/* operion — design system */
:root {
  --bg: #05070d;
  --bg-2: #080b14;
  --bg-3: #0c1120;
  --surface: rgba(255, 255, 255, 0.025);
  --surface-2: rgba(255, 255, 255, 0.045);
  --line: rgba(150, 170, 220, 0.12);
  --line-2: rgba(150, 170, 220, 0.22);
  --text: #e9edf7;
  --text-2: #b7bfd3;
  --muted: #7d869c;
  --cyan: #4fd6ff;
  --violet: #7b6bff;
  --mint: #3ee8b5;
  --amber: #ffc56b;
  --rose: #ff6b8b;
  --grad: linear-gradient(120deg, #4fd6ff 0%, #7b6bff 100%);
  --grad-soft: linear-gradient(120deg, rgba(79, 214, 255, 0.14), rgba(123, 107, 255, 0.14));
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --nav-h: 76px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(79, 214, 255, 0.3); color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- background layers ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none; border-radius: 50%;
  filter: blur(100px); opacity: 0.45;
}
.bg-glow.a { width: 620px; height: 620px; top: -260px; left: -160px; background: radial-gradient(circle, rgba(79, 214, 255, 0.5), transparent 65%); animation: drift 22s ease-in-out infinite alternate; }
.bg-glow.b { width: 700px; height: 700px; top: -200px; right: -260px; background: radial-gradient(circle, rgba(123, 107, 255, 0.5), transparent 65%); animation: drift 26s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate(80px, 60px) scale(1.1); } }

/* ---------- navbar ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.5rem; letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff 30%, #9fdcff 70%, #a99dff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative; z-index: 2;
}
.nav-links {
  display: flex; align-items: center; gap: 4px;
  padding: 6px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  position: relative;
}
.nav-links a {
  position: relative; z-index: 1;
  font-size: 0.925rem; font-weight: 500; color: var(--text-2);
  padding: 8px 18px; border-radius: 999px;
  transition: color 0.25s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-indicator {
  position: absolute; top: 6px; bottom: 6px; left: 0; width: 0;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(79, 214, 255, 0.18), rgba(123, 107, 255, 0.22));
  box-shadow: inset 0 0 0 1px rgba(150, 190, 255, 0.25), 0 0 24px rgba(100, 150, 255, 0.15);
  transition: left 0.4s var(--ease), width 0.4s var(--ease), opacity 0.3s;
  opacity: 0;
}
.nav-cta { display: flex; align-items: center; gap: 12px; }

.menu-toggle {
  display: none; position: relative; z-index: 2;
  width: 46px; height: 46px; border-radius: 12px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03);
  cursor: pointer; color: var(--text);
}
.menu-toggle span {
  position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor;
  transition: transform 0.35s var(--ease), opacity 0.2s;
}
.menu-toggle span:nth-child(1) { top: 17px; }
.menu-toggle span:nth-child(2) { top: 22.5px; }
.menu-toggle span:nth-child(3) { top: 28px; }
body.menu-open .menu-toggle span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(5, 7, 13, 0.96);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--nav-h) + 20px) var(--gutter) 40px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
body.menu-open { overflow: hidden; }
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu ol { list-style: none; margin: 0; padding: 0; counter-reset: m; }
.mobile-menu li {
  counter-increment: m; border-bottom: 1px solid var(--line);
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
body.menu-open .mobile-menu li { opacity: 1; transform: none; }
body.menu-open .mobile-menu li:nth-child(2) { transition-delay: 0.05s; }
body.menu-open .mobile-menu li:nth-child(3) { transition-delay: 0.1s; }
body.menu-open .mobile-menu li:nth-child(4) { transition-delay: 0.15s; }
body.menu-open .mobile-menu li:nth-child(5) { transition-delay: 0.2s; }
.mobile-menu ol a {
  display: flex; align-items: baseline; gap: 16px; padding: 18px 0;
  font-family: var(--font-display); font-size: clamp(1.8rem, 8vw, 2.6rem); font-weight: 500; letter-spacing: -0.02em;
}
.mobile-menu ol a::before {
  content: "0" counter(m); font-family: var(--font-mono); font-size: 0.8rem; color: var(--cyan);
}
.mobile-menu ol a.active { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mobile-menu .mm-foot { margin-top: 40px; color: var(--muted); font-size: 0.9rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 600; font-size: 0.95rem;
  padding: 13px 24px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s, border-color 0.25s;
  white-space: nowrap; font-family: inherit;
}
.btn svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: var(--grad); color: #050810;
  box-shadow: 0 8px 30px rgba(90, 140, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(90, 140, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.btn-ghost { background: rgba(255, 255, 255, 0.03); border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); border-color: rgba(150, 190, 255, 0.4); }
.btn-sm { padding: 10px 18px; font-size: 0.875rem; }

/* ---------- typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.025em; line-height: 1.1; margin: 0; }
h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h3 { font-size: 1.3rem; letter-spacing: -0.015em; }
p { margin: 0; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-2); line-height: 1.6; }
.muted { color: var(--muted); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--grad); }
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 8px; border-radius: 999px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03);
  font-size: 0.85rem; color: var(--text-2);
}
.pill b { font-weight: 600; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: #050810; background: var(--grad); padding: 3px 9px; border-radius: 999px; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 0 rgba(62, 232, 181, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(62, 232, 181, 0); } 100% { box-shadow: 0 0 0 0 rgba(62, 232, 181, 0); } }

/* ---------- sections ---------- */
section { position: relative; }
.section { padding: clamp(80px, 11vw, 140px) 0; }
.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head h2 { margin: 18px 0 18px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }

/* ---------- hero ---------- */
.hero { padding: calc(var(--nav-h) + clamp(60px, 10vw, 120px)) 0 clamp(70px, 9vw, 110px); }
.hero h1 { margin: 26px 0 26px; max-width: 14ch; }
.hero .lead { max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero-meta {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  margin-top: clamp(56px, 8vw, 90px);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--line);
}
.hero-meta div { background: var(--bg-2); padding: 24px 26px; }
.hero-meta strong { display: block; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.hero-meta span { color: var(--muted); font-size: 0.9rem; }

.page-hero { padding: calc(var(--nav-h) + clamp(56px, 8vw, 100px)) 0 clamp(48px, 6vw, 80px); }
.page-hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); margin: 22px 0 22px; max-width: 18ch; }
.page-hero .lead { max-width: 62ch; }

/* orbit visual */
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
.orbit { position: relative; aspect-ratio: 1; width: 100%; max-width: 460px; margin-left: auto; }
.orbit .ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--line-2); }
.orbit .ring.r2 { inset: 14%; border-style: dashed; border-color: rgba(123, 107, 255, 0.3); animation: spin 60s linear infinite; }
.orbit .ring.r3 { inset: 30%; border-color: rgba(79, 214, 255, 0.28); animation: spin 40s linear infinite reverse; }
.orbit .ring.r1 { animation: spin 90s linear infinite; }
.orbit .ring::after {
  content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 18px var(--cyan);
}
.orbit .ring.r2::after { background: var(--violet); box-shadow: 0 0 18px var(--violet); top: auto; bottom: -5px; }
.orbit .ring.r3::after { background: var(--mint); box-shadow: 0 0 18px var(--mint); left: -5px; top: 50%; }
.orbit .core {
  position: absolute; inset: 40%; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #9fe6ff, #6b7dff 45%, #2a1f7a 80%);
  box-shadow: 0 0 80px rgba(100, 140, 255, 0.55), inset 0 0 30px rgba(255, 255, 255, 0.2);
}
.orbit .tag {
  position: absolute; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-2);
  padding: 7px 12px; border-radius: 10px; background: rgba(10, 14, 26, 0.85); border: 1px solid var(--line-2);
  backdrop-filter: blur(8px); white-space: nowrap;
}
.orbit .tag i { font-style: normal; color: var(--cyan); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative; padding: 30px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  transition: border-color 0.35s, transform 0.35s var(--ease), background 0.35s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(100, 160, 255, 0.12), transparent 45%);
  opacity: 0; transition: opacity 0.35s;
}
.card:hover { border-color: rgba(150, 190, 255, 0.3); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card h3 { margin: 22px 0 10px; }
.card p { color: var(--muted); font-size: 0.97rem; }
.icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid rgba(130, 170, 255, 0.25);
  color: var(--cyan);
}
.icon svg { width: 22px; height: 22px; }
.card .num { position: absolute; top: 28px; right: 30px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.card ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; }
.card li { display: flex; gap: 10px; align-items: baseline; font-size: 0.93rem; color: var(--text-2); }
.card li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 2px; background: var(--cyan); transform: translateY(-2px); }

.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; font-weight: 600; font-size: 0.92rem; color: var(--cyan); }
.card-link svg { width: 15px; height: 15px; transition: transform 0.25s var(--ease); }
.card:hover .card-link svg { transform: translateX(4px); }

/* ---------- product showcase ---------- */
.showcase {
  position: relative; border-radius: 28px; padding: clamp(28px, 5vw, 64px);
  background: linear-gradient(160deg, rgba(79, 214, 255, 0.07), rgba(123, 107, 255, 0.07) 60%, rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line-2); overflow: hidden;
}
.showcase::after {
  content: ""; position: absolute; width: 500px; height: 500px; right: -150px; top: -200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 107, 255, 0.28), transparent 65%); pointer-events: none;
}
.showcase-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.product-name { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.4rem, 5vw, 3.6rem); letter-spacing: -0.04em; line-height: 1; }
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); }
.checks li svg { flex: none; width: 20px; height: 20px; color: var(--mint); margin-top: 3px; }

/* app mockup */
.mock {
  border-radius: 16px; border: 1px solid var(--line-2);
  background: #0a0f1c; box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  overflow: hidden; font-size: 12px;
}
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a3146; }
.mock-bar .url { margin-left: 10px; flex: 1; padding: 5px 12px; border-radius: 7px; background: rgba(255, 255, 255, 0.04); color: var(--muted); font-family: var(--font-mono); font-size: 11px; }
.mock-body { display: grid; grid-template-columns: 150px 1fr; min-height: 330px; }
.mock-side { border-right: 1px solid var(--line); padding: 14px 10px; display: grid; align-content: start; gap: 3px; }
.mock-side .logo { font-family: var(--font-display); font-weight: 600; font-size: 14px; padding: 2px 8px 12px; }
.mock-side span { padding: 7px 10px; border-radius: 8px; color: var(--muted); display: flex; gap: 8px; align-items: center; }
.mock-side span::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: currentColor; opacity: 0.5; }
.mock-side span.on { background: rgba(79, 214, 255, 0.1); color: #fff; }
.mock-side span.on::before { background: var(--cyan); opacity: 1; }
.mock-main { padding: 16px; display: grid; gap: 12px; align-content: start; }
.mock-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi { border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; background: rgba(255, 255, 255, 0.02); }
.kpi small { color: var(--muted); display: block; font-size: 10.5px; }
.kpi b { font-family: var(--font-display); font-size: 18px; font-weight: 600; }
.kpi em { font-style: normal; font-size: 10.5px; color: var(--mint); margin-left: 6px; }
.mock-panel { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: rgba(255, 255, 255, 0.02); }
.mock-panel h5 { margin: 0 0 10px; font-size: 11.5px; font-weight: 600; color: var(--text-2); display: flex; justify-content: space-between; }
.mock-panel h5 span { color: var(--muted); font-weight: 400; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 74px; }
.bars i { flex: 1; border-radius: 4px 4px 1px 1px; background: linear-gradient(180deg, var(--cyan), rgba(123, 107, 255, 0.5)); opacity: 0.85; transform-origin: bottom; animation: grow 1.2s var(--ease) both; }
@keyframes grow { from { transform: scaleY(0.1); } }
.shift { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 8px; margin-top: 6px; color: var(--muted); font-size: 11px; }
.shift div { position: relative; height: 16px; border-radius: 5px; background: rgba(255, 255, 255, 0.03); }
.shift div i { position: absolute; top: 0; bottom: 0; border-radius: 5px; }

/* ---------- process / steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: s; position: relative; }
.step { position: relative; padding-top: 30px; }
.step::before {
  counter-increment: s; content: "0" counter(s);
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--cyan);
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(79, 214, 255, 0.4); background: var(--bg);
  box-shadow: 0 0 24px rgba(79, 214, 255, 0.2);
  position: relative; z-index: 1;
}
.steps::before {
  content: ""; position: absolute; top: 52px; left: 22px; right: 22px; height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), transparent);
  opacity: 0.5;
}
.step h3 { margin: 22px 0 10px; font-size: 1.15rem; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* ---------- team ---------- */
.person {
  display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: start;
}
.avatar {
  width: 88px; height: 88px; border-radius: 24px; position: relative;
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 600; color: #fff;
  background: linear-gradient(140deg, rgba(79, 214, 255, 0.35), rgba(123, 107, 255, 0.45));
  border: 1px solid rgba(160, 190, 255, 0.35);
  box-shadow: 0 10px 40px rgba(90, 120, 255, 0.25);
}
.person .role { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyan); margin-top: 6px; }
.person h3 { margin: 0; font-size: 1.5rem; }
.person p { margin-top: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tags span { font-family: var(--font-mono); font-size: 0.76rem; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line-2); color: var(--text-2); background: rgba(255, 255, 255, 0.02); }

/* ---------- flow ---------- */
.flow {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  counter-reset: f;
}
.flow span {
  counter-increment: f;
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: 12px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03);
  font-weight: 500; font-size: 0.95rem;
}
.flow span::before { content: counter(f, decimal-leading-zero); font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan); }
.flow svg { width: 18px; height: 18px; color: var(--muted); flex: none; }
.flow span:last-child { background: var(--grad-soft); border-color: rgba(130, 170, 255, 0.4); }

/* ---------- tabs & feature table ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tab {
  font: inherit; font-size: 0.92rem; font-weight: 500; cursor: pointer;
  padding: 10px 18px; border-radius: 999px; color: var(--text-2);
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.02);
  transition: all 0.25s;
}
.tab:hover { color: #fff; border-color: rgba(150, 190, 255, 0.4); }
.tab[aria-selected="true"] { color: #050810; background: var(--grad); border-color: transparent; font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: grid; animation: fadeUp 0.45s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } }
.module { display: grid; grid-template-columns: 240px 1fr; gap: 24px; padding: 22px 26px; border-top: 1px solid var(--line); align-items: baseline; }
.module:first-child { border-top: 0; }
.module h4 { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; display: flex; align-items: center; gap: 10px; }
.module h4::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--grad); flex: none; }
.module p { color: var(--text-2); font-size: 0.97rem; }
.modules-box { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.005)); }

/* ---------- chat (ai) ---------- */
.chat { display: grid; gap: 12px; }
.bubble { max-width: 88%; padding: 14px 18px; border-radius: 16px; font-size: 0.95rem; }
.bubble.q { justify-self: end; background: var(--grad-soft); border: 1px solid rgba(130, 170, 255, 0.3); border-bottom-right-radius: 4px; }
.bubble.a { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); border-bottom-left-radius: 4px; color: var(--text-2); }
.bubble.a b { color: var(--text); font-weight: 600; }
.bubble .src { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.bubble .src span { font-family: var(--font-mono); font-size: 0.7rem; padding: 3px 8px; border-radius: 6px; background: rgba(79, 214, 255, 0.08); color: var(--cyan); border: 1px solid rgba(79, 214, 255, 0.2); }
.bubble .confirm { display: flex; gap: 8px; margin-top: 12px; }
.bubble .confirm i { font-style: normal; font-size: 0.78rem; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line-2); }
.bubble .confirm i:first-child { background: var(--grad); color: #050810; font-weight: 600; border-color: transparent; }

/* ---------- misc blocks ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split.top { align-items: start; }
.list-lines { list-style: none; margin: 0; padding: 0; }
.list-lines li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 20px 0; border-top: 1px solid var(--line); }
.list-lines li:last-child { border-bottom: 1px solid var(--line); }
.list-lines li > span { font-family: var(--font-mono); font-size: 0.8rem; color: var(--cyan); padding-top: 3px; }
.list-lines b { display: block; font-weight: 600; margin-bottom: 4px; }
.list-lines p { color: var(--muted); font-size: 0.95rem; }

.chaos { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.chaos div { padding: 16px; border-radius: 12px; border: 1px dashed rgba(255, 107, 139, 0.35); background: rgba(255, 107, 139, 0.04); }
.chaos small { display: block; color: var(--muted); font-size: 0.78rem; }
.chaos b { font-weight: 600; font-size: 0.95rem; }

.note {
  display: flex; gap: 14px; padding: 18px 20px; border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 197, 107, 0.25); background: rgba(255, 197, 107, 0.05);
  color: var(--text-2); font-size: 0.93rem;
}
.note svg { flex: none; width: 20px; height: 20px; color: var(--amber); margin-top: 2px; }

.stack { display: flex; flex-wrap: wrap; gap: 10px; }
.stack span {
  padding: 10px 16px; border-radius: 12px; border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.02); font-weight: 500; font-size: 0.92rem; color: var(--text-2);
  transition: border-color 0.25s, color 0.25s;
}
.stack span:hover { border-color: rgba(79, 214, 255, 0.45); color: #fff; }

.audience { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--line); }
.audience div { background: var(--bg-2); padding: 28px 24px; }
.audience .icon { margin-bottom: 18px; }
.audience b { display: block; font-weight: 600; font-family: var(--font-display); font-size: 1.05rem; }

/* ---------- CTA ---------- */
.cta {
  position: relative; text-align: center; overflow: hidden;
  border-radius: 28px; padding: clamp(48px, 8vw, 96px) var(--gutter);
  border: 1px solid var(--line-2);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(79, 214, 255, 0.18), transparent 70%),
    radial-gradient(600px 300px at 50% 100%, rgba(123, 107, 255, 0.2), transparent 70%),
    var(--bg-2);
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px; opacity: 0.4;
  mask-image: radial-gradient(ellipse at center, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 10%, transparent 70%);
}
.cta > * { position: relative; }
.cta h2 { max-width: 20ch; margin: 18px auto 18px; }
.cta .lead { max-width: 56ch; margin: 0 auto; }
.cta .hero-actions { justify-content: center; }

/* ---------- form ---------- */
.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.85rem; font-weight: 500; color: var(--text-2); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 0.97rem; color: var(--text);
  padding: 14px 16px; border-radius: 12px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.field select option { background: var(--bg-3); }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: rgba(79, 214, 255, 0.6); box-shadow: 0 0 0 4px rgba(79, 214, 255, 0.12); background: rgba(255, 255, 255, 0.04); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 9px 15px; border-radius: 999px; border: 1px solid var(--line-2); font-size: 0.88rem; color: var(--text-2); transition: all 0.2s; }
.chips input:checked + span { background: var(--grad-soft); border-color: rgba(79, 214, 255, 0.55); color: #fff; }
.chips input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }
.form-status { font-size: 0.92rem; color: var(--mint); min-height: 1.4em; }

.contact-info { display: grid; gap: 14px; }
.contact-item { display: flex; gap: 16px; align-items: center; padding: 20px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); transition: border-color 0.25s; }
a.contact-item:hover { border-color: rgba(79, 214, 255, 0.4); }
.contact-item small { display: block; color: var(--muted); font-size: 0.8rem; }
.contact-item b { font-weight: 600; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 64px 0 32px; margin-top: 40px; background: linear-gradient(180deg, transparent, rgba(8, 11, 20, 0.9)); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.footer .brand { font-size: 1.7rem; }
.footer p { color: var(--muted); font-size: 0.93rem; margin-top: 14px; max-width: 34ch; }
.footer h4 { font-family: var(--font-mono); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--text-2); font-size: 0.93rem; transition: color 0.2s; }
.footer ul a:hover { color: var(--cyan); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }
.status { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; } .reveal.d2 { transition-delay: 0.16s; } .reveal.d3 { transition-delay: 0.24s; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .nav-links, .nav-cta .btn { display: none; }
  .menu-toggle { display: block; }
  .hero-grid, .showcase-grid, .split { grid-template-columns: 1fr; }
  .orbit { max-width: 360px; margin: 20px auto 0; }
  .grid-4, .audience { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 40px; }
  .steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  :root { --nav-h: 68px; }
  .grid-2, .grid-3, .grid-4, .audience, .steps, .form-row { grid-template-columns: 1fr; }
  .hero-meta { grid-template-columns: 1fr; }
  .module { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .mock-row { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .kpi { padding: 9px; } .kpi b { font-size: 15px; } .kpi em { display: none; }
  .person { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .flow svg { display: none; }
  .hero-actions .btn { flex: 1 1 100%; }
  .orbit { max-width: 300px; }
  .orbit .tag { font-size: 0.66rem; padding: 5px 9px; }
  .orbit .tag:nth-of-type(2) { right: 0 !important; }
  .orbit .tag:nth-of-type(1) { left: 0 !important; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

.list-lines li > span svg { width: 20px; height: 20px; }
.span-2 { grid-column: span 2; }
@media (max-width: 680px) { .span-2 { grid-column: auto; } }

/* no icons: first heading in a card sits at the top */
.card > h3:first-child { margin-top: 0; }
.card[style*="display:flex"] > div > h3 { margin-top: 0; }
.checks li::before { content: ""; flex: none; width: 14px; height: 2px; margin-top: 12px; background: var(--grad); }
.audience b { margin-bottom: 4px; }

/* contact form: honeypot + status */
.hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-status.ok { color: var(--mint); }
.form-status.error { color: var(--rose); }