:root {
  --navy:       #0b1b38;
  --navy-800:   #152d60;
  --navy-700:   #1d3d7a;
  --red:        #d42b45;
  --red-dark:   #b52239;
  --red-darker: #922030;
  --teal:       #15b89e;
  --teal-dark:  #0da08a;
  --ice:        #f3f7fc;
  --ice-100:    #e4edf8;
  --white:      #ffffff;
  --text:       #0f1e36;
  --muted:      #4a5a78;
  --line:       #c9d7ed;
  --line-s:     #a8bdd9;
  --shadow:     0 4px 16px rgba(11,27,56,.08);
  --shadow-lg:  0 12px 32px rgba(11,27,56,.14);
  --r-xl: .85rem;
  --r-lg: .65rem;
  --r-md: .45rem;
  --wide: 1160px;
  --mid:   900px;
  --text-w: 720px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}

body{
  color:var(--text);
  background:var(--ice);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Helvetica Neue',Arial,sans-serif;
  line-height:1.68;
}

a{color:inherit;text-decoration:none;}

:focus-visible{outline:3px solid rgba(212,43,69,.4);outline-offset:2px;}

/* ── Utilities ──────────────────────────────── */
.container{ width:min(100% - 2rem, var(--wide)); margin-inline:auto; }
.container-mid{ width:min(100% - 2rem, var(--mid)); margin-inline:auto; }
.container-text{ width:min(100% - 2rem, var(--text-w)); margin-inline:auto; }

.hidden{display:none!important;}
.muted{color:var(--muted);}
.disclaimer{font-size:.9rem;color:var(--muted);}

/* ── Topbar ─────────────────────────────────── */
.topbar{
  background:linear-gradient(90deg,var(--navy) 0%,#1a2f5c 55%,var(--navy) 100%);
  color:#dde8fb;
  text-align:center;
  font-size:.78rem;
  font-weight:700;
  padding:.45rem 1rem;
  letter-spacing:.05em;
  text-transform:uppercase;
}

/* ── Header ─────────────────────────────────── */
.site-header{
  position:sticky;top:0;z-index:30;
  background:rgba(243,247,252,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-s);
}

.nav-row{
  display:flex;align-items:center;
  justify-content:space-between;
  gap:1rem;padding:.85rem 0;
}

.brand{
  font-size:1.45rem;font-weight:800;
  letter-spacing:-.03em;color:var(--navy);
  display:flex;align-items:center;gap:.4rem;
  flex-shrink:0;
}
.brand-icon{width:1.6rem;height:1.6rem;flex-shrink:0;}

.nav-links{display:none;gap:1.1rem;font-weight:700;font-size:.92rem;color:var(--navy-800);}
.nav-links a:hover{color:var(--red);}

/* ── Buttons ─────────────────────────────────── */
.btn{
  border:1px solid transparent;
  border-radius:var(--r-md);
  padding:.72rem 1.2rem;
  font-weight:800;font-size:.9rem;
  letter-spacing:.02em;text-transform:uppercase;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:transform .15s,box-shadow .15s,background .15s;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(180deg,var(--red) 0%,var(--red-dark) 100%);
  color:#fff;border-color:var(--red-darker);
  box-shadow:0 8px 22px rgba(212,43,69,.32);
}
.btn-primary:hover{box-shadow:0 12px 28px rgba(212,43,69,.45);}
.btn-outline{border:1.5px solid rgba(21,45,96,.3);color:var(--navy-800);background:transparent;}
.btn-lg{padding:.9rem 2rem;font-size:1rem;}
.btn-xl{padding:1.05rem 2.6rem;font-size:1.08rem;}

/* ── HERO ───────────────────────────────────── */
.hero{
  background:linear-gradient(135deg,var(--navy) 0%,#1a3570 60%,#0d254f 100%);
  color:#fff;
  padding:4rem 0 3.5rem;
  overflow:hidden;
  position:relative;
}

.hero::before{
  content:'';
  position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 80% at 70% 50%, rgba(21,184,158,.12) 0%, transparent 70%);
  pointer-events:none;
}

.hero-inner{
  display:grid;
  gap:2.5rem;
  align-items:center;
}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(212,43,69,.18);
  border:1px solid rgba(212,43,69,.4);
  color:#ffa0ae;
  font-size:.72rem;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;
  padding:.28rem .7rem;border-radius:999px;
  margin-bottom:1rem;
}

.hero h1{
  font-size:clamp(2.2rem,5.5vw,3.6rem);
  font-weight:800;line-height:1.06;
  letter-spacing:-.035em;
  color:#fff;
}

.hero h1 span{color:var(--teal);}

.hero-sub{
  font-size:1.12rem;color:#9ab3d8;
  margin:1.1rem 0 1.8rem;
  max-width:46ch;line-height:1.6;
}

.hero-ctas{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;}

.hero-trust{
  margin-top:1.5rem;
  display:flex;flex-wrap:wrap;gap:.6rem .9rem;
  font-size:.8rem;color:#7a98c4;font-weight:600;
}
.hero-trust span{display:flex;align-items:center;gap:.3rem;}

.hero-img-wrap{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:0 24px 64px rgba(0,0,0,.4);
  max-width:520px;
  margin:0 auto;
}
.hero-img-wrap img{
  width:100%;display:block;
  aspect-ratio:4/3;object-fit:cover;
}

.hero-badge{
  position:absolute;bottom:1rem;left:1rem;
  background:rgba(11,27,56,.85);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--r-lg);
  padding:.55rem .85rem;
  color:#fff;
  display:flex;align-items:center;gap:.5rem;
}
.hero-badge-dot{
  width:.65rem;height:.65rem;
  border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 3px rgba(21,184,158,.3);
  animation:pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{box-shadow:0 0 0 3px rgba(21,184,158,.3);}
  50%{box-shadow:0 0 0 6px rgba(21,184,158,.1);}
}
.hero-badge strong{font-size:.82rem;font-weight:700;}
.hero-badge span{font-size:.72rem;color:#9ab3d8;}

/* ── Stats bar ──────────────────────────────── */
.stats-bar{
  background:var(--navy);
  padding:1.8rem 0;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.stats-grid{
  display:grid;gap:0;
  grid-template-columns:repeat(3,1fr);
  divide-x:1px solid rgba(255,255,255,.1);
}
.stat-item{
  text-align:center;padding:0 1rem;
  border-right:1px solid rgba(255,255,255,.1);
}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:800;color:var(--teal);
  letter-spacing:-.03em;line-height:1;
}
.stat-lbl{
  font-size:.75rem;font-weight:700;
  color:#7a98c4;text-transform:uppercase;
  letter-spacing:.06em;margin-top:.25rem;
}

/* ── Section headings ───────────────────────── */
.section{padding:4rem 0;}
.section-sm{padding:2.5rem 0;}

.section-label{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:.7rem;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--red);
  margin-bottom:.7rem;
}
.section-label::before{
  content:'';display:block;
  width:1.6rem;height:2px;
  background:var(--red);border-radius:99px;
}

.section-title{
  font-size:clamp(1.7rem,3.5vw,2.6rem);
  font-weight:800;color:var(--navy);
  letter-spacing:-.025em;line-height:1.15;
  margin-bottom:.7rem;
}
.section-sub{
  font-size:1.06rem;color:var(--muted);
  max-width:56ch;line-height:1.65;
}

/* ── Callout / Warn ─────────────────────────── */
.callout{
  background:#eaf2fd;
  border:1px solid #b8d2f0;
  border-left:4px solid var(--navy-700);
  border-radius:var(--r-lg);
  padding:.9rem 1rem;margin:1.4rem 0;
  font-size:.95rem;
}
.warn{
  background:#fff4f1;
  border:1px solid #f4b8b2;
  border-left:4px solid var(--red-dark);
  border-radius:var(--r-lg);
  padding:.85rem 1rem;margin:1.4rem 0;
  color:#7a1a20;font-weight:600;
  font-size:.95rem;
}

/* ── Problem split ──────────────────────────── */
.problem-grid{
  display:grid;gap:3rem;align-items:center;
}
.problem-img{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.problem-img img{
  width:100%;display:block;
  aspect-ratio:4/3;object-fit:cover;
}
.problem-text p{
  font-size:1.02rem;color:#1c2f50;
  margin-bottom:1rem;line-height:1.72;
}
.problem-text p:last-child{margin-bottom:0;}

/* ── Feature cards ──────────────────────────── */
.features-grid{
  display:grid;gap:1rem;
}
.feat-card{
  background:var(--white);
  border:1px solid var(--line-s);
  border-top:3px solid var(--red);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  padding:1.3rem 1.2rem;
  transition:transform .18s,box-shadow .18s;
}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.feat-icon{font-size:1.7rem;margin-bottom:.6rem;}
.feat-title{font-size:1.05rem;font-weight:800;color:var(--navy);margin-bottom:.4rem;}
.feat-desc{font-size:.93rem;color:var(--muted);line-height:1.6;}

/* ── How it works ───────────────────────────── */
.steps-bg{
  background:var(--navy);
  padding:4rem 0;
}
.steps-grid{display:grid;gap:1rem;}
.step-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-xl);
  padding:1.2rem 1.1rem;
  display:flex;gap:1rem;align-items:flex-start;
}
.step-num{
  width:2.2rem;height:2.2rem;
  border-radius:50%;
  background:var(--red);
  color:#fff;font-weight:800;font-size:.92rem;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.step-body h3{font-size:1rem;font-weight:700;color:#fff;margin-bottom:.2rem;}
.step-body p{font-size:.88rem;color:#8faad0;line-height:1.55;}

/* ── Demonstration image ────────────────────── */
.demo-img{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  margin:2rem 0;
}
.demo-img img{
  width:100%;display:block;
  object-fit:cover;
}

/* ── Before / After ─────────────────────────── */
.before-after{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.before-after img{width:100%;display:block;}

/* ── Display highlight ──────────────────────── */
.display-wrap{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:#000;
}
.display-wrap img{width:100%;display:block;}

/* ── Kit section ────────────────────────────── */
.kit-img{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.kit-img img{width:100%;display:block;}
.kit-list{list-style:none;display:grid;gap:.6rem;}
.kit-list li{
  display:flex;align-items:flex-start;gap:.6rem;
  font-size:.98rem;color:#1c2f50;
}
.kit-list li::before{
  content:'✓';
  color:var(--teal-dark);font-weight:800;
  flex-shrink:0;margin-top:.05rem;
}

/* ── Trust badges ───────────────────────────── */
.badges-row{
  display:grid;gap:.75rem;
  grid-template-columns:repeat(2,1fr);
}
.badge-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  padding:1rem;
  text-align:center;
}
.badge-icon-lg{font-size:1.8rem;margin-bottom:.4rem;}
.badge-title{font-size:.9rem;font-weight:700;color:var(--navy);}
.badge-desc{font-size:.78rem;color:var(--muted);margin-top:.15rem;}

/* ── Price card ─────────────────────────────── */
.price-section{
  background:linear-gradient(135deg,#0b1b38 0%,#162d60 100%);
  padding:4rem 0;
}
.price-card{
  background:var(--white);
  border-radius:var(--r-xl);
  box-shadow:0 24px 56px rgba(0,0,0,.25);
  overflow:hidden;
  max-width:760px;margin-inline:auto;
}
.price-card-header{
  background:var(--red);
  padding:1.1rem 1.5rem;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;
}
.price-card-header h2{font-size:1.15rem;font-weight:800;letter-spacing:-.01em;}
.price-card-badge{
  background:rgba(255,255,255,.2);
  font-size:.68rem;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;
  padding:.22rem .6rem;border-radius:999px;
}
.price-card-body{padding:1.8rem 1.5rem;}
.price-tag{
  font-size:clamp(2.4rem,6vw,3.4rem);
  font-weight:800;color:var(--navy);
  letter-spacing:-.04em;line-height:1;
  margin-bottom:1.2rem;
}
.price-tag small{font-size:1.1rem;font-weight:600;color:var(--muted);letter-spacing:0;}

/* ── FAQ ────────────────────────────────────── */
.faq-list{display:grid;gap:.7rem;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line-s);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-q{
  width:100%;background:none;border:none;
  text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;
  padding:1.05rem 1.15rem;
  font-size:1rem;font-weight:700;color:var(--navy);
  font-family:inherit;
}
.faq-q:hover{background:#f8fbff;}
.faq-arrow{
  width:1.4rem;height:1.4rem;flex-shrink:0;
  border:2px solid var(--line-s);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:.75rem;
  transition:transform .25s,background .2s;
}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:var(--red);border-color:var(--red);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:.2rem 1.15rem 1rem;
  font-size:.97rem;color:#1c2f50;line-height:1.7;
}

/* ── Forms ──────────────────────────────────── */
form{display:grid;gap:.85rem;}
label{display:grid;gap:.35rem;font-weight:600;color:var(--navy);}
input,select,textarea{
  width:100%;
  border:1.5px solid var(--line-s);
  border-radius:var(--r-md);
  padding:.75rem .9rem;
  font-size:1rem;
  background:#fafcff;
  font-family:inherit;
  transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--navy-700);outline:none;}
input.invalid,select.invalid,textarea.invalid{border-color:#c42840;background:#fff7f8;}
.field-error{min-height:1rem;font-size:.76rem;color:#a02030;font-weight:600;}

.payment-methods{display:grid;grid-template-columns:1fr 1fr;gap:.65rem;}
.method-option{
  display:flex;align-items:center;gap:.5rem;
  padding:.65rem .75rem;
  border:1.5px solid var(--line-s);
  border-radius:var(--r-md);
  background:#fff;cursor:pointer;font-weight:700;
}
.method-option input{width:auto;margin:0;accent-color:var(--red);}
.method-option.active{border-color:var(--red-dark);box-shadow:0 0 0 3px rgba(212,43,69,.12);background:#fff8f9;}
.payment-block{margin-top:.2rem;display:grid;gap:.75rem;}

.checkout-feedback{
  margin-top:.2rem;padding:.75rem .9rem;
  border-radius:var(--r-md);border:1px solid transparent;
  font-size:.92rem;display:none;
}
.checkout-feedback.error{display:block;background:#fff3f4;border-color:#f0b0b8;color:#9a2030;}
.checkout-feedback.success{display:block;background:#edfaf5;border-color:#a8e0c8;color:#1a6645;}

/* ── Cards (checkout) ───────────────────────── */
.form-card,.summary-card,.info-card{
  background:var(--white);
  border:1px solid var(--line-s);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  padding:1.4rem 1.2rem;
}
.summary-inner{
  background:#f5f8fc;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:1rem;margin-bottom:.9rem;
}

/* ── Footer ─────────────────────────────────── */
.site-footer{
  background:var(--navy);
  color:#c8d8f0;
  padding:2.8rem 0 1.8rem;
  border-top:3px solid var(--red-dark);
}
.footer-grid{display:grid;gap:1.4rem;}
.footer-brand{font-size:1.35rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:.4rem;margin-bottom:.6rem;}
.footer-note{font-size:.86rem;color:#7a98c4;max-width:62ch;line-height:1.6;}
.footer-links{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin-top:.6rem;}
.footer-links a{color:#c8d8f0;font-weight:600;font-size:.9rem;}
.footer-links a:hover{color:var(--teal);}

/* ── Breadcrumbs ────────────────────────────── */
.crumbs{margin-top:1.2rem;color:var(--muted);font-size:.84rem;}
.tag{
  display:inline-block;
  background:#ffd8de;color:#7a1528;
  border:1px solid #f0a5b0;
  border-radius:var(--r-md);
  padding:.25rem .65rem;
  font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  margin:.6rem 0;
}

/* ── Product page specifics ─────────────────── */
.product-split{display:grid;gap:2.5rem;align-items:start;}
.spec-grid{display:grid;gap:.75rem;}
.spec-card{
  background:var(--white);border:1px solid var(--line-s);
  border-radius:var(--r-xl);box-shadow:var(--shadow);
  padding:1.1rem 1.1rem;
}
.spec-card h3{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:.5rem;}
.spec-list{list-style:none;}
.spec-list li{
  font-size:.9rem;color:#1c2f50;
  padding:.25rem 0;
  border-bottom:1px solid var(--ice-100);
  display:flex;align-items:flex-start;gap:.5rem;
}
.spec-list li:last-child{border:none;}
.spec-list li::before{content:'·';color:var(--teal-dark);font-weight:800;flex-shrink:0;}

/* ── Grid helpers ───────────────────────────── */
.grid-2{display:grid;gap:1rem;}

/* ── Responsive ─────────────────────────────── */
@media(min-width:640px){
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .badges-row{grid-template-columns:repeat(4,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
}

@media(min-width:860px){
  .nav-links{display:flex;}
  .hero-inner{grid-template-columns:1fr 1fr;}
  .problem-grid{grid-template-columns:1fr 1fr;}
  .features-grid{grid-template-columns:repeat(3,1fr);}
  .steps-grid{grid-template-columns:repeat(3,1fr);}
  .kit-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center;}
  .product-split{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1.5fr 1fr;}
  .grid-2{grid-template-columns:repeat(2,1fr);}
}

@media(min-width:1060px){
  .features-grid{grid-template-columns:repeat(3,1fr);}
}

@media(prefers-reduced-motion:no-preference){
  .feat-card,.spec-card,.faq-item,.badge-card{transition:transform .18s,box-shadow .18s;}
}