/* ==========================================================================
   VOL Group — "Precision Dark" design system
   Tokens → base → layout → components → utilities → responsive
   ========================================================================== */

:root{
  /* surfaces */
  --bg:#06070b;
  --bg-2:#090b11;
  --surface:#0f1320;
  --surface-2:#141926;
  --surface-3:#1a2032;
  --line:#1d2434;
  --line-2:#2a3348;

  /* text */
  --text:#eef1f8;
  --text-2:#a3adc4;
  --text-3:#7d879e;

  /* brand */
  --brand:#4f7cff;
  --brand-2:#7c5cff;
  --brand-ink:#0a1027;
  --accent:#22e3c4;
  --grad:linear-gradient(135deg,#4f7cff 0%,#7c5cff 100%);
  --grad-soft:linear-gradient(135deg,rgba(79,124,255,.16) 0%,rgba(124,92,255,.16) 100%);

  /* spacing rhythm (8pt) */
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px; --s8:128px;

  /* radii + elevation */
  --r-sm:8px; --r:14px; --r-lg:20px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 12px 32px -12px rgba(0,0,0,.6);
  --sh-3:0 28px 64px -20px rgba(0,0,0,.75);
  --glow:0 0 0 1px rgba(79,124,255,.35), 0 18px 48px -20px rgba(79,124,255,.45);

  /* type */
  --ff-h:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --ff-b:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;

  /* motion */
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;

  /* layout */
  --wrap:1180px;
  --nav-h:72px;

  /* z-scale */
  --z-nav:100; --z-drawer:200; --z-top:1000;
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--nav-h) + 16px);
}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-b);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(79,124,255,.35);color:#fff}

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

/* ---------- headings / type scale ---------- */
h1,h2,h3,h4,h5{
  font-family:var(--ff-h);
  font-weight:600;
  line-height:1.12;
  letter-spacing:-.03em;
  color:#fff;
  text-wrap:balance;
}
h1{font-size:clamp(2.15rem,1.25rem + 3.7vw,3.9rem)}
h2{font-size:clamp(1.7rem,1.15rem + 2.1vw,2.7rem)}
h3{font-size:clamp(1.2rem,1.05rem + .6vw,1.5rem);letter-spacing:-.02em}
h4{font-size:1.05rem;letter-spacing:-.015em}
p{text-wrap:pretty}

.lead{
  font-size:clamp(1.05rem,1rem + .45vw,1.28rem);
  color:var(--text-2);
  line-height:1.62;
  max-width:62ch;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);
  font-family:var(--ff-b);
}
.eyebrow::before{
  content:"";width:20px;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent));
}
.grad-text{
  background:linear-gradient(120deg,#fff 20%,#a9beff 55%,#22e3c4 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.wrap-narrow{max-width:760px}
section{position:relative}
.sec{padding-block:clamp(56px,4vw + 40px,104px)}
.sec-tight{padding-block:clamp(40px,2.5vw + 30px,68px)}
.sec-alt{background:var(--bg-2);border-block:1px solid var(--line)}
.sec-head{max-width:66ch;margin-bottom:clamp(32px,3vw,52px)}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head h2{margin-bottom:16px}
.center{text-align:center;margin-inline:auto}

.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,4vw,72px);align-items:center}

/* ---------- skip link ---------- */
.skip{
  position:absolute;left:16px;top:-60px;z-index:var(--z-top);
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 10px;
  font-weight:600;transition:top var(--dur) var(--ease);
}
.skip:focus{top:0}

/* ---------- header / nav ---------- */
.hdr{
  position:sticky;top:0;z-index:var(--z-nav);
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(6,7,11,.72);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.hdr.scrolled{border-bottom-color:var(--line);background:rgba(6,7,11,.9)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}

.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo svg{width:30px;height:30px}
.logo-txt{
  font-family:var(--ff-h);font-weight:700;font-size:1.16rem;
  letter-spacing:-.02em;color:#fff;white-space:nowrap;
}
.logo-txt span{color:var(--brand)}

.nav{display:flex;align-items:center;gap:2px}
.nav a{
  display:inline-flex;align-items:center;height:38px;padding:0 13px;
  font-size:.9rem;font-weight:500;color:var(--text-2);
  border-radius:9px;white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav a:hover{color:#fff;background:var(--surface-2)}
.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{
  content:"";position:absolute;
}
.nav li{position:relative}
.nav li.cur > a{color:#fff;background:var(--surface-2)}

/* dropdown */
.has-sub > button{
  display:inline-flex;align-items:center;gap:5px;height:38px;padding:0 13px;
  font-size:.9rem;font-weight:500;color:var(--text-2);background:none;border:0;
  border-radius:9px;cursor:pointer;white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.has-sub > button:hover,.has-sub[data-open="true"] > button{color:#fff;background:var(--surface-2)}
.has-sub > button svg{width:13px;height:13px;transition:transform var(--dur) var(--ease)}
.has-sub[data-open="true"] > button svg{transform:rotate(180deg)}
.sub{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:530px;padding:12px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.has-sub[data-open="true"] .sub{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.sub a{
  display:block;height:auto;padding:11px 13px;border-radius:11px;line-height:1.4;
}
.sub a strong{display:block;font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:2px}
.sub a small{display:block;font-size:.78rem;color:var(--text-3);line-height:1.45}
.sub a:hover{background:var(--surface-2)}
.sub a:hover strong{color:#fff}

.nav-cta{margin-left:8px}
.burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:var(--surface-2);border:1px solid var(--line-2);border-radius:11px;cursor:pointer;
}
.burger svg{width:19px;height:19px;stroke:var(--text)}

/* mobile drawer */
.drawer{
  position:fixed;inset:var(--nav-h) 0 0;z-index:var(--z-drawer);
  background:var(--bg);
  padding:24px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.drawer[data-open="true"]{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.drawer a{
  display:block;padding:14px 4px;font-size:1.05rem;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--text-2);
}
.drawer a:hover,.drawer a[aria-current="page"]{color:#fff}
.drawer .d-sub a{padding-left:20px;font-size:.95rem;color:var(--text-3)}
.drawer .d-lbl{
  padding:18px 4px 8px;font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);
}
.drawer .btn{margin-top:24px;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 24px;
  font-size:.94rem;font-weight:600;font-family:var(--ff-b);letter-spacing:-.01em;
  border:1px solid transparent;border-radius:999px;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;touch-action:manipulation;
}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 10px 30px -12px rgba(79,124,255,.6)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(79,124,255,.75)}
.btn-s{background:var(--surface-2);color:var(--text);border-color:var(--line-2)}
.btn-s:hover{background:var(--surface-3);border-color:#39456080;color:#fff;transform:translateY(-2px)}
.btn-g{background:transparent;color:var(--text-2);border-color:var(--line-2)}
.btn-g:hover{color:#fff;border-color:var(--brand);background:rgba(79,124,255,.08)}
.btn-sm{min-height:44px;padding:0 18px;font-size:.86rem}
.btn:active{transform:translateY(0)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

.tlink{
  display:inline-flex;align-items:center;gap:7px;
  font-weight:600;font-size:.92rem;color:var(--brand);
  transition:gap var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tlink svg{width:15px;height:15px}
.tlink:hover{gap:12px;color:#7fa1ff}

/* ---------- hero ---------- */
.hero{position:relative;padding-block:clamp(56px,5vw + 34px,110px) clamp(56px,4vw + 34px,96px);overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-bg::before{
  content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:min(1100px,140%);aspect-ratio:1.6;
  background:radial-gradient(ellipse at center,rgba(79,124,255,.22) 0%,rgba(124,92,255,.11) 38%,transparent 68%);
  filter:blur(12px);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 20%,transparent 75%);
}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin-block:18px 22px}
.hero .lead{margin-bottom:32px}
.hero-split{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(36px,4vw,64px);align-items:center}

/* page hero (inner pages) */
.phero{position:relative;padding-block:clamp(44px,3.5vw + 28px,80px) clamp(30px,2vw + 20px,44px);overflow:hidden}
.phero::before{
  content:"";position:absolute;top:-55%;left:14%;width:min(760px,90%);aspect-ratio:1.5;
  background:radial-gradient(ellipse at center,rgba(79,124,255,.17) 0%,rgba(124,92,255,.08) 42%,transparent 70%);
  pointer-events:none;
}
.phero .wrap{position:relative;z-index:1}
.phero h1{margin-block:16px 20px;max-width:20ch}
.phero.wide h1{max-width:28ch}

/* ---------- breadcrumbs ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:.8rem;color:var(--text-3)}
.crumbs a{color:var(--text-3);transition:color var(--dur) var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs svg{width:12px;height:12px;opacity:.5;flex-shrink:0}
.crumbs [aria-current]{color:var(--text-2)}

/* ---------- answer block (AEO) ---------- */
.answer{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line-2);
  border-left:3px solid var(--accent);
  border-radius:0 var(--r) var(--r) 0;
  padding:22px 26px;
  margin-block:28px;
  max-width:72ch;
}
.answer h2,.answer .a-lbl{
  font-family:var(--ff-b);font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:10px;
}
.answer p{color:var(--text);font-size:1.02rem;line-height:1.62}
.answer p + p{margin-top:12px}

/* ---------- cards ---------- */
.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
  height:100%;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--surface-2)}
.card h3{margin-bottom:10px}
.card p{color:var(--text-2);font-size:.94rem;line-height:1.6}
.card .tlink{margin-top:auto;padding-top:18px}
a.card{cursor:pointer}
a.card:hover h3{color:#fff}

.ico{
  width:46px;height:46px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:13px;
  background:var(--grad-soft);
  border:1px solid rgba(79,124,255,.24);
  margin-bottom:18px;
}
.ico svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card:hover .ico{border-color:rgba(79,124,255,.45)}

.card-num{
  font-family:var(--ff-h);font-size:.82rem;font-weight:700;
  color:var(--brand);letter-spacing:.06em;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}

/* feature list */
.flist{display:flex;flex-direction:column;gap:11px;margin-top:18px}
.flist li{display:flex;gap:11px;align-items:flex-start;font-size:.92rem;color:var(--text-2);line-height:1.55}
.flist svg{width:17px;height:17px;flex-shrink:0;margin-top:3px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--bg-2);padding:26px 22px;text-align:center}
.stat b{
  display:block;font-family:var(--ff-h);font-size:clamp(1.7rem,1.2rem + 1.5vw,2.3rem);
  font-weight:700;color:#fff;letter-spacing:-.03em;line-height:1.1;
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.stat span{font-size:.83rem;color:var(--text-3);line-height:1.4;display:block}

/* ---------- process timeline ---------- */
.steps{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;grid-template-columns:repeat(2,minmax(0,1fr))}
.step{background:var(--surface);padding:26px;position:relative}
.step .card-num{margin-bottom:10px}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--text-2);font-size:.92rem;line-height:1.6}

/* ---------- tech stack ---------- */
.stack-grid{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;font-size:.85rem;font-weight:500;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--text-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.chip:hover{border-color:var(--line-2);color:var(--text)}
.chip-hd{
  font-size:.72rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:12px;margin-top:26px;
}
.chip-hd:first-child{margin-top:0}

/* ---------- table ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin-block:26px;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
th,td{padding:13px 17px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{
  background:var(--surface-2);font-weight:600;color:#fff;font-size:.82rem;
  letter-spacing:.03em;text-transform:uppercase;white-space:nowrap;
}
td{color:var(--text-2);line-height:1.55}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:rgba(255,255,255,.018)}
td strong{color:var(--text);font-weight:600}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:78ch}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 2px;cursor:pointer;list-style:none;
  font-family:var(--ff-h);font-size:1.04rem;font-weight:600;color:var(--text);
  letter-spacing:-.015em;line-height:1.4;min-height:48px;
  transition:color var(--dur) var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:#fff}
.faq summary .pm{
  position:relative;width:20px;height:20px;flex-shrink:0;margin-top:3px;
}
.faq summary .pm::before,.faq summary .pm::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--brand);
  transform:translate(-50%,-50%);transition:transform var(--dur) var(--ease);
}
.faq summary .pm::before{width:13px;height:2px;border-radius:2px}
.faq summary .pm::after{width:2px;height:13px;border-radius:2px}
.faq details[open] summary .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq details[open] summary{color:#fff}
.faq .ans{padding:0 2px 22px;color:var(--text-2);font-size:.96rem;line-height:1.68;max-width:70ch}
.faq .ans p + p{margin-top:12px}
.faq .ans a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- CTA band ---------- */
.cta{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line-2);
  border-radius:var(--r-xl);
  padding:clamp(36px,3.5vw,60px);
  text-align:center;
}
.cta::before{
  content:"";position:absolute;top:-60%;left:50%;transform:translateX(-50%);
  width:min(700px,110%);aspect-ratio:1.4;
  background:radial-gradient(ellipse at center,rgba(79,124,255,.22),transparent 65%);
  pointer-events:none;
}
.cta > *{position:relative;z-index:1}
.cta h2{margin-bottom:14px;max-width:24ch;margin-inline:auto}
.cta p{color:var(--text-2);max-width:56ch;margin:0 auto 28px;font-size:1.03rem}
.cta .btn-row{justify-content:center}

/* ---------- team ---------- */
.person{text-align:left}
.person .ph{
  aspect-ratio:1/1;border-radius:var(--r-lg);overflow:hidden;margin-bottom:16px;
  background:var(--surface-2);border:1px solid var(--line);
  display:grid;place-items:center;position:relative;
}
.person .ph img{width:100%;height:100%;object-fit:cover;object-position:center 22%}
/* ---------- animated vector avatar (stands in for a real headshot) ---------- */
.avatar{width:64%;height:64%;display:block;overflow:visible}
.avatar circle,.avatar path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.av-orbit{stroke-width:1.4;opacity:.26;stroke-dasharray:5 10}
.av-pulse{stroke-width:1.2;opacity:0}
.av-head,.av-body{stroke-width:3.4}

@media (prefers-reduced-motion:no-preference){
  /* transform-origin must be in user units, not %, or Safari mis-centres it */
  .av-orbit{transform-origin:60px 60px;animation:av-spin 26s linear infinite}
  .av-pulse{transform-origin:60px 60px;
    animation:av-pulse 4.2s var(--ease) infinite;
    animation-delay:calc(var(--i,0) * .42s)}
  .av-figure{transform-origin:60px 60px;
    animation:av-float 5.4s ease-in-out infinite;
    animation-delay:calc(var(--i,0) * .3s)}
  .av-head{animation:av-pop .6s var(--ease) calc(.1s + var(--i,0) * .09s) backwards;
    transform-origin:60px 45px}
  .av-body{stroke-dasharray:1;stroke-dashoffset:1;
    animation:av-draw .85s var(--ease) calc(.28s + var(--i,0) * .09s) forwards}
}
@keyframes av-spin{to{transform:rotate(360deg)}}
@keyframes av-pulse{
  0%{transform:scale(.7);opacity:0}
  40%{opacity:.32}
  100%{transform:scale(1.62);opacity:0}
}
@keyframes av-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes av-pop{from{transform:scale(.45);opacity:0}}
@keyframes av-draw{to{stroke-dashoffset:0}}

/* a real photo, when dropped in, sits over the avatar and hides it */
.person .ph img{z-index:1}
.person h3{font-size:1.08rem;margin-bottom:3px}
.person .role{font-size:.83rem;color:var(--accent);font-weight:600;margin-bottom:10px;display:block}
.person p{font-size:.9rem;color:var(--text-2);line-height:1.6}

/* ==========================================================================
   team roster rail — a snap-scrolling horizontal list.
   Deliberately an inner scroller: overflow-x lives on .team-rail so the page
   body never scrolls sideways. Affordance is threefold so it is never
   gesture-only: prev/next buttons, edge fades, and a visible thin scrollbar.
   The rail is focusable (tabindex=0) so arrow keys scroll it.
   ========================================================================== */
.sec-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  max-width:none;margin-bottom:clamp(28px,2.6vw,44px);
}
.sec-head-row > div:first-child{max-width:66ch}
.sec-head-row h2{margin-bottom:16px}

.rail-nav{display:flex;gap:8px;flex-shrink:0;padding-bottom:4px}
.rail-btn{
  width:44px;height:44px;flex-shrink:0;
  display:grid;place-items:center;cursor:pointer;
  background:var(--surface);border:1px solid var(--line-2);border-radius:50%;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),
             opacity var(--dur) var(--ease);
}
.rail-btn svg{width:18px;height:18px;stroke:var(--text);fill:none;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round}
.rail-btn:hover:not(:disabled){background:var(--surface-3);border-color:var(--brand)}
.rail-btn:disabled{opacity:.32;cursor:default}

.rail-wrap{position:relative}
/* edge fades hint at more content; toggled by JS via .can-l / .can-r */
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:14px;width:40px;z-index:2;
  pointer-events:none;opacity:0;transition:opacity var(--dur) var(--ease);
}
/* fades must blend to the section's own background — the team section sits on
   --bg, not --bg-2, or the gradient leaves a visible mismatched edge. */
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--bg) 20%,transparent)}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--bg) 20%,transparent)}
.rail-wrap.can-l::before{opacity:1}
.rail-wrap.can-r::after{opacity:1}

.team-rail{
  display:flex;gap:20px;list-style:none;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  scroll-padding-inline:0;
  padding-bottom:14px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:var(--line-2) transparent;
}
.team-rail:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}
.team-rail::-webkit-scrollbar{height:8px}
.team-rail::-webkit-scrollbar-track{background:transparent}
.team-rail::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px}
.team-rail::-webkit-scrollbar-thumb:hover{background:#3a4560}
.team-rail > li{
  flex:0 0 268px;min-width:0;
  scroll-snap-align:start;
  display:flex;
}
.team-rail > li > *{width:100%;height:auto}

@media (prefers-reduced-motion:no-preference){
  .team-rail{scroll-behavior:smooth}
}
@media (max-width:640px){
  .team-rail > li{flex:0 0 82vw;max-width:300px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:20px}
  .rail-nav{align-self:flex-end}
  .rail-wrap::before,.rail-wrap::after{width:26px}
}

/* ---------- prose (blog) ---------- */
.prose{max-width:70ch;font-size:1.04rem;line-height:1.75;color:var(--text-2)}
.prose > * + *{margin-top:22px}
.prose h2{font-size:clamp(1.45rem,1.2rem + 1vw,1.9rem);color:#fff;margin-top:44px;margin-bottom:-4px;scroll-margin-top:96px}
.prose h3{font-size:1.2rem;color:#fff;margin-top:32px;margin-bottom:-6px;scroll-margin-top:96px}
.prose strong{color:var(--text);font-weight:600}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:#7fa1ff}
.prose ul,.prose ol{padding-left:4px;display:flex;flex-direction:column;gap:11px}
.prose ul li{position:relative;padding-left:24px}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--brand);
}
.prose ol{counter-reset:n}
.prose ol li{position:relative;padding-left:32px;counter-increment:n}
.prose ol li::before{
  content:counter(n);position:absolute;left:0;top:1px;
  width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(79,124,255,.24);
  font-size:.72rem;font-weight:700;color:var(--brand);font-family:var(--ff-h);
}
.prose blockquote{
  border-left:3px solid var(--brand);padding:4px 0 4px 22px;
  color:var(--text);font-size:1.1rem;line-height:1.6;
}
.prose .tbl-wrap{max-width:none}
.prose figure{margin-block:32px}
.prose figcaption{font-size:.84rem;color:var(--text-3);margin-top:10px;text-align:center}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;
  background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:#a9beff;
}

.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.84rem;color:var(--text-3);margin-top:20px}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.6}
.tag{
  display:inline-flex;padding:5px 12px;font-size:.76rem;font-weight:600;
  border-radius:999px;background:var(--grad-soft);border:1px solid rgba(79,124,255,.24);color:#a9beff;
}

.toc{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;margin-block:32px;
}
.toc b{display:block;font-family:var(--ff-h);font-size:.95rem;color:#fff;margin-bottom:12px}
.toc ol{display:flex;flex-direction:column;gap:8px;counter-reset:t}
.toc li{counter-increment:t;font-size:.93rem}
.toc a{color:var(--text-2);text-decoration:none}
.toc a:hover{color:var(--brand)}
.toc li::before{content:counter(t) ". ";color:var(--text-3);font-variant-numeric:tabular-nums}

/* article card */
.acard{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.acard:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--surface-2)}
.acard .tag{margin-bottom:14px;align-self:flex-start}
.acard h3{font-size:1.14rem;margin-bottom:10px;line-height:1.32}
.acard p{font-size:.92rem;color:var(--text-2);line-height:1.6;margin-bottom:16px}
.acard .m{margin-top:auto;font-size:.8rem;color:var(--text-3)}

/* ---------- forms ---------- */
.form-card{
  background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--r-xl);padding:clamp(24px,2.5vw,38px);
}
.field{margin-bottom:18px}
.field label{
  display:block;font-size:.85rem;font-weight:600;color:var(--text);margin-bottom:7px;
}
.field .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 15px;
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:11px;
  font-size:1rem;color:var(--text);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.6}
.field select{cursor:pointer;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='%237d879e' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:42px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,124,255,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#5f6a80}
.field .hint{font-size:.79rem;color:var(--text-3);margin-top:6px;line-height:1.45}
.field.err input,.field.err select,.field.err textarea{border-color:#ff6b6b}
.field .emsg{display:none;font-size:.8rem;color:#ff8f8f;margin-top:6px}
.field.err .emsg{display:block}
.f-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}

.check{display:flex;gap:11px;align-items:flex-start;margin-bottom:22px}
.check input{width:19px;height:19px;min-height:0;flex-shrink:0;margin-top:3px;accent-color:var(--brand);cursor:pointer}
.check label{font-size:.86rem;color:var(--text-2);font-weight:400;line-height:1.55;margin:0;cursor:pointer}
.check a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- contact meta ---------- */
.cmeta{display:flex;flex-direction:column;gap:2px}
.cmeta .row{
  display:flex;gap:15px;align-items:flex-start;
  padding:19px 0;border-bottom:1px solid var(--line);
}
.cmeta .row:last-child{border-bottom:0}
.cmeta .ic{
  width:40px;height:40px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(79,124,255,.24);
}
.cmeta .ic svg{width:18px;height:18px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.cmeta b{display:block;font-size:.79rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:4px}
.cmeta a,.cmeta span{color:var(--text);font-size:.98rem;line-height:1.5}
.cmeta a:hover{color:var(--brand)}

/* ---------- placeholder slot (honest empty state) ---------- */
.slot{
  border:1px dashed var(--line-2);border-radius:var(--r-lg);
  padding:32px 26px;text-align:center;background:rgba(255,255,255,.012);
}
.slot .ico{margin-inline:auto}
.slot h3{font-size:1.06rem;margin-bottom:8px}
.slot p{color:var(--text-3);font-size:.92rem;max-width:46ch;margin-inline:auto}

/* ---------- footer ---------- */
.ftr{background:var(--bg-2);border-top:1px solid var(--line);padding-block:clamp(44px,3vw + 30px,68px) 28px}
.ftr-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:40px 32px;margin-bottom:44px}
.ftr-brand .logo{margin-bottom:16px}
.ftr-brand p{font-size:.9rem;color:var(--text-3);line-height:1.65;max-width:34ch}
.ftr h4{
  font-family:var(--ff-b);font-size:.75rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:16px;
}
.ftr ul{display:flex;flex-direction:column;gap:10px}
.ftr ul a{font-size:.9rem;color:var(--text-2);transition:color var(--dur) var(--ease)}
.ftr ul a:hover{color:#fff}
.ftr-btm{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between;
  font-size:.82rem;color:var(--text-3);
}
.ftr-btm a:hover{color:var(--text-2)}
.socials{display:flex;gap:8px}
.socials a{
  width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.socials svg{width:16px;height:16px;fill:var(--text-3);transition:fill var(--dur) var(--ease)}
.socials a:hover{border-color:var(--line-2);background:var(--surface-2)}
.socials a:hover svg{fill:#fff}

/* ---------- reveal animation ---------- */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ---------- code/UI mockup panel ---------- */
.mock{
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-3);
}
.mock-bar{
  display:flex;align-items:center;gap:7px;padding:12px 15px;
  background:var(--surface-2);border-bottom:1px solid var(--line);
}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:var(--line-2);display:block}
.mock-bar i:first-child{background:#ff5f57}.mock-bar i:nth-child(2){background:#febc2e}.mock-bar i:nth-child(3){background:#28c840}
.mock-bar span{margin-left:8px;font-size:.76rem;color:var(--text-3);font-family:ui-monospace,Menlo,monospace}
.mock-body{padding:20px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;line-height:1.85;overflow-x:auto}
.mock-body .l{display:block;white-space:pre;color:var(--text-3)}
.mock-body .k{color:#7c5cff}.mock-body .s{color:#22e3c4}.mock-body .f{color:#4f7cff}.mock-body .c{color:#4a5468}.mock-body .v{color:#eef1f8}

/* ---------- 404 ---------- */
.e404{min-height:64vh;display:grid;place-items:center;text-align:center;padding-block:80px}
.e404 .code{
  font-family:var(--ff-h);font-size:clamp(4rem,3rem + 8vw,8rem);font-weight:700;
  letter-spacing:-.06em;line-height:1;
  background:linear-gradient(135deg,#4f7cff,#7c5cff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:12px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1080px){
  .sub{min-width:440px}
  .ftr-grid{grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:36px 24px}
}

@media (max-width:940px){
  .nav,.nav-cta{display:none}
  .burger{display:inline-flex}
  .hero-split,.split{grid-template-columns:minmax(0,1fr);gap:40px}
  .hero-split .mock,.split .mock{order:2}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftr-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 24px}
  .ftr-brand{grid-column:1/-1}
}

@media (pointer:coarse){
  .btn-sm{min-height:44px}
  .nav a,.has-sub > button{height:44px}
}

@media (max-width:640px){
  :root{--nav-h:64px}
  .wrap{padding-inline:18px}
  .g-2,.g-3,.g-4{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .f-2{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:20px 14px}
  .card{padding:22px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .btn-sm{width:auto}
  .answer{padding:18px 20px}
  .cta{border-radius:var(--r-lg)}
  .prose{font-size:1rem}
  .logo-txt{font-size:1.05rem}
  .ftr-btm{flex-direction:column;align-items:flex-start}
}

@media (max-width:400px){
  .stats{grid-template-columns:minmax(0,1fr)}
}

@media print{
  .hdr,.drawer,.cta,.socials{display:none}
  body{background:#fff;color:#000}
}

/* ==========================================================================
   MOTION LAYER — scroll-driven journey
   All motion is transform/opacity only, gated behind
   @media (prefers-reduced-motion: no-preference), and driven by two custom
   properties written once per frame by a single rAF loop:
     --p   0→1  progress through the hero
     --sp  0→1  progress through the whole document (header progress bar)
   ========================================================================== */

/* ---------- header scroll progress (functional, not decorative) ---------- */
.hdr{overflow:visible}
.progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  transform:scaleX(var(--sp,0));transform-origin:0 50%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2) 62%,var(--accent));
  opacity:0;transition:opacity 260ms var(--ease);
  pointer-events:none;
}
.hdr.scrolled .progress{opacity:1}

/* ---------- reveal: refined ---------- */
.js .rv{
  opacity:0;
  transform:translate3d(0,20px,0);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
  will-change:opacity,transform;
}
.js .rv.in{opacity:1;transform:none;will-change:auto}
/* cards and mock panels get a touch of scale so they feel like they settle */
.js .card.rv,.js .acard.rv,.js .mock.rv,.js .slot.rv,.js .cta.rv,.js .form-card.rv,.js .step.rv{
  transform:translate3d(0,22px,0) scale(.988);
}
.js .card.rv.in,.js .acard.rv.in,.js .mock.rv.in,.js .slot.rv.in,.js .cta.rv.in,.js .form-card.rv.in,.js .step.rv.in{
  transform:none;
}

@media (prefers-reduced-motion:no-preference){

  /* ---------- hero: scrubbed as you scroll through it ---------- */
  .hero{--p:0}
  /* grid drifts up and dissolves */
  .hero-bg::after{
    transform:translate3d(0,calc(var(--p) * -90px),0);
    opacity:calc(1 - var(--p) * .85);
  }
  /* central glow blooms outward and dims */
  .hero-bg::before{
    transform:translateX(-50%) scale(calc(1 + var(--p) * .34));
    opacity:calc(1 - var(--p) * .55);
  }
  /* content lifts slightly and softens — capped so it never becomes unreadable
     while still in view */
  .hero .wrap{
    transform:translate3d(0,calc(var(--p) * -26px),0);
    opacity:calc(1 - var(--p) * .5);
  }

  /* inner-page hero: gentler version of the same idea */
  .phero{--p:0}
  .phero::before{
    transform:scale(calc(1 + var(--p) * .22));
    opacity:calc(1 - var(--p) * .5);
  }

  /* ---------- ambient drift: two blurred orbs behind the hero ---------- */
  .hero::before,.hero::after{
    content:"";position:absolute;z-index:0;pointer-events:none;
    border-radius:50%;filter:blur(70px);
    will-change:transform;
  }
  .hero::before{
    width:38vw;height:38vw;max-width:520px;max-height:520px;
    top:-6%;left:-8%;
    background:radial-gradient(circle,rgba(79,124,255,.20),transparent 68%);
    animation:drift-a 34s var(--ease) infinite alternate;
  }
  .hero::after{
    width:32vw;height:32vw;max-width:460px;max-height:460px;
    bottom:-14%;right:-6%;
    background:radial-gradient(circle,rgba(34,227,196,.13),transparent 68%);
    animation:drift-b 42s var(--ease) infinite alternate;
  }
  @keyframes drift-a{
    from{transform:translate3d(0,0,0) scale(1)}
    to{transform:translate3d(9vw,5vh,0) scale(1.16)}
  }
  @keyframes drift-b{
    from{transform:translate3d(0,0,0) scale(1.1)}
    to{transform:translate3d(-7vw,-6vh,0) scale(1)}
  }

  /* ---------- pipeline panel: output streams in on first view ---------- */
  .js .mock-body .l{opacity:0;transform:translate3d(-6px,0,0)}
  .js .mock.in .mock-body .l{animation:stream .42s var(--ease) forwards}
  .js .mock.in .mock-body .l:nth-child(1){animation-delay:.26s}
  .js .mock.in .mock-body .l:nth-child(2){animation-delay:.32s}
  .js .mock.in .mock-body .l:nth-child(3){animation-delay:.38s}
  .js .mock.in .mock-body .l:nth-child(4){animation-delay:.44s}
  .js .mock.in .mock-body .l:nth-child(5){animation-delay:.50s}
  .js .mock.in .mock-body .l:nth-child(6){animation-delay:.56s}
  .js .mock.in .mock-body .l:nth-child(7){animation-delay:.62s}
  .js .mock.in .mock-body .l:nth-child(8){animation-delay:.68s}
  .js .mock.in .mock-body .l:nth-child(9){animation-delay:.74s}
  .js .mock.in .mock-body .l:nth-child(10){animation-delay:.80s}
  .js .mock.in .mock-body .l:nth-child(11){animation-delay:.86s}
  .js .mock.in .mock-body .l:nth-child(12){animation-delay:.92s}
  .js .mock.in .mock-body .l:nth-child(13){animation-delay:.98s}
  @keyframes stream{to{opacity:1;transform:none}}

  /* ---------- delivery process: the active step lights up as you scroll ---------- */
  .step{transition:background var(--dur) var(--ease)}
  .step::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
    background:var(--grad);
    transform:scaleY(0);transform-origin:50% 0;
    transition:transform .45s var(--ease);
  }
  .step.act::before{transform:scaleY(1)}
  .step.act{background:var(--surface-2)}
  .step .card-num{transition:color var(--dur) var(--ease)}
  .step.act .card-num{color:var(--accent)}

  /* ---------- eyebrow rule draws itself in ---------- */
  .rv .eyebrow::before,.sec-head .eyebrow::before{
    transform:scaleX(0);transform-origin:0 50%;
    transition:transform .6s var(--ease) .12s;
  }
  .rv.in .eyebrow::before,.sec-head.rv.in .eyebrow::before{transform:scaleX(1)}

  /* ---------- chips settle in a wave ---------- */
  .js .stack-grid .chip{
    opacity:0;transform:translate3d(0,8px,0);
    transition:opacity .4s var(--ease),transform .4s var(--ease),
               border-color var(--dur) var(--ease),color var(--dur) var(--ease);
  }
  .js .rv.in .stack-grid .chip{opacity:1;transform:none}
  .js .rv.in .stack-grid .chip:nth-child(1){transition-delay:.04s}
  .js .rv.in .stack-grid .chip:nth-child(2){transition-delay:.08s}
  .js .rv.in .stack-grid .chip:nth-child(3){transition-delay:.12s}
  .js .rv.in .stack-grid .chip:nth-child(4){transition-delay:.16s}
  .js .rv.in .stack-grid .chip:nth-child(5){transition-delay:.20s}
  .js .rv.in .stack-grid .chip:nth-child(6){transition-delay:.24s}
  .js .rv.in .stack-grid .chip:nth-child(7){transition-delay:.28s}
  .js .rv.in .stack-grid .chip:nth-child(8){transition-delay:.32s}

  /* ---------- CTA band glow tracks the pointer ---------- */
  .cta::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),
               rgba(79,124,255,.14),transparent 62%);
    opacity:0;transition:opacity .4s var(--ease);
  }
  .cta:hover::after{opacity:1}

  /* ---------- card lift gets a rim light ---------- */
  .card,.acard{position:relative}
  .card::after,.acard::after{
    content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
    background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 40%);
    opacity:0;transition:opacity var(--dur) var(--ease);
  }
  .card:hover::after,.acard:hover::after{opacity:1}
}

/* reduced motion: everything static, nothing hidden */
@media (prefers-reduced-motion:reduce){
  .rv,.card.rv,.acard.rv,.mock.rv,.slot.rv,.cta.rv,.form-card.rv,.step.rv,
  .mock-body .l,.stack-grid .chip,
  .js .rv,.js .mock-body .l,.js .stack-grid .chip{opacity:1!important;transform:none!important}
  .progress{display:none}
}

/* the shared chevron icon points right; flip it for the "previous" control */
.rail-btn[data-rail="prev"] svg{transform:rotate(180deg)}
/* when the rail fits, the controls are noise — JS hides the whole nav */
.rail-nav[hidden]{display:none!important}