/* Hi Tech Tourism — tema charter nautico. Niente border-radius, testi >= 14px. */
:root {
    --ht-navy: #0a1a2b;
    --ht-navy-2: #12283f;
    --ht-sea: #14b8c4;
    --ht-sea-dark: #0e8f99;
    --ht-sand: #f3f1ec;
    --ht-ink: #1b2430;
    --ht-muted: #5b6774;
    --ht-line: #e1e4e8;
    --ht-white: #ffffff;
    --ht-head: 'Space Grotesk', system-ui, sans-serif;
    --ht-body: 'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; border-radius: 0; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--ht-body); font-size: 16px; line-height: 1.6; color: var(--ht-ink); background: var(--ht-white); }
img { max-width: 100%; display: block; }
a { color: var(--ht-sea-dark); }
h1, h2, h3, h4 { font-family: var(--ht-head); line-height: 1.15; margin: 0 0 16px; color: inherit; }
h1 { font-size: clamp(34px, 5.5vw, 62px); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 700; letter-spacing: -0.015em; }
h2 small { font-size: 0.55em; font-weight: 500; color: var(--ht-muted); }
h3 { font-size: 22px; font-weight: 600; }
h4 { font-size: 16px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
p { margin: 0 0 16px; }

.ht-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.ht-center { text-align: center; }
.ht-eyebrow { font-family: var(--ht-head); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ht-sea-dark); margin-bottom: 12px; }

/* Bottoni */
.ht-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; font-family: var(--ht-head); font-size: 15px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.ht-btn--lg { padding: 16px 32px; font-size: 16px; }
.ht-btn--primary { background: var(--ht-sea); color: var(--ht-navy); border-color: var(--ht-sea); }
.ht-btn--primary:hover { background: var(--ht-sea-dark); border-color: var(--ht-sea-dark); color: var(--ht-white); }
.ht-btn--light { background: transparent; color: var(--ht-white); border-color: rgba(255,255,255,.7); }
.ht-btn--light:hover { background: var(--ht-white); color: var(--ht-navy); }
.ht-btn--ghost { background: transparent; color: var(--ht-navy); border-color: var(--ht-navy); }

/* Header */
.ht-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: transparent; transition: background .25s, box-shadow .25s; }
.ht-header.is-solid { background: var(--ht-navy); box-shadow: 0 2px 16px rgba(0,0,0,.18); }
.ht-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 76px; }
.ht-logo { display: flex; flex-direction: column; line-height: 1; text-decoration: none; color: var(--ht-white); font-family: var(--ht-head); }
.ht-logo__mark { font-size: 24px; font-weight: 700; letter-spacing: 0.06em; }
.ht-logo__sub { font-size: 14px; font-weight: 500; letter-spacing: 0.42em; color: var(--ht-sea); margin-top: 4px; }
.ht-nav { display: flex; gap: 32px; }
.ht-nav a { color: var(--ht-white); text-decoration: none; font-size: 15px; font-weight: 500; }
.ht-nav a:hover { color: var(--ht-sea); }

/* Hero */
.ht-hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; background-size: cover; background-position: center; color: var(--ht-white); padding: 140px 0 96px; }
.ht-hero__shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,26,43,.55) 0%, rgba(10,26,43,.15) 40%, rgba(10,26,43,.85) 100%); }
.ht-hero__content { position: relative; }
.ht-hero .ht-eyebrow { color: var(--ht-sea); }
.ht-hero__lead { font-size: 19px; max-width: 620px; opacity: .92; }
.ht-hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; }

/* Specs */
.ht-specs { background: var(--ht-navy); color: var(--ht-white); }
.ht-specs__grid { display: grid; grid-template-columns: repeat(6, 1fr); }
.ht-specs__grid > div { padding: 28px 16px; border-left: 1px solid rgba(255,255,255,.12); text-align: center; }
.ht-specs__grid > div:first-child { border-left: 0; }
.ht-specs strong { display: block; font-family: var(--ht-head); font-size: 26px; font-weight: 700; color: var(--ht-sea); }
.ht-specs span { font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; opacity: .8; }

/* Sezioni */
.ht-section { padding: 96px 0; }
.ht-section--alt { background: var(--ht-sand); }
.ht-section--dark { background: var(--ht-navy-2); color: var(--ht-white); }
.ht-section--dark .ht-eyebrow { color: var(--ht-sea); }
.ht-heading { max-width: 680px; margin-bottom: 48px; }
.ht-heading p:last-child { color: var(--ht-muted); font-size: 17px; }
.ht-note { margin-top: 32px; font-size: 14px; color: var(--ht-muted); }

/* Split barca */
.ht-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.ht-split__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.ht-split__text > p { color: var(--ht-muted); font-size: 17px; }
.ht-list { list-style: none; padding: 0; margin: 0 0 32px; }
.ht-list li { position: relative; padding: 10px 0 10px 28px; border-bottom: 1px solid var(--ht-line); font-size: 16px; }
.ht-list li::before { content: ''; position: absolute; left: 0; top: 19px; width: 12px; height: 2px; background: var(--ht-sea); }

/* Tour */
.ht-tours { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ht-tour { background: var(--ht-white); display: flex; flex-direction: column; border: 1px solid var(--ht-line); }
.ht-tour__img { position: relative; aspect-ratio: 4 / 3; background: var(--ht-navy-2) center / cover no-repeat; }
.ht-tour__tag { position: absolute; left: 0; top: 16px; background: var(--ht-sea); color: var(--ht-navy); font-family: var(--ht-head); font-size: 14px; font-weight: 600; padding: 4px 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.ht-tour__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.ht-tour__body > p { font-size: 15px; color: var(--ht-muted); }
.ht-tour__meta { font-size: 14px !important; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ht-sea-dark) !important; font-weight: 600; margin-bottom: 12px; }
.ht-tour__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--ht-line); }
.ht-tour__price { margin: 0; font-family: var(--ht-head); font-size: 24px; font-weight: 700; color: var(--ht-navy); }
.ht-tour__price span { display: block; font-size: 14px; font-weight: 500; color: var(--ht-muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* Steps */
.ht-steps { list-style: none; padding: 0; margin: 0 0 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.ht-steps li { border-top: 3px solid var(--ht-sea); padding-top: 24px; }
.ht-steps span { font-family: var(--ht-head); font-size: 40px; font-weight: 700; color: var(--ht-line); display: block; margin-bottom: 8px; }
.ht-steps p { color: var(--ht-muted); }

/* Contatti */
.ht-contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.ht-contact p { opacity: .85; font-size: 17px; }
.ht-contact__links { display: flex; flex-direction: column; gap: 12px; }
.ht-contact__links .ht-btn { text-transform: none; letter-spacing: 0; }

/* Footer */
.ht-footer { background: var(--ht-navy); color: rgba(255,255,255,.8); padding: 64px 0 24px; font-size: 15px; }
.ht-footer a { color: var(--ht-white); }
.ht-footer h4 { color: var(--ht-white); }
.ht-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.ht-footer__note { margin-top: 16px; }
.ht-footer__legal { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; }

/* Barra mobile */
.ht-mobilebar { display: none; }

@media (max-width: 1080px) {
    .ht-tours { grid-template-columns: repeat(2, 1fr); }
    .ht-specs__grid { grid-template-columns: repeat(3, 1fr); }
    .ht-specs__grid > div:nth-child(4) { border-left: 0; }
    .ht-specs__grid > div:nth-child(n+4) { border-top: 1px solid rgba(255,255,255,.12); }
}

@media (max-width: 820px) {
    .ht-nav, .ht-header__cta { display: none; }
    .ht-header { background: var(--ht-navy); }
    .ht-header__inner { height: 64px; }
    .ht-hero { min-height: 82vh; padding: 110px 0 64px; }
    .ht-section { padding: 64px 0; }
    .ht-split, .ht-contact, .ht-footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .ht-steps { grid-template-columns: 1fr; gap: 24px; }
    .ht-tours { grid-template-columns: 1fr; }
    body { padding-bottom: 72px; }
    .ht-mobilebar { display: flex; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; padding: 10px 12px; background: var(--ht-white); box-shadow: 0 -2px 12px rgba(0,0,0,.12); }
    .ht-mobilebar .ht-btn { flex: 1; }
}

@media (max-width: 520px) {
    .ht-specs__grid { grid-template-columns: repeat(2, 1fr); }
    .ht-specs__grid > div { border-left: 0; border-top: 1px solid rgba(255,255,255,.12); }
    .ht-specs__grid > div:nth-child(-n+2) { border-top: 0; }
    .ht-specs__grid > div:nth-child(even) { border-left: 1px solid rgba(255,255,255,.12); }
    .ht-hero__actions .ht-btn { width: 100%; }
}