/* ===========================================================
   Evolvea — landing prototype (matches recorded design)
   =========================================================== */
:root{
  /* Light hero */
  --cream:#f4f2ec;
  --cream-hi:#fbfaf6;
  --ink:#161f33;
  --ink-soft:#5a6475;
  --ink-line:#e2ddd2;

  /* Dark demo */
  --navy-900:#080b14;
  --navy-850:#0a0e1a;
  --navy-800:#0e1320;
  --navy-700:#141a2a;
  --navy-650:#181f30;
  --navy-600:#1e2638;
  --navy-line:#272f44;
  --sky:#8cc0ea;
  --sky-soft:#a9d2f0;
  --sky-deep:#5b9fd6;
  --d-text:#eef3fb;
  --d-mut:#9aa6bc;
  --d-faint:#6e7a90;

  --container:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --radius:18px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--cream);
  line-height:1.6;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
em{font-style:normal}
h1,h2,h3{letter-spacing:-.03em;line-height:1.06;font-weight:700;color:var(--ink)}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:28px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:600;font-size:.96rem;line-height:1;border-radius:999px;
  padding:.85rem 1.5rem;transition:transform .2s var(--ease),background .2s,box-shadow .2s,color .2s;
  white-space:nowrap;
}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 24px -12px rgba(22,31,51,.7)}
.btn-dark:hover{transform:translateY(-2px);background:#0f1726}
.btn-text{color:var(--ink);font-weight:600}
.btn-text:hover{color:var(--ink-soft)}
/* Coming-soon badge (replaces the old CTA) */
.badge-soon{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.78rem;font-weight:600;letter-spacing:.02em;color:var(--ink-soft);
  background:rgba(22,31,51,.05);border:1px solid var(--ink-line);
  padding:.5rem .9rem;border-radius:999px;white-space:nowrap;
}
.bs-dot{width:7px;height:7px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 3px rgba(140,192,234,.22)}
.bs-dot{position:relative}
.bs-dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--sky);animation:soonpulse 2s ease-out infinite}
@keyframes soonpulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(2.6);opacity:0}}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .35s,box-shadow .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{background:rgba(244,242,236,.86);backdrop-filter:saturate(180%) blur(14px);border-color:var(--ink-line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;font-size:1.18rem;letter-spacing:-.03em;color:var(--ink)}
.brand-dot{width:13px;height:13px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 4px rgba(140,192,234,.22)}
.brand-dot-light{background:var(--sky)}
/* header turns light when over the dark demo section */
.site-header.on-dark .brand{color:#fff}
.site-header.on-dark.scrolled{background:rgba(10,14,26,.8);border-color:var(--navy-line)}
.site-header.on-dark .badge-soon{background:rgba(255,255,255,.06);border-color:var(--navy-line);color:#c2cce0}

/* ===== Hero ===== */
.hero{
  position:relative;display:flex;align-items:center;
  padding:clamp(5.5rem,10vh,7.5rem) 0 clamp(2.4rem,4vw,3.4rem);
  background:
    radial-gradient(120% 90% at 50% 18%,var(--cream-hi),transparent 55%),
    radial-gradient(140% 120% at 50% 120%,#ece7dc,transparent 60%),
    var(--cream);
  overflow:hidden;
}
.hero-inner{max-width:880px;margin-inline:auto;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:1.2rem;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 3px rgba(140,192,234,.25)}
.hero-title{
  font-size:clamp(2.7rem,6.4vw,4.7rem);font-weight:700;letter-spacing:-.035em;
  line-height:1.02;color:var(--ink);max-width:15ch;
}
.hero-lead{
  font-size:clamp(1.05rem,1.5vw,1.22rem);color:var(--ink-soft);
  margin:1.3rem 0 1.9rem;max-width:52ch;line-height:1.6;
}
.hero-actions{display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap}
.hero-note{margin-top:1.15rem;font-size:.85rem;color:#8a8675;display:flex;align-items:center;gap:.5rem}
.hero-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sky);flex:none}

/* ===== Shared section heading ===== */
.sec-title{font-size:clamp(1.7rem,3.4vw,2.45rem);font-weight:700;letter-spacing:-.03em;max-width:24ch;margin-bottom:1.5rem}
.sec-title-tight{max-width:18ch;margin-bottom:2rem}

/* ===== About the project (light) ===== */
.project{background:var(--cream);padding:clamp(2.8rem,5vw,4.2rem) 0;border-top:1px solid var(--ink-line)}
.project-lead{font-size:1.04rem;color:var(--ink-soft);max-width:64ch;line-height:1.6}
.project-lead + .project-lead{margin-top:.9rem}
.project-lead b{color:var(--ink)}
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin-top:2rem}
.who-card{background:var(--cream-hi);border:1px solid var(--ink-line);border-radius:var(--radius);padding:1.4rem}
.who-card h3{font-size:1.08rem;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:.6rem;margin-bottom:.7rem}
.who-ico{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:rgba(140,192,234,.16);color:var(--sky-deep);flex:none}
.who-ico svg{width:19px;height:19px}
.who-card p{font-size:.92rem;color:var(--ink-soft);line-height:1.5}
.cats{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.cat-chip{font-size:.84rem;font-weight:600;color:var(--ink-soft);background:rgba(22,31,51,.04);border:1px solid var(--ink-line);padding:.45rem .85rem;border-radius:999px}
.model{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ink-line);border:1px solid var(--ink-line);border-radius:var(--radius);overflow:hidden;margin-top:1.6rem}
.model-cell{background:var(--cream-hi);padding:1.3rem 1.3rem;text-align:center}
.model-cell b{display:block;font-size:1.5rem;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.model-cell span{display:block;margin-top:.3rem;font-size:.82rem;color:var(--ink-soft);line-height:1.4}
.model-note{margin-top:1rem;font-size:.8rem;color:#8a8675}

/* ===== Why it works (light) ===== */
.info{background:var(--cream);padding:clamp(2.8rem,5vw,4rem) 0;border-top:1px solid var(--ink-line)}
.info-eyebrow{margin-bottom:1rem}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.info-card{padding:1.5rem 1.5rem 1.6rem;background:var(--cream-hi);border:1px solid var(--ink-line);border-radius:var(--radius)}
.info-no{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.05em;color:var(--sky-deep);font-variant-numeric:tabular-nums;margin-bottom:.7rem}
.info-card h3{font-size:1.18rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem}
.info-card p{font-size:.95rem;color:var(--ink-soft);line-height:1.55}

/* ===== Demo (dark) ===== */
.demo{
  position:relative;background:var(--navy-850);color:var(--d-text);
  padding:clamp(2.8rem,5vw,4.6rem) 0;overflow:hidden;
}
.demo::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 460px at 12% 8%,rgba(70,120,190,.20),transparent 60%),
    radial-gradient(820px 600px at 92% 60%,rgba(86,150,214,.16),transparent 62%),
    radial-gradient(600px 500px at 60% 120%,rgba(40,70,120,.18),transparent 60%);
}
.demo-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.eyebrow-dark{color:#7f93b4}
.eyebrow-dark .dot{background:var(--sky)}
.demo-title{font-size:clamp(2rem,4.4vw,3.3rem);font-weight:700;letter-spacing:-.035em;color:#fff;line-height:1.04}
.demo-title em{color:var(--sky);font-style:normal}
.demo-lead{font-size:clamp(1rem,1.4vw,1.13rem);color:var(--d-mut);margin:1.4rem 0 2.2rem;max-width:46ch;line-height:1.62}
.demo-steps{list-style:none;display:flex;flex-direction:column;gap:1.05rem;max-width:46ch}
.demo-steps li{display:flex;gap:1rem;font-size:1.02rem;color:#cdd6e6;align-items:baseline}
.ds-no{flex:none;font-size:.8rem;font-weight:700;color:var(--sky-deep);letter-spacing:.05em;width:1.6rem;font-variant-numeric:tabular-nums}

/* ===== Phone ===== */
.demo-device{display:flex;justify-content:center}
.phone{
  width:min(360px,100%);background:#0c1019;
  border-radius:42px;padding:11px;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.05),inset 0 0 0 1px rgba(255,255,255,.03);
  position:relative;
}
.phone::before{
  content:"";position:absolute;top:18px;left:50%;transform:translateX(-50%);
  width:42%;height:7px;border-radius:99px;background:#05070d;z-index:3;
}
.phone-screen{
  background:linear-gradient(180deg,#0f1422,#0c1019);
  border-radius:32px;overflow:hidden;display:flex;flex-direction:column;
  height:600px;border:1px solid rgba(255,255,255,.04);
}
.ph-status{display:flex;justify-content:space-between;align-items:center;padding:.95rem 1.4rem .35rem;color:#cfd8e8}
.ph-time{font-size:.82rem;font-weight:600}
.ph-icons{display:inline-flex;gap:.4rem;align-items:center;color:#cfd8e8}
.ph-appbar{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1.2rem .8rem}
.ph-brand{display:inline-flex;align-items:center;gap:.45rem;font-weight:700;font-size:.95rem;color:#fff}
.ph-brand-dot{width:11px;height:11px;border-radius:50%;background:var(--sky)}
.ph-brand small{font-weight:500;font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:#6b7a93;margin-left:.15rem}
.ph-kid{font-size:.72rem;font-weight:600;color:#c2cee0;background:#161d2c;border:1px solid var(--navy-line);padding:.32rem .6rem;border-radius:999px}

/* tabs */
.ph-tabs{display:flex;gap:.05rem;padding:0 .5rem;border-bottom:1px solid var(--navy-line)}
.ph-tab{
  flex:1;font-size:.5rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;
  color:#5f6d85;padding:.6rem .05rem;position:relative;transition:color .2s;white-space:nowrap;
}
.ph-tab:hover{color:#92a2bd}
.ph-tab.is-active{color:#fff}
.ph-tab.is-done{color:var(--sky-deep)}
.ph-tab.is-active::after{content:"";position:absolute;left:14%;right:14%;bottom:-1px;height:2px;border-radius:2px;background:var(--sky)}

/* body / panels */
.ph-body{position:relative;flex:1;min-height:0}
.ph-panel{position:absolute;inset:0;display:flex;flex-direction:column;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.ph-panel.is-active{opacity:1;visibility:visible;transform:none}
.ph-scroll{flex:1;overflow-y:auto;padding:1.2rem 1.3rem .6rem;scrollbar-width:none}
.ph-scroll::-webkit-scrollbar{display:none}
.ph-kicker{display:inline-block;font-size:.62rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#6f7e98;margin-bottom:.55rem}
.ph-h{font-size:1.35rem;font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.15}
.ph-sub{display:block;font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#6f7e98;margin:.5rem 0 .9rem}
.ph-text{font-size:.9rem;color:#b7c2d4;line-height:1.55}
.ph-note{margin-top:1.1rem;background:rgba(255,255,255,.035);border:1px solid var(--navy-line);border-radius:14px;padding:.85rem .95rem}
.ph-note-label{display:block;font-size:.6rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#6f7e98;margin-bottom:.35rem}
.ph-note p{font-size:.84rem;color:#aeb9cc;line-height:1.5}
.ph-note b{color:var(--sky-soft);font-weight:600}

/* read jobs */
.ph-jobs{list-style:none;display:flex;flex-direction:column;gap:.65rem;margin-top:1rem}
.ph-jobs li{display:flex;gap:.8rem;background:rgba(255,255,255,.035);border:1px solid var(--navy-line);border-radius:13px;padding:.8rem .9rem}
.ph-jno{flex:none;font-size:.72rem;font-weight:700;color:var(--sky-deep);font-variant-numeric:tabular-nums}
.ph-jobs p{font-size:.86rem;color:#bcc6d8;line-height:1.45}
.ph-jobs i{color:#dbe5f3;font-style:italic}

/* do / signals */
.ph-rec{display:inline-flex;align-items:center;gap:.4rem;color:#d98a8a !important}
.rec-dot{width:7px;height:7px;border-radius:50%;background:#e26d6d;animation:pulse 1.3s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.ph-timer{color:#8b97ac;font-variant-numeric:tabular-nums}
.ph-signals{display:grid;grid-template-columns:1fr 1fr;gap:.55rem;margin-top:1rem}
.ph-signal{
  text-align:left;font-size:.82rem;font-weight:500;color:#c2cce0;
  background:rgba(255,255,255,.035);border:1px solid var(--navy-line);border-radius:12px;
  padding:.7rem .75rem;position:relative;transition:.18s var(--ease);
}
.ph-signal::before{content:"";position:absolute;top:.7rem;right:.7rem;width:7px;height:7px;border-radius:50%;border:1.5px solid #46506a}
.ph-signal:hover{border-color:#394a66}
.ph-signal.on{background:rgba(140,192,234,.14);border-color:var(--sky-deep);color:#fff}
.ph-signal.on::before{background:var(--sky);border-color:var(--sky)}
.ph-captured{margin-top:.9rem;font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#6f7e98}
.ph-captured b{color:var(--sky);font-size:.8rem}

/* reflect */
.ph-q{font-size:.88rem;color:#c8d2e3;background:rgba(255,255,255,.035);border:1px solid var(--navy-line);border-radius:12px;padding:.75rem .85rem;margin-top:.6rem}

/* anchor — selectable statements */
.ph-say{
  display:block;width:100%;text-align:left;font-size:.92rem;font-weight:500;color:#cdd7e8;
  background:rgba(255,255,255,.035);border:1px solid var(--navy-line);border-radius:12px;
  padding:.8rem .9rem;margin-top:.6rem;transition:.18s var(--ease);font-style:italic;
}
.ph-say:hover{border-color:#394a66;color:#fff}
.ph-say.sel{background:rgba(140,192,234,.16);border-color:var(--sky-deep);color:#fff;font-style:normal}

/* open-question text fields */
.ph-field{margin-top:.85rem}
.ph-field-label{display:block;font-size:.84rem;font-weight:500;color:#c8d2e3;margin-bottom:.4rem;line-height:1.35}
.ph-opt{color:#6f7e98;font-weight:500}
.ph-input{
  display:block;width:100%;font-family:inherit;font-size:.85rem;color:#eef3fb;
  background:rgba(255,255,255,.04);border:1px solid var(--navy-line);border-radius:11px;
  padding:.6rem .7rem;resize:none;line-height:1.45;transition:border-color .18s,background .18s;
}
.ph-input::placeholder{color:#5b6883}
.ph-input:focus{outline:none;border-color:var(--sky-deep);background:rgba(140,192,234,.08)}

/* sent — success slide */
.ph-sent{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:1.8rem}
.ph-check{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(180deg,#bfe0f6,#93c5ec);color:#0c1730;font-size:1.7rem;font-weight:800;
  margin-bottom:1.1rem;box-shadow:0 12px 26px -10px rgba(140,192,234,.85);animation:checkpop .4s var(--ease)}
@keyframes checkpop{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}
.ph-sent .ph-text{color:#b7c2d4}
.ph-note-full{width:100%;text-align:left;margin-top:1.2rem}

/* done */
.ph-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.55rem;margin-top:1.1rem}
.ph-stat{background:rgba(255,255,255,.035);border:1px solid var(--navy-line);border-radius:13px;padding:.85rem .4rem;text-align:center}
.ph-stat b{display:block;font-size:1.3rem;font-weight:700;color:#fff}
.ph-stat span{font-size:.62rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#6f7e98}

/* footer buttons */
.ph-foot{padding:.9rem 1.3rem 1.2rem;display:flex}
.ph-foot-split{justify-content:space-between;align-items:center;gap:.8rem}
.ph-btn{font-size:.88rem;font-weight:600;border-radius:999px;padding:.85rem 1.2rem;transition:.18s var(--ease)}
.ph-btn-primary{flex:1;background:linear-gradient(180deg,#bfe0f6,#93c5ec);color:#0c1730;box-shadow:0 10px 22px -12px rgba(140,192,234,.8)}
.ph-btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04)}
.ph-foot-split .ph-btn-primary{flex:none}
.ph-btn-ghost{color:#9aa6bc;padding-left:.4rem;padding-right:.4rem}
.ph-btn-ghost:hover{color:#fff}

/* ===== Footer ===== */
.site-footer{background:var(--navy-900);color:#7e8aa0;padding:2.4rem 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.site-footer .brand{color:#fff;font-size:1.05rem}
.site-footer small{font-size:.82rem}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .rec-dot{animation:none}
  html{scroll-behavior:auto}
}

/* ===== Responsive ===== */
@media (max-width:920px){
  .demo-inner{grid-template-columns:1fr;gap:2.4rem}
  .demo-device{order:2}
  .who-grid,.model{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr;gap:1.1rem}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{padding-inline:20px}
  .hero-actions{gap:1rem}
  .phone{width:100%;max-width:340px}
}