/* ============================================================
   Phinome — Financial Genome Infrastructure
   ============================================================ */

/* ---------- tokens ----------
   Dark is the base theme. The light palette is applied when the system asks
   for it, and either theme can be pinned with data-theme on <html>. */
:root{
  --bg:            #05070d;
  --bg-2:          #080b14;
  --bg-3:          #0c111c;
  --bg-rgb:        5,7,13;
  --surface-hover: #0c111c;

  --line:          rgba(255,255,255,.08);
  --line-strong:   rgba(255,255,255,.16);

  --ink:           #e9edf6;
  --ink-2:         #aab3c7;
  --ink-3:         #6f7a91;

  --cyan:          #3ddbd9;
  --violet:        #a78bfa;
  --amber:         #fbbf5c;
  --green:         #5ee9a4;
  --rose:          #fb7185;

  --accent-rgb:    61,219,217;
  --violet-rgb:    167,139,250;
  --rose-rgb:      251,113,133;

  /* button / gradient surfaces */
  --grad:          linear-gradient(100deg,#3ddbd9,#7dd3fc 45%,#a78bfa);
  --on-grad:       #04101a;
  --btn-hover-fill:#e9f7ff;
  --btn-hover-ink: #04101a;

  /* code + inputs */
  --code-bg:       #04060c;
  --code-ink:      #aab3c7;
  --c-k:           #8ab4f8;
  --c-s:           #7ee2b8;
  --c-n:           #f5c86b;

  --input-bg:      #04060c;
  --placeholder:   #4b5568;
  --nav-bg:        rgba(5,7,13,.72);
  --panel-bg:      rgba(8,11,20,.7);

  --big-grad:      linear-gradient(160deg,#fff,#93a3bd);
  --card-shadow:   none;
  --card-glow:     12%;
  --grain-blend:   overlay;
  --grain-opacity: .035;

  /* canvas visuals read these — see assets/js/canvas.js */
  --viz-helix-a:   61,219,217;
  --viz-helix-b:   167,139,250;
  --viz-node:      160,190,220;
  --viz-node-a:    .42;
  --viz-edge:      255,255,255;
  --viz-edge-a:    .085;
  --viz-mule:      251,191,92;
  --viz-sink:      251,113,133;
  --viz-pulse:     255,236,196;

  --select-caret:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%236f7a91' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");

  color-scheme: dark;

  --ff-sans: "Space Grotesk", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ff-serif: "Instrument Serif", ui-serif, Georgia, "Times New Roman", serif;
  --ff-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --maxw: 1220px;
  --pad: clamp(20px, 5vw, 56px);
  --radius: 14px;

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-io: cubic-bezier(.65,.05,.36,1);
}

/* system preference — unless the visitor pinned dark */
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
  --bg:            #fcfcfe;
  --bg-2:          #f4f6fb;
  --bg-3:          #ffffff;
  --bg-rgb:        252,252,254;
  --surface-hover: #f4f6fb;

  --line:          rgba(12,18,38,.11);
  --line-strong:   rgba(12,18,38,.22);

  --ink:           #0c111d;
  --ink-2:         #4a5468;
  --ink-3:         #656f84;

  --cyan:          #0f766e;
  --violet:        #7c3aed;
  --amber:         #b45309;
  --green:         #047857;
  --rose:          #be123c;

  --accent-rgb:    15,118,110;
  --violet-rgb:    124,58,237;
  --rose-rgb:      190,18,60;

  --grad:          linear-gradient(100deg,#0f766e,#1d4ed8 45%,#6d28d9);
  --on-grad:       #ffffff;
  --btn-hover-fill:#0c111d;
  --btn-hover-ink: #ffffff;

  --code-bg:       #f7f9fd;
  --code-ink:      #414a5c;
  --c-k:           #1d4ed8;
  --c-s:           #047857;
  --c-n:           #b45309;

  --input-bg:      #ffffff;
  --placeholder:   #7b8497;
  --nav-bg:        rgba(252,252,254,.78);
  --panel-bg:      rgba(255,255,255,.78);

  --big-grad:      linear-gradient(160deg,#111827,#64748b);
  --card-shadow:   0 1px 2px rgba(12,18,38,.05), 0 12px 28px -16px rgba(12,18,38,.16);
  --card-glow:     7%;
  --grain-blend:   multiply;
  --grain-opacity: .022;

  --viz-helix-a:   15,118,110;
  --viz-helix-b:   124,58,237;
  --viz-node:      100,116,139;
  --viz-node-a:    .5;
  --viz-edge:      12,18,38;
  --viz-edge-a:    .14;
  --viz-mule:      217,119,6;
  --viz-sink:      190,18,60;
  --viz-pulse:     124,45,18;

  --select-caret:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23656f84' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");

  color-scheme: light;
  }
}

/* explicit choice from the theme toggle */
:root[data-theme="light"]{
  --bg:            #fcfcfe;
  --bg-2:          #f4f6fb;
  --bg-3:          #ffffff;
  --bg-rgb:        252,252,254;
  --surface-hover: #f4f6fb;

  --line:          rgba(12,18,38,.11);
  --line-strong:   rgba(12,18,38,.22);

  --ink:           #0c111d;
  --ink-2:         #4a5468;
  --ink-3:         #656f84;

  --cyan:          #0f766e;
  --violet:        #7c3aed;
  --amber:         #b45309;
  --green:         #047857;
  --rose:          #be123c;

  --accent-rgb:    15,118,110;
  --violet-rgb:    124,58,237;
  --rose-rgb:      190,18,60;

  --grad:          linear-gradient(100deg,#0f766e,#1d4ed8 45%,#6d28d9);
  --on-grad:       #ffffff;
  --btn-hover-fill:#0c111d;
  --btn-hover-ink: #ffffff;

  --code-bg:       #f7f9fd;
  --code-ink:      #414a5c;
  --c-k:           #1d4ed8;
  --c-s:           #047857;
  --c-n:           #b45309;

  --input-bg:      #ffffff;
  --placeholder:   #7b8497;
  --nav-bg:        rgba(252,252,254,.78);
  --panel-bg:      rgba(255,255,255,.78);

  --big-grad:      linear-gradient(160deg,#111827,#64748b);
  --card-shadow:   0 1px 2px rgba(12,18,38,.05), 0 12px 28px -16px rgba(12,18,38,.16);
  --card-glow:     7%;
  --grain-blend:   multiply;
  --grain-opacity: .022;

  --viz-helix-a:   15,118,110;
  --viz-helix-b:   124,58,237;
  --viz-node:      100,116,139;
  --viz-node-a:    .5;
  --viz-edge:      12,18,38;
  --viz-edge-a:    .14;
  --viz-mule:      217,119,6;
  --viz-sink:      190,18,60;
  --viz-pulse:     124,45,18;

  --select-caret:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23656f84' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");

  color-scheme: light;
}

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

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
html.lenis, html.lenis body{ height:auto; }
.lenis.lenis-smooth{ scroll-behavior:auto !important; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--ff-sans);
  font-size:clamp(15.5px,1.05vw,17px);
  line-height:1.62;
  letter-spacing:-.003em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img,svg,canvas{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }

::selection{ background:rgba(var(--accent-rgb),.26); color:var(--ink); }

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

.skip-link{
  position:fixed; top:-100px; left:16px; z-index:200;
  background:var(--cyan); color:var(--on-grad); padding:10px 16px;
  border-radius:8px; font-weight:600; font-size:14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{ top:16px; }

/* ---------- atmosphere ---------- */
.grain{
  position:fixed; inset:-50%; z-index:1; pointer-events:none;
  opacity:var(--grain-opacity); mix-blend-mode:var(--grain-blend);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(6) infinite;
}
@keyframes grain{
  0%,100%{ transform:translate(0,0) }
  20%{ transform:translate(-2%,1%) }
  40%{ transform:translate(1%,-2%) }
  60%{ transform:translate(-1%,-1%) }
  80%{ transform:translate(2%,1%) }
}

.cursor{
  position:fixed; top:0; left:0; z-index:150; pointer-events:none;
  width:26px; height:26px; margin:-13px 0 0 -13px; border-radius:50%;
  border:1px solid rgba(var(--accent-rgb),.55);
  background:radial-gradient(circle, rgba(var(--accent-rgb),.16), transparent 65%);
  opacity:0; transform:translate3d(-100px,-100px,0);
  transition:opacity .3s var(--ease), width .28s var(--ease), height .28s var(--ease), margin .28s var(--ease), background .28s var(--ease);
}
.cursor.is-on{ opacity:1; }
.cursor.is-hot{ width:52px; height:52px; margin:-26px 0 0 -26px; background:radial-gradient(circle, rgba(var(--accent-rgb),.10), transparent 70%); }

.scroll-progress{
  position:fixed; top:0; left:0; right:0; height:2px; z-index:120;
  background:transparent; pointer-events:none;
}
.scroll-progress span{
  display:block; height:100%; width:0%;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
  box-shadow:0 0 14px rgba(var(--accent-rgb),.6);
}

/* ---------- layout ---------- */
.container{
  width:100%; max-width:var(--maxw);
  margin-inline:auto; padding-inline:var(--pad);
  position:relative; z-index:2;
}
.section{ padding-block:clamp(84px,11vw,168px); position:relative; z-index:2; }
.section__head{ max-width:760px; margin-bottom:clamp(48px,6vw,84px); }

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--ff-mono);
  font-size:11.5px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--ink-3); margin:0 0 20px;
  display:flex; align-items:center; gap:10px;
}
.pulse-dot{
  width:6px; height:6px; border-radius:50%; background:var(--cyan);
  box-shadow:0 0 0 0 rgba(var(--accent-rgb),.6); animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(var(--accent-rgb),.55) }
  70%{ box-shadow:0 0 0 9px rgba(var(--accent-rgb),0) }
  100%{ box-shadow:0 0 0 0 rgba(var(--accent-rgb),0) }
}

.h2{
  font-size:clamp(34px,5.2vw,62px);
  line-height:1.04; letter-spacing:-.022em; font-weight:500;
  margin:0 0 22px;
}
h3{ letter-spacing:-.017em; }
em{
  font-family:var(--ff-serif); font-style:italic; font-weight:400;
  letter-spacing:-.01em;
  background:linear-gradient(100deg,var(--cyan),var(--violet));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.lede{
  font-size:clamp(17px,1.5vw,21px); line-height:1.55;
  color:var(--ink-2); margin:0 0 20px; letter-spacing:-.008em;
}
.lede--wide{ max-width:64ch; }

/* ---------- buttons ---------- */
.btn{
  --btn-bg:transparent;
  position:relative; display:inline-flex; align-items:center; justify-content:center;
  gap:9px; padding:14px 26px; border-radius:100px; border:1px solid var(--line-strong);
  font-size:14.5px; font-weight:500; letter-spacing:-.01em; cursor:pointer;
  background:var(--btn-bg); overflow:hidden; isolation:isolate;
  transition:border-color .3s var(--ease), transform .3s var(--ease), color .3s var(--ease);
  will-change:transform;
}
.btn::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:var(--grad);
  transform:translateY(101%); transition:transform .45s var(--ease);
}
.btn:hover::before{ transform:translateY(0); }
.btn:hover{ color:var(--on-grad); border-color:transparent; }
.btn--primary{
  background:var(--grad);
  color:var(--on-grad); border-color:transparent; font-weight:600;
}
.btn--primary::before{ background:var(--btn-hover-fill); }
.btn--primary:hover{ color:var(--btn-hover-ink); }
.btn--ghost{ color:var(--ink); }
.btn--sm{ padding:10px 18px; font-size:13.5px; }
.btn--block{ width:100%; padding:16px 26px; font-size:15.5px; }
.btn__icon{ width:15px; height:15px; transition:transform .3s var(--ease); }
.btn:hover .btn__icon{ transform:translateX(3px); }
.btn span{ position:relative; z-index:1; }

/* ---------- nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:110;
  transition:background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:var(--nav-bg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav__inner{
  display:flex; align-items:center; gap:28px;
  height:70px;
}
.brand{ display:flex; align-items:center; gap:10px; margin-right:auto; }
/* the mark is taller than it is wide, so pin the height and let width follow */
.brand__mark{ width:auto; height:26px; }
.brand:hover .brand__mark{ animation:spinY 1.4s var(--ease); }
@keyframes spinY{ to{ transform:rotateY(360deg) } }
.brand__word{
  font-size:18px; font-weight:600; letter-spacing:-.02em;
}
.nav__links{ display:flex; gap:30px; }
.nav__links a{
  font-size:14px; color:var(--ink-2); position:relative; padding-block:4px;
  transition:color .25s var(--ease);
}
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--cyan); transition:width .3s var(--ease);
}
.nav__links a:hover{ color:var(--ink); }
.nav__links a:hover::after, .nav__links a.is-active::after{ width:100%; }
.nav__links a.is-active{ color:var(--ink); }

.theme-toggle{
  width:38px; height:38px; flex:0 0 auto; display:grid; place-items:center;
  border:1px solid var(--line); border-radius:100px; background:transparent;
  color:var(--ink-2); cursor:pointer;
  transition:color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.theme-toggle:hover{ color:var(--ink); border-color:var(--line-strong); background:var(--bg-3); }
.theme-toggle__icon{ width:17px; height:17px; grid-area:1/1; transition:opacity .3s var(--ease), transform .45s var(--ease); }
/* dark theme → offer the sun; light theme → offer the moon */
.theme-toggle__moon{ opacity:0; transform:rotate(-70deg) scale(.6); }
:root[data-theme="light"] .theme-toggle__sun{ opacity:0; transform:rotate(70deg) scale(.6); }
:root[data-theme="light"] .theme-toggle__moon{ opacity:1; transform:none; }
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]) .theme-toggle__sun{ opacity:0; transform:rotate(70deg) scale(.6); }
  :root:not([data-theme="dark"]) .theme-toggle__moon{ opacity:1; transform:none; }
}

.nav__toggle{
  display:none; width:40px; height:40px; border:1px solid var(--line);
  border-radius:10px; background:transparent; cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav__toggle span{ display:block; width:16px; height:1.5px; background:var(--ink); transition:transform .3s var(--ease), opacity .3s; }
.nav__toggle[aria-expanded="true"] span:first-child{ transform:translateY(3.25px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child{ transform:translateY(-3.25px) rotate(-45deg); }

.nav__mobile{
  display:none; flex-direction:column; gap:2px; padding:8px var(--pad) 24px;
  background:rgba(var(--bg-rgb),.96); backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav__mobile a{ padding:13px 0; border-bottom:1px solid var(--line); font-size:16px; }
.nav__mobile-cta{ color:var(--cyan) !important; border-bottom:0 !important; }

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:100svh;
  display:flex; align-items:center;
  padding-block:130px 90px; overflow:hidden;
}
.hero__canvas{
  position:absolute; inset:0; width:100%; height:100%; z-index:0;
}
.hero__veil{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(120% 85% at 78% 42%, transparent 0%, rgba(var(--bg-rgb),.55) 55%, var(--bg) 88%),
    linear-gradient(180deg, rgba(var(--bg-rgb),.86) 0%, rgba(var(--bg-rgb),.20) 34%, rgba(var(--bg-rgb),.72) 82%, var(--bg) 100%);
}
.hero__inner{ z-index:2; max-width:1080px; }
.hero__eyebrow{ opacity:0; }
.hero__title{
  font-size:clamp(38px,6vw,82px);
  line-height:1.02; letter-spacing:-.028em; font-weight:500;
  margin:0 0 30px;
}
.hero__title .line{ overflow:hidden; display:block; }
.hero__title .word{ display:inline-block; }
.hero__title em .word{
  background:linear-gradient(100deg,var(--cyan),var(--violet));
  -webkit-background-clip:text; background-clip:text;
  color:transparent; -webkit-text-fill-color:transparent;
}
.hero__lede{
  max-width:58ch; font-size:clamp(16px,1.4vw,19.5px); line-height:1.6;
  color:var(--ink-2); margin:0 0 38px; letter-spacing:-.006em;
}
.hero__lede em{ font-size:1.08em; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:clamp(48px,7vw,88px); }
.hero__stats{
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(16px,3vw,40px); margin:0;
  border-top:1px solid var(--line); padding-top:26px; max-width:820px;
}
.stat dt{
  font-family:var(--ff-mono); font-size:10.5px; letter-spacing:.16em;
  text-transform:uppercase; color:var(--ink-3); margin-bottom:8px;
}
.stat dd{
  margin:0; font-size:clamp(24px,3vw,38px); font-weight:500;
  letter-spacing:-.028em; line-height:1; display:flex; align-items:baseline; gap:2px;
}
.stat dd i{ font-style:normal; font-size:.44em; color:var(--ink-3); letter-spacing:0; }

.hero__scrollcue{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:3;
  width:1px; height:52px; background:linear-gradient(180deg,transparent,var(--line-strong));
  overflow:hidden;
}
.hero__scrollcue span{
  position:absolute; top:0; left:0; width:100%; height:16px;
  background:var(--cyan); animation:cue 2.2s var(--ease-io) infinite;
}
@keyframes cue{ 0%{ transform:translateY(-16px) } 60%,100%{ transform:translateY(52px) } }

/* ---------- marquee ---------- */
.marquee{
  border-block:1px solid var(--line); background:var(--bg-2);
  overflow:hidden; padding-block:14px; position:relative; z-index:2;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{
  display:flex; gap:44px; width:max-content;
  font-family:var(--ff-mono); font-size:11.5px; letter-spacing:.2em;
  color:var(--ink-3); text-transform:uppercase; white-space:nowrap;
  animation:marquee 44s linear infinite;
}
.marquee__track b{ color:var(--cyan); font-weight:400; }
@keyframes marquee{ to{ transform:translateX(-50%) } }

/* ---------- thesis ---------- */
.statement{
  font-size:clamp(28px,4.4vw,56px); line-height:1.14; letter-spacing:-.022em;
  font-weight:400; max-width:19ch; margin:0 0 clamp(56px,7vw,96px);
  color:var(--ink-3);
}
.statement .w{ color:var(--ink-3); }
.statement em .w{
  background:linear-gradient(100deg,var(--cyan),var(--violet));
  -webkit-background-clip:text; background-clip:text;
  color:transparent !important; -webkit-text-fill-color:transparent;
}
.statement em{ font-size:1.06em; }

.thesis__grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1px; background:var(--line); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden;
}
.thesis__card{
  background:var(--bg); padding:clamp(26px,3vw,38px);
  transition:background .4s var(--ease);
}
.thesis__card:hover{ background:var(--surface-hover); }
.thesis__num{
  font-family:var(--ff-serif); font-style:italic; font-size:30px;
  color:var(--cyan); display:block; margin-bottom:18px; opacity:.8;
}
.thesis__card h3{ font-size:19px; margin:0 0 10px; font-weight:600; }
.thesis__card p{ margin:0; color:var(--ink-2); font-size:15px; }

/* ---------- helix ---------- */
.helix{ background:linear-gradient(180deg,var(--bg),var(--bg-2) 40%,var(--bg)); }
.helix__layout{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(36px,5vw,80px);
  align-items:start;
}
.helix__copy p{ color:var(--ink-2); }
.pull{
  margin:30px 0; padding:22px 26px; border-left:2px solid var(--cyan);
  background:linear-gradient(90deg,rgba(var(--accent-rgb),.06),transparent);
  font-size:clamp(17px,1.5vw,20px); line-height:1.45; color:var(--ink);
  letter-spacing:-.012em; border-radius:0 10px 10px 0;
}
.specs{ list-style:none; margin:34px 0 0; padding:0; border-top:1px solid var(--line); }
.specs li{
  display:flex; justify-content:space-between; align-items:baseline; gap:20px;
  padding:13px 0; border-bottom:1px solid var(--line);
}
.specs span{ font-family:var(--ff-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); }
.specs b{ font-weight:500; font-size:14.5px; text-align:right; }

.helix__viz{ position:sticky; top:100px; }
.viz-frame{
  position:relative; aspect-ratio:1/1; border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden; background:
    radial-gradient(80% 80% at 50% 40%, rgba(var(--accent-rgb),.05), transparent 70%), var(--bg-3);
}
.viz-frame canvas{ position:absolute; inset:0; width:100%; height:100%; }
.viz-frame__hud{
  position:absolute; left:14px; bottom:14px; display:flex; gap:8px; flex-wrap:wrap;
  font-family:var(--ff-mono); font-size:10px; letter-spacing:.13em; text-transform:uppercase;
}
.hud__tag, .hud__metric{
  padding:5px 9px; border:1px solid var(--line); border-radius:100px;
  background:rgba(var(--bg-rgb),.6); color:var(--ink-3); backdrop-filter:blur(6px);
}
.hud__tag{ color:var(--cyan); border-color:rgba(var(--accent-rgb),.3); }
.viz-frame__corners i{
  position:absolute; width:12px; height:12px; border:1px solid rgba(var(--accent-rgb),.4);
}
.viz-frame__corners i:nth-child(1){ top:10px; left:10px; border-right:0; border-bottom:0; }
.viz-frame__corners i:nth-child(2){ top:10px; right:10px; border-left:0; border-bottom:0; }
.viz-frame__corners i:nth-child(3){ bottom:10px; left:10px; border-right:0; border-top:0; }
.viz-frame__corners i:nth-child(4){ bottom:10px; right:10px; border-left:0; border-top:0; }
.viz-caption{
  margin:14px 0 0; font-size:12.5px; color:var(--ink-3); font-family:var(--ff-mono);
  letter-spacing:.01em; line-height:1.5;
}

/* ---------- product cards ---------- */
.cards{ list-style:none; margin:0; padding:0; display:grid; gap:clamp(18px,2vw,26px); grid-template-columns:repeat(2,1fr); }
.card{
  --c:var(--cyan);
  position:relative; padding:clamp(26px,2.6vw,38px); border:1px solid var(--line);
  border-radius:var(--radius); background:var(--bg-2); overflow:hidden;
  display:flex; flex-direction:column; box-shadow:var(--card-shadow);
  transition:border-color .45s var(--ease), transform .45s var(--ease), background .45s var(--ease);
}
.card[data-marker="chimera"]{ --c:var(--violet); }
.card[data-marker="vector"]{ --c:var(--amber); }
.card[data-marker="phenotype"]{ --c:var(--green); }
.card[data-marker="crispr"]{ --c:var(--rose); }
.card::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%), color-mix(in srgb, var(--c) var(--card-glow), transparent), transparent 65%);
  transition:opacity .4s var(--ease);
}
.card:hover{ border-color:color-mix(in srgb, var(--c) 42%, transparent); transform:translateY(-4px); background:var(--bg-3); }
.card:hover::after{ opacity:1; }
.card__rail{
  position:absolute; left:0; top:0; bottom:0; width:2px;
  background:linear-gradient(180deg,transparent,var(--c),transparent);
  opacity:.35; transition:opacity .4s var(--ease);
}
.card:hover .card__rail{ opacity:1; }
.card__head{
  display:flex; justify-content:space-between; align-items:center; gap:14px;
  font-family:var(--ff-mono); font-size:10.5px; letter-spacing:.2em;
  text-transform:uppercase; margin-bottom:22px;
}
.card__num{ color:var(--c); }
.card__analogy{ color:var(--ink-3); }
.card__title{
  font-size:clamp(24px,2.5vw,32px); letter-spacing:-.024em; font-weight:500;
  margin:0 0 4px;
}
.card__sub{ margin:0 0 18px; font-size:14px; color:var(--c); opacity:.85; letter-spacing:-.004em; }
.card__body{ margin:0 0 22px; color:var(--ink-2); font-size:15.2px; }
.card__meta{ display:flex; flex-wrap:wrap; gap:7px; margin-bottom:22px; }
.chip{
  font-family:var(--ff-mono); font-size:10.5px; letter-spacing:.08em;
  padding:5px 10px; border-radius:100px; border:1px solid var(--line);
  color:var(--ink-3); text-transform:uppercase;
}
.card__out{
  display:flex; align-items:baseline; gap:10px; padding:14px 0;
  border-top:1px solid var(--line); margin-bottom:20px; margin-top:auto;
}
.card__out-label{
  font-family:var(--ff-mono); font-size:10px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--ink-3);
}
.card__out-value{ font-size:15px; font-weight:600; color:var(--c); letter-spacing:-.008em; }

.code{
  margin:0; padding:16px 18px; border-radius:10px; background:var(--code-bg);
  border:1px solid var(--line); overflow-x:auto;
  font-family:var(--ff-mono); font-size:12px; line-height:1.75; color:var(--code-ink);
  letter-spacing:0;
}
.code code{ font:inherit; }
.c-p{ color:var(--c); }
.c-k{ color:var(--c-k); }
.c-s{ color:var(--c-s); }
.c-n{ color:var(--c-n); }

.suite__foot{
  margin:clamp(40px,5vw,64px) 0 0; text-align:center;
  font-size:clamp(19px,2.4vw,30px); letter-spacing:-.02em; line-height:1.35;
  color:var(--ink-2);
}

/* ---------- pipeline ---------- */
.pipeline{ background:var(--bg-2); border-block:1px solid var(--line); }
.steps{ position:relative; padding-left:clamp(28px,5vw,72px); }
.steps__thread{
  position:absolute; left:clamp(6px,1.6vw,22px); top:8px; bottom:8px;
  width:4px; height:calc(100% - 16px); color:var(--cyan); opacity:.55;
}
.step{
  display:flex; gap:clamp(18px,3vw,44px); align-items:flex-start;
  padding-block:clamp(26px,3.4vw,44px); border-bottom:1px solid var(--line);
}
.step:last-child{ border-bottom:0; }
.step__idx{
  font-family:var(--ff-mono); font-size:12px; letter-spacing:.16em;
  color:var(--ink-3); padding-top:8px; min-width:34px;
}
.step__body{ max-width:62ch; }
.step__body h3{
  font-size:clamp(22px,2.6vw,32px); margin:0 0 10px; font-weight:500; letter-spacing:-.022em;
}
.step__body p{ margin:0 0 14px; color:var(--ink-2); }
.step__code{
  display:inline-block; font-family:var(--ff-mono); font-size:12px;
  padding:6px 11px; border-radius:7px; background:var(--code-bg);
  border:1px solid var(--line); color:var(--cyan);
}

/* ---------- numbers ---------- */
.numbers__grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:clamp(28px,4vw,48px);
}
.bignum b{
  display:flex; align-items:baseline; gap:2px;
  font-size:clamp(44px,6vw,80px); font-weight:500; letter-spacing:-.034em;
  line-height:1; margin-bottom:14px;
  background:var(--big-grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.bignum b i{ font-style:normal; font-size:.36em; -webkit-text-fill-color:var(--cyan); }
.bignum p{ margin:0; color:var(--ink-2); font-size:14.5px; max-width:32ch; }
.numbers__note{ margin-top:clamp(34px,4vw,54px); font-size:12.5px; color:var(--ink-3); font-family:var(--ff-mono); }

/* ---------- access / form ---------- */
.access{
  background:
    radial-gradient(90% 70% at 15% 0%, rgba(var(--violet-rgb),.07), transparent 60%),
    radial-gradient(80% 70% at 85% 100%, rgba(var(--accent-rgb),.07), transparent 60%),
    var(--bg);
  border-top:1px solid var(--line);
}
.access__layout{
  display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(36px,5vw,80px); align-items:start;
}
.access__copy{ position:sticky; top:110px; }
.access__list{ list-style:none; padding:0; margin:26px 0 0; }
.access__list li{
  display:flex; gap:12px; align-items:flex-start; padding:11px 0;
  border-bottom:1px solid var(--line); color:var(--ink-2); font-size:15px;
}
.access__list span{ color:var(--cyan); font-size:12px; padding-top:4px; }
.access__reply{ margin-top:22px; font-family:var(--ff-mono); font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); }

.access__formwrap{ position:relative; }
.form{
  border:1px solid var(--line); border-radius:var(--radius);
  background:var(--panel-bg); backdrop-filter:blur(10px);
  padding:clamp(24px,3vw,40px);
}
.form__grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:7px; min-width:0; border:0; padding:0; margin:0; }
.field--full{ grid-column:1 / -1; }
.field label, .field legend{
  font-size:12.5px; font-weight:500; color:var(--ink-2); letter-spacing:.01em; padding:0;
}
.hint{ color:var(--ink-3); font-weight:400; }
.req{ color:var(--cyan); }

.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%; padding:12px 14px; border-radius:10px;
  border:1px solid var(--line); background:var(--input-bg); color:var(--ink);
  font-family:inherit; font-size:15px; letter-spacing:-.004em;
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  appearance:none;
}
.field textarea{ resize:vertical; min-height:104px; line-height:1.55; }
.field select{
  background-image:var(--select-caret);
  background-repeat:no-repeat; background-position:right 14px center; padding-right:36px;
  cursor:pointer;
}
.field select option{ background:var(--input-bg); color:var(--ink); }
.field input::placeholder, .field textarea::placeholder{ color:var(--placeholder); }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:rgba(var(--accent-rgb),.55);
  box-shadow:0 0 0 3px rgba(var(--accent-rgb),.12);
}
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea{
  border-color:rgba(var(--rose-rgb),.6);
}
.field.is-invalid .check span{ color:var(--rose); }
.err{ font-size:12px; color:var(--rose); min-height:0; display:none; }
.field.is-invalid .err{ display:block; }

.checks{ display:flex; flex-wrap:wrap; gap:8px; margin-top:2px; }
.check{
  display:inline-flex; align-items:center; gap:9px; cursor:pointer;
  padding:9px 14px; border:1px solid var(--line-strong); border-radius:100px;
  font-size:13.5px; color:var(--ink-2); transition:border-color .25s var(--ease), color .25s, background .25s;
  user-select:none;
}
.check input{
  appearance:none; width:14px; height:14px; border-radius:4px; margin:0;
  border:1px solid var(--line-strong); background:transparent; cursor:pointer;
  display:grid; place-content:center; transition:background .2s, border-color .2s;
  flex:0 0 auto;
}
.check input::after{
  content:""; width:7px; height:7px; border-radius:1.5px; transform:scale(0);
  background:var(--on-grad); transition:transform .18s var(--ease);
}
.check input:checked{ background:var(--cyan); border-color:var(--cyan); }
.check input:checked::after{ transform:scale(1); }
.check:has(input:checked){ color:var(--ink); border-color:rgba(var(--accent-rgb),.45); background:rgba(var(--accent-rgb),.06); }
.check--consent{
  border:0; padding:0; border-radius:0; align-items:flex-start; font-size:13.5px;
  line-height:1.5;
}
.check--consent:has(input:checked){ background:transparent; }

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

#submitBtn{ margin-top:22px; }
.btn__spinner{
  width:15px; height:15px; border-radius:50%; display:none; flex:0 0 auto;
  border:2px solid color-mix(in srgb, var(--on-grad) 28%, transparent); border-top-color:var(--on-grad);
  animation:spin .7s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg) } }
.form.is-sending #submitBtn{ pointer-events:none; opacity:.75; }
.form.is-sending .btn__spinner{ display:block; }

.form__legal{ margin:16px 0 0; font-size:12px; color:var(--ink-3); line-height:1.5; }
.form__status{ margin:12px 0 0; font-size:13px; color:var(--rose); min-height:0; }
.form__status:empty{ margin:0; }

.form__success{
  border:1px solid rgba(var(--accent-rgb),.32); border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(var(--accent-rgb),.07),var(--panel-bg));
  padding:clamp(34px,4vw,56px); text-align:center;
}
.form__success-mark{
  width:56px; height:56px; margin:0 auto 20px; color:var(--cyan);
  border:1px solid rgba(var(--accent-rgb),.4); border-radius:50%; padding:12px;
  background:rgba(var(--accent-rgb),.08);
}
.form__success-mark svg path{
  stroke-dasharray:44; stroke-dashoffset:44; animation:draw .6s .1s var(--ease) forwards;
}
@keyframes draw{ to{ stroke-dashoffset:0 } }
.form__success h3{ font-size:clamp(22px,2.6vw,30px); margin:0 0 10px; font-weight:500; letter-spacing:-.02em; }
.form__success p{ margin:0 0 24px; color:var(--ink-2); font-size:15px; }
.form__success a{ color:var(--cyan); text-decoration:underline; text-underline-offset:3px; }

/* ---------- 404 ---------- */
.notfound{
  min-height:100svh; display:grid; place-items:center; text-align:center;
  padding:100px var(--pad) 80px; position:relative; z-index:2;
}
.notfound__inner{ max-width:56ch; }
.notfound__code{
  font-family:var(--ff-mono); font-size:11.5px; letter-spacing:.24em;
  text-transform:uppercase; color:var(--ink-3); margin:0 0 22px;
}
.notfound h1{
  font-size:clamp(38px,6vw,76px); line-height:1.02; letter-spacing:-.028em;
  font-weight:500; margin:0 0 22px;
}
.notfound p{ color:var(--ink-2); font-size:clamp(16px,1.4vw,19px); margin:0 0 34px; }
.notfound__strand{
  font-family:var(--ff-mono); font-size:11px; letter-spacing:.3em;
  color:var(--ink-3); opacity:.45; margin-top:44px;
}

/* ---------- footer ---------- */
.footer{ border-top:1px solid var(--line); background:var(--bg-2); padding-block:clamp(48px,6vw,80px) 28px; position:relative; z-index:2; }
.footer__inner{
  display:grid; grid-template-columns:2fr 1fr 1fr; gap:clamp(28px,4vw,60px);
  padding-bottom:40px; border-bottom:1px solid var(--line);
}
.footer__brand p{ margin:16px 0 0; color:var(--ink-3); font-size:14px; max-width:34ch; }
.footer__col{ display:flex; flex-direction:column; gap:9px; }
.footer__col h4{
  margin:0 0 8px; font-family:var(--ff-mono); font-size:10.5px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--ink-3); font-weight:400;
}
.footer__col a{ font-size:14px; color:var(--ink-2); transition:color .25s var(--ease); width:fit-content; }
.footer__col a:hover{ color:var(--cyan); }
.footer__base{
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap;
  padding-top:22px; font-size:12.5px; color:var(--ink-3);
}
.footer__seq{ font-family:var(--ff-mono); letter-spacing:.24em; opacity:.5; }
.footer__version{ font-family:var(--ff-mono); letter-spacing:.08em; opacity:.55; }

/* ---------- reveal (pre-GSAP + no-js safe) ---------- */
.js [data-reveal]{ opacity:0; transform:translateY(22px); }
.no-js [data-reveal]{ opacity:1; transform:none; }

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .helix__layout{ grid-template-columns:1fr; }
  .helix__viz{ position:static; }
  .viz-frame{ max-width:520px; }
  .access__layout{ grid-template-columns:1fr; }
  .access__copy{ position:static; }
  .cards{ grid-template-columns:1fr; }
}
@media (max-width:800px){
  .nav__links, .nav__cta{ display:none; }
  .theme-toggle{ margin-left:auto; margin-right:10px; }
  .nav__toggle{ display:flex; }
  /* :not([hidden]) matters — a bare display:flex here would beat the
     hidden attribute and pin the menu open */
  .nav__mobile:not([hidden]){ display:flex; }
  .nav.is-open{ background:rgba(var(--bg-rgb),.96); }
  .footer__inner{ grid-template-columns:1fr 1fr; }
  .footer__brand{ grid-column:1 / -1; }
  .hero__stats{ grid-template-columns:repeat(2,1fr); gap:24px 16px; }
  .statement{ max-width:none; }
}
@media (max-width:620px){
  .form__grid{ grid-template-columns:1fr; }
  .hero{ min-height:auto; padding-block:120px 70px; }
  .cursor{ display:none; }
  .specs li{ flex-direction:column; gap:4px; }
  .specs b{ text-align:left; }
  .step{ flex-direction:column; gap:10px; }
  .footer__inner{ grid-template-columns:1fr; }
}

/* ---------- 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;
  }
  .js [data-reveal]{ opacity:1 !important; transform:none !important; }
  .grain, .hero__scrollcue{ display:none; }
  .marquee__track{ animation:none; }
}
