:root{
  --bg:#0E1620;
  --surface:#152230;
  --glass:rgba(21,34,48,0.6);
  --border:rgba(88,214,214,0.12);
  --teal:#5CD1D6;
  --teal-deep:#2FA6AD;
  --text:#F4F7F9;
  --muted:#8FA0AE;
  --amber:#E8935A;
  --maxw:1200px;
  --display:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.skip-link{position:absolute;left:-999px;top:0;background:var(--teal);color:#04121a;padding:10px 16px;z-index:2000;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

.kicker{
  display:inline-block;font-family:var(--body);font-weight:600;
  font-size:12px;letter-spacing:0.22em;text-transform:uppercase;
  color:var(--teal);margin-bottom:18px;
}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.02;letter-spacing:-0.02em;margin:0}
.amber{color:var(--amber)}
.muted-p{color:var(--muted)}
.teal-line{color:var(--teal)!important;font-weight:500}

/* focus */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;
}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(14,22,32,0.72);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.04);
  transition:background .3s;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.brand-logo{height:52px;width:auto}
.main-nav{display:flex;gap:30px;align-items:center;margin-left:auto}
.nav-link{font-size:15px;color:var(--muted);font-weight:500;position:relative;padding:4px 0;transition:color .2s}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--teal);border-radius:2px}
.btn-download{
  background:var(--teal);color:#04121a;font-weight:600;font-size:14px;
  padding:9px 18px;border-radius:999px;transition:background .2s,transform .2s;
}
.btn-download:hover{background:var(--teal-deep);transform:translateY(-1px)}
.header-cta{margin-left:8px}
.hamburger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* MOBILE MENU */
.mobile-menu{
  position:fixed;inset:0;z-index:1000;background:rgba(14,22,32,0.97);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:.3s;
}
.mobile-menu.open{opacity:1;visibility:visible}
.menu-close{position:absolute;top:22px;right:24px;background:none;border:0;color:var(--text);font-size:38px;line-height:1;cursor:pointer}
.mobile-nav{display:flex;flex-direction:column;gap:26px;text-align:center}
.mobile-nav a{font-family:var(--display);font-size:26px;font-weight:600;color:var(--text)}
.mobile-nav a.active{color:var(--teal)}
.mobile-nav .btn-download{font-family:var(--body);font-size:16px;margin-top:12px}

/* GRAIN */
.grain{
  position:absolute;inset:0;pointer-events:none;opacity:.05;z-index:0;
  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='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* HALO */
.halo{
  position:absolute;width:520px;height:520px;max-width:110%;border-radius:50%;
  background:radial-gradient(circle,rgba(92,209,214,0.28),transparent 66%);
  filter:blur(20px);z-index:0;left:50%;top:50%;transform:translate(-50%,-50%);
}
.halo.soft{background:radial-gradient(circle,rgba(92,209,214,0.16),transparent 65%)}
.halo.center{width:700px;height:700px;max-width:120%;left:50%;top:20%;transform:translateX(-50%);opacity:.5}

/* HERO */
.hero{position:relative;overflow:hidden;padding:70px 0 90px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.7rem,7vw,5.2rem)}
.hero-sub{max-width:440px;color:var(--muted);font-size:19px;margin:26px 0 32px}
.appstore-badge{width:190px;height:auto;border-radius:12px}
.badge-link{display:inline-block;transition:transform .2s}
.badge-link:hover{transform:translateY(-2px)}
.calm-inline{display:flex;align-items:center;gap:12px;margin-top:34px;color:var(--muted);font-size:13px;letter-spacing:.05em}
.calm-label{text-transform:uppercase;letter-spacing:.16em;font-weight:600;font-size:11px}
.calm-num{font-family:var(--display);font-size:26px;font-weight:700;color:var(--teal)}
.wave svg{display:block}
.hero-device{position:relative;display:flex;justify-content:center;align-items:center;min-width:0}
.watch-hero{position:relative;z-index:1;width:min(340px,80%);filter:drop-shadow(0 40px 60px rgba(0,0,0,0.5));animation:float 6s ease-in-out infinite}
.hero-thumb{
  position:absolute;z-index:2;bottom:6%;left:2%;width:min(150px,34%);
  background:var(--glass);border:1px solid var(--border);border-radius:16px;
  padding:8px;backdrop-filter:blur(8px);
  box-shadow:0 24px 44px rgba(0,0,0,0.5);
  animation:float 7s ease-in-out infinite;
}
.hero-thumb img{border-radius:9px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* PROBLEM */
.problem{padding:90px 0;border-top:1px solid rgba(255,255,255,0.04)}
.problem-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.problem-copy h2{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:15ch;margin-bottom:22px}
.problem-copy p{color:var(--muted);margin:0 0 22px}
.signal-lines{list-style:none;padding:0;margin:0 0 26px}
.signal-lines li{font-family:var(--display);font-weight:500;font-size:1.15rem;color:var(--amber);margin-bottom:8px}
.turn{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3vw,2.1rem);color:var(--teal)!important;margin-bottom:16px!important}
.problem-device{position:relative;display:flex;justify-content:center;min-width:0}
.phone-shot{position:relative;z-index:1;width:min(300px,78%);border-radius:28px;filter:drop-shadow(0 40px 60px rgba(0,0,0,0.55))}

/* MOMENT */
.moment{padding:90px 0;border-top:1px solid rgba(255,255,255,0.04)}
.moment-head{margin-bottom:56px}
.moment-head h2{font-size:clamp(2.2rem,5vw,3.6rem)}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:var(--glass);border:1px solid var(--border);border-radius:20px;
  padding:34px 28px;min-width:0;position:relative;overflow:hidden;
}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--teal),transparent)}
.step-num{font-family:var(--display);font-weight:700;font-size:14px;color:var(--teal);letter-spacing:.1em}
.step-icon{display:block;margin:20px 0 22px}
.step h3{font-size:1.35rem;margin-bottom:14px}
.step p{color:var(--muted);font-size:15.5px;margin:0}

/* AWARENESS */
.awareness{padding:90px 0;border-top:1px solid rgba(255,255,255,0.04)}
.awareness-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.aw-panel{
  background:var(--glass);border:1px solid var(--border);border-radius:24px;
  padding:36px;min-width:0;
}
.aw-media{display:flex;justify-content:center;align-items:flex-end;margin-bottom:26px;min-height:220px;position:relative}
.aw-media::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:240px;max-width:90%;height:60px;background:radial-gradient(ellipse,rgba(92,209,214,0.14),transparent 70%);z-index:0}
.watch-panel{width:min(220px,70%);position:relative;z-index:1;filter:drop-shadow(0 24px 36px rgba(0,0,0,0.5))}
.composite-shot{width:min(260px,80%);position:relative;z-index:1;filter:drop-shadow(0 24px 36px rgba(0,0,0,0.5))}
.aw-panel p{color:var(--muted);margin:0;font-size:16px}

/* WHO */
.who{padding:90px 0;border-top:1px solid rgba(255,255,255,0.04)}
.who-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.who-copy h2{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:22px}
.who-copy .lead{color:var(--teal);font-size:1.15rem;margin:0 0 18px;font-weight:500}
.who-cards{display:flex;flex-direction:column;gap:18px}
.who-card{
  background:linear-gradient(180deg,rgba(47,166,173,0.08),var(--glass));
  border:1px solid var(--border);border-radius:18px;padding:26px 28px;min-width:0;
}
.who-tag{display:block;font-family:var(--display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px;color:var(--teal);margin-bottom:12px}
.who-card p{margin:0;color:var(--muted);font-size:15.5px}

/* TESTIMONIALS */
.testimonials{padding:90px 0;border-top:1px solid rgba(255,255,255,0.04)}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
.quote-card{
  background:var(--glass);border:1px solid var(--border);border-radius:20px;
  padding:34px 30px;min-width:0;position:relative;
}
.quote-card::before{content:"\201C";position:absolute;top:14px;left:24px;font-family:var(--display);font-size:64px;color:var(--teal);opacity:.28;line-height:1}
.quote-card blockquote{margin:34px 0 20px;font-size:17px;line-height:1.55}
.quote-card figcaption{color:var(--muted);font-size:14px}

/* LISTENING */
.listening{position:relative;overflow:hidden;padding:100px 0;border-top:1px solid rgba(255,255,255,0.04)}
.listening-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.listening-copy h2{font-size:clamp(2.2rem,4.8vw,3.4rem);margin:0 0 22px}
.listening-copy p{color:var(--muted);margin:0 0 26px}
.listening-copy .note{font-size:14px;margin-top:26px}
.feedback-form{background:var(--glass);border:1px solid var(--border);border-radius:24px;padding:34px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:20px;min-width:0}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text)}
.field label span{color:var(--teal)}
.field input{
  width:100%;background:rgba(14,22,32,0.6);border:1px solid rgba(255,255,255,0.1);
  border-radius:12px;padding:13px 15px;color:var(--text);font-family:var(--body);font-size:16px;
}
.field input:focus{border-color:var(--teal);outline:none}
.checkbox{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--muted);margin-bottom:24px;cursor:pointer}
.checkbox input{width:18px;height:18px;accent-color:var(--teal)}
.btn-submit{
  background:var(--teal);color:#04121a;border:0;font-family:var(--body);font-weight:600;
  font-size:15px;letter-spacing:.05em;text-transform:uppercase;padding:15px 30px;border-radius:999px;
  cursor:pointer;transition:background .2s,transform .2s;
}
.btn-submit:hover{background:var(--teal-deep);transform:translateY(-1px)}
.form-msg{margin:16px 0 0;color:var(--teal);font-size:14px;min-height:1em}

/* FOOTER */
.site-footer{padding:50px 0;border-top:1px solid rgba(255,255,255,0.05)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-logo{height:56px;width:auto}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:14px}
.footer-links a{color:var(--muted);transition:color .2s}
.footer-links a:hover{color:var(--teal)}

/* STICKY MOBILE CTA */
.sticky-mobile-cta{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:800;
  background:var(--teal);color:#04121a;text-align:center;font-weight:600;
  padding:15px;font-size:15px;
}

/* REVEAL — only hide when JS is active, so content never disappears without JS */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:900px){
  .main-nav,.header-cta{display:none}
  .hamburger{display:flex}
  .hero-grid,.problem-grid,.moment-head,.awareness-grid,.who-grid,.listening-grid{grid-template-columns:1fr}
  .steps,.quote-grid{grid-template-columns:1fr}
  .hero-device,.problem-device{order:-1}
  .problem-grid{gap:40px}
  .who-grid{gap:36px}
  .listening-grid{gap:36px}
  .sticky-mobile-cta{display:block}
  body{padding-bottom:52px}
}
@media(max-width:520px){
  body{font-size:16px}
  .container{padding:0 18px}
  .field-row{grid-template-columns:1fr}
  .brand-logo{height:44px}
  .hero{padding:44px 0 70px}
  .appstore-badge{width:168px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .hero-thumb{width:min(120px,30%);left:0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}