/* ==========================================================================
   PNGU Development — one page site
   1. Tokens        5. Hero
   2. Reset/base    6. Sections
   3. Utilities     7. Work / lightbox
   4. Header/nav    8. CTA / footer / responsive
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --bg:            #05070d;
  --bg-2:          #070b14;
  --surface:       rgba(255,255,255,.028);
  --surface-2:     rgba(255,255,255,.05);
  --line:          rgba(255,255,255,.08);
  --line-strong:   rgba(255,255,255,.16);

  --ink:           #e9eff8;
  --ink-2:         #a8b8cc;
  --ink-3:         #6f8199;

  --b-900:         #06254a;
  --b-700:         #0b3d78;
  --b-600:         #0f5aa8;
  --b-500:         #1272d1;
  --b-400:         #2ea8f0;
  --b-300:         #5ec9ff;

  --grad:          linear-gradient(115deg, #0b3d78 0%, #1272d1 38%, #2ea8f0 68%, #5ec9ff 100%);
  --grad-soft:     linear-gradient(115deg, rgba(18,114,209,.16), rgba(94,201,255,.10));

  --radius:        18px;
  --radius-lg:     26px;
  --radius-sm:     12px;

  --shell:         1240px;
  --pad:           clamp(20px, 5vw, 40px);

  --shadow:        0 24px 60px -28px rgba(0,0,0,.85);
  --shadow-glow:   0 18px 46px -18px rgba(18,114,209,.55);

  --f-display:     'Sora', 'Segoe UI', system-ui, sans-serif;
  --f-body:        'Inter', 'Segoe UI', system-ui, sans-serif;
  --f-mono:        ui-monospace, 'SFMono-Regular', 'Cascadia Code', Consolas, monospace;

  --ease:          cubic-bezier(.22,.68,0,1);
  --header-h:      74px;
}

/* ---------- 2. Reset / base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
*{ margin:0; padding:0; }

html{
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 24px);
  -webkit-text-size-adjust:100%;
}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.65;
  font-synthesis-weight:none;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-locked{ overflow:hidden; }

img,svg{ display:block; max-width:100%; }
img{ height:auto; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul,ol{ list-style:none; }

h1,h2,h3{
  font-family:var(--f-display);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.025em;
}

::selection{ background:rgba(46,168,240,.3); color:#fff; }

:focus-visible{
  outline:2px solid var(--b-400);
  outline-offset:3px;
  border-radius:6px;
}

.skip-link{
  position:fixed; top:12px; left:12px; z-index:200;
  padding:12px 20px; border-radius:10px;
  background:var(--b-500); color:#fff; font-weight:600;
  transform:translateY(-160%);
  transition:transform .25s var(--ease);
}
.skip-link:focus{ transform:none; }

/* ---------- background layers ---------- */
.bg{ position:fixed; inset:0; z-index:-1; pointer-events:none; overflow:hidden; }
.bg::after{
  content:''; position:absolute; inset:0;
  background:radial-gradient(120% 80% at 50% -10%, transparent 40%, var(--bg) 100%);
}
.bg__grid{
  position:absolute; inset:-2px;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(100% 70% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image:radial-gradient(100% 70% at 50% 0%, #000 0%, transparent 75%);
}
.bg__glow{ position:absolute; border-radius:50%; filter:blur(120px); opacity:.5; }
.bg__glow--a{
  width:min(820px,90vw); aspect-ratio:1; top:-32%; left:-12%;
  background:radial-gradient(circle, rgba(18,114,209,.5), transparent 65%);
  animation:float 22s ease-in-out infinite;
}
.bg__glow--b{
  width:min(700px,80vw); aspect-ratio:1; top:14%; right:-16%;
  background:radial-gradient(circle, rgba(94,201,255,.26), transparent 65%);
  animation:float 26s ease-in-out infinite reverse;
}
.bg__noise{
  position:absolute; inset:0; opacity:.028; mix-blend-mode:overlay;
  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='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@keyframes float{
  0%,100%{ transform:translate3d(0,0,0) scale(1); }
  50%    { transform:translate3d(4%,6%,0) scale(1.08); }
}

/* scroll progress */
.progress{ position:fixed; inset:0 0 auto 0; height:2px; z-index:120; background:transparent; }
.progress__bar{
  display:block; height:100%; width:0%;
  background:var(--grad);
  box-shadow:0 0 14px rgba(46,168,240,.75);
  transition:width .12s linear;
}

/* ---------- 3. Utilities ---------- */
.shell{ width:100%; max-width:var(--shell); margin-inline:auto; padding-inline:var(--pad); }
.shell--narrow{ max-width:880px; }

.grad{
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}

.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-size:.75rem; font-weight:600; letter-spacing:.16em; text-transform:uppercase;
  color:var(--b-300);
  padding:7px 14px; border-radius:999px;
  border:1px solid rgba(94,201,255,.22);
  background:rgba(18,114,209,.09);
}
.eyebrow--center{ align-self:center; }
.eyebrow .dot{
  width:7px; height:7px; border-radius:50%; background:#3ddc84;
  box-shadow:0 0 0 0 rgba(61,220,132,.6);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  70%{ box-shadow:0 0 0 8px rgba(61,220,132,0); }
  100%{ box-shadow:0 0 0 0 rgba(61,220,132,0); }
}

.ico{ width:18px; height:18px; flex:none; fill:currentColor; }
.ico--arrow{ fill:none; transition:transform .3s var(--ease); }

/* buttons */
.btn{
  --btn-py:14px; --btn-px:26px;
  position:relative; isolation:isolate;
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:var(--btn-py) var(--btn-px);
  border-radius:999px;
  font-family:var(--f-display); font-weight:600; font-size:.95rem; letter-spacing:-.01em;
  white-space:nowrap;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}
.btn--sm{ --btn-py:10px; --btn-px:18px; font-size:.875rem; }
.btn--lg{ --btn-py:18px; --btn-px:36px; font-size:1.05rem; }

.btn--primary{
  color:#fff;
  background:var(--grad);
  background-size:180% 100%;
  box-shadow:var(--shadow-glow);
}
.btn--primary::after{
  content:''; position:absolute; inset:0; z-index:-1; border-radius:inherit;
  background:linear-gradient(115deg,#5ec9ff,#1272d1);
  opacity:0; transition:opacity .35s var(--ease);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 22px 50px -16px rgba(46,168,240,.65); }
.btn--primary:hover::after{ opacity:1; }
.btn--primary:active{ transform:translateY(0); }

.btn--ghost{
  color:var(--ink);
  border:1px solid var(--line-strong);
  background:var(--surface);
  backdrop-filter:blur(10px);
}
.btn--ghost:hover{ border-color:rgba(94,201,255,.5); background:rgba(18,114,209,.12); transform:translateY(-2px); }
.btn--ghost:hover .ico--arrow{ transform:translateX(4px); }

/* reveal on scroll */
.reveal{
  opacity:0; transform:translateY(26px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay:calc(var(--d,0) * 90ms);
}
.reveal.is-in{ opacity:1; transform:none; }

/* ---------- 4. Header ---------- */
.header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--header-h);
  display:flex; align-items:center;
  transition:background-color .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.header.is-stuck{
  background:rgba(5,7,13,.72);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--line);
}
.header__inner{ display:flex; align-items:center; gap:24px; }

.brand{ display:inline-flex; align-items:center; gap:11px; margin-right:auto; }
.brand__mark{
  width:38px; height:38px; object-fit:contain;
  filter:drop-shadow(0 4px 14px rgba(46,168,240,.45));
  transition:transform .5s var(--ease);
}
.brand:hover .brand__mark{ transform:rotate(-8deg) scale(1.06); }
.brand__text{ display:flex; flex-direction:column; line-height:1.05; }
.brand__text strong{
  font-family:var(--f-display); font-weight:800; font-size:1.06rem; letter-spacing:.02em;
}
.brand__text span{
  font-size:.66rem; letter-spacing:.24em; text-transform:uppercase; color:var(--ink-3); font-weight:500;
}

.nav{ display:flex; align-items:center; gap:4px; }
.nav a{
  position:relative;
  padding:9px 15px; border-radius:999px;
  font-size:.92rem; font-weight:500; color:var(--ink-2);
  transition:color .25s var(--ease), background-color .25s var(--ease);
}
.nav a:hover{ color:var(--ink); background:var(--surface-2); }
.nav a.is-active{ color:#fff; }
.nav a.is-active::after{
  content:''; position:absolute; left:50%; bottom:2px; translate:-50% 0;
  width:16px; height:2px; border-radius:2px; background:var(--grad);
}

.header__actions{ display:flex; align-items:center; gap:12px; }

.burger{
  display:none; width:42px; height:42px; border-radius:12px;
  border:1px solid var(--line); background:var(--surface);
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.burger span{
  width:18px; height:2px; border-radius:2px; background:var(--ink);
  transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero ---------- */
.hero{ padding:calc(var(--header-h) + clamp(48px,9vw,110px)) 0 clamp(60px,8vw,100px); }
.hero__inner{
  display:grid; grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:clamp(32px,5vw,72px); align-items:center;
}

.hero__title{
  margin:22px 0 0;
  font-size:clamp(2.5rem, 6.2vw, 4.4rem);
  font-weight:800;
  letter-spacing:-.035em;
}
.hero__title .grad{ display:inline-block; }

.hero__lead{
  margin-top:22px; max-width:56ch;
  font-size:clamp(1rem,1.6vw,1.14rem); color:var(--ink-2);
}

.hero__cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

.hero__stats{
  display:flex; flex-wrap:wrap; gap:clamp(20px,4vw,48px);
  margin-top:46px; padding-top:30px; border-top:1px solid var(--line);
}
.stat__k{
  font-family:var(--f-display); font-weight:700;
  font-size:clamp(1.5rem,3vw,1.9rem);
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
  line-height:1.2;
}
.stat__v{ font-size:.84rem; color:var(--ink-3); letter-spacing:.02em; }

/* hero visual */
.hero__visual{
  position:relative; display:grid; place-items:center;
  min-height:clamp(320px,38vw,460px);
}
.orb{ position:relative; display:grid; place-items:center; width:min(100%,380px); aspect-ratio:1; }
.orb::before{
  content:''; position:absolute; inset:14%;
  border-radius:50%;
  background:radial-gradient(circle at 50% 45%, rgba(46,168,240,.32), transparent 68%);
  filter:blur(28px);
}
.orb__ring{
  position:absolute; border-radius:50%;
  border:1px solid rgba(94,201,255,.16);
}
.orb__ring--1{ inset:0;  animation:spin 26s linear infinite; }
.orb__ring--2{ inset:11%; border-style:dashed; border-color:rgba(94,201,255,.14); animation:spin 34s linear infinite reverse; }
.orb__ring--3{ inset:23%; border-color:rgba(94,201,255,.22); }
.orb__ring--1::after,
.orb__ring--2::after{
  content:''; position:absolute; top:-4px; left:50%; translate:-50% 0;
  width:8px; height:8px; border-radius:50%;
  background:var(--b-300); box-shadow:0 0 14px 3px rgba(94,201,255,.75);
}
.orb__logo{
  position:relative; width:52%; height:auto; object-fit:contain;
  filter:drop-shadow(0 22px 40px rgba(18,114,209,.55));
  animation:bob 6s ease-in-out infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes bob{ 0%,100%{ transform:translateY(-8px); } 50%{ transform:translateY(8px); } }

.chip{
  position:absolute; z-index:2;
  display:inline-flex; align-items:center; gap:9px;
  padding:9px 16px; border-radius:999px;
  font-size:.82rem; font-weight:600; font-family:var(--f-display);
  color:var(--ink);
  background:rgba(10,15,26,.78);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  animation:bob 7s ease-in-out infinite;
}
.chip span{ width:7px; height:7px; border-radius:50%; background:var(--grad); }
.chip--1{ top:6%;  left:-4%;  animation-delay:-1s; }
.chip--2{ top:46%; right:-6%; animation-delay:-3s; }
.chip--3{ bottom:6%; left:6%; animation-delay:-5s; }

/* tech ticker */
.ticker{
  margin-top:clamp(48px,7vw,86px);
  padding:18px 0;
  border-block:1px solid var(--line);
  overflow:hidden;
  mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.ticker__track{
  display:flex; align-items:center; gap:26px; width:max-content;
  animation:marquee 42s linear infinite;
}
.ticker__track span{
  font-family:var(--f-display); font-weight:600; font-size:.95rem;
  color:var(--ink-3); letter-spacing:.02em;
  transition:color .3s var(--ease);
}
.ticker:hover .ticker__track{ animation-play-state:paused; }
.ticker__track span:hover{ color:var(--b-300); }
.ticker__track i{ color:rgba(94,201,255,.35); font-style:normal; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ---------- 6. Sections ---------- */
.section{ padding:clamp(72px,10vw,130px) 0; position:relative; }
.section--work::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(180deg, transparent, rgba(11,61,120,.07) 30%, rgba(11,61,120,.07) 70%, transparent);
}

.sec-head{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:18px; max-width:760px; margin-inline:auto; }
.sec-head--row{
  flex-direction:row; align-items:flex-end; justify-content:space-between;
  text-align:left; max-width:none; gap:40px;
}
.sec-head--row .eyebrow{ align-self:flex-start; }
.sec-title{ font-size:clamp(2rem,4.4vw,3.1rem); letter-spacing:-.03em; }
.sec-lead{ color:var(--ink-2); font-size:clamp(.98rem,1.4vw,1.08rem); max-width:62ch; }
.sec-lead--right{ text-align:right; max-width:46ch; }
.sec-lead--left{ text-align:left; }

/* service cards */
.cards{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:22px; margin-top:clamp(40px,6vw,64px);
}
.card{
  position:relative; isolation:isolate;
  display:flex; flex-direction:column;
  padding:34px 30px 30px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  backdrop-filter:blur(6px);
  overflow:hidden;
  transition:transform .45s var(--ease), border-color .45s var(--ease), background-color .45s var(--ease);
}
.card::before{
  content:''; position:absolute; inset:0; z-index:-1; opacity:0;
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,0%), rgba(46,168,240,.13), transparent 62%);
  transition:opacity .45s var(--ease);
}
.card:hover{ transform:translateY(-6px); border-color:rgba(94,201,255,.34); }
.card:hover::before{ opacity:1; }
.card--featured{
  border-color:rgba(94,201,255,.3);
  background:linear-gradient(170deg, rgba(18,114,209,.13), var(--surface) 55%);
}
.card__badge{
  position:absolute; top:20px; right:20px;
  padding:5px 12px; border-radius:999px;
  font-size:.68rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:#04121f; background:var(--b-300);
}
.card__icon{
  width:54px; height:54px; border-radius:16px;
  display:grid; place-items:center;
  color:var(--b-300);
  background:rgba(18,114,209,.14);
  border:1px solid rgba(94,201,255,.2);
  margin-bottom:22px;
}
.card__icon svg{ width:26px; height:26px; }
.card__title{ font-size:1.35rem; margin-bottom:12px; }
.card__text{ color:var(--ink-2); font-size:.96rem; }
.card__list{ margin:22px 0 26px; display:grid; gap:11px; }
.card__list li{
  position:relative; padding-left:26px;
  font-size:.92rem; color:var(--ink-2);
}
.card__list li::before{
  content:''; position:absolute; left:0; top:.55em;
  width:14px; height:8px;
  border-left:2px solid var(--b-400); border-bottom:2px solid var(--b-400);
  transform:rotate(-45deg) translateY(-2px);
  border-radius:1px;
}
.card__link{
  margin-top:auto; display:inline-flex; align-items:center; gap:8px;
  font-family:var(--f-display); font-weight:600; font-size:.92rem; color:var(--b-300);
  transition:gap .3s var(--ease);
}
.card__link:hover{ gap:13px; }

.services__note{
  margin-top:34px; text-align:center; color:var(--ink-3); font-size:.95rem;
}
.services__note a{ color:var(--b-300); font-weight:600; }
.services__note a:hover{ text-decoration:underline; }

/* ---------- 7. Work ---------- */
.filters{
  display:flex; flex-wrap:wrap; gap:10px;
  margin:clamp(34px,5vw,48px) 0 30px;
}
.filter{
  padding:10px 20px; border-radius:999px;
  font-family:var(--f-display); font-weight:600; font-size:.88rem;
  color:var(--ink-2);
  border:1px solid var(--line);
  background:var(--surface);
  transition:color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}
.filter:hover{ color:var(--ink); border-color:var(--line-strong); transform:translateY(-2px); }
.filter.is-active{
  color:#fff; border-color:transparent;
  background:var(--grad);
  box-shadow:var(--shadow-glow);
}

.grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.work{
  opacity:0; transform:translateY(24px) scale(.98);
  transition:opacity .55s var(--ease), transform .55s var(--ease);
}
.work.is-in{ opacity:1; transform:none; }
.work.is-hidden{ display:none; }

.work__btn{
  display:flex; flex-direction:column; width:100%; height:100%; text-align:left;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  overflow:hidden;
  transition:transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.work__btn:hover{
  transform:translateY(-7px);
  border-color:rgba(94,201,255,.36);
  box-shadow:0 30px 60px -30px rgba(18,114,209,.6);
}

/* window frames */
.frame{
  display:block; position:relative;
  background:#0a0e17;
  border-bottom:1px solid var(--line);
}
.frame__bar{
  display:flex; align-items:center; gap:7px;
  padding:11px 14px;
  background:rgba(255,255,255,.035);
  border-bottom:1px solid var(--line);
}
.frame__bar i{ width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,.16); flex:none; }
.frame--browser .frame__bar i:nth-child(1){ background:#ff5f57; }
.frame--browser .frame__bar i:nth-child(2){ background:#febc2e; }
.frame--browser .frame__bar i:nth-child(3){ background:#28c840; }
.frame__bar i.dsc{ width:10px; height:10px; border-radius:3px; background:var(--grad); }
.frame__bar em{
  font-style:normal; font-size:.72rem; color:var(--ink-3);
  font-family:var(--f-mono); letter-spacing:.01em;
  margin-left:8px;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.frame--browser .frame__bar em{
  flex:1; text-align:center; margin:0 6px;
  padding:4px 12px; border-radius:999px;
  background:rgba(0,0,0,.35);
}
.frame__view{
  display:block; position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(18,114,209,.13), transparent 70%), #070b12;
}
/* wide screenshots smaller than the frame: letterbox them, never upscale hard */
.frame__view img{
  position:absolute; inset:14px; margin:auto;
  max-width:calc(100% - 28px); max-height:calc(100% - 28px);
  width:auto; height:auto;
  object-fit:contain;
  border-radius:6px;
  transition:transform .7s var(--ease);
}
/* full-page and tall/narrow screenshots: fill the frame, anchored to the top */
.frame--browser .frame__view img,
.frame--tall .frame__view img{
  inset:0; margin:0; border-radius:0;
  width:100%; height:100%;
  max-width:none; max-height:none;
  object-fit:cover; object-position:top center;
}
.work__btn:hover .frame__view img{ transform:scale(1.035); }

.work__meta{ display:flex; flex-direction:column; gap:7px; padding:22px 24px 24px; margin-top:auto; }
.work__tag{
  align-self:flex-start;
  padding:4px 11px; border-radius:999px;
  font-size:.66rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--b-300);
  background:rgba(18,114,209,.14);
  border:1px solid rgba(94,201,255,.2);
  margin-bottom:3px;
}
.work__name{ font-family:var(--f-display); font-weight:600; font-size:1.06rem; letter-spacing:-.015em; }
.work__desc{ font-size:.88rem; color:var(--ink-3); line-height:1.55; }

.work__cta{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:20px;
  margin-top:clamp(40px,6vw,60px); text-align:center;
}
.work__cta p{ font-family:var(--f-display); font-weight:600; font-size:clamp(1.05rem,2vw,1.3rem); }

/* steps */
.steps{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:20px; margin-top:clamp(40px,6vw,64px);
  counter-reset:step;
}
.step{
  position:relative;
  padding:32px 26px 30px;
  border:1px solid var(--line); border-radius:var(--radius-lg);
  background:var(--surface);
  transition:transform .45s var(--ease), border-color .45s var(--ease), background .45s var(--ease);
}
.step:hover{ transform:translateY(-5px); border-color:rgba(94,201,255,.3); background:var(--surface-2); }
.step::after{
  content:''; position:absolute; top:52px; right:-11px;
  width:22px; height:1px; background:linear-gradient(90deg, rgba(94,201,255,.5), transparent);
}
.step:last-child::after{ display:none; }
.step__no{
  display:block; font-family:var(--f-display); font-weight:800; font-size:2rem;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:14px; letter-spacing:-.04em;
}
.step__title{ font-size:1.16rem; margin-bottom:9px; }
.step__text{ font-size:.92rem; color:var(--ink-2); }

/* why + terminal */
.why{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(36px,6vw,72px); align-items:center;
}
.why__copy .eyebrow{ margin-bottom:18px; }
.why__copy .sec-title{ margin-bottom:18px; }
.why__list{ display:grid; gap:20px; margin-top:34px; }
.why__list li{
  position:relative; padding-left:30px;
  font-size:.94rem; color:var(--ink-2);
}
.why__list li::before{
  content:''; position:absolute; left:0; top:6px;
  width:14px; height:14px; border-radius:5px;
  background:var(--grad);
  box-shadow:0 0 16px rgba(46,168,240,.5);
}
.why__list strong{
  display:block; font-family:var(--f-display); font-weight:600; font-size:1.02rem;
  color:var(--ink); margin-bottom:4px; letter-spacing:-.01em;
}

.term{
  border:1px solid var(--line); border-radius:var(--radius);
  background:#080c14; overflow:hidden;
  box-shadow:var(--shadow);
}
.term__bar{
  display:flex; align-items:center; gap:7px;
  padding:12px 16px;
  background:rgba(255,255,255,.035);
  border-bottom:1px solid var(--line);
}
.term__bar i{ width:9px; height:9px; border-radius:50%; }
.term__bar i:nth-child(1){ background:#ff5f57; }
.term__bar i:nth-child(2){ background:#febc2e; }
.term__bar i:nth-child(3){ background:#28c840; }
.term__bar em{
  font-style:normal; margin-left:10px;
  font-family:var(--f-mono); font-size:.74rem; color:var(--ink-3);
}
.term__code{
  padding:22px 24px 26px;
  font-family:var(--f-mono); font-size:.8rem; line-height:1.85;
  color:#c3d2e4; overflow-x:auto;
}
.c-k{ color:#5ec9ff; }
.c-s{ color:#7ee2a8; }
.c-f{ color:#ffd479; }
.c-c{ color:#5c6f85; font-style:italic; }

/* FAQ */
.faq{ margin-top:clamp(36px,5vw,52px); display:grid; gap:12px; }
.qa{
  border:1px solid var(--line); border-radius:var(--radius);
  background:var(--surface);
  overflow:hidden;
  transition:border-color .35s var(--ease), background .35s var(--ease);
}
.qa[open]{ border-color:rgba(94,201,255,.3); background:rgba(18,114,209,.06); }
.qa summary{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:20px 24px; cursor:pointer; list-style:none;
  font-family:var(--f-display); font-weight:600; font-size:1.02rem; letter-spacing:-.01em;
}
.qa summary::-webkit-details-marker{ display:none; }
.qa summary::after{
  content:''; flex:none;
  width:11px; height:11px;
  border-right:2px solid var(--b-300); border-bottom:2px solid var(--b-300);
  transform:rotate(45deg) translateY(-3px);
  transition:transform .35s var(--ease);
}
.qa[open] summary::after{ transform:rotate(-135deg) translateY(-3px); }
.qa summary:hover{ color:var(--b-300); }
.qa__body{ padding:0 24px 22px; color:var(--ink-2); font-size:.95rem; max-width:72ch; }

/* ---------- 8. CTA ---------- */
.cta{ padding:clamp(40px,7vw,80px) 0 clamp(72px,10vw,120px); }
.cta__box{
  position:relative; isolation:isolate; overflow:hidden;
  border:1px solid rgba(94,201,255,.24);
  border-radius:clamp(24px,4vw,36px);
  background:
    linear-gradient(160deg, rgba(18,114,209,.2), rgba(6,37,74,.35) 55%, rgba(5,7,13,.6)),
    var(--bg-2);
  padding:clamp(44px,7vw,84px) var(--pad);
  text-align:center;
  box-shadow:0 50px 100px -50px rgba(18,114,209,.7);
}
.cta__box::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(70% 70% at 50% 50%, #000, transparent);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 50%, #000, transparent);
}
.cta__glow{
  position:absolute; z-index:-1; left:50%; top:-40%; translate:-50% 0;
  width:min(760px,110%); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle, rgba(46,168,240,.32), transparent 62%);
  filter:blur(70px);
}
.cta__content{ display:flex; flex-direction:column; align-items:center; gap:20px; max-width:720px; margin-inline:auto; }
.cta__title{ font-size:clamp(2.1rem,5.2vw,3.5rem); letter-spacing:-.035em; }
.cta__text{ color:var(--ink-2); font-size:clamp(1rem,1.6vw,1.12rem); }
.cta__actions{ display:flex; flex-direction:column; align-items:center; gap:14px; margin-top:12px; }
.cta__hint{ font-size:.82rem; color:var(--ink-3); letter-spacing:.03em; }
.cta__points{
  display:flex; flex-wrap:wrap; justify-content:center; gap:12px 26px;
  margin-top:18px; padding-top:28px;
  border-top:1px solid var(--line);
  width:100%;
}
.cta__points li{
  display:inline-flex; align-items:center; gap:9px;
  font-size:.88rem; color:var(--ink-2);
}
.cta__points span{
  display:grid; place-items:center;
  width:20px; height:20px; border-radius:50%;
  font-size:.7rem; font-weight:700; color:#04121f;
  background:var(--b-300);
}

/* ---------- footer ---------- */
.footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,61,120,.06), transparent 40%);
  padding:clamp(52px,7vw,80px) 0 34px;
}
.footer__top{
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:clamp(28px,4vw,50px);
}
.footer__brand .brand{ margin:0 0 18px; }
.footer__brand .brand__mark{ width:42px; height:42px; }
.footer__tag{ color:var(--ink-3); font-size:.92rem; max-width:34ch; margin-bottom:22px; }
.footer__col h3{
  font-size:.74rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--ink); margin-bottom:18px; font-weight:600;
}
.footer__col a{
  display:block; color:var(--ink-3); font-size:.92rem; padding:5px 0;
  transition:color .25s var(--ease), transform .25s var(--ease);
}
.footer__col a:hover{ color:var(--b-300); transform:translateX(3px); }
.footer__small{ color:var(--ink-3); font-size:.88rem; margin-bottom:12px; max-width:32ch; }
.footer__link{ color:var(--b-300) !important; font-weight:600; font-family:var(--f-display); }

.footer__bottom{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px;
  margin-top:clamp(38px,5vw,56px); padding-top:26px;
  border-top:1px solid var(--line);
  color:var(--ink-3); font-size:.84rem;
}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed; inset:0; z-index:150;
  display:grid; place-items:center;
  padding:clamp(20px,5vw,64px);
  background:rgba(3,5,10,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  opacity:0; transition:opacity .3s var(--ease);
}
.lightbox[hidden]{ display:none; }
.lightbox.is-open{ opacity:1; }
.lightbox__fig{
  display:flex; flex-direction:column; gap:18px; align-items:center;
  max-width:min(1100px,100%); max-height:100%;
}
.lightbox__fig img{
  max-width:100%; max-height:70vh;
  width:auto; object-fit:contain;
  border-radius:14px; border:1px solid var(--line-strong);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.9);
  background:#0a0e17;
  transform:scale(.96); transition:transform .35s var(--ease);
}
.lightbox.is-open .lightbox__fig img{ transform:none; }
.lightbox__fig figcaption{ text-align:center; max-width:66ch; }
.lightbox__fig strong{
  display:block; font-family:var(--f-display); font-size:1.15rem; margin-bottom:7px;
}
.lightbox__fig span{ color:var(--ink-2); font-size:.92rem; }

.lightbox__close,
.lightbox__nav{
  position:absolute; z-index:2;
  display:grid; place-items:center;
  width:48px; height:48px; border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(10,15,26,.8);
  color:var(--ink); font-size:1.7rem; line-height:1;
  transition:background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.lightbox__nav[hidden]{ display:none; }
.lightbox__close{ top:clamp(14px,3vw,28px); right:clamp(14px,3vw,28px); font-size:2rem; }
.lightbox__nav--prev{ left:clamp(10px,2.5vw,28px); top:50%; translate:0 -50%; }
.lightbox__nav--next{ right:clamp(10px,2.5vw,28px); top:50%; translate:0 -50%; }
.lightbox__close:hover,
.lightbox__nav:hover{ background:var(--b-500); border-color:transparent; }
.lightbox__nav:hover{ transform:translateY(-50%) scale(1.06); }
.lightbox__nav--prev:hover,
.lightbox__nav--next:hover{ translate:0 -50%; }

/* back to top */
.totop{
  position:fixed; right:22px; bottom:22px; z-index:90;
  display:grid; place-items:center;
  width:46px; height:46px; border-radius:50%;
  color:#fff; background:var(--grad);
  box-shadow:var(--shadow-glow);
  opacity:0; visibility:hidden; transform:translateY(14px);
  transition:opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
}
.totop.is-visible{ opacity:1; visibility:visible; transform:none; }
.totop:hover{ transform:translateY(-3px); }
.totop svg{ width:19px; height:19px; }

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .footer__top{ grid-template-columns:1fr 1fr; }
  .footer__brand{ grid-column:1 / -1; }
}

@media (max-width:960px){
  :root{ --header-h:66px; }

  .nav{
    position:fixed; inset:var(--header-h) 0 auto 0;
    flex-direction:column; align-items:stretch; gap:4px;
    padding:18px var(--pad) 26px;
    background:rgba(5,7,13,.96);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);
    opacity:0; visibility:hidden; pointer-events:none;
    transition:opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  }
  .nav.is-open{ opacity:1; visibility:visible; transform:none; pointer-events:auto; }
  .nav a{ padding:14px 16px; border-radius:12px; font-size:1rem; }
  .nav a.is-active::after{ display:none; }
  .burger{ display:flex; }

  .hero__inner{ grid-template-columns:1fr; }
  .hero__visual{ order:-1; min-height:280px; }
  .orb{ width:min(78%,300px); }
  .chip--1{ left:0; } .chip--2{ right:0; } .chip--3{ left:8%; }

  .sec-head--row{ flex-direction:column; align-items:flex-start; }
  .sec-lead--right{ text-align:left; max-width:62ch; }

  .why{ grid-template-columns:1fr; }
  .grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .step::after{ display:none; }
}

@media (max-width:640px){
  .grid{ grid-template-columns:1fr; }
  .header__actions .btn--sm{ display:none; }
  .hero__stats{ gap:18px 30px; }
  .footer__top{ grid-template-columns:1fr; }
  .footer__bottom{ justify-content:center; text-align:center; }
  .frame--browser .frame__bar em{ font-size:.66rem; }
  .lightbox__nav{ width:42px; height:42px; }
}

/* ---------- motion / print ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal,.work{ opacity:1 !important; transform:none !important; }
}

@media print{
  .bg,.header,.totop,.lightbox,.progress,.ticker{ display:none !important; }
  body{ background:#fff; color:#000; }
}