:root {
  --sea: #6f8fae;
  --sea-dark: #5b7391;
  --sea-deep: #44597a;
  --mist: #dcdde4;
  --stone: #b0b1b8;
  --sand: #d8cfc4;
  --cream: #f1ede6;
  --paper: #f8f5ef;
  --ink: #2f3b4d;
  --muted: #7a8494;
  --radius: 22px;
  --shadow: 0 10px 30px rgba(68, 89, 122, 0.1);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  line-height: 1.65;
  background: linear-gradient(
      180deg,
      #cfdcea 0,
      #e6ecf0 380px,
      var(--cream) 700px
    )
    fixed var(--cream);
}
a {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.1;
  color: var(--sea-deep);
}
h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  text-align: center;
  margin-bottom: 2rem;
}
h3 {
  font-size: 1.5rem;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 28px;
  backdrop-filter: blur(10px);
  background: rgba(241, 237, 230, 0.6);
  border-radius: 0 0 18px 18px;
}
.nav__logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  text-decoration: none;
  color: var(--sea-deep);
}
.nav__links {
  display: flex;
  gap: 26px;
  font-size: 0.92rem;
}
.nav__links a {
  text-decoration: none;
  color: var(--sea-dark);
  transition: 0.2s;
}
.nav__links a:hover {
  color: var(--ink);
}
.nav__burger {
  display: none;
  background: none;
  border: 0;
  width: 34px;
  height: 26px;
  position: relative;
  cursor: pointer;
}
.nav__burger span {
  position: absolute;
  left: 4px;
  right: 4px;
  height: 1.5px;
  background: var(--sea-deep);
  transition: 0.3s;
}
.nav__burger span:first-child {
  top: 9px;
}
.nav__burger span:last-child {
  top: 16px;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 20px;
  box-shadow: var(--shadow);
  min-height: 520px;
}
.hero__text {
  background: var(--sea);
  color: #fff;
  padding: 60px 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}
.hero__text h1 {
  color: #fff;
}
.eyebrow {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  opacity: 0.85;
}
.hero__lead {
  max-width: 420px;
  opacity: 0.92;
  font-size: 1.05rem;
}
.hero__photo {
  position: relative;
  background: linear-gradient(160deg, #a9bdd2, #6f8fae 60%, #5b7391);
}
.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(0.95);
}
.placeholder {
  background: linear-gradient(160deg, var(--mist), var(--sand));
}
.placeholder img {
  opacity: 1;
}
.hero__photo.placeholder img {
  display: none;
}

/* BUTTONS */
.btn {
  display: inline-block;
  align-self: flex-start;
  padding: 14px 30px;
  border-radius: 999px;
  font: 400 0.95rem var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: 0.25s;
  border: 1px solid transparent;
}
.btn--ghost {
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
}
.btn--ghost:hover {
  background: #fff;
  color: var(--sea-deep);
}
.btn--solid {
  background: var(--sea-dark);
  color: #fff;
  width: 100%;
  text-align: center;
  padding: 16px;
}
.btn--solid:hover:not(:disabled) {
  background: var(--sea-deep);
  transform: translateY(-1px);
}
.btn--solid:disabled {
  background: var(--stone);
  cursor: not-allowed;
}

/* SECTIONS */
.section {
  padding: 80px 0 10px;
}
.section__sub {
  text-align: center;
  max-width: 560px;
  margin: -1rem auto 2.4rem;
  color: var(--muted);
}
.grid-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.card {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
}
.card--text {
  display: flex;
  align-items: center;
  font-size: 0.98rem;
}
.card--img {
  padding: 0;
  overflow: hidden;
  min-height: 220px;
}
.card--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card--hands {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
}
.card--quote {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--sea-deep);
  text-align: center;
  padding: 36px;
}

.section--sea {
  margin-top: 70px;
  padding: 70px 30px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--mist), #c4cddb);
}
.tags {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 760px;
  margin: 0 auto;
}
.tags li {
  background: rgba(255, 255, 255, 0.7);
  padding: 12px 22px;
  border-radius: 999px;
  color: var(--sea-deep);
  font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(68, 89, 122, 0.08);
  transition: 0.25s;
}
.tags li:hover {
  transform: translateY(-3px);
  background: #fff;
}

.info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.info__list {
  background: var(--sea);
  color: #fff;
  border-radius: var(--radius);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: center;
}
.info__list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 14px;
}
.info__list div:last-child {
  border: 0;
  padding: 0;
}
.info__list span {
  opacity: 0.8;
}
.info__img {
  min-height: 260px;
}

/* BOOKING */
.booking {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.booking__step {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
}
.booking__step h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.booking__step h3 span {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sea);
  color: #fff;
  font: 400 0.9rem var(--sans);
}
.form {
  grid-row: span 2;
  grid-column: 2;
}
.booking__step:nth-child(1) {
  grid-column: 1;
}
.booking__step:nth-child(2) {
  grid-column: 1;
}
.dates {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 10px;
}
.date {
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: 14px;
  padding: 10px 4px;
  text-align: center;
  cursor: pointer;
  font: 300 0.8rem var(--sans);
  color: var(--sea-deep);
  transition: 0.2s;
}
.date b {
  display: block;
  font: 500 1.25rem var(--serif);
}
.date:hover {
  border-color: var(--sea);
}
.date.is-active {
  background: var(--sea-dark);
  color: #fff;
  border-color: var(--sea-dark);
}
.date:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
}
.slot {
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: 999px;
  padding: 10px;
  cursor: pointer;
  font: 400 0.92rem var(--sans);
  color: var(--sea-deep);
  transition: 0.2s;
}
.slot:hover {
  border-color: var(--sea);
}
.slot.is-active {
  background: var(--sea-dark);
  color: #fff;
  border-color: var(--sea-dark);
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.8rem;
  margin-top: 12px;
}
.form label {
  display: block;
  font-size: 0.85rem;
  color: var(--sea-dark);
  margin-bottom: 14px;
}
.form input:not([type="checkbox"]),
.form select,
.form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 13px 16px;
  border: 1px solid var(--mist);
  border-radius: 14px;
  background: #fff;
  font: 300 0.95rem var(--sans);
  color: var(--ink);
  transition: 0.2s;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--sea);
  box-shadow: 0 0 0 3px rgba(111, 143, 174, 0.2);
}
.form .check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.8rem;
}
.form .check input {
  margin-top: 4px;
  accent-color: var(--sea-dark);
}
.summary {
  background: var(--cream);
  border-radius: 14px;
  padding: 14px 16px;
  margin: 6px 0 14px;
  font-size: 0.92rem;
  color: var(--sea-deep);
}
.error {
  color: #b4534b;
  font-size: 0.85rem;
  min-height: 1.2em;
  margin-bottom: 8px;
}
.notice {
  margin-top: 20px;
  background: var(--sea);
  color: #fff;
  border-radius: var(--radius);
  padding: 34px;
  text-align: center;
}
.notice h3 {
  color: #fff;
  margin-bottom: 8px;
}

/* FAQ */
.faq {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.faq details {
  background: var(--paper);
  border-radius: 18px;
  padding: 20px 26px;
  box-shadow: var(--shadow);
}
.faq summary {
  cursor: pointer;
  font: 400 1.02rem var(--sans);
  color: var(--sea-deep);
  list-style: none;
  display: flex;
  justify-content: space-between;
}
.faq summary::after {
  content: "+";
  font-size: 1.3rem;
  line-height: 1;
}
.faq details[open] summary::after {
  content: "–";
}
.faq p {
  margin-top: 12px;
  color: var(--muted);
}

.footer {
  margin-top: 90px;
  padding: 40px 20px;
  text-align: center;
  color: var(--sea-dark);
  font-size: 0.88rem;
  display: grid;
  gap: 6px;
  background: linear-gradient(180deg, transparent, var(--mist));
}

/* MOBILE */
@media (max-width: 820px) {
  .hero,
  .grid-cards,
  .info,
  .booking {
    grid-template-columns: 1fr;
  }
  .hero__text {
    padding: 44px 28px;
  }
  .hero__photo {
    min-height: 300px;
  }
  .form,
  .booking__step:nth-child(1),
  .booking__step:nth-child(2) {
    grid-column: auto;
    grid-row: auto;
  }
  .nav__burger {
    display: block;
  }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-radius: 0 0 18px 18px;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s;
    box-shadow: var(--shadow);
  }
  .nav__links a {
    padding: 16px 28px;
    border-top: 1px solid var(--mist);
  }
  .menu-open .nav__links {
    max-height: 400px;
  }
}