/* Braincloud Software: site styles. Colours come from the logo; type matches the classroom tools. */
:root{
  --sky:#2fb5ee; --sky-soft:#e3f4fc; --link:#0a6a99;
  --ink:#10243a; --ink-2:#3e5568; --line:#d5e2ec; --paper:#f5f9fc; --card:#ffffff;
  --coral:#ff4f6d; --gold:#ffbf47; --blue:#4d8dff; --cyan:#33c6e8; --mint:#1f9f66; --mint-soft:#dcf4e8;
  --display:"Fredoka","Segoe UI",Arial,sans-serif;
  --body:"Atkinson Hyperlegible","Segoe UI",Arial,sans-serif;
  --wrap:1120px; --r:18px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{ --sky-soft:#0f3347; --link:#7fd2f5; --ink:#eaf3fa; --ink-2:#a9bccb; --line:#24405a; --paper:#0b1b2b; --card:#10263a;
         --mint:#3fd89a; --mint-soft:#0f3a2c; color-scheme:dark; }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;font-synthesis-weight:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.6 var(--body)}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.12;margin:0;text-wrap:balance}
h2{font-size:clamp(1.9rem,3.6vw,2.6rem)}
h3{font-size:1.45rem}
p{margin:0}
.lede{font-size:1.15rem;color:var(--ink-2);max-width:60ch}

/* Header */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid transparent}
.top.scrolled{border-bottom-color:var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--display);font-weight:600;font-size:1.25rem}
.brand img{width:46px}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:1rem}
.nav a:hover{color:var(--link)}
@media (max-width:820px){.nav a:not(.btn){display:none}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 24px;font:700 1rem/1.2 var(--body);
  text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .12s,background-color .15s}
.btn.primary{background:var(--sky);color:#06263a}
.btn.primary:hover{background:#4cc1f2;transform:translateY(-1px)}
.btn.ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn.ghost:hover{border-color:var(--sky)}
.nav .btn{padding:9px 18px}

/* Hero: a question to answer, like the tools */
.hero{padding:56px 0 72px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center}
@media (max-width:960px){.hero .wrap{grid-template-columns:minmax(0,1fr)}.hero{padding-top:28px}}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);margin:0 0 18px}
.ask{margin-top:30px}
.ask .prompt{font-family:var(--display);font-weight:600;font-size:1.3rem;margin-bottom:12px}
.opts{display:grid;gap:10px}
.opt{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px;text-align:left;width:100%;
  background:var(--card);border:2px solid var(--line);border-radius:14px;padding:11px 14px;font:700 1.02rem/1.35 var(--body);color:var(--ink);cursor:pointer;
  transition:border-color .15s,opacity .2s,transform .1s}
.opt:hover:not([aria-pressed="true"]){border-color:var(--sky);transform:translateY(-1px)}
.key{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;font-family:var(--display);font-weight:600;color:#10243a;font-size:1.05rem}
.k0{background:#8f7dff}.k1{background:var(--cyan)}.k2{background:var(--gold)}.k3{background:#ff6fb0}
.opts.answered .opt{opacity:.5}
.opts.answered .opt[aria-pressed="true"]{opacity:1;border-color:var(--ink)}
.reply{margin-top:14px;color:var(--ink-2)}
.reply:empty{display:none}
.reply strong{color:var(--ink)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

.stage{position:relative;margin-right:4%;margin-bottom:40px}
.screen{border-radius:14px;overflow:hidden;box-shadow:0 24px 60px rgba(16,36,58,.22),0 0 0 1px rgba(16,36,58,.08);background:#0c0f1e}
.screen figcaption{position:absolute;left:-9999px}
.phone{position:absolute;right:-7%;bottom:-14%;width:24%;border-radius:26px;border:6px solid #0d1622;overflow:hidden;box-shadow:0 18px 40px rgba(16,36,58,.35);background:#0e2733}
@media (max-width:560px){.phone{width:28%;right:-3%;bottom:-12%;border-width:4px;border-radius:16px}}

/* Facts strip */
.facts{border-block:1px solid var(--line);background:var(--card)}
.facts ul{list-style:none;margin:0;padding:22px 24px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;max-width:var(--wrap);margin-inline:auto}
@media (max-width:860px){.facts ul{grid-template-columns:repeat(2,minmax(0,1fr))}}
.facts li{font-size:1rem;color:var(--ink-2)}
.facts b{display:block;color:var(--ink);font-family:var(--display);font-weight:600;font-size:1.12rem}

/* Sections */
section.block{padding:88px 0}
.head{max-width:700px;margin-bottom:48px}
.head h2{margin-bottom:12px}

/* Tools: alternating rows, each marked by its letter tile */
.tool{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:52px;align-items:center;padding:36px 0}
.tool + .tool{border-top:1px solid var(--line)}
.tool:nth-of-type(even) > .shot,.tool:nth-of-type(even) > .duo{order:2}
@media (max-width:900px){.tool{grid-template-columns:minmax(0,1fr);gap:24px}.tool:nth-of-type(even) > .shot,.tool:nth-of-type(even) > .duo{order:0}}
.tool .shot{border-radius:12px;overflow:hidden;box-shadow:0 16px 40px rgba(16,36,58,.16),0 0 0 1px rgba(16,36,58,.08)}
.tool .shot.tall{max-width:300px;margin-inline:auto;border-radius:26px;border:6px solid #0d1622}
.tool h3{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.tool h3 .key{width:34px;height:34px}
.tool p{color:var(--ink-2);margin-bottom:14px;max-width:52ch}
.tool ul{margin:0;padding-left:1.15em;color:var(--ink)}
.tool li{margin:6px 0}
.tool li::marker{color:var(--sky)}

/* How it works */
.how{background:var(--card);border-block:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;list-style:none;padding:0;margin:0 0 48px;counter-reset:s}
@media (max-width:860px){.steps{grid-template-columns:minmax(0,1fr)}}
.steps li{counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--sky);color:#06263a;
  font:600 1.2rem var(--display);margin-bottom:14px}
.steps h3{font-size:1.25rem;margin-bottom:6px}
.steps p{color:var(--ink-2)}
.wide-shot{border-radius:14px;overflow:hidden;box-shadow:0 16px 40px rgba(16,36,58,.16),0 0 0 1px rgba(16,36,58,.08)}

/* Privacy + maker */
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}
@media (max-width:860px){.two{grid-template-columns:minmax(0,1fr)}}
.checks{list-style:none;padding:0;margin:20px 0 0}
.checks li{position:relative;padding-left:34px;margin:12px 0}
.checks li::before{content:"";position:absolute;left:0;top:.3em;width:20px;height:20px;border-radius:6px;background:var(--mint-soft) no-repeat center/14px
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='%231f9f66' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.maker{background:var(--sky-soft);border-radius:var(--r);padding:32px;align-self:start}
.maker h2{font-size:1.8rem;margin-bottom:12px}
.maker p + p{margin-top:12px}

/* Account sign-up */
.signup{background:var(--ink);color:#eaf3fa}
@media (prefers-color-scheme:dark){.signup{background:#071321}}
.signup .two{align-items:start}
.signup .lede{color:#b9cbd9}
.signup a{color:#8fdaf8}
.form{background:var(--card);color:var(--ink);border-radius:var(--r);padding:28px;display:grid;gap:16px}
.field > label,.field legend{display:block;font-weight:700;margin-bottom:6px}
section[id]{scroll-margin-top:80px}
.field .hint{font-weight:400;color:var(--ink-2);font-size:.92rem}
.field input:not([type="checkbox"]),.field select,.field textarea{width:100%;font:1rem/1.4 var(--body);color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:12px;padding:11px 13px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 4px color-mix(in srgb,var(--sky) 30%,transparent)}
.field textarea{min-height:96px;resize:vertical}
.row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
@media (max-width:560px){.row2{grid-template-columns:minmax(0,1fr)}}
fieldset.field{border:0;padding:0;margin:0}
.picks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.pick{display:flex;align-items:center;gap:10px;border:2px solid var(--line);border-radius:12px;padding:9px 12px;font-weight:700;cursor:pointer}
.pick:has(input:checked){border-color:var(--sky);background:var(--sky-soft)}
.pick input{width:18px;height:18px;accent-color:var(--link);margin:0}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.95rem;color:var(--ink-2)}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--link);flex:none}
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{border-radius:12px;padding:12px 14px;font-weight:700}
.status.ok{background:var(--mint-soft);color:var(--ink)}
.status.err{background:#fde3df;color:#7a1d15}
.form .btn{justify-self:start}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-family:var(--display);font-weight:600;font-size:1.2rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--link);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin-top:10px;color:var(--ink-2);max-width:70ch}

/* Footer */
footer{padding:40px 0 56px;color:var(--ink-2);font-size:.95rem}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer nav{display:flex;gap:18px;flex-wrap:wrap}

/* Plain pages (privacy, terms, 404) */
.doc{max-width:760px;padding:48px 24px 72px;margin:0 auto}
.doc h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:8px}
.doc h2{font-size:1.5rem;margin:36px 0 10px}
.doc p,.doc li{color:var(--ink-2)}
.doc p + p{margin-top:12px}
.draft{background:#fff4d6;color:#5a4100;border:2px solid #f2c24b;border-radius:12px;padding:12px 16px;margin:18px 0 8px;font-weight:700}
@media (prefers-color-scheme:dark){.draft{background:#3a2e08;color:#ffe08a;border-color:#8a6a10}}

/* Small screens */
.btn{white-space:nowrap}
@media (max-width:480px){
  .brand{font-size:1.02rem;gap:8px}.brand img{width:38px}
  .nav .btn{padding:8px 14px;font-size:.92rem}
  .picks{grid-template-columns:minmax(0,1fr)}
  .tool .shot.tall{max-width:220px}
}

/* Showdown: coming soon */
.badge{font:700 .8rem/1 var(--body);background:var(--sky-soft);color:var(--link);border:1px solid color-mix(in srgb,var(--sky) 45%,transparent);border-radius:999px;padding:6px 10px;white-space:nowrap}
.tool.soon .shot{filter:saturate(.75)}
.pick .sub{display:block;font-weight:400;font-size:.85rem;color:var(--ink-2);line-height:1.2}

/* Hot Seat with its practice mode: projector shot plus a phone */
.duo{position:relative;margin-right:6%;margin-bottom:28px}
.duo .phone{width:26%;right:-8%;bottom:-12%}
.tool .also{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);color:var(--ink-2)}
.tool .also b{color:var(--ink)}

/* Tool icons, the same ones the apps use on their hub screen */
.appicon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:#fff;flex:none}
.appicon svg{width:24px;height:24px}
.appicon.pulse{background:var(--coral)} .appicon.hotseat{background:var(--gold)} .appicon.showdown{background:var(--blue)}
.duo.left{margin-right:0;margin-left:6%}
.duo.left .phone{right:auto;left:-8%;bottom:-16%}
.duo.left{margin-bottom:64px}
.duo.left .phone{width:22%;left:-7%;bottom:-20%}