/* BoostLab v2 — rebuilt from "BoostLab Webpage (1).pdf"
   Art direction: deep navy → steel → pale vertical flow,
   Marlide-style light serif display + Inconsolata mono, lime accent. */

:root{
  --navy:#1e3d4e;
  --navy-2:#16303f;
  --ink:#122b3a;
  --steel:#7ea3b6;
  --steel-soft:#8fafc0;
  --mist:#c6d9e1;
  --pale:#dfe9ee;
  --paper:#eef4f6;
  --lime:#cddc3f;
  --lime-deep:#b8cc26;
  --white:#ffffff;
  --font-disp:"Source Serif 4",Georgia,serif;
  --font-mono:"Inconsolata",ui-monospace,monospace;
  --r-lg:28px;
  --r-xl:44px;
  --wrap:1160px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--navy);color:var(--white);font-family:var(--font-mono);font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--lime);text-decoration:none;}
a:hover{color:#e2ee6b;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}

/* ---------- type ---------- */
.mono{font-family:var(--font-mono);}
.kick{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.28em;font-size:13px;}
h1,h2,h3,.disp{font-family:var(--font-disp);font-weight:300;letter-spacing:.005em;}
h1 em,h2 em,h3 em{font-style:normal;}
.body-mono{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.14em;font-size:13.5px;line-height:1.95;font-weight:500;}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .25s,box-shadow .25s;}
.nav.scrolled{background:rgba(20,42,56,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.08);}
.nav-inner{max-width:var(--wrap);margin:0 auto;padding:18px 28px;display:flex;align-items:center;gap:34px;}
.nav-logo{flex:0 0 auto;display:flex;align-items:center;}
.nav-logo img{height:34px;width:auto;max-width:none;object-fit:contain;}
.nav-links{display:flex;gap:30px;flex:1;justify-content:center;}
.nav-links a{font-family:var(--font-mono);font-weight:600;text-transform:uppercase;letter-spacing:.22em;
  font-size:12.5px;color:var(--white);}
.nav-links a:hover{color:var(--lime);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-cart{position:relative;display:grid;place-items:center;width:42px;height:42px;border-radius:999px;
  border:1px solid rgba(255,255,255,.25);color:var(--white);transition:.15s;}
.nav-cart:hover{border-color:var(--lime);color:var(--lime);}
.nav-cart .bub{position:absolute;top:-5px;right:-5px;min-width:19px;height:19px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-family:var(--font-mono);font-weight:700;font-size:11.5px;
  display:grid;place-items:center;padding:0 5px;}
.nav-cart .bub:empty{display:none;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;
  font-family:var(--font-mono);font-weight:700;text-transform:uppercase;letter-spacing:.18em;font-size:13px;
  padding:15px 30px;transition:.16s;white-space:nowrap;}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#dcea59;color:var(--ink);transform:translateY(-1px);}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:var(--white);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-ink{background:var(--ink);color:var(--white);}
.btn-ink:hover{background:#0c2130;color:var(--white);transform:translateY(-1px);}
.btn-sm{padding:11px 20px;font-size:12px;}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(178deg,#22434f 0%,var(--navy) 46%,#1d3c4d 100%);}
.hero-drip{position:absolute;left:-40px;top:0;bottom:0;width:min(44vw,560px);pointer-events:none;
  -webkit-mask-image:url("assets/drop-alpha.png");mask-image:url("assets/drop-alpha.png");
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-size:contain;mask-size:contain;
  -webkit-mask-position:left top;mask-position:left top;
  background:linear-gradient(150deg,#f4f7f8 5%,#c3d2d9 35%,#8fa8b4 58%,#e9f0f2 78%,#a8bfca 100%);
  opacity:.96;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:.72fr 1.28fr;gap:40px;width:100%;
  padding-top:120px;padding-bottom:90px;}
.hero-copy h1{font-size:clamp(52px,6.2vw,88px);line-height:1.04;letter-spacing:-.005em;}
.hero-copy h1 em{color:var(--lime);}
.hero-copy .body-mono{margin-top:34px;max-width:600px;color:#dce8ed;}
.hero-cta{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;}
.hero-trust{display:flex;gap:38px;margin-top:52px;flex-wrap:wrap;}
.hero-trust .tn{font-family:var(--font-disp);font-weight:300;font-size:34px;line-height:1;color:var(--white);}
.hero-trust .tn em{font-style:italic;color:var(--lime);font-size:.62em;}
.hero-trust .tl{font-family:var(--font-mono);font-weight:600;text-transform:uppercase;letter-spacing:.22em;
  font-size:11px;color:#9fb9c5;margin-top:9px;}

/* ---------- sections ---------- */
.section{padding:110px 0;}
.sec-title{font-size:clamp(40px,4.6vw,64px);line-height:1.08;}
.sec-title em{color:var(--lime);font-style:italic;}

/* manifesto */
.manifesto{background:linear-gradient(180deg,#1d3c4d 0%,#20404f 100%);}
.manifesto .kick{color:#a9c2cd;}
.manifesto h2{font-size:clamp(48px,5.4vw,76px);margin:18px 0 30px;color:var(--lime);font-style:italic;}
.manifesto .body-mono{max-width:680px;color:#d7e4e9;}
.chip-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px;max-width:860px;}
.chip{font-family:var(--font-mono);font-weight:600;text-transform:uppercase;letter-spacing:.2em;font-size:12.5px;
  color:#e4eef1;border:1px solid rgba(230,240,220,.5);border-radius:999px;padding:12px 24px;}
.manifesto .after{margin-top:44px;max-width:640px;color:#d7e4e9;}

/* answers / benefits */
.answers{background:linear-gradient(180deg,#20404f 0%,#3f6a7d 78%,#527d90 100%);}
.answers h2{font-size:clamp(44px,5vw,70px);line-height:1.1;}
.answers h2 em{color:var(--mist);font-style:normal;}
.answers .body-mono{margin-top:30px;max-width:660px;color:#e0ebef;}
.ben-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px;}
.ben-card{background:rgba(190,213,223,.34);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);
  padding:34px 30px 38px;backdrop-filter:blur(3px);}
.ben-card h3{font-size:32px;color:var(--lime);font-weight:400;}
.ben-card p{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.13em;
  font-size:12.5px;line-height:1.9;color:#eaf2f5;margin-top:16px;}

/* best sellers */
.sellers{background:linear-gradient(180deg,#527d90 0%,#6e94a6 60%,#8fafc0 100%);padding-bottom:120px;}
.sellers h2{font-size:clamp(44px,5vw,68px);}
.sellers-sub{margin-top:14px;color:#eaf2f5;max-width:560px;}
.sell-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:54px;}
.pcard{background:rgba(196,218,228,.4);border:1px solid rgba(255,255,255,.2);border-radius:var(--r-lg);
  padding:26px 24px 28px;display:flex;flex-direction:column;align-items:center;text-align:center;
  transition:.2s;position:relative;}
.pcard:hover{transform:translateY(-4px);background:rgba(206,226,235,.5);}
.pcard .ptag{position:absolute;top:16px;left:16px;background:var(--lime);color:var(--ink);border-radius:999px;
  font-family:var(--font-mono);font-weight:700;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;padding:5px 12px;}
.pcard img{height:210px;width:auto;filter:drop-shadow(0 26px 26px rgba(10,25,36,.45));transition:.25s;}
.pcard:hover img{transform:translateY(-5px) scale(1.02);}
.pcard .pname{font-family:var(--font-disp);font-weight:400;font-size:27px;color:var(--lime);margin-top:18px;line-height:1.15;}
.pcard .psub{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.18em;
  font-size:11px;color:#eaf2f5;margin-top:8px;}
.pcard .pvars{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:18px;}
.pcard .pv{background:var(--ink);color:var(--white);border-radius:999px;font-family:var(--font-mono);
  font-weight:600;font-size:11.5px;letter-spacing:.08em;padding:6px 13px;}
.pcard .pv em{font-style:normal;color:var(--lime);}
.pcard .pacts{display:flex;gap:10px;margin-top:22px;width:100%;}
.pcard .pacts .btn{flex:1;}
.sellers-cta{display:flex;justify-content:center;margin-top:52px;}

/* catalog strip */
.catalog{background:linear-gradient(180deg,#8fafc0 0%,#a9c3cf 100%);padding:0 0 120px;}
.catalog h2{font-size:clamp(34px,3.6vw,48px);color:var(--ink);}
.catalog .sellers-sub{color:#2c4a5a;}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;}
.ccard{background:rgba(238,246,249,.72);border:1px solid rgba(255,255,255,.6);border-radius:22px;
  padding:22px 18px;display:flex;flex-direction:column;align-items:center;text-align:center;transition:.2s;color:var(--ink);}
.ccard:hover{transform:translateY(-4px);background:rgba(246,251,253,.9);color:var(--ink);}
.ccard img{height:130px;width:auto;filter:drop-shadow(0 18px 18px rgba(10,25,36,.3));}
.ccard .cname{font-family:var(--font-disp);font-size:20px;font-weight:400;margin-top:14px;color:var(--ink);}
.ccard .cmeta{font-family:var(--font-mono);font-weight:600;text-transform:uppercase;letter-spacing:.16em;
  font-size:10.5px;color:#537184;margin-top:6px;}
.ccard .cprice{font-family:var(--font-mono);font-weight:700;font-size:14px;margin-top:10px;color:var(--ink);}
.ccard .cprice span{font-weight:500;color:#537184;font-size:11.5px;letter-spacing:.08em;}
.ccard.out{opacity:.62;}
.ccard .cout{font-family:var(--font-mono);font-weight:700;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:#8a4b3c;margin-top:8px;}

/* protocols panel */
.protocols{background:linear-gradient(180deg,#a9c3cf 0%,#bdd2db 100%);padding:0 0 110px;}
.proto-panel{background:linear-gradient(180deg,#dde9ee,#e8f1f4);border-radius:var(--r-xl);
  padding:88px 76px;color:var(--ink);}
.proto-panel h2{font-size:clamp(42px,4.8vw,64px);line-height:1.1;color:#17313f;max-width:640px;}
.proto-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px 64px;margin-top:64px;}
.proto h3{font-size:31px;font-weight:400;color:#5d8299;font-style:italic;}
.proto p{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.13em;
  font-size:12.5px;line-height:1.9;color:#3c5a6a;margin-top:12px;}
.proto a{font-family:var(--font-mono);font-weight:700;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:#17313f;display:inline-block;margin-top:14px;border-bottom:1px solid #9db9c6;padding-bottom:2px;}
.proto a:hover{color:#5d8299;}

/* how it works */
.how{background:linear-gradient(180deg,#bdd2db 0%,#c8dae2 100%);padding:0 0 120px;}
.how-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center;}
.how-photo{border-radius:var(--r-lg);overflow:hidden;filter:grayscale(1);max-height:640px;}
.how-photo img{width:100%;height:100%;object-fit:cover;}
.how h2{font-size:clamp(42px,4.8vw,62px);color:#17313f;margin-bottom:40px;}
.step{border:1px solid #7797a8;border-radius:6px;padding:22px 26px;margin-top:18px;background:rgba(255,255,255,.25);}
.step .sh{font-family:var(--font-mono);font-weight:700;text-transform:uppercase;letter-spacing:.3em;
  font-size:14px;color:#17313f;}
.step p{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.12em;
  font-size:12px;line-height:1.85;color:#436170;margin-top:8px;}

/* FAQ */
.faq{background:linear-gradient(180deg,#c8dae2 0%,#dbe8ed 100%);padding:0 0 110px;}
.faq h2{font-size:clamp(48px,5vw,68px);color:#17313f;margin-bottom:44px;}
.faq-item{margin-bottom:16px;}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;text-align:left;
  background:rgba(250,253,254,.85);border-radius:16px;padding:22px 28px;
  font-family:var(--font-mono);font-weight:700;text-transform:uppercase;letter-spacing:.18em;font-size:13.5px;color:#17313f;
  transition:.15s;}
.faq-q:hover{background:#fff;}
.faq-q svg{flex:0 0 auto;transition:.2s;color:#436170;}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.12em;
  font-size:12.5px;line-height:1.9;color:#436170;padding:20px 28px 8px;}

/* final CTA */
.final{background:linear-gradient(180deg,#dbe8ed 0%,#e9f1f4 100%);padding:0 0 130px;text-align:center;}
.final h2{font-size:clamp(44px,5.6vw,76px);color:#17313f;line-height:1.06;}
.final .sub{font-family:var(--font-mono);font-weight:700;text-transform:uppercase;letter-spacing:.26em;
  font-size:14px;color:#93a52c;margin-top:26px;}
.final .btn{margin-top:44px;}
.club{margin-top:88px;}
.club .the{font-family:var(--font-mono);font-weight:600;letter-spacing:.4em;font-size:12px;color:#17313f;text-transform:uppercase;}
.club .lc{font-family:var(--font-disp);font-weight:400;font-size:46px;color:#17313f;line-height:1.15;}
.club .lc em{font-style:normal;color:var(--lime-deep);}
.club .by{font-family:var(--font-mono);font-weight:600;letter-spacing:.34em;font-size:11px;color:#436170;
  text-transform:uppercase;margin-top:10px;}

/* footer */
.footer{background:var(--navy-2);padding:74px 0 40px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;align-items:start;}
.foot-grid img{height:38px;width:auto;}
.foot-tag{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.16em;
  font-size:11.5px;color:#8ea9b6;margin-top:18px;max-width:320px;line-height:1.9;}
.foot-h{font-family:var(--font-mono);font-weight:700;text-transform:uppercase;letter-spacing:.26em;
  font-size:12px;color:var(--lime);margin-bottom:18px;}
.foot-l{display:flex;flex-direction:column;gap:12px;}
.foot-l a{font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:.16em;
  font-size:12px;color:#c9dae2;}
.foot-l a:hover{color:var(--lime);}
.foot-disc{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:#6d8a99;line-height:1.9;
  border-top:1px solid rgba(255,255,255,.1);margin-top:54px;padding-top:26px;}
.foot-c{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:#8ea9b6;margin-top:16px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;text-transform:uppercase;}

/* toast */
.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,20px);opacity:0;z-index:80;
  background:var(--ink);color:var(--white);border:1px solid rgba(205,220,63,.5);border-radius:999px;
  font-family:var(--font-mono);font-weight:600;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  padding:14px 26px;transition:.3s;pointer-events:none;}
.toast.on{opacity:1;transform:translate(-50%,0);}

/* responsive */
@media(max-width:1000px){
  .hero-grid{grid-template-columns:1fr;padding-top:140px;}
  .hero-drip{opacity:.22;}
  .ben-grid,.sell-grid{grid-template-columns:1fr 1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .proto-grid{grid-template-columns:1fr;gap:38px;}
  .proto-panel{padding:60px 40px;}
  .how-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .nav-inner{gap:14px;justify-content:space-between;}
  .nav-logo img{height:26px;}
  .foot-grid{grid-template-columns:1fr;gap:34px;}
}
@media(max-width:600px){
  .ben-grid,.sell-grid,.cat-grid{grid-template-columns:1fr;}
  .section{padding:80px 0;}
}