/* Kurios × Biz Fest — landing styles (Biz Fest brand system) */

/* Design tokens */
:root{
  /* Official Biz Fest palette */
  --acid-yellow:#E9FF3D;
  --stage-orange:#FF541E;
  --pop-pink:#FF5AB8;
  --acid-green:#A6E600;
  --electric-purple:#6E35F5;
  --ink-black:#121212;
  --soft-white:#F5F5F0;
  --pure-white:#FFFFFF;

  /* Cosmic canvas (Kurios) — derived from Ink Black + Electric Purple */
  --cosmic-1:#0c0716;
  --cosmic-2:#140a2e;
  --cosmic-3:#1c1046;
  --purple-deep:#2a1566;

  /* Text */
  --on-dark:rgba(255,255,255,.94);
  --on-dark-muted:rgba(255,255,255,.66);
  --on-light:#141018;
  --on-light-muted:#57506a;

  /* Type */
  --font-display:'Climate Crisis', Impact, sans-serif;
  --font-head:'League Spartan', 'Arial Narrow', system-ui, sans-serif;
  --font-body:'League Spartan', system-ui, -apple-system, Segoe UI, sans-serif;

  /* Layout */
  --shell:1200px;
  --radius:20px;
  --radius-sm:12px;
  --header-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* Reset / base */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-body);
  font-weight:400;
  font-size:1rem;
  line-height:1.62;
  color:var(--on-dark);
  background:var(--cosmic-1);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--font-head);font-weight:800;line-height:1.02;margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--acid-yellow);color:var(--ink-black);}

.skip-link{position:absolute;left:-999px;top:0;background:var(--acid-yellow);color:#000;padding:.6rem 1rem;z-index:999;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2.5rem);}

/* Buttons */
.btn{
  --btn-bg:var(--acid-yellow);--btn-fg:var(--ink-black);--btn-bd:var(--acid-yellow);
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-head);font-weight:700;font-size:1rem;
  letter-spacing:.01em;text-transform:none;
  padding:.85rem 1.5rem;border-radius:100px;border:2px solid var(--btn-bd);
  background:var(--btn-bg);color:var(--btn-fg);
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s, color .18s;
  will-change:transform;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:3px solid var(--acid-green);outline-offset:2px;}
.btn .arrow{font-weight:700;transition:transform .18s var(--ease);}
.btn:hover .arrow{transform:translate(2px,-2px);}
.btn-lg{padding:1.05rem 2rem;font-size:1.1rem;}
.btn-sm{padding:.6rem 1.15rem;font-size:.95rem;}

.btn-primary{--btn-bg:var(--acid-yellow);--btn-fg:#0c0a10;--btn-bd:var(--acid-yellow);box-shadow:0 8px 26px rgba(233,255,61,.28);}
.btn-primary:hover{box-shadow:0 12px 34px rgba(233,255,61,.42);}
.btn-ghost{--btn-bg:transparent;--btn-fg:currentColor;--btn-bd:rgba(255,255,255,.42);}
.btn-ghost:hover{--btn-bd:var(--acid-yellow);color:var(--acid-yellow);}
.btn-outline{--btn-bg:transparent;--btn-fg:currentColor;--btn-bd:currentColor;}
.btn-outline:hover{background:var(--ink-black);color:var(--pure-white);--btn-bd:var(--ink-black);}

/* Eyebrow / titles */
.eyebrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--font-head);font-weight:700;text-transform:uppercase;
  font-size:.82rem;letter-spacing:.2em;margin:0 0 1rem;
  color:var(--electric-purple);
}
.eyebrow::before{content:"";width:.8em;height:.8em;background:var(--acid-yellow);
  -webkit-mask:url(../images/spark.svg) center/contain no-repeat;mask:url(../images/spark.svg) center/contain no-repeat;}
.eyebrow--center{justify-content:center;}
.on-dark .eyebrow, .hero .eyebrow, .teacher-section .eyebrow{color:var(--acid-yellow);}

.section-title{font-size:clamp(1.9rem,4.3vw,3.3rem);max-width:20ch;margin-bottom:1.1rem;}
.section-title--center{margin-inline:auto;text-align:center;}
.section-lead{font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:56ch;color:var(--on-dark-muted);}
.section-title--center + .section-lead{margin-inline:auto;text-align:center;}

/* Sticker treatment (Biz Fest brand look) — pops on light backgrounds */
.sticker{color:var(--pure-white);-webkit-text-stroke:2px #0c0a10;paint-order:stroke fill;text-shadow:5px 5px 0 #0c0a10;}
.sticker--accent{color:var(--acid-yellow);}

/* Decorative shapes */
.deco{position:absolute;display:block;pointer-events:none;z-index:0;}
.deco--star{-webkit-mask:url(../images/starburst.svg) center/contain no-repeat;mask:url(../images/starburst.svg) center/contain no-repeat;}
.deco--spark{-webkit-mask:url(../images/spark.svg) center/contain no-repeat;mask:url(../images/spark.svg) center/contain no-repeat;}
.deco--yellow{background:var(--acid-yellow);}
.deco--pink{background:var(--pop-pink);}
.deco--green{background:var(--acid-green);}
.deco--orange{background:var(--stage-orange);}
.deco--purple{background:var(--electric-purple);}

/* Header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;transition:background .3s,box-shadow .3s,backdrop-filter .3s;}
.site-header.scrolled{background:rgba(12,7,22,.86);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.08);}
.header-inner{display:flex;align-items:center;gap:1.4rem;width:100%;}
.brand{display:inline-flex;align-items:center;gap:.7rem;flex-shrink:0;}
.brand-kurios{height:16px;width:auto;}
.brand-bizfest{height:38px;width:auto;}
.brand-x{color:var(--acid-yellow);font-family:var(--font-head);font-weight:800;font-size:1.1rem;opacity:.9;}
.desktop-nav{display:flex;gap:1.6rem;margin-left:auto;}
.desktop-nav a{font-family:var(--font-head);font-weight:600;font-size:.98rem;color:var(--on-dark);opacity:.82;position:relative;padding:.3rem 0;transition:opacity .2s;}
.desktop-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--acid-yellow);transition:width .25s var(--ease);}
.desktop-nav a:hover{opacity:1;}
.desktop-nav a:hover::after{width:100%;}
.header-cta{margin-left:.2rem;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;background:transparent;border:0;padding:0;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--pure-white);margin-inline:auto;transition:transform .28s var(--ease),opacity .2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{position:fixed;inset:var(--header-h) 0 auto 0;background:rgba(12,7,22,.98);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;gap:.4rem;padding:1.2rem clamp(1.1rem,4vw,2rem) 1.8rem;
  border-top:1px solid rgba(255,255,255,.08);z-index:99;transform:translateY(-8px);opacity:0;transition:opacity .25s,transform .25s;}
.mobile-nav:not([hidden]){opacity:1;transform:none;}
.mobile-nav a:not(.btn){font-family:var(--font-head);font-weight:600;font-size:1.15rem;padding:.85rem .2rem;border-bottom:1px solid rgba(255,255,255,.07);}
.mobile-nav .btn{margin-top:.8rem;justify-content:center;}

/* Section base */
.section{position:relative;padding:clamp(3.5rem,8vw,7rem) 0;}
.section.on-light{background:var(--soft-white);color:var(--on-light);}
.section.on-light .section-lead{color:var(--on-light-muted);}

/* HERO */
.hero{
  position:relative;padding:calc(var(--header-h) + clamp(2.5rem,7vw,5rem)) 0 clamp(3rem,7vw,5.5rem);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(110,53,245,.55), transparent 60%),
    radial-gradient(820px 560px at 102% 4%, rgba(255,90,184,.20), transparent 55%),
    radial-gradient(680px 520px at 88% 108%, rgba(166,230,0,.14), transparent 55%),
    linear-gradient(180deg,var(--cosmic-2) 0%,var(--cosmic-1) 100%);
  overflow:hidden;
}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 24px 32px,rgba(255,255,255,.6),transparent),
    radial-gradient(1.4px 1.4px at 140px 90px,rgba(255,255,255,.35),transparent),
    radial-gradient(1.2px 1.2px at 220px 180px,rgba(255,255,255,.5),transparent),
    radial-gradient(1.5px 1.5px at 320px 60px,rgba(255,255,255,.3),transparent),
    radial-gradient(1.3px 1.3px at 60px 220px,rgba(255,255,255,.4),transparent);
  background-size:360px 300px;}
.hero-inner{position:relative;z-index:1;text-align:center;}
.hero .eyebrow{justify-content:center;}
.hero-title{font-size:clamp(2.5rem,7.2vw,5.4rem);letter-spacing:-.02em;margin-bottom:1.4rem;}
.hero-title .sticker{display:block;}

.hero-prize{display:inline-flex;align-items:flex-start;gap:.12em;justify-content:center;flex-wrap:wrap;margin:.4rem 0 1rem;max-width:100%;
  font-family:var(--font-display);color:var(--acid-yellow);line-height:.9;
  text-shadow:0 0 42px rgba(233,255,61,.35);}
.hero-prize-currency{font-size:clamp(1.3rem,3vw,2.4rem);margin-top:.15em;}
.hero-prize-amount{font-size:clamp(2.1rem,8.5vw,6.6rem);letter-spacing:.01em;}
.hero-prize-cop{font-family:var(--font-head);font-weight:800;font-size:clamp(1rem,2vw,1.5rem);align-self:flex-end;margin-bottom:.35em;letter-spacing:.05em;}

.hero-tagline{font-size:clamp(1.05rem,1.9vw,1.35rem);max-width:44ch;margin:0 auto 2rem;color:var(--on-dark);}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:2.4rem;}

.hero-meta{display:inline-flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:center;
  padding:.7rem 1.3rem;border:1px solid rgba(255,255,255,.16);border-radius:100px;background:rgba(255,255,255,.04);}
.hero-meta-item{display:inline-flex;align-items:center;gap:.6rem;}
.hero-meta-day{font-family:var(--font-head);font-weight:800;font-size:1.15rem;color:var(--acid-yellow);
  background:rgba(233,255,61,.12);border-radius:8px;padding:.05em .4em;}
.hero-meta-icon{color:var(--pop-pink);}
.hero-meta-text{font-weight:500;font-size:.98rem;}
.hero-meta-sep{opacity:.4;}
.hero-sub{margin:1rem auto 0;font-style:italic;color:var(--on-dark-muted);letter-spacing:.01em;}

/* Countdown */
.countdown{margin:2.6rem auto 0;max-width:520px;}
.countdown-label{font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;color:var(--pop-pink);margin-bottom:.8rem;}
.countdown-clock{display:flex;gap:.7rem;justify-content:center;}
.cd-unit{flex:1;max-width:110px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:.9rem .3rem .7rem;}
.cd-num{display:block;font-family:var(--font-head);font-weight:800;font-size:clamp(1.7rem,5vw,2.6rem);line-height:1;color:var(--pure-white);font-variant-numeric:tabular-nums;}
.cd-tag{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.16em;color:var(--on-dark-muted);margin-top:.4rem;}
.cd-closed{font-family:var(--font-head);font-weight:700;color:var(--acid-yellow);font-size:1.05rem;margin:0;}

/* Category pills */
.hero-pills{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin-top:2.6rem;}
.hero-pills li{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;font-size:.92rem;
  padding:.5rem 1rem;border-radius:100px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.03);transition:border-color .2s,background .2s,transform .2s;}
.hero-pills li:hover{border-color:var(--acid-yellow);transform:translateY(-2px);}
.pill-num{color:var(--acid-yellow);font-weight:800;font-size:.8rem;}

.hero-star-1{width:130px;height:130px;top:14%;left:4%;opacity:.16;animation:spin 34s linear infinite;}
.hero-star-2{width:80px;height:80px;bottom:12%;right:6%;opacity:.18;animation:spin 26s linear infinite reverse;}
.hero-spark-1{width:34px;height:34px;top:26%;right:14%;opacity:.85;animation:twinkle 3.4s ease-in-out infinite;}
.hero-spark-2{width:24px;height:24px;bottom:26%;left:12%;opacity:.8;animation:twinkle 2.8s ease-in-out infinite .6s;}

/* ALLIANCE */
.alliance-intro{background:var(--soft-white);color:var(--on-light);}
.alliance-intro .eyebrow{color:var(--electric-purple);}
.alliance-intro .section-title{color:var(--on-light);max-width:26ch;}
.alliance-intro .section-title .x-mark,.eyebrow .x-mark{color:var(--pop-pink);}
.alliance-intro .section-lead{color:var(--on-light-muted);}
.alliance-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem;margin-top:2.6rem;}
.alliance-card{background:var(--pure-white);border:2px solid #ece8f4;border-radius:var(--radius);padding:2rem;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;}
.alliance-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,10,40,.1);border-color:var(--electric-purple);}
.alliance-card h3{font-size:1.4rem;margin:.9rem 0 .6rem;color:var(--on-light);}
.alliance-card p{color:var(--on-light-muted);}
.alliance-card--wide{grid-column:1 / -1;background:linear-gradient(120deg,var(--ink-black),#241247);border-color:transparent;color:var(--on-dark);text-align:center;}
.alliance-mission{color:var(--pure-white)!important;font-size:clamp(1.4rem,3vw,2.1rem);margin:1rem auto 0;}
.alliance-tag{display:inline-block;font-family:var(--font-head);font-weight:800;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;padding:.4em .9em;border-radius:100px;}
.alliance-tag--purple{background:var(--electric-purple);color:#fff;}
.alliance-tag--yellow{background:var(--acid-yellow);color:var(--ink-black);}
.alliance-tag--outline{border:1.5px solid rgba(255,255,255,.4);color:var(--acid-yellow);}

/* CATEGORIES */
.categories-section{background:linear-gradient(180deg,var(--cosmic-1),var(--cosmic-3));}
.categories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.8rem;}
.category-card{--c:var(--acid-yellow);position:relative;overflow:hidden;border-radius:var(--radius);padding:2rem 1.8rem;
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.1);transition:transform .25s var(--ease),background .25s,border-color .25s;}
.category-card::before{content:"";position:absolute;left:0;top:0;height:100%;width:5px;background:var(--c);}
.category-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.06);border-color:var(--c);}
.category-num{font-family:var(--font-head);font-weight:800;font-size:2.4rem;color:var(--c);line-height:1;opacity:.9;}
.category-card h3{font-size:1.45rem;margin:.5rem 0 .7rem;color:var(--pure-white);}
.category-card p{color:var(--on-dark-muted);}
.cat--yellow{--c:var(--acid-yellow);}
.cat--green{--c:var(--acid-green);}
.cat--pink{--c:var(--pop-pink);}
.cat--purple{--c:#a487ff;}
.cat--orange{--c:var(--stage-orange);}

/* TEACHER */
.teacher-section{background:linear-gradient(135deg,var(--electric-purple),#4311b8);overflow:hidden;}
.teacher-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.teacher-quote{position:relative;font-family:var(--font-head);font-weight:800;font-size:clamp(1.6rem,3.4vw,2.6rem);line-height:1.12;color:var(--pure-white);margin:0;padding-left:1.4rem;}
.teacher-quote .quote-mark{position:absolute;left:-.1rem;top:-1.4rem;font-family:var(--font-display);font-size:5rem;color:var(--acid-yellow);line-height:1;opacity:.9;}
.teacher-section .eyebrow{color:var(--acid-yellow);}
.teacher-section .section-title{color:var(--pure-white);}
.teacher-section .section-lead{color:rgba(255,255,255,.82);}

/* STEPS */
.steps-section{background:var(--soft-white);color:var(--on-light);}
.steps-section .eyebrow{color:var(--electric-purple);}
.steps-section .section-title{color:var(--on-light);max-width:18ch;}
.steps-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1.5rem;flex-wrap:wrap;margin-bottom:2.6rem;}
.steps-head .btn-outline{color:var(--ink-black);}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;counter-reset:step;}
.step-card{position:relative;background:var(--pure-white);border:2px solid #ece8f4;border-radius:var(--radius);padding:1.8rem 1.5rem;transition:transform .25s var(--ease),box-shadow .25s;}
.step-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,10,40,.1);}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;border-radius:12px;background:var(--ink-black);color:var(--acid-yellow);font-family:var(--font-head);font-weight:800;font-size:1.1rem;margin-bottom:1rem;}
.step-card:nth-child(1) .step-num{background:var(--electric-purple);color:#fff;}
.step-card:nth-child(2) .step-num{background:var(--pop-pink);color:#fff;}
.step-card:nth-child(3) .step-num{background:var(--stage-orange);color:#fff;}
.step-card:nth-child(4) .step-num{background:var(--acid-green);color:var(--ink-black);}
.step-card h3{font-size:1.3rem;margin-bottom:.5rem;color:var(--on-light);}
.step-card p{color:var(--on-light-muted);font-size:.98rem;}

/* VOTING */
.voting-section{background:linear-gradient(180deg,var(--cosmic-3),var(--cosmic-1));}
.voting-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.3rem;margin-top:2.8rem;}
.voting-card{position:relative;border-radius:var(--radius);padding:2.4rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);transition:transform .25s var(--ease),border-color .25s;}
.voting-card:hover{transform:translateY(-4px);border-color:var(--acid-yellow);}
.voting-card--alt:hover{border-color:var(--pop-pink);}
.voting-num{font-family:var(--font-head);font-weight:800;font-size:1.1rem;color:var(--acid-yellow);}
.voting-card--alt .voting-num{color:var(--pop-pink);}
.voting-tag{display:block;font-family:var(--font-head);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;color:var(--on-dark-muted);margin:.4rem 0 .8rem;}
.voting-card h3{font-size:1.7rem;color:var(--pure-white);margin-bottom:.7rem;}
.voting-card p{color:var(--on-dark-muted);margin-bottom:1.6rem;}

/* PRIZE */
.prize-section{background:linear-gradient(135deg,#1c0d47,#0c0716);overflow:hidden;}
.prize-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center;position:relative;z-index:1;}
.prize-copy,.prize-card{min-width:0;}
.prize-section .eyebrow{color:var(--acid-yellow);}
.prize-star{width:340px;height:340px;top:-60px;right:-70px;opacity:.1;animation:spin 44s linear infinite;}
.prize-card{background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:2.2rem;backdrop-filter:blur(6px);}
.prize-row{display:flex;align-items:center;gap:1.1rem;}
.prize-day{font-family:var(--font-head);font-weight:800;font-size:2.4rem;color:var(--acid-yellow);background:rgba(233,255,61,.12);border-radius:14px;padding:.15em .35em;line-height:1;}
.prize-strong{font-family:var(--font-head);font-weight:700;font-size:1.15rem;color:var(--pure-white);}
.prize-muted{color:var(--on-dark-muted);font-size:.95rem;}
.prize-divider{height:1px;background:rgba(255,255,255,.14);margin:1.6rem 0;}
.prize-label{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;color:var(--on-dark-muted);}
.prize-amount{font-family:var(--font-display);font-size:clamp(1.55rem,6.5vw,2rem);color:var(--acid-yellow);line-height:1;margin:.2rem 0;text-shadow:0 0 34px rgba(233,255,61,.3);word-break:break-word;}
.prize-amount span{font-family:var(--font-head);font-weight:800;font-size:1.2rem;}
.prize-by{font-family:var(--font-head);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;color:var(--pop-pink);margin-top:.4rem;}

/* APPLICATION CTA */
.application-section{background:
  radial-gradient(760px 420px at 50% 120%,rgba(110,53,245,.5),transparent 60%),
  linear-gradient(180deg,var(--cosmic-1),var(--cosmic-2));text-align:center;overflow:hidden;}
.application-inner{position:relative;z-index:1;}
.application-title{max-width:22ch;}
.application-section .section-lead{margin:0 auto 2rem;}
.application-section .btn-lg{box-shadow:0 12px 40px rgba(233,255,61,.4);}
.app-spark-1{width:40px;height:40px;top:18%;left:16%;opacity:.9;animation:twinkle 3s ease-in-out infinite;}
.app-spark-2{width:28px;height:28px;bottom:20%;right:18%;opacity:.85;animation:twinkle 3.6s ease-in-out infinite .5s;}

/* FAQ */
.faq-section{background:var(--soft-white);color:var(--on-light);}
.faq-section .eyebrow{color:var(--electric-purple);}
.faq-section .section-title{color:var(--on-light);}
.faq-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:start;}
.faq-head{position:sticky;top:calc(var(--header-h) + 1.5rem);}
.faq-list{display:flex;flex-direction:column;gap:.9rem;}
.faq-item{background:var(--pure-white);border:2px solid #ece8f4;border-radius:var(--radius-sm);overflow:hidden;transition:border-color .2s;}
.faq-item[open]{border-color:var(--electric-purple);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:1.2rem 1.4rem;font-family:var(--font-head);font-weight:700;font-size:1.1rem;color:var(--on-light);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--electric-purple);border-radius:2px;transition:transform .28s var(--ease);}
.faq-icon::before{top:9px;left:0;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-answer{padding:0 1.4rem 1.3rem;color:var(--on-light-muted);}
.faq-answer p{max-width:60ch;}

/* FOOTER */
.site-footer{background:var(--ink-black);padding:clamp(3rem,6vw,4.5rem) 0 6rem;text-align:center;}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:1.4rem;}
.footer-brand{transform:scale(1.15);margin-bottom:.4rem;}
.footer-tagline{max-width:42ch;color:var(--on-dark);font-size:1.05rem;}
.footer-credits{color:var(--on-dark-muted);font-size:.9rem;line-height:1.7;}

/* Mobile sticky CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;align-items:center;justify-content:space-between;gap:1rem;
  padding:.7rem clamp(1rem,4vw,1.4rem);background:rgba(12,7,22,.94);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.1);
  transform:translateY(120%);transition:transform .35s var(--ease);}
.sticky-cta.show{transform:none;}
.sticky-cta-info{display:flex;flex-direction:column;line-height:1.15;}
.sticky-cta-prize{font-family:var(--font-head);font-weight:800;color:var(--acid-yellow);font-size:1.05rem;}
.sticky-cta-deadline{font-size:.78rem;color:var(--on-dark-muted);}
.sticky-cta .btn{padding:.7rem 1.2rem;}

/* Reveal animation (only when JS is active) */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-visible{opacity:1;transform:none;}

@keyframes spin{to{transform:rotate(360deg);}}
@keyframes twinkle{0%,100%{opacity:.25;transform:scale(.8);}50%{opacity:.95;transform:scale(1.1);}}

/* Responsive */
@media(max-width:960px){
  .desktop-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .categories-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .teacher-inner,.prize-inner,.faq-inner{grid-template-columns:1fr;}
  .faq-head{position:static;}
  .prize-star{opacity:.07;}
}
@media(max-width:640px){
  :root{--header-h:64px;}
  .alliance-grid,.categories-grid,.steps-grid,.voting-grid{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{justify-content:center;}
  .hero-meta{gap:.5rem;}
  .hero-meta-sep{display:none;}
  .countdown-clock{gap:.5rem;}
  .cd-unit{padding:.7rem .2rem .6rem;}
  .sticky-cta{display:flex;}
  .site-footer{padding-bottom:6.5rem;}
  .sticker{-webkit-text-stroke:1.4px #0c0a10;text-shadow:3px 3px 0 #0c0a10;}
  body{padding-bottom:0;}
}
@media(max-width:380px){
  .cd-tag{font-size:.6rem;}
  .hero-pills li{font-size:.82rem;padding:.45rem .8rem;}
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  .deco{animation:none !important;}
  .btn,.btn .arrow{transition:none;}
}