/* ==========================================================================
   Alba Cruise — static site stylesheet
   --------------------------------------------------------------------------
   Mobile-first: every rule here is the phone layout, and the @media blocks
   further down only widen what needs widening. Colours come from the logo
   (#B11116 deep red, #1F1C19 near-black, white, #EACD7B gold accent).
   ========================================================================== */

/* ---------------------------------------------------------------- tokens -- */
:root {
	--brand: #B11116;
	--brand-dark: #8C0D11;
	--brand-tint: #FBEDED;
	--ink: #1F1C19;
	--ink-soft: #3A3531;
	--muted: #6A635C;
	--gold: #EACD7B;
	--sand: #FAF7F2;
	--line: #E7E1D9;
	--white: #FFFFFF;
	--wa: #25D366;
	--wa-dark: #1EBE5B;

	--font-head: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--font-body: 'Open Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

	--wrap: 1140px;
	--gutter: 18px;
	--radius: 14px;
	--radius-lg: 20px;
	--shadow: 0 2px 4px rgba(31, 28, 25, .06), 0 12px 28px rgba(31, 28, 25, .07);
	--shadow-lg: 0 18px 44px rgba(31, 28, 25, .16);
}

/* ------------------------------------------------------------------ base -- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.65;
	color: var(--ink-soft);
	background: var(--white);
	overflow-x: hidden;
}

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

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
	font-family: var(--font-head);
	color: var(--ink);
	line-height: 1.2;
	margin: 0 0 .6em;
	font-weight: 700;
	letter-spacing: -.01em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.1em; }

:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

/* --------------------------------------------------------------- helpers -- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 44px 0; }
.section--sand { background: var(--sand); }
.section--tint { background: var(--brand-tint); }
.section--ink { background: var(--ink); color: #D9D3CC; }
.section--ink h2, .section--ink h3 { color: var(--white); }
.section--tight { padding: 30px 0; }

.center { text-align: center; }
.lead { font-size: 1.02rem; color: var(--muted); }
.section--ink .lead { color: #C9C2BA; }
.eyebrow {
	font-family: var(--font-head);
	font-size: .78rem;
	font-weight: 700;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--brand);
	margin: 0 0 .7em;
}
.section--ink .eyebrow { color: var(--gold); }
.hr { height: 1px; background: var(--line); border: 0; margin: 28px 0; }
.visually-hidden {
	position: absolute; width: 1px; height: 1px; overflow: hidden;
	clip: rect(0 0 0 0); white-space: nowrap;
}

/* --------------------------------------------------------------- buttons -- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 9px;
	min-height: 50px;
	padding: 13px 22px;
	border: 0;
	border-radius: 999px;
	font-family: var(--font-head);
	font-size: 1rem;
	font-weight: 600;
	line-height: 1;
	text-align: center;
	cursor: pointer;
	text-decoration: none;
	transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--brand); color: var(--white); }
.btn--primary:hover { background: var(--brand-dark); color: var(--white); }
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: #000; color: var(--white); }
.btn--wa { background: var(--wa); color: #06331A; }
.btn--wa:hover { background: var(--wa-dark); color: #06331A; }
.btn--ghost { background: transparent; color: var(--white); box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .7); }
.btn--ghost:hover { background: rgba(255, 255, 255, .14); color: var(--white); }
.btn--outline { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--white); }
.btn--block { width: 100%; }
.btn--sm { min-height: 44px; padding: 10px 16px; font-size: .92rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 0; }
.cta-row--center { justify-content: center; }
.cta-row .btn { flex: 1 1 auto; }

/* ---------------------------------------------------------------- header -- */
.hdr {
	position: sticky;
	top: 0;
	z-index: 60;
	background: rgba(255, 255, 255, .96);
	backdrop-filter: saturate(140%) blur(8px);
	border-bottom: 1px solid var(--line);
}
.hdr__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	min-height: 62px;
}
.hdr__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.hdr__logo img { width: 40px; height: auto; }
.hdr__logo span {
	font-family: var(--font-head);
	font-weight: 700;
	font-size: 1.02rem;
	color: var(--ink);
	letter-spacing: -.01em;
	line-height: 1.1;
}
.hdr__logo small { display: block; font-size: .66rem; font-weight: 600; color: var(--muted); letter-spacing: .08em; }

.nav {
	position: fixed;
	inset: 62px 0 auto 0;
	display: none;
	flex-direction: column;
	background: var(--white);
	border-bottom: 1px solid var(--line);
	box-shadow: var(--shadow);
	padding: 6px var(--gutter) 16px;
}
.nav--open { display: flex; }
.nav a {
	display: block;
	padding: 13px 4px;
	font-family: var(--font-head);
	font-weight: 600;
	font-size: 1rem;
	color: var(--ink);
	border-bottom: 1px solid var(--line);
	text-decoration: none;
}
.nav a:last-child { border-bottom: 0; }

.burger {
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 46px;
	height: 46px;
	padding: 0 11px;
	background: var(--white);
	border: 1px solid var(--line);
	border-radius: 12px;
	cursor: pointer;
}
.burger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }
.hdr__cta { display: none; }

/* ------------------------------------------------------------------ hero -- */
.hero {
	position: relative;
	color: var(--white);
	background: var(--ink) url('../img/hero-1024.jpg') center 40%/cover no-repeat;
	padding: 68px 0 60px;
}
.hero::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(15, 13, 11, .64) 0%, rgba(15, 13, 11, .50) 45%, rgba(15, 13, 11, .76) 100%);
}
.hero__inner { position: relative; z-index: 1; }
.hero__eyebrow {
	font-family: var(--font-head);
	font-size: .74rem;
	font-weight: 700;
	letter-spacing: .16em;
	text-transform: uppercase;
	color: var(--gold);
	margin: 0 0 12px;
}
.hero h1 {
	color: var(--white);
	font-size: 2rem;
	line-height: 1.14;
	margin-bottom: 14px;
	text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}
.hero__lead { font-size: 1.02rem; color: #F0EBE5; max-width: 34em; }
.hero__points { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.hero__points li { display: flex; gap: 9px; align-items: flex-start; font-size: .96rem; color: #EFEAE4; }
.hero__points svg { flex: 0 0 18px; width: 18px; height: 18px; margin-top: 3px; color: var(--gold); }

.badges {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 14px;
	margin: 22px 0 0;
	padding: 0;
	list-style: none;
}
.badges img { height: 32px; width: auto; }

/* ------------------------------------------------------- cards + trips --- */
.cards { display: grid; gap: 20px; }

.card {
	background: var(--white);
	border: 1px solid var(--line);
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow);
}
.card__media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--sand); }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__badge {
	position: absolute;
	left: 12px;
	top: 12px;
	background: var(--brand);
	color: var(--white);
	font-family: var(--font-head);
	font-size: .72rem;
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	padding: 6px 11px;
	border-radius: 999px;
}
.card__body { padding: 20px; }
.card__title { font-size: 1.2rem; margin-bottom: .4em; }
.card__meta { font-size: .92rem; color: var(--muted); margin: 0 0 14px; }

.facts { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 8px; }
.facts li { display: flex; gap: 9px; align-items: flex-start; font-size: .95rem; }
.facts svg { flex: 0 0 17px; width: 17px; height: 17px; margin-top: 4px; color: var(--brand); }

.price {
	display: flex;
	align-items: baseline;
	flex-wrap: wrap;
	gap: 6px;
	font-family: var(--font-head);
	margin: 0 0 4px;
}
.price__label { font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); width: 100%; }
.price__value { font-size: 1.5rem; font-weight: 700; color: var(--ink); }
.price__unit { font-size: .9rem; color: var(--muted); }
.price--sm .price__value { font-size: 1.15rem; }

.incl { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px; }
.incl h4 { font-size: .92rem; margin: 0 0 6px; }
.incl p { font-size: .9rem; color: var(--muted); margin: 0; }

/* ------------------------------------------------------------- timetable -- */
.tl { list-style: none; margin: 0; padding: 0 0 0 6px; }
.tl li {
	position: relative;
	padding: 0 0 18px 26px;
	border-left: 2px solid var(--line);
}
.tl li:last-child { border-left-color: transparent; padding-bottom: 0; }
.tl li::before {
	content: '';
	position: absolute;
	left: -8px;
	top: 5px;
	width: 12px;
	height: 12px;
	background: var(--brand);
	border: 2px solid var(--white);
	border-radius: 50%;
	box-shadow: 0 0 0 2px var(--brand-tint);
}
.tl time {
	display: block;
	font-family: var(--font-head);
	font-weight: 700;
	font-size: .95rem;
	color: var(--ink);
}
.tl span { font-size: .95rem; color: var(--muted); }
.tl li.is-finish::before { background: var(--gold); box-shadow: 0 0 0 2px #F6EEDC; }

/* --------------------------------------------------------------- gallery -- */
.gal { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.gal button {
	display: block;
	width: 100%;
	padding: 0;
	border: 0;
	background: none;
	cursor: zoom-in;
	border-radius: var(--radius);
	overflow: hidden;
}
.gal img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .3s ease; }
.gal button:hover img { transform: scale(1.04); }

.lb {
	position: fixed;
	inset: 0;
	z-index: 200;
	display: none;
	align-items: center;
	justify-content: center;
	background: rgba(15, 13, 11, .94);
	padding: 16px;
}
.lb--open { display: flex; }
.lb img { max-width: 100%; max-height: 84vh; border-radius: 10px; }
.lb__close {
	position: absolute;
	top: 14px;
	right: 14px;
	width: 46px;
	height: 46px;
	border: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, .16);
	color: var(--white);
	font-size: 1.5rem;
	line-height: 1;
	cursor: pointer;
}
.lb__cap { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; color: #E8E2DA; font-size: .9rem; }

/* -------------------------------------------------- details / accordion -- */
.acc { border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); margin: 0 0 12px; }
.acc summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 15px 18px;
	font-family: var(--font-head);
	font-weight: 600;
	color: var(--ink);
	cursor: pointer;
	list-style: none;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
	content: '+';
	font-size: 1.3rem;
	line-height: 1;
	color: var(--brand);
}
.acc[open] summary::after { content: '\2013'; }
.acc__body { padding: 0 18px 18px; font-size: .95rem; color: var(--muted); }
.acc__body ul { margin: 0; }

/* ------------------------------------------------------------------ form -- */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field__label { font-family: var(--font-head); font-weight: 600; font-size: .93rem; color: var(--ink); }
.field__hint { font-size: .84rem; color: var(--muted); margin: 0; }
.field__input,
select.field__input,
textarea.field__input {
	width: 100%;
	min-height: 50px;
	padding: 12px 14px;
	font-family: var(--font-body);
	font-size: 1rem;
	color: var(--ink);
	background: var(--white);
	border: 1.5px solid var(--line);
	border-radius: 12px;
}
textarea.field__input { min-height: 96px; resize: vertical; }
.field__input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(177, 17, 22, .12); }
.field__input[aria-invalid="true"] { border-color: var(--brand); background: #FFF7F7; }

.row { display: grid; gap: 16px; }
.choice {
	display: flex;
	gap: 11px;
	align-items: flex-start;
	padding: 13px 14px;
	border: 1.5px solid var(--line);
	border-radius: 12px;
	background: var(--white);
	cursor: pointer;
	font-size: .95rem;
}
.choice input { margin: 3px 0 0; accent-color: var(--brand); width: 18px; height: 18px; flex: 0 0 18px; }
.choice strong { font-family: var(--font-head); color: var(--ink); }
.choice span { display: block; color: var(--muted); font-size: .9rem; }
.choice:has(input:checked) { border-color: var(--brand); background: var(--brand-tint); }

.estimate {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 10px;
	padding: 14px 16px;
	background: var(--ink);
	color: var(--white);
	border-radius: 12px;
	font-family: var(--font-head);
}
.estimate b { font-size: 1.3rem; }
.estimate small { display: block; font-size: .78rem; font-weight: 500; color: #C9C2BA; }

.notice {
	padding: 13px 15px;
	border-radius: 12px;
	background: var(--sand);
	border: 1px solid var(--line);
	font-size: .9rem;
	color: var(--muted);
}

/* ---------------------------------------------------------------- footer -- */
.ftr { background: var(--ink); color: #BFB8B0; padding: 40px 0 90px; font-size: .95rem; }
.ftr h3 { color: var(--white); font-size: 1rem; margin-bottom: .5em; }
.ftr a { color: #EFEAE4; }
.ftr__grid { display: grid; gap: 26px; }
.ftr__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.ftr__links a { text-decoration: none; }
.ftr__links a:hover { text-decoration: underline; }
.ftr__logo { width: 54px; margin-bottom: 12px; }
.ftr__bottom {
	margin-top: 28px;
	padding-top: 18px;
	border-top: 1px solid rgba(255, 255, 255, .14);
	font-size: .84rem;
	display: flex;
	flex-wrap: wrap;
	gap: 8px 18px;
	justify-content: space-between;
}

/* ------------------------------------------------- sticky mobile bar ----- */
.mobilebar {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 70;
	display: flex;
	gap: 10px;
	padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
	background: rgba(255, 255, 255, .97);
	border-top: 1px solid var(--line);
	box-shadow: 0 -6px 20px rgba(31, 28, 25, .08);
}
.mobilebar .btn { flex: 1; }
body.has-mobilebar { padding-bottom: 78px; }

/* ============================================================== wider ==== */
@media (min-width: 640px) {
	:root { --gutter: 24px; }
	h1 { font-size: 2.2rem; }
	h2 { font-size: 1.7rem; }
	.section { padding: 56px 0; }
	.hero { padding: 82px 0 72px; }
	.hero h1 { font-size: 2.6rem; }
	.row { grid-template-columns: 1fr 1fr; }
	.gal { grid-template-columns: repeat(3, 1fr); gap: 12px; }
	.ftr__grid { grid-template-columns: 1.4fr 1fr 1fr; }
	.est-row { display: flex; align-items: center; gap: 16px; }
	.est-row .estimate { flex: 1; }
}

@media (min-width: 900px) {
	:root { --gutter: 32px; }
	.section { padding: 72px 0; }
	.hero { padding: 104px 0 92px; }
	.hero h1 { font-size: 3rem; max-width: 22ch; }
	.hero__lead { font-size: 1.08rem; }
	.cards--2 { grid-template-columns: 1fr 1fr; }
	.gal { grid-template-columns: repeat(4, 1fr); }
	.burger { display: none; }
	.nav {
		position: static;
		display: flex;
		flex-direction: row;
		align-items: center;
		gap: 26px;
		background: none;
		border: 0;
		box-shadow: none;
		padding: 0;
	}
	.nav a { padding: 6px 0; border: 0; font-size: .96rem; }
	.nav a:hover { color: var(--brand); text-decoration: none; }
	.hdr__cta { display: inline-flex; }
	.mobilebar { display: none; }
	body.has-mobilebar { padding-bottom: 0; }
	.ftr { padding: 56px 0 40px; }
	.form--booking { grid-template-columns: 1.15fr .85fr; align-items: start; }
	.form--booking .form__main { display: grid; gap: 16px; }
	.form__aside { position: sticky; top: 84px; display: grid; gap: 16px; }
}

@media (min-width: 1200px) {
	.hero { padding: 118px 0 104px; }
	.section { padding: 80px 0; }
}

/* ------------------------------------------------- booking page details -- */
.form__main { display: grid; gap: 16px; }
.form--booking .form__aside { display: grid; gap: 14px; align-content: start; }
.fs { border: 0; padding: 0; margin: 0; }
.fs legend { padding: 0 0 10px; }
.stack { display: grid; gap: 10px; }
.opt { font-weight: 400; color: var(--muted); }
.estimate { flex-wrap: wrap; }
.estimate b { white-space: nowrap; }
.estimate > span:last-child { text-align: right; font-size: .9rem; }
