:root {
  --orange: #fa8000;
  --orange-dark: #d96f00;
  --ink: #2b2b2b;
  --text: #555;
  --muted: #8a8a8a;
  --line: #e6e6e6;
  --panel: #f6f4f1;
  --footer: #252525;
  --footer-base: #1c1c1c;
  --head: "Raleway", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Source Sans Pro", "Segoe UI", Arial, sans-serif;
  --wrap: 1170px;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; font-family: var(--body); font-size: 1.0625rem; line-height: 1.7; color: var(--text); background: #fff; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange-dark); }
a:focus-visible, button:focus-visible, [role="tab"]:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
h1, h2, h3, h4, h5, h6 { font-family: var(--head); font-weight: 700; color: var(--ink); line-height: 1.25; margin: 1.6em 0 .6em; }
h1:first-child, h2:first-child, h3:first-child, h4:first-child { margin-top: 0; }
p { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.75rem 0; }
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--orange); color: #fff; padding: .6rem 1rem; z-index: 200; }
.skip:focus { left: 1rem; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; background: var(--orange); transition: background-color .35s, box-shadow .35s; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 1rem; }
.site-header.transparent:not(.scrolled):not(.menu-open) { background: transparent; }
.site-header.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,.15); }
.logo img { width: 260px; }
.nav > ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .25rem; }
.nav a, .nav button { font-family: var(--head); font-size: .92rem; font-weight: 500; color: #fff; text-decoration: none; background: none; border: 0; cursor: pointer; padding: .6rem .8rem; display: flex; align-items: center; line-height: 1.5; margin: 0; }
.nav a:hover, .nav button:hover, .nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }
.nav li { position: relative; }
.nav .sub { list-style: none; margin: 0; padding: .4rem 0; position: absolute; top: 100%; left: 0; min-width: 210px; background: #fff; box-shadow: 0 8px 24px rgba(0,0,0,.15); border-top: 3px solid var(--orange); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .2s, transform .2s, visibility .2s; }
.nav .sub a { color: var(--ink); padding: .5rem 1rem; }
.nav .sub a:hover { color: var(--orange-dark); }
.nav li:hover > .sub, .nav li:focus-within > .sub, .nav li.open > .sub { opacity: 1; visibility: visible; transform: none; }
.nav .caret { display: inline-block; margin-left: .4rem; border: 4px solid transparent; border-top-color: currentColor; border-bottom: 0; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; padding: .5rem; cursor: pointer; }
.nav-toggle svg { width: 28px; height: 28px; fill: currentColor; }

/* ---------- Home hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; text-align: center; color: #fff; background: #3a2340 url("img/hero.jpg") center / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(30,15,40,.35), rgba(30,15,40,.25) 50%, rgba(30,15,40,.45)); }
.hero .inner { position: relative; padding: 6rem 1.25rem 4rem; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5.5vw, 3.6rem); text-transform: uppercase; letter-spacing: .02em; margin: 0; text-shadow: 0 2px 16px rgba(0,0,0,.35); }
.hero .bar { width: 140px; height: 2px; background: var(--orange); margin: 1.25rem auto; }
.hero p { font-family: var(--head); font-weight: 600; font-size: clamp(1.05rem, 2.4vw, 1.5rem); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 2.25rem; text-shadow: 0 2px 12px rgba(0,0,0,.35); }
.btn { display: inline-block; font-family: var(--head); font-weight: 700; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; padding: 1rem 2rem; border-radius: 3px; background: var(--orange); color: #fff; border: 2px solid var(--orange); transition: background-color .25s, color .25s; }
.btn:hover { background: transparent; color: #fff; border-color: #fff; }
.btn-outline { background: transparent; color: var(--orange); }
.btn-outline:hover { background: var(--orange); color: #fff; border-color: var(--orange); }

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-title { text-align: center; color: var(--orange); text-transform: uppercase; font-size: clamp(1.7rem, 3.5vw, 2.25rem); margin: 0 0 .5rem; }
.section-title::after { content: ""; display: block; width: 44px; height: 2px; background: var(--orange); margin: 1rem auto 0; }
.intro { max-width: 62rem; margin: 2rem auto 0; text-align: center; font-size: 1.1rem; }

.tour-cards { list-style: none; padding: 0; margin: 3.5rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.tour-cards a { display: flex; flex-direction: column; height: 100%; background: #252525; color: #f1f1f1; text-decoration: none; border: 4px solid #252525; transition: transform .3s, box-shadow .3s; }
.tour-cards a:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,.2); }
.tour-cards img { aspect-ratio: 700 / 451; object-fit: cover; width: 100%; }
.tour-cards h3 { color: var(--orange); font-size: 1.05rem; text-transform: uppercase; text-align: center; margin: 1rem .75rem .4rem; }
.tour-cards p { text-align: center; font-size: .98rem; line-height: 1.6; margin: 0 1rem 1.25rem; }

.faq-banner { position: relative; padding: clamp(4rem, 9vw, 7rem) 0; background: #333 url("img/faq-banner.jpg") center / cover no-repeat; background-attachment: scroll; }
@media (hover: hover) and (pointer: fine) { .faq-banner { background-attachment: fixed; } }
.faq-banner .box { position: relative; background: rgba(0,0,0,.55); color: #fff; text-align: center; padding: 2.5rem 1.5rem; }
.faq-banner p { font-family: var(--head); font-size: clamp(1.05rem, 2vw, 1.35rem); margin: 0 0 1.5rem; }

/* ---------- Inner pages ---------- */
.page { padding-top: calc(var(--header-h) + clamp(2rem, 5vw, 3.5rem)); padding-bottom: clamp(3rem, 7vw, 5rem); }
.page-head { margin-bottom: 2rem; }
.page-head h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); text-transform: uppercase; color: var(--orange); margin: 0; }
.prose h4 { font-size: 1.35rem; }
.prose h5 { font-size: 1.1rem; }
.prose h6 { font-family: var(--head); font-size: 1.05rem; color: var(--orange-dark); text-transform: uppercase; letter-spacing: .03em; margin: 1.6em 0 .4em; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin-bottom: .3rem; }
.prose strong { color: var(--ink); }
.narrow { max-width: 820px; }

/* Tour layout */
.tour-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; margin-top: 2.5rem; }

/* Slider */
.slider { position: relative; aspect-ratio: 2 / 1; overflow: hidden; background: #222; }
.slider figure { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 1s; }
.slider figure.active { opacity: 1; }
.slider img { width: 100%; height: 100%; object-fit: cover; }
.slider figcaption { position: absolute; left: clamp(1rem, 4vw, 2.5rem); bottom: clamp(1rem, 5vw, 2.75rem); right: 1rem; text-transform: uppercase; font-family: var(--head); text-shadow: 0 2px 10px rgba(0,0,0,.6); }
.slider figcaption strong { display: block; color: var(--orange); font-size: clamp(1.4rem, 4.2vw, 2.9rem); line-height: 1.1; }
.slider figcaption span { display: block; color: #fff; font-weight: 600; font-size: clamp(.85rem, 1.8vw, 1.3rem); margin-top: .25rem; }
.slider .arrows button { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(0,0,0,.45); color: #fff; font-size: 1.4rem; cursor: pointer; }
.slider .arrows button:hover { background: var(--orange); }
.slider .prev { left: .75rem; } .slider .next { right: .75rem; }
.slider .dots { position: absolute; right: 1rem; bottom: 1rem; display: flex; gap: 6px; }
.slider .dots button { width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; background: transparent; padding: 0; cursor: pointer; }
.slider .dots button[aria-current="true"] { background: var(--orange); border-color: var(--orange); }

/* Tabs */
.tabs [role="tablist"] { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.tabs [role="tab"] { font-family: var(--head); font-weight: 600; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; padding: .65rem 1rem; border: 1px solid var(--orange); background: #fff; color: var(--orange-dark); cursor: pointer; display: inline-flex; align-items: center; gap: .45rem; transition: background-color .2s, color .2s; }
.tabs [role="tab"] svg { width: 14px; height: 14px; fill: currentColor; }
.tabs [role="tab"]:hover { background: #fff3e6; }
.tabs [role="tab"][aria-selected="true"] { background: var(--orange); color: #fff; }
.tabs [role="tabpanel"][hidden] { display: none; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.gallery button { padding: 0; border: 0; cursor: zoom-in; background: #eee; aspect-ratio: 4 / 3; overflow: hidden; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s, opacity .3s; }
.gallery button:hover img { transform: scale(1.05); }
.lightbox { border: 0; padding: 0; background: transparent; width: 100vw; height: 100vh; max-width: 100vw; max-height: 100vh; }
.lightbox::backdrop { background: rgba(0,0,0,.92); }
.lightbox .stage { width: 100%; height: 100%; display: grid; place-items: center; padding: 3.5rem 4rem; }
.lightbox img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.lightbox button { position: fixed; border: 0; background: rgba(255,255,255,.15); color: #fff; width: 48px; height: 48px; border-radius: 50%; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.lightbox button:hover { background: var(--orange); }
.lightbox .close { top: 1rem; right: 1rem; }
.lightbox .prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox .next { right: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox .count { position: fixed; bottom: 1rem; left: 0; right: 0; text-align: center; color: #ccc; font-size: .9rem; }

/* Sidebar */
.sidebar { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: 1.5rem; }
.side-box { background: var(--panel); padding: 1.6rem 1.5rem; }
.side-box h2 { font-size: 1.05rem; text-transform: uppercase; color: var(--orange); text-align: center; margin: 0 0 1rem; }
.side-box h2::after { content: ""; display: block; width: 36px; height: 2px; background: var(--orange); margin: .7rem auto 0; }
.side-box p { font-size: .98rem; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { display: flex; gap: .75rem; align-items: flex-start; margin-bottom: .9rem; font-size: .98rem; line-height: 1.5; }
.contact-list svg { width: 18px; height: 18px; fill: var(--orange); flex: none; margin-top: .2rem; }
.contact-list a { color: var(--ink); text-decoration: none; font-weight: 600; }
.contact-list a:hover { color: var(--orange-dark); text-decoration: underline; }
.contact-list small { display: block; color: var(--muted); font-size: .85rem; font-weight: 400; }
.other-tours { list-style: none; margin: 0; padding: 0; }
.other-tours li + li { border-top: 1px solid #e3ded6; }
.other-tours a { display: block; padding: .6rem 0; color: var(--ink); text-decoration: none; font-family: var(--head); font-weight: 600; font-size: .95rem; }
.other-tours a:hover { color: var(--orange-dark); }
.other-tours a::after { content: " →"; color: var(--orange); }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; font-family: var(--head); font-weight: 700; color: var(--ink); font-size: 1.1rem; padding: 1.1rem 2.5rem 1.1rem 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .25rem; top: .9rem; font-size: 1.6rem; color: var(--orange); font-weight: 400; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 1.25rem; }
.callout { margin-top: 3rem; background: var(--panel); padding: 2rem; display: grid; grid-template-columns: 1fr auto; gap: 1.5rem 2rem; align-items: center; }
.callout h2 { margin: 0 0 .4rem; font-size: 1.3rem; }
.callout p { margin: 0; }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.contact-grid img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.contact-grid .contact-list li { font-size: 1.1rem; margin-bottom: 1.4rem; }
.contact-grid .contact-list svg { width: 22px; height: 22px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--footer); color: #9a9a9a; font-size: .97rem; }
.site-footer .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; padding: clamp(3rem, 6vw, 4.5rem) 0; }
.site-footer h2 { color: var(--orange); font-size: 1rem; text-transform: uppercase; margin: 0 0 1.25rem; }
.site-footer a { color: #c4c4c4; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer strong { color: #c4c4c4; font-weight: 600; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .6rem; }
.site-footer .base { background: var(--footer-base); text-align: center; padding: 1.1rem; font-size: .88rem; }
.to-top { position: fixed; right: 1rem; bottom: 1rem; width: 44px; height: 44px; border: 0; background: var(--orange); color: #fff; cursor: pointer; display: grid; place-items: center; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; z-index: 90; }
.to-top.show { opacity: 1; visibility: visible; }
.to-top svg { width: 18px; height: 18px; fill: currentColor; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .tour-cards { grid-template-columns: repeat(2, 1fr); }
  .tour-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--orange); display: none; max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .site-header.menu-open .nav { display: block; }
  .nav > ul { flex-direction: column; align-items: stretch; padding: .5rem 1.25rem 1.25rem; gap: 0; }
  .nav a, .nav button { padding: .8rem 0; width: 100%; text-align: left; border-bottom: 1px solid rgba(255,255,255,.25); }
  .nav .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: transparent; padding: 0 0 0 1rem; display: none; }
  .nav li.open > .sub { display: block; }
  .nav .sub a { color: #fff; }
  .logo img { width: 210px; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .callout { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .tour-cards { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: 1fr; }
  .slider { aspect-ratio: 3 / 2; }
  .slider .arrows { display: none; }
  .slider .dots { top: .75rem; bottom: auto; }
  .gallery { grid-template-columns: repeat(3, 1fr); gap: 4px; }
  .lightbox .stage { padding: 3.5rem .5rem; }
  .lightbox .prev, .lightbox .next { top: auto; bottom: 1rem; transform: none; }
}