/* ====================================================================
   Survival Point — landing styles
   Stack: vanilla CSS, custom properties, fluid type, container-aware grid
   No external CSS framework. Designed for LCP < 1.5s on 4G.
   ==================================================================== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

:root{
  /* palette: dark, slightly cool with warm accent */
  --bg-0:#0a0d0f;
  --bg-1:#12161a;
  --bg-2:#1a1f24;
  --bg-3:#232a30;
  --ink-100:#f4ede3;
  --ink-80:#d8cfc1;
  --ink-60:#a39989;
  --ink-40:#6e6359;
  --rule:rgba(255,255,255,.08);
  --rule-strong:rgba(255,255,255,.14);
  --accent:#f04e30;        /* muzzle-flash orange */
  --accent-2:#e6c073;      /* brass scavenged */
  --success:#7ec27e;       /* military green */

  /* fluid scale (clamp(min, mid, max)) — mobile-first */
  --fs-display:clamp(2.6rem, 5.5vw + .5rem, 5.6rem);
  --fs-h2:clamp(1.8rem, 2.2vw + 1rem, 3rem);
  --fs-h3:clamp(1.15rem,.5vw + 1rem,1.4rem);
  --fs-lede:clamp(1.05rem, .4vw + .9rem, 1.25rem);
  --fs-body:1rem;
  --fs-small:.875rem;

  /* spacing rhythm (8pt grid) */
  --gap-xs:.5rem;
  --gap-sm:1rem;
  --gap-md:1.5rem;
  --gap-lg:2.5rem;
  --gap-xl:4rem;
  --gap-2xl:6rem;

  --radius-sm:.5rem;
  --radius-md:.875rem;
  --radius-lg:1.25rem;
  --radius-pill:999px;

  --shadow-md:0 12px 40px rgba(0,0,0,.45);
  --shadow-lg:0 30px 80px rgba(0,0,0,.6);
  --shadow-glow:0 0 0 1px rgba(240,78,48,.3),0 12px 60px rgba(240,78,48,.18);

  --header-h:72px;
  --easing:cubic-bezier(.2,.7,.2,1);
}

html,body{margin:0;padding:0;background:var(--bg-0);color:var(--ink-100);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:var(--fs-body);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,picture{display:block;max-width:100%;height:auto}
img{border:0}
a{color:var(--ink-100);text-decoration:none;transition:color .2s var(--easing)}
a:hover{color:var(--accent-2)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
em{color:var(--accent-2);font-style:normal}

.container{max-width:1180px;margin:0 auto;padding:0 clamp(1rem,3vw,2rem)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:.5rem 1rem;z-index:100}
.skip-link:focus{left:1rem;top:1rem}

/* ============================== HEADER ============================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(10,13,15,.65);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--easing),border-color .25s var(--easing)
}
.site-header.is-scrolled{background:rgba(10,13,15,.92);border-bottom-color:var(--rule)}
.nav{display:flex;align-items:center;gap:var(--gap-md);height:var(--header-h)}
.brand{display:flex;align-items:center;gap:.7rem;font-family:'Oswald',sans-serif;font-weight:600;font-size:1.15rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-100)}
.brand img{border-radius:.45rem}
.brand:hover{color:var(--ink-100)}
.nav__links{display:none;margin-left:auto;gap:var(--gap-md)}
.nav__links a{font-size:.95rem;color:var(--ink-80);position:relative;padding:.25rem 0}
.nav__links a:hover{color:var(--ink-100)}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--easing)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__cta{display:none}
.nav__toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;margin-left:auto;width:42px;height:42px;align-items:center;border-radius:.5rem}
.nav__toggle span{display:block;width:22px;height:2px;background:var(--ink-100);border-radius:1px;transition:transform .25s var(--easing),opacity .2s}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:flex;flex-direction:column;padding:1rem;gap:.5rem;border-top:1px solid var(--rule);background:rgba(10,13,15,.98)}
.mobile-nav a{padding:.85rem 1rem;border-radius:.55rem;color:var(--ink-100)}
.mobile-nav a:hover{background:var(--bg-2)}
.mobile-nav .btn{margin-top:.5rem;text-align:center}

@media (min-width:880px){
  .nav__links{display:flex}
  .nav__cta{display:inline-flex}
  .nav__toggle{display:none}
  .mobile-nav{display:none!important}
}

/* ============================== BUTTONS ============================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.5rem;border-radius:var(--radius-pill);font-weight:600;letter-spacing:.01em;transition:transform .15s var(--easing),background .2s var(--easing),box-shadow .2s var(--easing);will-change:transform}
.btn--sm{padding:.55rem 1.1rem;font-size:.9rem}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-glow)}
.btn--primary:hover{transform:translateY(-1px);background:#ff5e3f;color:#fff}
.btn--ghost{background:transparent;color:var(--ink-100);border:1px solid var(--rule-strong)}
.btn--ghost:hover{background:var(--bg-2);color:var(--ink-100)}

/* store badges */
.store-btn{display:inline-flex;align-items:center;gap:.7rem;padding:.85rem 1.4rem;border-radius:.85rem;background:#000;color:#fff;border:1px solid rgba(255,255,255,.18);transition:transform .15s var(--easing),background .2s var(--easing),border-color .2s var(--easing);min-width:200px}
.store-btn span{display:flex;flex-direction:column;line-height:1.05;text-align:left}
.store-btn small{font-size:.7rem;letter-spacing:.04em;color:rgba(255,255,255,.7)}
.store-btn strong{font-size:1.15rem;font-weight:600;letter-spacing:.01em}
.store-btn:hover{transform:translateY(-2px);background:#0e0e0e;border-color:rgba(255,255,255,.28);color:#fff}
.store-btn--google{background:#0e0e0e}
.store-btn svg{flex-shrink:0}

.cta-row{display:flex;flex-wrap:wrap;gap:var(--gap-sm);margin-top:var(--gap-md)}
.cta-row--big .store-btn{padding:1rem 1.6rem;min-width:230px}

/* ============================== HERO ============================== */
.hero{position:relative;min-height:100vh;min-height:100svh;padding:calc(var(--header-h) + 2rem) 0 var(--gap-xl);display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2;background-image:url('/assets/hero.webp');background-size:cover;background-position:center;filter:saturate(.85)}
.hero__vignette{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(ellipse at 70% 40%, transparent 0, rgba(10,13,15,.55) 50%, rgba(10,13,15,.92) 80%),
  linear-gradient(180deg, rgba(10,13,15,.5) 0, rgba(10,13,15,.2) 30%, var(--bg-0) 100%);
}
.hero__inner{position:relative;display:grid;gap:var(--gap-xl);align-items:center;width:100%}
.hero__copy{max-width:640px;animation:fadeUp .8s var(--easing) both}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--accent-2);margin:0 0 1.2rem}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.85)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.hero__title{font-family:'Oswald',sans-serif;font-weight:700;font-size:var(--fs-display);line-height:.96;letter-spacing:-.005em;text-transform:uppercase;margin:0 0 var(--gap-md);text-wrap:balance}
.hero__title .hl{color:var(--accent);position:relative}
.hero__lede{font-size:var(--fs-lede);color:var(--ink-80);max-width:38em;margin:0 0 var(--gap-md);text-wrap:pretty}
.trust-row{list-style:none;padding:0;margin:var(--gap-lg) 0 0;display:flex;flex-wrap:wrap;gap:1.4rem 2rem;font-size:.9rem;color:var(--ink-60)}
.trust-row strong{display:block;font-family:'Oswald',sans-serif;font-size:1.4rem;color:var(--ink-100);font-weight:600;line-height:1}
.hero__visual{position:relative;display:none}
.phone{position:relative;border-radius:2.4rem;overflow:hidden;background:#000;box-shadow:var(--shadow-lg);transform:rotate(-3deg);border:6px solid #1a1d20;width:100%;max-width:380px;aspect-ratio:9/16;margin-left:auto}
.phone--bg{position:absolute;inset:auto auto -10% -8%;width:60%;transform:rotate(8deg);opacity:.55;filter:blur(.5px)}
.phone img{width:100%;height:100%;object-fit:cover}
.phone__notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:35%;height:24px;background:#000;border-radius:0 0 14px 14px;z-index:2}
.hero__scroll{position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);width:24px;height:38px;border:2px solid var(--rule-strong);border-radius:14px;display:flex;justify-content:center;padding-top:6px;z-index:1}
.hero__scroll span{display:block;width:3px;height:8px;border-radius:2px;background:var(--ink-60);animation:scrollHint 1.7s ease-in-out infinite}
@keyframes scrollHint{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(12px)}}

@media (min-width:980px){
  .hero__inner{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
  .hero__visual{display:block}
}

/* ============================== STATS ============================== */
.stats{background:var(--bg-1);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:var(--gap-md) 0}
.stats__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-md);text-align:center}
.stats div{display:flex;flex-direction:column;gap:.25rem}
.stats b{font-family:'Oswald',sans-serif;font-size:1.6rem;font-weight:700;color:var(--ink-100);letter-spacing:.01em}
.stats span{font-size:.8rem;color:var(--ink-60);text-transform:uppercase;letter-spacing:.1em}
@media (min-width:720px){.stats__grid{grid-template-columns:repeat(4,1fr)}}

/* ============================== SECTIONS ============================== */
.section{padding:var(--gap-2xl) 0;position:relative}
.section__head{max-width:680px;margin:0 0 var(--gap-lg)}
.section__head--center{margin:0 auto var(--gap-lg);text-align:center}
.section h2{font-family:'Oswald',sans-serif;font-weight:700;font-size:var(--fs-h2);line-height:1.05;text-transform:uppercase;letter-spacing:-.005em;margin:0 0 var(--gap-sm);text-wrap:balance}
.section .lede{font-size:var(--fs-lede);color:var(--ink-80);margin:0;text-wrap:pretty}

/* ============================== CARDS ============================== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:var(--gap-md)}
.card{background:linear-gradient(180deg,var(--bg-2),var(--bg-1));border:1px solid var(--rule);border-radius:var(--radius-lg);padding:var(--gap-md);transition:transform .25s var(--easing),border-color .25s var(--easing),box-shadow .25s var(--easing);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:opacity .25s var(--easing)}
.card:hover{transform:translateY(-4px);border-color:var(--rule-strong);box-shadow:var(--shadow-md)}
.card:hover::before{opacity:.7}
.card__ico{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:.85rem;background:rgba(240,78,48,.1);color:var(--accent);margin-bottom:var(--gap-sm)}
.card h3{font-family:'Oswald',sans-serif;font-weight:600;font-size:var(--fs-h3);text-transform:uppercase;letter-spacing:.01em;margin:0 0 .5rem;color:var(--ink-100)}
.card p{margin:0;color:var(--ink-60);font-size:.95rem}

/* ============================== STORY ============================== */
.story{background:linear-gradient(180deg,var(--bg-0),var(--bg-1) 50%,var(--bg-0))}
.story__grid{display:grid;gap:var(--gap-lg);align-items:center}
.story__copy h2{margin-top:.5rem}
.story__quote{padding:1.5rem 0 1.5rem 1.5rem;border-left:3px solid var(--accent);font-style:italic;color:var(--ink-100);margin:0 0 var(--gap-md)}
.story p{color:var(--ink-80)}
.story__visual img{border-radius:var(--radius-lg);border:1px solid var(--rule);box-shadow:var(--shadow-md)}
.link-arrow{display:inline-block;margin-top:var(--gap-md);font-weight:600;color:var(--accent-2);border-bottom:1px solid currentColor;padding-bottom:2px;transition:gap .2s,color .2s var(--easing)}
.link-arrow:hover{color:var(--accent)}
@media (min-width:880px){
  .story__grid{grid-template-columns:1fr 1fr;gap:var(--gap-xl)}
}

/* ============================== GALLERY ============================== */
.gallery{margin-top:var(--gap-md);overflow:hidden}
.gallery__track{display:flex;gap:var(--gap-md);overflow-x:auto;padding:0 clamp(1rem,3vw,2rem) 1rem;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--accent) transparent;scroll-padding:0 clamp(1rem,3vw,2rem)}
.gallery__track::-webkit-scrollbar{height:8px}
.gallery__track::-webkit-scrollbar-track{background:transparent}
.gallery__track::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:4px}
.gallery__track::-webkit-scrollbar-thumb:hover{background:var(--accent)}
.gallery__track > picture{flex:0 0 min(80vw,640px);scroll-snap-align:start}
.gallery__track img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-md);border:1px solid var(--rule);box-shadow:var(--shadow-md)}

/* ============================== DOWNLOAD CTA ============================== */
.download{background:
  radial-gradient(ellipse at top right, rgba(240,78,48,.12), transparent 60%),
  radial-gradient(ellipse at bottom left, rgba(230,192,115,.06), transparent 60%),
  var(--bg-1);
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.download__inner{display:grid;gap:var(--gap-lg);align-items:center}
.download__copy h2{margin-top:.5rem}
@media (min-width:880px){
  .download__inner{grid-template-columns:1fr auto;gap:var(--gap-xl)}
  .cta-row--big{justify-content:flex-end}
}

/* ============================== FAQ ============================== */
.faq__grid{display:grid;gap:var(--gap-lg)}
.faq__list{display:flex;flex-direction:column;gap:.5rem}
.faq details{background:var(--bg-1);border:1px solid var(--rule);border-radius:var(--radius-md);transition:border-color .2s var(--easing),background .2s var(--easing)}
.faq details[open]{border-color:var(--rule-strong);background:var(--bg-2)}
.faq summary{padding:1.1rem 1.4rem;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1rem;font-weight:600;color:var(--ink-100);font-size:1.05rem;user-select:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.6rem;font-weight:300;color:var(--accent);transition:transform .25s var(--easing);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 1.4rem 1.2rem;color:var(--ink-80);font-size:.97rem}
.faq details p a{color:var(--accent-2);border-bottom:1px solid currentColor}
@media (min-width:980px){.faq__grid{grid-template-columns:1fr 1.5fr;gap:var(--gap-xl);align-items:start}}

/* ============================== FOOTER ============================== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--rule);padding:var(--gap-lg) 0;color:var(--ink-60);font-size:.9rem}
.site-footer__inner{display:grid;gap:var(--gap-lg);align-items:start}
.site-footer__brand{display:flex;align-items:center;gap:.85rem}
.site-footer__brand img{border-radius:.5rem;flex-shrink:0}
.site-footer__brand strong{display:block;color:var(--ink-100);font-family:'Oswald',sans-serif;font-weight:600;font-size:1rem;letter-spacing:.03em;text-transform:uppercase}
.site-footer__brand span{display:block;font-size:.8rem;color:var(--ink-40);margin-top:.15rem;max-width:34em;line-height:1.45}
.site-footer__legal{display:flex;flex-direction:column;gap:.85rem}
.site-footer__requisites{margin:0;font-size:.82rem;color:var(--ink-60);line-height:1.6}
.site-footer__requisites b{color:var(--ink-100);font-weight:600}
.site-footer__requisites a{color:var(--ink-60);border-bottom:1px dotted var(--rule-strong)}
.site-footer__requisites a:hover{color:var(--ink-100)}
.site-footer__links{display:flex;flex-wrap:wrap;gap:1rem 1.4rem}
.site-footer__links a{color:var(--ink-60);font-size:.85rem}
.site-footer__links a:hover{color:var(--ink-100)}
.site-footer__stores{color:var(--ink-40);display:flex;gap:.5rem}
.site-footer__stores a{color:var(--ink-60)}
.site-footer__pay{display:flex;flex-direction:column;gap:.6rem}
.site-footer__pay-label{font-size:.75rem;color:var(--ink-40);text-transform:uppercase;letter-spacing:.12em}
.site-footer__pay-logos{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.paylogo{display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 .85rem;background:#fff;color:#000;border-radius:.4rem;font-weight:700;font-size:.85rem;letter-spacing:.02em;font-family:'Inter',sans-serif;line-height:1;border:1px solid rgba(255,255,255,.1)}
.paylogo--visa{background:#1a1f71;color:#f7b600;font-style:italic;font-family:'Inter',sans-serif;letter-spacing:.05em}
.paylogo--mc{background:#fff;color:#eb001b;font-size:.78rem}
.paylogo--mir{background:#0f754e;color:#fff;font-size:.85rem}
.paylogo--tbank{background:#FFDD2D;color:#000}
.paylogo--tbank:hover{background:#ffe55c;color:#000}
.paylogo--tpay{background:#000;color:#FFDD2D;border-color:#FFDD2D}

@media (min-width:880px){
  .site-footer__inner{grid-template-columns:1.1fr 1.4fr 1fr;gap:var(--gap-xl)}
}

/* ============================== UTILITIES ============================== */
.is-hidden{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
::selection{background:var(--accent);color:#fff}