/* =========================================================
   SIIINSEI CAD SYSTEMS — site styles
   Palette pulled from the Siiinsei logo: black, violet flame, silver.
   ========================================================= */

:root {
  --bg: #050308;
  --bg-2: #0b0712;
  --surface: rgba(22, 14, 34, 0.62);
  --surface-solid: #120b1c;
  --border: rgba(180, 120, 255, 0.16);
  --border-strong: rgba(180, 120, 255, 0.38);
  --text: #ece8f3;
  --muted: #a69cb8;
  --dim: #6f6582;
  --violet: #9b4dff;
  --violet-2: #c084ff;
  --violet-deep: #5b1fb8;
  --silver-grad: linear-gradient(180deg, #ffffff 0%, #d9d3e6 40%, #8f86a3 70%, #e9e4f2 100%);
  --violet-grad: linear-gradient(135deg, #b46cff 0%, #7a2cff 55%, #4c14a8 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 0 0 1px var(--border), 0 20px 60px -20px rgba(122, 44, 255, 0.45);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 72px;
  --maxw: 1200px;
  --font: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --font-display: Arial, "Helvetica Neue", Helvetica, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video, svg { max-width: 100%; display: block; }
a { color: var(--violet-2); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -0.015em; font-weight: 600; }
h1 { font-size: clamp(2.2rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
::selection { background: var(--violet); color: #fff; }
:focus-visible { outline: 2px solid var(--violet-2); outline-offset: 3px; border-radius: 6px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--violet); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 1000; }
.skip-link:focus { left: 8px; }

/* ---------- Background: CAD grid + ambient glow ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(155, 77, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 77, 255, .055) 1px, transparent 1px),
    linear-gradient(rgba(155, 77, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 77, 255, .03) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 30%, transparent 85%);
}
.bg-glow {
  position: fixed; inset: -20vmax; z-index: -3; pointer-events: none;
  background:
    radial-gradient(40vmax 30vmax at 15% 10%, rgba(122, 44, 255, .18), transparent 70%),
    radial-gradient(35vmax 30vmax at 90% 30%, rgba(180, 108, 255, .10), transparent 70%),
    radial-gradient(40vmax 30vmax at 50% 110%, rgba(91, 31, 184, .18), transparent 70%);
}

/* ---------- Layout helpers ---------- */
.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; position: relative; }
.section-sm { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-display); font-size: .8rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--violet-2);
  margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--violet-grad); }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 68ch; }
.muted { color: var(--muted); }
.center { text-align: center; }
.center .lead { margin-inline: auto; }
.silver {
  background: var(--silver-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.violet-text {
  background: var(--violet-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-head.center { margin-inline: auto; }
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent); border: 0; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  --b: var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.4rem; border-radius: 999px;
  font: 600 .95rem/1 var(--font-display); letter-spacing: .01em;
  border: 1px solid var(--b); color: var(--text); background: rgba(255,255,255,.02);
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s;
  position: relative; isolation: isolate; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); color: #fff; border-color: var(--violet-2); background: rgba(155,77,255,.1); }
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: var(--violet-grad); border-color: transparent; color: #fff;
  box-shadow: 0 10px 30px -10px rgba(155, 77, 255, .8), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary:hover { background: var(--violet-grad); box-shadow: 0 16px 40px -10px rgba(180, 108, 255, .95), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-sm { padding: .6rem 1rem; font-size: .88rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }
.center .btn-row { justify-content: center; }

/* ---------- Header / Nav ---------- */
#site-header { height: var(--header-h); } /* reserves space before the shared header is injected */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(5, 3, 8, .55);
  backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--border); background: rgba(5, 3, 8, .82); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .7rem; color: var(--text); }
.brand img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 0 0 1px var(--border), 0 0 24px -4px rgba(155,77,255,.7); }
.brand-name { font-family: var(--font-display); font-weight: 700; letter-spacing: .14em; font-size: .98rem; line-height: 1.05; }
.brand-name small { display: block; font-weight: 500; letter-spacing: .3em; font-size: .62rem; color: var(--violet-2); margin-top: 3px; }

.nav-links { display: flex; align-items: center; gap: .15rem; list-style: none; margin: 0; padding: 0; }
.nav-links > li { position: relative; }
.nav-links a, .nav-links button.nav-trigger {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .55rem .8rem; border-radius: 999px; color: var(--muted);
  font: 500 .92rem/1 var(--font); background: none; border: 0; cursor: pointer;
}
.nav-links a:hover, .nav-links button.nav-trigger:hover, .nav-links a[aria-current="page"], .nav-trigger.active { color: #fff; background: rgba(155,77,255,.1); }
.nav-trigger svg { width: 14px; height: 14px; transition: transform .25s; }
.has-menu.open .nav-trigger svg { transform: rotate(180deg); }

.mega {
  position: absolute; top: calc(100% + 12px); left: 50%; translate: -50% 0;
  width: 560px; padding: .7rem;
  background: rgba(14, 9, 22, .96); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.9), 0 0 60px -30px rgba(155,77,255,.6);
  display: grid; grid-template-columns: 1fr 1fr; gap: .25rem;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s, transform .2s var(--ease), visibility .2s;
  backdrop-filter: blur(20px);
}
.has-menu.open .mega, .has-menu:focus-within .mega { opacity: 1; visibility: visible; transform: none; }
@media (hover: hover) and (min-width: 1101px) { .has-menu:hover .mega { opacity: 1; visibility: visible; transform: none; } }
.mega a { display: flex; gap: .8rem; align-items: flex-start; padding: .8rem; border-radius: 12px; color: var(--text); white-space: normal; line-height: 1.35; }
.mega a:hover { background: rgba(155,77,255,.1); }
.mega .ico { flex: none; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(155,77,255,.14); border: 1px solid var(--border); color: var(--violet-2); }
.mega .ico svg { width: 20px; height: 20px; }
.mega strong { display: block; font-family: var(--font-display); font-weight: 600; font-size: .95rem; }
.mega span.desc { display: block; color: var(--muted); font-size: .82rem; margin-top: .2rem; }

.nav-cta { display: flex; align-items: center; gap: .5rem; }
.menu-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border);
  background: rgba(255,255,255,.03); color: var(--text); cursor: pointer; place-items: center;
}
.menu-toggle span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: background .2s; }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--ease); }
.menu-toggle span::before { top: -6px; } .menu-toggle span::after { top: 6px; }
.menu-open .menu-toggle span { background: transparent; }
.menu-open .menu-toggle span::before { transform: translateY(6px) rotate(45deg); }
.menu-open .menu-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1100px) {
  .menu-toggle { display: grid; }
  .nav-cta .btn-quote-desktop { display: none; }
  .nav-links {
    position: fixed; inset: var(--header-h) 0 0 0; flex-direction: column; align-items: stretch; gap: .2rem;
    padding: 1.2rem 1.25rem 2rem; background: rgba(5,3,8,.97); backdrop-filter: blur(20px);
    overflow-y: auto; transform: translateX(100%); transition: transform .35s var(--ease); visibility: hidden;
  }
  .menu-open .nav-links { transform: none; visibility: visible; }
  .nav-links a, .nav-links button.nav-trigger { width: 100%; justify-content: space-between; padding: 1rem; font-size: 1.05rem; border-radius: 12px; }
  .mega { position: static; translate: none; width: auto; grid-template-columns: 1fr; display: none; opacity: 1; visibility: visible; transform: none; box-shadow: none; margin: .2rem 0 .6rem; }
  .has-menu.open .mega { display: grid; }
  .nav-links .mobile-cta { display: block; margin-top: 1rem; }
  .nav-links .mobile-cta .btn { width: 100%; justify-content: center; }
  body.menu-open { overflow: hidden; }
  /* backdrop-filter would make the header the containing block for the fixed drawer */
  .menu-open .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(5,3,8,.97); }
}
@media (min-width: 1101px) { .nav-links .mobile-cta { display: none; } }

/* ---------- Hero (home splash) ---------- */
.hero { position: relative; padding: clamp(1rem, 3vw, 2rem) 0 clamp(3rem, 7vw, 6rem); overflow: hidden; }
.hero-logo {
  position: relative; width: min(100%, 1100px); margin: 0 auto; aspect-ratio: 3 / 2;
  max-height: 72vh;
}
.hero-logo video, .hero-logo img {
  width: 100%; height: 100%; object-fit: contain;
  mix-blend-mode: screen; /* blends the black video background into the page */
  -webkit-mask-image: radial-gradient(ellipse 72% 70% at 50% 50%, #000 55%, transparent 100%);
          mask-image: radial-gradient(ellipse 72% 70% at 50% 50%, #000 55%, transparent 100%);
}
.hero-logo::after {
  content: ""; position: absolute; inset: 15% 20%; z-index: -1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(122,44,255,.35), transparent);
  filter: blur(40px); animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .55; transform: scale(1.08); } }
.hero-copy { text-align: center; max-width: 900px; margin: clamp(-4rem, -6vw, -1rem) auto 0; position: relative; }
.hero-copy h1 { margin-bottom: .45em; }
.hero-copy h1 .line { display: block; }
.hero-copy .lead { margin: 0 auto 2rem; }
.hero .btn-row { justify-content: center; }
.scroll-cue {
  display: flex; justify-content: center; margin-top: 3rem; color: var(--dim); font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; gap: .6rem; align-items: center;
}
.scroll-cue i { width: 1px; height: 36px; background: linear-gradient(var(--violet-2), transparent); animation: drip 2.2s ease-in-out infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* Feature video (About page) */
.feature-video-section { padding: clamp(1.5rem, 4vw, 3rem) 0 0; }
.feature-video { position: relative; margin: 0; }
.feature-video video {
  display: block; width: 100%; height: auto; max-height: 82vh; margin: 0 auto; background: #000;
  border-radius: var(--radius); border: 1px solid var(--border-strong);
  box-shadow: 0 40px 120px -40px rgba(122, 44, 255, .55), 0 0 0 1px rgba(255,255,255,.02);
}
.feature-play {
  position: absolute; left: 50%; top: calc(50% - 1.4rem); translate: -50% -50%;
  width: clamp(64px, 9vw, 96px); aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(255,255,255,.35);
  background: var(--violet-grad); color: #fff; cursor: pointer; display: grid; place-items: center;
  box-shadow: 0 0 0 10px rgba(155,77,255,.18), 0 20px 50px -10px rgba(155,77,255,.9);
  transition: transform .25s var(--ease), box-shadow .25s, opacity .3s;
}
.feature-play:hover { transform: scale(1.06); box-shadow: 0 0 0 16px rgba(155,77,255,.22), 0 24px 60px -10px rgba(180,108,255,1); }
.feature-play svg { width: 40%; height: 40%; margin-left: 8%; fill: currentColor; }
.feature-video.playing .feature-play { opacity: 0; pointer-events: none; }
@media (max-width: 640px) and (orientation: portrait) {
  /* matches the 9:16 <source> media query so the player is the right shape before it loads */
  .feature-video video { aspect-ratio: 9 / 16; width: auto; max-width: 100%; height: min(82vh, calc((100vw - 2.5rem) * 16 / 9)); }
}
.feature-video figcaption { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .6rem; margin-top: 1rem; color: var(--text); font-size: .95rem; text-align: center; }
.feature-video figcaption .eyebrow { margin: 0; }

/* Interior page hero */
.page-hero { padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(2rem, 5vw, 3.5rem); position: relative; }
.page-hero .lead { margin-bottom: 0; }
.breadcrumbs { display: flex; gap: .5rem; font-size: .85rem; color: var(--dim); margin-bottom: 1.4rem; flex-wrap: wrap; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span[aria-hidden] { opacity: .5; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

.card {
  position: relative; padding: 1.75rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
  overflow: hidden; isolation: isolate;
}
.card::before { /* cursor-follow glow */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(155,77,255,.16), transparent 45%);
}
.card:hover { border-color: var(--border-strong); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: .5rem; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 1.2rem;
  background: linear-gradient(135deg, rgba(180,108,255,.22), rgba(91,31,184,.12)); border: 1px solid var(--border-strong); color: var(--violet-2);
  box-shadow: 0 0 30px -8px rgba(155,77,255,.7);
}
.card .icon svg { width: 26px; height: 26px; }
.card .more { display: inline-flex; align-items: center; gap: .4rem; margin-top: 1.2rem; font-weight: 600; font-size: .92rem; }
.card .more svg { width: 16px; height: 16px; transition: transform .25s; }
.card:hover .more svg { transform: translateX(4px); }
.card-link { position: absolute; inset: 0; z-index: 1; }
.card-link:focus-visible { outline-offset: -2px; border-radius: var(--radius); }

.pillar { padding: 2.1rem; min-height: 100%; display: flex; flex-direction: column; }
.pillar .num { position: absolute; top: 1.3rem; right: 1.5rem; font: 700 3.2rem/1 var(--font-display); color: rgba(180,108,255,.09); }
.pillar p { flex: 1; }

.values { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .values { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .values { grid-template-columns: 1fr; } }
.value .num { position: absolute; top: 1.1rem; right: 1.3rem; font: 700 2.4rem/1 var(--font-display); color: rgba(180,108,255,.1); }
.value h3 { font-size: 1.15rem; }
.value p { font-size: .95rem; }

.tag { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .7rem; border-radius: 999px; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--border-strong); color: var(--violet-2); background: rgba(155,77,255,.08); }
.tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--violet-2); box-shadow: 0 0 10px var(--violet-2); animation: blink 1.8s infinite; }
@keyframes blink { 50% { opacity: .3; } }

/* Check list */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.check-list li { position: relative; padding-left: 1.9rem; color: var(--text); }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 1.15rem; height: 1.15rem; border-radius: 6px;
  background: rgba(155,77,255,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c084ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/70% no-repeat;
  border: 1px solid var(--border-strong);
}
.check-list.cols { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); column-gap: 2rem; }

/* Notice / callout */
.notice {
  display: flex; gap: 1rem; padding: 1.2rem 1.4rem; border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(155,77,255,.12), rgba(155,77,255,.03));
  border: 1px solid var(--border); border-left: 3px solid var(--violet);
  font-size: .95rem; color: var(--muted);
}
.notice strong { color: var(--text); }
.notice svg { flex: none; width: 22px; height: 22px; color: var(--violet-2); margin-top: .1rem; }
.notice p:last-child { margin: 0; }

/* Split section */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.split.v-center { align-items: center; }
.split.wide-left { grid-template-columns: 1.5fr 1fr; }
.split.wide-right { grid-template-columns: 1fr 1.4fr; }
@media (max-width: 900px) { .split, .split.wide-left, .split.wide-right { grid-template-columns: 1fr; } .sticky { position: static; } }
.sticky { position: sticky; top: calc(var(--header-h) + 2rem); }

/* Process timeline */
.process { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; gap: 0; }
.process li { counter-increment: step; position: relative; padding: 0 0 2.2rem 4.2rem; }
.process li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: -.15rem; width: 2.9rem; height: 2.9rem; border-radius: 50%;
  display: grid; place-items: center; font: 700 .9rem/1 var(--font-display); color: #fff;
  background: var(--violet-grad); box-shadow: 0 0 0 5px var(--bg), 0 0 24px -2px rgba(155,77,255,.8);
}
.process li::after { content: ""; position: absolute; left: 1.45rem; top: 2.9rem; bottom: 0; width: 1px; background: linear-gradient(var(--violet), transparent); }
.process li:last-child { padding-bottom: 0; }
.process li:last-child::after { display: none; }
.process h3 { font-size: 1.15rem; margin-bottom: .3rem; }
.process p { color: var(--muted); margin: 0; }

/* Horizontal steps (home) */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; counter-reset: s; }
.steps .step { counter-increment: s; padding: 1.4rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); position: relative; }
.steps .step::before { content: counter(s, decimal-leading-zero); display: block; font: 700 1.6rem/1 var(--font-display); margin-bottom: .8rem; background: var(--violet-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps .step h3 { font-size: 1.02rem; margin-bottom: .35rem; }
.steps .step p { font-size: .9rem; color: var(--muted); margin: 0; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }

/* Stats / marquee strip */
.strip { border-block: 1px solid var(--border); background: rgba(14,9,22,.5); overflow: hidden; }
.marquee { display: flex; gap: 3rem; padding: 1.2rem 0; width: max-content; animation: marquee 40s linear infinite; }
.marquee span { display: inline-flex; align-items: center; gap: 3rem; font: 600 .95rem/1 var(--font-display); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.marquee span::after { content: "✦"; color: var(--violet); }
@keyframes marquee { to { transform: translateX(-50%); } }
.strip:hover .marquee { animation-play-state: paused; }

/* Tabs (industries) */
.tabs { display: grid; grid-template-columns: 280px 1fr; gap: 2rem; align-items: start; }
.tab-list { display: flex; flex-direction: column; gap: .3rem; position: sticky; top: calc(var(--header-h) + 1.5rem); }
.tab-list button {
  text-align: left; padding: .9rem 1rem; border-radius: 12px; border: 1px solid transparent; background: none;
  color: var(--muted); font: 500 .98rem/1.3 var(--font); cursor: pointer; display: flex; align-items: center; gap: .7rem; transition: all .2s;
}
.tab-list button svg { width: 20px; height: 20px; flex: none; opacity: .7; }
.tab-list button:hover { color: var(--text); background: rgba(155,77,255,.06); }
.tab-list button[aria-selected="true"] { color: #fff; background: rgba(155,77,255,.12); border-color: var(--border-strong); }
.tab-list button[aria-selected="true"] svg { opacity: 1; color: var(--violet-2); }
.tab-panel { animation: fadeUp .45s var(--ease); }
.tab-panel[hidden] { display: none; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } }
@media (max-width: 900px) {
  .tabs { grid-template-columns: 1fr; }
  .tab-list { position: static; flex-direction: row; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .4rem; scrollbar-width: none; }
  .tab-list::-webkit-scrollbar { display: none; }
  .tab-list button { white-space: nowrap; scroll-snap-align: start; border-color: var(--border); }
}

/* FAQ accordion */
.faq-tools { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.search {
  flex: 1; min-width: 240px; position: relative;
}
.search svg { position: absolute; left: 1rem; top: 50%; translate: 0 -50%; width: 18px; height: 18px; color: var(--dim); pointer-events: none; }
.search input { padding-left: 2.8rem !important; }
.faq { display: grid; gap: .7rem; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); transition: border-color .25s, background .25s;
}
.faq details[open] { border-color: var(--border-strong); background: rgba(30, 18, 48, .6); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.15rem 1.3rem; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
  font: 600 1.04rem/1.4 var(--font-display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus { flex: none; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border-strong); position: relative; transition: transform .3s var(--ease), background .3s; }
.faq summary .plus::before, .faq summary .plus::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.5px; background: var(--violet-2); translate: -50% -50%; }
.faq summary .plus::after { rotate: 90deg; transition: rotate .3s var(--ease); }
.faq details[open] .plus { background: rgba(155,77,255,.2); }
.faq details[open] .plus::after { rotate: 0deg; }
.faq .answer { padding: 0 1.3rem 1.25rem; color: var(--muted); }
.faq .answer p:last-child { margin: 0; }
.faq-empty { display: none; color: var(--muted); padding: 1rem 0; }

/* ---------- Forms ---------- */
.form-card { padding: clamp(1.4rem, 3vw, 2.4rem); border-radius: calc(var(--radius) + 4px); background: rgba(14,9,22,.78); border: 1px solid var(--border); box-shadow: 0 40px 100px -40px rgba(122,44,255,.5); backdrop-filter: blur(14px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.2rem; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field label, .field .label { font-size: .88rem; font-weight: 600; color: var(--text); }
.field .req { color: var(--violet-2); }
.field .hint { font-size: .8rem; color: var(--dim); }
input, select, textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--text);
  background: rgba(5,3,8,.6); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .8rem 1rem; transition: border-color .2s, box-shadow .2s, background .2s;
}
textarea { min-height: 130px; resize: vertical; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c084ff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; background-size: 18px; padding-right: 2.6rem; }
select option { background: var(--surface-solid); }
input::placeholder, textarea::placeholder { color: var(--dim); }
input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--violet-2); box-shadow: 0 0 0 4px rgba(155,77,255,.18); background: rgba(5,3,8,.85); }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #ff5d8f; box-shadow: 0 0 0 4px rgba(255,93,143,.12); }
.field .error { display: none; font-size: .8rem; color: #ff8fb0; }
.field.invalid .error { display: block; }

/* Chip selectors */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; gap: .4rem; padding: .55rem .95rem; border-radius: 999px; font-size: .9rem;
  border: 1px solid var(--border); background: rgba(5,3,8,.5); color: var(--muted); transition: all .2s; cursor: pointer; user-select: none;
}
.chip input:hover + span { border-color: var(--border-strong); color: var(--text); }
.chip input:focus-visible + span { outline: 2px solid var(--violet-2); outline-offset: 2px; }
.chip input:checked + span { background: rgba(155,77,255,.2); border-color: var(--violet-2); color: #fff; box-shadow: 0 0 20px -6px rgba(155,77,255,.8); }
.chip input:checked + span::before { content: "✓"; font-weight: 700; color: var(--violet-2); }

/* Dropzone */
.dropzone {
  position: relative; border: 1.5px dashed var(--border-strong); border-radius: var(--radius); padding: 2rem 1.2rem; text-align: center;
  background: rgba(155,77,255,.04); transition: background .2s, border-color .2s; cursor: pointer;
}
.dropzone:hover, .dropzone.drag { background: rgba(155,77,255,.12); border-color: var(--violet-2); }
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone svg { width: 38px; height: 38px; margin: 0 auto .7rem; color: var(--violet-2); }
.dropzone strong { display: block; font-family: var(--font-display); }
.dropzone small { color: var(--dim); }
.file-list { list-style: none; padding: 0; margin: .8rem 0 0; display: grid; gap: .45rem; }
.file-list li { display: flex; justify-content: space-between; align-items: center; gap: .8rem; padding: .55rem .8rem; border-radius: 10px; background: rgba(5,3,8,.6); border: 1px solid var(--border); font-size: .88rem; }
.file-list li .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list li .size { color: var(--dim); flex: none; }
.file-list button { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 1.1rem; line-height: 1; padding: .2rem .4rem; border-radius: 6px; }
.file-list button:hover { color: #ff8fb0; background: rgba(255,93,143,.1); }

/* Multi-step quote form */
.stepper { display: flex; gap: .5rem; margin-bottom: 2rem; counter-reset: st; }
.stepper li { list-style: none; flex: 1; counter-increment: st; }
.stepper .bar { height: 4px; border-radius: 4px; background: var(--border); overflow: hidden; position: relative; }
.stepper .bar::after { content: ""; position: absolute; inset: 0; background: var(--violet-grad); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.stepper li.done .bar::after, .stepper li.current .bar::after { transform: scaleX(1); }
.stepper .lbl { display: block; margin-top: .55rem; font-size: .78rem; color: var(--dim); letter-spacing: .05em; }
.stepper .lbl::before { content: counter(st) ". "; }
.stepper li.current .lbl, .stepper li.done .lbl { color: var(--text); }
@media (max-width: 560px) { .stepper .lbl { display: none; } }
.form-step { display: none; }
.form-step.active { display: block; animation: fadeUp .4s var(--ease); }
.form-step > h2 { font-size: 1.4rem; margin-bottom: .3rem; }
.form-step > p.muted { margin-bottom: 1.5rem; }
.form-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.form-nav .spacer { flex: 1; }
.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .9rem; color: var(--muted); }
.consent input { width: 20px; height: 20px; flex: none; margin-top: .15rem; accent-color: var(--violet); }
.review { display: grid; gap: .3rem; font-size: .93rem; }
.review dt { color: var(--dim); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; margin-top: .7rem; }
.review dd { margin: 0; white-space: pre-wrap; word-break: break-word; }
.form-status { display: none; margin-top: 1.2rem; padding: 1rem 1.2rem; border-radius: var(--radius-sm); font-size: .95rem; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(70, 220, 150, .1); border: 1px solid rgba(70, 220, 150, .35); color: #b5f5d6; }
.form-status.err { background: rgba(255, 93, 143, .1); border: 1px solid rgba(255, 93, 143, .35); color: #ffc2d4; }
.success-panel { text-align: center; padding: 2rem 0; }
.success-panel .big-check { width: 84px; height: 84px; margin: 0 auto 1.4rem; border-radius: 50%; display: grid; place-items: center; background: var(--violet-grad); box-shadow: 0 0 60px -6px rgba(155,77,255,.9); animation: pop .5s var(--ease); }
.success-panel .big-check svg { width: 40px; height: 40px; color: #fff; }
@keyframes pop { from { transform: scale(.5); opacity: 0; } }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; animation: spin .8s linear infinite; display: none; }
.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; border-radius: calc(var(--radius) + 8px); padding: clamp(2.5rem, 6vw, 4.5rem); overflow: hidden; isolation: isolate;
  background: linear-gradient(135deg, rgba(91,31,184,.45), rgba(20,10,34,.9) 60%);
  border: 1px solid var(--border-strong);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("../logo/logo-768.jpg") right -60px center / auto 130% no-repeat;
  opacity: .22; mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 80%); mask-image: linear-gradient(90deg, transparent 30%, #000 80%);
}
.cta-band h2 { max-width: 20ch; }
.cta-band p { max-width: 58ch; color: var(--muted); }

/* ---------- Software "in development" ---------- */
.dev-panel { position: relative; border-radius: var(--radius); border: 1px solid var(--border-strong); overflow: hidden; background: #08050e; }
.dev-panel .chrome { display: flex; gap: .45rem; padding: .8rem 1rem; border-bottom: 1px solid var(--border); align-items: center; }
.dev-panel .chrome i { width: 11px; height: 11px; border-radius: 50%; background: #2a1f3a; }
.dev-panel .chrome span { margin-left: .8rem; font-size: .78rem; color: var(--dim); font-family: ui-monospace, Consolas, monospace; }
.dev-panel svg.wire { width: 100%; height: auto; }
.wire .draw { stroke-dasharray: 1200; stroke-dashoffset: 1200; animation: draw 6s var(--ease) infinite; }
@keyframes draw { 40%, 80% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -1200; } }

/* ---------- Materials ---------- */
.material { text-align: center; padding: 1.6rem 1.2rem; }
.material .swatch { width: 64px; height: 64px; margin: 0 auto 1rem; border-radius: 16px; transform: rotate(45deg); border: 1px solid var(--border-strong); }
.material h3 { margin-bottom: .3rem; }
.material p { color: var(--muted); font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: rgba(5,3,8,.85); padding: 4rem 0 2rem; margin-top: 4rem; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2.5rem; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }
.site-footer h4 { font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--violet-2); margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: #fff; }
.footer-brand p { color: var(--muted); max-width: 40ch; margin-top: 1rem; }
.footer-bottom { margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--border); color: var(--dim); font-size: .84rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }

/* Back to top */
.to-top {
  position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(20,12,32,.9); border: 1px solid var(--border-strong); color: var(--violet-2);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease); cursor: pointer;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--violet); color: #fff; }
.to-top svg { width: 20px; height: 20px; }

/* Scroll progress */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 200; background: var(--violet-grad); transform-origin: left; transform: scaleX(0); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .marquee { animation: none; }
}

/* Print */
@media print {
  .site-header, .site-footer, .bg-grid, .bg-glow, .to-top, .progress, .hero-logo { display: none !important; }
  body { background: #fff; color: #000; }
}