:root {
  --primary-color: #2D5C7F;
  --secondary-color: #1C3F5E;
  --accent-color: #F2D57F;
  --light-color: #ECF1F1;
  --dark-color: #0D1E2D;
  --gradient-primary: linear-gradient(135deg, #3D7299 0%, #2D5C7F 100%);
  --hover-color: #0A1822;
  --background-color: #F5F8FA;
  --text-color: #1C3F5E;
  --border-color: rgba(45,92,127,0.15);
  --divider-color: rgba(45,92,127,0.08);
  --shadow-color: rgba(13,30,45,0.06);
  --highlight-color: #C8A020;
  --main-font: 'Oswald', sans-serif;
  --alt-font: 'Lato', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--alt-font);
  font-size:clamp(14px,4vw,16px);
  color:var(--text-color);
  background-color:var(--background-color);
  min-height:100dvh;
  display:flex;flex-direction:column;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* PATTERN BG */
.pattern-bg{
  background-color:var(--background-color);
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(45,92,127,0.04) 39px,rgba(45,92,127,0.04) 40px),
    repeating-linear-gradient(90deg,transparent,transparent 59px,rgba(45,92,127,0.025) 59px,rgba(45,92,127,0.025) 60px);
}

/* HEADER */
.site-header{
  background:var(--dark-color);
  border-bottom:4px solid var(--accent-color);
  padding:1rem 0;
  position:relative;overflow:hidden;
}
.header-deco{
  display:none;
  position:absolute;right:0;top:0;bottom:0;width:38%;
  pointer-events:none;
}
.header-deco::before{
  content:'';display:block;
  position:absolute;right:-40px;top:-50px;
  width:240px;height:240px;border-radius:50%;
  border:36px solid rgba(242,213,127,0.07);
}
.header-deco::after{
  content:'';display:block;
  position:absolute;right:80px;bottom:-60px;
  width:160px;height:160px;border-radius:50%;
  border:24px solid rgba(242,213,127,0.04);
}
@media(min-width:768px){.header-deco{display:block}}
.header-inner{
  max-width:1100px;margin:0 auto;
  padding:0 1.5rem;
  display:flex;align-items:center;
  position:relative;z-index:1;
}
.logo{display:flex;align-items:center;gap:.65rem;text-decoration:none}
.logo-icon{width:40px;height:40px;flex-shrink:0}
.logo-text{
  font-family:var(--main-font);font-weight:700;
  font-size:clamp(18px,4vw,24px);
  color:#fff;letter-spacing:.1em;text-transform:uppercase;
}
.logo-text em{font-style:normal;color:var(--accent-color)}

main{flex:1;display:flex;flex-direction:column}

/* PRODUCT SECTION */
.product-section{
  flex:1;padding:1.75rem 0;
  display:flex;flex-direction:column;
}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 1.5rem}

.product-grid{
  display:grid;grid-template-columns:1fr;gap:1.75rem;
}
@media(min-width:768px){.product-grid{grid-template-columns:340px 1fr;align-items:start}}

/* LEFT COL */
.left-col{display:flex;flex-direction:column;gap:1rem}

.product-image-wrap{
  background:#fff;
  border:1px solid var(--border-color);
  border-top:4px solid var(--primary-color);
  padding:1.5rem;text-align:center;
}
.product-image-wrap picture,.product-image-wrap img{
  display:block;max-width:100%;height:auto;
  max-height:230px;object-fit:contain;margin:0 auto;
}

.guarantee-block{
  background:var(--light-color);
  border:1px solid var(--border-color);
  border-left:4px solid var(--accent-color);
  padding:.85rem 1rem;
  display:flex;align-items:flex-start;gap:.65rem;
}
.guarantee-block svg{flex-shrink:0;width:18px;height:18px;color:var(--primary-color);margin-top:3px}
.guarantee-block p{
  font-family:var(--main-font);font-weight:600;font-size:12px;
  color:var(--dark-color);text-transform:uppercase;letter-spacing:.06em;line-height:1.4;
}
.guarantee-block span{
  display:block;font-family:var(--alt-font);font-weight:400;font-size:11px;
  color:rgba(13,30,45,.55);margin-top:2px;text-transform:none;
}

.features-list{
  display:flex;flex-direction:column;gap:0;
  border:1px solid var(--border-color);background:#fff;
}
.feature-item{
  display:flex;align-items:center;gap:.75rem;
  padding:.65rem 1rem;
  border-bottom:1px solid var(--divider-color);
}
.feature-item:last-child{border-bottom:none}
.fi-icon{
  width:38px;height:38px;flex-shrink:0;
  background:var(--primary-color);
  display:flex;align-items:center;justify-content:center;
}
.fi-icon svg{width:18px;height:18px;color:var(--accent-color)}
.fi-text{display:flex;flex-direction:column;gap:.1rem}
.fi-title{
  font-family:var(--main-font);font-weight:700;font-size:12px;
  color:var(--dark-color);text-transform:uppercase;letter-spacing:.06em;
}
.fi-desc{font-family:var(--alt-font);font-size:11px;color:rgba(13,30,45,.58);line-height:1.4}

.price-cta{
  background:var(--primary-color);
  padding:.85rem 1rem;
  display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;
}
.price-amount{
  font-family:var(--main-font);font-weight:700;
  font-size:clamp(20px,4vw,28px);
  color:var(--accent-color);letter-spacing:.04em;
}
.btn-cart{
  display:flex;align-items:center;gap:.45rem;
  min-height:46px;padding:.7rem 1.5rem;
  background:var(--accent-color);color:var(--dark-color);
  font-family:var(--main-font);font-weight:700;font-size:14px;
  letter-spacing:.08em;text-transform:uppercase;
  text-decoration:none;border:none;
  transition:background .2s;
}
.btn-cart:hover{background:var(--highlight-color)}
.btn-cart svg{width:16px;height:16px}

/* RIGHT COL */
.right-col{display:flex;flex-direction:column;gap:1rem}
.product-eyebrow{
  font-family:var(--main-font);font-size:10px;font-weight:700;
  letter-spacing:.28em;text-transform:uppercase;color:var(--secondary-color);
}
.product-title{
  font-family:var(--main-font);font-weight:700;
  font-size:clamp(26px,5vw,42px);
  color:var(--dark-color);line-height:1;letter-spacing:.04em;text-transform:uppercase;
}
.product-title em{font-style:normal;color:var(--primary-color)}
.product-rule{height:3px;width:48px;background:var(--accent-color)}
.product-desc{
  font-family:var(--alt-font);font-size:clamp(13.5px,3.5vw,15px);
  color:rgba(13,30,45,.74);line-height:1.85;
}
.cta-banner{
  background:var(--dark-color);
  border-left:5px solid var(--accent-color);
  padding:1rem 1.25rem;
  margin-top:.25rem;
}
.cta-banner strong{
  display:block;
  font-family:var(--main-font);font-weight:700;
  font-size:clamp(14px,3.5vw,18px);
  color:var(--accent-color);text-transform:uppercase;letter-spacing:.04em;line-height:1.3;
}
.cta-banner span{
  display:block;
  font-family:var(--alt-font);font-size:12.5px;
  color:rgba(255,255,255,.55);margin-top:.35rem;
}

/* TESTIMONIALS */
.testimonials-section{
  background:var(--primary-color);
  padding:2rem 0;
  border-top:4px solid var(--accent-color);
}
.t-section-head{text-align:center;margin-bottom:1.25rem}
.t-section-head h2{
  font-family:var(--main-font);font-weight:700;
  font-size:clamp(16px,4vw,22px);
  color:#fff;text-transform:uppercase;letter-spacing:.1em;
}
.t-bar{width:36px;height:3px;background:var(--accent-color);margin:.4rem auto 0}
.t-grid{
  display:grid;grid-template-columns:1fr;gap:.75rem;
}
@media(min-width:640px){.t-grid{grid-template-columns:repeat(2,1fr)}}
.t-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(242,213,127,0.2);
  border-top:3px solid var(--accent-color);
  padding:1.1rem;
}
.t-header{display:flex;align-items:center;gap:.6rem;margin-bottom:.45rem}
.t-avatar{
  width:38px;height:38px;
  background:var(--dark-color);
  border:2px solid var(--accent-color);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  font-family:var(--main-font);font-weight:700;font-size:12px;color:var(--accent-color);
}
.t-name{
  font-family:var(--main-font);font-weight:700;font-size:12.5px;
  color:#fff;text-transform:uppercase;letter-spacing:.04em;
}
.t-loc{font-family:var(--alt-font);font-size:10.5px;color:rgba(242,213,127,.7)}
.t-stars{display:flex;gap:2px;margin-bottom:.4rem}
.t-stars svg{width:12px;height:12px;fill:var(--accent-color)}
.t-text{
  font-family:var(--alt-font);font-size:12.5px;
  color:rgba(255,255,255,.72);line-height:1.65;font-style:italic;
}

/* FOOTER */
.site-footer{
  background:var(--dark-color);
  border-top:3px solid var(--primary-color);
}
.footer-inner{
  max-width:1100px;margin:0 auto;
  padding:1rem 1.5rem;
  display:flex;flex-direction:column;align-items:center;gap:.8rem;
}
@media(min-width:768px){.footer-inner{flex-direction:row;justify-content:space-between;align-items:center}}
.footer-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none}
.footer-logo-icon{width:26px;height:26px}
.footer-logo-text{
  font-family:var(--main-font);font-weight:700;font-size:16px;
  color:#fff;letter-spacing:.1em;text-transform:uppercase;
}
.footer-logo-text em{font-style:normal;color:var(--accent-color)}
.footer-nav{display:flex;flex-direction:column;align-items:center;gap:.4rem}
@media(min-width:768px){.footer-nav{flex-direction:row;gap:1.4rem}}
.footer-nav a{
  font-family:var(--alt-font);font-size:11.5px;
  color:rgba(255,255,255,.42);text-decoration:none;transition:color .2s;
}
.footer-nav a:hover{color:var(--accent-color)}
.footer-copyright{
  border-top:1px solid rgba(255,255,255,.07);
  padding:.5rem 1.5rem;text-align:center;
  font-family:var(--alt-font);font-size:11px;
  color:rgba(255,255,255,.22);
  max-width:1100px;margin:0 auto;width:100%;
}