body {
  font-family: 'Inter', sans-serif;
  background-color: #fff;
  margin: 0;
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 40px;
  transition: background 0.4s ease, padding 0.4s ease;
}

.header.scrolled {
  background: #000;
  padding: 14px 40px;
}
.logo {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  color: #fff;
}

.nav-center {
  display: flex;           /* włączamy flexbox */
  justify-content: center; /* środek w poziomie */
  gap: 30px;               /* odstępy między linkami */
  flex: 1;                 /* wypełnia całą przestrzeń headera */
}


.nav-center a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  margin-left: 20px;
}

.btn-order {
  border: 1px solid #fff;
  padding: 10px 22px;
  color: #fff;
  text-decoration: none;
}

/* HERO */
.hero {
  height: 50vh;
  background: linear-gradient(rgba(0,0,0,.45), rgba(0,0,0,.45)),
    url("img/kmk.hero.png") center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
}

.hero-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: 56px;
  margin: 0 0 10px;
}

.hero-content p {
  font-size: 20px;
}

/* FORMULARZ */
.reservation-section {
  padding: 120px 20px;
}

.reservation-form {
  max-width: 700px;
  margin: auto;
  background: #fff;
  padding: 50px;
  border-radius: 20px;
  box-shadow: 0 30px 70px rgba(0,0,0,.1);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: 1 / -1;
}

label {
  margin-bottom: 8px;
  font-weight: 600;
}

.required {
  color: red;
}

input, textarea {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #ccc;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: #000;
}

input.invalid {
  border-color: red;
}

.submit-btn {
  grid-column: 1 / -1;
  padding: 16px;
  background: #000;
  color: #fff;
  font-size: 1.1rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  background: #222;
}

.form-info {
  grid-column: 1 / -1;
  font-size: .9rem;
  opacity: .7;
  text-align: center;
}

/* FOOTER */
footer {
  background: #111;
  color: #fff;
  padding: 40px 0;
}

.footer-socials {
  display: flex;
  gap: 18px;
}

.footer-socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.footer-socials img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter 0.2s ease;
}

.footer-socials a:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.15);
}

.footer-socials a:hover img {
  filter: none;
}

select {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #ccc;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  background-color: #fff;
  transition: border-color 0.3s ease;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 14px;
}

select:focus {
  outline: none;
  border-color: #000;
}

select.invalid {
  border-color: red;
}