/* ================================================================
   SEQUENZA — cinematic design system
   Palette: Sequenza brand. Type: Space Grotesk display / Inter text.
   ================================================================ */
:root{
  --cyan:#00B5FF; --blue:#2563EB; --purple:#8B5CF6; --magenta:#D946EF;
  --bg:#020308; --panel:rgba(255,255,255,.028);
  --ink:#F4F6FF; --muted:rgba(233,238,255,.6); --faint:rgba(233,238,255,.38);
  --line:rgba(255,255,255,.07);
  --grad:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple),var(--magenta));
  --disp:'Space Grotesk',sans-serif; --text:'Inter',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--text);background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6}
::selection{background:var(--purple);color:#fff}
a{-webkit-tap-highlight-color:transparent}
img{max-width:100%}
button,input,select,textarea{font-family:inherit}

/* ---------- backdrop ---------- */
#sky{position:fixed;inset:0;z-index:-2;pointer-events:none}
.vignette{position:fixed;inset:0;z-index:20;pointer-events:none;
  background:radial-gradient(ellipse at 50% 40%,transparent 52%,rgba(0,0,0,.55) 100%)}
.grain{position:fixed;inset:-50%;z-index:21;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='280' height='280'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  animation:grain 8s steps(6) infinite}
@keyframes grain{0%,100%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-2%)}80%{transform:translate(3%,3%)}}

/* ---------- intro curtain ---------- */
.intro{position:fixed;inset:0;z-index:100;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .8s var(--ease) .1s,visibility 0s 1s}
body.loaded .intro{opacity:0;visibility:hidden}
.intro span{font-family:var(--disp);font-weight:700;font-size:clamp(1.6rem,4vw,2.6rem);
  letter-spacing:.42em;text-indent:.42em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:introPulse 1.6s var(--ease) infinite alternate}
@keyframes introPulse{from{opacity:.5;filter:blur(1px)}to{opacity:1;filter:blur(0)}}

/* scroll progress */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:70;pointer-events:none}
.progress i{display:block;height:100%;width:100%;background:var(--grad);
  transform:scaleX(0);transform-origin:left}

/* ---------- header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:60;
  transition:transform .5s var(--ease),background .4s,box-shadow .4s}
header.scrolled{background:rgba(2,3,8,.66);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:0 1px 0 var(--line)}
header.hidden{transform:translateY(-110%)}
.nav-inner{max-width:1320px;margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:center;gap:1rem}
.brand{display:flex;align-items:center;gap:.85rem;text-decoration:none}
.brand img{height:42px;border-radius:10px;display:block;
  box-shadow:0 0 0 1px rgba(255,255,255,.09),0 6px 24px rgba(37,99,235,.35)}
.brand b{font-family:var(--disp);font-weight:700;font-size:1.05rem;letter-spacing:.22em;color:var(--ink)}
.brand small{display:block;font-size:.55rem;font-weight:600;letter-spacing:.34em;color:var(--cyan);margin-top:.1rem}
nav.links{display:none;margin-left:auto;align-items:center;gap:1.9rem}
nav.links a{position:relative;text-decoration:none;color:var(--muted);font-size:.85rem;font-weight:500;
  padding:.3rem 0;transition:color .25s}
nav.links a::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:100%;background:var(--grad);
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
nav.links a:hover{color:var(--ink)}
nav.links a:hover::after,nav.links a.active::after{transform:scaleX(1)}
nav.links a.active{color:var(--ink)}

.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.65rem;
  font-family:var(--disp);font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;border:none;
  border-radius:999px;padding:1.05rem 2.1rem;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s,background-color .3s;
  will-change:transform}
.btn-primary{color:#fff;
  background-image:linear-gradient(110deg,var(--cyan),var(--blue) 34%,var(--purple) 66%,var(--magenta));
  background-size:170% 100%;box-shadow:0 10px 36px rgba(37,99,235,.4)}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);
  box-shadow:0 16px 50px rgba(139,92,246,.55)}
.btn-primary::before{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%);
  transform:translateX(-130%)}
.btn-primary:hover::before{animation:shine .9s var(--ease)}
@keyframes shine{to{transform:translateX(130%)}}
.btn-primary .arrow{transition:transform .3s var(--ease)}
.btn-primary:hover .arrow{transform:translateX(5px)}
.btn-ghost{color:var(--ink);background:rgba(255,255,255,.035);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(0,181,255,.5);
  background:rgba(0,181,255,.07);box-shadow:0 10px 34px rgba(0,181,255,.16)}
.nav-cta{display:none;margin-left:.6rem;padding:.68rem 1.5rem;font-size:.85rem}
.burger{margin-left:auto;display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.5rem}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;top:0;left:0;right:0;z-index:59;background:rgba(2,3,8,.96);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:5.6rem 2rem 2.4rem;
  display:flex;flex-direction:column;transform:translateY(-102%);transition:transform .5s var(--ease);
  border-bottom:1px solid var(--line)}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{text-decoration:none;color:var(--ink);font-family:var(--disp);font-weight:600;
  font-size:1.3rem;padding:.75rem 0;border-bottom:1px solid var(--line)}
.mobile-menu a.btn{border-bottom:none;margin-top:1.1rem;font-size:1rem}
@media (min-width:1020px){nav.links{display:flex}.nav-cta{display:inline-flex}.burger,.mobile-menu{display:none}}

/* ---------- shared chrome ---------- */
.wrap{max-width:1320px;margin:0 auto;padding:0 1.5rem}
.eyebrow{display:inline-flex;align-items:center;gap:.9rem;font-size:.68rem;font-weight:700;
  letter-spacing:.4em;color:var(--cyan);text-transform:uppercase}
.eyebrow::before{content:"";width:2.6rem;height:1px;background:var(--grad)}
.eyebrow.center::after{content:"";width:2.6rem;height:1px;background:var(--grad)}
h2{font-family:var(--disp);font-weight:700;letter-spacing:-.02em;line-height:1.05;
  font-size:clamp(2.2rem,5.2vw,4.2rem);margin:1.1rem 0 1.4rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sub{color:var(--muted);font-size:clamp(1rem,1.4vw,1.15rem);max-width:42em}

/* reveals */
.rv{opacity:0;transform:translateY(42px)}
.rv.in{transition:opacity 1s var(--ease),transform 1s var(--ease);opacity:1;transform:none}
.rv[data-delay="1"].in{transition-delay:.1s}.rv[data-delay="2"].in{transition-delay:.2s}
.rv[data-delay="3"].in{transition-delay:.3s}.rv[data-delay="4"].in{transition-delay:.4s}

/* ---------- subpage hero ---------- */
.page-hero{position:relative;padding:11rem 1.5rem 5.5rem;text-align:center}
.page-hero h1{font-family:var(--disp);font-weight:700;letter-spacing:-.025em;line-height:1.02;
  font-size:clamp(2.6rem,7vw,5.4rem);margin:1.3rem auto 1.6rem;max-width:14em}
.page-hero .sub{margin:0 auto}
.page-hero .cta-row{margin-top:2.4rem}
.hload{opacity:0;transform:translateY(26px);filter:blur(5px)}
body.loaded .hload{animation:hrise 1s var(--ease) forwards;animation-delay:calc(.35s + var(--d,0)*.13s)}
@keyframes hrise{to{opacity:1;transform:none;filter:blur(0)}}
.cta-row{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}

/* ---------- cards ---------- */
.card{position:relative;border:1px solid var(--line);border-radius:1.2rem;padding:1.9rem 1.9rem 1.7rem;
  background:var(--panel);overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s}
.card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.35);
  box-shadow:0 24px 70px rgba(37,99,235,.18)}
.card::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(139,92,246,.14),transparent 60%)}
.card:hover::before{opacity:1}
.card h4{font-family:var(--disp);font-weight:700;font-size:1.25rem;margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.97rem}
.chip{display:inline-flex;align-items:center;gap:.6rem;font-size:.62rem;font-weight:700;
  letter-spacing:.3em;text-transform:uppercase;color:var(--cyan);
  border:1px solid rgba(0,181,255,.25);border-radius:999px;padding:.4rem .95rem;
  background:rgba(0,181,255,.05)}

/* ---------- closer + footer ---------- */
.closer{position:relative;padding:10rem 1.5rem;text-align:center;border-top:1px solid var(--line);overflow:hidden}
.closer .halo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(90vw,900px);aspect-ratio:2/1;border-radius:50%;
  background:radial-gradient(ellipse,rgba(37,99,235,.22),rgba(139,92,246,.1) 45%,transparent 70%);
  filter:blur(30px);pointer-events:none}
.closer h2{margin:0 auto 1.2rem;max-width:16em}
.closer .sub{margin:0 auto 2.6rem}

footer{border-top:1px solid var(--line);padding:4.5rem 0 2.4rem;position:relative}
footer::before{content:"";position:absolute;top:-1px;left:12%;right:12%;height:1px;
  background:var(--grad);opacity:.6}
.fgrid{display:grid;grid-template-columns:1fr;gap:2.6rem}
@media (min-width:860px){.fgrid{grid-template-columns:1.3fr 1fr 1fr 1fr}}
.fbrand img{height:44px;border-radius:10px;box-shadow:0 0 0 1px rgba(255,255,255,.08)}
.fbrand p{color:var(--faint);font-size:.86rem;margin-top:1rem;max-width:24em}
footer h5{font-size:.66rem;font-weight:700;letter-spacing:.32em;text-transform:uppercase;
  color:var(--faint);margin-bottom:1.1rem}
footer ul{list-style:none}
footer li{margin-bottom:.65rem}
footer a{color:var(--muted);text-decoration:none;font-size:.9rem;transition:color .25s}
footer a:hover{color:var(--ink)}
footer .values li{font-size:.9rem;font-weight:600;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.legal{margin-top:3.2rem;padding-top:1.6rem;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between}
.legal p{color:var(--faint);font-size:.8rem}
.status{display:flex;align-items:center;gap:.55rem;color:var(--faint);font-size:.63rem;font-weight:700;
  letter-spacing:.3em;text-transform:uppercase;white-space:nowrap}
.status i{width:7px;height:7px;border-radius:50%;background:#2BD576;box-shadow:0 0 10px rgba(43,213,118,.9);
  animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:.45rem;text-align:left}
.field label{font-size:.68rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--faint)}
.field input,.field select,.field textarea{
  background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:.8rem;
  color:var(--ink);font-size:.98rem;padding:.95rem 1.1rem;outline:none;
  transition:border-color .3s,box-shadow .3s,background .3s}
.field textarea{min-height:7.5rem;resize:vertical}
.field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300B5FF' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 1.1rem center}
.field select option{background:#0a0c16;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(0,181,255,.55);box-shadow:0 0 0 3px rgba(0,181,255,.12);background:rgba(0,181,255,.04)}
.field .err{color:#FF6B8A;font-size:.78rem;display:none}
.field.invalid input,.field.invalid textarea{border-color:rgba(255,107,138,.6)}
.field.invalid .err{display:block}

/* utility */
.tcenter{text-align:center}
.mt2{margin-top:2rem}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s !important;animation-delay:0s !important;transition-duration:.001s !important;
    animation-iteration-count:1 !important}
  .hload,.rv{opacity:1 !important;transform:none !important;filter:none !important}
  .intro{display:none}
}