/* ==========================================================================
   SZP PLAST — landing page
   Paleta: grafit / papier techniczny / pomarańcz sygnałowy
   ========================================================================== */

:root {
  --ink: #1b1f23;
  --ink-soft: #4a5259;
  --paper: #f4f3ef;
  --paper-deep: #e9e7e0;
  --dark: #14171a;
  --dark-soft: #1e2328;
  --accent: #f2540c;
  --accent-soft: #ff7a3d;
  --line: rgba(27, 31, 35, 0.14);
  --line-light: rgba(244, 243, 239, 0.16);
  --radius: 6px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); }
a:hover { color: var(--accent-soft); }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.4vw, 4.2rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 500; }

h1 em, h2 em { font-style: normal; color: var(--accent); }

p { margin: 0 0 1em; text-wrap: pretty; }

.container {
  width: min(1160px, 100% - 48px);
  margin-inline: auto;
}

.container-narrow { width: min(820px, 100% - 48px); }

/* --- typografia pomocnicza ------------------------------------------------ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1em;
}

.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 34em; }

.section-dark .lead { color: rgba(244, 243, 239, 0.72); }

.note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 40px;
}

.note code { font-family: var(--font-mono); font-size: 0.8rem; }

/* --- przyciski ------------------------------------------------------------ */

.btn {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.btn:hover { background: var(--accent-soft); border-color: var(--accent-soft); color: #fff; transform: translateY(-1px); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }

.btn-small { padding: 9px 18px; font-size: 0.9rem; }
.btn-full { width: 100%; }

/* --- nagłówek strony ------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 243, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 22px;
  height: 22px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% 65%, 65% 100%, 0 100%);
}

.site-nav { display: flex; align-items: center; gap: 28px; }

.site-nav a:not(.btn) {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a:not(.btn):hover { color: var(--accent); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.lang-switch a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 4px 2px;
}

.lang-switch a:hover { color: var(--accent); }

.lang-switch .is-active {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 2px solid var(--accent);
  padding: 4px 2px 2px;
}

.lang-sep { color: var(--line); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

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

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(20, 23, 26, 0.92), rgba(20, 23, 26, 0.97)),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(244, 243, 239, 0.05) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(244, 243, 239, 0.05) 39px 40px),
    var(--dark);
  color: var(--paper);
  padding: 96px 0 80px;
}

/* animowane tło — tekst zostaje w jednej płaszczyźnie */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity;
}

.hero::before,
.hero::after { z-index: 1; }

.hero::before {
  width: 900px;
  height: 900px;
  left: -280px;
  top: -220px;
  background: radial-gradient(circle, rgba(242, 84, 12, 0.16) 0%, rgba(242, 84, 12, 0) 62%);
  animation: bg-breathe 11s ease-in-out infinite;
}

.hero::after {
  width: 700px;
  height: 700px;
  right: -220px;
  bottom: -320px;
  background: radial-gradient(circle, rgba(244, 243, 239, 0.08) 0%, rgba(244, 243, 239, 0) 60%);
  animation: bg-breathe 14s ease-in-out 2.5s infinite;
}

/* zdjęcie w tle na całą szerokość */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenburns 22s ease-in-out infinite alternate;
  will-change: transform;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(16, 19, 23, 0.94) 0%, rgba(16, 19, 23, 0.85) 42%, rgba(16, 19, 23, 0.55) 72%, rgba(16, 19, 23, 0.35) 100%),
    linear-gradient(rgba(16, 19, 23, 0.25), rgba(16, 19, 23, 0.55));
}

.hero-inner { position: relative; z-index: 2; }

@keyframes bg-breathe {
  0%, 100% { transform: scale(0.82); opacity: 0.55; }
  50% { transform: scale(1.18); opacity: 1; }
}

.hero-inner { display: block; }

.hero-copy { max-width: 700px; }

.hero { padding: 130px 0 110px; }

.hero .lead { color: rgba(244, 243, 239, 0.72); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 48px; }

.hero .btn-ghost { color: var(--paper); border-color: var(--line-light); }
.hero .btn-ghost:hover { color: var(--accent-soft); border-color: var(--accent-soft); }

.hero-stats {
  display: flex;
  gap: 40px;
  margin: 0;
  padding-top: 28px;
  border-top: 1px solid var(--line-light);
}

.hero-stats dt {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-soft);
}

.hero-stats dd {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: rgba(244, 243, 239, 0.6);
}

.hero-media { position: relative; }

.img-frame {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}



@keyframes kenburns {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.09) translate(-1.5%, 1%); }
  100% { transform: scale(1.04) translate(1.2%, -0.8%); }
}

.hero-certs {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(244, 243, 239, 0.55);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.hero-certs span {
  border: 1px solid var(--line-light);
  border-radius: 3px;
  padding: 4px 9px;
  color: rgba(244, 243, 239, 0.8);
}

.hero-tag {
  display: inline-block;
  margin-top: 26px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  border-radius: var(--radius);
}

/* --- placeholdery obrazów --------------------------------------------------- */

.img-placeholder {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(27, 31, 35, 0.05) 14px 15px),
    var(--paper-deep);
  border: 1px dashed rgba(27, 31, 35, 0.3);
  border-radius: var(--radius);
  color: var(--ink-soft);
}

.ph-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: center;
  line-height: 1.5;
  padding: 12px;
}

.img-hero { aspect-ratio: 1 / 1.05; }
.img-offer { aspect-ratio: 16 / 7; margin-top: auto; }

img.img-hero,
img.img-offer {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 0;
  border-radius: var(--radius);
}

.offer { overflow: hidden; }

img.img-offer { transition: transform 0.9s ease; }

.offer:hover img.img-offer { transform: scale(1.05); }

img.img-hero {
  height: 100%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.section-dark .img-placeholder {
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(244, 243, 239, 0.05) 14px 15px),
    var(--dark-soft);
  border-color: rgba(244, 243, 239, 0.25);
  color: rgba(244, 243, 239, 0.5);
}

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

.section { padding: 96px 0; }

.section-tint { background: var(--paper-deep); }

.section-dark {
  background: var(--dark);
  color: var(--paper);
}

.section-head { max-width: 640px; margin-bottom: 56px; }

/* --- siatki i karty ----------------------------------------------------------- */

.grid { display: grid; gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}

.card p { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }

.card-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 18px;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 3px;
}

/* --- oferta ---------------------------------------------------------------------- */

.offer-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.offer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--dark-soft);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 28px;
}

.offer h3 { color: var(--paper); font-size: 1.35rem; font-weight: 700; }
.offer p { color: rgba(244, 243, 239, 0.68); margin-bottom: 20px; }

/* --- kroki ------------------------------------------------------------------------ */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}

.step-no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.step p { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }

/* --- opinie ------------------------------------------------------------------------- */

.quote {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.quote blockquote {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.55;
}

.quote figcaption { display: flex; flex-direction: column; gap: 2px; font-size: 0.85rem; }
.quote figcaption strong { font-family: var(--font-display); }
.quote figcaption span { color: var(--ink-soft); }

/* --- FAQ --------------------------------------------------------------------------- */

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list details:first-child { border-top: 1px solid var(--line); }

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 40px 22px 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.08rem;
  position: relative;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform 0.2s;
}

.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-list details p {
  margin: 0;
  padding: 0 0 24px;
  color: var(--ink-soft);
  max-width: 60ch;
}

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

.section-contact {
  padding: 110px 0;
  position: relative;
  overflow: hidden;
}

.section-contact::before {
  content: "";
  position: absolute;
  width: 820px;
  height: 820px;
  left: -260px;
  bottom: -380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 84, 12, 0.14) 0%, rgba(242, 84, 12, 0) 62%);
  animation: bg-breathe 13s ease-in-out infinite;
  pointer-events: none;
}

.section-contact .contact-inner { position: relative; z-index: 1; }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-data {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-data li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-light);
}

.contact-data span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(244, 243, 239, 0.55);
}

.contact-data a { color: var(--paper); text-decoration: none; }
.contact-data a:hover { color: var(--accent-soft); }

.contact-form {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.contact-form h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}

.field textarea { resize: vertical; }

.form-hint { font-size: 0.8rem; color: var(--ink-soft); margin: 0 0 20px; }

.form-status { margin: 14px 0 0; font-size: 0.9rem; min-height: 1.4em; }
.form-status.ok { color: #1a7f37; }
.form-status.err { color: #c1330f; }

/* --- stopka -------------------------------------------------------------------------- */

.site-footer {
  background: var(--dark);
  color: rgba(244, 243, 239, 0.6);
  border-top: 1px solid var(--line-light);
  padding: 48px 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.brand-footer { color: var(--paper); margin-bottom: 8px; }

.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }

.site-footer nav a { color: rgba(244, 243, 239, 0.7); text-decoration: none; }
.site-footer nav a:hover { color: var(--accent-soft); }

.site-footer p { margin: 0; }

.footer-legal {
  margin-top: 10px !important;
  font-size: 0.78rem;
  color: rgba(244, 243, 239, 0.45);
  line-height: 1.6;
}

/* --- animacje wejścia ------------------------------------------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero::before,
  .hero::after,
  .section-contact::before,
  .hero-bg img { animation: none; }
  img.img-offer { transition: none; }
}

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

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 1000px) {
  .lang-switch {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.lang-switch a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 4px 2px;
}

.lang-switch a:hover { color: var(--accent); }

.lang-switch .is-active {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 2px solid var(--accent);
  padding: 4px 2px 2px;
}

.lang-sep { color: var(--line); }

.nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 20px;
  }

  .site-nav.is-open { display: flex; }

  .site-nav a:not(.btn) { padding: 10px 0; width: 100%; }
  .site-nav .btn { margin-top: 8px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0; }
  .grid-4, .steps, .offer-list { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
}

/* --- mikroanimacje ---------------------------------------------------------- */

.card, .quote {
  transition: opacity 0.6s ease, transform 0.6s ease, translate 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.card:hover, .quote:hover {
  translate: 0 -4px;
  box-shadow: 0 14px 34px rgba(27, 31, 35, 0.10);
  border-color: rgba(27, 31, 35, 0.28);
}
.card-index { transition: background 0.25s, color 0.25s; }
.card:hover .card-index { background: var(--accent); color: #fff; }

.step { transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease; }
.step:hover { border-top-color: var(--accent); }
.step-no { transition: letter-spacing 0.3s ease; }
.step:hover .step-no { letter-spacing: 0.14em; }

.offer { transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease; }
.offer:hover { border-color: rgba(242, 84, 12, 0.55); }

.site-nav a:not(.btn) { position: relative; }
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  height: 2px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.site-nav a:not(.btn):hover::after { transform: scaleX(1); }

.btn { transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s; }
.btn:not(.btn-ghost):hover { box-shadow: 0 10px 24px rgba(242, 84, 12, 0.32); }
.btn:active { transform: translateY(0) scale(0.98); }

.hero-tag { animation: tag-glow 3.2s ease-in-out infinite; }
@keyframes tag-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(242, 84, 12, 0.45); }
  50% { box-shadow: 0 0 0 9px rgba(242, 84, 12, 0); }
}

.hero-certs span { transition: border-color 0.25s, color 0.25s, translate 0.25s; }
.hero-certs span:hover { border-color: var(--accent-soft); color: #fff; translate: 0 -2px; }

.hero-stats div { transition: translate 0.3s ease; }
.hero-stats div:hover { translate: 0 -3px; }

.brand-mark { transition: transform 0.35s ease; }
.brand:hover .brand-mark { transform: rotate(90deg); }

.contact-data li { transition: border-color 0.3s ease; }
.contact-data li:hover { border-bottom-color: rgba(242, 84, 12, 0.6); }

.faq-list summary { transition: color 0.2s; }
.faq-list summary:hover { color: var(--accent); }

.field input, .field textarea { transition: border-color 0.2s, box-shadow 0.2s; }
.field input:hover, .field textarea:hover { border-color: rgba(27, 31, 35, 0.35); }

@media (prefers-reduced-motion: reduce) {
  .hero-tag { animation: none; }
  .card, .quote, .step, .offer, .hero-certs span, .hero-stats div, .brand-mark,
  .site-nav a:not(.btn)::after, .card-index, .step-no { transition: none; }
  .reveal { transition-delay: 0s !important; }
}