .8125rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 300;
}
.footer__nav a:hover { color: var(--gold); }

.footer__contact { text-align: right; }
.footer__email {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--gold);
  text-decoration: none;
  display: block;
  margin-bottom: .75rem;
}
.footer__legal {
  display: flex;
  gap: .5rem;
  justify-content: flex-end;
  font-size: .75rem;
  font-weight: 300;
}
.footer__legal a { color: var(--text-muted); text-decoration: none; }
.footer__legal span { color: var(--border); }

.footer__demo {
  font-size: .8125rem;
  color: var(--text-muted);
  text-align: center;
  font-weight: 300;
}
.footer__demo a { color: var(--text-muted); }

/* ---- 11. Responsive ---- */
@media (max-width: 1100px) {
  .about__inner { grid-template-columns: 1fr 1fr; }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  /* Gallery collapses to 2-col */
  .gallery__item--full       { aspect-ratio: 16/7; }
  .gallery__item--wide       { grid-column: span 12; aspect-ratio: 4/3; }
  .gallery__item--narrow     { grid-column: span 12; aspect-ratio: 4/3; }
  .gallery__item--two-thirds { grid-column: span 12; aspect-ratio: 4/3; }
  .gallery__item--one-third  { grid-column: span 12; aspect-ratio: 4/3; }
  .gallery__item--third      { grid-column: span 6; aspect-ratio: 1/1; }

  .about__inner { grid-template-columns: 1fr; }
  .about__photo--main img { aspect-ratio: 16/9; }

  .process__list::before { left: 48px; }
  .process__step { grid-template-columns: 96px 1fr; }
  .process__step::before { left: 44px; }
  .process__step-num { font-size: 2.25rem; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__contact { text-align: left; }
  .footer__legal { justify-content: flex-start; }
  .footer__nav ul { text-align: left; }

  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav__menu {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(13,11,9,.97);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem var(--gutter);
    gap: .25rem;
  }
  .nav__menu.open { display: flex; }
  .nav__toggle { display: flex; }
  .nav__link {
    font-size: .875rem;
    padding: .5rem 0;
  }
  .nav__link--gold {
    border: none;
    padding: .5rem 0;
    background: none;
    color: var(--gold);
  }

  .hero__heading { font-size: clamp(1.875rem, 7vw, 2.75rem); }
  .hero__actions { flex-direction: column; align-items: flex-start; }

  .gallery__item--third { grid-column: span 12; }

  .process__list::before { display: none; }
  .process__step { grid-template-columns: 1fr; gap: .75rem; }
  .process__step::before { display: none; }
  .process__step-num { text-align: left; padding-right: 0; font-size: 2rem; }
  .process__meta span { white-space: normal; }
}

/* ---- 12. Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-fade { opacity: 1; transform: none; transition: none; }
  .hero__scroll-arrow { animation: none; }
  .gallery__item img { transition: none; }
}