/* =========================================================
   RAD Intelligence — site styles
   ========================================================= */
/* Self-hosted fonts (variable weight; no third-party requests) */
@font-face{font-family:"Sora";font-style:normal;font-weight:400 800;font-display:swap;src:url("../fonts/sora-var.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/inter-var.woff2") format("woff2")}

:root{
  --navy-950:#070d17;
  --navy-900:#0b1220;
  --navy-800:#101c30;
  --navy-700:#172640;
  --ink:#0f172a;
  --ink-2:#334155;
  --ink-3:#64748b;
  --line:#e2e8f0;
  --paper:#ffffff;
  --paper-2:#faf5e9;
  --sand:#faf5e9;
  --cyan:#22d3ee;
  --cyan-2:#0ea5e9;
  --cyan-deep:#0369a1;
  --amber:#f5b841;
  --amber-2:#e09b1a;
  --grad:linear-gradient(135deg,#5eeaff 0%,#0ea5e9 100%);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px -12px rgba(2,12,27,.25);
  --shadow-lg:0 30px 60px -20px rgba(2,12,27,.45);
  --font-head:"Sora","Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container:1180px;
  --nav-h:74px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{font-family:var(--font-head);line-height:1.15;letter-spacing:-.01em;color:inherit}
h1{font-size:clamp(2.4rem,5.2vw,4.1rem);font-weight:800;letter-spacing:-.025em}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;letter-spacing:-.02em}
h3{font-size:1.25rem;font-weight:600}
.container{width:min(var(--container),calc(100% - 2.5rem));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--ink);padding:.5rem 1rem;z-index:1000}
.skip:focus{left:1rem;top:1rem}

/* ---------- wave separators ---------- */
.sep{position:absolute;top:-1px;left:0;width:100%;height:clamp(34px,5vw,70px);display:block;pointer-events:none;z-index:1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;border-radius:999px;padding:.8rem 1.4rem;border:1.5px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;cursor:pointer;line-height:1;white-space:nowrap}
.btn--lg{padding:1rem 1.7rem;font-size:1rem}
.btn--sm{padding:.6rem 1.05rem;font-size:.9rem}
.btn--primary{background:var(--grad);color:#04121c;box-shadow:0 8px 24px -8px rgba(14,165,233,.7)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(14,165,233,.85)}
.btn--ghost{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6)}

/* ---------- eyebrow / labels ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-head);font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:#9ee6f7;margin-bottom:1.1rem}
.eyebrow--dark{color:var(--cyan-deep)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(245,184,65,.22)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);display:flex;align-items:center;transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;color:#fff}
.nav.is-scrolled{background:rgba(7,13,23,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.06),0 10px 30px -20px rgba(0,0,0,.6)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:2rem}
.brand{display:inline-flex;align-items:center}
.brand__lockup{height:46px;width:auto;flex:none;filter:drop-shadow(0 2px 6px rgba(2,12,27,.35))}
.nav__links{display:flex;align-items:center;gap:1.75rem;font-family:var(--font-head);font-weight:500;font-size:.95rem}
.nav__links a:not(.btn){position:relative;opacity:.86;transition:opacity .2s}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px}
.nav__links a:not(.btn):hover{opacity:1}
.nav__links a:not(.btn):hover::after,.nav__links a.is-active::after{transform:scaleX(1)}
.nav__cta{margin-left:.5rem}
.nav__toggle{display:none;background:none;border:0;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;align-items:center;cursor:pointer}
.nav__toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-950);padding:calc(var(--nav-h) + 4rem) 0 6rem}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04);animation:heroZoom 18s ease-out forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__veil{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(7,13,23,.92) 0%,rgba(7,13,23,.78) 38%,rgba(7,13,23,.28) 70%,rgba(7,13,23,.15) 100%),
  linear-gradient(180deg,rgba(7,13,23,.35) 0%,rgba(7,13,23,0) 30%,rgba(7,13,23,.55) 100%)}
.hero__inner{position:relative;z-index:1}
.hero__copy{max-width:680px}
.hero h1{margin-bottom:1.25rem;text-wrap:balance}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:1.15rem;color:rgba(255,255,255,.82);max-width:600px;margin-bottom:2rem;text-wrap:pretty}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:3rem}
.hero__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:720px;border-top:1px solid rgba(255,255,255,.14);padding-top:1.5rem}
.hero__facts li{display:flex;flex-direction:column;gap:.15rem}
.hero__facts strong{font-family:var(--font-head);font-weight:600;font-size:.98rem}
.hero__facts span{font-size:.85rem;color:rgba(255,255,255,.62)}
.hero__motif{overflow:visible;position:absolute;right:2vw;bottom:6vh;width:min(46vw,680px);height:auto;pointer-events:none;z-index:0;mask-image:linear-gradient(90deg,transparent 0,#000 28%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 28%)}
.hero__scroll{position:absolute;left:50%;bottom:1.6rem;transform:translateX(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.35);border-radius:14px;z-index:1}
.hero__scroll span{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--amber);animation:scrollDot 1.8s ease-in-out infinite}
@keyframes scrollDot{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* ---------- trust strip ---------- */
.trust{background:var(--paper);border-bottom:1px solid var(--line);padding:2.4rem 0}
.trust__label{text-align:center;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-bottom:1.6rem}
.trust__logos{display:flex;justify-content:center;align-items:center;gap:clamp(2rem,6vw,5.5rem);flex-wrap:wrap}
.trust__logo img{height:44px;width:auto;max-width:220px;object-fit:contain;filter:grayscale(1) contrast(1.05);opacity:.7;transition:filter .3s,opacity .3s,transform .3s}
.trust__logo:hover img{filter:none;opacity:1;transform:translateY(-2px)}

/* ---------- sections ---------- */
.section{padding:clamp(4.5rem,9vw,7.5rem) 0;position:relative}
.section--alt{background:var(--sand)}
.section--dark{background:var(--navy-900);color:#fff}
.section__head{max-width:760px;margin-bottom:3.25rem}
.section__head .sub{margin-top:1rem;font-size:1.1rem;color:var(--ink-2);text-wrap:pretty}
.section__head--light .sub{color:rgba(255,255,255,.75)}
.grid{display:grid;gap:1.5rem}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- cards ---------- */
.card__tag{font-family:var(--font-head);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-deep);font-weight:700;margin-bottom:.45rem}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.9rem 1.7rem;position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{opacity:1}
.card__icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(94,234,255,.18),rgba(14,165,233,.12));display:grid;place-items:center;margin-bottom:1.25rem;border:1px solid rgba(14,165,233,.22)}
.card__icon svg{width:26px;height:26px;fill:none;stroke:var(--cyan-deep);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:.6rem}
.card p{color:var(--ink-2);font-size:.97rem;margin-bottom:1rem}
.ticks li{position:relative;padding-left:1.5rem;font-size:.93rem;color:var(--ink-2);margin:.35rem 0}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;border-left:2px solid var(--cyan-2);border-bottom:2px solid var(--cyan-2);transform:rotate(-45deg) translateY(-2px)}
.section--dark .ticks li{color:rgba(255,255,255,.8)}
.card{color:var(--ink)}
.section--dark .card .ticks li{color:var(--ink-2)}

/* ---------- case studies ---------- */
.case{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:calc(var(--radius) + 6px);overflow:hidden;box-shadow:var(--shadow);margin-bottom:2rem}
.case--flip .case__media{order:2}
.case__media{position:relative;height:100%;min-height:340px;min-width:0}
.case__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.case:hover .case__media img{transform:scale(1.03)}
.case__body{min-width:0;padding:clamp(1.6rem,3.5vw,3rem) clamp(1.4rem,3.5vw,3rem) clamp(1.6rem,3.5vw,3rem) 0}
.case--flip .case__body{padding-left:clamp(1.4rem,3.5vw,3rem);padding-right:0}
.case__tag{font-family:var(--font-head);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-deep);font-weight:600;margin-bottom:.6rem}
.case h3{font-size:1.5rem;margin-bottom:.8rem;letter-spacing:-.015em}
.case p{color:var(--ink-2);margin-bottom:1rem}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}
.chips span{font-size:.78rem;font-weight:600;font-family:var(--font-head);padding:.35rem .7rem;border-radius:999px;background:rgba(14,165,233,.09);color:var(--cyan-deep);border:1px solid rgba(14,165,233,.2)}
.chips--lg span{font-size:.85rem;padding:.45rem .85rem}

/* ---------- portal window (example conversation) over a case photo ---------- */
.case__media{background:var(--navy-900);min-height:540px}
.case__media>img{position:absolute;inset:0 0 auto 0;width:100%;height:60%;object-fit:cover;object-position:center 40%}
.case__media::after{content:"";position:absolute;left:0;right:0;top:38%;height:24%;background:linear-gradient(180deg,rgba(11,18,32,0),var(--navy-900));pointer-events:none}
.pw{position:absolute;left:1.1rem;right:1.1rem;bottom:1.1rem;z-index:1;background:rgba(15,23,42,.94);border:1px solid rgba(255,255,255,.14);border-radius:14px;box-shadow:0 24px 50px -20px rgba(0,0,0,.75);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;font-size:.83rem;line-height:1.45;overflow:hidden;text-align:left}
.pw__bar{display:flex;align-items:center;gap:.6rem;padding:.55rem .8rem;border-bottom:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);font-family:var(--font-head);font-weight:600;font-size:.78rem}
.pw__dots{display:inline-flex;gap:5px}
.pw__dots i{width:9px;height:9px;border-radius:50%;background:#ff5f57}
.pw__dots i:nth-child(2){background:#febc2e}
.pw__dots i:nth-child(3){background:#28c840}
.pw__live{margin-left:auto;font-weight:500;color:#34d399;font-size:.72rem;display:inline-flex;align-items:center;gap:.35rem}
.pw__live::before{content:"";width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 3px rgba(52,211,153,.25)}
.pw__body{padding:.8rem .8rem .85rem;display:grid;gap:.55rem}
.case .pw p{margin:0;color:inherit;font-size:inherit}
.pw__msg{margin:0}
.pw__msg--user{justify-self:end;max-width:88%;background:linear-gradient(135deg,rgba(94,234,255,.24),rgba(14,165,233,.22));border:1px solid rgba(94,234,255,.35);border-radius:14px 14px 4px 14px;padding:.55rem .75rem;color:#fff}
.pw__msg--ai{justify-self:start;max-width:92%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px 14px 14px 4px;padding:.55rem .75rem}
.pw__msg--ai p{margin:0;color:rgba(255,255,255,.9);font-size:inherit}
.pw__who{display:block;font-family:var(--font-head);font-weight:700;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:.2rem}
.case .pw__status,.pw__status{display:flex;gap:.45rem;align-items:flex-start;margin:0;font-size:.78rem;color:#a7f3d0;padding:.45rem .6rem;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.3);border-radius:10px}
.pw__status svg{width:15px;height:15px;flex:none;margin-top:.15rem;fill:none;stroke:#34d399;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.case .pw__status--shield{color:#bae6fd;background:rgba(14,165,233,.1);border-color:rgba(14,165,233,.35)}
.pw__status--shield svg{stroke:#5eeaff;stroke-width:1.8}
.pw__confirm{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.78rem;padding:.5rem .6rem;background:rgba(245,184,65,.1);border:1px solid rgba(245,184,65,.4);border-radius:10px}
.pw__confirm>span:first-child{flex:1 1 auto;color:#fde68a}
.pw__btn{font-family:var(--font-head);font-weight:600;font-size:.72rem;padding:.35rem .7rem;border-radius:999px;border:1px solid rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.06);white-space:nowrap}
.pw__btn--go{background:var(--grad);color:#04121c;border-color:transparent}

/* ---------- demo card (contact) ---------- */
.demo{display:flex;gap:1rem;align-items:flex-start;margin-top:1.6rem;padding:1.2rem 1.3rem;background:rgba(255,255,255,.05);border:1px solid rgba(94,234,255,.35);border-radius:var(--radius);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.demo>svg{width:34px;height:34px;flex:none;fill:none;stroke:var(--cyan);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.demo strong{display:block;font-family:var(--font-head);font-size:1.02rem;margin-bottom:.35rem}
.demo p{color:rgba(255,255,255,.75);font-size:.93rem;margin:0}

/* ---------- approach ---------- */
#approach{overflow:hidden}
.approach__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;mask-image:linear-gradient(180deg,rgba(0,0,0,.2),#000 40%,#000 70%,rgba(0,0,0,.3));-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.2),#000 40%,#000 70%,rgba(0,0,0,.3))}
.approach__bg--soft{opacity:.3}
/* The Idea: the beach portal is a vignette in the top-right corner, clear of the heading and the cards */
.how__portal{position:absolute;z-index:0;pointer-events:none;left:calc(50% - 500px);top:-83px;width:1327px;height:885px;background-size:100% 100%;background-repeat:no-repeat;opacity:.95;mask-image:radial-gradient(ellipse 50% 58% at 69.7% 46.9%,#000 34%,transparent 60%);-webkit-mask-image:radial-gradient(ellipse 50% 58% at 69.7% 46.9%,#000 34%,transparent 60%)}
#how .section__head{margin-bottom:5.5rem}
#how .flow__node{background:rgba(13,22,40,.78)}
#how .flow__node:hover{background:rgba(18,30,54,.86)}
#how .flow__node--hot{background:linear-gradient(160deg,rgba(94,234,255,.16),rgba(14,165,233,.08)),rgba(13,22,40,.78)}
#how .flow__rail{background:linear-gradient(0deg,rgba(245,184,65,.08),rgba(245,184,65,.08)),rgba(13,22,40,.78)}
#approach .container{position:relative}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem;counter-reset:step}
.step{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1.8rem 1.5rem 1.6rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .3s,background .3s,border-color .3s}
.step:hover{transform:translateY(-5px);background:rgba(255,255,255,.08);border-color:rgba(94,234,255,.4)}
.step__n{font-family:var(--font-head);font-weight:800;font-size:2.2rem;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:.35rem}
.step__surf{display:block;font-family:var(--font-head);font-weight:700;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:.6rem}
.step h3{margin-bottom:.5rem}
.step p{color:rgba(255,255,255,.75);font-size:.95rem}
.step:not(:last-child)::after{content:"";position:absolute;top:2.6rem;right:-1.25rem;width:1.25rem;height:1px;background:linear-gradient(90deg,rgba(94,234,255,.6),rgba(94,234,255,0))}

/* ---------- approach keybox ---------- */
.keybox{margin-top:2rem;display:flex;gap:1rem;align-items:flex-start;background:rgba(245,184,65,.1);border:1px solid rgba(245,184,65,.4);border-radius:var(--radius);padding:1.3rem 1.5rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.keybox svg{width:30px;height:30px;flex:none;fill:none;stroke:var(--amber);stroke-width:1.8;stroke-linejoin:round}
.keybox p{color:rgba(255,255,255,.85);font-size:1rem;margin:0}
.keybox strong{color:#fff}

/* ---------- capabilities ---------- */
.caps{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.caps .sub{margin:1rem 0 1.8rem;font-size:1.08rem;color:var(--ink-2)}
.caps__groups{display:grid;gap:1.3rem}
.caps__groups h4{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.55rem;font-weight:600}
.stack{position:relative;aspect-ratio:1/1.05;max-width:520px;margin-left:auto}
.stack img{position:absolute;border-radius:var(--radius);box-shadow:var(--shadow-lg);object-fit:cover}
.stack__a{width:78%;aspect-ratio:1;top:0;left:0;z-index:1}
.stack__b{width:64%;aspect-ratio:1;bottom:0;right:0;z-index:2;border:6px solid var(--paper)}
.stack::before{content:"";position:absolute;inset:auto -6% -6% auto;width:58%;height:58%;border-radius:var(--radius);background:linear-gradient(135deg,rgba(94,234,255,.25),rgba(245,184,65,.22));z-index:0}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.about__media{position:relative}
.about__media img{border-radius:calc(var(--radius) + 4px);box-shadow:var(--shadow-lg);aspect-ratio:4/3.3;object-fit:cover;width:100%}
.about__badge{position:absolute;left:1.25rem;bottom:1.25rem;display:flex;align-items:center;gap:.8rem;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-radius:14px;padding:.85rem 1.1rem;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.7)}
.about__badge svg{width:34px;height:34px;fill:none;stroke:var(--cyan-deep);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.about__badge strong{display:block;font-family:var(--font-head);font-size:.95rem;font-weight:700}
.about__badge span{font-size:.8rem;color:var(--ink-3)}
.about__copy h2{margin-bottom:1.1rem}
.about__copy p{color:var(--ink-2);margin-bottom:1rem;font-size:1.02rem}
.about__tease{font-family:var(--font-head);font-weight:600;color:var(--ink);background:rgba(245,184,65,.16);border:1px dashed var(--amber-2);border-radius:12px;padding:.8rem 1.05rem;display:inline-block}
.about__tease a{color:var(--cyan-deep);text-decoration:underline;text-underline-offset:3px}
.about__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.75rem;padding-top:1.5rem;border-top:1px solid var(--line)}
.about__facts strong{display:block;font-family:var(--font-head);font-weight:700;font-size:.98rem;color:var(--ink)}
.about__facts span{font-size:.85rem;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1.5rem;align-items:start}
.faq__item{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden;transition:border-color .3s}
.faq__item[open]{border-color:rgba(14,165,233,.45)}
.faq__item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.05rem 1.25rem;font-family:var(--font-head);font-weight:600;font-size:1.02rem;color:var(--ink)}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--cyan-2);border-bottom:2px solid var(--cyan-2);transform:rotate(45deg) translate(-2px,-2px);transition:transform .25s}
.faq__item[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
.faq__item summary:focus-visible{outline:2px solid var(--cyan-2);outline-offset:-2px}
.faq__item p{padding:0 1.25rem 1.2rem;color:var(--ink-2);font-size:.97rem}

/* ---------- contact ---------- */
.contact{background:var(--navy-950)}
.contact::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(1200px 600px at 85% 10%,rgba(14,165,233,.22),transparent 60%),radial-gradient(800px 500px at 10% 100%,rgba(245,184,65,.16),transparent 60%),linear-gradient(180deg,rgba(7,13,23,.25),rgba(7,13,23,.2))}
.contact__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.contact .sub{margin:1rem 0 1.8rem;font-size:1.08rem;color:rgba(255,255,255,.75)}
.contact__meta{margin-top:1.4rem;font-size:.9rem;color:rgba(255,255,255,.55)}
.contact__form{display:grid;grid-template-columns:1fr 1fr;gap:1rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:calc(var(--radius) + 4px);padding:1.75rem;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.field{display:flex;flex-direction:column;gap:.4rem}
.field--full{grid-column:1/-1}
.field--full .btn{align-self:flex-start}
.field label{font-size:.82rem;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.7)}
.field input,.field select,.field textarea{font:inherit;font-size:.95rem;color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:.75rem .9rem;outline:none;transition:border-color .2s,box-shadow .2s;width:100%}
.field select option{color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.2)}
.field input.is-invalid,.field textarea.is-invalid{border-color:#fb7185;box-shadow:0 0 0 3px rgba(251,113,133,.2)}
.field textarea{resize:vertical;min-height:110px}
.form__hint{font-size:.8rem;color:rgba(255,255,255,.5);margin-top:.6rem}
.form__ok{grid-column:1/-1;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.4);border-radius:10px;padding:.8rem 1rem;font-size:.9rem;color:#c8f6ff}
.form__err{grid-column:1/-1;background:rgba(251,113,133,.12);border:1px solid rgba(251,113,133,.45);border-radius:10px;padding:.8rem 1rem;font-size:.9rem;color:#ffd7dd}
.form__err a{color:#fff;text-decoration:underline}
.hp{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.btn[disabled]{opacity:.7;cursor:wait;transform:none}

/* ---------- footer ---------- */
.footer{background:var(--navy-950);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);padding:3.5rem 0 2rem}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.08)}
.brand__lockup--footer{height:56px}
.footer__brand p{margin-top:.8rem;font-size:.92rem;max-width:340px}
.footer__col{display:flex;flex-direction:column;gap:.5rem;font-size:.92rem}
.footer__col h5{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.4rem}
.footer__col a:hover{color:#fff}
.footer__legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;padding-top:1.5rem;font-size:.8rem;color:rgba(255,255,255,.45)}

/* ---------- portal anatomy (flow) ---------- */
.flow{margin:0 0 3rem;position:relative}
.flow__row{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:.6rem;align-items:stretch}
.flow__node{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1.4rem 1.3rem 1.3rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .3s,background .3s,border-color .3s}
.flow__node:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);border-color:rgba(94,234,255,.4)}
.flow__node>svg{width:30px;height:30px;fill:none;stroke:var(--cyan);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:.8rem}
.flow__node h3{font-size:1.05rem;margin-bottom:.4rem}
.flow__node p{font-size:.9rem;color:rgba(255,255,255,.72)}
.flow__node--hot{background:linear-gradient(160deg,rgba(94,234,255,.16),rgba(14,165,233,.08));border-color:rgba(94,234,255,.45);box-shadow:0 0 0 1px rgba(94,234,255,.15),0 20px 40px -24px rgba(14,165,233,.8)}
.flow__node--hot>svg{stroke:var(--amber)}
.flow__arrow{display:grid;place-items:center;width:34px}
.flow__arrow svg{width:26px;height:26px;fill:none;stroke:rgba(94,234,255,.7);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.flow__rail{margin-top:.9rem;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.1rem;background:rgba(245,184,65,.08);border:1px solid rgba(245,184,65,.35);border-radius:var(--radius-sm);padding:.75rem 1.1rem;font-size:.85rem;color:rgba(255,255,255,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.flow__rail-label{font-family:var(--font-head);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-right:.3rem}
.flow__rail span:not(.flow__rail-label){position:relative;padding-left:.95rem}
.flow__rail span:not(.flow__rail-label)::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--amber)}

/* ---------- handoffs diagram ---------- */
.handoffs{margin:0 0 2.75rem}
.handoff{width:100%;height:auto;display:block;overflow:visible}
.handoff--tall{display:none;max-width:420px;margin-inline:auto}
.hd-ic{fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hd-lbl{font-family:var(--font-head);font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.hd-pill{font-family:var(--font-head);font-weight:700;font-size:13px}
.hd-t{font-family:var(--font-body);font-size:14.5px}
.hd-b{font-family:var(--font-head);font-weight:600;font-size:14.5px}
.hd-s{font-family:var(--font-body);font-size:12.5px;font-weight:500}

/* ---------- portal photos: place the ring where it can be seen ---------- */
#portals .section__bg--wave{inset:0 0 auto 0;height:min(100%,1100px);opacity:.85;background-repeat:no-repeat;background-size:auto 150%;background-position:9.5% 89%;mask-image:linear-gradient(180deg,rgba(0,0,0,.5),#000 22%,#000 58%,transparent);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),#000 22%,#000 58%,transparent)}
#contact{padding-bottom:calc(clamp(4.5rem,9vw,7.5rem) + 16rem)}
#contact .section__bg--horizon{opacity:.95;background-repeat:no-repeat;background-size:auto 150%;background-position:100% 0%;mask-image:linear-gradient(180deg,rgba(0,0,0,.65),#000 35%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.65),#000 35%)}

/* ---------- portal ring motif ---------- */
.ring{position:absolute;pointer-events:none;z-index:0;width:clamp(280px,36vw,560px);height:auto;opacity:.6;overflow:visible}
.ring__glow{fill:url(#pr-core)}
.ring__a{fill:none;stroke:url(#pr-g);stroke-width:3;filter:drop-shadow(0 0 10px rgba(94,234,255,.85))}
.ring__b{fill:none;stroke:url(#pr-g);stroke-width:1.3;stroke-dasharray:2 10;opacity:.85}
.ring__c{fill:none;stroke:url(#pr-g);stroke-width:1;stroke-dasharray:40 14;opacity:.55}
.ring__dot{fill:var(--amber)}
.ring__spin{transform-origin:200px 200px;animation:ringSpin 70s linear infinite}
.ring__spin--rev{animation-duration:110s;animation-direction:reverse}
@keyframes ringSpin{to{transform:rotate(360deg)}}
.ring--tr{top:clamp(3rem,6vw,6rem);right:clamp(-220px,-12vw,-120px)}
.ring--tl{top:clamp(3rem,6vw,6rem);left:clamp(-220px,-12vw,-120px)}
.ring--br{bottom:-140px;right:clamp(-200px,-10vw,-100px)}
.ring--bl{bottom:-160px;left:clamp(-220px,-12vw,-120px)}
.ring--light{opacity:.5}
.ring--light .ring__a{stroke-width:2.5;filter:drop-shadow(0 0 8px rgba(14,165,233,.55))}
.hero__ring{filter:drop-shadow(0 0 10px rgba(94,234,255,.8))}
.hero__ringspin{transform-origin:562px 156px;animation:ringSpin 70s linear infinite}
.hero__ringspin--rev{animation-duration:110s;animation-direction:reverse}

/* ---------- section photo backgrounds ---------- */
.section--bg{overflow:hidden}
.section--bg>.container{position:relative;z-index:1}
.section__bg{position:absolute;inset:0;background-size:cover;background-position:center;pointer-events:none;z-index:0}
.section__bg--foam{opacity:.55;mask-image:linear-gradient(180deg,rgba(0,0,0,.35),#000 30%,#000 70%,rgba(0,0,0,.4));-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.35),#000 30%,#000 70%,rgba(0,0,0,.4))}
.section__bg--foam-b{opacity:.45;background-position:center 30%}
.section__bg--wave{opacity:.5;mask-image:linear-gradient(180deg,rgba(0,0,0,.2),#000 35%,#000 65%,rgba(0,0,0,.25));-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.2),#000 35%,#000 65%,rgba(0,0,0,.25))}
.section__bg--wave-b{opacity:.7;transform:scaleX(-1);background-position:center 60%;mask-image:linear-gradient(180deg,rgba(0,0,0,.35),#000 30%,#000 75%,rgba(0,0,0,.4));-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.35),#000 30%,#000 75%,rgba(0,0,0,.4))}
.section__bg--ripples{opacity:.5;mask-image:linear-gradient(180deg,rgba(0,0,0,.3),#000 30%,#000 75%,rgba(0,0,0,.35));-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.3),#000 30%,#000 75%,rgba(0,0,0,.35))}
.section__bg--night{opacity:.75;background-position:center 45%;mask-image:linear-gradient(180deg,rgba(0,0,0,.5),#000 40%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),#000 40%)}

/* ---------- why grid ---------- */
.why__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.why__copy p{color:var(--ink-2);font-size:1.02rem;margin-bottom:1rem;text-wrap:pretty}
.why__facts{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.why__facts li{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem;display:flex;flex-direction:column;gap:.25rem}
.why__facts strong{font-family:var(--font-head);font-weight:700;font-size:.95rem;color:var(--ink)}
.why__facts span{font-size:.85rem;color:var(--ink-3)}

/* ---------- sound familiar (fit) ---------- */
#fit .approach__bg{opacity:.55}
.fit__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.fit{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:1.5rem 1.4rem 1.3rem;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .3s,background .3s,border-color .3s}
.fit:hover{transform:translateY(-5px);background:rgba(255,255,255,.09);border-color:rgba(94,234,255,.4)}
.fit__role{display:flex;align-items:center;gap:.6rem;font-size:1.08rem;margin-bottom:1rem}
.fit__role svg{width:24px;height:24px;flex:none;fill:none;stroke:var(--cyan);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fit__now,.fit__then{display:grid;grid-template-columns:18px 1fr;gap:.6rem;align-items:start;font-size:.93rem;line-height:1.5;padding:.7rem .85rem;border-radius:12px}
.fit__now{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:rgba(255,255,255,.85);margin-bottom:.55rem}
.fit__then{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.4);color:#fff}
.fit__now svg,.fit__then svg{width:18px;height:18px;margin-top:.15rem;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.fit__now svg{stroke:#fb7185}
.fit__then svg{stroke:#34d399}

/* ---------- portal cards extras ---------- */
.card{display:flex;flex-direction:column}
.card .card__wired{font-size:.82rem;color:var(--ink-3);margin:auto 0 0;padding-top:.9rem;border-top:1px dashed var(--line)}
.card__wired span{font-family:var(--font-head);font-weight:700;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-deep);margin-right:.35rem}
.card__status{display:inline-block;margin-left:.4rem;padding:.15rem .55rem;border-radius:999px;background:rgba(245,184,65,.18);border:1px solid rgba(245,184,65,.55);color:#9a6700;font-size:.62rem;letter-spacing:.1em;vertical-align:middle;white-space:nowrap}
.card--custom{background:linear-gradient(160deg,rgba(94,234,255,.10),rgba(245,184,65,.09)),var(--paper);border-style:dashed;border-color:rgba(14,165,233,.35)}
.card--custom .card__icon svg{stroke-width:2.4}

/* ---------- your call: where it runs, which AI ---------- */
/* the photo is width-fit and bottom-anchored, so its ring sits 25.3vw above the bottom edge: keep the panels clear of it */
#choice{padding-bottom:calc(29vw + 1.5rem)}
.choice__bg{opacity:.95;background-repeat:no-repeat;background-size:100% auto;background-position:center bottom;mask-image:linear-gradient(180deg,transparent 12%,#000 48%);-webkit-mask-image:linear-gradient(180deg,transparent 12%,#000 48%)}
.choice__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;align-items:stretch}
.choice{display:flex;flex-direction:column;background:rgba(9,16,30,.56);border:1px solid rgba(255,255,255,.14);border-radius:calc(var(--radius) + 6px);padding:2rem 2rem 1.8rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-lg)}
.choice__tag{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:.7rem}
.choice__tag svg{width:20px;height:20px;fill:none;stroke:var(--cyan);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.choice h3{font-size:1.3rem;letter-spacing:-.01em;margin-bottom:.6rem;text-wrap:balance}
.choice__sub{color:rgba(255,255,255,.76);font-size:.96rem;margin-bottom:1.4rem}
.choice__tiles{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;margin-top:auto}
.choice__tiles li{display:flex;flex-direction:column;gap:.3rem;padding:1rem 1.05rem;border-radius:var(--radius-sm);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);transition:transform .3s,background .3s,border-color .3s}
.choice__tiles li:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(94,234,255,.45)}
.choice__tiles strong{font-family:var(--font-head);font-weight:600;font-size:.98rem}
.choice__tiles span{font-size:.86rem;color:rgba(255,255,255,.7)}
.choice__note{color:rgba(255,255,255,.55);font-size:.82rem;margin-top:1rem}

/* ---------- mini cases ---------- */
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.mini{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.7rem;box-shadow:var(--shadow)}
.mini h3{font-size:1.15rem;margin-bottom:.5rem}
.mini>p:last-child{color:var(--ink-2);font-size:.95rem}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:none}
.grid .reveal:nth-child(2),.steps .reveal:nth-child(2){transition-delay:.08s}
.grid .reveal:nth-child(3),.steps .reveal:nth-child(3){transition-delay:.16s}
.grid .reveal:nth-child(4),.steps .reveal:nth-child(4){transition-delay:.24s}
.grid .reveal:nth-child(5){transition-delay:.32s}
.grid .reveal:nth-child(6){transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero__bg{animation:none}
  .ring__spin,.hero__ringspin{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .flow__row{grid-template-columns:1fr 1fr;gap:1rem}
  .flow__arrow{display:none}
  .how__portal{left:calc(50% - 297px);top:-51px;width:900px;height:600px}
  #how .section__head{max-width:640px}
  .fit__grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav__toggle{display:flex}
  .nav__links{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:rgba(7,13,23,.97);padding:.75rem 1.25rem 1.5rem;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__links.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav__links a:not(.btn){padding:.9rem .25rem;border-bottom:1px solid rgba(255,255,255,.07);font-size:1.05rem}
  .nav__links a:not(.btn)::after{display:none}
  .nav__cta{margin:1rem 0 0;justify-content:center}
  .nav.is-scrolled,.nav.is-open{background:rgba(7,13,23,.95)}
  .hero{padding-top:calc(var(--nav-h) + 3rem);min-height:auto}
  .hero__motif{display:none}
  .hero__facts{grid-template-columns:1fr;gap:.9rem}
  .case,.case--flip{grid-template-columns:minmax(0,1fr)}
  .case--flip .case__media{order:0}
  .case__media{min-height:auto;aspect-ratio:auto;padding-bottom:1rem}
  .case__media>img{position:relative;inset:auto;height:210px}
  .case__media::after{display:none}
  .pw{position:relative;left:auto;right:auto;bottom:auto;margin:-2.75rem 1rem 0}
  .case__body,.case--flip .case__body{min-width:0;padding:1.6rem 1.4rem 1.8rem}
  .caps,.about,.contact__inner,.why__grid,.grid--2,.choice__grid,.faq{grid-template-columns:minmax(0,1fr)}
  #portals .section__bg--wave{background-size:auto 70%;background-position:50% -120px}
  #contact{padding-bottom:calc(clamp(4.5rem,9vw,7.5rem) + 13rem)}
  #contact .section__bg--horizon{background-size:auto 46%;background-position:86% calc(100% + 280px);mask-image:linear-gradient(180deg,transparent calc(54% + 280px),#000 calc(54% + 460px));-webkit-mask-image:linear-gradient(180deg,transparent calc(54% + 280px),#000 calc(54% + 460px))}
  #choice{padding-bottom:calc(clamp(4.5rem,9vw,7.5rem) + 11rem)}
  .choice__bg{background-size:auto 520px;background-position:57% bottom;mask-image:linear-gradient(180deg,transparent calc(100% - 520px),#000 calc(100% - 330px));-webkit-mask-image:linear-gradient(180deg,transparent calc(100% - 520px),#000 calc(100% - 330px))}
  .how__portal{left:auto;right:-100px;top:-75px;width:450px;height:300px;opacity:.5}
  #how .section__head{margin-bottom:3.25rem}
  .ring{width:300px;opacity:.4}
  .handoff--wide{display:none}
  .handoff--tall{display:block}
  .stack{margin:0 auto;max-width:440px}
  .about__facts{grid-template-columns:1fr}
  .contact__form{grid-template-columns:1fr}
}
@media (max-width:600px){
  .brand__lockup{height:38px}
  .grid--3{grid-template-columns:1fr}
  .flow__row{grid-template-columns:1fr;gap:.5rem}
  .flow__arrow{display:grid;width:auto;height:30px}
  .flow__arrow svg{transform:rotate(90deg)}
  .why__facts,.fit__grid,.choice__tiles{grid-template-columns:1fr}
  .choice{padding:1.5rem 1.3rem}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .footer__inner{grid-template-columns:1fr}
  .footer__legal{flex-direction:column}
  .hero__scroll{display:none}
  .trust__logo img{height:34px}
}