/* Etango Academy: "A bright future begins here."
   Night over the Namib turns to sunrise as you scroll. Colours come from the
   Etango logo (teal and sun gold); the dune crest in the hero is the logo's curve. */

:root{
  --night:#04262C;
  --teal:#054B55;
  --teal-2:#0B6470;
  --gold:#E8AE30;
  --gold-hover:#F2C14E;
  --gold-muted:rgba(232,174,48,.28);
  --dune:#D9733F;
  --sand:#F1E7D6;
  --mist:#E6EEEC;
  --ink:#072F36;
  --ink-2:#3E5B5F;
  --text-primary:#F5EFE4;
  --text-secondary:#A9C3C2;

  --display:"Young Serif", Georgia, "Times New Roman", serif;
  --body:"Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:"DM Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --gx:clamp(20px, 6vw, 88px);
  --tshadow:0 1px 2px rgba(2,16,20,.95), 0 3px 12px rgba(2,16,20,.78), 0 10px 44px rgba(2,16,20,.8);
}

/* ---------- Base ---------- */
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{overflow-x:hidden;overflow-x:clip;margin:0;background:var(--sand);color:var(--ink);font:400 1.0625rem/1.65 var(--body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg{display:block;max-width:100%}
h1,h2,h3{text-wrap:balance;font-weight:400}
p{text-wrap:pretty}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
main:focus{outline:none}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:-80px;z-index:100;padding:.7rem 1rem;border-radius:10px;background:var(--gold);color:var(--night);font-weight:700;text-decoration:none;transition:top .2s var(--ease)}
.skip:focus{top:calc(12px + env(safe-area-inset-top, 0px))}

/* One environment behind the whole page: a slow drift of sun haze and grain. */
.env{position:fixed;inset:-12%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(38% 32% at 72% 18%, rgba(232,174,48,.17), transparent 70%),
    radial-gradient(34% 30% at 18% 78%, rgba(11,100,112,.10), transparent 70%);
  animation:env-drift 72s ease-in-out -18s infinite alternate}
.env::after{content:"";position:absolute;inset:0;opacity:.07;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes env-drift{to{transform:translate3d(-4%,3%,0) scale(1.04)}}

.wrap{width:min(1240px,100%);margin-inline:auto;padding-left:max(16px, var(--gx), env(safe-area-inset-left, 0px));padding-right:max(16px, var(--gx), env(safe-area-inset-right, 0px));box-sizing:border-box}

/* ---------- Type helpers ---------- */
.eyebrow{display:flex;align-items:center;gap:.65rem;margin:0;font:500 .78rem/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.eyebrow::before{content:"";flex:none;width:16px;height:8px;border-radius:16px 16px 0 0;background:var(--gold)}
.eyebrow--light{color:var(--gold)}
.h2{margin:.7rem 0 0;font:400 clamp(2.1rem,4.2vw,3.5rem)/1.08 var(--display);letter-spacing:-.01em;color:var(--ink);max-width:18ch}
.dark .h2,.click .h2{color:var(--text-primary)}
.lede{margin:1.1rem 0 0;font-size:clamp(1.08rem,1.4vw,1.25rem);line-height:1.6;color:var(--text-secondary);max-width:44ch}
.lede--dark{color:var(--ink-2)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.8rem 1.45rem;box-sizing:border-box;border:2px solid transparent;border-radius:999px;font:600 1rem/1.1 var(--body);text-decoration:none;cursor:pointer;text-shadow:none;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn--gold{background:var(--gold);color:var(--night);box-shadow:0 10px 28px -14px rgba(232,174,48,.9)}
.btn--gold:hover{background:var(--gold-hover);box-shadow:0 14px 34px -14px rgba(232,174,48,1)}
.btn--ghost{background:transparent;border-color:rgba(245,239,228,.6);color:var(--text-primary)}
.btn--ghost:hover{background:rgba(245,239,228,.12);border-color:var(--text-primary)}
.btn--teal{background:var(--teal);color:var(--text-primary)}
.btn--teal:hover{background:var(--teal-2)}
.btn--sm{min-height:40px;padding:.55rem 1.05rem;font-size:.92rem}
.btn--block{width:100%}
.linklike{padding:0;border:0;background:none;color:inherit;font:inherit;cursor:pointer;text-align:left}
@media (pointer:coarse){.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}}

/* ---------- Navigation ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;padding-top:env(safe-area-inset-top, 0px);color:var(--text-primary)}
.nav::before,.nav::after{content:"";position:absolute;inset:0;pointer-events:none;transition:opacity .45s var(--ease)}
.nav::before{background:linear-gradient(180deg,rgba(2,22,26,.6),rgba(2,22,26,0))}
.nav::after{background:rgba(4,38,44,.9);-webkit-backdrop-filter:saturate(1.3) blur(14px);backdrop-filter:saturate(1.3) blur(14px);border-bottom:1px solid rgba(169,195,194,.14);opacity:0}
.nav.solid::after{opacity:1}
.nav.solid::before{opacity:0}
.nav__inner{position:relative;z-index:1;display:flex;align-items:center;gap:1.75rem;height:72px;width:min(1400px,100%);margin-inline:auto;box-sizing:border-box;padding-left:max(16px, var(--gx), env(safe-area-inset-left, 0px));padding-right:max(16px, var(--gx), env(safe-area-inset-right, 0px))}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;flex:none}
.brand__mark{width:40px;height:auto}
.brand__word{width:150px;height:auto}
.nav__links{display:flex;gap:1.75rem;margin-left:auto}
.nav__links a{position:relative;color:var(--text-primary);text-decoration:none;font-weight:500;font-size:.98rem}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__actions{display:flex;gap:.6rem;flex:none}
.nav__actions .sm{display:none}
@media (max-width:900px){.nav__links{display:none}.nav__actions{margin-left:auto}}
@media (max-width:520px){
  .nav__inner{gap:.6rem;height:64px}
  .brand__word{width:108px}
  .brand__mark{width:32px}
  .nav__actions{gap:.45rem}
  .nav__actions .btn{padding-inline:.85rem}
  .nav__actions .lg{display:none}
  .nav__actions .sm{display:inline}
}
@media (max-width:350px){.brand__word{display:none}}

/* ---------- Hero: the scroll journey ----------
   Default (no script, or a static gate): the stage rests on the sunrise still
   with the settle copy showing. Script adds .scrub to run the journey. */
.hero{position:relative;background:var(--night)}
.stage{position:relative;height:100vh;height:100svh;min-height:600px;overflow:hidden;isolation:isolate;
  background:var(--night) url('../video/hero-ending.jpg') 62% 50%/cover no-repeat}
.hero.scrub{height:680vh}
.hero.scrub .stage{position:sticky;top:0;background:var(--night)}
.stills,.still,.hero__video,.scrim{position:absolute;inset:0;pointer-events:none}
.still{background:62% 50%/cover no-repeat}
.still--end{opacity:0}
.hero__video{z-index:1;width:100%;height:100%;object-fit:cover;object-position:62% 50%;opacity:0;transform:translateZ(0);transition:opacity .5s var(--ease)}
.hero.video-ready .hero__video{opacity:1}
.hero:not(.scrub) .stills,.hero:not(.scrub) .hero__video,.hero:not(.scrub) .ring{display:none}
.scrim{z-index:2;background:radial-gradient(ellipse 72% 66% at 26% 36%,rgba(2,18,22,.62),rgba(2,18,22,.34) 48%,rgba(2,18,22,0) 80%)}
@media (orientation:portrait){
  .stage{background-image:url('../video/hero-ending-portrait.jpg');background-position:50% 50%}
  .scrim{background:radial-gradient(ellipse 130% 50% at 32% 26%,rgba(2,18,22,.66),rgba(2,18,22,.42) 50%,rgba(2,18,22,0) 86%)}
}

/* Loading ring: fills as the video streams in, then steps aside. */
.ring{position:absolute;z-index:4;left:max(16px, var(--gx));bottom:calc(26px + env(safe-area-inset-bottom, 0px));width:30px;height:30px;transform:rotate(-90deg);
  fill:none;stroke-width:3;opacity:.9;transition:opacity .6s var(--ease)}
.ring__track{stroke:rgba(169,195,194,.25)}
.ring__bar{stroke:var(--gold);stroke-linecap:round;stroke-dasharray:126}
.hero.video-ready .ring,.hero.video-failed .ring{opacity:0}

.clock{position:absolute;z-index:4;right:max(16px, var(--gx));top:96px;margin:0;display:flex;gap:.6rem;align-items:center;padding:.55rem .95rem;border-radius:999px;
  background:rgba(2,24,28,.55);border:1px solid rgba(169,195,194,.28);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font:500 .74rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-primary);text-shadow:0 1px 3px rgba(2,16,20,.85);font-variant-numeric:tabular-nums}
.clock__coord{color:var(--text-secondary)}
.clock__time{color:var(--gold)}
@media (orientation:portrait){
  .clock{top:auto;right:auto;left:max(16px, var(--gx));bottom:calc(22px + env(safe-area-inset-bottom, 0px))}
  .cue{bottom:calc(84px + env(safe-area-inset-bottom, 0px))}
  .ring{bottom:calc(74px + env(safe-area-inset-bottom, 0px))}
}
@media (max-width:520px){.clock__coord{display:none}}
@media (max-height:560px){.clock,.cue{display:none}}

.band{position:absolute;z-index:3;left:max(16px, var(--gx), env(safe-area-inset-left, 0px));top:clamp(112px, 22vh, 230px);width:min(46rem, calc(100% - 2 * max(16px, var(--gx))));
  color:var(--text-primary);text-shadow:var(--tshadow);opacity:0;pointer-events:none;--k:1}
.band::before{content:"";position:absolute;inset:-22% -16% -26% -18%;z-index:-1;pointer-events:none;opacity:calc(.25 + .75 * var(--k,1));
  background:radial-gradient(ellipse 66% 60% at 42% 50%,rgba(2,18,22,.66) 0%,rgba(2,18,22,.46) 46%,rgba(2,18,22,0) 76%)}
.band--1::before{background:radial-gradient(ellipse 66% 60% at 42% 50%,rgba(2,18,22,.7) 0%,rgba(2,18,22,.48) 46%,rgba(2,18,22,0) 76%)}
.band--2::before,.band--3::before{background:radial-gradient(ellipse 66% 60% at 42% 50%,rgba(2,18,22,.52) 0%,rgba(2,18,22,.34) 46%,rgba(2,18,22,0) 76%)}
.band__title{margin:0;font:400 clamp(2.3rem,5.4vw,4.6rem)/1.06 var(--display);letter-spacing:-.012em;max-width:15ch}
.band__title--h1{margin-top:.9rem;font-size:clamp(2.7rem,6.4vw,5.5rem);line-height:1.02;max-width:13ch}
.band__title em{font-style:normal;color:var(--gold)}
.band__sub{margin:1.05rem 0 0;font-size:clamp(1.06rem,1.5vw,1.3rem);line-height:1.55;max-width:34ch}
.band .btn{text-shadow:none}
.settle__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.8rem}
.hero:not(.scrub) .band--1,.hero:not(.scrub) .band--2,.hero:not(.scrub) .band--3{display:none}
.hero:not(.scrub) .band--settle{opacity:1;pointer-events:auto}
.band--settle.live{pointer-events:auto}
@media (orientation:portrait){
  .band{top:clamp(96px, 14vh, 150px)}
  .band__title{font-size:clamp(2.1rem,8.6vw,3.4rem)}
  .band__title--h1{font-size:clamp(2.4rem,10vw,3.8rem)}
}
@media (max-height:620px) and (orientation:landscape){.band{top:92px}.band__title{font-size:clamp(1.9rem,4.4vw,3rem)}.band__title--h1{font-size:clamp(2.2rem,5vw,3.4rem)}.settle__actions{margin-top:1.1rem}}

/* Split text: words and characters built once at load. */
.w{display:inline-block;white-space:nowrap}
.bts{display:grid}
.bts>span{grid-area:1/1}
.bts__soft{filter:blur(10px);opacity:calc(1 - var(--k,1))}
.bts__sharp{opacity:var(--k,1)}
/* Band 2: words rise into place as the dunes come up. */
.band--2 .w{--kc:clamp(0,(var(--k,1) - var(--th,0)) * 2.8,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc)) * .6em))}
/* Band 3: words punch in with an overshoot as the sun breaks the crest. */
.band--3 .w{--kc:clamp(0,(var(--k,1) - var(--th,0)) * 3,1);--ks:clamp(0,(var(--k,1) - var(--th,0) - var(--sd,.1)) * var(--ss,3.2),1);
  opacity:var(--kc);transform:scale(calc(.6 + (.4 + var(--ov,.12)) * var(--kc) - var(--ov,.12) * var(--ks)));transform-origin:50% 70%}
.band--3 .w.em{--ov:.24;--sd:.16;--ss:2.6}
/* Settle: headline words rise, then the subline, then the buttons. */
.band--settle .w{--kc:clamp(0,(var(--k,1) - var(--th,0)) * 3.2,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc)) * .5em))}
.band--settle .eyebrow{opacity:clamp(0,var(--k,1) * 3,1)}
.settle__sub{--ks:clamp(0,(var(--k,1) - .62) * 4,1);opacity:var(--ks);transform:translateY(calc((1 - var(--ks)) * 12px))}
.settle__actions{--kb:clamp(0,(var(--k,1) - .78) * 5,1);opacity:var(--kb);transform:translateY(calc((1 - var(--kb)) * 12px))}
.band--1 .band__sub,.band--2 .band__sub,.band--3 .band__sub{--ks:clamp(0,(var(--k,1) - .5) * 3,1);opacity:var(--ks)}

.cue{position:absolute;z-index:3;left:50%;bottom:calc(26px + env(safe-area-inset-bottom, 0px));transform:translateX(-50%);display:none;flex-direction:column;align-items:center;gap:.5rem;
  font:500 .72rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-secondary)}
.hero.scrub .cue{display:flex}
.cue i{width:2px;height:34px;border-radius:2px;background:linear-gradient(var(--gold),transparent);transform-origin:top;animation:cue 2.4s var(--ease) -.6s infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:0}40%{opacity:1}100%{transform:scaleY(1);opacity:0}}

/* ---------- Sections ---------- */
/* Photos rest on the logo's dune curve, like the level cards. */
.photo{position:relative;margin:0;border-radius:24px;overflow:hidden;background:var(--teal);box-shadow:0 40px 80px -46px rgba(4,38,44,.6)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-84px;height:110px;border-radius:50% 50% 0 0/100% 100% 0 0;background:var(--teal);box-shadow:0 -7px 0 0 #E58B4E}

.section{position:relative;padding-block:clamp(5rem,10vw,8.5rem)}
.dark{background:var(--night);color:var(--text-secondary)}
.dark--teal{background:var(--teal)}
.head{margin-bottom:clamp(2.5rem,5vw,3.75rem)}
.head--center{text-align:center}
.head--center .eyebrow{justify-content:center}
.head--center .h2{margin-inline:auto}

/* Entrances: everything eases in once, in sequence. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease-out) var(--d,0s),transform .9s var(--ease-out) var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* The logo's curve, drawing itself across a section break. */
.curve-divider{position:absolute;left:0;top:-1px;width:100%;height:clamp(60px,9vw,120px);overflow:visible}
.curve-divider path,.timeline__line path{fill:none;stroke:var(--gold);stroke-width:3;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2.2s var(--ease-out)}
.in .curve-divider path,.in .timeline__line path,.curve-divider.in path{stroke-dashoffset:0}

/* Levels */
.levels .wrap{position:relative}
.levels__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2.4vw,1.75rem)}
.level{position:relative;padding:1.5rem 1.6rem 1.9rem;border-radius:24px;background:rgba(255,255,255,.55);border:1px solid rgba(5,75,85,.1);box-shadow:0 24px 50px -36px rgba(4,38,44,.55);
  transition:opacity .9s var(--ease-out) var(--d,0s),transform .9s var(--ease-out) var(--d,0s),box-shadow .35s var(--ease)}
.js .level.in:hover{transform:translateY(-4px);box-shadow:0 30px 60px -34px rgba(4,38,44,.6)}
/* Each card opens on a photo resting on the logo's dune curve. */
.level__photo{position:relative;margin:-.5rem -.6rem 1.3rem;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:var(--teal)}
.level__photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.level__photo::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-80px;height:100px;border-radius:50% 50% 0 0/100% 100% 0 0;background:var(--teal);box-shadow:0 -6px 0 0 #E58B4E}
.js .level.in:hover .level__photo img{transform:scale(1.04)}
.level__tag{margin:0;font:500 .78rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.level h3{margin:.5rem 0 .55rem;font:400 1.65rem/1.15 var(--display);color:var(--ink)}
.level p:last-child{margin:0;color:var(--ink-2)}

/* Lessons */
.lessons{overflow:hidden}
.lessons__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.features{list-style:none;margin:2.2rem 0 0;padding:0;display:grid;gap:1.4rem}
.features li{position:relative;padding-left:2.4rem}
.features li::before{content:"";position:absolute;left:0;top:.45rem;width:20px;height:10px;border-radius:20px 20px 0 0;background:var(--gold)}
.features h3{margin:0;font:600 1.15rem/1.3 var(--body);color:var(--text-primary)}
.features p{margin:.3rem 0 0;max-width:46ch}
.footnote{margin:2rem 0 0;font:400 .8rem/1.5 var(--mono);letter-spacing:.04em;color:var(--text-secondary)}
.lessons__photo{aspect-ratio:4/5;max-width:520px;justify-self:center;width:100%}

/* Drifting gold sand, at a whisper, only while the section is on screen. */
.grains{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.grains i{position:absolute;bottom:-10px;width:3px;height:3px;border-radius:50%;background:var(--gold);opacity:0}
.grains i:nth-child(1){left:8%;--x:24px;animation-delay:-2s}
.grains i:nth-child(2){left:22%;--x:-18px;animation-delay:-9s}
.grains i:nth-child(3){left:37%;--x:30px;animation-delay:-5s}
.grains i:nth-child(4){left:51%;--x:-26px;animation-delay:-14s}
.grains i:nth-child(5){left:64%;--x:20px;animation-delay:-11s}
.grains i:nth-child(6){left:77%;--x:-22px;animation-delay:-3s}
.grains i:nth-child(7){left:88%;--x:16px;animation-delay:-16s}
.grains i:nth-child(8){left:95%;--x:-14px;animation-delay:-7s}
.live .grains i{animation-name:grain;animation-duration:18s;animation-timing-function:linear;animation-iteration-count:infinite}
@keyframes grain{0%{transform:translate3d(0,0,0);opacity:0}15%{opacity:.55}85%{opacity:.4}100%{transform:translate3d(var(--x),-110vh,0);opacity:0}}

/* The moment it clicks: press and hold to raise the sun. */
.click{background:linear-gradient(180deg,var(--night) 0%,#063840 60%,#0A4550 100%);color:var(--text-secondary);overflow:hidden}
.click__wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);grid-template-areas:"copy scene" "controls scene";gap:1.5rem clamp(2rem,6vw,5rem);align-items:center}
.click__copy{grid-area:copy;align-self:end}
/* A learner stuck before dawn; holding plays the sunrise and the click. */
.click__scene{grid-area:scene;--h:0;position:relative;aspect-ratio:16/9;border-radius:26px;overflow:hidden;background:var(--night);box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.click__still,.click__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.click__still--end{opacity:var(--h)}
.click__video{opacity:0;transition:opacity .4s var(--ease)}
.click__scene.film-ready .click__video{opacity:1}
.click__scene::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-84px;height:110px;border-radius:50% 50% 0 0/100% 100% 0 0;background:var(--teal);box-shadow:0 -7px 0 0 #E58B4E}
.click__controls{grid-area:controls;align-self:start}
.hold{display:inline-flex;align-items:center;gap:1rem;padding:.55rem 1.4rem .55rem .55rem;border:2px solid rgba(232,174,48,.55);border-radius:999px;background:rgba(232,174,48,.08);color:var(--text-primary);
  font:600 1rem/1.2 var(--body);cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.hold:hover{background:rgba(232,174,48,.16);border-color:var(--gold)}
.hold.holding{transform:scale(.98)}
.hold__ring{position:relative;width:52px;height:52px;flex:none;border-radius:50%;background:radial-gradient(circle at 42% 38%,#FFD978,var(--gold))}
.hold__ring svg{position:absolute;inset:-6px;width:64px;height:64px;transform:rotate(-90deg)}
.hold__ring circle{fill:none;stroke:var(--gold);stroke-width:2.5;stroke-dasharray:126;stroke-dashoffset:calc(126 - 126 * var(--h,0));stroke-linecap:round}
.hold.done{border-color:var(--gold);cursor:default}
.outcomes{list-style:none;margin:1.6rem 0 0;padding:0;display:grid;gap:.75rem}
.outcomes li{position:relative;padding-left:2.1rem;color:var(--text-secondary);opacity:.45;transition:opacity .5s var(--ease),color .5s var(--ease)}
.outcomes li::before{content:"";position:absolute;left:0;top:.2em;width:1.3rem;height:1.3rem;border-radius:50%;border:2px solid rgba(169,195,194,.5);box-sizing:border-box;transition:background-color .5s var(--ease),border-color .5s var(--ease)}
.outcomes li::after{content:"";position:absolute;left:.42rem;top:calc(.2em + .26rem);width:.36rem;height:.62rem;border:solid var(--night);border-width:0 2.5px 2.5px 0;transform:rotate(45deg);opacity:0;transition:opacity .4s var(--ease)}
.outcomes li.on{opacity:1;color:var(--text-primary)}
.outcomes li.on::before{background:var(--gold);border-color:var(--gold)}
.outcomes li.on::after{opacity:1}
.click__done{margin:1.4rem 0 0;font:400 1.3rem/1.35 var(--display);color:var(--gold);opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.click.complete .click__done{opacity:1;transform:none}

/* Subjects */
.subjects{background:rgba(230,238,236,.72)}
.subjects__grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.subjects__head{position:sticky;top:110px}
.subjects__ask{margin:1.6rem 0 0;font-weight:600;color:var(--ink)}
.subjects__ask a{color:var(--teal);text-underline-offset:3px}
.subjects__photo{aspect-ratio:4/3;margin-bottom:2rem}
@media (max-height:860px){.subjects__head{position:static}}
.subjects__groups{display:grid;gap:0}
.group{padding:1.5rem 0;border-top:1px solid rgba(5,75,85,.16)}
.group:last-child{border-bottom:1px solid rgba(5,75,85,.16)}
.group h3{margin:0 0 .85rem;font:400 1.45rem/1.2 var(--display);color:var(--ink)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{padding:.42rem .9rem;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid rgba(5,75,85,.14);font-weight:600;font-size:.93rem;color:var(--ink);line-height:1.3}

/* How it works: a winding timeline */
.how__wrap{max-width:1120px}
.how__grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.how__photo{aspect-ratio:4/5}
.timeline{position:relative;padding-left:clamp(3.5rem,8vw,5rem)}
.timeline__line{position:absolute;left:clamp(.6rem,2vw,1.2rem);top:.6rem;bottom:.6rem;width:40px;height:calc(100% - 1.2rem);overflow:visible}
.timeline__steps{list-style:none;margin:0;padding:0;counter-reset:step;display:grid;gap:clamp(2.5rem,5vw,3.5rem)}
.step{position:relative;counter-increment:step}
.step::before{content:counter(step);position:absolute;left:calc(-1 * clamp(3.5rem,8vw,5rem) + clamp(.6rem,2vw,1.2rem) - 2px);top:-.2rem;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  background:var(--teal);color:var(--text-primary);font:400 1.25rem/1 var(--display);box-shadow:0 0 0 7px rgba(5,75,85,.12)}
.step:nth-child(3)::before{background:var(--gold);color:var(--night);box-shadow:0 0 0 7px rgba(232,174,48,.22)}
.step h3{margin:0;font:400 1.6rem/1.2 var(--display);color:var(--ink)}
.step p{margin:.45rem 0 0;color:var(--ink-2);max-width:48ch}

/* Questions */
.faq{overflow:hidden}
.faq__grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.faq__list{display:grid;gap:.8rem}
.qa{border-radius:18px;background:rgba(4,38,44,.45);border:1px solid rgba(169,195,194,.16);transition:border-color .3s var(--ease),background-color .3s var(--ease)}
.qa[open]{border-color:rgba(232,174,48,.45);background:rgba(4,38,44,.7)}
.qa summary{position:relative;list-style:none;cursor:pointer;padding:1.15rem 3.6rem 1.15rem 1.4rem;font:400 1.25rem/1.35 var(--display);color:var(--text-primary)}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";position:absolute;right:1.3rem;top:50%;width:1.7rem;height:1.7rem;margin-top:-.85rem;border-radius:50%;
  background:linear-gradient(var(--night),var(--night)) center/10px 2px no-repeat,linear-gradient(var(--night),var(--night)) center/2px 10px no-repeat,var(--gold);transition:transform .3s var(--ease)}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{margin:0;padding:0 1.4rem 1.3rem;max-width:58ch}

/* Free consultation: the one call to action */
.consult{background:
  radial-gradient(circle at 88% 112%,rgba(232,174,48,.62) 0 18%,rgba(232,174,48,.3) 30%,rgba(232,174,48,0) 52%),
  linear-gradient(180deg,var(--sand) 0%,#F4DDAE 100%);overflow:hidden}
.consult__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.consult__alt{margin:1.8rem 0 0;font-weight:600;color:var(--ink)}
.consult__alt a{color:var(--teal);text-underline-offset:3px}
.consult__photo{aspect-ratio:3/2;max-width:540px;margin-top:2.2rem}
.form{position:relative;padding:clamp(1.5rem,3.5vw,2.4rem);border-radius:26px;background:rgba(255,255,255,.78);border:1px solid rgba(5,75,85,.12);box-shadow:0 40px 80px -46px rgba(4,38,44,.6)}
.form__fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1.1rem;margin-bottom:1.3rem}
.field{display:grid;gap:.4rem;font-weight:600;font-size:.92rem;color:var(--ink)}
.field:nth-child(1),.field:nth-child(3){grid-column:1/-1}
.field input,.field select{width:100%;box-sizing:border-box;min-height:48px;padding:.7rem .9rem;border:1.5px solid rgba(5,75,85,.35);border-radius:12px;background:#fff;color:var(--ink);font:400 1rem/1.3 var(--body);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input::placeholder{color:#6F8587}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(232,174,48,.35)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:#B3261E}
.form__error{min-height:1.2em;margin:-.4rem 0 .8rem;color:#B3261E;font-weight:600;font-size:.92rem}
.form__note{margin:.9rem 0 0;font-size:.88rem;color:var(--ink-2)}
.form__success{display:none;margin-top:1.1rem;padding:1rem 1.1rem;border-radius:14px;background:rgba(5,75,85,.08);border:1px solid rgba(5,75,85,.2);color:var(--ink)}
.form__success p{margin:0 0 .8rem}
.form.sent .form__success{display:block}

/* Footer */
.footer{background:var(--night);color:var(--text-secondary);padding-block:clamp(3.5rem,7vw,5rem) 2rem;padding-bottom:calc(2rem + env(safe-area-inset-bottom, 0px))}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:2.5rem}
.footer__brand img:first-child{width:64px;height:auto}
.footer__brand img:nth-child(2){width:200px;height:auto;margin-top:1rem}
.footer__brand p{margin:1rem 0 0;font:400 1.15rem/1.4 var(--display);color:var(--gold)}
.footer__col{display:grid;align-content:start;gap:.6rem}
.footer__col h2{margin:0 0 .4rem;font:500 .78rem/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.footer__col a,.footer__col .linklike{color:var(--text-primary);text-decoration:none}
.footer__col a:hover,.footer__col .linklike:hover{color:var(--gold);text-decoration:underline}
.footer__col p{margin:0}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 2rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(169,195,194,.16);font-size:.86rem}
.footer__bottom p{margin:0}

/* Student Portal panel */
.portal{width:min(520px,calc(100% - 32px));padding:0;border:0;border-radius:26px;background:var(--sand);color:var(--ink);box-shadow:0 40px 100px -30px rgba(0,0,0,.6)}
.portal::backdrop{background:rgba(2,18,22,.62);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.portal__inner{position:relative;padding:2.2rem clamp(1.4rem,4vw,2.4rem) 2rem;text-align:center}
.portal__inner img{margin:0 auto}
.portal h2{margin:1rem 0 .3rem;font:400 2rem/1.15 var(--display);color:var(--ink)}
.portal p{margin:0;color:var(--ink-2)}
.portal__widget{margin-top:1.4rem;min-height:120px;text-align:left}
.portal__widget iframe{display:block;width:100%;max-width:100%;border:0}
.portal .portal__alt{margin-top:1.1rem;font-size:.92rem}
.portal__alt a{color:var(--teal);font-weight:600;text-underline-offset:3px}
.portal__close{position:absolute;right:.8rem;top:.8rem;width:44px;height:44px;border:0;border-radius:50%;background:rgba(5,75,85,.08);color:var(--ink);font-size:1.6rem;line-height:1;cursor:pointer;transition:background-color .2s var(--ease)}
.portal__close:hover{background:rgba(5,75,85,.16)}

/* Floating WhatsApp */
.wa-float{position:fixed;z-index:40;right:calc(18px + env(safe-area-inset-right, 0px));bottom:calc(18px + env(safe-area-inset-bottom, 0px));display:grid;place-items:center;width:56px;height:56px;border-radius:50%;
  background:#128C4A;color:#fff;box-shadow:0 14px 30px -12px rgba(2,22,26,.6);transition:transform .25s var(--ease),background-color .25s var(--ease)}
.wa-float:hover{transform:translateY(-2px);background:#0E7A3F}
.wa-float svg{width:28px;height:28px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Narrow screens ---------- */
@media (max-width:900px){
  .levels__grid{grid-template-columns:1fr}
  .lessons__grid,.click__wrap,.subjects__grid,.faq__grid,.consult__grid{grid-template-columns:1fr}
  .click__wrap{grid-template-areas:"copy" "scene" "controls"}
  .subjects__head{position:static}
  .how__grid{grid-template-columns:1fr}
  .how__photo{max-width:440px;width:100%;justify-self:center}
  .subjects__photo{max-width:560px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:560px){
  .form__fields{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
}

/* ---------- Pause and reduced motion ---------- */
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  .js .reveal{opacity:1;transform:none}
  .curve-divider path,.timeline__line path{stroke-dashoffset:0}
  .grains{display:none}
  .click__done{opacity:1;transform:none}
}