/* Clif — Signal direction. Dark premium, acid-lime + ember on near-black. */
:root{
  --bg:#0E0D12;
  --bg2:#0A0910;
  --surf:#17151D;
  --surf2:#211E29;
  --surf3:#2B2836;
  --line:rgba(255,255,255,0.08);
  --line2:rgba(255,255,255,0.14);
  --text:#F4F1EA;
  --text2:#A39FB0;
  --text3:#726E80;
  --acid:oklch(0.86 0.19 124);
  --acid-dim:oklch(0.86 0.19 124 / 0.14);
  --ember:oklch(0.72 0.16 28);
  --ember-dim:oklch(0.72 0.16 28 / 0.14);
  --ink:#0E0D12;
  --display:'Space Grotesk',sans-serif;
  --body:'Hanken Grotesk',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --maxw:1200px;
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:34px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);font-family:var(--body);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
::selection{background:var(--acid);color:var(--ink)}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.display{font-family:var(--display);font-weight:700;letter-spacing:-0.03em;line-height:1.0}
.eyebrow{font-family:var(--display);font-weight:600;font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--acid)}
.muted{color:var(--text2)}

/* ── logo mark (ascent bars) ── */
.mark{display:inline-flex;align-items:flex-end;gap:3px;height:1em;width:1.05em;vertical-align:-0.04em}
.mark i{display:block;width:26%;border-radius:99px;background:var(--text)}
.mark i:nth-child(1){height:50%}
.mark i:nth-child(2){height:74%}
.mark i:nth-child(3){height:100%;background:var(--acid)}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:-0.02em}
.logo .mark{font-size:26px}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--display);font-weight:600;font-size:15px;padding:14px 26px;border-radius:99px;cursor:pointer;border:none;transition:transform .25s cubic-bezier(.2,.7,.3,1),background .25s,box-shadow .25s;white-space:nowrap}
.btn-acid{background:var(--acid);color:var(--ink)}
.btn-acid:hover{transform:translateY(-2px);box-shadow:0 14px 34px -8px oklch(0.86 0.19 124 / 0.5)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line2)}
.btn-ghost:hover{background:var(--surf2);border-color:var(--text3)}
.btn-sm{padding:11px 20px;font-size:14px}
.play-dot{width:22px;height:22px;border-radius:50%;background:var(--ink);display:inline-flex;align-items:center;justify-content:center}
.play-dot::before{content:"";border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:8px solid var(--acid);margin-left:2px}

/* ── nav ── */
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:1120px;z-index:100;
  display:flex;align-items:center;justify-content:space-between;padding:12px 14px 12px 22px;
  background:rgba(14,13,18,0.66);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:99px;transition:all .35s}
.nav.scrolled{top:10px;background:rgba(14,13,18,0.86);box-shadow:0 12px 40px -12px rgba(0,0,0,0.6)}
.nav-links{display:flex;gap:30px;font-weight:600;font-size:14.5px}
.nav-links a{color:var(--text2);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-login{font-family:var(--display);font-weight:600;font-size:14.5px;padding:0 8px}
.menu-btn{display:none;background:none;border:none;color:var(--text);cursor:pointer}

/* ── section frame ── */
section{position:relative}
.sec{padding:110px 0}
.sec-head{max-width:680px;margin:0 auto 60px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.sec-title{font-size:clamp(32px,4.4vw,52px)}
.sec-sub{font-size:19px;color:var(--text2);margin-top:18px;text-wrap:pretty}

/* ── hero ── */
.hero{padding:170px 0 80px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(46px,6.6vw,86px);letter-spacing:-0.04em}
.hero h1 .acid{color:var(--acid)}
.hero-sub{font-size:21px;color:var(--text2);max-width:480px;margin:26px 0 34px;text-wrap:pretty}
.hero-cta{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.hero-pill{display:inline-flex;align-items:center;gap:9px;background:var(--surf2);border:1px solid var(--line);padding:7px 15px 7px 11px;border-radius:99px;font-size:13.5px;font-weight:600;color:var(--text2);margin-bottom:26px}
.hero-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--acid);box-shadow:0 0 0 4px oklch(0.86 0.19 124 / 0.2)}
.hero-stats{display:flex;gap:34px;margin-top:46px}
.hero-stats .n{font-family:var(--display);font-weight:700;font-size:30px;letter-spacing:-0.02em;white-space:nowrap}
.hero-stats .l{font-size:13.5px;color:var(--text2);margin-top:2px}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-glow{position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,oklch(0.86 0.19 124 / 0.22),transparent 65%);filter:blur(30px);z-index:0}
.bg-grid{position:absolute;inset:0;z-index:-2;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);opacity:.5}

/* ── phone ── */
.phone{position:relative;z-index:1;width:296px;height:606px;border-radius:48px;background:#000;padding:11px;box-shadow:0 50px 100px -28px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,0.06)}
.phone-screen{width:100%;height:100%;border-radius:38px;background:var(--bg);overflow:hidden;position:relative;display:flex;flex-direction:column}
.notch{position:absolute;top:13px;left:50%;transform:translateX(-50%);width:88px;height:22px;background:#000;border-radius:99px;z-index:5}
.ph-status{display:flex;justify-content:space-between;align-items:center;padding:15px 24px 4px;font-size:12px;font-weight:700}
.ph-top{display:flex;align-items:center;justify-content:space-between;padding:10px 20px}
.ph-streak{display:inline-flex;align-items:center;gap:5px;font-weight:700;font-size:13px;color:var(--ember);background:var(--ember-dim);padding:5px 11px;border-radius:99px}
.ph-body{padding:6px 20px 0;flex:1;display:flex;flex-direction:column}
.ph-label{font-size:11px;font-weight:700;letter-spacing:0.1em;color:var(--text3);text-transform:uppercase}
.ph-cover{margin:14px auto 0;width:150px;height:204px;border-radius:14px;background:linear-gradient(155deg,#2A2733,#17151D);box-shadow:0 22px 40px -14px rgba(0,0,0,.6);display:flex;flex-direction:column;justify-content:flex-end;padding:14px;position:relative;overflow:hidden}
/* when hosting a rendered Clif cover, strip the placeholder chrome */
#phCover{background:none;padding:0;height:auto;width:138px;overflow:visible}
#phCover::before{display:none}
#phCover .cover{width:138px;box-shadow:0 22px 40px -14px rgba(0,0,0,.6);border-radius:16px}
/* book covers share the site's box radius */
.lib-grid .cover{border-radius:16px}
.ph-cover::before{content:"";position:absolute;top:-30px;right:-30px;width:120px;height:120px;border-radius:50%;background:oklch(0.86 0.19 124 / 0.16)}
.ph-cover .ct{font-family:var(--display);font-weight:700;font-size:21px;line-height:1.0;position:relative}
.ph-cover .ca{font-size:10px;color:var(--text2);margin-top:5px;letter-spacing:0.08em;position:relative}
.ph-prog{margin-top:18px}
.ph-bar{height:5px;border-radius:99px;background:rgba(255,255,255,0.1)}
.ph-bar i{display:block;height:100%;width:85%;border-radius:99px;background:var(--acid)}
.ph-prog .meta{display:flex;justify-content:space-between;font-size:11px;color:var(--text2);margin-top:7px}
.ph-player{margin-top:auto;padding:14px 20px 26px;display:flex;align-items:center;justify-content:center;gap:24px}
.ph-player .ico{font-size:17px;color:var(--text2)}
.ph-play{width:56px;height:56px;border-radius:50%;background:var(--acid);display:flex;align-items:center;justify-content:center}
.ph-play::before{content:"";border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:14px solid var(--ink);margin-left:3px}

/* ── marquee ── */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;overflow:hidden;display:flex;white-space:nowrap;background:var(--bg2)}
.marquee-row{display:flex;align-items:center;gap:48px;animation:scroll 34s linear infinite;padding-right:48px}
.marquee-row span{font-family:var(--display);font-weight:600;font-size:18px;color:var(--text3);display:inline-flex;align-items:center;gap:48px}
.marquee-row span::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid);opacity:.5}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ── how it works ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--surf);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;position:relative;overflow:hidden;transition:border-color .3s,transform .3s}
.step:hover{border-color:var(--line2);transform:translateY(-4px)}
.step .num{font-family:var(--mono);font-size:13px;color:var(--acid);font-weight:600}
.step h3{font-family:var(--display);font-size:22px;font-weight:600;margin:18px 0 10px;letter-spacing:-0.01em}
.step p{color:var(--text2);font-size:15.5px}
.step .glyph{width:48px;height:48px;border-radius:13px;background:var(--surf2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:6px}

/* ── feature split ── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .split-media{order:-1}
.feat-list{display:flex;flex-direction:column;gap:18px;margin-top:30px}
.feat-list li{display:flex;gap:14px;align-items:flex-start;font-size:16px}
.feat-check{flex:none;width:26px;height:26px;border-radius:8px;background:var(--acid-dim);color:var(--acid);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-top:1px}
.media-card{background:var(--surf);border:1px solid var(--line);border-radius:var(--r-xl);padding:34px;position:relative;overflow:hidden}

/* audio waveform (simple bars) */
.wave{display:flex;align-items:center;gap:5px;height:120px;justify-content:center;margin:10px 0 26px}
.wave i{width:6px;height:100%;border-radius:99px;background:var(--acid);opacity:.85;transform:scaleY(.18);transform-origin:center;animation:waveA 1.3s ease-in-out infinite}
.wave i:nth-child(even){background:var(--ember);opacity:.7}
@keyframes waveA{0%,100%{transform:scaleY(.16)}50%{transform:scaleY(1)}}
.audio-row{display:flex;align-items:center;gap:14px;background:var(--surf2);border:1px solid var(--line);border-radius:99px;padding:10px 16px}
.audio-row .pp{width:40px;height:40px;border-radius:50%;background:var(--acid);flex:none;display:flex;align-items:center;justify-content:center}
.audio-row .pp::before{content:"";border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:2px}
.audio-meta{flex:1}
.audio-meta .t{font-family:var(--display);font-weight:600;font-size:15px}
.audio-meta .s{font-size:12.5px;color:var(--text2)}
.speed{font-family:var(--mono);font-size:12px;color:var(--acid);border:1px solid var(--line2);padding:4px 9px;border-radius:99px}

/* ── habit / streak ── */
.habit{background:var(--surf);border:1px solid var(--line);border-radius:var(--r-xl);padding:46px}
.ring-wrap{display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.ring{--p:78;width:150px;height:150px;border-radius:50%;flex:none;
  background:conic-gradient(var(--acid) calc(var(--p)*1%),var(--surf3) 0);
  display:flex;align-items:center;justify-content:center;position:relative}
.ring::after{content:"";position:absolute;inset:13px;border-radius:50%;background:var(--surf)}
.ring .rc{position:relative;text-align:center}
.ring .rc b{font-family:var(--display);font-size:30px;font-weight:700;display:block;line-height:1}
.ring .rc s{font-size:11px;color:var(--text2);text-decoration:none}
.streak-days{display:flex;gap:9px;margin-top:8px}
.streak-days .d{width:38px;height:46px;border-radius:11px;background:var(--surf2);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text2)}
.streak-days .d.on{background:var(--ember-dim);border-color:transparent;color:var(--ember)}
.streak-days .d .dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.badge2{display:inline-flex;align-items:center;gap:8px;background:var(--surf2);border:1px solid var(--line);padding:9px 14px;border-radius:99px;font-size:13px;font-weight:600}

/* ── library ── */
.lib-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.book{aspect-ratio:2/3;border-radius:14px;padding:18px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;cursor:pointer;transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s}
.book:hover{transform:translateY(-8px) rotate(-1deg);box-shadow:0 28px 50px -18px rgba(0,0,0,.7)}
.book .bt{font-family:var(--display);font-weight:700;font-size:21px;line-height:1.02;letter-spacing:-0.01em}
.book .ba{font-size:11px;letter-spacing:0.1em;text-transform:uppercase;opacity:.8;font-weight:600}
.book .btime{font-family:var(--mono);font-size:11px;background:rgba(0,0,0,0.28);padding:4px 9px;border-radius:99px;align-self:flex-start;backdrop-filter:blur(4px)}
.book.b1{background:linear-gradient(155deg,#3D2BB8,#6B5BFF);color:#fff}
.book.b2{background:linear-gradient(155deg,#0B6E5B,#16B894);color:#fff}
.book.b3{background:linear-gradient(155deg,#B5410E,#F0792B);color:#fff}
.book.b4{background:linear-gradient(155deg,#1D2B4D,#3E5C9A);color:#fff}
.book.b5{background:linear-gradient(155deg,#7A1230,#D43A5E);color:#fff}
.book.b6{background:linear-gradient(155deg,#5C4B12,#C9A227);color:#fff}
.book.b7{background:linear-gradient(155deg,#13322B,#2E7D5B);color:#fff}
.book.b8{background:linear-gradient(155deg,#2A2440,#5A4F86);color:#fff}
.book.b9{background:linear-gradient(155deg,#7C2A12,#E0612B);color:#fff}
.book.b10{background:linear-gradient(155deg,#13294B,#2D6FB0);color:#fff}

/* ── quote / highlight cards ── */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.qcard{background:var(--surf);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;position:relative}
.qcard .qm{font-family:var(--display);font-size:54px;line-height:0.6;color:var(--acid);height:26px}
.qcard p{font-family:var(--display);font-weight:500;font-size:19px;line-height:1.4;letter-spacing:-0.01em;margin:14px 0 22px;text-wrap:pretty}
.qcard .qmeta{display:flex;align-items:center;gap:11px;border-top:1px solid var(--line);padding-top:16px}
.qcard .qmeta>div{flex:1;min-width:0}
.qcard .qa{width:34px;height:34px;border-radius:9px;background:var(--surf3);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:14px;color:var(--acid)}
.qcard .qn{font-size:13.5px;font-weight:600}
.qcard .qs{font-size:12px;color:var(--text2)}

/* ── testimonial band ── */
.tband{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.tband .n{font-family:var(--display);font-weight:700;font-size:clamp(34px,4vw,46px);color:var(--acid);letter-spacing:-0.02em}
.tband .l{font-size:14.5px;color:var(--text2);margin-top:6px}

/* ── cta ── */
.cta{background:linear-gradient(135deg,var(--surf),var(--surf2));border:1px solid var(--line);border-radius:var(--r-xl);padding:72px 48px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,oklch(0.86 0.19 124 / 0.18),transparent 65%);filter:blur(20px)}
.cta-inner{position:relative}
.cta h2{font-size:clamp(34px,4.6vw,58px);letter-spacing:-0.03em}
.cta p{font-size:19px;color:var(--text2);margin:20px auto 34px;max-width:520px}
.store-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.store{display:inline-flex;align-items:center;gap:11px;background:var(--ink);border:1px solid var(--line2);padding:12px 22px;border-radius:14px;font-family:var(--display)}
.store .sg{font-size:24px}
.store .st{text-align:left;line-height:1.1}
.store .st small{font-size:10.5px;color:var(--text2);display:block}
.store .st b{font-size:16px;font-weight:600}

/* ── footer ── */
.footer{border-top:1px solid var(--line);padding:64px 0 36px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{color:var(--text2);font-size:14.5px;margin:16px 0 20px;max-width:280px}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text2);transition:all .2s}
.socials a:hover{color:var(--acid);border-color:var(--line2)}
.foot-col h4{font-family:var(--display);font-size:14px;font-weight:600;margin-bottom:16px}
.foot-col a{display:block;color:var(--text2);font-size:14px;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{border-top:1px solid var(--line);margin-top:50px;padding-top:26px;display:flex;justify-content:space-between;align-items:center;color:var(--text3);font-size:13px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;text-align:center;gap:10px}
  .hero-visual{margin-top:30px}
  .hero-sub,.hero-cta{margin-left:auto;margin-right:auto}
  .hero-stats{justify-content:center}
  .hero-pill{margin-left:auto;margin-right:auto}
  .split{grid-template-columns:1fr;gap:36px}
  .split.rev .split-media{order:0}
  .steps{grid-template-columns:1fr}
  .lib-grid{grid-template-columns:repeat(3,1fr)}
  .quotes{grid-template-columns:1fr}
  .tband{grid-template-columns:repeat(2,1fr);gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .wrap{padding:0 20px}
  .nav-links{display:none}
  .nav-login{display:none}
  .menu-btn{display:block}
  .sec{padding:74px 0}
  .lib-grid{grid-template-columns:repeat(2,1fr)}
  .ring-wrap{justify-content:center;text-align:center}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:12px}
}