/* Survival Flashlight — styles. Tokens first; edit colors here. */
:root{--bg:#060a14;--bg2:#0b1224;--card:rgba(255,255,255,.045);--line:rgba(255,255,255,.1);--text:#eef2fb;--mute:#a4afc7;--amber:#ffd54a;--amber2:#ffb300;--r:20px;--nav:64px;color-scheme:dark}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav)}
body{background:var(--bg);color:var(--text);font:400 1rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em}
h1{font-size:clamp(2.6rem,7vw,4.6rem);font-weight:800}
h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:750;margin-bottom:.6rem}
h3{font-size:1.15rem;margin-bottom:.35rem}
p{color:var(--mute);max-width:62ch}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:8px}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
section{padding:clamp(4rem,9vw,7rem) 0}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--amber);color:#111;padding:.5rem 1rem;border-radius:8px;z-index:99}
.ico{width:1.5rem;height:1.5rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lead{font-size:1.1rem;margin-top:1rem}.center{text-align:center}.center p{margin-inline:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.5rem;border-radius:999px;font-weight:650;text-decoration:none;border:1px solid var(--line);transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--amber),var(--amber2));color:#1a1300;border:0;box-shadow:0 8px 30px rgba(255,190,30,.25)}
.btn-primary:hover{box-shadow:0 10px 40px rgba(255,190,30,.4)}
.btn-ghost{background:var(--card)}.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btns{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}

/* Nav */
header{position:sticky;top:0;z-index:50;height:var(--nav);background:rgba(6,10,20,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:750;text-decoration:none}
.brand img{width:28px;height:28px}
#menu{display:flex;align-items:center;gap:1.4rem}
#menu a:not(.btn){text-decoration:none;color:var(--mute);font-size:.95rem;transition:color .2s}
#menu a:not(.btn):hover,#menu a.active{color:var(--amber)}
#menu .btn{padding:.5rem 1.1rem;font-size:.9rem}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:12px;width:44px;height:44px;cursor:pointer}
@media(max-width:900px){
  .menu-btn{display:grid;place-items:center}
  #menu{position:absolute;top:var(--nav);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1.25rem;background:rgba(6,10,20,.97);border-bottom:1px solid var(--line);display:none}
  #menu.open{display:flex}
  #menu a:not(.btn){padding:.85rem 0;border-bottom:1px solid var(--line)}
  #menu .btn{margin-top:1rem;justify-content:center}
}

/* Hero */
.hero{padding-top:clamp(3rem,7vw,6rem);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-10% 0 auto 30%;height:120%;background:radial-gradient(ellipse at 70% 30%,rgba(255,213,74,.16),transparent 60%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;position:relative}
.hero h1 span{display:block}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* Phone mockup — replace .phone__screen contents with <img src="assets/screenshots/home.png" alt="..." width="270" height="540"> */
.phone{width:min(280px,72vw);aspect-ratio:9/18.5;margin-inline:auto;border-radius:38px;padding:9px;background:linear-gradient(160deg,#2a3350,#0d1220);box-shadow:0 0 0 1px var(--line),0 30px 80px rgba(0,0,0,.6),0 0 90px rgba(255,213,74,.12)}
.phone__screen{height:100%;border-radius:30px;background:radial-gradient(circle at 50% 38%,#1b2340,#070b16 70%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;overflow:hidden}
.power{width:112px;height:112px;border-radius:50%;display:grid;place-items:center;color:#1a1300;background:radial-gradient(circle,#fff6c9,var(--amber) 60%,var(--amber2));box-shadow:0 0 50px 12px rgba(255,213,74,.5);animation:pulse 3.2s ease-in-out infinite}
.power .ico{width:46px;height:46px;fill:#1a1300;stroke:none}
@keyframes pulse{50%{box-shadow:0 0 80px 22px rgba(255,213,74,.65)}}
.chips{display:flex;gap:.4rem;flex-wrap:wrap;justify-content:center;padding:0 .8rem}
.chips i{font-style:normal;font-size:.72rem;padding:.3rem .7rem;border-radius:999px;border:1px solid var(--line);color:var(--mute)}
.chips i:first-child{color:var(--amber);border-color:rgba(255,213,74,.5)}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:1.1rem;margin-top:2.5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;backdrop-filter:blur(8px);transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(255,213,74,.45)}
.card .ico{color:var(--amber);width:2rem;height:2rem;margin-bottom:.9rem}
.card p{font-size:.96rem}

/* Flashlight beam */
.beam{background:linear-gradient(#060a14,#0b1224 50%,#060a14);position:relative;overflow:hidden}
.beam::before{content:"";position:absolute;top:-20%;left:50%;width:140%;height:90%;transform:translateX(-50%);background:conic-gradient(from 180deg at 50% 0,transparent 155deg,rgba(255,225,120,.14) 180deg,transparent 205deg);pointer-events:none}
.beam .wrap{position:relative}
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:1.1rem;margin-top:2.5rem}
.strobe .ico{animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}

/* Battery dashboard */
.dash{margin-top:2.5rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:1.1rem;padding:1.5rem;border:1px solid var(--line);border-radius:28px;background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02))}
.stat{padding:1.3rem;border-radius:var(--r);background:rgba(0,0,0,.3);border:1px solid var(--line)}
.stat small{color:var(--mute);display:block}.stat b{font-size:2.3rem;letter-spacing:-.03em;display:block;margin-top:.2rem}
.bar{height:8px;border-radius:9px;background:rgba(255,255,255,.1);margin-top:.9rem;overflow:hidden}
.bar i{display:block;height:100%;width:85%;background:linear-gradient(90deg,var(--amber2),var(--amber));border-radius:9px}
.demo-note{margin-top:1rem;font-size:.85rem;color:var(--mute)}
.checks{list-style:none;padding:0;margin-top:1.4rem;display:grid;gap:.5rem;color:var(--mute)}
.checks li::before{content:"✓";color:var(--amber);font-weight:800;margin-right:.6rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:2rem}}
.wx{max-width:380px;margin-inline:auto;text-align:center;padding:2rem}
.wx .ico{width:4rem;height:4rem;color:var(--amber)}
.wx b{font-size:3.4rem;display:block;letter-spacing:-.04em}
.wx div{display:flex;justify-content:space-around;margin-top:1.2rem;color:var(--mute);font-size:.9rem}

/* Privacy */
.priv{background:var(--bg2)}

/* FAQ */
.faq{max-width:780px;margin:2.5rem auto 0;display:grid;gap:.8rem}
details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:0 1.3rem}
summary{cursor:pointer;list-style:none;padding:1.1rem 0;font-weight:650;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--amber);font-size:1.4rem;line-height:1;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details[open]{border-color:rgba(255,213,74,.4)}
details p{padding-bottom:1.2rem}

/* Support + footer */
.support-box{text-align:center;padding:clamp(2rem,5vw,3.5rem);border:1px solid var(--line);border-radius:28px;background:radial-gradient(ellipse at 50% 0,rgba(255,213,74,.12),transparent 65%),var(--card)}
.support-box .btns{justify-content:center}
.support-box a[data-email]{color:var(--amber);font-weight:650}
footer{border-top:1px solid var(--line);padding:3rem 0 2rem;color:var(--mute);font-size:.92rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr;gap:2rem}
.foot nav{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;align-content:start}
.foot a{text-decoration:none}.foot a:hover{color:var(--amber)}
.copy{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--line)}
@media(max-width:700px){.foot{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}