/* ==========================================================================
   Janinpex — sekce "Průmyslový papír"
   Samostatné, izolované styly (namespace .jp-paper*), aby nekolidovaly
   s vygenerovaným Tilda CSS. Font Roboto je již načten v <head>.
   ========================================================================== */

.jp-paper {
  --jp-ink: #1c211e;
  --jp-ink-soft: #4a524d;
  --jp-line: #e3e6e2;
  --jp-bg: #ffffff;
  --jp-bg-alt: #f5f6f4;
  --jp-accent: #2f9e57;
  --jp-accent-dark: #237a43;

  font-family: "Roboto", -apple-system, "Segoe UI", Arial, sans-serif;
  color: var(--jp-ink);
  background: var(--jp-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  box-sizing: border-box;
}
.jp-paper *,
.jp-paper *::before,
.jp-paper *::after {
  box-sizing: border-box;
}

.jp-paper__container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typografie ---------------------------------------------------------------- */
.jp-paper__kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--jp-accent);
  margin: 0 0 16px;
}
.jp-paper__title {
  font-size: clamp(30px, 5vw, 50px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}
.jp-paper__lead {
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 300;
  max-width: 620px;
  margin: 0;
}

/* Hero banner --------------------------------------------------------------- */
.jp-paper__hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 460px;
  padding: 80px 0;
  background-image: linear-gradient(
      100deg,
      rgba(18, 24, 20, 0.86) 0%,
      rgba(18, 24, 20, 0.62) 48%,
      rgba(18, 24, 20, 0.25) 100%
    ),
    url("../images/paper-rolls.jpg");
  background-size: cover;
  background-position: center;
  color: #fff;
}
.jp-paper__hero .jp-paper__kicker {
  color: #8fe0ab;
}
.jp-paper__hero .jp-paper__lead {
  color: rgba(255, 255, 255, 0.92);
}
.jp-paper__hero-inner {
  max-width: 640px;
}

/* Obecná sekce -------------------------------------------------------------- */
.jp-paper__section {
  padding: 72px 0;
}
.jp-paper__section--alt {
  background: var(--jp-bg-alt);
  border-top: 1px solid var(--jp-line);
  border-bottom: 1px solid var(--jp-line);
}
.jp-paper__heading {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 16px;
}
.jp-paper__text {
  font-size: 17px;
  font-weight: 300;
  color: var(--jp-ink-soft);
  margin: 0 0 16px;
}
.jp-paper__text:last-child {
  margin-bottom: 0;
}

/* Dvousloupcový blok (text + obrázek) -------------------------------------- */
.jp-paper__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.jp-paper__split--reverse .jp-paper__media {
  order: -1;
}
.jp-paper__media {
  margin: 0;
}
.jp-paper__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: 6px;
}

/* Karty výhod --------------------------------------------------------------- */
.jp-paper__cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.jp-paper__card {
  background: #fff;
  border: 1px solid var(--jp-line);
  border-radius: 8px;
  padding: 28px 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.jp-paper__card:hover {
  box-shadow: 0 12px 30px rgba(20, 30, 24, 0.08);
  transform: translateY(-3px);
}
.jp-paper__card-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(47, 158, 87, 0.12);
  color: var(--jp-accent-dark);
  margin-bottom: 18px;
}
.jp-paper__card-icon svg {
  width: 24px;
  height: 24px;
}
.jp-paper__card-title {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 8px;
}
.jp-paper__card-text {
  font-size: 15px;
  font-weight: 300;
  color: var(--jp-ink-soft);
  margin: 0;
}

/* Dekorativní pruh ---------------------------------------------------------- */
.jp-paper__band {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  padding: 64px 0;
  background-image: linear-gradient(
      90deg,
      rgba(18, 24, 20, 0.72) 0%,
      rgba(18, 24, 20, 0.45) 60%,
      rgba(18, 24, 20, 0.3) 100%
    ),
    url("../images/paper-roll-detail.jpg");
  background-size: cover;
  background-position: center 35%;
  color: #fff;
}
.jp-paper__band-quote {
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 300;
  line-height: 1.35;
  max-width: 720px;
  margin: 0;
}
.jp-paper__band-quote strong {
  font-weight: 600;
  color: #9fe7b6;
}

/* Tabulka parametrů --------------------------------------------------------- */
.jp-paper__specs {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
.jp-paper__specs tr {
  border-bottom: 1px solid var(--jp-line);
}
.jp-paper__specs tr:first-child {
  border-top: 1px solid var(--jp-line);
}
.jp-paper__specs th {
  text-align: left;
  font-weight: 500;
  color: var(--jp-ink);
  padding: 14px 16px 14px 0;
  white-space: nowrap;
  width: 42%;
  vertical-align: top;
}
.jp-paper__specs td {
  padding: 14px 0;
  font-weight: 300;
  color: var(--jp-ink-soft);
}
.jp-paper__note {
  font-size: 14px;
  color: var(--jp-ink-soft);
  margin: 18px 0 0;
  font-style: italic;
}

/* CTA ----------------------------------------------------------------------- */
.jp-paper__cta {
  background: var(--jp-ink);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.jp-paper__cta-title {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  margin: 0 0 14px;
}
.jp-paper__cta-text {
  font-size: 17px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin: 0 auto 32px;
}
.jp-paper__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.jp-paper__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
}
.jp-paper__btn svg {
  width: 19px;
  height: 19px;
}
.jp-paper__btn--primary {
  background: var(--jp-accent);
  color: #fff;
}
.jp-paper__btn--primary:hover {
  background: var(--jp-accent-dark);
  transform: translateY(-2px);
}
.jp-paper__btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.jp-paper__btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Responsivita -------------------------------------------------------------- */
@media (max-width: 980px) {
  .jp-paper__cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .jp-paper__split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .jp-paper__split--reverse .jp-paper__media {
    order: 0;
  }
  .jp-paper__media img {
    max-height: 360px;
  }
  .jp-paper__hero {
    min-height: 380px;
    padding: 64px 0;
  }
}

@media (max-width: 560px) {
  .jp-paper__container {
    padding: 0 18px;
  }
  .jp-paper__section {
    padding: 52px 0;
  }
  .jp-paper__cards {
    grid-template-columns: 1fr;
  }
  .jp-paper__specs th {
    white-space: normal;
    width: 50%;
  }
  .jp-paper__btn {
    width: 100%;
    justify-content: center;
  }
}
