/* Standard dei portali Tackora (home di trama.tackora.it): barra fissa, hero diviso, schermate vere, chiaro e scuro. */
@font-face { font-family: "Nunito"; src: url("fonts/nunito-latin.woff2") format("woff2"); font-weight: 200 1000; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("fonts/IBMPlexSans-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("fonts/IBMPlexSans-SemiBold.woff2") format("woff2"); font-weight: 600; font-display: swap; }
:root {
  --bg: #f3f5f6; --raised: #fff; --ink: #1e2b33; --soft: #56646c; --line: #dde3e6;
  --accent: #e9a23b; --accent-ink: #1e2b33; --phone: #0d1418; --crystal: #1f8f9e;
  --display: "Nunito", "Trebuchet MS", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141c21; --raised: #1c272e; --ink: #e7edea; --soft: #9eacb2; --line: #2b3a42; --phone: #000; --crystal: #62dfe6; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; padding-inline: 20px; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.6 var(--body); }
img { max-width: 100%; display: block; }
.wrap { max-width: 1120px; margin-inline: auto; }
h1, h2, h3 { font-family: var(--display); line-height: 1.08; text-wrap: balance; margin: 0; letter-spacing: -.015em; }
p { margin: 0; }
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 10px; }
section { scroll-margin-top: 80px; padding-block: 64px; border-top: 1px solid var(--line); }

.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; background: var(--bg); box-shadow: 0 1px 0 var(--line), 0 0 0 100vmax var(--bg); clip-path: inset(0 -100vmax -1px); }
.brand { display: flex; align-items: center; gap: 10px; font: 900 1.45rem var(--display); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.top nav { display: flex; gap: 20px; align-items: center; font-size: .95rem; color: var(--soft); }
.top nav a { text-decoration: none; white-space: nowrap; }
.top nav a:hover { color: var(--ink); }
.top nav .lang { color: var(--ink); font-weight: 600; padding: 6px 14px; border-radius: 999px; background: var(--raised); border: 1px solid var(--line); }

.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; padding-block: 28px 72px; border: 0; }
.hero h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); font-weight: 900; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lede { margin-top: 22px; max-width: 34em; color: var(--soft); font-size: 1.15rem; }
.chips { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font-size: .85rem; padding: 4px 12px; border-radius: 999px; background: var(--raised); border: 1px solid var(--line); color: var(--soft); }
.cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; padding: 14px 22px; border-radius: 16px; font-weight: 600; text-decoration: none; }
.btn-main { background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 24px -12px var(--accent); }
.btn-ghost { background: var(--raised); border: 1px solid var(--line); }
.note { margin-top: 14px; font-size: .85rem; color: var(--soft); }

.stage { position: relative; display: flex; justify-content: center; }
.stage::before { content: ""; position: absolute; inset: 8% 4% 2%; border-radius: 48px; filter: blur(30px); opacity: .7;
  background: radial-gradient(circle at 30% 30%, rgba(98, 223, 230, .4), transparent 60%), radial-gradient(circle at 75% 70%, rgba(233, 162, 59, .45), transparent 60%); }
.phone { position: relative; width: min(300px, 100%); background: var(--phone); border-radius: 42px; padding: 10px; box-shadow: 0 30px 60px -20px rgba(10, 30, 25, .45); }
.phone img { border-radius: 33px; width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; }
.hero .phone { transform: rotate(-2deg); }
.hero figcaption { position: absolute; bottom: -30px; font-size: .85rem; color: var(--soft); }

.eyebrow { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--soft); font-weight: 600; }
.title { margin-top: 10px; font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; max-width: 18em; }
.sub { margin-top: 14px; max-width: 40em; color: var(--soft); }

.steps { margin-top: 36px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
.step { padding-top: 18px; border-top: 3px solid var(--accent); }
.step::before { counter-increment: step; content: counter(step); font: 800 2.4rem/1 var(--display); color: var(--accent); }
.step h3 { margin-top: 10px; font-size: 1.3rem; }
.step p { margin-top: 8px; color: var(--soft); }

.fleet { border: 0; margin-inline: -20px; padding-inline: 20px; color: #f2f5f3; background: linear-gradient(rgba(16, 28, 35, .86), rgba(16, 28, 35, .94)), url("img/cielo.jpg") center / cover; }
.fleet-in { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; align-items: center; }
.fleet .eyebrow { color: #62dfe6; }
.fleet .sub { color: #c5d0cf; }
.fleet-art { filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .5)); }
.ships { margin-top: 26px; display: grid; gap: 12px; }
.ship { padding: 14px 18px; border-radius: 16px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .13); }
.ship b { font: 800 1.2rem var(--display); }
.ship span { display: block; margin-top: 2px; color: #c5d0cf; font-size: .96rem; }

.screens { margin-top: 36px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.screens figure { margin: 0; display: grid; gap: 14px; align-content: start; }
.screens .phone { width: 100%; border-radius: 34px; padding: 8px; }
.screens .phone img { border-radius: 27px; }
.screens figcaption { color: var(--soft); font-size: .95rem; }
.screens figcaption b { display: block; font: 800 1.1rem var(--display); color: var(--ink); }

.cloud { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.cloud div { padding: 20px; border-radius: 18px; background: var(--raised); border: 1px solid var(--line); }
.cloud h3 { font-size: 1.15rem; }
.cloud p { margin-top: 6px; color: var(--soft); font-size: .98rem; }

details { border-top: 1px solid var(--line); padding: 14px 0; max-width: 46em; }
details:first-of-type { margin-top: 24px; }
summary { cursor: pointer; font-weight: 600; }
details p { margin-top: 8px; color: var(--soft); }

footer { border-top: 1px solid var(--line); padding-block: 26px 40px; display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; color: var(--soft); font-size: .92rem; }
footer strong { color: var(--ink); font-family: var(--display); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 12px 72px; }
  .fleet-in { grid-template-columns: 1fr; }
  .fleet-art { max-width: 260px; margin-inline: auto; }
  .steps, .cloud { grid-template-columns: 1fr; }
  .screens { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .top { flex-wrap: wrap; row-gap: 8px; padding-block: 10px 8px; }
  .top nav { order: 3; width: 100%; overflow-x: auto; gap: 18px; padding-bottom: 4px; scrollbar-width: none; }
  .top nav .lang { position: absolute; top: 10px; right: 0; }
  section { scroll-margin-top: 110px; }
}