:root{
  --c-red:#FF3B30;--c-green:#34C759;--c-blue:#007AFF;--c-yellow:#FFD60A;--c-orange:#FF9500;
  --c-white:#FFFFFF;
  --ink:#0d1b2a;--ink-2:#26354a;
  --teal:#1fa8a0;--cool:#0f2535;--cool-2:#16344a;--cool-grey:#e6edf2;
  --light:#f4f8fb;
  --space:clamp(2.5rem,6vw,5.5rem);
  --radius:0px;
  --shadow:0 18px 40px -16px rgba(8,30,50,.45);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--mrc-font-fa);
  color:var(--ink);background:var(--c-white);line-height:1.8;
  overflow-x:hidden;
}
h1,h2,h3{font-family:var(--mrc-font-fa-display);line-height:1.3;letter-spacing:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 clamp(1rem,4vw,2.5rem)}
.narrow{max-width:820px}
.center{text-align:center}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(15,37,53,.92);backdrop-filter:blur(8px);border-bottom:3px solid var(--c-yellow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-family:var(--mrc-font-fa-display);font-size:1.5rem;color:#fff;font-weight:800}
.brand span{color:var(--c-yellow);margin-inline-start:.3rem}
.nav{display:flex;gap:1.4rem;align-items:center}
.nav a{color:#cfe1ee;font-weight:600;font-size:.98rem}
.nav a:hover{color:var(--c-yellow)}
.nav-cta{background:var(--c-green);color:#06311a !important;padding:.5rem 1rem;font-weight:800}
.nav-cta:hover{background:var(--c-yellow)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:#fff;display:block}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.85rem 1.8rem;font-weight:800;font-size:1.05rem;cursor:pointer;border:0;font-family:inherit;transition:transform .18s,box-shadow .18s}
.btn-primary{
  position:relative;color:#06311a;overflow:hidden;
  background:linear-gradient(115deg,var(--c-yellow),var(--c-green) 55%,var(--teal));
  box-shadow:0 10px 26px -10px rgba(52,199,89,.8);
}
.btn-primary::after{
  content:"";position:absolute;top:0;bottom:0;width:60%;left:-80%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);
  animation:sheen 3.2s ease-in-out infinite;
}
@keyframes sheen{0%{left:-80%}55%{left:140%}100%{left:140%}}
.btn-primary:hover{transform:translateY(-3px) scale(1.02)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:3px solid var(--c-blue);outline-offset:3px}
.btn-lg{font-size:1.2rem;padding:1.1rem 2.6rem}
.btn-ghost{background:transparent;color:#fff;border:2px solid #fff}
.btn-ghost:hover{background:#fff;color:var(--cool)}

/* hero */
.hero{position:relative;color:#fff;padding:clamp(3rem,8vw,6rem) 0;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(15,37,53,.78),rgba(15,37,53,.35))}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.hero-card{background:rgba(15,37,53,.55);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.25);padding:clamp(1.6rem,4vw,2.8rem)}
.kicker{color:var(--c-yellow);font-weight:800;letter-spacing:.5px;margin-bottom:.6rem}
.hero-card h1{font-size:clamp(2rem,5.5vw,3.4rem)}
.lead{font-size:clamp(1.05rem,2.2vw,1.3rem);margin:1rem 0 1.6rem;color:#e7f0f7}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-note{margin-top:1.2rem;font-size:.92rem;color:#bcd2e2}
.hero-visual img{width:100%;aspect-ratio:1/1;object-fit:cover;border:6px solid var(--c-yellow);box-shadow:var(--shadow)}

/* sections */
.section{padding:var(--space) 0}
.section-dark{background:var(--cool);color:#eaf3fa}
.section-dark h2,.section-dark h3{color:#fff}
.section-light{background:var(--light);color:var(--ink)}
.section h2{font-size:clamp(1.6rem,4vw,2.5rem);margin-bottom:.6rem}
.section-intro{font-size:1.1rem;margin-bottom:2rem;max-width:640px}
.section-dark .section-intro{color:#c6d8e6}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem}
.card{background:#fff;color:var(--ink);padding:1.6rem;border-top:5px solid var(--c-blue);box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
.section-dark .card{background:#0c2032;color:#e7f1f8;border-top-color:var(--c-yellow)}
.card:nth-child(2){border-top-color:var(--c-green)}
.card:nth-child(3){border-top-color:var(--c-orange)}
.card:nth-child(4){border-top-color:var(--c-red)}
.card:hover{transform:translateY(-6px) rotate(-.6deg)}
.card .ic{font-size:2rem;display:block;margin-bottom:.6rem}
.card h3{margin-bottom:.4rem;font-size:1.2rem}
.quote p{font-size:1.05rem;font-style:italic}
.quote cite{display:block;margin-top:.8rem;color:var(--c-yellow);font-weight:700;font-style:normal}

.steps{list-style:none;display:grid;gap:1.1rem}
.step{background:#fff;padding:1.4rem 1.4rem 1.4rem 1.4rem;display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start;box-shadow:var(--shadow);border-inline-start:6px solid var(--c-orange);transition:transform .2s}
.step:hover{transform:translateX(-6px)}
.step .num{background:var(--c-blue);color:#fff;width:48px;height:48px;display:grid;place-items:center;font-size:1.4rem;font-weight:800;font-family:var(--mrc-font-fa-display)}
.step:nth-child(odd) .num{background:var(--c-green)}
.step h3{margin-bottom:.2rem}

.materials{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.mat{background:#0c2032;padding:1.1rem 1.3rem;display:flex;align-items:center;gap:.8rem;border-inline-start:5px solid var(--c-green);font-weight:600}
.mat .ic{font-size:1.4rem}

.faq details{background:#fff;margin-bottom:.8rem;border:2px solid var(--cool-grey);box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:1.1rem 1.3rem;font-weight:800;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--c-blue);font-size:1.4rem}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 1.3rem 1.2rem}

.cta-section{background:linear-gradient(135deg,var(--cool-2),var(--cool));color:#fff;text-align:center}
.cta-section h2{color:#fff}
.cta-section .section-intro{margin:0 auto 1.8rem;color:#cfe1ee}

/* footer */
.site-footer{background:#08161f;color:#cfe1ee;padding:2.6rem 0 1.4rem}
.footer-inner{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.muted{color:#8fa9bb;margin-top:.5rem;max-width:320px}
.footer-nav{display:flex;flex-direction:column;gap:.6rem}
.footer-nav a:hover{color:var(--c-yellow)}
.copyright{text-align:center;margin-top:1.8rem;color:#73899a;font-size:.9rem}

/* legal */
.legal{padding:var(--space) 0}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.5rem}
.legal .updated{color:var(--c-blue);font-weight:700;margin-bottom:2rem}
.legal h2{font-size:1.3rem;margin:1.8rem 0 .6rem;color:var(--ink)}
.legal p,.legal li{margin-bottom:.7rem}
.legal ul{padding-inline-start:1.4rem}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:360px;margin:0 auto}
}
@media (max-width:760px){
  .nav-toggle{display:flex}
  .nav{position:fixed;inset:66px 0 auto 0;background:var(--cool);flex-direction:column;padding:1.2rem;gap:1rem;transform:translateY(-130%);transition:transform .3s;border-bottom:3px solid var(--c-yellow)}
  .nav.open{transform:none}
  .step{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn-primary::after{animation:none;display:none}
  .btn:hover,.card:hover,.step:hover{transform:none}
}