/* Syntaxis: instrument-panel aesthetic, brand violet accent. Dark is the default; light follows the OS or the header toggle. */
:root {
  --radius: 10px;
  --radius-sm: 6px;
  --max: 1180px;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --bg: #0b0c10;
  --bg-2: #111218;
  --surface: #16171f;
  --surface-2: #1d1e28;
  --line: #262836;
  --line-2: #353848;
  --text: #ecebf2;
  --text-2: #a9a8b9;
  --text-3: #727187;
  --accent: #7c3aed;
  --accent-2: #8b5cf6;
  --accent-text: #a78bfa;
  --accent-ink: #ffffff;
  --accent-rgb: 124, 58, 237;
  --ok: #3ccf91;
  --bad: #ff6b6b;
  --hud-sky-1: #1c1a33; --hud-sky-2: #121220;
  --hud-gnd-1: #1f1a26; --hud-gnd-2: #131118;
  --hud-tick: #ecebf2;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f7f9; --bg-2: #efeff4; --surface: #ffffff; --surface-2: #f4f3f8;
    --line: #e3e2ea; --line-2: #cfcdd9;
    --text: #121212; --text-2: #4b4a57; --text-3: #7b7a89;
    --accent: #7c3aed; --accent-2: #6d28d9; --accent-text: #6d28d9; --accent-ink: #ffffff;
    --ok: #13925f; --bad: #d64545;
    --hud-sky-1: #ece8fb; --hud-sky-2: #f6f4fd; --hud-gnd-1: #e7e5ec; --hud-gnd-2: #f1f0f4;
    --hud-tick: #121212;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f7f7f9; --bg-2: #efeff4; --surface: #ffffff; --surface-2: #f4f3f8;
  --line: #e3e2ea; --line-2: #cfcdd9;
  --text: #121212; --text-2: #4b4a57; --text-3: #7b7a89;
  --accent: #7c3aed; --accent-2: #6d28d9; --accent-text: #6d28d9; --accent-ink: #ffffff;
  --ok: #13925f; --bad: #d64545;
  --hud-sky-1: #ece8fb; --hud-sky-2: #f6f4fd; --hud-gnd-1: #e7e5ec; --hud-gnd-2: #f1f0f4;
  --hud-tick: #121212;
  color-scheme: light;
}

/* Logo swap: dark-text logo in light mode, light-text logo in dark mode. */
.logo-light { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .logo-dark { display: none; }
  :root:not([data-theme="dark"]) .logo-light { display: block; }
}
:root[data-theme="light"] .logo-dark { display: none; }
:root[data-theme="light"] .logo-light { display: block; }

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

.wrap { width: min(var(--max), 100% - 32px); margin-inline: auto; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.25rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-2); max-width: 60ch; }
.muted { color: var(--text-2); }
.eyebrow {
  font: 500 .75rem/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-text);
  display: inline-flex; align-items: center; gap: .6em;
  margin-bottom: 1.2rem;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; }
.mono { font-family: var(--font-mono); }

/* ---------- Buttons ---------- */
.btn {
  --b: var(--line-2);
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.4em;
  font: 600 .95rem/1 var(--font-body);
  border-radius: var(--radius-sm);
  border: 1px solid var(--b);
  background: transparent; color: var(--text);
  text-decoration: none; cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s, color .15s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--text-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-sm { padding: .55em .9em; font-size: .85rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn .arrow { transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.brand img { height: 30px; width: auto; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle { background: none; border: 1px solid var(--line-2); border-radius: var(--radius-sm); color: var(--text-2); width: 38px; height: 38px; display: inline-grid; place-items: center; cursor: pointer; transition: color .15s, border-color .15s; }
.theme-toggle:hover { color: var(--text); border-color: var(--text-3); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun, :root:not([data-theme]) .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon, :root:not([data-theme]) .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .theme-toggle .sun { display: none; }
  :root:not([data-theme]) .theme-toggle .moon { display: block; }
}
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--text-2); font-size: .92rem; font-weight: 500; padding: .55em .85em; border-radius: var(--radius-sm); transition: color .15s, background .15s; }
.nav a:hover { color: var(--text); background: var(--surface); }
.nav a[aria-current="page"] { color: var(--text); }
.nav .btn { margin-left: 8px; color: var(--accent-ink); }
.nav .btn:hover { background: var(--accent-2); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); border-radius: var(--radius-sm); color: var(--text); padding: 8px; cursor: pointer; }
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 16px 20px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav .btn { margin: 16px 0 0; border-radius: var(--radius-sm); padding: 14px; border-bottom: 0; }
}

/* ---------- Sections ---------- */
section { padding: clamp(64px, 10vw, 120px) 0; }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.divider { border-top: 1px solid var(--line); }
.bg-alt { background: var(--bg-2); border-block: 1px solid var(--line); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(56px, 9vw, 110px) 0 clamp(64px, 9vw, 110px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 .hl { color: var(--accent-text); }
.hero .lede { margin-bottom: 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--line); }
.hero-meta div { font: 500 .78rem/1.4 var(--font-mono); color: var(--text-3); letter-spacing: .06em; text-transform: uppercase; }
.hero-meta strong { display: block; font: 600 1.05rem/1.3 var(--font-display); color: var(--text); letter-spacing: 0; text-transform: none; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 80% 30%, rgba(var(--accent-rgb),.10), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 56px 56px;
  mask-image: radial-gradient(80% 70% at 60% 40%, #000 30%, transparent 85%);
  opacity: .55;
}
.page-hero { padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 6vw, 64px); position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); max-width: 16ch; }

/* HUD instrument (hero visual) */
.hud { position: relative; aspect-ratio: 1; width: 100%; max-width: 480px; margin-inline: auto; }
.hud svg { width: 100%; height: 100%; overflow: visible; }
.hud .sky-1 { stop-color: var(--hud-sky-1); } .hud .sky-2 { stop-color: var(--hud-sky-2); }
.hud .gnd-1 { stop-color: var(--hud-gnd-1); } .hud .gnd-2 { stop-color: var(--hud-gnd-2); }
.hud .ring { stroke: var(--line); } .hud .ring-2, .hud .bezel { stroke: var(--line-2); }
.hud .ladder { stroke: var(--text-2); } .hud .ladder text { fill: var(--text-3); stroke: none; }
.hud .ticks-g { stroke: var(--hud-tick); }
.hud .acc-stroke { stroke: var(--accent-text); } .hud .acc-fill { fill: var(--accent-text); }
.hud .horizon { animation: bank 9s ease-in-out infinite; transform-origin: 200px 200px; }
@keyframes bank { 0%, 100% { transform: rotate(-6deg) translateY(6px); } 50% { transform: rotate(5deg) translateY(-8px); } }
.hud-readout { position: absolute; font: 500 .7rem/1.3 var(--font-mono); color: var(--text-3); letter-spacing: .08em; }
.hud-readout b { display: block; color: var(--accent-text); font-weight: 500; font-size: .85rem; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hud { max-width: 340px; order: -1; }
}

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s, background .2s;
}
.card p { color: var(--text-2); margin-bottom: 0; }
.card-link { text-decoration: none; display: flex; flex-direction: column; }
.card-link:hover { border-color: var(--line-2); background: var(--surface-2); transform: translateY(-2px); }
.card-link .more { margin-top: auto; padding-top: 24px; font: 600 .9rem/1 var(--font-body); color: var(--accent-text); display: inline-flex; gap: .4em; }
.card-tag { font: 500 .7rem/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 20px; display: flex; justify-content: space-between; }
.card-icon { width: 44px; height: 44px; border-radius: 8px; display: grid; place-items: center; background: rgba(var(--accent-rgb),.1); color: var(--accent-text); margin-bottom: 20px; }
.card-icon svg { width: 22px; height: 22px; }
.card-feature { padding: 36px; min-height: 360px; }
.card-feature h3 { font-size: 1.6rem; margin-bottom: .6em; }
.card-feature ul { margin: 20px 0 0; }

.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; color: var(--text-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .62em; width: 12px; height: 2px; background: var(--accent); }

/* Process steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step { padding: 28px; border-right: 1px solid var(--line); background: var(--surface); }
.step:last-child { border-right: 0; }
.step::before { counter-increment: step; content: "0" counter(step); display: block; font: 500 .8rem/1 var(--font-mono); color: var(--accent-text); margin-bottom: 28px; letter-spacing: .1em; }
.step p { color: var(--text-2); margin: 0; font-size: .95rem; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } .step:nth-child(2) { border-right: 0; } .step:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } .step { border-right: 0; border-bottom: 1px solid var(--line); } .step:last-child { border-bottom: 0; } }

/* Spec table */
.spec { width: 100%; border-collapse: collapse; font-size: .95rem; }
.spec th, .spec td { text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { font: 500 .75rem/1.6 var(--font-mono); color: var(--text-3); letter-spacing: .1em; text-transform: uppercase; width: 34%; padding-right: 16px; }
.spec td { color: var(--text-2); }

/* Split layout */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* Industries chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { font: 500 .85rem/1 var(--font-body); padding: .7em 1em; border: 1px solid var(--line-2); border-radius: 999px; color: var(--text-2); background: var(--surface); }

/* CTA band */
.cta-band { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(32px, 5vw, 56px); display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border: 1px solid var(--line-2); border-radius: 50%; box-shadow: 0 0 0 40px rgba(var(--accent-rgb),.03), 0 0 0 80px rgba(var(--accent-rgb),.02); pointer-events: none; }
.cta-band h2 { margin: 0 0 .3em; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.cta-band p { margin: 0; color: var(--text-2); }
@media (max-width: 720px) { .cta-band { flex-direction: column; align-items: flex-start; } }

/* ---------- Forms ---------- */
.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
label { display: grid; gap: 8px; font-size: .85rem; font-weight: 500; color: var(--text-2); }
input, select, textarea {
  width: 100%;
  font: 400 1rem/1.4 var(--font-body);
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: .8em .9em;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),.18); }
textarea { min-height: 150px; resize: vertical; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23a4adbb' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.choice-group { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { display: block; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text-2); font-size: .92rem; cursor: pointer; transition: border-color .15s, color .15s, background .15s; }
.choice input:checked + span { border-color: var(--accent); color: var(--text); background: rgba(var(--accent-rgb),.07); }
.choice input:focus-visible + span { box-shadow: 0 0 0 3px rgba(var(--accent-rgb),.25); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { font-size: .95rem; padding: 14px 16px; border-radius: var(--radius-sm); display: none; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(60,207,145,.1); color: var(--ok); border: 1px solid rgba(60,207,145,.3); }
.form-status.err { background: rgba(255,107,107,.08); color: var(--bad); border: 1px solid rgba(255,107,107,.3); }

.contact-aside { display: grid; gap: 28px; }
.contact-aside h3 { font-size: 1rem; margin-bottom: .4em; }
.contact-aside p { color: var(--text-2); margin: 0; }

/* ---------- Quote page ---------- */
.quote-shell { max-width: 820px; margin-inline: auto; }
.quote-doc { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.quote-top { padding: 32px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.quote-top h1 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin: 0 0 .3em; }
.quote-meta { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.quote-meta > div { padding: 18px 32px; border-right: 1px solid var(--line); }
.quote-meta > div:last-child { border-right: 0; }
.quote-meta span { display: block; font: 500 .7rem/1.4 var(--font-mono); color: var(--text-3); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; }
@media (max-width: 640px) { .quote-meta { grid-template-columns: 1fr; } .quote-meta > div { border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 20px; } .quote-top, .quote-items, .quote-foot { padding-inline: 20px !important; } }
.quote-items { padding: 8px 32px 0; }
.quote-items table { width: 100%; border-collapse: collapse; }
.quote-items th { font: 500 .7rem/1 var(--font-mono); color: var(--text-3); text-transform: uppercase; letter-spacing: .12em; text-align: left; padding: 18px 0 12px; border-bottom: 1px solid var(--line-2); }
.quote-items td { padding: 16px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.quote-items .num { text-align: right; white-space: nowrap; padding-left: 16px; font-variant-numeric: tabular-nums; }
.quote-items tfoot td { border-bottom: 0; padding-top: 22px; font: 600 1.4rem/1 var(--font-display); }
.quote-notes { padding: 0 32px 8px; color: var(--text-2); }
.quote-notes .eyebrow { display: flex; }
.quote-notes p:last-child { white-space: pre-line; }
.quote-foot { padding: 24px 32px 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--line); background: var(--bg-2); }
.quote-foot small { color: var(--text-3); display: flex; align-items: center; gap: 8px; }
.quote-foot small svg { width: 14px; height: 14px; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; font: 500 .72rem/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; padding: 7px 10px; border-radius: 999px; border: 1px solid currentColor; height: fit-content; }
.status-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.s-sent { color: var(--accent-text); } .s-paid { color: var(--ok); } .s-void, .s-expired { color: var(--text-3); } .s-draft { color: var(--text-2); }
.banner { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 20px; border: 1px solid; }
.banner.ok { background: rgba(60,207,145,.08); border-color: rgba(60,207,145,.3); color: var(--ok); }
.banner.err { background: rgba(255,107,107,.08); border-color: rgba(255,107,107,.3); color: var(--bad); }
.skeleton { color: var(--text-3); padding: 80px 0; text-align: center; font-family: var(--font-mono); font-size: .85rem; letter-spacing: .1em; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 36px; color: var(--text-2); font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-grid h4 { font: 500 .72rem/1 var(--font-mono); color: var(--text-3); text-transform: uppercase; letter-spacing: .14em; margin-bottom: 18px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-grid a { text-decoration: none; color: var(--text-2); }
.footer-grid a:hover { color: var(--text); }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--line); color: var(--text-3); font-size: .85rem; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }