/* ============================================================
   SONUS COMPLETE — css/style.css | sonuscompleteusa.com
   Design: Deep Navy #0a1628 + Rich Gold #d4a017 + White
   Theme: Tinnitus Relief / Brain Health — Sound Wave Motif
   Layout: Split hero text-LEFT image-RIGHT, SVG sound wave,
           gold trust strip, ingredient pills grid, dark reviews,
           3-col pricing cards, split guarantee
   Custom Jost CSS — Zero Bootstrap
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:       #0a1628;
  --navy-mid:   #112040;
  --navy-lgt:   #1a3060;
  --gold:       #d4a017;
  --gold-dk:    #b8880f;
  --gold-lgt:   #e8b832;
  --gold-pale:  #fdf6e3;
  --gold-xpale: #fffbf0;
  --white:      #ffffff;
  --off:        #f8f9fc;
  --near:       #f4f6fa;
  --silver:     #94a3b8;
  --silver-lgt: #e2e8f0;
  --muted:      #64748b;
  --text:       #0a1628;
  --border:     #f0d98a;
  --border-lt:  #e2e8f0;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-pill:50px;
  --sh-sm:      0 2px 12px rgba(0,0,0,.07);
  --sh:         0 4px 24px rgba(0,0,0,.11);
  --sh-h:       0 12px 40px rgba(0,0,0,.18);
  --sh-gold:    0 4px 20px rgba(212,160,23,.35);
  --sh-navy:    0 4px 20px rgba(10,22,40,.28);
}
html{scroll-behavior:smooth}
body{font-family:'Jost',sans-serif;font-size:18px;color:var(--text);
  background:var(--white);overflow-x:hidden;line-height:1.75}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;height:auto;display:block}

/* NAV */
nav{position:sticky;top:0;z-index:1000;background:var(--navy);
  height:72px;padding:0 32px;box-shadow:0 2px 20px rgba(0,0,0,.55);
  border-bottom:3px solid var(--gold)}
.nav-inner{max-width:1200px;margin:0 auto;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{font-family:'Jost',sans-serif;font-size:1.5rem;font-weight:900;
  color:var(--white);letter-spacing:1px;text-transform:uppercase;
  text-decoration:none;flex-shrink:0;display:flex;align-items:center;gap:10px}
.nav-logo-icon{width:36px;height:36px;border-radius:8px;background:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.nav-logo .hl{color:var(--gold-lgt)}
.nav-links{display:flex;align-items:center;gap:22px;list-style:none}
.nav-links a{color:rgba(255,255,255,.55);font-size:.90rem;font-weight:500;white-space:nowrap;transition:color .2s}
.nav-links a:hover{color:var(--gold-lgt)}
.btn-nav{background:var(--gold)!important;color:var(--navy)!important;
  font-weight:900!important;font-size:.86rem!important;padding:10px 20px!important;
  border-radius:var(--radius-pill)!important;text-transform:uppercase;
  box-shadow:var(--sh-gold)!important;transition:filter .2s!important;border:none!important}
.btn-nav:hover{filter:brightness(1.10)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{width:26px;height:2px;background:rgba(255,255,255,.65);display:block;border-radius:2px}
.mobile-menu{display:none;flex-direction:column;background:var(--navy-mid);
  position:absolute;top:72px;left:0;right:0;padding:24px 32px;gap:16px;z-index:999;
  border-bottom:2px solid var(--gold)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:rgba(255,255,255,.70);font-size:1rem;font-weight:500}
.mobile-menu .btn-mob{background:var(--gold);color:var(--navy);text-align:center;
  padding:13px;border-radius:var(--radius-pill);font-weight:900;margin-top:4px;text-transform:uppercase}

/* BUTTONS */
.btn-gold{display:inline-block;background:var(--gold);color:var(--navy);
  font-family:'Jost',sans-serif;font-weight:900;font-size:1.05rem;
  text-transform:uppercase;padding:15px 38px;border-radius:var(--radius-pill);
  text-decoration:none;transition:filter .2s,transform .15s;box-shadow:var(--sh-gold);letter-spacing:.5px}
.btn-gold:hover{filter:brightness(1.10);transform:translateY(-2px)}
.btn-outline-g{display:inline-block;background:transparent;color:var(--gold);
  font-family:'Jost',sans-serif;font-weight:700;font-size:1rem;text-transform:uppercase;
  padding:13px 32px;border-radius:var(--radius-pill);border:2px solid var(--gold);
  text-decoration:none;transition:all .2s}
.btn-outline-g:hover{background:var(--gold);color:var(--navy)}
.btn-outline-w{display:inline-block;background:transparent;color:rgba(255,255,255,.75);
  font-family:'Jost',sans-serif;font-weight:700;font-size:1rem;text-transform:uppercase;
  padding:13px 32px;border-radius:var(--radius-pill);border:2px solid rgba(255,255,255,.25);
  text-decoration:none;transition:all .2s}
.btn-outline-w:hover{border-color:var(--gold-lgt);color:var(--gold-lgt)}

/* SECTION BANDS */
.sec-band{padding:52px 40px 44px;text-align:center}
.sec-band h2{font-family:'Jost',sans-serif;font-size:2.3rem;font-weight:900;line-height:1.2}
.sec-band p.sub{font-size:1rem;margin-top:10px}
.navy-band{background:var(--navy);border-top:3px solid var(--gold);border-bottom:3px solid var(--gold)}
.navy-band h2{color:var(--white)}.navy-band .hl{color:var(--gold-lgt)}.navy-band p.sub{color:rgba(255,255,255,.45)}
.gold-band{background:var(--gold);border-top:3px solid var(--gold-dk);border-bottom:3px solid var(--gold-dk)}
.gold-band h2{color:var(--navy)}.gold-band p.sub{color:rgba(10,22,40,.65)}
.white-band{background:var(--white);border-top:2px solid var(--silver-lgt);border-bottom:2px solid var(--silver-lgt)}
.white-band h2{color:var(--text)}.white-band .hl{color:var(--gold-dk)}.white-band p.sub{color:var(--muted)}
.off-band{background:var(--off);border-top:2px solid var(--silver-lgt);border-bottom:2px solid var(--silver-lgt)}
.off-band h2{color:var(--text)}.off-band .hl{color:var(--gold-dk)}.off-band p.sub{color:var(--muted)}

/* HERO */
.hero{background:var(--navy);overflow:hidden;position:relative;padding:0}
.hero::before{content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(212,160,23,.055) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none}
.hero-glow{position:absolute;right:8%;top:50%;transform:translateY(-50%);
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(212,160,23,.18) 0%,transparent 65%);pointer-events:none}
.hero-wave{position:absolute;bottom:-2px;left:0;right:0;line-height:0;pointer-events:none}
.hero-inner{max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;
  align-items:center;min-height:660px;
  position:relative;z-index:1;padding-bottom:90px}
.hero-text{padding:64px 32px 64px 48px;display:flex;flex-direction:column;gap:20px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;
  background:rgba(212,160,23,.12);border:1px solid rgba(212,160,23,.30);
  border-radius:var(--radius-pill);padding:6px 18px;
  font-size:.72rem;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--gold-lgt);width:fit-content}
.eye-dot{width:7px;height:7px;border-radius:50%;background:var(--gold-lgt);
  animation:blink-g 1.6s ease-in-out infinite}
@keyframes blink-g{0%,100%{opacity:1}50%{opacity:.15}}
.hero-h1{font-family:'Jost',sans-serif;font-size:3.0rem;font-weight:900;
  color:var(--white);line-height:1.06;letter-spacing:-.5px}
.hero-h1 .hl{color:var(--gold-lgt)}
.hero-desc{font-size:1.05rem;line-height:1.80;color:rgba(255,255,255,.60);max-width:480px}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px}
.hpill{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-pill);
  padding:7px 14px;font-size:.78rem;font-weight:700}
.hpill.gp{background:rgba(212,160,23,.12);border:1px solid rgba(212,160,23,.28);color:var(--gold-lgt)}
.hpill.wp{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.65)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero-note{font-size:.79rem;color:rgba(255,255,255,.30)}
.hero-note strong{color:var(--gold-lgt)}
.hero-img{display:flex;justify-content:center;align-items:center;
  padding:48px 48px 48px 16px;position:relative;z-index:1}
.hero-img a img{max-height:520px;width:auto;object-fit:contain;
  filter:drop-shadow(0 0 40px rgba(212,160,23,.25)) drop-shadow(0 20px 50px rgba(0,0,0,.70));
  transition:transform .6s ease;display:block;margin:0 auto}
.hero-img a:hover img{transform:scale(1.04) translateY(-10px)}

/* TRUST STRIP */
.trust-strip{background:var(--gold);padding:13px 32px;
  display:flex;flex-wrap:wrap;justify-content:center;gap:4px 28px}
.trust-strip span{color:var(--navy);font-size:.84rem;font-weight:800;
  display:flex;align-items:center;gap:6px;white-space:nowrap;text-transform:uppercase}
.trust-strip span::before{content:'✦';font-size:.65rem}

/* ABOUT */
.about-section{background:var(--white);padding:72px 48px}
.about-inner{max-width:1160px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1.4fr;align-items:center;gap:60px}
.about-img img{width:100%;max-width:420px;height:auto;object-fit:contain;
  border-radius:var(--radius-xl);filter:drop-shadow(0 8px 28px rgba(212,160,23,.18));margin:0 auto}
.about-label{display:inline-block;background:var(--gold);color:var(--navy);
  font-size:.70rem;font-weight:800;text-transform:uppercase;letter-spacing:2px;
  padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:14px}
.about-text h3{font-family:'Jost',sans-serif;font-size:2rem;font-weight:900;
  color:var(--text);margin-bottom:16px;line-height:1.2}
.about-text h3 span{color:var(--gold-dk)}
.about-text p{font-size:1.03rem;line-height:1.85;color:var(--muted);margin-bottom:14px}

/* HIW 3 STEPS */
.hiw-section{background:var(--off);padding:72px 48px}
.hiw-steps{max-width:1100px;margin:0 auto;display:grid;
  grid-template-columns:repeat(3,1fr);gap:28px}
.hiw-card{background:var(--white);border:1px solid var(--border-lt);
  border-radius:var(--radius-xl);padding:36px 24px;text-align:center;
  position:relative;overflow:hidden;transition:box-shadow .3s,transform .3s}
.hiw-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gold)}
.hiw-card:hover{box-shadow:var(--sh-h);transform:translateY(-6px)}
.hiw-num{width:64px;height:64px;border-radius:50%;background:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-family:'Jost',sans-serif;font-size:1.6rem;font-weight:900;color:var(--navy);
  margin:0 auto 16px;box-shadow:var(--sh-gold)}
.hiw-icon{font-size:2rem;display:block;margin-bottom:12px}
.hiw-title{font-family:'Jost',sans-serif;font-size:1.05rem;font-weight:800;
  color:var(--text);margin-bottom:8px}
.hiw-card p{font-size:.92rem;line-height:1.68;color:var(--muted)}

/* INGREDIENT PILLS */
.ing-section{background:var(--white);padding:72px 48px}
.ing-intro{max-width:800px;margin:0 auto 40px;text-align:center;
  font-size:1.03rem;line-height:1.85;color:var(--muted)}
.ing-grid{max-width:1100px;margin:0 auto;display:grid;
  grid-template-columns:repeat(2,1fr);gap:18px}
.ing-item{background:var(--gold-xpale);border:1.5px solid var(--border);
  border-radius:var(--radius-lg);padding:20px 22px;
  display:flex;align-items:flex-start;gap:16px;
  transition:box-shadow .3s,border-color .3s}
.ing-item:hover{box-shadow:var(--sh-gold);border-color:var(--gold)}
.ing-num{width:42px;height:42px;border-radius:50%;background:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-family:'Jost',sans-serif;font-size:.95rem;font-weight:900;
  color:var(--navy);flex-shrink:0;box-shadow:var(--sh-gold)}
.ing-name{font-family:'Jost',sans-serif;font-size:1rem;font-weight:800;
  color:var(--text);margin-bottom:4px}
.ing-desc{font-size:.88rem;line-height:1.60;color:var(--muted);margin:0}
.ing-img-wrap{max-width:900px;margin:40px auto 0;text-align:center}
.ing-img-wrap img{width:100%;height:auto;object-fit:contain;
  border-radius:var(--radius-lg);box-shadow:var(--sh);margin:0 auto}

/* ORDER IMG */
.order-img-section{background:var(--gold-pale);padding:56px 48px;text-align:center;
  border-top:2px solid var(--border);border-bottom:2px solid var(--border)}
.order-img-section a{display:block;margin:0 auto;max-width:900px}
.order-img-section a img{width:100%;height:auto;object-fit:contain;
  border-radius:var(--radius-lg);box-shadow:var(--sh-gold);transition:transform .3s;margin:0 auto}
.order-img-section a:hover img{transform:scale(1.01)}

/* FEATURES DARK */
.feat-section{background:var(--navy);padding:72px 48px}
.feat-grid{max-width:1100px;margin:0 auto;display:grid;
  grid-template-columns:repeat(3,1fr);gap:20px}
.feat-card{background:rgba(255,255,255,.05);border:1px solid rgba(212,160,23,.14);
  border-top:3px solid var(--gold);border-radius:var(--radius-xl);padding:30px 22px;
  text-align:center;transition:background .3s,transform .3s}
.feat-card:hover{background:rgba(212,160,23,.08);transform:translateY(-4px)}
.fc-icon{font-size:2rem;display:block;margin-bottom:14px}
.fc-title{font-family:'Jost',sans-serif;font-size:1rem;font-weight:800;color:var(--white);margin-bottom:8px}
.fc-desc{font-size:.88rem;line-height:1.66;color:rgba(255,255,255,.52)}

/* PRICING 3-COL */
.pricing-section{background:var(--off);padding:56px 48px;text-align:center}
.pricing-grid{max-width:1100px;margin:0 auto;display:grid;
  grid-template-columns:repeat(3,1fr);gap:20px}
.pricing-card{transition:transform .3s,box-shadow .3s}
.pricing-card:hover{transform:translateY(-8px);box-shadow:var(--sh-h)}
.pricing-card a img{width:100%;height:auto;object-fit:contain;
  border-radius:var(--radius-lg);box-shadow:var(--sh)}

/* REVIEWS */
.reviews-section{background:var(--navy-mid);padding:72px 48px}
.reviews-grid{max-width:1160px;margin:0 auto;display:grid;
  grid-template-columns:repeat(3,1fr);gap:24px}
.rv-card{background:rgba(255,255,255,.05);border:1px solid rgba(212,160,23,.14);
  border-left:4px solid var(--gold);border-radius:var(--radius-xl);padding:28px 22px;
  transition:background .3s,transform .3s}
.rv-card:hover{background:rgba(255,255,255,.08);transform:translateY(-4px)}
.rv-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.rv-photo{width:68px;height:68px;border-radius:50%;object-fit:cover;
  flex-shrink:0;border:3px solid var(--gold)}
.rv-name{font-family:'Jost',sans-serif;font-size:.95rem;font-weight:800;color:var(--white);margin-bottom:2px}
.rv-loc{font-size:.78rem;color:rgba(255,255,255,.40)}
.rv-stars{color:var(--gold-lgt);font-size:1rem;letter-spacing:2px;margin-bottom:8px}
.rv-badge{font-size:.78rem;font-weight:700;color:var(--gold-lgt);margin-bottom:10px;display:block}
.rv-text{font-size:.92rem;line-height:1.72;color:rgba(255,255,255,.55);font-style:italic}

/* GUARANTEE */
.guarantee-section{background:var(--white);padding:72px 48px}
.guarantee-inner{max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:260px 1fr;align-items:center;gap:60px}
.guarantee-img img{width:100%;max-width:260px;height:auto;object-fit:contain;margin:0 auto}
.guarantee-text h3{font-family:'Jost',sans-serif;font-size:1.9rem;font-weight:900;
  color:var(--text);margin-bottom:14px;line-height:1.2}
.guarantee-text h3 span{color:var(--gold-dk)}
.guarantee-text p{font-size:1.03rem;line-height:1.85;color:var(--muted);margin-bottom:14px}

/* FAQ */
.faq-section{background:var(--off);padding:72px 48px}
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--white);border:1px solid var(--border-lt);
  border-left:4px solid var(--gold);border-radius:var(--radius-lg);overflow:hidden}
.faq-question{width:100%;background:none;border:none;text-align:left;padding:18px 22px;
  font-family:'Jost',sans-serif;font-size:1rem;font-weight:700;color:var(--text);
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  gap:14px;transition:background .2s;line-height:1.4}
.faq-question:hover{background:var(--gold-pale)}
.faq-arrow{font-size:1.1rem;transition:transform .3s;color:var(--gold-dk);flex-shrink:0;font-weight:700}
.faq-answer{display:none;padding:0 22px 18px;font-size:.97rem;line-height:1.80;
  color:var(--muted);border-top:1px solid var(--border-lt)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-arrow{transform:rotate(180deg)}

/* CTA FINAL */
.cta-final{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-lgt) 50%,var(--navy-mid) 100%);
  padding:80px 48px;text-align:center;position:relative;overflow:hidden;border-top:4px solid var(--gold)}
.cta-final::before{content:'';position:absolute;top:-80px;left:50%;transform:translateX(-50%);
  width:600px;height:200px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(212,160,23,.15) 0%,transparent 65%);pointer-events:none}
.cta-final h2{font-family:'Jost',sans-serif;font-size:2.6rem;font-weight:900;
  color:var(--white);margin-bottom:14px;line-height:1.2;position:relative;z-index:1}
.cta-final h2 .hl{color:var(--gold-lgt)}
.cta-sub{font-size:1rem;color:rgba(255,255,255,.45);margin:0 auto 36px;
  max-width:700px;position:relative;z-index:1}
.cta-img{max-width:280px;margin:0 auto 32px;position:relative;z-index:1}
.cta-img a img{width:100%;height:auto;object-fit:contain;
  filter:drop-shadow(0 0 32px rgba(212,160,23,.28)) drop-shadow(0 14px 40px rgba(0,0,0,.70));
  transition:transform .4s}
.cta-img a:hover img{transform:scale(1.05) translateY(-8px)}
.cta-btns{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.cta-note{font-size:.82rem;color:rgba(255,255,255,.28);margin-top:14px;position:relative;z-index:1}

/* FOOTER */
footer{background:var(--navy);border-top:3px solid var(--gold-dk)}
.footer-main{max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr;
  padding:44px 48px;border-bottom:1px solid rgba(255,255,255,.06)}
.fb-brand{padding-right:44px;border-right:1px solid rgba(255,255,255,.07)}
.fb-logo{font-family:'Jost',sans-serif;font-size:1.4rem;font-weight:900;
  color:var(--white);display:block;margin-bottom:8px;
  letter-spacing:1px;text-transform:uppercase;text-decoration:none}
.fb-logo span{color:var(--gold-lgt)}
.fb-tagline{font-size:.82rem;color:rgba(255,255,255,.28);line-height:1.70;margin-bottom:14px}
.fb-pills{display:flex;flex-wrap:wrap;gap:6px}
.fbp{background:rgba(212,160,23,.10);border:1px solid rgba(212,160,23,.20);
  color:var(--gold-lgt);font-size:.70rem;font-weight:800;
  padding:3px 10px;border-radius:var(--radius-pill)}
.fb-nav{padding:0 24px}
.fb-nav h5{font-family:'Jost',sans-serif;font-size:.70rem;font-weight:800;
  text-transform:uppercase;letter-spacing:2px;color:var(--gold-lgt);
  margin-bottom:12px;padding-bottom:7px;border-bottom:1px solid rgba(212,160,23,.18)}
.fb-nav ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px}
.fb-nav ul li a{color:rgba(255,255,255,.30);font-size:.88rem;font-weight:500;
  transition:color .2s;display:flex;align-items:center;gap:5px}
.fb-nav ul li a::before{content:'›';color:var(--gold-lgt);font-size:.9rem;font-weight:700}
.fb-nav ul li a:hover{color:var(--white)}
.footer-legal{max-width:1200px;margin:0 auto;padding:14px 48px 20px;text-align:center}
.footer-legal p{font-size:.78rem;color:rgba(255,255,255,.20);line-height:1.72;margin-bottom:6px}
.footer-legal a{color:rgba(255,255,255,.28)}
.footer-legal a:hover{color:var(--gold-lgt)}
.footer-copy{font-size:.78rem;color:rgba(255,255,255,.18);margin-top:8px;
  padding-top:8px;border-top:1px solid rgba(255,255,255,.06)}

/* SCROLL TOP */
#scrollTop{position:fixed;bottom:28px;right:20px;z-index:999;display:none;
  width:46px;height:46px;background:var(--gold);color:var(--navy);
  border-radius:50%;border:none;font-size:1.3rem;font-weight:900;
  cursor:pointer;box-shadow:var(--sh-gold);align-items:center;justify-content:center}

/* FDA BOX */
.fda-box{background:var(--near);border-left:4px solid var(--gold);border-radius:var(--radius);
  padding:18px 22px;margin:24px 0;font-size:.84rem;line-height:1.72;color:var(--muted)}
.fda-box strong{color:var(--text)}

/* ANIMATIONS */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.fade-left{opacity:0;transform:translateX(-28px);transition:opacity .65s ease,transform .65s ease}
.fade-right{opacity:0;transform:translateX(28px);transition:opacity .65s ease,transform .65s ease}
.fade-up.visible,.fade-left.visible,.fade-right.visible{opacity:1;transform:translate(0)}

/* RESPONSIVE */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding-bottom:60px}
  .hero-img{order:-1;padding:48px 24px 16px}
  .hero-text{padding:16px 24px 48px;text-align:center}
  .hero-h1{font-size:2.2rem}
  .hero-eyebrow,.hero-pills,.hero-ctas{justify-content:center}
  .hero-desc{margin:0 auto}
  .about-inner{grid-template-columns:1fr}
  .about-img{text-align:center}
  .hiw-steps,.ing-grid,.feat-grid,.reviews-grid{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .guarantee-inner{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr}
  .fb-brand{grid-column:1/-1;border-right:none;border-bottom:1px solid rgba(255,255,255,.07);padding-right:0;padding-bottom:20px;margin-bottom:8px}
}
@media(max-width:640px){
  nav{padding:0 16px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .hero-h1{font-size:1.9rem}
  .sec-band{padding:36px 20px 30px}
  .sec-band h2{font-size:1.65rem}
  .feat-grid{grid-template-columns:1fr}
  .about-section,.hiw-section,.ing-section,.feat-section,
  .reviews-section,.guarantee-section,.faq-section{padding:44px 20px}
  .order-img-section,.pricing-section{padding:36px 20px}
  .cta-final{padding:56px 20px}
  .cta-final h2{font-size:1.85rem}
  .footer-main,.footer-legal{padding:28px 20px}
  .fb-nav{padding:0}
  .footer-main{grid-template-columns:1fr}
}