/* ============================================================
   INTOSYN AI Lab — style.css
   Premium dark tech theme · vanilla CSS · mobile-first friendly
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --bg:#04060f;
  --bg-2:#080b1a;
  --bg-3:#0c1128;
  --purple:#7c3aed;
  --violet:#a78bfa;
  --blue:#60a5fa;
  --cyan:#22d3ee;
  --pink:#ec4899;
  --green:#34d399;
  --amber:#fbbf24;
  --text-1:#f4f6ff;
  --text-2:rgba(228,232,255,.68);
  --text-3:rgba(228,232,255,.40);
  --glass:rgba(255,255,255,.03);
  --glass-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.17);
  --grad:linear-gradient(100deg,#a78bfa 0%,#60a5fa 48%,#22d3ee 100%);
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:28px;
  --max-w:1200px;
  --nav-h:72px;
  --font-d:'Outfit','Inter',system-ui,sans-serif;
  --font-b:'Inter',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --font-m:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text-1);
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(124,58,237,.45);color:#fff}

body::before{ /* faint global grid */
  content:'';position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(148,163,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,255,.045) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 78%);
}

.mono{font-family:var(--font-m)}
.gradient-text{
  background:var(--grad);
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:gradShift 7s ease-in-out infinite;
}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.section{position:relative;padding:110px 24px}
.section__inner{max-width:var(--max-w);margin:0 auto}
.section__head{max-width:760px;margin:0 auto 64px;text-align:center}
.section__overline{
  font-family:var(--font-m);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cyan);display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;
}
.section__overline::before,.section__overline::after{
  content:'';width:26px;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.6));
}
.section__overline::after{transform:scaleX(-1)}
.section__title{
  font-family:var(--font-d);font-weight:700;letter-spacing:-.02em;
  font-size:clamp(1.8rem,4.2vw,2.9rem);line-height:1.18;
}
.section__subtitle{margin-top:18px;color:var(--text-2);font-size:clamp(.95rem,1.4vw,1.06rem)}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.16,1,.3,1);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;
  border-bottom:1px solid transparent;
}
.navbar--scrolled{
  background:rgba(5,8,20,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.navbar__inner{
  width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.navbar__logo{
  display:flex;align-items:center;gap:11px;
  font-family:var(--font-d);font-weight:700;font-size:19px;letter-spacing:.01em;white-space:nowrap;
}
.navbar__logo-img{width:34px;height:34px;object-fit:contain;filter:drop-shadow(0 0 10px rgba(124,58,237,.5))}
.navbar__links{display:flex;gap:34px}
.navbar__links a{
  position:relative;font-size:14.5px;color:var(--text-2);transition:color .25s;padding:6px 0;
}
.navbar__links a::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:100%;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.16,1,.3,1);
}
.navbar__links a:hover{color:var(--text-1)}
.navbar__links a:hover::after{transform:scaleX(1)}
.navbar__right{display:flex;align-items:center;gap:16px}
.navbar__cta{
  font-size:13.5px;font-weight:600;padding:9px 20px;border-radius:999px;white-space:nowrap;
  background:linear-gradient(120deg,#7c3aed,#4f46e5);
  box-shadow:0 0 0 1px rgba(167,139,250,.35) inset,0 4px 22px rgba(124,58,237,.35);
  transition:transform .25s,box-shadow .25s;
}
.navbar__cta:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(167,139,250,.55) inset,0 6px 30px rgba(124,58,237,.55)}

.lang-sel{
  appearance:none;-webkit-appearance:none;
  background:var(--glass) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23aab' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  border:1px solid var(--line);color:var(--text-2);
  padding:7px 30px 7px 13px;border-radius:999px;font-size:12.5px;cursor:pointer;outline:none;
  font-family:var(--font-b);transition:border-color .25s,color .25s;
}
.lang-sel:hover{border-color:var(--line-2);color:var(--text-1)}
.lang-sel option{background:#0c1128;color:#fff}

/* burger */
.nav-burger{display:none;width:42px;height:42px;border-radius:12px;position:relative;z-index:210}
.nav-burger span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--text-1);
  transition:transform .3s cubic-bezier(.16,1,.3,1),opacity .2s,top .3s;
}
.nav-burger span:nth-child(1){top:14px}
.nav-burger span:nth-child(2){top:20px}
.nav-burger span:nth-child(3){top:26px}
.nav-burger.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){top:20px;transform:rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:200;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;
  background:rgba(4,6,15,.92);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s;
}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{
  font-family:var(--font-d);font-size:26px;font-weight:600;color:var(--text-2);padding:12px 0;
  opacity:0;transform:translateY(14px);transition:opacity .4s ease,transform .4s ease,color .25s;
}
.mobile-menu.open a{opacity:1;transform:none}
.mobile-menu.open a:nth-child(1){transition-delay:.06s}
.mobile-menu.open a:nth-child(2){transition-delay:.12s}
.mobile-menu.open a:nth-child(3){transition-delay:.18s}
.mobile-menu.open a:nth-child(4){transition-delay:.24s}
.mobile-menu a:hover{color:var(--text-1)}
.mobile-menu .lang-sel{margin-top:26px;font-size:14px}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;
  padding:calc(var(--nav-h) + 48px) 24px 90px;overflow:hidden;
}
#hero-bg{position:absolute;inset:0;z-index:0;width:100%;height:100%;display:block}
.hero__bg{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.hero.gl .orb{display:none} /* CSS orbs are only the no-WebGL fallback */
.orb{position:absolute;border-radius:50%;will-change:transform}
.orb--1{
  width:62vw;height:62vw;max-width:900px;max-height:900px;left:-18vw;top:-24vw;
  background:radial-gradient(closest-side,rgba(124,58,237,.30),transparent 70%);
  animation:orbFloat1 26s ease-in-out infinite;
}
.orb--2{
  width:55vw;height:55vw;max-width:820px;max-height:820px;right:-20vw;top:6vh;
  background:radial-gradient(closest-side,rgba(37,99,235,.26),transparent 70%);
  animation:orbFloat2 32s ease-in-out infinite;
}
.orb--3{
  width:40vw;height:40vw;max-width:600px;max-height:600px;left:28vw;bottom:-24vw;
  background:radial-gradient(closest-side,rgba(34,211,238,.16),transparent 70%);
  animation:orbFloat1 38s ease-in-out infinite reverse;
}
@keyframes orbFloat1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5vw,4vh) scale(1.08)}}
@keyframes orbFloat2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-4vw,6vh) scale(1.1)}}

.hero__content{position:relative;z-index:2;max-width:920px;text-align:center}

.hero__badge{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-m);font-size:12px;letter-spacing:.08em;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  padding:8px 18px;border-radius:999px;margin-bottom:30px;
  animation:fadeUp .9s ease .1s both;
}
.hero__badge-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}

.hero__title{
  font-family:var(--font-d);font-weight:800;letter-spacing:-.025em;
  font-size:clamp(2.35rem,6.4vw,4.7rem);line-height:1.1;
  animation:fadeUp .9s ease .22s both;
}
.hero__typer{
  margin-top:22px;font-family:var(--font-m);font-size:clamp(.82rem,1.6vw,1rem);
  color:var(--cyan);min-height:1.7em;letter-spacing:.03em;
  animation:fadeUp .9s ease .34s both;
}
.hero__typer .caret{display:inline-block;width:.55em;height:1.1em;vertical-align:-.18em;background:var(--cyan);margin-left:3px;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero__subtitle{
  margin:22px auto 0;max-width:680px;color:var(--text-2);
  font-size:clamp(.95rem,1.5vw,1.1rem);
  animation:fadeUp .9s ease .42s both;
}
.hero__ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:40px;animation:fadeUp .9s ease .54s both}

.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  padding:14px 32px;border-radius:999px;position:relative;overflow:hidden;
  transition:transform .28s cubic-bezier(.16,1,.3,1),box-shadow .28s;white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(120deg,#7c3aed 0%,#4f46e5 55%,#2563eb 100%);
  box-shadow:0 0 0 1px rgba(167,139,250,.4) inset,0 10px 38px rgba(99,60,237,.42);
}
.btn--primary::after{ /* shine sweep */
  content:'';position:absolute;top:0;bottom:0;left:-70%;width:45%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-22deg);transition:left .6s ease;
}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(167,139,250,.6) inset,0 16px 48px rgba(99,60,237,.6)}
.btn--primary:hover::after{left:130%}
.btn--ghost{
  border:1px solid var(--line-2);color:var(--text-1);background:rgba(255,255,255,.03);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn--ghost:hover{transform:translateY(-3px);border-color:rgba(167,139,250,.55);box-shadow:0 10px 34px rgba(124,58,237,.22)}
.btn .arr{transition:transform .28s}
.btn:hover .arr{transform:translateX(4px)}

.hero__stats{
  display:flex;justify-content:center;gap:clamp(28px,6vw,72px);flex-wrap:wrap;
  margin-top:64px;animation:fadeUp .9s ease .68s both;
}
.stat{text-align:center;min-width:110px}
.stat__num{
  font-family:var(--font-d);font-weight:800;font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat__label{margin-top:4px;font-size:12.5px;color:var(--text-3);letter-spacing:.05em}

.hero__scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-3);
  animation:fadeUp 1s ease 1.1s both;
}
.hero__mouse{width:22px;height:34px;border:1.5px solid var(--text-3);border-radius:12px;position:relative}
.hero__mouse::after{
  content:'';position:absolute;left:50%;top:6px;width:3px;height:7px;border-radius:3px;margin-left:-1.5px;
  background:var(--cyan);animation:wheel 1.8s ease-in-out infinite;
}
@keyframes wheel{0%{opacity:1;transform:translateY(0)}70%{opacity:0;transform:translateY(10px)}100%{opacity:0}}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

/* ============================================================
   VENUES MARQUEE
   ============================================================ */
.venues{padding:34px 0 30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.014)}
.venues__label{text-align:center;font-family:var(--font-m);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-3);margin-bottom:20px;padding:0 24px}
.mq{overflow:hidden;
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
}
.mq__track{display:flex;width:max-content;animation:mq 40s linear infinite}
.mq:hover .mq__track{animation-play-state:paused}
.mq__track ul{display:flex;list-style:none;align-items:center}
.mq__track li{
  font-family:var(--font-d);font-weight:600;font-size:clamp(1.05rem,2vw,1.45rem);
  color:var(--text-3);padding:0 34px;display:flex;align-items:center;gap:34px;white-space:nowrap;
  transition:color .3s;
}
.mq__track li::after{content:'✦';font-size:.7em;color:rgba(167,139,250,.45)}
.mq__track li:hover{color:var(--text-1)}
@keyframes mq{to{transform:translateX(-50%)}}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.acard{
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 32px;transition:transform .35s cubic-bezier(.16,1,.3,1),border-color .35s,background .35s;
}
.acard::after{ /* cursor spotlight */
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(148,163,255,.10),transparent 65%);
}
.acard:hover{transform:translateY(-6px);border-color:var(--line-2);background:var(--glass-2)}
.acard:hover::after{opacity:1}
.acard__icon{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:24px;
  background:linear-gradient(135deg,rgba(124,58,237,.18),rgba(34,211,238,.12));
  border:1px solid rgba(167,139,250,.25);color:var(--violet);
  box-shadow:0 0 24px rgba(124,58,237,.14);
  transition:box-shadow .35s,transform .35s;
}
.acard:hover .acard__icon{box-shadow:0 0 38px rgba(124,58,237,.32);transform:scale(1.06)}
.acard__title{font-family:var(--font-d);font-weight:700;font-size:1.2rem;margin-bottom:12px;letter-spacing:-.01em}
.acard__desc{color:var(--text-2);font-size:.94rem}

/* ============================================================
   DOMAINS
   ============================================================ */
.domains{background:
  radial-gradient(ellipse 60% 40% at 15% 12%,rgba(124,58,237,.10),transparent 60%),
  radial-gradient(ellipse 55% 38% at 88% 78%,rgba(37,99,235,.09),transparent 60%);
}
.domains__grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;
}
.dcard{
  --c:#a78bfa;
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px 18px;
  content-visibility:auto;contain-intrinsic-size:auto 230px;
  transition:transform .32s cubic-bezier(.16,1,.3,1),border-color .32s,box-shadow .32s,background .32s;
}
.dcard::before{ /* top accent */
  content:'';position:absolute;top:0;left:20px;height:2px;width:34px;border-radius:2px;
  background:linear-gradient(90deg,var(--c),transparent);
  transition:width .4s cubic-bezier(.16,1,.3,1);
}
.dcard::after{ /* cursor spotlight */
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--c) 12%,transparent),transparent 65%);
}
.dcard:hover{
  transform:translateY(-5px);background:var(--glass-2);
  border-color:color-mix(in srgb,var(--c) 45%,transparent);
  box-shadow:0 14px 40px -12px color-mix(in srgb,var(--c) 28%,transparent);
}
.dcard:hover::before{width:calc(100% - 40px)}
.dcard:hover::after{opacity:1}
.dcard__head{display:flex;align-items:center;gap:13px;margin-bottom:13px}
.dcard__emoji{
  width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;font-size:21px;
  background:color-mix(in srgb,var(--c) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--c) 26%,transparent);
}
.dcard__name{font-family:var(--font-d);font-weight:600;font-size:1.01rem;letter-spacing:-.01em;line-height:1.25}
.dcard__zh{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.dcard__desc{font-size:12.8px;color:var(--text-2);line-height:1.6;flex:1}
.dcard__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.dcard__tags span{
  font-family:var(--font-m);font-size:10px;letter-spacing:.02em;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:2.5px 7px;
  transition:color .3s,border-color .3s;
}
.dcard:hover .dcard__tags span{color:var(--text-2);border-color:color-mix(in srgb,var(--c) 30%,transparent)}
.dcard__meter{display:flex;align-items:center;gap:9px;margin-top:15px}
.dcard__meter-label{font-family:var(--font-m);font-size:9px;letter-spacing:.18em;color:var(--text-3)}
.dcard__meter-track{flex:1;height:3px;border-radius:3px;background:rgba(255,255,255,.07);overflow:hidden}
.dcard__meter-track i{
  display:block;height:100%;width:0;border-radius:3px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--c) 55%,transparent),var(--c));
  transition:width 1.1s cubic-bezier(.16,1,.3,1) .25s;
}
.reveal.in .dcard__meter-track i,.dcard.in .dcard__meter-track i{width:var(--w,70%)}
.dcard__meter b{font-family:var(--font-m);font-size:10.5px;font-weight:500;color:var(--text-3)}

/* ============================================================
   INFRASTRUCTURE
   ============================================================ */
.infra__layout{display:grid;grid-template-columns:1fr 1.08fr;gap:56px;align-items:center}
.infra__features{display:flex;flex-direction:column;gap:14px}
.ifeat{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s,background .3s;
}
.ifeat:hover{transform:translateX(8px);border-color:var(--line-2);background:var(--glass-2)}
.ifeat__icon{
  width:46px;height:46px;flex:none;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(124,58,237,.14));
  border:1px solid rgba(34,211,238,.28);color:var(--cyan);
}
.ifeat__title{font-family:var(--font-d);font-weight:600;font-size:1.02rem;margin-bottom:4px}
.ifeat__desc{font-size:.88rem;color:var(--text-2)}

.terminal{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:rgba(6,9,22,.85);border:1px solid var(--line-2);
  box-shadow:0 30px 80px -20px rgba(60,40,180,.35),0 0 0 1px rgba(255,255,255,.02);
  font-family:var(--font-m);
}
.terminal::before{ /* glow rim */
  content:'';position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(120% 60% at 50% -10%,rgba(124,58,237,.14),transparent 60%);
}
.terminal__bar{
  display:flex;align-items:center;gap:8px;padding:13px 16px;
  background:rgba(255,255,255,.035);border-bottom:1px solid var(--line);
}
.terminal__dot{width:11px;height:11px;border-radius:50%}
.terminal__dot--r{background:#ff5f57}.terminal__dot--y{background:#febc2e}.terminal__dot--g{background:#28c840}
.terminal__title{margin-left:10px;font-size:11.5px;color:var(--text-3);letter-spacing:.04em}
.terminal__body{padding:20px 20px 24px;font-size:12.8px;line-height:1.9;min-height:335px}
.terminal__body .t-line{white-space:pre-wrap;word-break:break-word}
.t-p{color:var(--green)}      /* prompt $ */
.t-c{color:var(--text-2)}     /* command */
.t-o{color:var(--text-3)}     /* output */
.t-k{color:var(--cyan)}       /* highlight */
.t-w{color:var(--amber)}
.t-ok{color:var(--green)}
.terminal__caret{display:inline-block;width:7px;height:14px;vertical-align:-2px;background:var(--violet);animation:blink 1s steps(1) infinite}

/* ============================================================
   CTA
   ============================================================ */
.cta-section{padding:120px 24px}
.cta-box{position:relative;max-width:880px;margin:0 auto;border-radius:var(--radius-lg);padding:2px;overflow:hidden}
.cta-box__spin{
  position:absolute;inset:-120%;
  background:conic-gradient(from 0deg,transparent 0 32%,rgba(167,139,250,.65) 42%,rgba(34,211,238,.55) 50%,transparent 60% 100%);
  animation:spin 7s linear infinite;
}
@keyframes spin{to{transform:rotate(1turn)}}
.cta-box__inner{
  position:relative;border-radius:calc(var(--radius-lg) - 2px);text-align:center;
  padding:clamp(48px,7vw,84px) clamp(24px,5vw,64px);
  background:
    radial-gradient(90% 90% at 50% 0%,rgba(124,58,237,.16),transparent 55%),
    linear-gradient(180deg,#0a0e24 0%,#070a19 100%);
}
.cta-box__title{font-family:var(--font-d);font-weight:800;letter-spacing:-.02em;font-size:clamp(1.7rem,4vw,2.7rem);line-height:1.2;white-space:nowrap}
.cta-box__desc{max-width:620px;margin:20px auto 0;color:var(--text-2);font-size:clamp(.92rem,1.4vw,1.03rem)}
.cta-box__btn{margin-top:36px}

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop{
  position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:20px;
  background:rgba(3,5,12,.7);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transition:opacity .32s ease,visibility .32s;
}
.modal-backdrop.open{opacity:1;visibility:visible}
.modal{
  position:relative;width:min(680px,100%);max-height:88vh;overflow:auto;
  background:linear-gradient(180deg,#0b0f26,#070a19);
  border:1px solid var(--line-2);border-radius:var(--radius-lg);
  padding:clamp(34px,5vw,54px) clamp(24px,5vw,54px);text-align:center;
  transform:translateY(24px) scale(.97);transition:transform .38s cubic-bezier(.16,1,.3,1);
  box-shadow:0 40px 120px -20px rgba(0,0,0,.7),0 0 60px -18px rgba(124,58,237,.4);
}
.modal-backdrop.open .modal{transform:none}
.modal__close{
  position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;color:var(--text-3);border:1px solid var(--line);
  transition:color .25s,border-color .25s,transform .25s;font-size:15px;
}
.modal__close:hover{color:var(--text-1);border-color:var(--line-2);transform:rotate(90deg)}
.modal__title{font-family:var(--font-d);font-weight:800;font-size:clamp(1.5rem,3.4vw,2.1rem);letter-spacing:-.02em}
.modal__sub{margin:16px auto 0;max-width:480px;color:var(--text-2);font-size:.94rem}
.journey{display:flex;align-items:stretch;justify-content:center;gap:10px;margin:38px 0 8px;flex-wrap:nowrap}
.jstep{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:10px}
.jstep__num{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--font-m);font-size:14px;color:var(--violet);
  background:rgba(124,58,237,.12);border:1px solid rgba(167,139,250,.35);
  box-shadow:0 0 18px rgba(124,58,237,.18);
}
.jstep__label{font-size:12.5px;color:var(--text-2);line-height:1.4}
.journey__arrow{align-self:center;color:var(--text-3);flex:none;padding-bottom:20px}
.modal__btn{margin-top:30px;font-size:14px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{border-top:1px solid var(--line);padding:64px 24px 34px;background:linear-gradient(180deg,transparent,rgba(10,13,32,.6))}
.footer__inner{max-width:var(--max-w);margin:0 auto}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px}
.footer__logo{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:700;font-size:18px}
.footer__logo img{width:30px;height:30px;object-fit:contain}
.footer__tag{margin-top:14px;color:var(--text-3);font-size:.87rem;max-width:320px}
.footer__col h4{
  font-family:var(--font-m);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:18px;font-weight:500;
}
.footer__col a{display:block;color:var(--text-2);font-size:.9rem;padding:5px 0;transition:color .25s}
.footer__col a:hover{color:var(--text-1)}
.footer__bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--text-3);font-size:12.5px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .navbar__links{display:none}
  .navbar__cta{display:none}
  .nav-burger{display:block}
  .navbar .lang-sel{display:none}
  .infra__layout{grid-template-columns:1fr;gap:40px}
  .about__grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
}
@media (max-width:768px){
  .section{padding:78px 20px}
  .section__head{margin-bottom:44px}
  .hero{padding-top:calc(var(--nav-h) + 26px)}
  .hero__stats{gap:26px;margin-top:50px}
  .stat{min-width:88px}
  .domains__grid{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
  .dcard{padding:17px 15px 14px}
  .dcard__desc{display:none}
  .dcard__tags{display:none}
  .dcard__emoji{width:38px;height:38px;font-size:18px;border-radius:11px}
  .dcard__name{font-size:.9rem}
  .dcard{contain-intrinsic-size:auto 130px}
  .terminal__body{min-height:300px;font-size:11.5px}
  .journey{flex-direction:column;gap:16px}
  .journey__arrow{transform:rotate(90deg);padding:0}
  .jstep{flex-direction:row;gap:16px;text-align:left}
  .jstep__label{font-size:13.5px}
  .footer__grid{grid-template-columns:1fr;gap:34px}
  .hero__scroll{display:none}
  .orb--1{width:120vw;height:120vw;left:-40vw;top:-50vw}
  .orb--2{width:100vw;height:100vw;right:-45vw}
  .orb--3{display:none}
}
@media (max-width:400px){
  .cta-box__inner{padding-left:12px;padding-right:12px}
  .domains__grid{grid-template-columns:1fr 1fr}
  .btn{padding:13px 24px;font-size:14px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .mq__track{animation:none;flex-wrap:wrap;width:auto;justify-content:center}
  .dcard__meter-track i{width:var(--w,70%)}
  #hero-bg{opacity:1} /* shader renders a single static frame under reduced motion */
}