/* ============================================================
   TLW BUILDS — shared design system (v7 "helios pass", 2026-07-12)
   Layout DNA modeled on theheliosai.com per Trey's directive:
   light-first pages, generous 96-100px section rhythm, centered
   section heads under pill badges, radius-14 CTAs, white cards,
   thick-bezel frame cards around dark "screens", alternating
   2-col feature rows with tick lists, gradient banner/CTA bands,
   3-column footer. Brand stays tlw_: Sora/Inter/Inconsolata,
   navy #0b1120 · amber #ff9f1c · cyan #37d0c0.
   Copy is v6 (approved) — this file is formatting only.
   ============================================================ */

:root{
  --bg:#f7f9fd; --bg-2:#eef2f9; --card:#ffffff;
  --navy:#0b1120; --navy-2:#101a30; --navy-3:#15203a;
  --ink:#0b1120; --ink-2:#25324b; --ink-sub:#4e5f7a; --ink-faint:#7c8aa4;
  --hair:rgba(11,17,32,.08); --hair-strong:rgba(11,17,32,.16);
  --amber:#ff9f1c; --amber-dk:#e58d0e; --amber-ink:#b76a00;
  --cyan:#37d0c0; --cyan-ink:#12977f;
  --sub:#9fb0c9; --sub-dk:#7d90ab;            /* on-dark grays */
  --mono:"Inconsolata","SF Mono","Menlo",monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --disp:"Sora","Inter",-apple-system,sans-serif;
  --r:18px; --r-lg:26px;
  --shadow-card:0 14px 40px -22px rgba(11,17,32,.22);
  --shadow-card-hover:0 24px 54px -24px rgba(11,17,32,.3);
  --shadow-frame:0 40px 90px -34px rgba(11,17,32,.38);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink-2);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
::selection{background:rgba(255,159,28,.35)}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--disp);line-height:1.08;letter-spacing:-.025em;text-wrap:balance;color:var(--ink)}

/* faint grid backdrop, hero only (helios signature) */
.gridbg{position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(11,17,32,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(11,17,32,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(900px 560px at 62% 34%,#000 25%,transparent 78%);
  mask-image:radial-gradient(900px 560px at 62% 34%,#000 25%,transparent 78%)}
.orb{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;will-change:transform;z-index:0}
.orb.a{width:520px;height:520px;right:-8%;top:-22%;background:radial-gradient(circle,rgba(55,208,192,.14),transparent 65%);animation:drift1 26s ease-in-out infinite alternate}
.orb.b{width:600px;height:600px;left:-14%;bottom:-46%;background:radial-gradient(circle,rgba(255,159,28,.12),transparent 65%);animation:drift2 32s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(-60px,50px) scale(1.12)}}
@keyframes drift2{to{transform:translate(70px,-40px) scale(1.08)}}

/* the mark */
.mark{font-family:var(--mono);font-weight:800;color:var(--amber-dk);letter-spacing:-.02em}
.mark .cur{display:inline-block;animation:blink 1.15s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- nav (light glass) ---------- */
header{position:sticky;top:0;z-index:40;background:rgba(247,249,253,.8);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
header.scrolled{border-bottom-color:var(--hair);box-shadow:0 8px 30px -22px rgba(11,17,32,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;max-width:1220px;margin:0 auto;padding:15px 24px}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.logo .mark{font-size:1.4rem}
.logo b{font-family:var(--disp);font-weight:800;font-size:.98rem;letter-spacing:.16em;color:var(--ink)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{text-decoration:none;font-weight:500;font-size:.92rem;color:var(--ink-sub);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.btn,.nav-links a.btn:hover{color:var(--navy)}
.nav .btn{padding:10px 20px;font-size:.88rem}

/* ---------- buttons (helios: rounded-rect, weighty) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--amber);color:var(--navy);
  text-decoration:none;font-weight:700;padding:16px 32px;border-radius:14px;font-size:1rem;border:0;cursor:pointer;
  will-change:transform;box-shadow:0 14px 34px -12px rgba(255,159,28,.55);transition:background .2s,box-shadow .2s}
.btn:hover{background:var(--amber-dk);box-shadow:0 20px 44px -12px rgba(255,159,28,.6)}
.btn:active{transform:scale(.97)}
.btn:focus-visible{outline:2px solid var(--cyan-ink);outline-offset:3px}
.btn .arr{font-family:var(--mono);font-weight:800;transition:transform .25s}
.btn:hover .arr{transform:translateX(3px)}
.btn.ghost{background:var(--card);color:var(--ink);border:1px solid var(--hair-strong);box-shadow:var(--shadow-card)}
.btn.ghost:hover{background:#fff;border-color:rgba(11,17,32,.3);box-shadow:var(--shadow-card-hover)}
.btn.on-dark{box-shadow:0 14px 34px -10px rgba(255,159,28,.4)}
.btn.ghost.on-dark{background:transparent;color:#e8eef8;border:1.5px solid rgba(255,255,255,.28);box-shadow:none}
.btn.ghost.on-dark:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.5)}

/* ---------- pill badges (helios signature) ---------- */
.pill{display:inline-flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--hair);
  border-radius:99px;padding:9px 18px;font-family:var(--mono);font-weight:700;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--amber-ink);box-shadow:0 6px 20px -12px rgba(11,17,32,.2)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan-ink);flex:none}
.pill.on-dark{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);color:var(--amber);box-shadow:none}

/* ---------- sections ---------- */
.sec{padding:100px 0;position:relative}
.sec.alt{background:var(--bg-2)}
.sec.dark{background:linear-gradient(180deg,var(--navy),var(--navy-2) 55%,var(--navy));color:var(--sub)}
.sec.dark h2,.sec.dark h3{color:#fff}
.sec-head{text-align:center;max-width:780px;margin:0 auto 60px}
.sec-head .pill{margin-bottom:26px}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:800}
.sec-head h2 em{font-style:normal;color:var(--amber-dk)}
.sec.dark .sec-head h2 em{color:var(--amber)}
.sec-head .sub{color:var(--ink-sub);max-width:64ch;margin:20px auto 0;font-size:1.13rem;font-weight:400}
.sec-head .sub b{color:var(--ink);font-weight:600}
.sec.dark .sec-head .sub{color:var(--sub)}
.sec.dark .sec-head .sub b{color:#fff}
.sec-head.left{text-align:left;margin-left:0}
.sec-head.left .sub{margin-left:0}

/* ---------- hero (helios split) ---------- */
.hero{position:relative;padding:96px 0 104px;overflow:hidden}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center;z-index:1}
.hero h1{font-size:clamp(2.6rem,4.9vw,4.1rem);font-weight:800;margin:24px 0 0;line-height:1.06}
.hero h1 em{font-style:normal;color:var(--amber-dk);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.04em;height:.09em;background:var(--amber);
  opacity:.45;border-radius:99px;transform:scaleX(0);transform-origin:left;transition:transform .9s cubic-bezier(.16,1,.3,1)}
.hero h1 em.u::after{transform:scaleX(1)}
.hero .lede{font-size:clamp(1.08rem,1.9vw,1.24rem);color:var(--ink-sub);max-width:52ch;margin:26px 0 38px;font-weight:400}
.hero .lede b{color:var(--ink);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-proof{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:34px;font-family:var(--mono);font-weight:700;
  font-size:.8rem;letter-spacing:.05em;color:var(--ink-faint)}
.hero-proof span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.hero-proof i{width:7px;height:7px;border-radius:50%;background:var(--cyan-ink);flex:none}

/* ---------- frame card (helios device bezel) ---------- */
.frame-card{background:var(--card);border:1px solid var(--hair);border-radius:var(--r-lg);padding:10px;
  box-shadow:var(--shadow-frame);will-change:transform}
.frame-card>.screen{border-radius:calc(var(--r-lg) - 9px);overflow:hidden}
.frame-cap{font-family:var(--mono);font-weight:500;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-faint);text-align:right;margin-top:12px}

/* ---------- dark terminal (lives inside a frame card) ---------- */
.term{background:linear-gradient(160deg,#0d1528,#0a1020 70%)}
.term-bar{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.03)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.14)}
.term-bar span{font-family:var(--mono);font-size:.76rem;color:var(--sub-dk);margin-left:8px}
.term-body{font-family:var(--mono);font-weight:500;font-size:.92rem;padding:22px 22px 26px;min-height:15.5em;line-height:2.05;color:var(--sub)}
.term-body .q{color:#fff}
.term-body .q::before{content:"> ";color:var(--amber)}
.term-body .a{color:var(--cyan)}
.term-body .tcur{display:inline-block;width:.55em;height:1.05em;background:var(--amber);vertical-align:-.18em;animation:blink 1s steps(1) infinite}

/* ---------- stat cards (helios) ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--card);border:1px solid var(--hair);border-radius:var(--r);padding:28px 26px;
  box-shadow:var(--shadow-card);transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.stat b{display:block;font-family:var(--disp);font-weight:800;font-size:2.3rem;letter-spacing:-.03em;color:var(--amber-dk)}
.stat b.cy{color:var(--cyan-ink)}
.stat i{display:block;font-style:normal;font-weight:700;font-size:1.02rem;color:var(--ink);margin-top:10px}
.stat span{display:block;color:var(--ink-sub);font-size:.92rem;margin-top:6px;line-height:1.5}

/* icon chip */
.chip{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;
  background:rgba(255,159,28,.14);color:var(--amber-ink);font-family:var(--mono);font-weight:800;font-size:1.05rem}
.chip.cyan{background:rgba(55,208,192,.16);color:var(--cyan-ink)}
.chip.navy{background:rgba(11,17,32,.08);color:var(--ink)}

/* ---------- feature rows (helios alternating 2-col) ---------- */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,84px);align-items:center;padding:54px 0}
.feat .copy .chip{margin-bottom:22px}
.feat h2,.feat h3.big{font-family:var(--disp);font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:800;letter-spacing:-.025em;color:var(--ink)}
.feat .copy>p{color:var(--ink-sub);font-size:1.06rem;margin-top:16px;max-width:56ch}
.feat .copy>p b{color:var(--ink);font-weight:600}
.ticks{list-style:none;margin-top:24px;display:grid;gap:13px}
.ticks li{display:flex;align-items:flex-start;gap:12px;font-weight:600;color:var(--ink);font-size:.99rem}
.ticks li small{display:block;font-weight:400;color:var(--ink-sub);font-size:.92rem;margin-top:2px}
.ticks .tk{flex:none;width:23px;height:23px;border-radius:50%;background:rgba(18,151,127,.13);color:var(--cyan-ink);
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;margin-top:1px}

/* ---------- generic white cards grid ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--hair);border-radius:var(--r);padding:30px 28px;
  box-shadow:var(--shadow-card);transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;gap:10px}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--hair-strong)}
.card h3{font-size:1.14rem;font-weight:700;color:var(--ink)}
.card p{color:var(--ink-sub);font-size:.96rem;flex:1}
.card p b{color:var(--ink);font-weight:600}
.card .tag{font-family:var(--mono);font-weight:800;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber-ink)}
a.card{text-decoration:none}
.card .go{font-family:var(--mono);font-weight:700;font-size:.9rem;color:var(--cyan-ink)}

/* ---------- banner card (helios mid-page gradient band) ---------- */
.banner{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy),var(--navy-3) 80%);
  border-radius:var(--r-lg);padding:clamp(36px,5vw,56px);color:var(--sub);box-shadow:var(--shadow-frame)}
.banner::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 300px at 88% 0%,rgba(255,159,28,.14),transparent 65%)}
.banner>*{position:relative}
.banner .grid{display:grid;grid-template-columns:1.4fr .6fr;gap:36px;align-items:center}
.banner h2,.banner h3{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;letter-spacing:-.025em}
.banner p{margin-top:14px;font-size:1.04rem;max-width:58ch}
.banner p b{color:#fff;font-weight:600}
.banner .pills{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.banner .cta-side{display:flex;justify-content:flex-end}

/* ---------- marquee strip ---------- */
.strip{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:16px 0;overflow:hidden;background:var(--card)}
.strip-track{display:flex;width:max-content;animation:slide 46s linear infinite}
.strip:hover .strip-track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.strip span{font-family:var(--mono);font-weight:500;font-size:.84rem;color:var(--ink-faint);letter-spacing:.09em;white-space:nowrap;padding:0 26px}
.strip b{color:var(--amber-ink);font-weight:700}

/* ---------- contact / cta band + inline form ---------- */
.contact{padding:110px 0 100px;position:relative;overflow:hidden;background:var(--bg-2)}
.contact .sec-head{margin-bottom:44px}
.cform{max-width:640px;margin:0 auto;background:var(--card);border:1px solid var(--hair);border-radius:var(--r-lg);
  padding:clamp(26px,4vw,40px);box-shadow:var(--shadow-frame);text-align:left}
.cform label{display:block;font-weight:600;font-size:.92rem;color:var(--ink);margin:0 0 7px}
.cform .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cform .field{margin-bottom:18px}
.cform input,.cform textarea{width:100%;font-family:var(--sans);font-size:1rem;color:var(--ink);
  background:var(--bg);border:1px solid var(--hair-strong);border-radius:12px;padding:13px 15px;transition:border-color .2s,box-shadow .2s}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,159,28,.18)}
.cform textarea{resize:vertical;min-height:96px}
.cform .btn{width:100%;margin-top:4px}
.cform .fine{margin-top:16px;text-align:center;font-family:var(--mono);font-weight:500;font-size:.78rem;color:var(--ink-faint);letter-spacing:.04em}
.cform .fine a{color:var(--cyan-ink);font-weight:700;text-decoration:none}
.cform .fine a:hover{text-decoration:underline}
.contact .who{margin-top:30px;text-align:center;font-size:.9rem;color:var(--ink-faint);font-family:var(--mono);font-weight:500}

/* ---------- footer (helios 3-col, light) ---------- */
footer{border-top:1px solid var(--hair);padding:64px 0 0;background:var(--bg)}
.foot-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:44px;padding-bottom:52px}
.foot-brand p{color:var(--ink-sub);font-size:.95rem;max-width:30ch;margin-top:14px}
.foot-grid h4{font-family:var(--disp);font-weight:700;font-size:.98rem;color:var(--ink);margin-bottom:18px}
.foot-grid ul{list-style:none;display:grid;gap:12px}
.foot-grid ul a{color:var(--ink-sub);text-decoration:none;font-size:.94rem;transition:color .2s}
.foot-grid ul a:hover{color:var(--ink)}
.foot-grid ul a .arr{font-family:var(--mono);color:var(--amber-ink);margin-left:6px}
.foot-bar{border-top:1px solid var(--hair);padding:22px 0;display:flex;justify-content:space-between;
  align-items:center;gap:14px;flex-wrap:wrap;font-size:.85rem;color:var(--ink-faint)}
.foot-bar a{color:var(--ink-sub);text-decoration:none}
.foot-bar a:hover{color:var(--ink)}

/* ---------- responsive ---------- */
@media(max-width:940px){
  .nav-links a:not(.btn){display:none}
  .hero{padding:64px 0 72px}
  .hero .wrap{grid-template-columns:1fr;gap:44px}
  .sec{padding:72px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .feat{grid-template-columns:1fr;gap:36px;padding:40px 0}
  .feat.flip .visual{order:-1}
  .cards,.cards.three{grid-template-columns:1fr}
  .banner .grid{grid-template-columns:1fr}
  .banner .cta-side{justify-content:flex-start}
  .cform .row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:560px){
  .stats{grid-template-columns:1fr}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .mark .cur,.term-body .tcur{animation:none}
  .strip-track{animation:none}
  .orb.a,.orb.b{animation:none}
  .stat,.card,.btn .arr{transition:none}
}