:root {
  --bg:#040914;
  --deep:#02050b;
  --panel:#0b1727;
  --panel2:#101f33;
  --line:rgba(145,225,255,.13);
  --line2:rgba(145,225,255,.29);
  --text:#f5fbff;
  --muted:#9eafc2;
  --ice:#a9edff;
  --cyan:#27c6e8;
  --blue:#3187ff;
  --orange:#ff8d1a;
  --orange2:#ffb22a;
  --max:1200px;
  --radius:24px;
  --shadow:0 34px 100px rgba(0,0,0,.42);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--deep)}
body{
  margin:0; min-width:320px; overflow-x:hidden;
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55;
  background:
    radial-gradient(circle at 78% 4%,rgba(42,129,255,.12),transparent 28%),
    linear-gradient(180deg,#060c17 0%,var(--bg) 43%,#02050a 100%);
}
body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(rgba(135,211,255,.026) 1px,transparent 1px),
    linear-gradient(90deg,rgba(135,211,255,.026) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 75%);
}

a{color:inherit;text-decoration:none}
button{font:inherit}
.site{position:relative;z-index:2}
.wrap{width:min(calc(100% - 40px),var(--max));margin-inline:auto}

.cursor-glow{
  position:fixed; width:440px;height:440px; left:-220px;top:-220px;z-index:1;
  pointer-events:none;border-radius:50%;opacity:0;
  background:radial-gradient(circle,rgba(70,195,255,.10),rgba(70,195,255,.025) 42%,transparent 70%);
  filter:blur(15px); transition:opacity .35s ease;
}

/* NAV */
.nav-wrap{position:fixed;inset:16px 0 auto;z-index:60;pointer-events:none}
.nav{
  pointer-events:auto;width:min(calc(100% - 28px),1130px);min-height:68px;margin:auto;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  padding:7px 10px 7px 12px;border:1px solid var(--line);border-radius:19px;
  background:rgba(4,9,19,.64);backdrop-filter:blur(19px) saturate(145%);
  box-shadow:0 12px 46px rgba(0,0,0,.22);
  transition:background .25s ease,border-color .25s ease;
}
.nav.scrolled{background:rgba(4,9,19,.91);border-color:rgba(145,225,255,.19)}
.brand{display:inline-flex;width:max-content;align-items:center;gap:11px;font-weight:820;letter-spacing:.045em}
.brand-mark{
  width:46px;height:46px;display:grid;place-items:center;overflow:hidden;
  border:1px solid rgba(145,225,255,.2);border-radius:14px;
  background:linear-gradient(145deg,rgba(145,225,255,.12),rgba(24,88,154,.05));
}
.brand-mark img{width:88%;height:88%;object-fit:contain}
.brand-name{font-size:.92rem;white-space:nowrap}
.brand-name small{display:block;margin-top:-3px;color:var(--cyan);font-size:.52rem;font-weight:650;letter-spacing:.36em}
.nav-links{display:flex;align-items:center;justify-content:center;gap:3px}
.nav-link{
  position:relative;padding:11px 13px;color:#afbed0;font-size:.87rem;font-weight:650;
  transition:color .2s ease,transform .2s ease
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:linear-gradient(90deg,transparent,var(--ice),transparent);
  transform:scaleX(0);transition:transform .26s ease
}
.nav-link:hover{color:#fff;transform:translateY(-1px)} .nav-link:hover::after{transform:scaleX(1)}
.nav-actions{display:flex;justify-content:flex-end}

.button{
  min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:0 18px;border:1px solid transparent;border-radius:13px;
  font-size:.89rem;font-weight:780;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease
}
.button:hover{transform:translateY(-2px)}
.button-primary{
  color:#04111a;background:linear-gradient(135deg,#d8f8ff 0%,#88e0ff 48%,#57bbff 100%);
  box-shadow:0 14px 34px rgba(72,193,255,.16)
}
.button-primary:hover{box-shadow:0 18px 46px rgba(72,193,255,.28)}
.button-secondary{color:#eaf8ff;background:rgba(9,18,31,.72);border-color:var(--line2)}
.button-secondary:hover{background:rgba(14,29,49,.94);border-color:rgba(145,225,255,.48)}
.button-px{
  color:#fff;background:linear-gradient(135deg,#008cc8,#20c8e7 53%,#ff8d1a 132%);
  box-shadow:0 14px 40px rgba(0,167,255,.15)
}
.mobile-menu{display:none}

/* HERO */
.hero{
  position:relative;min-height:930px;display:grid;align-items:center;overflow:hidden;isolation:isolate;
  padding:150px 0 110px
}
.hero::before{
  content:"";position:absolute;inset:-18% 0 auto;height:560px;z-index:-3;
  background:
    radial-gradient(ellipse at 72% 38%,rgba(39,157,255,.22),transparent 34%),
    radial-gradient(ellipse at 47% 10%,rgba(57,96,255,.12),transparent 38%);
  filter:blur(42px);animation:drift 12s ease-in-out infinite alternate
}
@keyframes drift{from{transform:translate3d(-1.5%,-1%,0) scale(.98)}to{transform:translate3d(2%,3%,0) scale(1.05)}}
.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:56px}
.eyebrow{
  display:inline-flex;align-items:center;gap:11px;color:#bfefff;font-size:.75rem;
  font-weight:820;letter-spacing:.19em;text-transform:uppercase
}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--ice))}
h1,h2,h3,p{margin-top:0}
h1{
  max-width:690px;margin:25px 0 24px;font-size:clamp(4rem,7.8vw,7.35rem);
  line-height:.91;font-weight:870;letter-spacing:-.066em
}
.gradient-word{
  display:block;color:transparent;background:linear-gradient(90deg,#fff 5%,#bdedff 47%,#67c8ff 77%,#fff 100%);
  background-clip:text;-webkit-background-clip:text;filter:drop-shadow(0 0 28px rgba(72,193,255,.1))
}
.hero-copy{max-width:610px;margin-bottom:31px;color:#aebdcd;font-size:clamp(1rem,1.6vw,1.18rem)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:29px;color:#71859a;
  font-size:.73rem;letter-spacing:.15em;text-transform:uppercase
}
.hero-meta span:not(:last-child)::after{content:"•";margin-left:18px;color:#355068}
.hero-art{position:relative;min-height:620px;display:grid;place-items:center}
.hero-art::before{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(64,184,255,.11),rgba(44,95,255,.04) 44%,transparent 70%);
  filter:blur(8px)
}
.hero-emblem{
  width:min(620px,100%);filter:drop-shadow(0 28px 70px rgba(0,0,0,.42)) drop-shadow(0 0 42px rgba(55,185,255,.10));
  animation:emblemFloat 8s ease-in-out infinite;user-select:none
}
@keyframes emblemFloat{0%,100%{transform:translateY(10px)}50%{transform:translateY(-8px)}}
.hero-ice-line{
  position:absolute;left:6%;right:3%;bottom:62px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(138,230,255,.64),rgba(69,178,255,.30),transparent);
  box-shadow:0 0 26px 3px rgba(72,193,255,.12)
}

/* GLOBAL SECTIONS */
.section{padding:110px 0}
.section-kicker{color:var(--ice);font-size:.73rem;font-weight:820;letter-spacing:.19em;text-transform:uppercase}
.section-title{max-width:820px;margin:14px 0 18px;font-size:clamp(2.5rem,5vw,4.9rem);line-height:.98;letter-spacing:-.052em}
.section-copy{max-width:700px;color:var(--muted);font-size:1.02rem}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.75,.2,1)}
.reveal.visible{opacity:1;transform:none}

/* PATHS */
.start{padding-top:16px}
.start-head{max-width:760px;margin:0 auto 44px;text-align:center}
.start-head .section-title,.start-head .section-copy{margin-inline:auto}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.path-card{
  position:relative;min-height:352px;padding:28px;overflow:hidden;border:1px solid var(--line);
  border-radius:var(--radius);background:linear-gradient(180deg,rgba(13,25,43,.91),rgba(6,13,23,.93));
  box-shadow:var(--shadow);transition:transform .28s ease,border-color .28s ease,background .28s ease
}
.path-card:hover{transform:translateY(-7px);border-color:rgba(145,225,255,.37);background:linear-gradient(180deg,rgba(17,34,57,.97),rgba(7,15,27,.97))}
.path-card::after{
  content:"";position:absolute;width:250px;height:250px;right:-120px;bottom:-150px;border-radius:50%;
  background:radial-gradient(circle,rgba(72,193,255,.18),transparent 70%);transition:transform .35s ease
}
.path-card:hover::after{transform:scale(1.32)}
.path-top{display:flex;justify-content:space-between;color:#6f88a2;font-size:.7rem;letter-spacing:.15em;text-transform:uppercase}
.path-icon{
  width:46px;height:46px;margin:70px 0 22px;display:grid;place-items:center;border:1px solid var(--line2);
  border-radius:14px;background:rgba(72,193,255,.07);color:var(--ice);font-weight:850
}
.path-card h3{margin-bottom:11px;font-size:1.45rem;letter-spacing:-.026em}
.path-card p{margin-bottom:22px;color:var(--muted);font-size:.93rem}
.text-link{display:inline-flex;align-items:center;gap:8px;color:#ddf7ff;font-size:.87rem;font-weight:760}
.text-link span{transition:transform .2s ease} .path-card:hover .text-link span{transform:translateX(5px)}

/* PROJEXTREAM V3 */
.px-section{
  position:relative;margin-top:84px;padding:132px 0 140px;overflow:hidden;
  border-top:1px solid rgba(145,225,255,.08);border-bottom:1px solid rgba(255,155,40,.10);
  background:
    radial-gradient(circle at 83% 40%,rgba(255,137,24,.06),transparent 25%),
    radial-gradient(circle at 72% 31%,rgba(29,158,255,.12),transparent 30%),
    linear-gradient(180deg,rgba(5,12,23,.62),rgba(4,8,15,.96))
}
.px-section::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;
  background-image:linear-gradient(90deg,transparent 49.7%,rgba(47,158,255,.035) 50%,transparent 50.3%);
  background-size:88px 100%
}
.px-ghost{
  position:absolute;right:-8%;top:7%;width:620px;opacity:.055;filter:saturate(1.2);
  transform:rotate(-3deg);pointer-events:none;user-select:none
}
.px-copy-row{
  position:relative;z-index:2;display:grid;grid-template-columns:.78fr 1.22fr;gap:74px;align-items:end;
  margin-bottom:52px
}
.px-kicker{display:inline-flex;align-items:center;gap:10px;color:#90e8ff;font-size:.73rem;font-weight:820;letter-spacing:.17em;text-transform:uppercase}
.px-kicker::before{content:"";width:38px;height:1px;background:linear-gradient(90deg,var(--cyan),var(--orange))}
.px-title{margin:17px 0 9px;font-size:clamp(3.1rem,6vw,5.6rem);line-height:.95;letter-spacing:-.058em}
.px-title .x{color:var(--cyan);text-shadow:0 0 24px rgba(68,200,255,.22)}
.px-title .dot{color:var(--orange)}
.px-tagline{margin-bottom:18px;color:#eef9ff;font-size:1.35rem;font-weight:720;letter-spacing:-.02em}
.px-copy{max-width:570px;color:var(--muted);margin-bottom:28px}
.px-flow{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px}
.px-pill{
  padding:7px 10px;border:1px solid rgba(145,225,255,.11);border-radius:999px;
  color:#9db1c6;background:rgba(255,255,255,.025);font-size:.74rem
}

.product-proof{
  display:flex;align-items:center;gap:12px;margin-bottom:20px;color:#758aa1;
  font-size:.74rem;letter-spacing:.12em;text-transform:uppercase
}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:#39dcb8;
  box-shadow:0 0 0 5px rgba(57,220,184,.075),0 0 16px rgba(57,220,184,.35)
}

.product-stage{position:relative;z-index:2}
.viewer-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:14px;padding:0 4px
}
.viewer-tabs{display:flex;gap:8px;flex-wrap:wrap}
.screen-tab{
  cursor:pointer;padding:9px 13px;border:1px solid rgba(145,225,255,.12);border-radius:999px;
  color:#8498ad;background:rgba(8,18,31,.60);font-size:.77rem;font-weight:730;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease
}
.screen-tab:hover{transform:translateY(-1px);color:#dff8ff;border-color:rgba(145,225,255,.3)}
.screen-tab.active{
  color:#fff;border-color:rgba(69,202,232,.36);
  background:linear-gradient(135deg,rgba(31,148,195,.18),rgba(255,141,26,.08))
}
.viewer-note{color:#61778f;font-size:.74rem}

.app-frame{
  position:relative;isolation:isolate;padding:10px;border-radius:25px;
  background:linear-gradient(130deg,rgba(37,195,231,.40),rgba(75,127,255,.15) 42%,rgba(255,141,26,.35));
  box-shadow:0 44px 120px rgba(0,0,0,.56),0 0 70px rgba(41,180,255,.06);
  transform:perspective(1600px) rotateX(1.5deg);
  transform-origin:center top;
  transition:transform .35s ease,box-shadow .35s ease
}
.app-frame:hover{
  transform:perspective(1600px) rotateX(0deg) translateY(-5px);
  box-shadow:0 52px 135px rgba(0,0,0,.62),-22px 0 80px rgba(35,194,235,.06),22px 0 80px rgba(255,141,26,.05)
}
.app-frame::before{
  content:"";position:absolute;left:1px;top:12%;bottom:12%;width:2px;z-index:3;
  background:linear-gradient(transparent,var(--cyan),transparent);
  box-shadow:0 0 18px rgba(39,198,232,.5)
}
.app-frame::after{
  content:"";position:absolute;right:1px;top:18%;bottom:18%;width:2px;z-index:3;
  background:linear-gradient(transparent,var(--orange),transparent);
  box-shadow:0 0 18px rgba(255,141,26,.44)
}
.screen-wrap{
  position:relative;overflow:hidden;border-radius:17px;background:#081522;
  border:1px solid rgba(255,255,255,.055)
}
.product-screen{
  width:100%;display:block;aspect-ratio:2048/977;object-fit:cover;
  opacity:0;position:absolute;inset:0;transform:scale(1.012);
  transition:opacity .34s ease,transform .45s ease
}
.product-screen.active{opacity:1;position:relative;transform:scale(1)}
.screen-corner{
  position:absolute;z-index:5;width:46px;height:46px;pointer-events:none
}
.screen-corner.tl{left:-1px;top:-1px;border-left:2px solid var(--cyan);border-top:2px solid var(--cyan);border-radius:17px 0 0 0}
.screen-corner.br{right:-1px;bottom:-1px;border-right:2px solid var(--orange);border-bottom:2px solid var(--orange);border-radius:0 0 17px 0}

.px-bottom{
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;margin-top:28px
}
.px-bottom-copy{max-width:710px;color:#8195aa;font-size:.91rem}
.px-bottom-copy strong{color:#dff8ff;font-weight:720}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:start;gap:76px}
.service-stack{display:grid;gap:12px}
.service-item{
  padding:22px 24px;border:1px solid var(--line);border-radius:17px;background:rgba(10,21,36,.66);
  transition:transform .22s ease,border-color .22s ease
}
.service-item:hover{transform:translateX(5px);border-color:rgba(145,225,255,.29)}
.service-item strong{display:block;margin-bottom:5px} .service-item span{color:var(--muted);font-size:.9rem}

/* PRINCIPLES */
.principles{padding-top:20px}
.principles-box{
  padding:58px;overflow:hidden;border:1px solid var(--line);border-radius:30px;
  background:radial-gradient(circle at 88% 24%,rgba(54,180,255,.09),transparent 22%),
             linear-gradient(145deg,rgba(13,25,43,.89),rgba(6,13,23,.94));
  box-shadow:var(--shadow)
}
.principles-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.principle-list{display:grid;gap:15px}
.principle{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}
.principle-num{
  width:36px;height:36px;display:grid;place-items:center;border:1px solid rgba(145,225,255,.18);
  border-radius:10px;color:var(--ice);background:rgba(72,193,255,.05);font-size:.74rem;font-weight:820
}
.principle strong{display:block;margin-bottom:4px} .principle span{color:var(--muted);font-size:.89rem}

/* LABS */
.labs-section{
  padding:136px 0 128px;overflow:hidden;border-top:1px solid rgba(145,225,255,.07);
  background:
    linear-gradient(rgba(3,8,15,.92),rgba(3,7,13,.97)),
    repeating-linear-gradient(90deg,transparent 0 46px,rgba(145,225,255,.035) 47px 48px),
    repeating-linear-gradient(0deg,transparent 0 46px,rgba(145,225,255,.035) 47px 48px)
}
.labs-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center;margin-bottom:54px}
.labs-mark-wrap{display:grid;place-items:center;min-height:380px}
.labs-mark{width:min(420px,100%);filter:drop-shadow(0 30px 70px rgba(0,0,0,.48))}
.labs-copy .section-title{max-width:560px} .labs-copy .section-copy{max-width:570px}
.lab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.lab-card{
  min-height:260px;display:flex;flex-direction:column;justify-content:space-between;padding:26px;
  border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(14,27,45,.91),rgba(5,12,22,.85));
  transition:transform .25s ease,border-color .25s ease
}
.lab-card:hover{transform:translateY(-5px);border-color:rgba(145,225,255,.34)}
.lab-status{
  width:max-content;padding:6px 9px;border:1px solid rgba(145,225,255,.16);border-radius:999px;
  color:#91dff8;font-size:.62rem;font-weight:820;letter-spacing:.13em;text-transform:uppercase
}
.lab-card h3{margin:48px 0 7px;font-size:1.55rem;letter-spacing:-.03em}
.lab-card p{margin-bottom:0;max-width:460px;color:var(--muted);font-size:.89rem}

/* CONTACT / FOOTER */
.contact{padding:118px 0 92px;text-align:center}
.contact .section-title{max-width:890px;margin-inline:auto}
.contact .section-copy{max-width:620px;margin:0 auto 28px}
footer{overflow:hidden;border-top:1px solid rgba(145,225,255,.08)}
.footer-banner{
  height:160px;background-image:linear-gradient(180deg,rgba(3,7,13,.74),rgba(3,7,13,.90)),url("assets/snowdog-footer-banner.png");
  background-size:cover;background-position:center;border-bottom:1px solid rgba(145,225,255,.07)
}
.footer-main{padding:32px 0 44px}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:20px;color:#6d8197;font-size:.77rem}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}

@media(max-width:980px){
  .nav{grid-template-columns:1fr auto} .nav-links{display:none}
  .nav-actions .button-primary{display:none} .mobile-menu{display:inline-flex}
  .hero{min-height:auto;padding-top:145px}
  .hero-grid,.px-copy-row,.services-grid,.principles-grid,.labs-intro{grid-template-columns:1fr}
  .hero-grid{gap:12px} .hero-copy-wrap{text-align:center}
  .hero-copy,h1{margin-inline:auto} .hero-actions,.hero-meta,.eyebrow{justify-content:center}
  .hero-art{min-height:500px}
  .path-grid{grid-template-columns:1fr} .path-card{min-height:290px} .path-icon{margin-top:38px}
  .px-copy-row{gap:28px;align-items:start}
  .px-bottom{grid-template-columns:1fr;align-items:start}
  .labs-intro{gap:20px} .labs-mark-wrap{min-height:300px}
  .labs-copy{text-align:center} .labs-copy .section-title,.labs-copy .section-copy{margin-inline:auto}
}
@media(max-width:680px){
  .wrap{width:min(calc(100% - 28px),var(--max))}
  .nav-wrap{inset:9px 0 auto} .nav{width:calc(100% - 18px)} .brand-name{display:none}
  .hero{padding-top:122px;padding-bottom:70px} h1{font-size:clamp(3.25rem,15vw,5.3rem)}
  .hero-art{min-height:380px} .hero-emblem{width:430px}
  .section{padding:86px 0} .section-title{font-size:clamp(2.4rem,11vw,4rem)}
  .px-section,.labs-section{padding:94px 0}
  .viewer-toolbar{align-items:flex-start;flex-direction:column}
  .viewer-note{display:none}
  .app-frame{padding:6px;border-radius:18px}
  .screen-wrap{border-radius:12px}
  .principles-box{padding:34px 24px}
  .lab-grid{grid-template-columns:1fr}
  .footer-row{align-items:flex-start;flex-direction:column} .footer-banner{height:120px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
  .cursor-glow{display:none}
}
/* ========================================
   Mobile navigation hotfix
   ======================================== */

   .mobile-nav {
    display: none;}

@media (max-width: 980px) {
  .nav-wrap {
    position: fixed;
    left: 0;
    right: 0;
    top: 9px;
    z-index: 100;
  }

  .mobile-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 50%;
    transform: translateX(-50%);

    width: calc(100% - 18px);
    padding: 10px;

    border: 1px solid rgba(145, 225, 255, 0.16);
    border-radius: 18px;

    background: rgba(4, 9, 19, 0.97);
    backdrop-filter: blur(19px);

    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.45);

    pointer-events: auto;
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav.open {
    display: grid;
    gap: 6px;
  }

  .mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;

    min-height: 48px;
    padding: 0 15px;

    border-radius: 12px;

    color: #b6c5d5;
    font-size: 0.92rem;
    font-weight: 680;
  }

  .mobile-nav a:hover,
  .mobile-nav a:focus-visible {
    color: #fff;
    background: rgba(55, 181, 235, 0.08);
  }

  .mobile-nav .mobile-nav-px {
    margin-top: 4px;

    color: #06131c;

    background: linear-gradient(
      135deg,
      #d8f8ff 0%,
      #88e0ff 48%,
      #57bbff 100%
    );

    font-weight: 800;
  }
}

/* ========================================
   FINAL MOBILE LAYOUT OVERRIDES
   Galaxy Note / narrow viewport safe
   ======================================== */

@media (max-width: 980px) {
  .hero-grid,
  .px-copy-row,
  .services-grid,
  .principles-grid,
  .labs-intro {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-grid > *,
  .px-copy-row > *,
  .services-grid > *,
  .principles-grid > *,
  .labs-intro > * {
    min-width: 0;
  }

  .hero-copy-wrap {
    min-width: 0;
  }

  .hero-copy,
  h1 {
    max-width: 100%;
  }

  .hero-art {
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }

  .hero-emblem {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 680px) {
  .wrap {
    width: calc(100% - 28px);
    max-width: var(--max);
  }

  .nav {
    width: calc(100% - 18px);
    min-height: 64px;
  }

  .brand-name {
    display: none;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
  }

  .hero {
    padding-top: 118px;
    padding-bottom: 58px;
  }

  h1 {
    max-width: 100%;
    margin-inline: auto;
    font-size: clamp(3.2rem, 14.5vw, 4.9rem);
    line-height: .92;
    letter-spacing: -.062em;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    font-size: 1rem;
    line-height: 1.7;
    overflow-wrap: anywhere;
  }

  .hero-actions {
    width: 100%;
    max-width: 430px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .hero-actions .button {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding-inline: 14px;
    white-space: normal;
    text-align: center;
  }

  .hero-meta {
    width: 100%;
    max-width: 390px;
    margin-inline: auto;
    justify-content: center;
    gap: 8px 10px;
    font-size: .66rem;
    line-height: 1.7;
  }

  .hero-meta span:not(:last-child)::after {
    margin-left: 10px;
  }

  .hero-art {
    width: 100%;
    max-width: 100%;
    min-height: 360px;
  }

  .hero-emblem {
    width: min(100%, 390px);
    max-width: 100%;
  }

  .hero-art::before {
    width: min(120vw, 430px);
    height: min(120vw, 430px);
  }

  .hero-ice-line {
    left: 10%;
    right: 10%;
    bottom: 45px;
  }

  .section {
    padding: 82px 0;
  }

  .section-title {
    font-size: clamp(2.35rem, 10.6vw, 3.85rem);
  }

  .section-copy {
    font-size: .98rem;
  }

  .path-card {
    padding: 24px;
  }

  .px-section,
  .labs-section {
    padding: 90px 0;
  }

  .px-title {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  .viewer-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .viewer-note {
    display: none;
  }

  .app-frame {
    padding: 5px;
    border-radius: 17px;
    transform: none;
  }

  .app-frame:hover {
    transform: none;
  }

  .screen-wrap {
    border-radius: 11px;
  }

  .px-bottom .button {
    width: 100%;
  }

  .principles-box {
    padding: 32px 22px;
  }

  .lab-grid {
    grid-template-columns: 1fr;
  }

  .contact {
    padding: 90px 0 76px;
  }

  .contact .button {
    width: min(100%, 360px);
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    gap: 14px 20px;
  }

  .footer-banner {
    height: 120px;
  }
}

@media (max-width: 420px) {
  .nav {
    padding-left: 9px;
    padding-right: 9px;
  }

  .mobile-menu {
    padding-inline: 15px;
  }

  .hero {
    padding-top: 112px;
  }

  h1 {
    font-size: clamp(3rem, 14.2vw, 4.25rem);
  }

  .hero-copy {
    line-height: 1.62;
  }

  .hero-meta span:not(:last-child)::after {
    display: none;
  }

  .hero-meta {
    column-gap: 16px;
  }

  .section-title {
    font-size: clamp(2.2rem, 10.8vw, 3.35rem);
  }

  .contact .section-title {
    font-size: clamp(2.45rem, 11.8vw, 3.45rem);
  }
}