/* UST Chorus of Arts & Letters Alumni — "Something special is coming" teaser
   Brand tokens from Brand Guidelines v1.1 */
:root{
  --indigo:#262870; --navy:#050745; --royal:#3A3D8F; --lilac:#C9CCEE;
  --gold:#B79932; --gold-deep:#9A7E1E; --sun:#FFD52C;
  --paper:#F6F3EA; --parchment:#E6DFCE; --ink:#14141A; --ink-soft:#3B3D5C;
  --display:"Cormorant Garamond",Georgia,serif;
  --body:"Sora",system-ui,sans-serif;
  --mono:"DM Mono",ui-monospace,monospace;
  --col:430px; --pad:24px;
  --ease:cubic-bezier(.2,.7,.2,1); --spring:cubic-bezier(.34,1.56,.64,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#020424;color:var(--paper);font-family:var(--body);font-weight:300;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
svg{display:block}
.mono{font-family:var(--mono);font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase}
.nowrap{white-space:nowrap}

/* Desktop backdrop: the phone column sits centered on a deep ground */
.backdrop{position:fixed;inset:0;z-index:0;background:
  radial-gradient(60% 50% at 50% 0%,rgba(183,153,50,.10),transparent 60%),
  radial-gradient(40% 40% at 80% 90%,rgba(38,40,112,.6),transparent 70%),
  linear-gradient(180deg,#03052e,#020424)}
.phone{position:relative;z-index:1;width:100%;max-width:var(--col);margin:0 auto;min-height:100dvh;background:var(--navy);overflow:clip}
@media (min-width:600px){
  .phone{box-shadow:0 0 0 1px rgba(255,255,255,.06),0 40px 120px rgba(0,0,0,.6)}
}

/* NAV */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px var(--pad);
  background:rgba(5,7,69,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .4s,background .4s}
.nav.is-scrolled{border-bottom-color:rgba(183,153,50,.45);background:rgba(5,7,69,.9)}
.nav__logo svg{width:132px;height:auto;color:#fff}
.nav__cta{font-weight:500;font-size:.75rem;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:8px 14px;transition:background .25s,color .25s,transform .15s;animation:ctaPulse 1.6s .9s 1 var(--ease)}
.nav__cta:hover{background:var(--gold);color:var(--navy)}
.nav__cta:active{transform:scale(.96)}
@keyframes ctaPulse{0%,100%{box-shadow:0 0 0 0 rgba(183,153,50,0)}40%{box-shadow:0 0 0 7px rgba(183,153,50,.28)}}

/* TYPE */
.display{font-family:var(--display);font-weight:500;font-size:clamp(2.75rem,13vw,3.5rem);line-height:.96;letter-spacing:-.02em;margin:0;text-align:center}
.display em{font-style:italic;font-weight:600}
.display .win{display:block;font-style:italic;font-weight:700;font-size:1.55em;line-height:.8;color:var(--gold);letter-spacing:-.02em}
.display .shout{text-transform:uppercase;font-weight:600;letter-spacing:.02em;font-size:.66em;line-height:1.02}
.display .shout--sm{font-size:.58em;color:var(--gold)}
.display .shout small{font-size:.72em;font-style:italic;font-weight:500;text-transform:none;color:var(--lilac);margin-right:.15em}
.display--sm{font-size:clamp(2.25rem,10vw,2.75rem);font-weight:600;line-height:1.02}
.gold{color:var(--gold)}
.h2{font-family:var(--display);font-weight:500;font-size:clamp(2rem,9vw,2.375rem);line-height:1.05;letter-spacing:-.01em;margin:12px 0 14px}
.h2--indigo{color:var(--indigo)}
.h3{font-family:var(--display);font-weight:600;font-size:1.75rem;line-height:1.1;margin:0}
.chapter{font-family:var(--mono);font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin:0}
.chapter--deep{color:var(--gold-deep)}
.body{font-size:.875rem;line-height:1.6;color:var(--lilac);margin:0}
.body--ink{color:var(--ink-soft)}
.eyebrow{display:flex;align-items:center;justify-content:center;gap:10px;font-family:var(--mono);font-size:.625rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin:0 0 18px}
.eyebrow .rule{width:24px;height:1px;background:var(--gold)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 26px;border-radius:999px;font-weight:600;font-size:.9375rem;transition:transform .18s var(--spring),box-shadow .25s}
.btn--gold{background:var(--gold);color:var(--navy);box-shadow:0 10px 30px rgba(183,153,50,.33)}
.btn--gold:hover{box-shadow:0 14px 40px rgba(183,153,50,.45);transform:translateY(-1px)}
.btn--gold:active{transform:scale(.97)}
.btn--wide{width:100%}
.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* HERO */
.hero{position:relative;min-height:min(100svh,780px);display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;padding-bottom:40px}
.hero__photo{position:absolute;inset:0 0 auto 0;height:72%;overflow:hidden}
.hero__photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.25) brightness(.85);mix-blend-mode:luminosity;opacity:.9;transform:scale(1);animation:kenburns 14s ease-in-out infinite alternate}
.hero__photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(38,40,112,.75),rgba(5,7,69,.55))}
@keyframes kenburns{from{transform:scale(1) translateY(0)}to{transform:scale(1.07) translateY(-1.5%)}}
.hero__fade{position:absolute;left:0;right:0;top:22%;height:55%;background:linear-gradient(180deg,rgba(5,7,69,0),var(--navy))}
.hero__glow{position:absolute;left:50%;top:52%;width:320px;height:320px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(183,153,50,.35),rgba(183,153,50,0) 70%);animation:breathe 4s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.7;transform:translateX(-50%) scale(1)}50%{opacity:1;transform:translateX(-50%) scale(1.08)}}
.hero__copy{position:relative;padding:0 var(--pad);text-align:center}
.lead{font-size:.875rem;text-wrap:balance;color:var(--lilac);margin:18px auto 28px;max-width:34ch}
.word{display:block;opacity:0;transform:translateY(22px);animation:wordUp .8s var(--ease) forwards;animation-delay:calc(.25s + var(--i)*.14s)}
@keyframes wordUp{to{opacity:1;transform:none}}
.callout{display:flex;flex-direction:column;align-items:flex-start;width:100%;gap:6px;margin:0 auto 28px;padding:16px 20px 18px;border-radius:20px;border:2px solid var(--gold);background:rgba(183,153,50,.15);text-align:left;transition:background .25s,transform .18s var(--spring)}
.callout:hover{background:rgba(183,153,50,.22)}
.callout:active{transform:scale(.97)}
.callout__head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.callout__head .mono{font-size:clamp(.75rem,3.4vw,.95rem);letter-spacing:.18em;color:var(--gold)}
.callout__trophy{flex:none;width:36px;height:36px;border-radius:50%;background:var(--gold);display:grid;place-items:center}
.callout__trophy svg{width:19px;height:19px;fill:none;stroke:var(--navy);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.callout__title{display:block;font-weight:700;font-size:clamp(1rem,4.9vw,1.35rem);line-height:1.05;letter-spacing:0;text-transform:uppercase;color:var(--paper);white-space:nowrap}
.callout em{font-style:normal;font-weight:600;font-size:clamp(.8rem,3.6vw,1rem);line-height:1.25;letter-spacing:0;color:var(--gold);margin-top:4px;max-width:100%}
.lead{margin:20px auto 32px}
.scroll-cue{margin-top:40px;display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--mono);font-size:.5625rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(201,204,238,.6)}
.scroll-cue i{width:1px;height:36px;background:linear-gradient(180deg,var(--gold),transparent);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;left:0;top:-100%;width:100%;height:100%;background:linear-gradient(180deg,transparent,#fff);animation:cueDrop 1.8s ease-in-out infinite}
@keyframes cueDrop{to{top:100%}}

/* CHAPTERS */
.ch{padding:56px var(--pad)}
.ch--navy{background:var(--navy)}
.ch--paper{background:var(--paper);color:var(--ink)}
.ch--parchment{background:var(--parchment);color:var(--ink)}
.ch--indigo{background:var(--indigo)}

/* Polaroid stack */
.stack{display:flex;flex-direction:column;align-items:center;gap:30px;margin:36px 0 40px}
.polaroid{margin:0;width:min(300px,100%);background:var(--paper);padding:10px 10px 16px;box-shadow:0 18px 40px rgba(0,0,0,.4);transform:rotate(var(--r,0deg))}
.polaroid.tilt-l{--r:-2.5deg}.polaroid.tilt-r{--r:2deg}
.polaroid.offset{margin-left:min(40px,10%)}
.polaroid img{width:100%;aspect-ratio:3/2;object-fit:cover}
.polaroid figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-top:10px}
.polaroid .mono{color:var(--indigo);font-size:.625rem;letter-spacing:.2em}
.polaroid em{font-family:var(--display);font-style:italic;font-size:.875rem;color:var(--gold-deep);white-space:nowrap}
.transition{font-family:var(--display);font-style:italic;font-size:1.25rem;line-height:1.35;text-align:center;color:var(--gold);margin:0}

/* Equation */
.equation{display:flex;align-items:center;justify-content:space-between;margin:28px 0 32px}
.eq{display:flex;flex-direction:column;align-items:center;gap:10px}
.eq .mono{color:var(--indigo);font-size:.625rem;letter-spacing:.2em}
.eq__circle{width:64px;height:64px;border-radius:50%;background:var(--indigo);display:grid;place-items:center;transition:transform .25s var(--spring)}
.eq__circle svg{width:26px;height:26px;fill:none;stroke:var(--gold);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.eq:hover .eq__circle{transform:scale(1.08)}
.eq__op{font-family:var(--display);font-size:1.875rem;color:var(--gold-deep);padding-bottom:22px}

/* Contest card */
.contest{background:var(--navy);color:var(--paper);border:1.5px solid var(--gold);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;transition:transform .35s var(--ease)}
.contest::before{content:"";position:absolute;inset:-2px;background:linear-gradient(115deg,transparent 30%,rgba(255,213,44,.35) 50%,transparent 70%);transform:translateX(-120%);pointer-events:none}
.contest.is-visible::before{animation:shimmer 1.6s .3s var(--ease) 1}
@keyframes shimmer{to{transform:translateX(120%)}}
.contest:active{transform:perspective(600px) rotateX(1.5deg) scale(.995)}
.contest p{font-size:.8125rem;line-height:1.55;color:var(--lilac);margin:0}
.badge{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;background:var(--gold);color:var(--navy);border-radius:999px;padding:5px 10px;font-family:var(--mono);font-size:.5625rem;letter-spacing:.22em;text-transform:uppercase}
.pulse{width:6px;height:6px;border-radius:50%;background:var(--navy);animation:dot 1.4s ease-in-out infinite}
@keyframes dot{0%,100%{box-shadow:0 0 0 0 rgba(5,7,69,.5)}50%{box-shadow:0 0 0 5px rgba(5,7,69,0)}}
.prize{display:flex;gap:14px;align-items:center;background:rgba(183,153,50,.15);border-radius:12px;padding:14px 16px}
.prize > div{display:flex;flex-direction:column;gap:2px}
.prize__trophy{width:30px;height:30px;flex:none;fill:none;stroke:var(--gold);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transform-origin:50% 90%}
.contest.is-visible .prize__trophy{animation:wiggle 1s 1.2s var(--spring) 1}
@keyframes wiggle{0%,100%{transform:rotate(0)}25%{transform:rotate(-10deg)}60%{transform:rotate(8deg)}}
.prize__label{color:var(--gold);font-size:.5625rem}
.prize__value{font-family:var(--display);font-weight:600;font-size:1.5rem;line-height:1.05;background:linear-gradient(90deg,var(--paper),var(--paper) 40%,#fff 50%,var(--paper) 60%,var(--paper));background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent}
.contest.is-visible .prize__value{animation:glint 2.2s 1.5s ease 1}
@keyframes glint{from{background-position:120% 0}to{background-position:-120% 0}}
.prize__sub{font-size:.75rem;color:var(--lilac)}

/* Steps */
.steps{list-style:none;margin:28px 0 0;padding:0;position:relative}
.steps::before{content:"";position:absolute;left:18px;top:18px;bottom:18px;width:1px;background:rgba(38,40,112,.25)}
.steps::after{content:"";position:absolute;left:18px;top:18px;width:1px;height:calc(100% - 36px);background:var(--indigo);transform:scaleY(var(--progress,0));transform-origin:top;transition:transform .15s linear}
.step{position:relative;display:flex;gap:16px;align-items:flex-start;padding-bottom:28px}
.step:last-child{padding-bottom:0}
.step__marker{position:relative;z-index:1;flex:none;width:36px;height:36px;border-radius:50%;background:var(--indigo);color:var(--paper);font-family:var(--mono);font-size:.75rem;display:grid;place-items:center;transition:transform .4s var(--spring),box-shadow .4s}
.step__marker--gold{background:var(--gold);color:var(--navy)}
.step__marker--outline{background:var(--parchment);color:var(--indigo);box-shadow:inset 0 0 0 1.5px var(--indigo)}
.step.is-visible .step__marker{transform:scale(1.06)}
.step.is-visible .step__marker--gold{box-shadow:0 0 0 6px rgba(183,153,50,.25)}
.step__text{padding-top:6px;display:flex;flex-direction:column;gap:6px}
.step__text h4{margin:0;font-weight:600;font-size:.9375rem;line-height:1.3;color:var(--indigo)}
.step__text p{margin:0;font-size:.8125rem;line-height:1.5;color:var(--ink-soft)}
.chip-preview{margin-top:4px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid rgba(38,40,112,.15);border-radius:10px;padding:10px 12px;max-width:100%}
.chip-preview svg{width:20px;height:20px;flex:none;fill:none;stroke:var(--gold-deep);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.chip{background:var(--indigo);color:var(--paper);font-weight:500;font-size:.75rem;padding:8px 12px;border-radius:999px;text-align:center}
.pill-link{margin-top:4px;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;border:1px solid var(--indigo);background:rgba(255,255,255,.5);color:var(--indigo);font-weight:500;font-size:.78rem;transition:background .25s,color .25s}
.pill-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pill-link svg:first-child{stroke:var(--gold-deep)}
.pill-link:hover{background:var(--indigo);color:var(--paper)}
.pill-link:hover svg{stroke:var(--paper)}
.ripple{position:relative;overflow:hidden}
.ripple .r{position:absolute;border-radius:50%;background:rgba(255,255,255,.35);transform:scale(0);animation:ripple .6s ease-out forwards;pointer-events:none}
@keyframes ripple{to{transform:scale(4);opacity:0}}

/* Benefits */
.benefits{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.benefit{display:flex;gap:16px;align-items:center;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
.benefit__icon{flex:none;width:44px;height:44px;border-radius:50%;background:rgba(183,153,50,.15);display:grid;place-items:center;transition:box-shadow .3s}
.benefit:active .benefit__icon,.benefit:hover .benefit__icon{box-shadow:0 0 0 6px rgba(183,153,50,.15)}
.benefit__icon svg{width:20px;height:20px;fill:none;stroke:var(--gold);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.benefit h4{margin:0 0 3px;font-weight:600;font-size:.875rem;line-height:1.3}
.benefit p{margin:0;font-size:.78rem;line-height:1.5;color:var(--lilac)}

/* Final CTA */
.final{position:relative;min-height:520px;display:grid;place-items:center;overflow:hidden;background:var(--navy);padding:64px var(--pad)}
.final__photo{position:absolute;inset:0}
.final__photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.2);mix-blend-mode:luminosity;opacity:.22}
.final__photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,69,.6),rgba(5,7,69,.85))}
.final__glow{position:absolute;left:50%;top:50%;width:340px;height:340px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,rgba(183,153,50,.4),rgba(183,153,50,0) 70%);animation:breathe2 4s ease-in-out infinite}
@keyframes breathe2{0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}}
.final__copy{position:relative;width:100%;display:flex;flex-direction:column;align-items:center;text-align:center}
.emblem{width:60px;height:60px;margin-bottom:22px}
.final__line{font-family:var(--display);font-style:italic;font-size:1.125rem;color:var(--gold);margin:14px 0 30px}
.hint{color:rgba(201,204,238,.6);font-size:.5625rem;letter-spacing:.18em;margin:16px 0 0}
.bounce.is-visible{animation:bounceIn .9s var(--spring) 1}
@keyframes bounceIn{0%{transform:translateY(16px) scale(.96)}60%{transform:translateY(-4px) scale(1.02)}100%{transform:none}}

/* Footer */
.footer{background:#030530;padding:36px var(--pad) calc(40px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.footer__logo{width:150px;height:auto;color:#fff}
.footer__tag{color:rgba(201,204,238,.6);font-size:.5625rem;letter-spacing:.2em;margin:0}
.footer__rule{width:40px;height:1px;background:var(--gold)}
.footer__legal{margin:0;font-size:.6875rem;color:rgba(201,204,238,.5)}
.footer__legal a{color:rgba(201,204,238,.7);text-decoration:underline;text-underline-offset:3px}

/* Scroll reveals (JS adds .is-visible) */
.reveal,.reveal-card,.reveal-pop,.reveal-slide,.reveal-step{opacity:0;transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.reveal{transform:translateY(16px)}
.reveal-card{transform:translateY(28px) rotate(calc(var(--r,0deg) + 5deg));transition-timing-function:var(--spring);transition-duration:.9s}
.reveal-pop{transform:scale(.6);transition-timing-function:var(--spring)}
.reveal-slide{transform:translateX(40px)}
.reveal-step{transform:translateX(-14px)}
.is-visible{opacity:1;transform:translate(0) rotate(var(--r,0deg)) scale(1)}
.polaroid.is-visible{transform:rotate(var(--r))}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.reveal-card,.reveal-pop,.reveal-slide,.reveal-step,.word{opacity:1;transform:none}
  .polaroid{transform:rotate(var(--r))}
}