/* ============================================================
   Kapsuły Mody: Nowa Fala — landing styles
   ============================================================ */

:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: rgba(0, 0, 0, 0.55);
  --faint: rgba(0, 0, 0, 0.3);
  --line: rgba(0, 0, 0, 0.12);
  --ph-bg: #ededed;
  --ph-fg: rgba(0, 0, 0, 0.35);
  --content: 1280px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 9vw, 8rem);
  --rhythm: clamp(1rem, 1.6vw, 1.25rem);

  --fs-mega: clamp(2.75rem, 8vw, 6rem);
  --fs-h1: clamp(2.25rem, 6vw, 4.5rem);
  --fs-h2: clamp(1.875rem, 4.5vw, 3.5rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.625rem);
  --fs-body: clamp(1rem, 1.1vw, 1.125rem);
  --fs-meta: 11px;

  --easing: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; height: auto; }
p { margin: 0 0 var(--rhythm); }
p:last-child { margin-bottom: 0; }

/* ============================================================
   Layout primitives
   ============================================================ */

.section {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  max-width: var(--content);
  margin: 0 auto;
}

.section-tight {
  padding: clamp(2rem, 4vw, 4rem) var(--gutter);
  max-width: var(--content);
  margin: 0 auto;
}

.eyebrow {
  font-size: var(--fs-meta);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-weight: 500;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

h2 {
  font-size: var(--fs-h2);
  margin: 0 0 clamp(1.25rem, 2vw, 2rem);
}

h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; }
h4 { font-size: 1.0625rem; letter-spacing: -0.005em; }

/* ============================================================
   Header
   ============================================================ */

.site-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 2rem;
  padding: clamp(1.5rem, 3vw, 2.5rem) var(--gutter);
  max-width: var(--content);
  margin: 0 auto;
}

.brand {
  font-size: var(--fs-mega);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.92;
  display: flex;
  flex-direction: column;
}

.brand-line { display: block; }

/* Wave-letters w "Nowa Fala" — kazda litera musi byc inline-block
   zeby transform translateY zadzialal. .brand-char ustawia to z JS,
   ale dla bezpieczenstwa duplicate w CSS. */
.brand-accent .brand-char {
  display: inline-block;
  will-change: transform;
}

.site-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  text-align: right;
}

.nav-link {
  font-size: var(--fs-meta);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s var(--easing);
}
.nav-link:hover { color: var(--fg); }

.nav-cta { display: inline-block; }
.nav-cta-frame {
  display: inline-block;
  border: 1px solid var(--fg);
  padding: 0.5rem 0.85rem;
  font-size: var(--fs-meta);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background-color 0.25s var(--easing), color 0.25s var(--easing);
  /* draw-border animation entrypoint (GSAP toggles inline transform-origin) */
}
.nav-cta:hover .nav-cta-frame {
  background: var(--fg);
  color: var(--bg);
}

.nav-meta {
  margin: 0.5rem 0 0;
  font-size: var(--fs-meta);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.6;
}

/* Data wydarzenia — duża i czytelna, prawy górny róg (per layout) */
.nav-date {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
  text-align: right;
}

.nav-date-day {
  font-size: clamp(1.5rem, 2.6vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--fg);
}

.nav-date-hour {
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--fg);
}

.nav-date-place {
  margin-top: 0.35rem;
  font-size: var(--fs-meta);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

/* ============================================================
   Intro
   ============================================================ */

.intro {
  max-width: 56rem;
  padding-top: clamp(1.5rem, 3vw, 3rem);
  padding-bottom: clamp(1.5rem, 3vw, 3rem);
}

.intro-text {
  font-size: clamp(1.0625rem, 1.5vw, 1.375rem);
  line-height: 1.55;
  color: var(--fg);
}

.intro-text strong { font-weight: 700; }

/* ============================================================
   Hero image
   ============================================================ */

.hero-image {
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: clamp(280px, 50vw, 620px);
  object-fit: cover;
  object-position: center;
  transition: transform 0.8s var(--easing);
}

.hero-image:hover img { transform: scale(1.025); }

/* ============================================================
   Subhead
   ============================================================ */

.subhead { max-width: 56rem; }

.lead {
  font-size: clamp(1.125rem, 1.6vw, 1.5rem);
  line-height: 1.45;
  color: var(--fg);
  font-weight: 500;
}

/* ============================================================
   Split sections (asymetria 5/7 i 7/5)
   ============================================================ */

.split {
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.split-right { grid-template-columns: 7fr 5fr; }
.split-left  { grid-template-columns: 5fr 7fr; }

.split-text { padding-top: 0.5rem; }

.split-media {
  overflow: hidden;
  background: var(--ph-bg);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--easing);
}

.split-media:hover img { transform: scale(1.03); }

.split-media-tall { aspect-ratio: 3 / 4; }
.split-media:not(.split-media-tall) { aspect-ratio: 4 / 3; }

/* ------------------------------------------------------------
   Media carousel — 3 zdjęcia crossfade w pętli (auto, bez UI).
   Warstwy ułożone na sobie; aktywna ma opacity 1, reszta 0.
   JS przełącza klasę .is-active; CSS robi crossfade.
   ------------------------------------------------------------ */
.media-carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s var(--easing);
}

.carousel-slide.is-active { opacity: 1; }

/* Hover scale działa na aktywnym slajdzie jak w innych mediach */
.split-media:hover .carousel-slide.is-active { transform: scale(1.03); }
.carousel-slide.is-active { transition: opacity 1.2s var(--easing), transform 0.8s var(--easing); }

/* ============================================================
   SPLOT section
   ============================================================ */

.splot-heading {
  max-width: 22ch;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.splot-cta {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--fg);
  font-size: var(--fs-meta);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  transition: background-color 0.25s var(--easing), color 0.25s var(--easing), transform 0.25s var(--easing);
}
.splot-cta:hover {
  background: var(--fg);
  color: var(--bg);
  transform: translateY(-1px);
}
.splot-cta .arrow {
  transition: transform 0.25s var(--easing);
}
.splot-cta:hover .arrow { transform: translateX(4px); }

/* ============================================================
   Agenda
   ============================================================ */

.agenda-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.agenda-item {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.agenda-when {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.agenda-date {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.agenda-time {
  font-size: var(--fs-meta);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.agenda-what h3 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
}

.agenda-what p { color: var(--muted); margin: 0; }

/* ============================================================
   Team grid (per Kariz Marketing reference)
   ============================================================ */

.team-intro {
  max-width: 50rem;
  margin-bottom: clamp(2.5rem, 5vw, 5rem);
}

.team-lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  margin-top: 1rem;
}

.team-group { margin-top: clamp(2.5rem, 5vw, 5rem); }
.team-group:first-of-type { margin-top: 0; }

.team-group-title {
  font-size: var(--fs-meta);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.team-card {
  display: flex;
  flex-direction: column;
}

.team-photo {
  aspect-ratio: 1 / 1;
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--ph-bg);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--easing);
}

.team-card:hover .team-photo img { transform: scale(1.04); }

.team-card h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: var(--fs-meta);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.team-bio {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ============================================================
   Closing CTA
   ============================================================ */

.closing {
  text-align: center;
  padding-top: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(5rem, 10vw, 10rem);
}

.closing-cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: clamp(2rem, 4vw, 3rem) clamp(2rem, 5vw, 5rem);
  border: 1px solid var(--fg);
  transition: background-color 0.3s var(--easing), color 0.3s var(--easing), transform 0.3s var(--easing);
}

.closing-cta:hover {
  background: var(--fg);
  color: var(--bg);
  transform: translateY(-2px);
}

.closing-eyebrow {
  font-size: var(--fs-meta);
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.closing-title {
  font-size: clamp(1.5rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.closing-arrow {
  font-size: 1.5rem;
  transition: transform 0.3s var(--easing);
}

.closing-cta:hover .closing-arrow { transform: translateX(8px); }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter) clamp(2rem, 4vw, 3rem);
  text-align: center;
  border-top: 1px solid var(--line);
  font-size: var(--fs-meta);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}

.footer-partners {
  max-width: var(--content);
  margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
  padding: 0 clamp(0.5rem, 2vw, 2rem);
}

.footer-partners-bar {
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
  display: block;
}

.footer-sponsors {
  max-width: var(--content);
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  padding: clamp(1.25rem, 2.5vw, 2rem) clamp(0.5rem, 2vw, 2rem) 0;
  border-top: 1px solid var(--line);
}

.footer-sponsors-bar {
  width: 100%;
  max-width: 1200px;
  height: auto;
  margin: 0 auto;
  display: block;
}

.footer-credit {
  margin: 0;
  color: var(--faint);
}

/* ============================================================
   Image fallback placeholder (onerror)
   ============================================================ */

img.img-fallback {
  display: none;
}

.img-fallback,
[data-image] img.img-fallback + .img-fallback-after,
.split-media:has(img.img-fallback),
.team-photo:has(img.img-fallback),
.hero-image:has(img.img-fallback) {
  background: var(--ph-bg);
}

[data-image]:has(img.img-fallback)::after {
  content: "zdjęcie wkrótce";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--ph-fg);
  font-size: var(--fs-meta);
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

[data-image] {
  position: relative;
}

/* ============================================================
   Reveal animation initial state (JS toggles via GSAP).
   Without JS / reduced-motion — pokazujemy normalnie.
   ============================================================ */

.js-anim [data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  will-change: transform, opacity;
}

.js-anim [data-image] img {
  clip-path: inset(100% 0 0 0);
  will-change: clip-path, transform;
}

/* Slajdy carousela nie mają clip-path reveal — cały kontener
   carousela dostaje wspólny reveal (patrz main.js), inaczej
   pojedyncze warstwy by się rozjechały. */
.js-anim [data-image] .carousel-slide { clip-path: none; }

.js-anim .brand-line {
  display: inline-block;
  overflow: hidden;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 880px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .site-nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    text-align: left;
  }
  .nav-meta {
    width: 100%;
    text-align: left;
    margin-top: 0;
  }

  .nav-date {
    align-items: flex-start;
    text-align: left;
  }

  .split-right,
  .split-left {
    grid-template-columns: 1fr;
  }

  /* Stack: na mobile zdjęcie zawsze pod tekstem dla obu wariantów */
  .split-left .split-media { order: -1; }

  .agenda-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

@media (max-width: 540px) {
  .brand { font-size: clamp(2.25rem, 11vw, 3.5rem); }
  .team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 380px) {
  .team-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Reduced motion — wyłącz wszystkie animacje
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js-anim [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .js-anim [data-image] img {
    clip-path: none !important;
  }
}