/* ============================================================
   Denisa Smejkalová — doučování němčiny
   ============================================================ */

:root {
  --ink: #26221d;
  --ink-soft: #5c554b;
  --paper: #faf7f2;
  --paper-alt: #f1ebe1;
  --accent: #1f6f54;        /* lahvově zelená */
  --accent-dark: #164f3c;
  --accent-soft: #e2efe9;
  --gold: #d9a441;          /* teplý akcent */
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(38, 34, 29, 0.08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

/* Kotvy nesmí zajíždět pod lepící hlavičku */
[id] { scroll-margin-top: 5.5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent-dark);
  color: var(--white);
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 8px 0;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus { left: 0; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
}

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

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.container--narrow { width: min(760px, 92%); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}

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

/* ===== Tlačítka ===== */
.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(31, 111, 84, 0.35);
}
.btn--primary:hover { background: var(--accent-dark); transform: translateY(-2px); }

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

/* ===== Navigace ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(38, 34, 29, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  gap: 1rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.nav__logo span { color: var(--accent); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.5rem);
  list-style: none;
}

.nav__menu a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
}
.nav__menu a:hover { color: var(--accent); }

.nav__cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
}
.nav__cta:hover { background: var(--accent-dark); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ===== Hero ===== */
.hero {
  padding: 5rem 0 5.5rem;
  background:
    radial-gradient(ellipse 60% 50% at 85% 10%, rgba(217, 164, 65, 0.12), transparent),
    radial-gradient(ellipse 50% 60% at 10% 90%, rgba(31, 111, 84, 0.08), transparent);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 1.25rem;
}

.hero__lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.8rem;
}

.hero__badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.hero__card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transform: rotate(2deg);
}

.hero__photo {
  aspect-ratio: 4 / 5;
  border-radius: calc(var(--radius) - 4px);
  background: linear-gradient(135deg, var(--accent-soft), var(--paper-alt));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero__photo img { width: 100%; height: 100%; object-fit: cover; }

.hero__photo-placeholder,
.about__photo-placeholder {
  color: var(--ink-soft);
  font-weight: 600;
  text-align: center;
  opacity: 0.6;
}

.hero__quote {
  font-family: var(--font-display);
  font-style: italic;
  padding-top: 1.1rem;
  font-size: 1.02rem;
  color: var(--ink-soft);
}

/* ===== Sekce ===== */
.section { padding: 5rem 0; }
.section--alt { background: var(--paper-alt); }

.section__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.75rem;
}

.section__subtitle {
  color: var(--ink-soft);
  margin-bottom: 2.8rem;
  font-size: 1.1rem;
  max-width: 40rem;
}

/* ===== Karty služeb ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.4rem;
  margin-top: 2.5rem;
}

.card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(38, 34, 29, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(38, 34, 29, 0.12);
}

.card__icon { font-size: 1.9rem; margin-bottom: 0.9rem; }

.card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }

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

.card--featured { border: 2px solid var(--accent); }

.card__tag {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--gold);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
}

/* ===== O mně ===== */
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about__photo {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), var(--white));
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.about__photo img { width: 100%; height: 100%; object-fit: cover; }

.about__text p { margin-bottom: 1.1rem; color: var(--ink-soft); }
.about__text p strong { color: var(--ink); }

.about__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(38, 34, 29, 0.12);
}

.about__facts li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 10rem;
}

.about__facts strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
}

/* ===== Kroky ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.step { position: relative; }

.step__num {
  display: inline-grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.step h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.step p { color: var(--ink-soft); font-size: 0.95rem; }

/* ===== Ceník ===== */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.price-card--featured {
  border: 2px solid var(--accent);
  transform: scale(1.03);
}

.price-card h3 { font-size: 1.15rem; margin-bottom: 0.8rem; }

.price-card__price {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.price-card__note { color: var(--ink-soft); font-size: 0.9rem; }

.pricing__footnote {
  margin-top: 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ===== Reference ===== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.testimonial {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--gold);
}

.testimonial p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.02rem;
  margin-bottom: 1rem;
}

.testimonial footer {
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-weight: 600;
}

/* ===== FAQ ===== */
.faq {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 0.9rem;
  overflow: hidden;
}

.faq summary {
  cursor: pointer;
  padding: 1.2rem 1.5rem;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 3rem;
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}

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

.faq p {
  padding: 0 1.5rem 1.3rem;
  color: var(--ink-soft);
}

/* ===== Kontakt ===== */
.section--contact {
  background: var(--accent-dark);
  color: var(--white);
}

.section--contact .section__title { color: var(--white); }

.contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact__info p { color: rgba(255, 255, 255, 0.85); margin-bottom: 1.6rem; }

.contact__list { list-style: none; display: grid; gap: 0.7rem; }

.contact__list a { color: var(--white); font-weight: 600; }

.contact__form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 1.1rem;
}

.contact__form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
}

.contact__form input,
.contact__form textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid rgba(38, 34, 29, 0.18);
  border-radius: 8px;
  background: var(--paper);
  resize: vertical;
}

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

.contact__optional {
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 0.85em;
}

.contact__gdpr {
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-weight: 400;
}

.contact__map {
  grid-column: 1 / -1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  line-height: 0;
}

.contact__map iframe {
  width: 100%;
  height: 380px;
  border: 0;
}

/* ===== Patička ===== */
.site-footer {
  background: #12271f;
  color: rgba(255, 255, 255, 0.7);
  padding: 1.6rem 0;
  font-size: 0.9rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer a { color: rgba(255, 255, 255, 0.85); text-decoration: none; }

/* ===== Responzivita ===== */
@media (max-width: 900px) {
  .hero__grid, .about, .contact { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero { padding: 3.5rem 0; }
  .hero__card { max-width: 380px; margin-inline: auto; }
  .about__photo { max-width: 380px; }
}

@media (max-width: 920px) {
  .nav__toggle { display: flex; }

  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid rgba(38, 34, 29, 0.1);
    box-shadow: var(--shadow);
    display: none;
    padding: 0.5rem 0;
  }

  .nav__menu.is-open { display: flex; }

  .nav__menu li { text-align: center; }

  .nav__menu a {
    display: block;
    padding: 0.85rem 1rem;
    font-size: 1.05rem;
  }

  .nav__cta { margin: 0.5rem 1.5rem; }
}

@media (max-width: 760px) {
  .section { padding: 3.5rem 0; }

  .hero { padding: 2.5rem 0 3rem; }

  .hero__actions .btn { width: 100%; text-align: center; }

  .hero__card { transform: rotate(0deg); }

  /* scale() u zvýrazněné ceny by v jednom sloupci přetékal */
  .price-card--featured { transform: none; }

  .contact__map iframe { height: 280px; }

  .contact__form { padding: 1.4rem; }

  .about__facts { gap: 1.2rem; }

  .site-footer__inner { justify-content: center; text-align: center; }
}