:root {
  --ink: #090a0c;
  --lime: #d6d9de;
  --cream: #f3f3f2;
  --white: #fff;
  --muted: #666a70;
  --line: #d9dadd;
  --silver: linear-gradient(135deg, #ffffff 0%, #b9bdc4 46%, #f5f5f5 72%, #8c9199 100%);
  --panel: #15171b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Manrope, Arial, sans-serif; color: var(--ink); background: var(--cream); }
a { color: inherit; text-decoration: none; }
.site-header { height: 84px; max-width: none; margin: auto; padding: 0 5vw; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 20; background: rgba(243,243,242,.9); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(20,20,20,.06); }
.logo { display: flex; gap: 11px; align-items: center; font-weight: 800; font-size: 21px; letter-spacing: -1px; }
.logo img { width: 46px; height: 46px; object-fit: cover; object-position: top; border-radius: 5px; mix-blend-mode: multiply; }
.logo > span { display: flex; flex-direction: column; line-height: .9; }
.logo small { font-size: 8px; letter-spacing: 1.35px; text-transform: uppercase; margin-top: 6px; font-weight: 700; }
nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
nav a:hover { opacity: .6; }
.nav-cta { background: var(--ink); color: white; padding: 14px 21px; border-radius: 6px; box-shadow: 0 10px 24px rgba(0,0,0,.12); }
.menu-button { display: none; border: 0; background: transparent; font: inherit; font-weight: 700; }
.hero { min-height: 720px; background: radial-gradient(circle at 75% 20%, #24272d 0, #101216 30%, var(--ink) 66%); color: white; display: grid; grid-template-columns: 56% 44%; overflow: hidden; }
.hero-content { padding: 92px 7vw 55px; position: relative; z-index: 2; }
.eyebrow { color: #70746b; text-transform: uppercase; font-size: 12px; line-height: 1.2; letter-spacing: 2.2px; font-weight: 800; margin: 0 0 24px; }
.hero .eyebrow, .contact .eyebrow { color: #c8cbd1; }
h1 { font-size: clamp(56px, 6.4vw, 98px); line-height: .96; letter-spacing: -6px; margin: 0; max-width: 790px; }
h1 span { background: var(--silver); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy { max-width: 620px; color: #c8cbc3; line-height: 1.75; margin: 30px 0; font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 32px; }
.button { border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: space-between; gap: 25px; padding: 18px 22px; font-family: inherit; font-weight: 800; border-radius: 6px; transition: transform .2s, box-shadow .2s; }
.button.primary { background: var(--silver); color: var(--ink); box-shadow: 0 14px 40px rgba(255,255,255,.1); }
.button:hover { transform: translateY(-3px); box-shadow: 0 18px 45px rgba(255,255,255,.16); }
.text-link { font-size: 14px; font-weight: 700; border-bottom: 1px solid #555; padding: 12px 0; }
.text-link span { color: #d7dae0; margin-left: 12px; }
.trust-row { display: flex; gap: 6%; border-top: 1px solid #292c32; margin-top: 55px; padding-top: 24px; }
.trust-row div { display: flex; flex-direction: column; }
.trust-row strong { color: #e1e3e7; font-size: 15px; }
.trust-row span { color: #777b82; font-size: 11px; margin-top: 3px; }
.hero-visual { position: relative; background: linear-gradient(145deg, #191b20, #0b0c0e); overflow: hidden; }
.grid-lines { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px); background-size: 58px 58px; transform: perspective(500px) rotateY(-4deg) scale(1.2); }
.port-card { position: absolute; top: 31%; left: 12%; width: 76%; padding: 34px; background: rgba(30,32,37,.88); backdrop-filter: blur(14px); box-shadow: 0 35px 90px #050506; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; transform: rotate(-5deg); }
.port-card small { color: #9da1a9; letter-spacing: 2px; margin-left: 10px; }
.port-card strong { display: block; margin: 12px 0 35px; font-size: 24px; }
.status-dot { display: inline-block; height: 8px; width: 8px; background: #e8eaed; border-radius: 50%; box-shadow: 0 0 18px white; }
.port { width: 140px; height: 110px; background: #08090b; border: 5px solid #686d75; display: flex; gap: 8px; align-items: flex-start; justify-content: center; padding-top: 18px; border-radius: 5px; }
.port i { height: 26px; width: 5px; background: #c6c9ce; }
.cable { position: absolute; border: 26px solid #bcc0c6; border-radius: 50%; z-index: 1; opacity: .9; box-shadow: inset 8px 8px 10px rgba(255,255,255,.3), 0 0 40px rgba(255,255,255,.06); }
.cable-one { width: 420px; height: 420px; top: -220px; left: 100px; }
.cable-two { width: 500px; height: 500px; bottom: -360px; right: -200px; }
.signal { position: absolute; width: 9px; height: 9px; background: #f1f2f4; border-radius: 50%; box-shadow: 0 0 20px white; }
.signal-one { right: 12%; top: 20%; }.signal-two { left: 10%; bottom: 16%; }
.section { padding: 110px 7vw; max-width: 1500px; margin: auto; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 55px; }
.section-heading h2, .benefit-intro h2, .contact h2 { font-size: clamp(38px, 4.3vw, 66px); letter-spacing: -4px; line-height: 1.02; margin: 0; }
.section-heading > p { color: var(--muted); line-height: 1.65; max-width: 410px; }
.product-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.product-card { min-height: 420px; background: rgba(255,255,255,.88); padding: 32px; display: flex; flex-direction: column; transition: .25s; border: 1px solid rgba(15,16,18,.07); border-radius: 12px; box-shadow: 0 10px 35px rgba(20,22,25,.04); }
.product-card:hover { transform: translateY(-7px); box-shadow: 0 24px 55px rgba(20,22,25,.1); }
.product-card.featured { background: linear-gradient(145deg, #e8e9eb, #b9bdc3); }
.product-card.dark { background: var(--ink); color: white; }
.product-number { align-self: flex-end; color: #8b8f82; font-size: 12px; }
.availability { align-self: flex-start; margin-top: -7px; padding: 6px 9px; border-radius: 999px; background: #121317; color: white; font-size: 9px; font-weight: 800; letter-spacing: .7px; text-transform: uppercase; }
.availability.planned { background: transparent; color: #555a62; border: 1px solid #9ca0a7; }
.product-card.dark .availability { background: #e1e3e6; color: #111216; }
.product-icon { font-size: 48px; margin: 52px 0 35px; color: #555a62; }
.product-code { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 15px; font-weight: 800; letter-spacing: 1px; }
.product-card.dark .product-icon { color: #d6d9de; }
.product-card h3 { font-size: 26px; margin: 0 0 12px; }
.product-card p { color: var(--muted); line-height: 1.65; margin: 0; }
.product-card.dark p { color: #a3a69f; }
.product-card a { margin-top: auto; font-size: 13px; font-weight: 800; display: flex; justify-content: space-between; border-top: 1px solid rgba(100,100,100,.25); padding-top: 20px; }
.benefits { background: white; padding: 110px 7vw; display: grid; grid-template-columns: 44% 48%; gap: 8%; border-top: 1px solid #eee; border-bottom: 1px solid #eee; }
.benefit-intro > p:last-child { max-width: 500px; color: var(--muted); line-height: 1.7; margin-top: 25px; }
.benefit-list article { display: flex; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.benefit-list article > span { color: #aaa; font-size: 12px; padding-top: 7px; }
.benefit-list h3 { margin: 0 0 8px; font-size: 20px; }
.benefit-list p { margin: 0; color: var(--muted); line-height: 1.5; }
.process { padding-bottom: 130px; }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 50px; }
.steps > div { border-top: 2px solid var(--ink); padding-top: 20px; position: relative; }
.steps span { background: linear-gradient(145deg, #f3f4f5, #adb1b8); width: 38px; height: 38px; display: grid; place-items: center; font-size: 13px; font-weight: 800; border-radius: 50%; box-shadow: 0 8px 20px rgba(20,20,20,.12); }
.steps h3 { font-size: 20px; margin-top: 28px; }
.steps p { color: var(--muted); line-height: 1.6; }
.contact { background: radial-gradient(circle at 80% 20%, #25282e, var(--ink) 48%); color: white; padding: 100px 7vw; display: grid; grid-template-columns: 46% 46%; gap: 8%; }
.contact > div > p:last-child { color: #aaa; line-height: 1.7; max-width: 530px; }
form { display: grid; gap: 20px; }
label { color: #a9ada4; font-size: 12px; font-weight: 700; letter-spacing: .5px; }
input, textarea { width: 100%; border: 0; border-bottom: 1px solid #454940; background: transparent; color: white; padding: 12px 0; font: inherit; resize: vertical; outline: none; }
input:focus, textarea:focus { border-color: #d9dce1; }
form .button { justify-content: center; margin-top: 8px; }
.form-note { text-align: center; font-size: 12px; color: #7f838a; }.form-note a { color: #d9dce1; }
footer { padding: 45px 7vw; display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 40px; align-items: center; font-size: 12px; color: var(--muted); }
footer > div { display: flex; gap: 22px; }

@media (max-width: 850px) {
  .site-header { height: 70px; }
  .menu-button { display: block; }
  nav { display: none; position: absolute; z-index: 10; top: 70px; left: 0; right: 0; padding: 25px 7vw; background: var(--cream); flex-direction: column; align-items: stretch; }
  nav.open { display: flex; }
  .hero { grid-template-columns: 1fr; }
  .hero-content { padding: 70px 7vw 50px; }
  h1 { letter-spacing: -4px; }
  .hero-visual { height: 430px; }
  .section { padding: 80px 7vw; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .product-grid, .steps { grid-template-columns: 1fr; }
  .benefits, .contact { grid-template-columns: 1fr; padding: 80px 7vw; }
  footer { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 500px) {
  .hero-actions, .trust-row { align-items: stretch; flex-direction: column; }
  .trust-row { gap: 14px; }
  .hero-visual { height: 350px; }
  .port-card { left: 7%; width: 86%; top: 20%; }
}