/* =============================================================================
   Dream High Education Academy
   Direction: a selection notice board. Condensed institutional display type,
   parade-ground red/black, dress-uniform khaki as the only tertiary hue.
   ========================================================================== */

:root{
  /* --- palette --- */
  --red:#D91F26;          /* brand red, from the logo */
  --red-hot:#F0333A;      /* red on dark ground */
  --red-deep:#8E1116;     /* oxblood, pressed states */
  --ink:#121214;          /* parade black */
  --ink-soft:#1C1D20;
  --slate:#2A2D33;        /* gunmetal, uniform grey */
  --paper:#F2EFEA;        /* certificate stock */
  --paper-2:#E7E2D9;
  --khaki:#B9AC93;        /* dress uniform khaki */
  --khaki-dim:#D8D1C3;
  --khaki-ink:#8A7F69;
  --body:#54555C;
  --white:#fff;

  /* --- type --- */
  --display:'Oswald','Khand',sans-serif;
  --display-np:'Khand','Oswald',sans-serif;
  --text:'Noto Sans Devanagari',system-ui,sans-serif;

  /* --- metrics --- */
  --wrap:1180px;
  --pad:24px;
  --head-h:88px;
  --sec-pad:104px;
  --ease:cubic-bezier(.22,.68,.32,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 8px)}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:var(--text);font-size:16px;line-height:1.7;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
dl,dd{margin:0}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.red{color:var(--red)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* -----------------------------------------------------------------------------
   Rank patch — three stacked bars, the recurring structural mark
   -------------------------------------------------------------------------- */
.rank{
  display:block;flex:none;width:22px;height:12px;
  background:repeating-linear-gradient(to bottom,var(--red) 0 2px,transparent 2px 5px);
}
.rank--light{background-image:repeating-linear-gradient(to bottom,var(--red-hot) 0 2px,transparent 2px 5px)}
.rank--khaki{background-image:repeating-linear-gradient(to bottom,var(--khaki) 0 2px,transparent 2px 5px)}

/* -----------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  padding:15px 26px;border:1.5px solid transparent;
  font-family:var(--display-np);font-size:18px;font-weight:600;line-height:1;
  letter-spacing:.005em;
  transition:background-color .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease),transform .22s var(--ease);
}
.btn svg{flex:none;transition:transform .28s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn--red{background:var(--red);color:#fff}
.btn--red:hover{background:var(--ink)}
.btn--line{border-color:var(--ink);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#fff}
.btn--light{border-color:rgba(255,255,255,.55);color:#fff}
.btn--light:hover{background:#fff;color:var(--red);border-color:#fff}
.btn--fill-light{background:#fff;color:var(--red)}
.btn--fill-light:hover{background:var(--ink);color:#fff}

/* -----------------------------------------------------------------------------
   Section scaffolding — asymmetric heads, label rail on the left
   -------------------------------------------------------------------------- */
.sec{padding:var(--sec-pad) 0}
.sec--paper{background:var(--paper)}
.sec--white{background:var(--white)}
.sec--ink{background:var(--ink)}

.sec-head{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:0 48px;
  align-items:start;margin-bottom:56px;
}
.sec-label{
  display:flex;align-items:center;gap:12px;padding-top:9px;
  font-family:var(--display-np);font-size:16px;font-weight:600;
  color:var(--khaki-ink);line-height:1;
}
.sec-title{
  font-family:var(--display-np);font-weight:700;
  font-size:clamp(30px,3.7vw,46px);line-height:1.1;letter-spacing:-.005em;
}
.sec-lede{
  max-width:56ch;margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--body);
}
.sec--ink .sec-title{color:#fff}
.sec--ink .sec-label{color:var(--khaki)}
.sec--ink .sec-lede{color:rgba(255,255,255,.62)}

/* -----------------------------------------------------------------------------
   Header — overlays the hero, then lands on paper once you scroll
   -------------------------------------------------------------------------- */
.header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--paper-2);
  transition:box-shadow .3s var(--ease);
}
.header.is-stuck{box-shadow:0 1px 0 var(--paper-2),0 14px 34px -26px rgba(18,18,20,.45)}
.header__inner{
  max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);
  height:var(--head-h);display:flex;align-items:center;gap:28px;
}
.brand{flex:none;display:flex;align-items:center}
.brand img{height:52px;width:auto}

.nav{margin-left:auto;display:flex;align-items:center;gap:30px}
.nav a{
  position:relative;padding:8px 0;
  font-family:var(--display-np);font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--red);
  transition:width .26s var(--ease);
}
.nav a:hover{color:var(--red)}
.nav a.is-active{color:var(--red)}
.nav a.is-active::after,.nav a:hover::after{width:100%}

.header__enquire{
  flex:none;margin-left:6px;padding:13px 24px;
  background:var(--red);color:#fff;
  font-family:var(--display-np);font-size:17px;font-weight:600;line-height:1.1;
  transition:background-color .22s var(--ease);
}
.header__enquire:hover{background:var(--ink)}

.burger{display:none;margin-left:auto;width:44px;height:44px;place-items:center}
.burger i{display:block;width:22px;height:2px;background:var(--ink);position:relative;transition:background .2s}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);transition:transform .24s var(--ease),top .24s var(--ease)}
.burger i::before{top:-7px}
.burger i::after{top:7px}
body.nav-open .burger i{background:transparent}
body.nav-open .burger i::before{top:0;transform:rotate(45deg)}
body.nav-open .burger i::after{top:0;transform:rotate(-45deg)}

/* -----------------------------------------------------------------------------
   Hero — one cinematic frame carries the message; the type stays out of its way.
   The image runs full height behind the overlay nav and is cut on the brand
   diagonal, with a red edge as the only ornament.
   -------------------------------------------------------------------------- */
.hero{
  position:relative;background:var(--white);overflow:hidden;
  min-height:min(78vh,700px);
  display:flex;align-items:center;
}
.hero__edge{
  position:absolute;z-index:0;top:0;right:0;bottom:0;width:58%;
  background:var(--red);
  clip-path:polygon(calc(9% - 7px) 0,100% 0,100% 100%,-7px 100%);
}
.hero__media{
  position:absolute;z-index:1;top:0;right:0;bottom:0;width:58%;overflow:hidden;
  clip-path:polygon(9% 0,100% 0,100% 100%,0 100%);
}
.hero__media img{
  width:100%;height:100%;object-fit:cover;object-position:50% 32%;
}
.hero__scrim{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.5) 0%,rgba(255,255,255,.12) 9%,transparent 22%);
}

.hero__inner{position:relative;z-index:2;width:100%}
.hero__copy{max-width:460px;padding:56px 0}

.hero__eyebrow{
  display:flex;align-items:center;gap:13px;margin-bottom:26px;
  font-family:var(--display-np);font-size:18px;font-weight:600;color:var(--khaki-ink);
}
.hero__eyebrow i{font-style:normal;color:var(--red-hot);margin:0 5px}

.hero__statement{
  font-family:var(--display-np);font-weight:700;
  font-size:clamp(42px,5.3vw,78px);line-height:1.12;letter-spacing:0;color:var(--ink);
}
.hero__statement span{color:var(--red)}

.hero__actions{
  display:flex;align-items:center;flex-wrap:wrap;gap:16px 30px;
  margin-top:40px;padding-top:34px;border-top:1px solid var(--paper-2);
}
.hero__link{
  position:relative;display:inline-flex;align-items:center;gap:9px;
  font-family:var(--display-np);font-size:18px;font-weight:600;color:var(--ink);
  padding-bottom:5px;
}
.hero__link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:rgba(18,18,20,.3);transform:scaleX(0);transform-origin:right;
  transition:transform .32s var(--ease),background-color .32s var(--ease);
}
.hero__link:hover::after{transform:scaleX(1);transform-origin:left;background:var(--red)}
.hero__link svg{transition:transform .28s var(--ease)}
.hero__link:hover svg{transform:translateX(5px)}
.hero__link:hover{color:var(--red)}

/* -----------------------------------------------------------------------------
   Courses — shoulder-board panels, photo full bleed under a scrim
   -------------------------------------------------------------------------- */
.roster{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.course{
  position:relative;display:block;overflow:hidden;background:var(--ink);
  aspect-ratio:6/10;isolation:isolate;
}
.course__img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(.34) contrast(1.06);
  transition:transform .68s var(--ease),filter .48s var(--ease);
}
.course::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,
    rgba(18,18,20,.96) 0%,rgba(18,18,20,.86) 26%,
    rgba(18,18,20,.42) 54%,rgba(18,18,20,.06) 82%,transparent 100%);
  transition:opacity .4s var(--ease);
}
.course::after{
  content:"";position:absolute;top:0;left:0;z-index:3;height:4px;width:100%;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .46s var(--ease);
}
.course__body{position:absolute;z-index:2;inset:auto 0 0 0;padding:22px 18px 20px}
.course__name{
  font-family:var(--display-np);font-size:22px;font-weight:700;color:#fff;
  line-height:1.2;margin-bottom:8px;
}
.course__desc{
  font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.66);
  margin-bottom:0;
}
.course__more{
  display:flex;align-items:center;gap:8px;margin-top:14px;
  font-family:var(--display-np);font-size:15.5px;font-weight:600;color:var(--red-hot);
  opacity:0;transform:translateY(8px);
  transition:opacity .34s var(--ease),transform .34s var(--ease);
}
.course:hover .course__img,.course:focus-visible .course__img{transform:scale(1.06);filter:grayscale(0) contrast(1.02)}
.course:hover::after,.course:focus-visible::after{transform:scaleX(1)}
.course:hover .course__more,.course:focus-visible .course__more{opacity:1;transform:none}

/* -----------------------------------------------------------------------------
   Method — asymmetric text block beside a contact sheet of four frames
   -------------------------------------------------------------------------- */
.method{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:72px;align-items:center}
.method__title{font-family:var(--display-np);font-size:clamp(28px,3.3vw,42px);font-weight:700;line-height:1.15;margin-bottom:20px}
.method__text{font-size:16.5px;line-height:1.85;max-width:52ch}
.method__list{margin:32px 0 34px;border-top:1px solid var(--paper-2)}
.method__list li{
  display:grid;grid-template-columns:22px minmax(0,1fr);gap:16px;align-items:start;
  padding:15px 0;border-bottom:1px solid var(--paper-2);
}
.method__list b{font-family:var(--display-np);font-size:17px;font-weight:600;color:var(--ink);display:block}
.method__list b + span{font-size:14.5px;line-height:1.6;color:var(--body);display:block;margin-top:2px}
.method__list .rank{margin-top:9px}

.sheet{
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
  background:var(--khaki-dim);padding:2px;
}
.sheet img{width:100%;aspect-ratio:1;object-fit:cover}
.sheet__cap{
  grid-column:1/-1;background:var(--white);padding:11px 13px;
  font-family:var(--display-np);font-size:16px;font-weight:600;color:var(--khaki-ink);
}

/* -----------------------------------------------------------------------------
   Standards band — full bleed gunmetal, typographic only
   -------------------------------------------------------------------------- */
.standards{background:var(--slate);color:#fff;padding:74px 0}
.standards__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.standards__item{padding:0 32px}
.standards__item:first-child{padding-left:0}
.standards__item:last-child{padding-right:0}
.standards__item + .standards__item{border-left:1px solid rgba(255,255,255,.16)}
.standards__item .rank{margin-bottom:16px}
.standards h3{
  font-family:var(--display-np);font-size:21px;font-weight:600;color:#fff;
  line-height:1.3;margin-bottom:8px;
}
.standards p{font-size:14px;line-height:1.65;color:rgba(255,255,255,.6)}

/* -----------------------------------------------------------------------------
   Selection wall — the signature. Native-resolution square frames on ink.
   -------------------------------------------------------------------------- */
.wall{border:1px solid rgba(255,255,255,.16)}
.wall__bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.16);
  font-family:var(--display-np);font-size:16px;font-weight:500;color:var(--khaki);
}
.wall__bar-np{
  font-family:var(--display-np);font-size:16px;font-weight:600;
  letter-spacing:0;text-transform:none;color:var(--khaki);
}
.wall__grid{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:1px;background:rgba(255,255,255,.16);
}
.frame{
  position:relative;display:block;padding:0;border:0;overflow:hidden;
  background:var(--ink);aspect-ratio:1;cursor:zoom-in;
}
.frame img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(.5) contrast(1.05) brightness(.94);
  transition:filter .42s var(--ease),transform .62s var(--ease);
}
.frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:var(--red);transform:scaleY(0);transform-origin:bottom;
  transition:transform .3s var(--ease);
}
.frame:hover img,.frame:focus-visible img{filter:none;transform:scale(1.05)}
.frame:hover::after,.frame:focus-visible::after{transform:scaleY(1)}
.frame__mark{
  position:absolute;z-index:2;right:9px;top:9px;
  width:24px;height:24px;display:grid;place-items:center;
  background:var(--red);color:#fff;
  opacity:0;transform:scale(.6);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.frame:hover .frame__mark,.frame:focus-visible .frame__mark{opacity:1;transform:none}

/* lightbox */
.lb{position:fixed;inset:0;z-index:200;display:none;background:rgba(10,10,11,.95);place-items:center;padding:40px}
.lb.is-open{display:grid}
.lb__stage{
  position:relative;width:min(86vw,412px);
  border:1px solid rgba(255,255,255,.22);background:var(--ink);
}
.lb img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;display:block}
.lb__cap{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 14px;border-top:1px solid rgba(255,255,255,.22);
}
.lb__cap span:first-child{font-family:var(--display-np);font-size:15px;font-weight:600;color:var(--khaki)}
.lb__cap span:last-child{
  font-family:var(--display-np);font-size:15px;font-weight:500;color:rgba(255,255,255,.55);
}
.lb__btn{
  position:absolute;width:50px;height:50px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#fff;
  transition:background-color .2s var(--ease);
}
.lb__btn:hover{background:var(--red)}
.lb__close{top:26px;right:26px}
.lb__prev{left:26px;top:50%;transform:translateY(-50%)}
.lb__next{right:26px;top:50%;transform:translateY(-50%)}


/* -----------------------------------------------------------------------------
   Contact — red field with a cut corner, phone number set as display type
   -------------------------------------------------------------------------- */
.contact{padding:0 0 var(--sec-pad)}
.contact__block{
  position:relative;background:var(--red);color:#fff;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 74px) 0,100% 74px,100% 100%,0 100%);
  display:grid;grid-template-columns:minmax(0,1fr) 400px;
}
.contact__main{padding:64px 48px 64px 56px}
.contact__label{
  display:flex;align-items:center;gap:12px;margin-bottom:22px;
  font-family:var(--display-np);font-size:16px;font-weight:600;color:rgba(255,255,255,.86);
}
.contact__title{
  font-family:var(--display-np);font-size:clamp(32px,4.2vw,52px);font-weight:700;
  color:#fff;line-height:1.08;margin-bottom:14px;
}
.contact__text{font-size:17px;line-height:1.75;color:rgba(255,255,255,.9);max-width:44ch;margin-bottom:34px}
.contact__phone{display:inline-flex;flex-direction:column;gap:6px}
.contact__phone small{
  font-family:var(--display-np);font-size:17px;font-weight:500;color:rgba(255,255,255,.8);line-height:1;
}
.contact__phone b{
  font-family:var(--display);font-size:clamp(38px,4.6vw,58px);font-weight:600;
  letter-spacing:.01em;line-height:1;color:#fff;
  transition:color .2s var(--ease);
}
.contact__phone:hover b{color:var(--ink)}

.contact__side{
  background:var(--red-deep);padding:48px 44px;
  display:flex;flex-direction:column;justify-content:center;gap:0;
}
.contact__row{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.2)}
.contact__row:first-child{padding-top:0}
.contact__row dt{
  font-family:var(--display-np);font-size:15px;font-weight:500;
  color:rgba(255,255,255,.66);margin-bottom:3px;line-height:1.2;
}
.contact__row dd{margin:0;font-family:var(--display-np);font-size:19px;font-weight:600;color:#fff;line-height:1.35}
.contact__side .btn{margin-top:30px;align-self:flex-start}

/* -----------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer{background:var(--ink);color:rgba(255,255,255,.6);padding:56px 0 0}
.footer__grid{display:grid;grid-template-columns:250px repeat(3,minmax(0,1fr));gap:44px;padding-bottom:44px}
.footer__brand img{height:58px;width:auto;margin-bottom:18px}
.footer__brand p{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.5);max-width:32ch}
.footer h4{
  font-family:var(--display-np);font-size:16px;font-weight:600;
  color:var(--khaki);margin-bottom:15px;
}
.footer__list li{margin-bottom:9px}
.footer__list a,.footer__list span{
  font-family:var(--display-np);font-size:17px;font-weight:500;color:rgba(255,255,255,.78);
  transition:color .2s var(--ease);
}
.footer__list a:hover{color:var(--red-hot)}
.footer__socials{display:flex;gap:9px;margin-top:18px}
.footer__socials a{
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:#fff;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.footer__socials a:hover{background:var(--red);border-color:var(--red)}
.footer__base{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.4);
}

/* -----------------------------------------------------------------------------
   Motion — one orchestrated hero sequence, restrained reveals elsewhere
   -------------------------------------------------------------------------- */
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes plateIn{from{opacity:0;transform:scale(1.055)}to{opacity:1;transform:none}}

.hero__media,.hero__edge{animation:plateIn 1.3s var(--ease) both}
.hero__eyebrow,.hero__statement,.hero__actions{animation:rise .8s var(--ease) both}
.hero__eyebrow{animation-delay:.26s}
.hero__statement{animation-delay:.38s}
.hero__actions{animation-delay:.58s}

[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
.frame{opacity:0;transform:scale(.94);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.frame.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  [data-reveal],.frame{opacity:1;transform:none}
  .hero__media,.hero__edge{opacity:1;transform:none}
}

/* -----------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width:1180px){
  .hero__copy{max-width:420px}
  .nav{gap:22px}
  .nav a{font-size:16px}
  .nav{gap:24px}
  .method{grid-template-columns:minmax(0,1fr) 380px;gap:48px}
}
@media (max-width:1060px){
  :root{--sec-pad:84px}
  .hero{min-height:min(84vh,720px)}
  .hero__edge,.hero__media{width:52%}
  .hero__copy{max-width:400px;padding:44px 0 52px}
  .roster{grid-template-columns:repeat(3,minmax(0,1fr))}
  .wall__grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .standards__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
  .standards__item{padding:26px 32px}
  .standards__item:nth-child(odd){padding-left:0}
  .standards__item:nth-child(even){padding-right:0}
  .standards__item:nth-child(3){border-left:0}
  .standards__item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.16)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:940px){
  :root{--head-h:72px}
  /* the frame leads, cut on the diagonal; the copy reads on white below it */
  .hero{display:block;min-height:0}
  .hero__edge{
    top:0;left:0;right:0;bottom:auto;width:auto;
    height:min(42vh,320px);
    clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),0 100%);
  }
  .hero__media{
    position:relative;width:100%;height:min(42vh,320px);
    clip-path:polygon(0 0,100% 0,100% calc(100% - 29px),0 calc(100% - 7px));
  }
  .hero__media img{object-position:52% 24%}
  .hero__scrim{display:none}
  .hero__copy{max-width:none;padding:30px 0 46px}
  .hero__eyebrow{margin-bottom:20px}
  .hero__actions{margin-top:28px;padding-top:26px;gap:14px 24px}
  .brand img{height:44px}
  .burger{display:grid}
  .nav{
    position:fixed;left:0;right:0;top:var(--head-h);
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:6px var(--pad) 20px;margin:0;
    border-bottom:1px solid var(--paper-2);
    box-shadow:0 20px 34px -20px rgba(18,18,20,.5);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
    max-height:calc(100vh - var(--head-h));overflow:auto;
  }
  body.nav-open .nav{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:14px 2px;border-bottom:1px solid var(--paper-2);font-size:18px}
  .nav a::after{display:none}
  .hero__inner{padding-top:52px}
  .sec-head{grid-template-columns:1fr;gap:14px;margin-bottom:40px}
  .sec-label{padding-top:0}
  .method{grid-template-columns:1fr;gap:44px}
  .contact__block{grid-template-columns:1fr;clip-path:polygon(0 0,calc(100% - 52px) 0,100% 52px,100% 100%,0 100%)}
  .contact__main{padding:52px 32px 44px}
  .contact__side{padding:38px 32px 42px}
}
@media (max-width:720px){
  .hero{min-height:min(86vh,620px)}
  .hero__eyebrow{font-size:16px;gap:10px}
  .hero__eyebrow i{margin:0 3px}
  :root{--sec-pad:66px;--pad:20px}
  .roster{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .wall__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .standards__grid{grid-template-columns:1fr}
  .standards__item{padding:22px 0!important;border-left:0!important}
  .standards__item + .standards__item{border-top:1px solid rgba(255,255,255,.16)}
  .sheet{max-width:420px}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .lb{padding:16px}
  .lb__prev{left:6px}
  .lb__next{right:6px}
  .lb__close{top:12px;right:12px}
}
@media (max-width:520px){
  .hero__actions{flex-direction:column;align-items:stretch;gap:16px}
  .hero__actions .btn{justify-content:center}
  .hero__link{justify-content:center}
  .roster{grid-template-columns:1fr;max-width:330px;margin-inline:auto}
  .course{aspect-ratio:5/4}
  .wall__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero__actions .btn{flex:1 1 100%;justify-content:center}
  .footer__base{font-size:11px}
}