:root {
  --ink: #0b0d0f;
  --paper: #f4f5f2;
  --white: #ffffff;
  --coral: #ff5a5f;
  --green: #b8ef3b;
  --blue: #2458d3;
  --line: #cdd1cb;
  --muted: #59615c;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; line-height: 1.5; }
body.nav-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }

.site-header { position: sticky; top: 0; z-index: 20; height: 72px; padding: 0 max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; background: rgba(244, 245, 242, .96); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; width: fit-content; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; color: var(--white); background: var(--ink); font-size: 18px; }
nav { display: flex; align-items: center; gap: 32px; }
nav a, .header-link { font-size: 14px; font-weight: 700; text-decoration: none; }
nav a:hover, .header-link:hover { color: var(--blue); }
.header-link { justify-self: end; }
.menu-button { display: none; justify-self: end; width: 42px; height: 42px; border: 1px solid var(--ink); background: transparent; font-size: 22px; cursor: pointer; }

.hero { position: relative; min-height: calc(100svh - 128px); padding: 72px max(24px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; overflow: hidden; color: var(--white); background: var(--ink) url('/assets/hero-ftozon.png') center 37% / cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: rgba(7, 9, 10, .69); }
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.eyebrow { margin: 0 0 22px; color: var(--green); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.7px; }
.eyebrow.dark { color: var(--blue); }
.hero h1 { margin: 0; font-size: clamp(72px, 12vw, 168px); line-height: .88; letter-spacing: 0; }
.hero-copy { max-width: 680px; margin: 30px 0 0; font-size: 25px; line-height: 1.35; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 40px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 0 22px; border: 1px solid transparent; border-radius: 4px; font-weight: 800; text-decoration: none; }
.button-primary { color: var(--ink); background: var(--green); }
.button-primary:hover { background: var(--white); }
.text-link { color: var(--white); font-weight: 800; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.6); }
.hero-proof { position: absolute; z-index: 2; right: max(24px, calc((100vw - var(--max)) / 2)); bottom: 24px; display: flex; gap: 12px; }
.hero-proof span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.45); border-radius: 4px; font-size: 12px; font-weight: 800; text-transform: uppercase; }

.intro-band { max-width: var(--max); margin: 0 auto; padding: 84px 24px 64px; display: grid; grid-template-columns: 1.35fr .65fr; gap: 90px; border-bottom: 1px solid var(--line); }
.intro-band h2, .section-heading h2, .company h2, .contact h2 { margin: 0; font-size: clamp(38px, 5.3vw, 72px); line-height: 1.03; letter-spacing: 0; }
.intro-band > p { margin: 44px 0 0; color: var(--muted); font-size: 19px; }

.product { min-height: 760px; padding: 96px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .82fr 1.18fr; gap: 84px; align-items: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.product-copy { max-width: 540px; }
.product-label { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; color: var(--blue); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.3px; }
.product-label img, .product-label .mini-mark { width: 34px; height: 34px; border-radius: 7px; object-fit: cover; }
.mini-mark { display: grid; place-items: center; color: var(--white); background: var(--blue); font-size: 11px; letter-spacing: 0; }
.product h2 { margin: 0; font-size: clamp(56px, 7vw, 96px); line-height: .95; letter-spacing: 0; }
.product-lead { margin: 28px 0; font-size: 23px; line-height: 1.4; }
.feature-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid currentColor; }
.feature-list li { padding: 15px 0 15px 28px; position: relative; border-bottom: 1px solid currentColor; font-weight: 650; }
.feature-list li::before { content: "+"; position: absolute; left: 0; color: var(--coral); font-weight: 900; }
.availability { margin: 22px 0 0; color: var(--muted); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; }

.product-ftozon { background: var(--paper); }
.device-stage { position: relative; height: 700px; }
.phone { position: absolute; width: min(340px, 45%); height: auto; border: 10px solid var(--ink); border-radius: 28px; box-shadow: 0 24px 60px rgba(0,0,0,.18); }
.phone-main { left: 8%; top: 0; transform: rotate(-3deg); }
.phone-secondary { right: 5%; bottom: -105px; transform: rotate(4deg); }

.product-call { grid-template-columns: 1.1fr .9fr; color: var(--white); background: #17191c; }
.product-call .product-copy { order: 2; }
.product-call .product-label.light { color: var(--green); }
.product-call .availability { color: #bfc4c0; }
.call-visual { min-height: 590px; padding: 26px; display: grid; grid-template-rows: auto 1fr auto; background: var(--white); color: var(--ink); border-radius: 8px; }
.call-topline { display: flex; align-items: center; gap: 12px; padding-bottom: 20px; border-bottom: 1px solid var(--line); font-weight: 800; }
.call-topline img { width: 44px; height: 44px; border-radius: 8px; }
.live-status { margin-left: auto; padding: 7px 10px; color: #155d32; background: #dff7e7; border-radius: 4px; font-size: 12px; }
.call-center { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.call-center p { margin: 0 0 8px; color: var(--muted); }
.call-center strong { font-size: 34px; }
.call-center > span { color: var(--muted); font-size: 14px; }
.wave { height: 90px; display: flex; align-items: center; gap: 8px; margin: 40px 0 26px; }
.wave i { display: block; width: 10px; height: 22px; background: var(--coral); border-radius: 8px; animation: wave 1.2s ease-in-out infinite; }
.wave i:nth-child(2), .wave i:nth-child(6) { height: 44px; animation-delay: .1s; }
.wave i:nth-child(3), .wave i:nth-child(5) { height: 70px; animation-delay: .2s; }
.wave i:nth-child(4) { height: 88px; animation-delay: .3s; }
.call-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.call-summary span { min-height: 58px; display: grid; place-items: center; padding: 8px; text-align: center; background: #edf0ec; border-radius: 4px; font-size: 12px; font-weight: 800; }
@keyframes wave { 0%,100% { transform: scaleY(.55); } 50% { transform: scaleY(1); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; } }

.product-studio { background: #e6f0ff; }
.dashboard-frame { margin: 0; padding: 12px 12px 0; background: var(--ink); border-radius: 8px; box-shadow: 0 24px 70px rgba(36,88,211,.22); }
.dashboard-frame img { width: 100%; border-radius: 3px; }
.dashboard-frame figcaption { padding: 12px 2px 13px; color: var(--white); font-size: 12px; font-weight: 700; }

.capabilities { padding: 110px max(24px, calc((100vw - var(--max)) / 2)); background: var(--white); }
.section-heading { max-width: 850px; }
.capability-grid { margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.capability-grid article { min-height: 280px; padding: 22px; border-right: 1px solid var(--ink); }
.capability-grid article:last-child { border-right: 0; }
.capability-grid span { color: var(--coral); font-weight: 900; }
.capability-grid h3 { margin: 58px 0 16px; font-size: 24px; }
.capability-grid p { color: var(--muted); }

.company { padding: 110px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 100px; color: var(--white); background: var(--blue); }
.company-copy { padding-top: 36px; font-size: 20px; }
.company-copy p { margin: 0 0 24px; }
.contact { padding: 110px max(24px, calc((100vw - var(--max)) / 2)); background: var(--green); }
.contact h2 { max-width: 920px; }
.contact > p:not(.eyebrow) { max-width: 680px; margin: 26px 0; font-size: 20px; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { color: var(--ink); background: var(--white); }

footer { min-height: 230px; padding: 48px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr 1fr; align-content: center; gap: 24px; color: var(--white); background: var(--ink); }
.footer-brand { color: var(--white); }
.footer-brand .brand-mark { color: var(--ink); background: var(--white); }
footer p { margin: 0; color: #bfc4c0; }
.footer-links { display: flex; gap: 24px; justify-self: end; }
.footer-links a { color: var(--white); }
footer > p:last-child { justify-self: end; }

.legal { min-height: calc(100vh - 72px); padding: 80px max(24px, calc((100vw - 860px) / 2)); background: var(--white); }
.legal h1 { margin: 0 0 14px; font-size: 58px; }
.legal h2 { margin: 42px 0 12px; font-size: 25px; }
.legal p, .legal li { color: #3d4540; font-size: 17px; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav, .header-link { display: none; }
  .menu-button { display: block; }
  .site-header.open nav { position: fixed; inset: 72px 0 0; display: flex; flex-direction: column; align-items: flex-start; padding: 40px 24px; background: var(--paper); }
  .site-header.open nav a { font-size: 32px; }
  .hero { min-height: calc(100svh - 110px); padding-top: 56px; padding-bottom: 100px; background-position: 47% 42%; }
  .hero-copy { font-size: 20px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-proof { left: 24px; right: auto; max-width: calc(100% - 48px); flex-wrap: wrap; }
  .intro-band, .product, .company { grid-template-columns: 1fr; gap: 48px; }
  .intro-band { padding-top: 64px; }
  .intro-band > p { margin-top: 0; }
  .product { min-height: auto; padding-top: 72px; padding-bottom: 72px; }
  .device-stage { height: 610px; }
  .phone { width: 48%; }
  .product-call .product-copy { order: 0; }
  .call-visual { min-height: 520px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-grid article:nth-child(2) { border-right: 0; }
  .capability-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 72px; }
  .hero-copy { font-size: 18px; }
  .button { width: 100%; }
  .intro-band h2, .section-heading h2, .company h2, .contact h2 { font-size: 39px; }
  .product h2 { font-size: 54px; }
  .product-lead { font-size: 19px; }
  .device-stage { height: 520px; }
  .phone { border-width: 6px; border-radius: 18px; }
  .phone-main { left: 0; }
  .phone-secondary { right: 0; bottom: -54px; }
  .call-visual { min-height: 460px; padding: 18px; }
  .call-center strong { font-size: 27px; }
  .call-summary { grid-template-columns: 1fr; }
  .call-summary span { min-height: 40px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .capability-grid article:last-child { border-bottom: 0; }
  .company { gap: 10px; }
  footer { grid-template-columns: 1fr; }
  .footer-links, footer > p:last-child { justify-self: start; }
  .legal h1 { font-size: 42px; }
}