/* ==========================================================================
   Candy Client — landing page
   Palette: deep plum-black + candy pink/red. Hand-tuned, not a template.
   ========================================================================== */
:root{
  --bg:#0d0510;
  --bg2:#160a1c;
  --ink:#fff4f8;
  --muted:#c9a8bd;
  --muted2:#9c7d92;
  --pink:#ff5ca8;
  --pink-hi:#ff8fc0;
  --red:#ff2d55;
  --red-deep:#e01e5a;
  --candy:#ff4fd8;
  --line:rgba(255,140,190,.14);
  --card:rgba(255,255,255,.035);
  --card-hi:rgba(255,255,255,.06);
  --glass:rgba(22,10,28,.72);
  --shadow:0 30px 80px -30px rgba(255,45,85,.35);
  --grad:linear-gradient(120deg,#ff5ca8,#ff2d55 60%,#ff7a3c);
  --grad-soft:linear-gradient(120deg,#ff8fc0,#ff5ca8);
  --r:18px;
  --r-lg:26px;
  --max:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand__name{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.05}
a{color:inherit;text-decoration:none}
kbd{font-family:'Space Mono',monospace;font-size:.8em;background:rgba(255,140,190,.14);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 6px;color:var(--pink-hi)}
code{font-family:'Space Mono',monospace;font-size:.86em;background:rgba(255,140,190,.1);border-radius:5px;padding:1px 5px;color:var(--pink-hi)}

/* ---------- backdrop fx ---------- */
.fx-grain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode:soft-light}
.fx-glow{position:fixed;border-radius:50%;filter:blur(120px);z-index:0;pointer-events:none;opacity:.5}
.fx-glow--a{top:-180px;right:-120px;width:520px;height:520px;background:radial-gradient(circle,#ff2d55,transparent 65%)}
.fx-glow--b{top:520px;left:-200px;width:560px;height:560px;background:radial-gradient(circle,#ff4fd8,transparent 65%);opacity:.35}
main,.nav,.ribbon,.foot{position:relative;z-index:1}

/* ---------- ribbon ---------- */
.ribbon{display:flex;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(90deg,rgba(255,45,85,.16),rgba(255,79,216,.16));
  border-bottom:1px solid var(--line);font-size:13.5px;color:var(--muted);
  padding:9px 16px;text-align:center}
.ribbon strong{color:var(--ink)}
.ribbon__dot{width:8px;height:8px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 0 rgba(255,92,168,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,92,168,.55)}70%{box-shadow:0 0 0 9px rgba(255,92,168,0)}100%{box-shadow:0 0 0 0 rgba(255,92,168,0)}}

/* ---------- nav ---------- */
.nav{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;gap:20px}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{display:grid;place-items:center;filter:drop-shadow(0 6px 14px rgba(255,45,85,.5))}
.brand__name{font-size:21px}
.brand__name-accent{background:var(--grad-soft);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav__links{display:flex;gap:28px;font-size:15px;font-weight:500}
.nav__links a{color:var(--muted);transition:color .2s}
.nav__links a:hover{color:var(--ink)}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{display:none;flex-direction:column;gap:2px;padding:0 24px;overflow:hidden;max-height:0;transition:max-height .3s var(--ease)}
.mobile-menu a{padding:12px 4px;border-bottom:1px solid var(--line);color:var(--muted);font-weight:500}
.mobile-menu.open{max-height:280px;padding-bottom:14px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:15px;padding:11px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .25s,background .2s;white-space:nowrap}
.btn--lg{font-size:16.5px;padding:14px 26px;border-radius:14px}
.btn--block{width:100%;justify-content:center}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px -10px rgba(255,45,85,.7)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -10px rgba(255,45,85,.85)}
.btn--ghost{background:var(--card-hi);color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{background:rgba(255,140,190,.12);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{max-width:var(--max);margin:0 auto;padding:56px 24px 40px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-family:'Space Mono',monospace;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--pink-hi);background:rgba(255,92,168,.1);border:1px solid var(--line);border-radius:999px;padding:5px 13px;margin-bottom:22px}
.hero__title{font-size:clamp(38px,6vw,66px);margin-bottom:20px}
.sweet{position:relative;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sweet::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.14em;border-radius:4px;
  background:var(--grad);opacity:.35}
.hero__sub{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:30px}
.hero__sub strong{color:var(--ink)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero__badges{list-style:none;display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--muted)}
.hero__badges .tick{color:var(--pink);font-weight:700;margin-right:5px}

/* ---------- glass pane (booster mock) ---------- */
.hero__demo{position:relative}
.glasspane{background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.glasspane::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,rgba(255,140,190,.5),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.glasspane--flat{box-shadow:none}
.glasspane__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.glasspane__title{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:.02em;font-size:15px}
.glasspane__key{font-family:'Space Mono',monospace;font-size:11px;color:var(--pink-hi);background:rgba(255,92,168,.14);border:1px solid var(--line);border-radius:7px;padding:3px 8px}
.fpsread{text-align:center;margin-bottom:18px}
.fpsread__num{font-family:'Space Mono',monospace;font-weight:700;font-size:56px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fpsread__label{font-size:12.5px;color:var(--muted);margin-top:4px}
.fpsread__label #fpsDelta{color:var(--pink-hi);font-weight:600}
.fpsbar{height:7px;border-radius:99px;background:rgba(255,255,255,.07);margin-top:12px;overflow:hidden}
.fpsbar span{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .5s var(--ease)}
.toggles{display:grid;gap:9px;margin-bottom:16px}
.toggles--wide{grid-template-columns:1fr 1fr;margin-top:14px;margin-bottom:0}
.tog{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted);
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:11px;padding:9px 13px}
.tog i{width:34px;height:19px;border-radius:99px;background:rgba(255,255,255,.12);position:relative;transition:.2s;flex:none}
.tog i::after{content:"";position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:#fff;transition:.2s}
.tog.on{color:var(--ink)}
.tog.on i{background:var(--grad)}
.tog.on i::after{left:17px}
.presetrow{display:flex;gap:8px}
.chip{flex:1;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;padding:8px 4px;cursor:pointer;transition:.2s}
.chip--active,.chip:hover{color:#fff;background:var(--grad);border-color:transparent}
.slider{display:grid;grid-template-columns:120px 1fr 78px;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-bottom:13px}
.slider b{font-family:'Space Mono',monospace;font-size:12px;color:var(--pink-hi);text-align:right}
.slider__track{height:6px;border-radius:99px;background:rgba(255,255,255,.09);position:relative}
.slider__track i{position:absolute;top:50%;width:15px;height:15px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);box-shadow:0 0 0 4px rgba(255,45,85,.3)}
.slider__track::before{content:"";position:absolute;left:0;top:0;bottom:0;width:var(--w,50%);background:var(--grad);border-radius:99px}
.hero__demo-caption{text-align:center;font-size:13px;color:var(--muted2);margin-top:16px}

/* ---------- stats ---------- */
.stats{max-width:var(--max);margin:20px auto 10px;padding:26px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{text-align:center}
.stat__num{display:block;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:40px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{font-size:13px;color:var(--muted)}

/* ---------- showcase ---------- */
.showcase{max-width:var(--max);margin:0 auto;padding:70px 24px}
.showcase__row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:44px 0}
.showcase__row--rev .showcase__text{order:2}
.kicker{display:inline-block;font-family:'Space Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--pink);margin-bottom:14px}
.kicker--center{display:block;text-align:center}
.showcase__text h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:16px}
.showcase__text p{color:var(--muted);font-size:16.5px;margin-bottom:20px}
.showcase__text em{color:var(--pink-hi);font-style:normal}
.checklist{list-style:none;display:grid;gap:11px;margin-bottom:22px}
.checklist li{position:relative;padding-left:30px;color:var(--muted);font-size:15px}
.checklist li::before{content:"";position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:6px;background:var(--grad);
  box-shadow:0 4px 10px -3px rgba(255,45,85,.6)}
.checklist li::after{content:"✓";position:absolute;left:5px;top:2px;font-size:12px;font-weight:700;color:#fff}

/* splash card */
.splashcard{position:relative;background:radial-gradient(120% 120% at 50% 0%,#2a0f22,#12060f);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px 30px;text-align:center;overflow:hidden;box-shadow:var(--shadow)}
.splashcard__glow{position:absolute;inset:-40% 30% auto;height:60%;background:radial-gradient(circle,rgba(255,45,85,.5),transparent 70%);filter:blur(30px)}
.splashcard__logo{font-size:52px;filter:drop-shadow(0 8px 20px rgba(255,45,85,.6));animation:bob 3s ease-in-out infinite;position:relative}
@keyframes bob{50%{transform:translateY(-8px)}}
.splashcard__hi{font-family:'Space Grotesk',sans-serif;font-size:22px;font-weight:600;margin-top:14px}
.splashcard__user{background:var(--grad-soft);-webkit-background-clip:text;background-clip:text;color:transparent}
.splashcard__compliment{color:var(--pink-hi);font-size:16px;min-height:26px;margin:6px 0 26px}
.splashcard__loadwrap{height:6px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin:0 auto;max-width:240px}
.splashcard__load{height:100%;width:40%;border-radius:99px;background:var(--grad);animation:load 2.4s var(--ease) infinite}
@keyframes load{0%{transform:translateX(-120%)}100%{transform:translateX(360%)}}
.splashcard__foot{font-family:'Space Mono',monospace;font-size:10.5px;letter-spacing:.15em;color:var(--muted2);margin-top:16px;text-transform:uppercase}

/* optimizer card */
.optcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow)}
.optcard__gauges{display:flex;justify-content:space-around;margin-bottom:22px}
.gauge{position:relative;width:92px;height:92px;display:grid;place-items:center}
.gauge svg{transform:rotate(-90deg);width:92px;height:92px}
.gauge .g-bg{fill:none;stroke:rgba(255,255,255,.08);stroke-width:7}
.gauge .g-fg{fill:none;stroke-width:7;stroke-linecap:round;stroke-dasharray:201;transition:stroke-dashoffset 1s var(--ease)}
.gauge .g-fg--a{stroke:#4da3ff;stroke-dashoffset:calc(201 - 201*.38)}
.gauge .g-fg--b{stroke:var(--red);stroke-dashoffset:calc(201 - 201*.61)}
.gauge .g-fg--c{stroke:#ffb020;stroke-dashoffset:calc(201 - 201*.22)}
.gauge span{position:absolute;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;display:flex;flex-direction:column;align-items:center;line-height:1}
.gauge small{font-size:9px;color:var(--muted2);font-weight:500;margin-top:3px;letter-spacing:.05em}
.optcard__row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.optcard__row em{font-style:normal;color:var(--pink-hi);font-family:'Space Mono',monospace;font-size:12.5px}

/* ---------- why grid ---------- */
.why{max-width:var(--max);margin:0 auto;padding:60px 24px}
.why__head{text-align:center;max-width:640px;margin:0 auto 44px}
.why__head h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:14px}
.why__lead{color:var(--muted);font-size:16.5px}
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .25s var(--ease),background .25s,border-color .25s}
.feat:hover{transform:translateY(-5px);background:var(--card-hi);border-color:rgba(255,140,190,.3)}
.feat__ic{font-size:28px;margin-bottom:14px;filter:drop-shadow(0 6px 12px rgba(255,45,85,.4))}
.feat h3{font-size:19px;margin-bottom:8px}
.feat p{color:var(--muted);font-size:14.5px}

/* ---------- downloads ---------- */
.downloads{max-width:var(--max);margin:0 auto;padding:70px 24px}
.downloads__head{text-align:center;max-width:600px;margin:0 auto 40px}
.downloads__head h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:12px}
.downloads__head p{color:var(--muted);font-size:16.5px}
.downloads__grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.dcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;position:relative;overflow:hidden}
.dcard--feature{background:linear-gradient(160deg,rgba(255,45,85,.12),var(--card));border-color:rgba(255,140,190,.28)}
.dcard--feature::before{content:"MOST POPULAR";position:absolute;top:16px;right:-34px;transform:rotate(45deg);
  background:var(--grad);color:#fff;font-family:'Space Mono',monospace;font-size:10px;letter-spacing:.1em;padding:4px 40px}
.dcard__tag{font-family:'Space Mono',monospace;font-size:11.5px;color:var(--pink-hi);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.dcard h3{font-size:26px;margin-bottom:8px}
.dcard__desc{color:var(--muted);font-size:15px;margin-bottom:18px}
.dcard__meta{list-style:none;display:grid;gap:8px;margin-bottom:22px;font-size:13.5px;color:var(--muted)}
.dcard__meta li{padding-left:20px;position:relative}
.dcard__meta li::before{content:"›";position:absolute;left:2px;color:var(--pink)}
.dcard__how{margin-top:16px;font-size:14px}
.dcard__how summary{cursor:pointer;color:var(--pink-hi);font-weight:600;list-style:none}
.dcard__how summary::-webkit-details-marker{display:none}
.dcard__how summary::before{content:"+ ";font-family:'Space Mono',monospace}
.dcard__how[open] summary::before{content:"– "}
.dcard__how ol{margin:14px 0 0 18px;color:var(--muted);display:grid;gap:8px}
.dcard__how a{color:var(--pink-hi);text-decoration:underline}
.downloads__foot{text-align:center;color:var(--muted);margin-top:28px;font-size:14.5px}
.downloads__foot a{color:var(--pink-hi);font-weight:600}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto;padding:60px 24px}
.faq__head{text-align:center;margin-bottom:36px}
.faq__head h2{font-size:clamp(28px,3.6vw,40px)}
.faq__list{display:grid;gap:12px}
.qa{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 20px;transition:border-color .2s}
.qa[open]{border-color:rgba(255,140,190,.3)}
.qa summary{cursor:pointer;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:16.5px;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:22px;color:var(--pink);transition:transform .2s;flex:none}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{color:var(--muted);font-size:15px;padding:0 0 18px}

/* ---------- cta ---------- */
.cta{max-width:var(--max);margin:20px auto 0;padding:0 24px 80px}
.cta__inner{background:radial-gradient(120% 140% at 50% 0%,rgba(255,45,85,.22),var(--bg2));border:1px solid rgba(255,140,190,.28);
  border-radius:var(--r-lg);padding:60px 30px;text-align:center;box-shadow:var(--shadow)}
.cta__inner h2{font-size:clamp(30px,4vw,46px);margin-bottom:12px}
.cta__inner p{color:var(--muted);font-size:17px;margin-bottom:28px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:50px 24px 30px;background:var(--bg2)}
.foot__top{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid var(--line)}
.brand--foot p{color:var(--muted);font-size:14px;margin-top:10px;max-width:260px}
.foot__cols{display:flex;gap:60px}
.foot__cols h4{font-size:14px;margin-bottom:14px;color:var(--ink)}
.foot__cols a{display:block;color:var(--muted);font-size:14px;padding:4px 0;transition:color .2s}
.foot__cols a:hover{color:var(--pink-hi)}
.foot__bar{max-width:var(--max);margin:26px auto 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:var(--muted2)}
.foot__legal{max-width:520px;text-align:right}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .mobile-menu{display:flex}
  .hero{grid-template-columns:1fr;gap:40px;padding-top:34px}
  .hero__demo{max-width:460px}
  .stats{grid-template-columns:1fr 1fr;gap:24px}
  .showcase__row{grid-template-columns:1fr;gap:34px;padding:34px 0}
  .showcase__row--rev .showcase__text{order:0}
  .why__grid{grid-template-columns:1fr 1fr}
  .downloads__grid{grid-template-columns:1fr}
  .foot__legal{text-align:left}
}
@media(max-width:560px){
  .why__grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .foot__cols{gap:36px}
  .btn--lg{width:100%;justify-content:center}
  .hero__actions{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}