:root {
  --ink: #0b0b0c;
  --ink-2: #121215;
  --surface: #18181c;
  --surface-2: #202026;
  --paper: #f4f1ea;
  --paper-2: #e9e5dc;
  --text: #f7f5ef;
  --muted: #aaa7a0;
  --dark-text: #171719;
  --dark-muted: #66645f;
  --line: rgba(255, 255, 255, 0.11);
  --dark-line: rgba(11, 11, 12, 0.13);
  --ember: #ff5c35;
  --ember-bright: #ff7958;
  --acid: #c7ff4a;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .04;
  z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}
a { color: inherit; }
button, input, select { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section-space { padding: 128px 0; }
.ambient { position: fixed; border-radius: 50%; filter: blur(120px); pointer-events: none; z-index: -1; }
.ambient-one { width: 360px; height: 360px; right: -150px; top: 80px; background: rgba(255, 92, 53, .18); }
.ambient-two { width: 380px; height: 380px; left: -220px; top: 580px; background: rgba(199, 255, 74, .08); }

.header { position: fixed; inset: 0 0 auto; z-index: 15; border-bottom: 1px solid transparent; transition: .25s ease; }
.header.is-scrolled { background: rgba(11, 11, 12, .86); border-color: var(--line); backdrop-filter: blur(20px); }
.nav-shell { min-height: 84px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; flex: 0 0 auto; }
.brand-mark { width: 42px; height: 42px; display: block; flex: 0 0 auto; object-fit: contain; filter: drop-shadow(0 8px 16px rgba(255,92,53,.2)); }
.brand-copy { display: grid; line-height: 1.05; gap: 5px; }
.brand-copy strong { font-size: 17px; letter-spacing: .04em; }
.brand-copy small { font-size: 10px; letter-spacing: .16em; color: var(--muted); }
.nav-menu { margin-left: auto; }
.nav-menu ul { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-menu a { position: relative; text-decoration: none; color: #d0cec8; font-size: 14px; font-weight: 600; }
.nav-menu a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 2px; background: var(--ember); transition: right .2s ease; }
.nav-menu a:hover { color: #fff; }
.nav-menu a:hover::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.language-switcher { height: 42px; padding: 0 10px; display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); }
.language-switcher select { color: #fff; border: 0; outline: 0; background: transparent; cursor: pointer; }
.language-switcher option { color: #111; }
.btn-subscribe { min-height: 42px; padding: 9px 18px; display: inline-flex; align-items: center; justify-content: center; color: #111; background: var(--acid); border-radius: 12px; font-weight: 800; font-size: 14px; text-decoration: none; }
.menu-toggle { display: none; border: 0; background: none; width: 42px; height: 42px; padding: 10px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 7px 0; background: #fff; transition: .2s; }

.hero { min-height: 850px; padding: 150px 0 88px; display: flex; align-items: center; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 74px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--ember-bright); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.eyebrow span { width: 26px; height: 1px; background: currentColor; }
.hero h1 { max-width: 720px; margin: 18px 0; font-size: clamp(17px, 2vw, 25px); line-height: 1.25; letter-spacing: -.015em; }
.hero-content > p { max-width: 620px; color: var(--muted); font-size: 18px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.btn-primary, .btn-secondary { min-height: 54px; padding: 14px 24px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border-radius: 14px; text-decoration: none; font-weight: 800; transition: transform .2s, background .2s, border-color .2s; }
.btn-primary { background: var(--ember); color: #fff; }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-2px); }
.btn-primary:hover { background: var(--ember-bright); }
.btn-secondary { color: #fff; border: 1px solid var(--line); }
.btn-secondary:hover { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.05); }
.hero-proof { margin-top: 60px; padding-top: 26px; display: flex; gap: 44px; border-top: 1px solid var(--line); }
.hero-proof div { display: grid; }
.hero-proof strong { font-size: 25px; line-height: 1.1; }
.hero-proof span { color: var(--muted); font-size: 12px; }
.hero-visual { position: relative; perspective: 1200px; }
.console-card { position: relative; background: #141417; border: 1px solid rgba(255,255,255,.16); border-radius: 26px; box-shadow: var(--shadow); transform: rotateY(-5deg) rotateX(2deg); overflow: hidden; }
.console-top { height: 52px; padding: 0 18px; display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); color: #8f8d92; font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.console-lights { display: flex; gap: 6px; }
.console-lights span { width: 7px; height: 7px; border-radius: 50%; background: #45454b; }
.console-lights span:first-child { background: var(--ember); }
.live-dot { margin-left: auto; color: var(--acid); }
.live-dot::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 14px var(--acid); }
.console-body { padding: 22px; }
.signal-panel { padding: 22px; background: #1a1a1f; border: 1px solid var(--line); border-radius: 17px; }
.signal-head { display: flex; justify-content: space-between; color: #9d9ba1; font-size: 12px; letter-spacing: .08em; }
.signal-head strong { color: var(--acid); font-size: 22px; letter-spacing: 0; }
.signal-chart { height: 150px; margin-top: 28px; display: flex; align-items: end; gap: 8px; border-bottom: 1px solid var(--line); }
.signal-chart i { flex: 1; background: linear-gradient(to top, var(--ember), #ff9e75); border-radius: 4px 4px 0 0; opacity: .85; }
.console-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
.mini-panel { min-height: 118px; padding: 17px; display: grid; align-content: space-between; background: #1a1a1f; border: 1px solid var(--line); border-radius: 17px; }
.mini-panel i { font-size: 20px; color: var(--acid); }
.mini-panel span { color: var(--muted); font-size: 13px; }
.mini-panel strong { font-size: 12px; letter-spacing: .08em; }
.mini-panel.orange { background: var(--ember); color: #fff; border-color: transparent; }
.mini-panel.orange i, .mini-panel.orange span { color: #fff; }
.console-list { border: 1px solid var(--line); border-radius: 17px; overflow: hidden; }
.console-list div { padding: 13px 16px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); color: #c8c5bf; font-size: 12px; }
.console-list div:last-child { border: 0; }
.console-list i { display: inline-block; width: 5px; height: 5px; margin-right: 9px; border-radius: 50%; background: var(--acid); }
.console-list b { color: #5e5c62; }
.orbit-label { position: absolute; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(18,18,21,.86); backdrop-filter: blur(12px); color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.orbit-a { left: -35px; top: 26%; }
.orbit-b { right: -30px; bottom: 18%; }

.services { color: var(--dark-text); background: var(--paper); }
.section-heading { margin-bottom: 52px; display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.section-heading h2, .section-title { margin-top: 10px; font-size: clamp(15px, 1.6vw, 22px); line-height: 1.25; letter-spacing: -.012em; }
.section-heading > p { max-width: 430px; color: var(--dark-muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.service-card { position: relative; min-height: 490px; padding: 32px; display: flex; flex-direction: column; border: 1px solid var(--dark-line); border-radius: var(--radius); background: rgba(255,255,255,.34); overflow: hidden; transition: transform .25s, background .25s; }
.service-card:hover { transform: translateY(-5px); background: #fff; }
.service-card.featured { color: #fff; background: var(--ink-2); border-color: var(--ink-2); }
.card-index { position: absolute; right: 24px; top: 18px; color: #aaa69d; font-size: 11px; font-weight: 800; }
.card-icon { width: 62px; height: 62px; margin-bottom: 70px; display: grid; place-items: center; color: var(--ember); border: 1px solid currentColor; border-radius: 18px; font-size: 22px; }
.service-card.featured .card-icon { color: var(--acid); }
.service-card h3 { margin-bottom: 14px; font-size: 14px; }
.service-card > p { color: var(--dark-muted); font-size: 14px; }
.service-card.featured > p { color: var(--muted); }
.feature-list { margin-top: auto; padding-top: 30px; list-style: none; }
.feature-list li { position: relative; padding: 8px 0 8px 18px; border-top: 1px solid var(--dark-line); font-size: 13px; }
.service-card.featured .feature-list li { border-color: var(--line); }
.feature-list li::before { content: "+"; position: absolute; left: 0; color: var(--ember); font-weight: 800; }

.tools { position: relative; background: var(--ink); overflow: hidden; }
.tools::after { content: "03"; position: absolute; right: -20px; bottom: -110px; color: rgba(255,255,255,.025); font-size: 440px; font-weight: 900; line-height: 1; pointer-events: none; }
.tools-layout { position: relative; z-index: 1; display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: start; }
.tools-intro-wrap { position: sticky; top: 130px; }
.tools-intro { max-width: 430px; margin: 26px 0 32px; color: var(--muted); font-size: 16px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--acid); font-weight: 800; text-decoration: none; }
.tools-grid { display: grid; gap: 14px; }
.tool-item { min-height: 190px; padding: 28px; display: grid; grid-template-columns: auto 1fr; gap: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.025); transition: background .2s, border-color .2s; }
.tool-item:hover { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.2); }
.tool-icon { width: 52px; height: 52px; display: grid; place-items: center; color: var(--ember); border-radius: 16px; background: rgba(255,92,53,.1); }
.tool-item span { color: #85828a; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.tool-item h4 { margin: 8px 0 10px; font-size: 14px; }
.tool-item p { color: var(--muted); font-size: 14px; }

.cta-section { padding: 0 0 100px; background: var(--ink); }
.cta-card { padding: 55px; display: flex; justify-content: space-between; align-items: center; gap: 50px; color: var(--dark-text); border-radius: 30px; background: var(--acid); }
.cta-card .section-kicker { color: #526f0d; }
.cta-card h2 { max-width: 650px; margin: 8px 0; font-size: clamp(16px, 2vw, 27px); line-height: 1.2; letter-spacing: -.02em; }
.cta-card p { color: #52603a; }
.cta-actions { display: flex; gap: 10px; flex: 0 0 auto; }
.cta-card .btn-primary { background: var(--ink); }
.cta-card .btn-secondary { color: var(--ink); border-color: rgba(0,0,0,.2); }

.footer { padding: 80px 0 30px; color: var(--text); background: #070708; border-top: 1px solid var(--line); }
.footer-content { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; padding-bottom: 70px; }
.footer-brand { margin-bottom: 26px; }
.footer-about p { max-width: 520px; color: var(--muted); }
.footer-contact { display: grid; align-content: start; gap: 10px; color: var(--muted); font-size: 14px; }
.footer-contact a { color: #fff; text-decoration: none; }
.footer-label { margin-bottom: 10px; color: #fff; font-weight: 800; }
.copyright { padding-top: 24px; display: flex; justify-content: space-between; color: #6f6d72; border-top: 1px solid var(--line); font-size: 12px; }

@media (max-width: 980px) {
  .nav-shell { gap: 16px; }
  .menu-toggle { display: block; margin-left: auto; }
  .nav-menu { position: absolute; top: 76px; left: 24px; right: 24px; display: none; padding: 20px; background: rgba(18,18,21,.98); border: 1px solid var(--line); border-radius: 18px; }
  .nav-menu.active { display: block; }
  .nav-menu ul { align-items: stretch; flex-direction: column; gap: 0; }
  .nav-menu a { display: block; padding: 10px; }
  .nav-actions .btn-subscribe { display: none; }
  .hero { min-height: auto; padding-top: 150px; }
  .hero-grid, .tools-layout { grid-template-columns: 1fr; }
  .hero-visual { max-width: 600px; margin: 0 auto; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 420px; }
  .tools-intro-wrap { position: static; }
  .cta-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .section-space { padding: 84px 0; }
  .brand-copy small { display: none; }
  .brand-mark { width: 36px; height: 36px; }
  .nav-shell { min-height: 70px; }
  .language-switcher i { display: none; }
  .language-switcher { padding: 0 7px; }
  .hero { padding: 125px 0 70px; }
  .hero-grid { gap: 54px; }
  .hero h1 { font-size: clamp(16px, 4.5vw, 21px); }
  .hero-content > p { font-size: 16px; }
  .hero-buttons, .hero-buttons a { width: 100%; }
  .hero-proof { justify-content: space-between; gap: 10px; }
  .hero-proof strong { font-size: 20px; }
  .hero-proof span { font-size: 12px; }
  .console-card { transform: none; }
  .console-grid { grid-template-columns: 1fr; }
  .orbit-label { display: none; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .service-card, .tool-item { padding: 24px; }
  .tool-item { grid-template-columns: 1fr; }
  .card-icon { margin-bottom: 44px; }
  .cta-card { padding: 32px 24px; }
  .cta-actions { width: 100%; flex-direction: column; }
  .footer-content { grid-template-columns: 1fr; gap: 48px; }
  .copyright { align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
