/* ============================================================
   ECHOXEN — css/style.css
   Domain: echoxenusa.us
   Theme: Midnight Navy #0B1F40 + Cyan #00A8CC + Warm Off-White
   Product bottle colours preserved (navy base + cyan wave)
   vs Site 1: Navy+Cyan / light-blue bg / split hero / ingredient grid
   vs Site 2: Green+Gold / cream bg / split hero / before-after cards
   This site:
   Navbar:   White bg + cyan LEFT border on logo (unique)
   Hero:     Dark full-width centred + product image below (unique)
   Sections: Warm off-white bg (#FAF9F6) instead of light blue or cream
   Signature: 4-step numbered mechanism timeline (unique)
   Buttons:  Cyan fill → navy (same product accent, different layout)
   GSC:      price + shippingDetails included from day 1
   Font: Jost (Google Fonts)
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:        #0B1F40;
  --navy-dark:   #071530;
  --navy-mid:    #142D58;
  --navy-light:  #EBF0FA;
  --navy-pale:   #F3F6FC;
  --cyan:        #00A8CC;
  --cyan-dark:   #007A99;
  --cyan-mid:    #00BFE8;
  --cyan-light:  #D9F4FB;
  --cyan-pale:   #EEF9FD;
  --off-white:   #FAF9F6;
  --warm-white:  #FFFFFF;
  --warm-grey:   #F0EDE8;
  --stone:       #E8E4DE;
  --text:        #0B1F40;
  --muted:       #4A5568;
  --border:      #D8E4F0;
  --border-light:#E8EFF8;
  --radius:      8px;
  --radius-card: 14px;
  --radius-btn:  6px;
  --shadow:      0 4px 24px rgba(11,31,64,0.09);
  --shadow-h:    0 16px 48px rgba(0,168,204,0.20);
  --shadow-card: 0 2px 16px rgba(11,31,64,0.07);
}

html{scroll-behavior:smooth}
body{font-family:'Jost',sans-serif;font-size:18px;color:var(--text);background:var(--off-white);overflow-x:hidden;line-height:1.75}

/* NAVBAR — White bg + cyan logo left border (unique vs both) */
nav{position:sticky;top:0;z-index:1000;background:var(--warm-white);padding:0 24px;height:72px;box-shadow:0 2px 20px rgba(11,31,64,0.10);border-bottom:1px solid var(--border-light)}
.nav-inner{max-width:1200px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.nav-logo{font-family:'Jost',sans-serif;font-size:1.7rem;font-weight:900;color:var(--navy);text-decoration:none;letter-spacing:2px;text-transform:uppercase;flex-shrink:0;line-height:1;border-left:4px solid var(--cyan);padding-left:12px}
.nav-logo span{color:var(--cyan-dark)}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.nav-links li{display:flex;align-items:center;margin:0;padding:0}
.nav-links a{color:var(--muted);text-decoration:none;font-family:'Jost',sans-serif;font-size:0.92rem;font-weight:500;transition:color 0.2s;white-space:nowrap}
.nav-links a:hover{color:var(--cyan-dark)}
.btn-nav-order{background:var(--cyan)!important;color:var(--warm-white)!important;font-weight:800!important;font-size:0.87rem!important;padding:9px 22px!important;border-radius:var(--radius-btn)!important;border:none!important;transition:all 0.22s!important;text-decoration:none;line-height:1;box-shadow:0 2px 12px rgba(0,168,204,0.42)!important}
.btn-nav-order:hover{background:var(--navy)!important;box-shadow:0 4px 18px rgba(11,31,64,0.40)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;flex-shrink:0}
.hamburger span{width:25px;height:2px;background:var(--navy);display:block;border-radius:2px}
.mobile-menu{display:none;flex-direction:column;background:var(--warm-white);position:absolute;top:72px;left:0;right:0;padding:24px 32px;gap:18px;z-index:999;border-bottom:3px solid var(--cyan);box-shadow:0 8px 24px rgba(11,31,64,0.12)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--text);text-decoration:none;font-size:1rem;font-weight:500}
.mobile-menu .btn-mob-order{background:var(--cyan);color:var(--warm-white);text-align:center;padding:12px;border-radius:var(--radius-btn);font-weight:800;margin-top:6px}

/* BUTTONS */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;background:var(--cyan);color:var(--warm-white);font-family:'Jost',sans-serif;font-weight:800;font-size:1rem;padding:15px 36px;border-radius:var(--radius-btn);border:none;text-decoration:none;transition:all 0.22s;box-shadow:0 4px 18px rgba(0,168,204,0.42);line-height:1.2}
.btn-primary:hover{background:var(--navy);box-shadow:0 6px 24px rgba(11,31,64,0.40);transform:translateY(-2px)}
.btn-outline-white{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--warm-white);font-family:'Jost',sans-serif;font-weight:700;font-size:0.97rem;padding:13px 28px;border-radius:var(--radius-btn);border:2px solid rgba(255,255,255,0.55);text-decoration:none;transition:all 0.22s}
.btn-outline-white:hover{background:rgba(255,255,255,0.12);border-color:var(--warm-white);transform:translateY(-2px)}
.btn-outline-dark{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--navy);font-family:'Jost',sans-serif;font-weight:700;font-size:0.97rem;padding:13px 28px;border-radius:var(--radius-btn);border:2px solid var(--navy);text-decoration:none;transition:all 0.22s}
.btn-outline-dark:hover{background:var(--navy);color:var(--warm-white);transform:translateY(-2px)}

/* HERO — Dark full-width centred + image below (unique vs both sites) */
.hero{background:var(--navy);padding:80px 48px 0;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,rgba(0,168,204,0.12) 0%,transparent 65%)}
.hero-inner{max-width:860px;margin:0 auto;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,168,204,0.15);color:var(--cyan-mid);font-family:'Jost',sans-serif;font-size:0.72rem;font-weight:800;text-transform:uppercase;letter-spacing:2.5px;padding:6px 18px;border:1px solid rgba(0,168,204,0.35);border-radius:2px;margin-bottom:26px}
.hero h1{font-family:'Jost',sans-serif;font-size:3rem;font-weight:900;line-height:1.06;color:var(--warm-white);letter-spacing:-0.8px;margin-bottom:22px}
.hero h1 .h1-cyan{color:var(--cyan-mid)}
.hero-desc{font-size:1.08rem;line-height:1.80;color:rgba(255,255,255,0.74);max-width:720px;margin:0 auto 32px}
.hero-desc strong{color:var(--warm-white)}
.hero-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:34px}
.hero-pill{background:rgba(255,255,255,0.07);color:rgba(255,255,255,0.80);font-family:'Jost',sans-serif;font-size:0.78rem;font-weight:700;padding:5px 16px;border-radius:2px;border:1px solid rgba(255,255,255,0.15);letter-spacing:0.4px;text-transform:uppercase}
.hero-pill.cyan{background:rgba(0,168,204,0.15);border-color:rgba(0,168,204,0.40);color:var(--cyan-mid)}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:56px}
.hero-img-floor{max-width:580px;margin:0 auto;position:relative;z-index:1}
.hero-img-floor a img{width:100%;height:auto;max-height:420px;object-fit:contain;filter:drop-shadow(0 -8px 50px rgba(0,168,204,0.18));display:block;transition:transform 0.5s}
.hero-img-floor a:hover img{transform:scale(1.03)}

/* TRUST STRIP */
.trust-strip{background:var(--navy-mid);padding:14px 48px;display:flex;flex-wrap:wrap;justify-content:center;border-bottom:3px solid var(--cyan)}
.tstat{display:flex;flex-direction:column;align-items:center;padding:6px 28px;border-right:1px solid rgba(255,255,255,0.12)}
.tstat:last-child{border-right:none}
.tstat-num{font-family:'Jost',sans-serif;font-size:1.4rem;font-weight:900;color:var(--cyan-mid);line-height:1}
.tstat-label{font-size:0.67rem;font-weight:700;color:rgba(255,255,255,0.55);text-transform:uppercase;letter-spacing:0.8px;margin-top:3px}

/* SECTION BANDS */
.sec-title-band{background:var(--navy);padding:52px 40px 44px;text-align:center}
.sec-title-band h2{font-family:'Jost',sans-serif;font-size:2rem;font-weight:900;color:var(--warm-white);line-height:1.22;display:inline-block;padding-bottom:18px;position:relative;letter-spacing:-0.3px}
.sec-title-band h2::after{content:'';display:block;width:64px;height:4px;background:var(--cyan);position:absolute;bottom:0;left:50%;transform:translateX(-50%);border-radius:2px}
.sec-title-band h2 span.hl{color:var(--cyan-mid)}
.sec-title-band p.sec-sub{font-size:1rem;color:rgba(255,255,255,0.62);max-width:620px;margin:16px auto 0;line-height:1.75}

/* REVIEWS */
.reviews-section{background:var(--warm-grey);padding:70px 48px}
.reviews-grid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.review-card{background:var(--warm-white);border:1px solid var(--border-light);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-card);transition:box-shadow 0.3s,transform 0.3s;border-left:4px solid var(--cyan)}
.review-card:hover{box-shadow:var(--shadow-h);transform:translateY(-5px)}
.reviewer-photo-wrap{width:100%;height:200px;overflow:hidden;background:var(--cyan-pale);display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative}
.reviewer-photo{width:100%;height:100%;object-fit:contain;background:var(--cyan-pale);transition:transform 0.4s ease}
.review-card:hover .reviewer-photo{transform:scale(1.03)}
.reviewer-photo.img-error{opacity:0;position:absolute}
.reviewer-photo-wrap.img-broken::after{content:"👂";font-size:3.5rem;opacity:0.20;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}
.review-card-body{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column}
.review-stars{height:22px;margin:0 auto 10px;display:block;object-fit:contain}
.review-badge{font-size:0.82rem;font-weight:700;color:var(--cyan-dark);margin-bottom:12px;text-transform:uppercase;letter-spacing:0.5px}
.review-text{font-size:0.97rem;line-height:1.78;color:var(--muted);font-style:italic;flex:1}
.reviewer-name{margin-top:16px;font-weight:700;color:var(--navy);font-size:0.9rem;padding-top:12px;border-top:1px solid var(--border-light)}

/* PROSE */
.what-is-section{background:var(--off-white);padding:70px 48px}
.what-is-inner{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:60px}
.what-is-img-wrap img{width:100%;max-width:420px;height:auto;object-fit:contain;filter:drop-shadow(0 10px 34px rgba(11,31,64,0.14));display:block}
.what-is-text p{font-size:1.05rem;line-height:1.85;color:var(--muted);margin-bottom:18px}
.what-is-text p strong{color:var(--text)}
.why-section{background:var(--warm-white);padding:70px 48px}
.section-prose{max-width:900px;margin:0 auto}
.section-prose p{font-size:1.05rem;line-height:1.85;color:var(--muted);margin-bottom:18px}
.section-prose p strong{color:var(--text)}

/* 4-STEP MECHANISM TIMELINE — UNIQUE SIGNATURE SECTION */
.mechanism-section{background:var(--navy);padding:70px 48px}
.mechanism-inner{max-width:1060px;margin:0 auto}
.mech-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mech-step{background:rgba(255,255,255,0.06);border:1px solid rgba(0,168,204,0.22);border-radius:var(--radius-card);padding:30px 26px;display:flex;flex-direction:column;gap:14px;transition:background 0.25s,box-shadow 0.3s;position:relative;overflow:hidden}
.mech-step:hover{background:rgba(255,255,255,0.10);box-shadow:0 8px 28px rgba(0,168,204,0.22)}
.mech-step::before{content:attr(data-step);position:absolute;top:-10px;right:16px;font-family:'Jost',sans-serif;font-size:5rem;font-weight:900;color:rgba(0,168,204,0.08);line-height:1;pointer-events:none}
.mech-num{width:44px;height:44px;background:var(--cyan);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Jost',sans-serif;font-size:1rem;font-weight:900;color:var(--warm-white);flex-shrink:0}
.mech-step h3{font-family:'Jost',sans-serif;font-size:0.9rem;font-weight:900;color:var(--cyan-mid);text-transform:uppercase;letter-spacing:0.5px;margin:0}
.mech-step p{font-size:0.96rem;line-height:1.74;color:rgba(255,255,255,0.76);margin:0}

/* PRICING BAND */
.pricing-band{background:var(--navy-mid);padding:44px 40px 14px;text-align:center;border-top:3px solid var(--cyan)}
.pricing-band h3{font-family:'Jost',sans-serif;font-size:1.8rem;font-weight:900;color:var(--warm-white);margin-bottom:8px}
.pricing-band h3 span.hl{color:var(--cyan-mid)}
.pricing-band h4{font-size:1rem;font-weight:400;color:rgba(255,255,255,0.62)}

/* PRICE IMAGE */
.price-img-section{background:var(--warm-grey);padding:48px;text-align:center}
.price-img-section a img{max-width:900px;width:100%;height:auto;border-radius:var(--radius);transition:transform 0.3s;box-shadow:var(--shadow);border:1px solid var(--border-light)}
.price-img-section a:hover img{transform:scale(1.01)}

/* SYMPTOM CARDS — 2-col grid on off-white */
.symptom-section{background:var(--off-white);padding:70px 48px}
.symptom-grid{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.symptom-card{background:var(--warm-white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:24px 22px;display:flex;gap:18px;align-items:flex-start;box-shadow:var(--shadow-card);transition:box-shadow 0.3s,transform 0.25s;border-top:3px solid var(--navy)}
.symptom-card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.sc-icon{min-width:50px;width:50px;height:50px;background:var(--navy-pale);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}
.sc-text h3{font-family:'Jost',sans-serif;font-size:0.88rem;font-weight:900;color:var(--navy);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:7px}
.sc-text p{font-size:0.96rem;line-height:1.73;color:var(--muted);margin:0}

/* GUARANTEE */
.guarantee-section{background:var(--cyan-pale);padding:70px 48px;border-top:1px solid var(--border)}
.guarantee-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:260px 1fr;align-items:center;gap:60px}
.guarantee-img-wrap{display:flex;justify-content:center}
.guarantee-img-wrap img{width:100%;max-width:260px;height:auto;object-fit:contain;display:block;filter:drop-shadow(0 8px 20px rgba(11,31,64,0.12))}
.guarantee-text p{font-size:1.05rem;line-height:1.85;color:var(--muted);margin-bottom:18px}
.guarantee-text p strong{color:var(--text)}

/* FAQs */
.faq-section{background:var(--warm-white);padding:70px 48px}
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--off-white);border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-question{width:100%;background:none;border:none;text-align:left;padding:18px 24px;font-family:'Jost',sans-serif;font-size:1.02rem;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:background 0.2s;line-height:1.4}
.faq-question:hover{background:var(--cyan-pale)}
.faq-arrow{font-size:0.9rem;transition:transform 0.3s;color:var(--cyan-dark);flex-shrink:0}
.faq-answer{display:none;padding:16px 24px 20px;font-size:1rem;line-height:1.8;color:var(--muted);border-top:1px solid var(--border-light)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-arrow{transform:rotate(180deg)}

/* ORDER */
.order-how-section{background:var(--off-white);padding:70px 48px}
.order-how-inner{max-width:900px;margin:0 auto}
.order-how-inner p{font-size:1.05rem;line-height:1.85;color:var(--muted);margin-bottom:18px}
.order-how-inner p strong{color:var(--text)}
.order-img-wrap{text-align:center;margin-top:36px}
.order-img-wrap a img{max-width:900px;width:100%;height:auto;border-radius:var(--radius);transition:transform 0.3s;box-shadow:var(--shadow);border:1px solid var(--border-light)}
.order-img-wrap a:hover img{transform:scale(1.01)}

/* INFO BLOCKS */
.pricing-details{background:var(--warm-grey);padding:48px}
.pricing-details-inner{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.info-block{background:var(--warm-white);border:1px solid var(--border-light);border-radius:var(--radius);padding:22px 26px;border-left:5px solid var(--cyan);box-shadow:var(--shadow-card)}
.info-block h4{font-family:'Jost',sans-serif;font-size:1rem;font-weight:800;color:var(--navy);margin-bottom:10px}
.info-block p,.info-block li{font-size:1rem;line-height:1.8;color:var(--muted)}
.info-block ul{list-style:none;padding:0;margin:0}
.info-block ul li{padding:4px 0}
.info-block ul li::before{content:"✔ ";color:var(--cyan-dark);font-weight:700}

/* FINAL CTA */
.cta-final{background:var(--navy-dark);padding:80px 48px;text-align:center;border-top:3px solid var(--cyan);background-image:radial-gradient(ellipse at 50% 0%,rgba(0,168,204,0.12) 0%,transparent 60%)}
.cta-final h2{font-family:'Jost',sans-serif;font-size:2.1rem;font-weight:900;color:var(--warm-white);margin-bottom:36px;line-height:1.18;letter-spacing:-0.3px}
.cta-final h2 span.hl{color:var(--cyan-mid)}
.cta-product-img{max-width:380px;margin:0 auto 28px}
.cta-product-img a img{width:100%;height:auto;filter:drop-shadow(0 14px 44px rgba(0,168,204,0.22));transition:transform 0.4s}
.cta-product-img a:hover img{transform:scale(1.04)}
.cta-regular-price{font-size:1.1rem;color:rgba(255,255,255,0.35);text-decoration:line-through;display:block;margin-bottom:6px}
.cta-current-price{font-family:'Jost',sans-serif;font-size:2.8rem;font-weight:900;color:var(--cyan-mid);display:block;margin-bottom:28px;letter-spacing:-1px}

/* FOOTER */
footer{background:#040D1A;padding:48px 48px 30px;border-top:3px solid var(--cyan)}
.footer-cols{max-width:1160px;margin:0 auto 28px;display:flex;flex-wrap:wrap;justify-content:center}
.footer-cols a{color:rgba(255,255,255,0.42);text-decoration:none;font-size:0.88rem;font-weight:500;transition:color 0.2s;padding:5px 16px;border-right:1px solid rgba(255,255,255,0.08);white-space:nowrap}
.footer-cols a:last-child{border-right:none}
.footer-cols a:hover{color:var(--cyan-mid)}
.footer-legal{max-width:1160px;margin:0 auto;border-top:1px solid rgba(255,255,255,0.07);padding-top:22px}
.footer-legal p{font-size:0.85rem;color:rgba(255,255,255,0.28);line-height:1.75;margin-bottom:10px}
.footer-copy{text-align:center;font-size:0.85rem;color:rgba(255,255,255,0.20);margin-top:14px}
.footer-copy a{color:rgba(255,255,255,0.38);text-decoration:none}
.footer-copy a:hover{color:var(--cyan-mid)}

/* FADE */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity 0.65s ease,transform 0.65s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:1024px){.hero h1{font-size:2.4rem}.what-is-inner{grid-template-columns:1fr 1.1fr;gap:40px}.mech-steps{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.reviews-grid{grid-template-columns:1fr 1fr}.what-is-inner{grid-template-columns:1fr}.guarantee-inner{grid-template-columns:1fr;text-align:center}.guarantee-img-wrap{justify-content:center}.mech-steps{grid-template-columns:1fr}.symptom-grid{grid-template-columns:1fr}}
@media(max-width:640px){nav{padding:0 18px}.nav-links{display:none}.hamburger{display:flex}.trust-strip{flex-direction:column;align-items:center;padding:14px 20px}.tstat{border-right:none}.hero{padding:56px 20px 0}.hero h1{font-size:1.9rem}.sec-title-band{padding:40px 20px 34px}.sec-title-band h2{font-size:1.55rem}.reviews-grid{grid-template-columns:1fr}.reviews-section,.what-is-section,.why-section,.mechanism-section,.symptom-section,.guarantee-section,.faq-section,.order-how-section{padding:44px 20px}.price-img-section,.pricing-details{padding:28px 16px}.cta-final{padding:56px 20px}.cta-final h2{font-size:1.6rem}.cta-current-price{font-size:2rem}footer{padding:36px 20px 24px}.footer-cols a{border-right:none;padding:4px 10px}}