:root {
  --primary-color: #2A3E58;
  --secondary-color: #1A2B40;
  --accent-color: #E74C3C;
  --light-color: #EEF2F7;
  --dark-color: #0C1824;
  --gradient-primary: linear-gradient(135deg, #3D5575 0%, #2A3E58 100%);
  --hover-color: #0C1824;
  --background-color: #F8FAFB;
  --text-color: #0C1824;
  --border-color: rgba(42,62,88,0.14);
  --divider-color: rgba(42,62,88,0.08);
  --shadow-color: rgba(12,24,36,0.06);
  --highlight-color: #C0392B;
  --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}

/* PATTERN: diagonal offset lines */
.pattern-bg{
  background-color:var(--background-color);
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 18px,
      rgba(42,62,88,0.025) 18px,
      rgba(42,62,88,0.025) 19px
    ),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 36px,
      rgba(231,76,60,0.018) 36px,
      rgba(231,76,60,0.018) 37px
    );
}

/* HEADER — dark */
.site-header{padding:1.1rem 0;background:var(--dark-color);border-bottom:4px solid var(--accent-color);position:relative;overflow:hidden}
.header-deco{display:none;position:absolute;inset:0;pointer-events:none}
.header-deco::before{content:'';position:absolute;right:2%;top:50%;transform:translateY(-50%);width:120px;height:2px;background:rgba(231,76,60,0.2)}
.header-deco::after{content:'';position:absolute;right:2%;top:calc(50% - 8px);transform:translateY(-50%);width:70px;height:2px;background:rgba(231,76,60,0.12)}
@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:.6rem;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(20px,4vw,28px);color:#fff;letter-spacing:.12em;text-transform:uppercase}
.logo-text em{font-style:normal;color:var(--accent-color)}

main{flex:1}

/* HERO STRIP */
.hero-strip{background:var(--primary-color);padding:2rem 0;border-bottom:4px solid var(--accent-color);position:relative;overflow:hidden}
.hero-strip::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(-45deg,transparent,transparent 18px,rgba(255,255,255,0.02) 18px,rgba(255,255,255,0.02) 19px);pointer-events:none}
.hero-inner{max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex;flex-direction:column;align-items:flex-start;gap:.6rem;position:relative;z-index:1}
@media(min-width:768px){.hero-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.hero-eyebrow{font-family:var(--alt-font);font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.hero-title{font-family:var(--main-font);font-weight:700;font-size:clamp(44px,8vw,80px);color:#fff;line-height:.9;letter-spacing:.06em;text-transform:uppercase}
.hero-title em{font-style:normal;color:var(--accent-color)}
.hero-tagline{font-family:var(--alt-font);font-size:clamp(13px,3.5vw,15px);color:rgba(255,255,255,.65);max-width:380px;line-height:1.55}
.hero-price-block{background:var(--accent-color);padding:1rem 1.75rem;flex-shrink:0;text-align:center;align-self:stretch;display:flex;flex-direction:column;justify-content:center;gap:.15rem}
.hero-price-label{font-family:var(--alt-font);font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.hero-price-amount{font-family:var(--main-font);font-weight:700;font-size:clamp(28px,5vw,42px);color:#fff;line-height:1;letter-spacing:.04em}
.hero-price-currency{font-family:var(--alt-font);font-size:12px;font-weight:700;color:rgba(255,255,255,.65)}

/* PRODUCT CONTENT */
.product-section{width:100%;background:var(--background-color)}
.product-section>.container{padding-top:0;padding-bottom:0;max-width:1100px}
.product-grid{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:768px){.product-grid{grid-template-columns:300px 1fr;align-items:start}}

/* LEFT */
.left-col{background:var(--light-color);padding:2rem 1.5rem;display:flex;flex-direction:column;gap:1rem;border-bottom:1px solid var(--border-color)}
@media(min-width:768px){.left-col{padding:2rem 1.75rem;border-bottom:none;border-right:3px solid var(--primary-color)}}

.product-image-wrap{background:#fff;border:1px solid var(--border-color);border-top:4px solid var(--accent-color);padding:1.75rem 1rem;text-align:center}
.product-image-wrap picture,.product-image-wrap img{display:block;max-width:100%;height:auto;max-height:240px;object-fit:contain;margin:0 auto}

.guarantee-block{background:var(--dark-color);border-left:4px solid var(--accent-color);padding:.9rem 1rem;display:flex;align-items:flex-start;gap:.65rem}
.guarantee-icon{flex-shrink:0;width:20px;height:20px;color:var(--accent-color);margin-top:2px}
.guarantee-block p{font-family:var(--main-font);font-weight:600;font-size:13px;color:#fff;line-height:1.4;text-transform:uppercase;letter-spacing:.05em}
.guarantee-block span{display:block;font-family:var(--alt-font);font-weight:400;font-size:11.5px;color:rgba(255,255,255,.55);margin-top:3px;text-transform:none}

.features-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.feature-item{background:#fff;border:1px solid var(--border-color);border-left:4px solid var(--primary-color);padding:.65rem .85rem;display:flex;align-items:center;gap:.7rem;transition:border-color .2s,background .2s}
.feature-item:hover{border-left-color:var(--accent-color);background:var(--light-color)}
.feature-icon-wrap{width:42px;height:42px;background:var(--light-color);border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-color)}
.feature-icon-wrap svg{width:20px;height:20px;color:var(--primary-color)}
.feature-item span{font-family:var(--alt-font);font-size:12.5px;font-weight:600;color:var(--text-color);line-height:1.3}

.btn-cart{display:flex;align-items:center;justify-content:center;gap:.55rem;width:100%;min-height:48px;padding:.9rem 1.5rem;background:var(--accent-color);color:#fff;font-family:var(--main-font);font-weight:700;font-size:15px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;border:3px solid var(--accent-color);transition:background .2s,color .2s}
.btn-cart:hover{background:transparent;color:var(--accent-color)}
.btn-cart svg{width:18px;height:18px}

/* RIGHT */
.right-col{background:var(--background-color);padding:2rem 1.5rem;display:flex;flex-direction:column;gap:1rem}
@media(min-width:768px){.right-col{padding:2rem 1.75rem}}

.product-eyebrow{font-family:var(--main-font);font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent-color)}
.right-col h2{font-family:var(--main-font);font-weight:700;font-size:clamp(22px,4.5vw,36px);color:var(--dark-color);line-height:1.1;letter-spacing:.04em;text-transform:uppercase}
.right-col h2 em{font-style:normal;color:var(--primary-color)}
.product-description{font-family:var(--alt-font);font-size:clamp(13px,3.8vw,14px);line-height:1.8;color:rgba(12,24,36,.76)}
.cta-highlight{background:var(--primary-color);border-left:6px solid var(--accent-color);padding:1.1rem 1.3rem}
.cta-highlight strong{display:block;font-family:var(--main-font);font-weight:700;font-size:clamp(14px,4vw,18px);color:#fff;line-height:1.3;text-transform:uppercase;letter-spacing:.04em}
.cta-highlight strong em{font-style:normal;color:var(--accent-color)}

/* BAND */
.benefits-band{background:var(--dark-color);padding:2.5rem 0}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 1.5rem}
.band-header{text-align:center;margin-bottom:1.5rem}
.band-header h2{font-family:var(--main-font);font-weight:700;font-size:clamp(18px,4vw,26px);color:#fff;letter-spacing:.08em;text-transform:uppercase}
.band-header h2 em{font-style:normal;color:var(--accent-color)}
.band-header p{font-family:var(--alt-font);font-size:12.5px;color:rgba(255,255,255,.45);margin-top:.35rem}
.benefits-grid{display:grid;grid-template-columns:1fr;gap:.85rem}
@media(min-width:580px){.benefits-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.benefits-grid{grid-template-columns:repeat(4,1fr)}}
.benefit-card{background:rgba(255,255,255,.05);border:1px solid rgba(231,76,60,.2);border-top:3px solid var(--accent-color);padding:1.1rem 1rem;transition:background .2s}
.benefit-card:hover{background:rgba(255,255,255,.08)}
.benefit-icon{width:46px;height:46px;background:rgba(231,76,60,.1);border:1px solid rgba(231,76,60,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.7rem}
.benefit-icon svg{width:22px;height:22px;color:var(--accent-color)}
.benefit-card h3{font-family:var(--main-font);font-weight:700;font-size:12.5px;color:#fff;margin-bottom:.3rem;letter-spacing:.06em;text-transform:uppercase}
.benefit-card p{font-family:var(--alt-font);font-size:11.5px;color:rgba(255,255,255,.52);line-height:1.55}

/* TESTIMONIALS */
.testimonials-section{background:var(--light-color);padding:2.5rem 0;border-top:4px solid var(--primary-color)}
.section-title{text-align:center;margin-bottom:1.5rem}
.section-title h2{font-family:var(--main-font);font-weight:700;font-size:clamp(17px,4vw,24px);color:var(--dark-color);letter-spacing:.08em;text-transform:uppercase}
.section-title-bar{width:40px;height:4px;background:var(--accent-color);margin:.5rem auto 0}
.testimonials-grid{display:grid;grid-template-columns:1fr;gap:.85rem}
@media(min-width:768px){.testimonials-grid{grid-template-columns:repeat(2,1fr)}}
.testimonial-card{background:#fff;border:1px solid var(--border-color);border-top:4px solid var(--primary-color);padding:1.2rem;position:relative;overflow:hidden}
.testimonial-card::after{content:'"';position:absolute;bottom:-.5rem;right:.8rem;font-size:60px;font-family:Georgia,serif;color:var(--light-color);line-height:1;pointer-events:none}
.t-header{display:flex;align-items:center;gap:.65rem;margin-bottom:.5rem}
.t-avatar{width:40px;height:40px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--main-font);font-weight:700;font-size:12px;color:#fff;border-radius:50%;letter-spacing:.04em}
.t-name{font-family:var(--main-font);font-weight:700;font-size:13px;color:var(--dark-color);text-transform:uppercase;letter-spacing:.04em}
.t-loc{font-family:var(--alt-font);font-size:11px;color:var(--accent-color)}
.t-stars{display:flex;gap:2px;margin-bottom:.45rem}
.t-stars svg{width:13px;height:13px;fill:var(--accent-color)}
.t-text{font-family:var(--alt-font);font-size:12.5px;color:rgba(12,24,36,.73);line-height:1.65;font-style:italic;position:relative;z-index:1}

/* FOOTER */
.site-footer{background:var(--dark-color);border-top:4px solid var(--accent-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}}
.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:17px;color:#fff;letter-spacing:.12em;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:.55rem 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%}