/* ==========================================================================
   Ice On Storm — blizzard whiteout design system
   Palette
     --whiteout   #F2F5F7   pale grey-white base
     --drift      #FFFFFF   panel white
     --sleet      #DCE4EA   soft grey edge
     --gale       #A9B8C4   mid grey linework
     --slate      #1B2A3A   deep slate-blue ink
     --slate-mid  #445A70    secondary ink
     --cyan       #00C2DC   icy-cyan accent
     --cyan-deep  #0090A8   accent pressed
   ========================================================================== */

:root{
  --whiteout:#F2F5F7;
  --drift:#FFFFFF;
  --sleet:#DCE4EA;
  --gale:#A9B8C4;
  --slate:#1B2A3A;
  --slate-mid:#445A70;
  --cyan:#00C2DC;
  --cyan-deep:#0090A8;
  --warn:#C0452F;
  --good:#1E7A5F;

  --display:"Saira Condensed",  "Arial Narrow", sans-serif;
  --body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --shell:1180px;
  --gut:clamp(18px,4vw,44px);
  --r:4px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--whiteout);
  color:var(--slate);
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  overflow-x:hidden;
}

/* --- the signature device: diagonal wind streaks ------------------------- */
.windfield{
  position:relative;
  background-image:
    repeating-linear-gradient(112deg,
      rgba(169,184,196,.00) 0px,
      rgba(169,184,196,.00) 22px,
      rgba(169,184,196,.34) 22px,
      rgba(169,184,196,.34) 23px,
      rgba(169,184,196,.00) 23px,
      rgba(169,184,196,.00) 57px),
    repeating-linear-gradient(112deg,
      rgba(0,194,220,.00) 0px,
      rgba(0,194,220,.00) 138px,
      rgba(0,194,220,.42) 138px,
      rgba(0,194,220,.42) 140px,
      rgba(0,194,220,.00) 140px,
      rgba(0,194,220,.00) 300px);
}
.windfield::after{ /* snow-drift gradient softening the panel edges */
  content:"";
  position:absolute;inset:0;z-index:0;
  pointer-events:none;
  background:
    linear-gradient(to bottom, var(--whiteout) 0%, rgba(242,245,247,0) 26%, rgba(242,245,247,0) 74%, var(--whiteout) 100%),
    linear-gradient(to right, var(--whiteout) 0%, rgba(242,245,247,0) 9%, rgba(242,245,247,0) 91%, var(--whiteout) 100%);
}
.windfield > *{position:relative;z-index:1} /* content sits above the drift */
.streak-rule{
  height:14px;border:0;margin:0;
  background-image:repeating-linear-gradient(112deg,
    var(--gale) 0 1px, transparent 1px 16px);
  opacity:.75;
}

/* --- type ---------------------------------------------------------------- */
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  letter-spacing:.012em;
  line-height:1.03;
  margin:0 0 .5em;
  text-transform:uppercase;
}
h1{font-size:clamp(2.7rem,7.2vw,5.1rem)}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.55rem)}
h4{font-size:1.05rem;letter-spacing:.06em}
p{margin:0 0 1.05em}
a{color:var(--cyan-deep)}
a:hover{color:var(--slate)}

/* icy-cyan underline accent on key headings */
.gust{position:relative;display:inline-block;padding-bottom:.18em}
.gust::after{
  content:"";position:absolute;left:0;bottom:0;
  width:100%;height:3px;
  background:linear-gradient(90deg,var(--cyan) 0%, var(--cyan) 62%, rgba(0,194,220,0) 100%);
  transform:skewX(-24deg);transform-origin:left;
}
.eyebrow{
  font-family:var(--display);
  text-transform:uppercase;
  letter-spacing:.32em;
  font-size:.78rem;
  font-weight:600;
  color:var(--cyan-deep);
  margin:0 0 .9rem;
}
.lede{font-size:clamp(1.05rem,1.7vw,1.22rem);color:var(--slate-mid);max-width:62ch}

/* --- layout -------------------------------------------------------------- */
.shell{max-width:var(--shell);margin:0 auto;padding:0 var(--gut)}
.band{padding:clamp(52px,7vw,92px) 0;position:relative}
.band--pale{background:var(--drift);border-block:1px solid var(--sleet)}
.grid{display:grid;gap:clamp(18px,2.4vw,30px)}
@media(min-width:760px){
  .grid--2{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(3,1fr)}
}

/* --- header -------------------------------------------------------------- */
.masthead{
  position:sticky;top:0;z-index:60;
  background:rgba(242,245,247,.96);
  border-bottom:1px solid var(--sleet);
}
.masthead__in{
  max-width:var(--shell);margin:0 auto;padding:0 var(--gut);
  display:flex;align-items:center;justify-content:space-between;
  min-height:70px;gap:18px;
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--slate)}
.brand__mark{
  width:34px;height:34px;flex:none;
  background:var(--slate);
  background-image:repeating-linear-gradient(112deg,
    var(--cyan) 0 2px, transparent 2px 7px);
  border-radius:2px;
}
.brand__word{
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  font-size:1.34rem;letter-spacing:.09em;line-height:1;
}
.brand__word em{font-style:normal;color:var(--cyan-deep)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  font-family:var(--display);text-transform:uppercase;letter-spacing:.11em;
  font-size:.92rem;font-weight:600;text-decoration:none;color:var(--slate-mid);
  padding:9px 11px;border-radius:var(--r);
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--slate);background:var(--sleet)}
.navtoggle{
  display:none;background:var(--drift);border:1px solid var(--gale);
  color:var(--slate);font-family:var(--display);text-transform:uppercase;
  letter-spacing:.12em;font-size:.86rem;font-weight:600;
  padding:9px 14px;border-radius:var(--r);cursor:pointer;
}
@media(max-width:880px){
  .navtoggle{display:block}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--drift);border-bottom:2px solid var(--cyan);
    padding:8px var(--gut) 16px;
    box-shadow:0 18px 30px -22px rgba(27,42,58,.5);
  }
  .nav.is-open{display:flex}
  .nav a{padding:13px 4px;border-bottom:1px solid var(--sleet);font-size:1rem}
}

/* --- buttons ------------------------------------------------------------- */
.btn{
  display:inline-block;cursor:pointer;text-decoration:none;
  font-family:var(--display);text-transform:uppercase;font-weight:700;
  letter-spacing:.13em;font-size:.98rem;
  padding:14px 26px;border-radius:var(--r);border:2px solid var(--slate);
  background:var(--slate);color:var(--drift);
  transition:transform .12s ease, background .12s ease;
}
.btn:hover{background:var(--cyan-deep);border-color:var(--cyan-deep);color:#fff;transform:translateX(3px)}
.btn--ghost{background:transparent;color:var(--slate);border-color:var(--gale)}
.btn--ghost:hover{background:var(--slate);border-color:var(--slate);color:var(--drift)}
.btn[disabled],.btn:disabled{opacity:.42;cursor:not-allowed;transform:none}

/* --- hero ---------------------------------------------------------------- */
.hero{padding:clamp(46px,6vw,82px) 0 clamp(40px,5vw,64px);overflow:hidden}
.hero__grid{display:grid;gap:clamp(26px,4vw,52px);align-items:center}
@media(min-width:980px){.hero__grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}}
.hero h1{margin-bottom:.28em}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}
.hero h1 span{display:block;color:var(--cyan-deep)}
.hero__media{
  margin:0;
  border-radius:6px;
  overflow:hidden;
  border:1px solid var(--sleet);
  background:var(--slate);
  box-shadow:0 24px 48px -28px rgba(27,42,58,.55);
}
.hero__media img{
  display:block;width:100%;height:auto;
  aspect-ratio:1;object-fit:cover;object-position:center;
}
@media(max-width:979px){.hero__media{max-width:480px;width:100%;margin-inline:auto}}
#play{scroll-margin-top:90px}
#play .table{max-width:720px;margin-inline:auto}

/* --- cards / panels ------------------------------------------------------ */
.panel{
  background:var(--drift);
  border:1px solid var(--sleet);
  border-left:3px solid var(--cyan);
  border-radius:var(--r);
  padding:clamp(20px,2.6vw,30px);
}
.panel h3{margin-bottom:.4em}
.panel p:last-child{margin-bottom:0}
.tile{
  background:var(--drift);border:1px solid var(--sleet);border-radius:var(--r);
  padding:clamp(20px,2.4vw,28px);position:relative;overflow:hidden;
}
.tile::before{
  content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;
  background-image:repeating-linear-gradient(112deg,var(--sleet) 0 1px, transparent 1px 11px);
}
.tile__n{
  font-family:var(--display);font-size:2.2rem;font-weight:700;color:var(--cyan);
  line-height:1;display:block;margin-bottom:.28em;
}

/* --- trust strip --------------------------------------------------------- */
.trust{background:var(--slate);color:#D7E3EC;padding:26px 0}
.trust__in{
  max-width:var(--shell);margin:0 auto;padding:0 var(--gut);
  display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;justify-content:center;
  text-align:center;
}
.trust span{
  font-family:var(--display);text-transform:uppercase;letter-spacing:.16em;
  font-size:.83rem;font-weight:600;
}
.trust span::before{content:"◆";color:var(--cyan);margin-right:9px;font-size:.6em;vertical-align:middle}

/* --- notice -------------------------------------------------------------- */
.notice{
  border:1px solid var(--gale);border-top:3px solid var(--cyan);
  background:var(--drift);padding:18px 22px;border-radius:var(--r);
  font-size:.95rem;color:var(--slate-mid);
}
.notice strong{color:var(--slate)}

/* --- prose --------------------------------------------------------------- */
.prose{max-width:70ch}
.prose h2{margin-top:1.7em}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.25em}
.prose li{margin-bottom:.45em}
.prose li::marker{color:var(--cyan-deep)}

/* --- faq ----------------------------------------------------------------- */
.faq{border-top:1px solid var(--sleet);padding:22px 0}
.faq h3{margin-bottom:.35em}
.faq p:last-child{margin-bottom:0}

/* --- footer -------------------------------------------------------------- */
.foot{background:var(--slate);color:#B9CAD6;padding:clamp(44px,5vw,64px) 0 30px;font-size:.93rem}
.foot a{color:#DCE9F1;text-decoration:none;border-bottom:1px solid rgba(0,194,220,.5)}
.foot a:hover{color:var(--cyan)}
.foot__grid{display:grid;gap:30px}
@media(min-width:800px){.foot__grid{grid-template-columns:1.5fr 1fr 1fr}}
.foot h4{color:#fff;letter-spacing:.2em;font-size:.82rem;margin-bottom:1em}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:.55em}
.foot .brand__word{color:#fff}
.foot__base{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(169,184,196,.28);
  font-size:.85rem;color:#8FA5B4;
}
.agebadge{
  display:inline-block;border:2px solid var(--cyan);color:#fff;
  font-family:var(--display);font-weight:700;letter-spacing:.1em;
  padding:3px 11px;border-radius:2px;margin-right:10px;font-size:.9rem;
}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--drift);padding:10px 16px;z-index:200}