/* ==========================================================================
   Alpha Threat — Design System  (assets/css/at.css)
   Modern dark "security operations" theme. No framework dependencies.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --bg:#06080b;
  --bg-2:#0a0d13;
  --surface:#0f131b;
  --surface-2:#141926;
  --surface-3:#1b2130;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);

  --text:#e8ecf3;
  --text-dim:#b3bccb;
  --muted:#8b95a7;

  --brand:#e11d33;
  --brand-2:#ae1c28;
  --brand-glow:rgba(225,29,51,.35);
  --cyan:#22d3ee;
  --green:#34e5a3;
  --amber:#f5b544;
  --violet:#8b7cf6;

  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --radius-full:999px;

  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 18px 40px -20px rgba(0,0,0,.85);
  --shadow-glow:0 0 0 1px rgba(225,29,51,.25), 0 22px 60px -28px var(--brand-glow);

  --font-display:"Space Grotesk","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;

  --container:1200px;
  --nav-h:74px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- 2. Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.02em;
  margin:0 0 .6em;
  text-wrap:balance;
}
h1{font-size:clamp(2.3rem,5.4vw,4.15rem)}
h2{font-size:clamp(1.85rem,3.4vw,2.85rem)}
h3{font-size:clamp(1.2rem,1.9vw,1.55rem)}
h4{font-size:1.06rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
::selection{background:var(--brand);color:#fff}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--brand);color:#fff;padding:12px 20px;border-radius:0 0 var(--radius) 0;font-weight:600;
}
.skip-link:focus{left:0}

/* ---------- 3. Layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:22px}
.container-wide{max-width:1420px}
.section{padding:clamp(64px,9vw,118px) 0;position:relative}
.section--tight{padding:clamp(48px,6vw,76px) 0}
.section--alt{background:
  radial-gradient(1100px 460px at 12% -10%,rgba(225,29,51,.09),transparent 60%),
  var(--bg-2);
}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g-4{grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}
.split{display:grid;gap:clamp(30px,5vw,64px);grid-template-columns:1fr 1fr;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.text-center{text-align:center}
.mono{font-family:var(--font-mono)}
.muted{color:var(--muted)}
.dim{color:var(--text-dim)}
.nowrap{white-space:nowrap}

/* ---------- 4. Decorative background layers ---------- */
.bg-grid{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 78%);
}
/* .fx clips decorative glows without putting an overflow ancestor above position:sticky */
.fx{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0;opacity:.5}
.glow--brand{background:radial-gradient(circle,var(--brand) 0%,transparent 68%)}
.glow--cyan{background:radial-gradient(circle,var(--cyan) 0%,transparent 68%)}
.section > .container{position:relative;z-index:1}

/* ---------- 5. Scroll progress ---------- */
#scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:1200;
  background:linear-gradient(90deg,var(--brand),var(--amber),var(--cyan));
  box-shadow:0 0 14px var(--brand-glow);transition:width .1s linear;
}

/* ---------- 6. Navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(6,8,11,.55);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.nav.is-stuck{background:rgba(6,8,11,.92);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;gap:18px;width:100%;max-width:1420px;margin-inline:auto;padding-inline:22px}
.nav__brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;font-size:1.06rem}
.nav__brand img{height:34px;width:auto}
.nav__brand span i{color:var(--brand);font-style:normal}
.nav__menu{display:flex;align-items:center;gap:2px;margin-left:auto;list-style:none}
.nav__menu > li{position:relative}
.nav__link{
  display:flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--radius-full);
  font-size:.93rem;font-weight:500;color:var(--text-dim);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav__link:hover,.nav__link[aria-expanded="true"],.nav__link.is-active{color:#fff;background:rgba(255,255,255,.06)}
.nav__link .caret{width:9px;height:9px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease)}
.nav__link[aria-expanded="true"] .caret{transform:rotate(-135deg) translateY(-2px)}

.nav__panel{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,10px);
  min-width:270px;padding:10px;
  background:rgba(15,19,27,.97);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);backdrop-filter:blur(20px);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  list-style:none;z-index:20;
}
.nav__panel--wide{min-width:min(720px,86vw);display:grid;grid-template-columns:repeat(2,1fr);gap:4px 10px;padding:16px}
.nav__panel--wide .nav__panel-title{
  grid-column:1/-1;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);padding:8px 10px 4px;border-top:1px solid var(--line);margin-top:6px;
}
.nav__panel--wide .nav__panel-title:first-child{border-top:0;margin-top:0}
.nav__item.is-open > .nav__panel{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav__sub{
  display:flex;flex-direction:column;gap:1px;padding:9px 11px;border-radius:10px;
  font-size:.9rem;color:var(--text-dim);transition:background .18s,color .18s,transform .18s;
}
.nav__sub small{font-size:.74rem;color:var(--muted);line-height:1.4}
.nav__sub:hover{background:rgba(225,29,51,.12);color:#fff;transform:translateX(3px)}
.nav__sub:hover small{color:var(--text-dim)}

.nav__cta{
  margin-left:8px;padding:10px 20px;border-radius:var(--radius-full);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:600;font-size:.9rem;white-space:nowrap;
  box-shadow:0 10px 28px -14px var(--brand-glow);transition:transform .2s var(--ease),box-shadow .2s;
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px -14px var(--brand-glow)}

.nav__burger{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);
  border-radius:12px;background:rgba(255,255,255,.04);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav__burger span{display:block;width:18px;height:1.7px;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.7px) rotate(-45deg)}

@media(max-width:1080px){
  .nav__burger{display:flex}
  .nav__menu{
    position:fixed;inset:var(--nav-h) 0 0;margin:0;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg);padding:20px 22px 60px;overflow-y:auto;
    transform:translateX(100%);transition:transform .34s var(--ease);
  }
  .nav__menu.is-open{transform:translateX(0)}
  .nav__link{padding:14px 12px;font-size:1.02rem;border-radius:12px;justify-content:space-between}
  .nav__panel{
    position:static;transform:none;opacity:1;visibility:visible;background:transparent;border:0;
    box-shadow:none;padding:0 0 8px 12px;min-width:0;display:none;
  }
  .nav__panel--wide{grid-template-columns:1fr;display:none}
  .nav__item.is-open > .nav__panel{display:block;transform:none}
  .nav__item.is-open > .nav__panel--wide{display:grid}
  .nav__cta{margin:16px 0 0;text-align:center}
}

/* ---------- 7. Buttons ---------- */
.btn{
  --btn-bg:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border:0;border-radius:var(--radius-full);
  background:var(--btn-bg);color:#fff;font-weight:600;font-size:.96rem;
  cursor:pointer;position:relative;overflow:hidden;isolation:isolate;
  box-shadow:0 14px 34px -18px var(--brand-glow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.28),transparent 70%);
  transform:translateX(-120%);transition:transform .65s var(--ease-out);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 20px 46px -18px var(--brand-glow)}
.btn:hover::after{transform:translateX(120%)}
.btn--ghost{
  --btn-bg:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);color:var(--text);box-shadow:none;
}
.btn--ghost:hover{background:rgba(255,255,255,.08);box-shadow:none}
.btn--sm{padding:10px 18px;font-size:.88rem}
.btn--block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);
  font-weight:600;font-size:.92rem;transition:gap .22s var(--ease),color .22s;
}
.link-arrow::after{content:"→";transition:transform .22s var(--ease)}
.link-arrow:hover{gap:12px;color:#ff5570}

/* ---------- 8. Eyebrow / section head ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--brand);padding:7px 15px;border-radius:var(--radius-full);
  border:1px solid rgba(225,29,51,.3);background:rgba(225,29,51,.08);margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);animation:pulse-dot 2.2s ease-in-out infinite}
.eyebrow--cyan{color:var(--cyan);border-color:rgba(34,211,238,.3);background:rgba(34,211,238,.08)}
.eyebrow--cyan::before{background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}

.section-head{max-width:760px;margin-bottom:clamp(36px,5vw,58px)}
.section-head--center{margin-inline:auto;text-align:center}
.section-head p{color:var(--text-dim);font-size:1.06rem;margin-bottom:0}
.gradient-text{
  background:linear-gradient(120deg,#fff 0%,#fff 35%,var(--brand) 78%,#ff6b7f 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 9. Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 60px) 0 70px;overflow:hidden;
}
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.85}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(900px 520px at 78% 18%,rgba(225,29,51,.16),transparent 62%),
    radial-gradient(760px 480px at 12% 76%,rgba(34,211,238,.09),transparent 62%),
    linear-gradient(180deg,transparent 55%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(34px,5vw,68px);align-items:center}
@media(max-width:1000px){.hero__grid{grid-template-columns:1fr}}
.hero h1{margin-bottom:22px}
.hero__lede{font-size:clamp(1.02rem,1.35vw,1.16rem);color:var(--text-dim);max-width:60ch;margin-bottom:30px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero__rotator{color:var(--brand);position:relative}
.hero__rotator::after{content:"";display:inline-block;width:3px;height:.95em;background:var(--brand);margin-left:5px;vertical-align:-.09em;animation:caret 1s steps(2) infinite}
@keyframes caret{0%,49%{opacity:1}50%,100%{opacity:0}}

.hero__trust{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--radius-full);
  border:1px solid var(--line);background:rgba(255,255,255,.035);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:var(--text-dim);
  transition:border-color .2s,color .2s,transform .2s;
}
.chip:hover{border-color:rgba(225,29,51,.45);color:#fff;transform:translateY(-2px)}
.chip i{width:5px;height:5px;border-radius:50%;background:var(--green);display:inline-block}

/* ---------- 10. Terminal ---------- */
.terminal{
  background:linear-gradient(180deg,rgba(15,19,27,.96),rgba(10,13,19,.98));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow),0 0 0 1px rgba(225,29,51,.08);
  overflow:hidden;font-family:var(--font-mono);
}
.terminal__bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);
}
.terminal__dot{width:11px;height:11px;border-radius:50%}
.terminal__dot:nth-child(1){background:#ff5f57}
.terminal__dot:nth-child(2){background:#febc2e}
.terminal__dot:nth-child(3){background:#28c840}
.terminal__title{margin-left:10px;font-size:.74rem;color:var(--muted);letter-spacing:.06em}
.terminal__body{padding:20px 20px 24px;font-size:.83rem;line-height:1.95;min-height:290px}
.terminal__line{white-space:pre-wrap;word-break:break-word}
.terminal__prompt{color:var(--brand)}
.terminal__path{color:var(--cyan)}
.terminal__ok{color:var(--green)}
.terminal__warn{color:var(--amber)}
.terminal__crit{color:#ff5570;font-weight:700}
.terminal__cursor{display:inline-block;width:8px;height:1em;background:var(--green);vertical-align:-.14em;animation:caret 1s steps(2) infinite}

/* ---------- 11. Cards ---------- */
.card{
  position:relative;padding:26px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid var(--line);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .35s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(225,29,51,.14),transparent 62%);
  pointer-events:none;
}
.card:hover{transform:translateY(-5px);border-color:rgba(225,29,51,.35);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card h3,.card h4{margin-bottom:10px}
.card p{color:var(--text-dim);font-size:.95rem;margin-bottom:0}
.card__icon{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(225,29,51,.18),rgba(225,29,51,.05));
  border:1px solid rgba(225,29,51,.28);color:var(--brand);
}
.card__icon svg{width:23px;height:23px}
.card--cyan .card__icon{background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(34,211,238,.05));border-color:rgba(34,211,238,.28);color:var(--cyan)}
.card--green .card__icon{background:linear-gradient(135deg,rgba(52,229,163,.18),rgba(52,229,163,.05));border-color:rgba(52,229,163,.28);color:var(--green)}
.card--amber .card__icon{background:linear-gradient(135deg,rgba(245,181,68,.18),rgba(245,181,68,.05));border-color:rgba(245,181,68,.28);color:var(--amber)}
.card--violet .card__icon{background:linear-gradient(135deg,rgba(139,124,246,.18),rgba(139,124,246,.05));border-color:rgba(139,124,246,.28);color:var(--violet)}
.card__tag{
  position:absolute;top:18px;right:18px;font-family:var(--font-mono);font-size:.64rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.card--link{display:block}
.card--link .link-arrow{margin-top:16px}
.card__meta{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
}
.card__meta span{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);padding:4px 9px;border:1px solid var(--line);border-radius:var(--radius-full);
}

/* numbered feature card */
.card--num{padding-top:34px}
.card--num .num{
  position:absolute;top:14px;right:20px;font-family:var(--font-display);font-size:3.2rem;
  font-weight:700;line-height:1;color:rgba(255,255,255,.05);
}

/* ---------- 12. Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.stat{padding:30px 24px;background:var(--bg-2);text-align:center}
.stat__num{font-family:var(--font-display);font-size:clamp(2rem,3.6vw,2.9rem);font-weight:700;line-height:1;background:linear-gradient(120deg,#fff,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:12px}

/* ---------- 13. Marquee / threat ticker ---------- */
.ticker{
  border-block:1px solid var(--line);background:rgba(10,13,19,.7);overflow:hidden;
  padding:13px 0;position:relative;
}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:130px;z-index:2;pointer-events:none}
.ticker::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,var(--bg),transparent)}
.ticker__track{display:flex;gap:36px;width:max-content;animation:marquee 46s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
.ticker__item{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);
  font-size:.76rem;letter-spacing:.08em;color:var(--muted);white-space:nowrap;
}
.ticker__item b{color:var(--text-dim);font-weight:500}
.ticker__item::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none}
.ticker__item--ok::before{background:var(--green)}
.ticker__item--warn::before{background:var(--amber)}
.ticker__item--info::before{background:var(--cyan)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* logo marquee */
.logos{display:flex;gap:44px;width:max-content;animation:marquee 34s linear infinite;align-items:center}
.logos img{height:42px;width:auto;opacity:.45;filter:grayscale(1);transition:opacity .25s,filter .25s}
.logos img:hover{opacity:1;filter:none}

/* ---------- 14. Flowchart / process ---------- */
.flow{
  position:relative;display:grid;gap:18px;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
}
.flow__node{
  position:relative;padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.flow__node:hover{transform:translateY(-4px);border-color:rgba(225,29,51,.4)}
.flow__node::after{
  content:"";position:absolute;top:50%;right:-19px;width:18px;height:1px;
  background:linear-gradient(90deg,var(--brand),rgba(225,29,51,.15));z-index:1;
}
.flow__node:last-child::after{display:none}
@media(max-width:860px){.flow__node::after{display:none}}
.flow__step{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:9px;font-family:var(--font-mono);font-size:.78rem;font-weight:700;
  background:rgba(225,29,51,.14);border:1px solid rgba(225,29,51,.32);color:var(--brand);margin-bottom:14px;
}
.flow__node h4{margin-bottom:7px;font-size:1rem}
.flow__node p{font-size:.87rem;color:var(--muted);margin:0}

/* vertical timeline flow */
.timeline{position:relative;padding-left:34px;display:grid;gap:26px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--brand),rgba(225,29,51,.2),transparent);
}
.timeline__item{position:relative}
.timeline__item::before{
  content:"";position:absolute;left:-28px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);box-shadow:0 0 0 4px rgba(225,29,51,.12);
}
.timeline__item h4{margin-bottom:6px}
.timeline__item p{color:var(--text-dim);font-size:.94rem;margin:0}

/* SVG diagram wrapper */
.diagram{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(18px,3vw,34px);
  background:
    radial-gradient(700px 320px at 50% 0%,rgba(225,29,51,.07),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.028),rgba(255,255,255,.008));
  overflow-x:auto;
}
.diagram svg{width:100%;height:auto;margin-inline:auto}
/* very wide (horizontal) diagrams keep a minimum width and scroll on small screens */
.diagram--scroll svg{min-width:680px}
.diagram .d-box{fill:rgba(255,255,255,.04);stroke:rgba(255,255,255,.14);rx:10}
.diagram .d-box--brand{fill:rgba(225,29,51,.12);stroke:rgba(225,29,51,.45)}
.diagram .d-box--cyan{fill:rgba(34,211,238,.1);stroke:rgba(34,211,238,.4)}
.diagram .d-box--green{fill:rgba(52,229,163,.1);stroke:rgba(52,229,163,.4)}
.diagram .d-box--amber{fill:rgba(245,181,68,.1);stroke:rgba(245,181,68,.4)}
.diagram .d-label{fill:#e8ecf3;font-family:var(--font-display);font-size:13px;font-weight:600}
.diagram .d-sub{fill:#8b95a7;font-family:var(--font-mono);font-size:10px;letter-spacing:.06em}
.diagram .d-line{stroke:rgba(255,255,255,.22);stroke-width:1.4;fill:none;marker-end:url(#arrow)}
.diagram .d-line--brand{stroke:rgba(225,29,51,.65);marker-end:url(#arrow-brand)}
.diagram .d-flow{stroke-dasharray:6 6;animation:dash 1.1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-24}}
/* draw-on-scroll */
.diagram [data-draw]{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600)}
.diagram.is-visible [data-draw]{animation:draw 1.5s var(--ease-out) forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- 15. Tabs ---------- */
.tabs{display:grid;grid-template-columns:290px 1fr;gap:26px}
@media(max-width:840px){.tabs{grid-template-columns:1fr}}
.tabs__list{display:flex;flex-direction:column;gap:8px;list-style:none}
@media(max-width:840px){.tabs__list{flex-direction:row;overflow-x:auto;padding-bottom:6px}}
.tabs__btn{
  width:100%;text-align:left;padding:15px 18px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(255,255,255,.025);cursor:pointer;
  color:var(--text-dim);transition:all .25s var(--ease);white-space:nowrap;
}
.tabs__btn strong{display:block;font-family:var(--font-display);color:var(--text);font-size:1rem;margin-bottom:2px}
.tabs__btn small{font-size:.79rem;color:var(--muted)}
.tabs__btn[aria-selected="true"]{
  background:linear-gradient(135deg,rgba(225,29,51,.16),rgba(225,29,51,.04));
  border-color:rgba(225,29,51,.4);color:#fff;
}
.tabs__panel{display:none;animation:fade-in .4s var(--ease-out)}
.tabs__panel.is-active{display:block}
@keyframes fade-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- 16. Accordion / FAQ ---------- */
.accordion{display:grid;gap:12px}
.accordion__item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.025);overflow:hidden;transition:border-color .25s,background .25s}
.accordion__item.is-open{border-color:rgba(225,29,51,.35);background:rgba(225,29,51,.045)}
.accordion__btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-family:var(--font-display);font-weight:600;font-size:1.02rem;color:var(--text);
}
.accordion__btn .plus{position:relative;flex:none;width:18px;height:18px}
.accordion__btn .plus::before,.accordion__btn .plus::after{
  content:"";position:absolute;inset:50% 0 auto;height:1.7px;background:var(--brand);
  border-radius:2px;transition:transform .3s var(--ease);
}
.accordion__btn .plus::after{transform:rotate(90deg)}
.accordion__item.is-open .plus::after{transform:rotate(0)}
.accordion__panel{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.accordion__panel > div{padding:0 22px 22px;color:var(--text-dim);font-size:.96rem}

/* ---------- 17. Filterable service grid ---------- */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.filter{
  padding:9px 17px;border-radius:var(--radius-full);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-dim);cursor:pointer;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;
  transition:all .22s var(--ease);
}
.filter:hover{color:#fff;border-color:var(--line-strong)}
.filter.is-active{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff}
.svc-card{opacity:1;transition:opacity .3s,transform .3s}
.svc-card[hidden]{display:none}

/* ---------- 18. Testimonials ---------- */
.quote{
  position:relative;padding:30px 28px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--line);height:100%;display:flex;flex-direction:column;
}
.quote::before{
  content:"“";position:absolute;top:6px;right:22px;font-family:var(--font-display);
  font-size:5.4rem;line-height:1;color:rgba(225,29,51,.16);
}
.quote p{font-size:.97rem;color:var(--text-dim);flex:1}
.quote__who{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.quote__avatar{
  width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
}
.quote__who strong{display:block;font-size:.93rem}
.quote__who span{font-size:.79rem;color:var(--muted)}

/* ---------- 19. CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:clamp(36px,5.5vw,64px);text-align:center;
  background:
    radial-gradient(700px 320px at 50% 0%,rgba(225,29,51,.22),transparent 66%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  border:1px solid rgba(225,29,51,.28);
}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--text-dim);max-width:62ch;margin-inline:auto;margin-bottom:28px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 20. Forms ---------- */
.form{display:grid;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:620px){.form__row{grid-template-columns:1fr}}
.field label{
  display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-bottom:8px;
}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.035);border:1px solid var(--line);color:var(--text);
  transition:border-color .22s,background .22s,box-shadow .22s;font-size:.95rem;
}
.field input::placeholder,.field textarea::placeholder{color:#5f6a7c}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:rgba(225,29,51,.5);background:rgba(255,255,255,.05);
  box-shadow:0 0 0 4px rgba(225,29,51,.1);
}
.field textarea{resize:vertical;min-height:130px}
.form__note{font-size:.8rem;color:var(--muted)}

.info-list{display:grid;gap:16px;list-style:none}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-list .ico{
  width:42px;height:42px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:rgba(225,29,51,.12);border:1px solid rgba(225,29,51,.28);color:var(--brand);
}
.info-list .ico svg{width:19px;height:19px}
.info-list strong{display:block;font-family:var(--font-display);font-size:.93rem;margin-bottom:2px}
.info-list span,.info-list a{color:var(--text-dim);font-size:.93rem}
.info-list a:hover{color:var(--brand)}

/* ---------- 21. Breadcrumbs & page hero ---------- */
.page-hero{
  position:relative;padding:calc(var(--nav-h) + 64px) 0 56px;overflow:hidden;
  background:
    radial-gradient(900px 420px at 20% 0%,rgba(225,29,51,.16),transparent 62%),
    radial-gradient(700px 380px at 88% 30%,rgba(34,211,238,.08),transparent 62%),
    var(--bg-2);
  border-bottom:1px solid var(--line);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2rem,4.2vw,3.35rem);margin-bottom:18px}
.page-hero__lede{color:var(--text-dim);font-size:1.06rem;max-width:68ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;list-style:none;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.09em;color:var(--muted);margin-bottom:22px}
.crumbs li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.2)}
.crumbs li:last-child::after{display:none}
.crumbs a:hover{color:var(--brand)}
.crumbs [aria-current]{color:var(--text-dim)}

.meta-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.meta-strip .chip{background:rgba(255,255,255,.045)}

/* ---------- 22. Prose (long-form service copy) ---------- */
.prose{max-width:none;font-size:1.005rem;color:var(--text-dim)}
.prose h2{color:var(--text);margin-top:2.1em}
.prose h2:first-child{margin-top:0}
.prose h3{color:var(--text);margin-top:1.7em;font-size:1.22rem}
.prose strong{color:var(--text)}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#ff5570}
.check-list{list-style:none;display:grid;gap:11px;margin:0 0 1.3em}
.check-list li{position:relative;padding-left:30px;color:var(--text-dim)}
.check-list li::before{
  content:"";position:absolute;left:0;top:.52em;width:15px;height:9px;
  border-left:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:rotate(-45deg);border-radius:1px;
}
.check-list--brand li::before{border-color:var(--brand)}
.bullet-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:11px}
.bullet-grid li{
  position:relative;padding:13px 16px 13px 38px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);font-size:.92rem;color:var(--text-dim);
}
.bullet-grid li::before{
  content:"";position:absolute;left:16px;top:1.28em;width:6px;height:6px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 8px var(--brand-glow);
}

.callout{
  border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
  background:linear-gradient(90deg,rgba(225,29,51,.09),transparent);
  padding:20px 24px;margin:1.6em 0;
}
.callout strong{color:#fff}

/* sticky sidebar for service pages.
   The <aside> must stretch to the row height; the inner .sticky-card is what sticks. */
.svc-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:clamp(28px,4vw,52px)}
@media(max-width:1000px){.svc-layout{grid-template-columns:1fr}}
.svc-side{min-width:0}
.sticky-card{position:sticky;top:calc(var(--nav-h) + 22px);display:grid;gap:18px}
@media(max-width:1000px){.sticky-card{position:static}}

/* ---------- 23. Footer ---------- */
.footer{
  position:relative;padding:70px 0 30px;border-top:1px solid var(--line);
  background:radial-gradient(900px 380px at 50% 0%,rgba(225,29,51,.07),transparent 65%),var(--bg-2);
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px;margin-bottom:46px}
@media(max-width:900px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer__grid{grid-template-columns:1fr}}
.footer h4{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);margin-bottom:18px;font-weight:500;
}
.footer ul{list-style:none;display:grid;gap:10px}
.footer ul a{color:var(--text-dim);font-size:.92rem;transition:color .2s,padding-left .2s}
.footer ul a:hover{color:var(--brand);padding-left:4px}
.footer__brand img{height:40px;margin-bottom:16px}
.footer__brand p{color:var(--muted);font-size:.92rem;max-width:34ch}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  padding-top:26px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;
}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-dim);
  transition:all .24s var(--ease);
}
.socials a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-3px)}
.socials svg{width:17px;height:17px}

.newsletter{display:flex;gap:9px;margin-top:14px}
.newsletter input{
  flex:1;min-width:0;padding:12px 15px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);font-size:.9rem;
}
.newsletter input:focus{outline:none;border-color:rgba(225,29,51,.5)}

/* ---------- 24. Back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:900;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;border:1px solid var(--line);
  background:rgba(15,19,27,.9);backdrop-filter:blur(10px);color:var(--text);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .28s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 25. Scroll reveal ----------
   Guarded by .js on <html> so content stays visible if JavaScript is blocked. */
.js [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.js [data-reveal="left"]{transform:translateX(-28px)}
.js [data-reveal="right"]{transform:translateX(28px)}
.js [data-reveal="zoom"]{transform:scale(.94)}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 26. Gallery ---------- */
.masonry{columns:3;column-gap:16px}
@media(max-width:900px){.masonry{columns:2}}
@media(max-width:560px){.masonry{columns:1}}
.masonry figure{
  break-inside:avoid;margin:0 0 16px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);position:relative;
  transition:transform .3s var(--ease),border-color .3s;
}
.masonry figure:hover{transform:translateY(-4px);border-color:rgba(225,29,51,.4)}
.masonry img{width:100%;display:block}
.masonry figcaption{padding:13px 16px;font-size:.85rem;color:var(--text-dim)}

/* ---------- 27. Utilities ---------- */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.mt-1{margin-top:10px}.mt-2{margin-top:20px}.mt-3{margin-top:32px}.mt-4{margin-top:48px}
.mb-2{margin-bottom:20px}.mb-3{margin-bottom:32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:clamp(40px,6vw,70px) 0}

/* ---------- 28. Motion preferences ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1!important;transform:none!important}
  #hero-canvas{display:none}
}

/* ---------- 29. Print ---------- */
@media print{
  .nav,.to-top,#scroll-progress,.ticker,#hero-canvas,.footer{display:none!important}
  body{background:#fff;color:#000}
  .card,.diagram{border-color:#ccc}
}
