/* ===================== THEME TOKENS =====================
   The app = a neutral grouped background (light or dark) tinted by one of
   8 accent colors. We mirror that exactly:
     • light / dark  -> [data-mode] sets the neutral surface palette
     • 8 accents      -> --accent / --accent-2 / --glow set by JS (default below)
*/
:root{
  --maxw: 1180px;
  --radius: 22px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  /* default accent (Blue) — JS overrides on selection */
  --accent:#0A84FF; --accent-2:#0060df; --glow:rgba(10,132,255,.35);
  --on-accent:#ffffff;
}

/* Dark mode — neutral iOS grouped surfaces */
[data-mode="dark"]{
  --bg:#08090c; --bg-2:#101116; --surface:#1b1c20; --surface-2:#24262c;
  --text:#f1f4f9; --muted:#9aa1ae; --line:rgba(255,255,255,.10);
  --shadow:rgba(0,0,0,.55); --nav-bg:rgba(10,11,15,.72);
}

/* Light mode — neutral iOS grouped surfaces */
[data-mode="light"]{
  --bg:#eef1f6; --bg-2:#e5e9f1; --surface:#ffffff; --surface-2:#f5f8fd;
  --text:#141821; --muted:#5b6675; --line:rgba(20,30,50,.10);
  --shadow:rgba(40,55,90,.16); --nav-bg:rgba(255,255,255,.80);
}

/* ===================== BASE ===================== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); background:var(--bg); color:var(--text);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
  transition:background .5s var(--ease), color .5s var(--ease);
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.grad{background:linear-gradient(120deg,var(--accent),var(--accent-2),var(--accent));background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:gradShift 6s linear infinite}
@keyframes gradShift{to{background-position:220% center}}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}

/* ===================== BUTTONS ===================== */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;
  font-family:inherit;font-weight:700;border-radius:999px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .3s}
.btn--primary{background:var(--accent);color:var(--on-accent);box-shadow:0 8px 24px var(--glow)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px var(--glow)}
.btn--sm{padding:10px 18px;font-size:.92rem}

.appstore-badge{display:inline-flex;align-items:center;gap:12px;background:var(--text);color:var(--bg);
  padding:12px 22px;border-radius:14px;transition:transform .25s var(--ease),opacity .2s}
.appstore-badge:hover{transform:translateY(-2px);opacity:.92}
.appstore-badge__txt{display:flex;flex-direction:column;line-height:1.05;text-align:left}
.appstore-badge__txt small{font-size:.66rem;font-weight:500;opacity:.85}
.appstore-badge__txt strong{font-size:1.18rem;font-weight:700;letter-spacing:.2px}
.appstore-badge--lg{padding:16px 30px}
.appstore-badge--lg .appstore-badge__txt strong{font-size:1.4rem}

/* ===================== NAV ===================== */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(160%) blur(16px);
  background:var(--nav-bg);border-bottom:1px solid var(--line);transition:background .5s var(--ease)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem}
.brand__icon{width:34px;height:34px;border-radius:9px;box-shadow:0 4px 12px var(--shadow)}
.nav__links{display:flex;gap:28px;font-weight:600;font-size:.95rem}
.nav__links a{color:var(--muted);transition:color .2s}
.nav__links a:hover{color:var(--text)}
.nav__right{display:flex;align-items:center;gap:16px}

.theme-switcher{display:flex;gap:8px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px}
.swatch{width:20px;height:20px;border-radius:50%;border:2px solid transparent;background:var(--sw);cursor:pointer;
  transition:transform .2s var(--ease),border-color .2s;padding:0}
.swatch:hover{transform:scale(1.15)}
.swatch.is-active{border-color:var(--text);transform:scale(1.12)}

.mode-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);color:var(--text);cursor:pointer;
  transition:transform .2s var(--ease),background .3s}
.mode-toggle:hover{transform:scale(1.1)}
.mode-toggle__sun{display:none}
[data-mode="light"] .mode-toggle__moon{display:none}
[data-mode="light"] .mode-toggle__sun{display:block}

.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ===================== HERO ===================== */
.hero{position:relative;padding:72px 0 40px;overflow:hidden}
.hero__glow{position:absolute;top:-220px;left:50%;transform:translateX(-50%);
  width:900px;height:700px;background:radial-gradient(closest-side,var(--glow),transparent 70%);
  filter:blur(20px);pointer-events:none;z-index:0;transition:background .5s var(--ease)}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero__title{font-size:clamp(2.4rem,5vw,3.9rem);font-weight:900;line-height:1.05;letter-spacing:-.02em;margin-bottom:18px}
.hero__sub{font-size:1.12rem;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero__cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:26px}
.hero__rating{display:flex;flex-direction:column;font-size:.86rem;color:var(--muted)}
.stars{color:#ffc24a;letter-spacing:2px;font-size:1rem}
.hero__points{list-style:none;display:flex;flex-direction:column;gap:10px}
.hero__points li{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:500}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--glow)}
.hero__device{display:flex;justify-content:center;perspective:1200px;animation:float 6s ease-in-out infinite}
.hero__device .phone{transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));
  transition:transform .25s var(--ease);transform-style:preserve-3d;will-change:transform}

/* ===================== PHONE MOCKUP ===================== */
.phone{position:relative;width:300px;border-radius:42px;padding:10px;background:linear-gradient(160deg,#2a2f3a,#0c0e14);
  box-shadow:0 30px 70px var(--shadow),0 0 0 2px rgba(255,255,255,.05) inset;transition:transform .4s var(--ease)}
.phone img{width:100%;border-radius:33px;display:block}
.phone__notch{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:96px;height:24px;background:#05060a;border-radius:0 0 16px 16px;z-index:2}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.phone--sm{width:200px;border-radius:32px;padding:7px}
.phone--sm .phone__notch{width:66px;height:17px;top:10px}
.phone--sm img{border-radius:26px}

/* ===================== STAT STRIP ===================== */
.strip{padding:26px 0}
.strip__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 14px 40px var(--shadow)}
.strip__item{text-align:center}
.strip__item b{display:block;font-size:2.1rem;font-weight:900;color:var(--accent);line-height:1}
.strip__item span{font-size:.84rem;color:var(--muted);font-weight:500}

/* ===================== SECTIONS ===================== */
.section{padding:84px 0}
.section--themes{background:var(--bg-2);transition:background .5s var(--ease)}
.section__head{text-align:center;max-width:640px;margin:0 auto 56px}
.section__head h2{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.section__head p{color:var(--muted);font-size:1.06rem}

/* Features */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-bottom:90px}
.feature:last-child{margin-bottom:0}
.feature--rev .feature__text{order:2}
.feature__text h3{font-size:1.7rem;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.feature__text p{color:var(--muted);margin-bottom:18px;max-width:460px}
.ticks{list-style:none;display:flex;flex-direction:column;gap:10px}
.ticks li{position:relative;padding-left:30px;font-weight:500}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px var(--glow)}
.ticks li::after{content:"";position:absolute;left:6px;top:9px;width:6px;height:10px;border:solid var(--on-accent);
  border-width:0 2px 2px 0;transform:rotate(45deg)}
.feature__media{display:flex;justify-content:center}

/* Themes */
.theme-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:48px}
.pill{display:inline-flex;align-items:center;gap:9px;padding:10px 18px;border-radius:999px;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:.92rem;color:var(--text);
  background:var(--surface);border:1px solid var(--line);transition:transform .2s var(--ease),border-color .2s,background .3s}
.pill i{width:14px;height:14px;border-radius:50%;background:var(--sw)}
.pill:hover{transform:translateY(-2px)}
.pill.is-active{border-color:var(--accent);background:var(--surface-2)}
.pill--mode{background:var(--accent);color:var(--on-accent);border-color:transparent}
.pill--mode i{background:transparent}
.pill--mode .pill--mode__sun{display:none}
[data-mode="light"] .pill--mode .pill--mode__moon{display:none}
[data-mode="light"] .pill--mode .pill--mode__sun{display:inline}
.theme-gallery{display:flex;justify-content:center;align-items:flex-end;gap:18px;flex-wrap:wrap}
.theme-gallery .phone--center{transform:translateY(-18px)}
.theme-note{text-align:center;color:var(--muted);margin-top:34px;font-weight:500}

/* Gallery — auto-scrolling marquee */
.gallery{overflow:hidden;padding:10px 0 30px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.gallery__track{display:flex;gap:22px;width:max-content;animation:marquee 48s linear infinite}
.gallery:hover .gallery__track{animation-play-state:paused}
.gallery__track img{width:248px;border-radius:26px;box-shadow:0 18px 44px var(--shadow);
  border:1px solid var(--line);transition:transform .3s var(--ease)}
.gallery__track img:hover{transform:translateY(-8px) scale(1.02)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===================== CTA ===================== */
.cta{position:relative;padding:96px 0;text-align:center;overflow:hidden;background:var(--bg-2);transition:background .5s var(--ease)}
.cta__glow{position:absolute;inset:0;background:radial-gradient(closest-side at 50% 40%,var(--glow),transparent 60%);pointer-events:none}
.cta__inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:18px}
.cta__icon{width:96px;height:96px;border-radius:22px;box-shadow:0 18px 44px var(--shadow)}
.cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:900;letter-spacing:-.02em}
.cta p{color:var(--muted);font-size:1.08rem}

/* ===================== FOOTER ===================== */
.footer{padding:48px 0;border-top:1px solid var(--line)}
.footer__inner{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}
.footer__links{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;font-weight:600;font-size:.95rem}
.footer__links a{color:var(--muted);transition:color .2s}
.footer__links a:hover{color:var(--text)}
.footer__copy{color:var(--muted);font-size:.88rem}

/* ===================== DYNAMIC FX ===================== */
/* Scroll progress bar */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:100%;z-index:60;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 12px var(--glow)}

/* Animated aurora backdrop */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;will-change:transform}
.aurora span:nth-child(1){width:46vw;height:46vw;left:-8vw;top:-6vw;background:var(--accent);animation:drift1 22s ease-in-out infinite}
.aurora span:nth-child(2){width:40vw;height:40vw;right:-10vw;top:8vw;background:var(--accent-2);opacity:.40;animation:drift2 26s ease-in-out infinite}
.aurora span:nth-child(3){width:38vw;height:38vw;left:30vw;bottom:-12vw;background:var(--accent);opacity:.30;animation:drift3 30s ease-in-out infinite}
[data-mode="light"] .aurora span{opacity:.30}
[data-mode="light"] .aurora span:nth-child(2){opacity:.22}
[data-mode="light"] .aurora span:nth-child(3){opacity:.18}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(8vw,6vw) scale(1.15)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-7vw,5vw) scale(1.1)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5vw,-7vw) scale(1.2)}}

/* Button shine sweep */
.btn--primary,.appstore-badge{position:relative;overflow:hidden}
.btn--primary::after,.appstore-badge::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s var(--ease)}
.btn--primary:hover::after,.appstore-badge:hover::after{left:130%}

/* Active swatch pulse */
.swatch.is-active{animation:swatchPulse 1.8s ease-in-out infinite}
@keyframes swatchPulse{0%,100%{box-shadow:0 0 0 0 var(--glow)}50%{box-shadow:0 0 0 6px transparent}}

/* Card / strip hover lift */
.strip__inner{transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.strip__inner:hover{transform:translateY(-4px);box-shadow:0 22px 56px var(--shadow)}
.feature__media .phone,.theme-gallery .phone{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.feature__media .phone:hover,.theme-gallery .phone:hover{transform:translateY(-8px) scale(1.02)}

/* ===================== REVEAL ANIMATION ===================== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ===================== RESPONSIVE ===================== */
@media (max-width:920px){
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__copy{order:2}
  .hero__sub{margin-left:auto;margin-right:auto}
  .hero__cta{justify-content:center}
  .hero__points{align-items:center}
  .feature{grid-template-columns:1fr;gap:30px}
  .feature--rev .feature__text{order:0}
  .feature__text{text-align:center}
  .feature__text p{margin-left:auto;margin-right:auto}
  .ticks{align-items:center}
  .ticks li{text-align:left}
}
@media (max-width:980px){
  .nav__links{display:none}
  .nav__cta{display:none}
  .nav__burger{display:flex}
  .nav.is-open .nav__links{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:var(--nav-bg);backdrop-filter:blur(16px);padding:18px 24px;border-bottom:1px solid var(--line)}
  .strip__inner{grid-template-columns:repeat(2,1fr);gap:24px}
  .theme-switcher{padding:5px;gap:6px}
  .swatch{width:18px;height:18px}
}
@media (prefers-reduced-motion:reduce){
  .hero__device,.aurora span,.grad,.gallery__track,.swatch.is-active{animation:none !important}
  .gallery{overflow-x:auto}
  .reveal{transition:none;opacity:1;transform:none}
  html{scroll-behavior:auto}
}