/* ==========================================================================
   Zagubiona Perła — landing sprzedażowy
   Paleta i typografia nawiązują do składu książki
   ========================================================================== */

:root {
  --akcent: #1A4A57;
  --akcent-jasny: #2C6B7D;
  --papier: #F5F0E6;
  --papier-ciemny: #EBE3D5;
  --tekst: #1F1F1F;
  --szary: #6B6B6B;
  --linia: #DDD5C7;
  --zloto: #B8944D;
  --maks: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
  color: var(--tekst);
  background: var(--papier);
  -webkit-font-smoothing: antialiased;
}

.srodek { max-width: var(--maks); margin: 0 auto; padding: 0 24px; }
.waski { max-width: 700px; margin: 0 auto; }

h1, h2, h3 { line-height: 1.22; font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.15rem); color: var(--akcent); margin-bottom: 20px; }
h3 { font-size: 1.16rem; margin-bottom: 8px; }
p { margin-bottom: 1.05em; }
a { color: var(--akcent); }

.nadtytul {
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.19em;
  text-transform: uppercase; color: var(--zloto); margin-bottom: 14px;
}

/* ---------- NAGŁÓWEK ---------- */
.hero {
  background: linear-gradient(170deg, var(--papier) 0%, var(--papier-ciemny) 100%);
  padding: 68px 0 76px;
  border-bottom: 1px solid var(--linia);
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) 320px;
  gap: 60px; align-items: center;
}
.hero h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.3rem);
  color: var(--akcent); margin-bottom: 14px; letter-spacing: -0.01em;
}
.hero .podtytul {
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  font-style: italic; color: var(--szary); margin-bottom: 26px;
}
.hero .zajawka { font-size: 1.09rem; margin-bottom: 30px; }
.hero .autor {
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 0.92rem; letter-spacing: 0.05em; color: var(--szary); margin-bottom: 30px;
}
.okladka-wrap { position: relative; }
.okladka-wrap img {
  width: 100%; height: auto; display: block; border-radius: 3px;
  box-shadow: 0 18px 44px rgba(26, 74, 87, 0.26), 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* ---------- PRZYCISKI ---------- */
.przyciski { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-block; font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 0.97rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 15px 30px; border-radius: 4px; text-decoration: none;
  transition: transform 0.13s ease, box-shadow 0.13s ease, background 0.13s ease;
  border: 1.5px solid transparent; cursor: pointer;
}
.btn-glowny { background: var(--akcent); color: #fff; box-shadow: 0 3px 12px rgba(26,74,87,0.28); }
.btn-glowny:hover { background: var(--akcent-jasny); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(26,74,87,0.34); }
.btn-drugi { background: transparent; color: var(--akcent); border-color: var(--akcent); }
.btn-drugi:hover { background: rgba(26, 74, 87, 0.07); transform: translateY(-1px); }
.cena { font-family: -apple-system, "Segoe UI", system-ui, sans-serif; font-size: 1.45rem;
        font-weight: 600; color: var(--akcent); }
.cena small { font-size: 0.62em; font-weight: 400; color: var(--szary); display: block; letter-spacing: 0.02em; }

/* ---------- SEKCJE ---------- */
section { padding: 64px 0; }
section.na-papierze { background: #fff; border-top: 1px solid var(--linia); border-bottom: 1px solid var(--linia); }

.motto-blok {
  border-left: 3px solid var(--zloto); padding: 4px 0 4px 26px;
  margin: 34px 0; font-style: italic; font-size: 1.14rem; color: var(--akcent);
}

/* ---------- DLA KOGO ---------- */
.karty { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 26px; margin-top: 34px; }
.karta { background: var(--papier); padding: 26px 24px; border-radius: 5px; border: 1px solid var(--linia); }
.karta h3 { color: var(--akcent); font-size: 1.04rem; }
.karta p { font-size: 0.95rem; color: #333; margin: 0; }

/* ---------- CO ZNAJDZIESZ ---------- */
.lista-korzysci { list-style: none; margin-top: 26px; }
.lista-korzysci li {
  padding-left: 30px; position: relative; margin-bottom: 15px; font-size: 1.02rem;
}
.lista-korzysci li::before {
  content: "●"; position: absolute; left: 4px; top: -1px; color: var(--zloto); font-size: 0.72rem;
}

/* ---------- SPIS TREŚCI ---------- */
.spis { margin-top: 30px; column-count: 2; column-gap: 46px; }
.spis .czesc {
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--zloto); margin: 20px 0 10px; break-after: avoid;
}
.spis .czesc:first-child { margin-top: 0; }
.spis .rozdz { font-size: 0.96rem; margin-bottom: 6px; color: #333; break-inside: avoid; }

/* ---------- AUTOR ---------- */
.autor-grid { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 36px; align-items: start; }
.autor-foto {
  width: 160px; height: 160px; border-radius: 50%; object-fit: cover;
  border: 3px solid #fff; box-shadow: 0 6px 20px rgba(0,0,0,0.14);
}

/* ---------- FAQ ---------- */
.faq { margin-top: 30px; }
.faq details {
  border-bottom: 1px solid var(--linia); padding: 17px 0;
}
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--akcent); font-size: 1.03rem;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.35rem; color: var(--zloto); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 13px 0 2px; font-size: 0.97rem; color: #333; }

/* ---------- ZAMKNIĘCIE ---------- */
.zamkniecie {
  background: var(--akcent); color: #fff; text-align: center; padding: 76px 0;
}
.zamkniecie h2 { color: #fff; }
.zamkniecie p { color: rgba(255,255,255,0.9); max-width: 560px; margin: 0 auto 30px; }
.zamkniecie .btn-glowny { background: #fff; color: var(--akcent); }
.zamkniecie .btn-glowny:hover { background: var(--papier); }
.zamkniecie .btn-drugi { color: #fff; border-color: rgba(255,255,255,0.55); }
.zamkniecie .btn-drugi:hover { background: rgba(255,255,255,0.12); }
.zamkniecie .cena { color: #fff; }
.zamkniecie .cena small { color: rgba(255,255,255,0.75); }

/* ---------- STOPKA ---------- */
footer {
  background: var(--papier-ciemny); padding: 40px 0; font-size: 0.87rem; color: var(--szary);
  border-top: 1px solid var(--linia);
}
footer .stopka-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--akcent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ---------- RESPONSYWNOŚĆ ---------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .okladka-wrap { max-width: 260px; margin: 0 auto; order: -1; }
  .spis { column-count: 1; }
  .autor-grid { grid-template-columns: 1fr; gap: 22px; justify-items: center; text-align: center; }
  section { padding: 50px 0; }
  body { font-size: 17px; }
}
@media (max-width: 460px) {
  .przyciski { flex-direction: column; align-items: stretch; }
  .btn { text-align: center; }
  .cena { text-align: center; margin-bottom: 6px; }
}