:root { --bg: #050b14; --bg2: #0a1628; --ink: #e8eef6; --mute: #8fa3bb; --line: rgba(143,163,187,.18); --acc: #37c3ff; --acc2: #ff4747; --amber: #ffb020; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'Barlow', system-ui, sans-serif; font-size: 17px; line-height: 1.6; overflow-x: hidden; }
a { color: var(--acc); text-decoration: none; }
h1, h2, h3 { font-family: 'Barlow Condensed', 'Barlow', sans-serif; letter-spacing: .3px; margin: 0; }
h2 { font-size: clamp(34px, 4.5vw, 52px); font-weight: 700; line-height: 1.05; }
h3 { font-size: 28px; font-weight: 700; }
p { margin: 0 0 14px; }
.bg { position: fixed; inset: 0; z-index: -1; background: radial-gradient(1200px 700px at 70% -10%, #12335a 0%, transparent 60%), radial-gradient(900px 600px at -10% 110%, #0e2a45 0%, transparent 60%), var(--bg); }
#sea { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.radar { position: absolute; right: -180px; top: -180px; width: 720px; height: 720px; border-radius: 50%; background: conic-gradient(from 0deg, rgba(55,195,255,.25), transparent 22%); animation: sweep 6s linear infinite; mask: radial-gradient(circle, transparent 30%, black 31%, black 70%, transparent 71%); -webkit-mask: radial-gradient(circle, transparent 30%, black 31%, black 70%, transparent 71%); opacity: .5; }
@keyframes sweep { to { transform: rotate(360deg); } }
.top { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; padding: 14px 5vw; backdrop-filter: blur(12px); background: rgba(5,11,20,.6); border-bottom: 1px solid var(--line); }
.logo { color: var(--ink); font-family: 'Barlow Condensed'; font-size: 24px; letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }
.logo b { color: var(--acc); font-weight: 700; }
.logo small { color: var(--mute); font-size: 14px; letter-spacing: 0; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--acc2); box-shadow: 0 0 14px var(--acc2); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 4px var(--acc2); opacity: .7; } }
.top nav { display: flex; gap: 22px; font-weight: 500; }
.top nav a { color: var(--ink); opacity: .85; }
.top nav a.ext { color: var(--acc); }
.top nav a.admin { color: var(--mute); font-size: 14px; }
.top nav a.key { padding: 6px 14px; border-radius: 999px; background: rgba(55,195,255,.15); border: 1px solid rgba(55,195,255,.5); color: var(--acc); }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding: 70px 5vw 40px; min-height: 80vh; }
.kicker { text-transform: uppercase; letter-spacing: 3px; font-size: 13px; color: var(--acc); font-weight: 600; margin-bottom: 14px; }
h1 { font-size: clamp(42px, 5.6vw, 74px); line-height: 1; font-weight: 700; margin-bottom: 20px; }
.lead { font-size: 19px; color: #c6d3e2; max-width: 620px; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; margin: 24px 0 10px; }
.btn { display: inline-block; padding: 14px 26px; border-radius: 12px; font-weight: 600; letter-spacing: .3px; transition: transform .15s, box-shadow .15s; border: 1px solid transparent; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: linear-gradient(135deg, #37c3ff, #1f7ae0); color: #041022; box-shadow: 0 10px 30px rgba(55,195,255,.25); }
.btn.ghost { border-color: rgba(143,163,187,.4); color: var(--ink); }
.btn.small { padding: 10px 18px; font-size: 15px; background: rgba(55,195,255,.12); color: var(--acc); border-color: rgba(55,195,255,.35); }
.tiny { font-size: 13px; color: var(--mute); }
/* demo */
.hero-demo { position: relative; }
.demo-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.demo-tabs button { font: inherit; font-weight: 600; font-size: 14px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--mute); cursor: pointer; }
.demo-tabs button.on { background: rgba(55,195,255,.15); color: var(--acc); border-color: rgba(55,195,255,.5); }
.demo-stage { position: relative; aspect-ratio: 16 / 9.4; border-radius: 18px; background: #111417; padding: 4%; box-shadow: 0 30px 80px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08); overflow: hidden; }
.demo-stage::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,.06), transparent 40%); pointer-events: none; }
.screen { position: absolute; inset: 4%; border-radius: 6px; opacity: 0; transform: scale(.98); transition: opacity .5s, transform .5s; overflow: hidden; }
.screen.on { opacity: 1; transform: none; }
.demo-caption { margin-top: 12px; font-size: 14px; color: var(--mute); min-height: 44px; }
/* VHF */
.screen.vhf { background: #0d0203; color: #ff3a2e; font-family: 'Share Tech Mono', monospace; padding: 4% 5%; text-shadow: 0 0 8px rgba(255,58,46,.6); }
.vhf-top { display: flex; justify-content: space-between; align-items: flex-start; }
.vhf-flags { font-size: 12px; line-height: 1.5; opacity: .35; font-weight: 700; }
.vhf-flags.right { text-align: right; }
.vhf-ch { font-size: clamp(60px, 9vw, 120px); line-height: .9; font-weight: 700; letter-spacing: 4px; }
.vhf-body { margin-top: 6%; font-size: clamp(13px, 1.5vw, 20px); line-height: 1.5; white-space: pre; border-top: 1px solid rgba(255,58,46,.35); padding-top: 10px; min-height: 40%; }
.vhf-body .hl { background: #ff3a2e; color: #0d0203; padding: 0 4px; }
.vhf-body .big { font-size: 1.5em; font-weight: 700; }
/* MF/HF */
.screen.mfhf { background: #140506; color: #ff3a2e; font-family: 'Barlow Condensed', sans-serif; padding: 3% 5%; text-shadow: 0 0 6px rgba(255,58,46,.5); }
.mf-hdr { display: flex; justify-content: space-between; font-size: 15px; font-weight: 600; opacity: .9; }
.mf-freq { display: flex; align-items: baseline; gap: 14px; font-size: clamp(26px, 3.4vw, 46px); font-weight: 700; margin-top: 6px; }
.mf-freq span { width: 44px; font-size: .7em; }
.mf-freq small { font-size: .55em; }
.mf-body { margin-top: 5%; font-size: clamp(16px, 2vw, 26px); font-weight: 600; letter-spacing: 1px; white-space: pre-line; line-height: 1.35; min-height: 30%; }
.mf-body .hl { background: #f39c1f; color: #140506; padding: 0 6px; }
.mf-soft { position: absolute; left: 5%; right: 5%; bottom: 5%; display: flex; justify-content: space-between; font-weight: 700; font-size: 15px; letter-spacing: .5px; }
/* Capsat */
.screen.inmc { background: #1b1f9a; color: #f2f2f2; font-family: 'Share Tech Mono', monospace; font-size: clamp(9px, 1.15vw, 15px); padding: 3% 3% 2%; border: 3px double #f2f2f2; }
.cap-status { display: flex; justify-content: space-between; border-bottom: 3px double #f2f2f2; padding-bottom: 4px; gap: 8px; white-space: nowrap; }
.cap-title { color: #63e3ef; }
.cap-status .g { color: #4fd14f; font-style: normal; }
.cap-menu { display: flex; gap: 2.5%; border-bottom: 3px double #f2f2f2; padding: 4px 0; white-space: nowrap; overflow: hidden; }
.cap-menu u { color: #63e3ef; text-decoration: none; }
.cap-menu .hl { background: #8fe7ee; color: #1b1f9a; }
.cap-text { margin: 6px 0 0; white-space: pre-wrap; min-height: 38%; font: inherit; line-height: 1.35; }
.cap-dialog { position: absolute; left: 14%; right: 4%; top: 30%; display: none; border: 3px double #f2f2f2; background: #1b1f9a; box-shadow: 10px 10px 0 #000; padding: 6px 10px; line-height: 1.5; white-space: pre; }
.cap-dialog.on { display: block; }
.cap-dialog .c { color: #63e3ef; } .cap-dialog .hl { background: #8fe7ee; color: #1b1f9a; }
.cap-foot { position: absolute; left: 3%; right: 3%; bottom: 3%; display: flex; justify-content: space-between; color: #63e3ef; border-top: 1px dashed #63e3ef; padding-top: 3px; }
/* Iridium */
.screen.irid { background: #e6e6e6; color: #111; font-family: 'Barlow', sans-serif; display: flex; flex-direction: column; }
.ir-status { display: flex; justify-content: space-between; padding: 6px 10px 4px; font-size: clamp(10px, 1.2vw, 14px); line-height: 1.3; border-bottom: 2px solid #222; font-family: 'Barlow Condensed'; }
.ir-lbl { display: inline-block; width: 44px; }
.ir-icons { display: flex; gap: 10px; align-items: center; }
.ir-sig { display: inline-flex; align-items: flex-end; gap: 2px; height: 16px; }
.ir-sig i { width: 3px; background: #111; display: block; }
.ir-sig i:nth-child(1) { height: 4px } .ir-sig i:nth-child(2) { height: 7px } .ir-sig i:nth-child(3) { height: 10px } .ir-sig i:nth-child(4) { height: 13px } .ir-sig i:nth-child(5) { height: 16px }
.ir-view { flex: 1; position: relative; padding: 6px 12px; font-size: clamp(11px, 1.5vw, 19px); }
.ir-home { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #8a8a8a; }
.ir-logo { display: flex; align-items: baseline; gap: 6px; font-size: 1.6em; }
.ir-logo b { font-weight: 500; letter-spacing: -.5px; }
.ir-logo small { font-size: .45em; }
.ir-dots { letter-spacing: -2px; font-size: .9em; }
.ir-sub { font-size: .8em; }
.ir-red { background: #e8231f; color: #fff; text-align: center; font-size: 1.15em; padding: 2px; margin-bottom: 4px; }
.ir-red.green { background: #0f9d3a; }
.ir-kv { display: flex; justify-content: space-between; line-height: 1.45; }
.ir-pop { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 46%; background: #e8231f; color: #fff; text-align: center; font-size: 1.3em; line-height: 1.25; padding: 12px 0; }
.ir-pop.green { background: #0f9d3a; }
.ir-modal { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.ir-modal .box { position: absolute; left: 20%; right: 20%; top: 18%; background: #f2f2f2; color: #111; }
.ir-modal .box b { display: block; background: #2e75b6; color: #fff; text-align: center; font-weight: 500; padding: 3px; }
.ir-modal .box p { margin: 0; padding: 12px 14px; }
.ir-soft { display: flex; justify-content: space-between; padding: 4px 12px 6px; border-top: 2px solid #222; font-size: clamp(11px, 1.45vw, 18px); }
.ir-soft span:nth-child(2) { text-align: center; }
.ir-cnt { color: #808080; font-size: .85em; }
/* strip */
.strip { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; padding: 28px 5vw; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(10,22,40,.5); }
.strip div { display: flex; align-items: baseline; gap: 10px; }
.strip b { font-family: 'Barlow Condensed'; font-size: 44px; color: var(--acc); font-weight: 700; }
.strip span { color: var(--mute); }
/* devices */
.devices { padding: 80px 5vw 40px; }
.devices .sub { color: var(--mute); max-width: 820px; font-size: 18px; margin: 14px 0 50px; }
.device { display: grid; grid-template-columns: 1.15fr 1fr; gap: 44px; align-items: center; padding: 40px 0; border-top: 1px solid var(--line); }
.device.rev { direction: rtl; }
.device.rev > * { direction: ltr; }
.shot { position: relative; }
.shot img { width: 100%; height: auto; border-radius: 14px; box-shadow: 0 30px 70px rgba(0,0,0,.6); display: block; transition: transform .3s; }
.shot > a:first-child img:hover { transform: translateY(-4px) scale(1.01); }
.shot-alt { position: absolute; right: -6%; bottom: -12%; width: 46%; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,.7); border: 2px solid rgba(255,255,255,.08); transform: rotate(-3deg); transition: transform .3s; }
.shot-alt:hover { transform: rotate(0) scale(1.04); }
.shot-alt img { border-radius: 0; box-shadow: none; }
.tag { color: var(--amber); text-transform: uppercase; letter-spacing: 2px; font-size: 12px; font-weight: 700; margin-bottom: 6px; }
.info p { color: #c6d3e2; }
/* how */
.how { padding: 60px 5vw; }
.how-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 28px; }
.how-card { border: 1px solid var(--line); border-radius: 16px; padding: 24px; background: rgba(10,22,40,.6); }
.how-card h3 { font-size: 24px; margin-bottom: 8px; color: var(--acc); }
.how-card p { color: #c6d3e2; margin: 0; }
/* rent */
.rent { padding: 40px 5vw 60px; }
.rent-box { border-radius: 24px; padding: 48px; background: linear-gradient(135deg, rgba(55,195,255,.16), rgba(31,122,224,.06)); border: 1px solid rgba(55,195,255,.35); box-shadow: 0 30px 80px rgba(0,0,0,.4); }
.rent-box p { max-width: 860px; font-size: 18px; color: #dbe6f2; }
/* contact */
.contact { padding: 20px 5vw 80px; }
.form { display: grid; gap: 14px; max-width: 620px; margin-top: 20px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--mute); }
.form input, .form textarea { font: inherit; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: rgba(10,22,40,.8); color: var(--ink); }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form { position: relative; }
.form-msg { margin: 0; font-size: 15px; min-height: 22px; color: var(--mute); }
.form-msg.ok { color: #6f6; } .form-msg.err { color: var(--acc2); }
.form button { justify-self: start; cursor: pointer; border: 0; font: inherit; }
footer { padding: 30px 5vw 50px; border-top: 1px solid var(--line); color: var(--mute); font-size: 14px; }

/* reparto simulazione */
.dept { padding: 34px 5vw 0; }
.dept-frame { position: relative; display: grid; grid-template-columns: 1.35fr 1fr; gap: 40px; align-items: center; padding: 38px 44px; border-radius: 24px; overflow: hidden; border: 1px solid rgba(55,195,255,.35); background: linear-gradient(120deg, rgba(55,195,255,.14), rgba(10,22,40,.85) 45%, rgba(255,71,71,.10)); box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08); }
.dept-frame::before { content: ''; position: absolute; inset: -1px; border-radius: 24px; padding: 1px; background: linear-gradient(120deg, rgba(55,195,255,.8), transparent 35%, transparent 65%, rgba(255,71,71,.6)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.dept-scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: linear-gradient(90deg, transparent, rgba(55,195,255,.9), transparent); animation: scan 5s linear infinite; opacity: .6; pointer-events: none; }
@keyframes scan { to { transform: translateY(260px); } }
.dept-eyebrow { display: flex; align-items: center; gap: 10px; text-transform: uppercase; letter-spacing: 3px; font-size: 13px; color: var(--acc); font-weight: 700; margin-bottom: 10px; }
.live { width: 10px; height: 10px; border-radius: 50%; background: var(--acc2); box-shadow: 0 0 12px var(--acc2); animation: pulse 1.2s ease-in-out infinite; }
.dept-title { font-family: 'Barlow Condensed'; font-size: clamp(28px, 3.4vw, 46px); font-weight: 700; line-height: 1.05; margin: 0 0 14px; }
.dept-title a { color: #fff; border-bottom: 3px solid var(--acc); }
.dept-text { color: #dbe6f2; font-size: 17px; max-width: 720px; margin-bottom: 16px; }
.dept-links { display: flex; gap: 22px; flex-wrap: wrap; font-weight: 600; }
.dept-links a:nth-child(2) { color: var(--amber); }
.dept-console { font-family: 'Share Tech Mono', monospace; background: #06101c; border: 1px solid rgba(55,195,255,.35); border-radius: 16px; padding: 14px 16px 10px; box-shadow: inset 0 0 40px rgba(55,195,255,.08), 0 20px 50px rgba(0,0,0,.5); color: #bfe9ff; font-size: 15px; }
.con-top { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(55,195,255,.25); padding-bottom: 8px; margin-bottom: 10px; letter-spacing: 2px; font-size: 12px; color: var(--acc); }
.con-led { display: flex; gap: 6px; }
.con-led i { width: 8px; height: 8px; border-radius: 50%; background: #1c3; box-shadow: 0 0 8px #1c3; }
.con-led i:nth-child(2) { background: var(--amber); box-shadow: 0 0 8px var(--amber); animation: blink 2.4s steps(1) infinite; }
.con-led i:nth-child(3) { background: var(--acc2); box-shadow: 0 0 8px var(--acc2); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: .15; } }
.con-row { display: flex; align-items: center; gap: 14px; padding: 5px 0; border-bottom: 1px dashed rgba(143,163,187,.15); }
.con-lbl { width: 84px; color: var(--mute); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }
.con-utc { font-size: 26px; color: #fff; text-shadow: 0 0 12px rgba(55,195,255,.6); letter-spacing: 2px; }
.con-areas { display: flex; gap: 8px; }
.con-areas i { font-style: normal; padding: 2px 10px; border-radius: 6px; border: 1px solid rgba(143,163,187,.3); color: var(--mute); transition: all .4s; }
.con-areas i.on { color: #041022; background: var(--acc); border-color: var(--acc); box-shadow: 0 0 14px rgba(55,195,255,.6); }
.con-tick { color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.con-chan { color: var(--amber); }
.con-ok { display: flex; align-items: center; gap: 8px; color: #6f6; }
.con-ok i { width: 8px; height: 8px; border-radius: 50%; background: #6f6; box-shadow: 0 0 10px #6f6; animation: pulse 1.6s ease-in-out infinite; }
.con-wave { display: block; width: 100%; height: 60px; margin-top: 8px; }
.h1-b { color: var(--acc); }
/* faq */
.faq { padding: 40px 5vw 30px; }
.faq .sub { color: var(--mute); font-size: 18px; margin: 14px 0 28px; }
.faq-list { display: grid; gap: 12px; max-width: 980px; }
.faq-item { border: 1px solid var(--line); border-radius: 16px; background: rgba(10,22,40,.6); overflow: hidden; transition: border-color .2s; }
.faq-item[open] { border-color: rgba(55,195,255,.5); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; font-family: 'Barlow Condensed'; font-size: 24px; font-weight: 700; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(55,195,255,.5); position: relative; transition: transform .25s; }
.faq-item summary i::before, .faq-item summary i::after { content: ''; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; background: var(--acc); transform: translate(-50%, -50%); }
.faq-item summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-a { padding: 0 24px 22px; color: #c6d3e2; font-size: 17px; }
.faq-a p { margin: 0; max-width: 880px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 10px; }
.foot-links a { color: var(--mute); border-bottom: 1px solid rgba(143,163,187,.3); }
@media (prefers-reduced-motion: reduce) { .radar, .dept-scan, .live, .dot, .con-led i, .con-ok i { animation: none; } }
@media (max-width: 960px) {
  .dept-frame { grid-template-columns: 1fr; padding: 26px 22px; }
  .faq-item summary { font-size: 20px; padding: 16px 18px; }
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .device, .device.rev { grid-template-columns: 1fr; direction: ltr; }
  .how-grid { grid-template-columns: 1fr; }
  .top nav { display: none; }
  .shot-alt { right: 0; bottom: -8%; }
  .rent-box { padding: 28px; }
}