/* ============================================================
   CIRCO2 US — css/style.css
   Domain: circo2us.com
   Theme: Dark Charcoal + Crimson Red + Warm Gold + White
   Font: Inter + Montserrat
   Layout: Full-width centered hero + card grid + timeline ingredients
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --charcoal:     #111827;
  --charcoal-mid: #1f2937;
  --charcoal-lgt: #374151;
  --crimson:      #b91c1c;
  --crimson-mid:  #dc2626;
  --crimson-lgt:  #ef4444;
  --crimson-pale: #fef2f2;
  --gold:         #d97706;
  --gold-mid:     #f59e0b;
  --gold-lgt:     #fbbf24;
  --gold-pale:    #fffbeb;
  --gold-xpale:   #fefce8;
  --slate:        #1e3a5f;
  --slate-mid:    #2563eb;
  --slate-lgt:    #3b82f6;
  --slate-pale:   #eff6ff;
  --white:        #ffffff;
  --off-white:    #f9fafb;
  --near-white:   #f3f4f6;
  --text:         #111827;
  --text-mid:     #1f2937;
  --muted:        #4b5563;
  --muted-lgt:    #6b7280;
  --border:       #e5e7eb;
  --border-gold:  #fde68a;
  --radius:       8px;
  --radius-lg:    14px;
  --radius-xl:    22px;
  --radius-pill:  999px;
  --shadow-sm:    0 1px 8px rgba(0,0,0,0.06);
  --shadow:       0 4px 20px rgba(0,0,0,0.10);
  --shadow-h:     0 12px 40px rgba(0,0,0,0.18);
  --shadow-gold:  0 4px 18px rgba(217,119,6,0.28);
  --shadow-red:   0 4px 16px rgba(185,28,28,0.22);
}

html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;font-size:17px;color:var(--text);background:var(--white);overflow-x:hidden;line-height:1.75}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif}

/* ===== NAV ===== */
nav{position:sticky;top:0;z-index:1000;background:var(--charcoal);padding:0 24px;height:70px;box-shadow:0 2px 16px rgba(0,0,0,.60);border-bottom:2px solid var(--gold)}
.nav-inner{max-width:1240px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{text-decoration:none;display:flex;align-items:center;flex-shrink:0}
.logo-circ{font-family:'Montserrat',sans-serif;font-size:1.65rem;font-weight:900;color:var(--white);letter-spacing:-1px}
.logo-two{font-family:'Montserrat',sans-serif;font-size:1.65rem;font-weight:900;color:var(--gold-mid);letter-spacing:-1px}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none}
.nav-links a{color:rgba(255,255,255,.70);text-decoration:none;font-size:.88rem;font-weight:600;letter-spacing:.3px;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--gold-lgt)}
.btn-nav-cta{background:var(--crimson)!important;color:var(--white)!important;font-weight:800!important;font-size:.82rem!important;padding:9px 22px!important;border-radius:var(--radius-pill)!important;letter-spacing:.5px;transition:filter .2s!important;text-transform:uppercase}
.btn-nav-cta:hover{filter:brightness(1.15)!important;color:var(--white)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{width:24px;height:2px;background:var(--gold-lgt);display:block;border-radius:2px;transition:all .3s}
.mobile-menu{display:none;flex-direction:column;background:var(--charcoal-mid);position:absolute;top:70px;left:0;right:0;padding:20px 28px;gap:16px;z-index:999;border-bottom:2px solid var(--gold)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:rgba(255,255,255,.75);text-decoration:none;font-size:1rem;font-weight:600;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.mob-cta-btn{background:var(--crimson)!important;color:var(--white)!important;text-align:center;padding:13px!important;border-radius:var(--radius-pill)!important;font-weight:800!important;margin-top:8px;text-transform:uppercase;border:none!important}

/* ===== CTA BUTTONS ===== */
.cta-primary{display:inline-block;background:linear-gradient(135deg,var(--crimson) 0%,var(--crimson-mid) 100%);color:var(--white);font-family:'Montserrat',sans-serif;font-weight:800;font-size:1rem;letter-spacing:.8px;text-transform:uppercase;padding:16px 40px;border-radius:var(--radius-pill);text-decoration:none;transition:filter .25s,transform .2s,box-shadow .2s;box-shadow:var(--shadow-red)}
.cta-primary:hover{filter:brightness(1.12);transform:translateY(-3px);box-shadow:0 8px 28px rgba(185,28,28,.38)}
.cta-ghost{display:inline-block;background:transparent;color:rgba(255,255,255,.70);font-family:'Montserrat',sans-serif;font-weight:700;font-size:.92rem;letter-spacing:.5px;text-transform:uppercase;padding:14px 32px;border-radius:var(--radius-pill);text-decoration:none;border:2px solid rgba(255,255,255,.28);transition:all .2s}
.cta-ghost:hover{border-color:var(--gold-lgt);color:var(--gold-lgt)}
.cta-large{font-size:1.15rem;padding:18px 52px}

/* ===== HERO — Full-width centered dark ===== */
.hero-wrap{background:linear-gradient(160deg,var(--charcoal) 0%,var(--charcoal-mid) 55%,#0f1e38 100%);position:relative;overflow:hidden;padding:72px 24px 80px;text-align:center}
.hero-bg-glow{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:700px;height:700px;border-radius:50%;background:radial-gradient(ellipse,rgba(217,119,6,.12) 0%,rgba(185,28,28,.08) 40%,transparent 70%);pointer-events:none;z-index:0}
.hero-content{position:relative;z-index:1;max-width:900px;margin:0 auto}

.hero-badge-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:28px}
.hero-badge{background:rgba(255,255,255,.07);border:1px solid rgba(251,191,36,.22);color:rgba(255,255,255,.80);font-size:.74rem;font-weight:700;letter-spacing:.8px;text-transform:uppercase;padding:6px 14px;border-radius:var(--radius-pill)}

.hero-headline{font-family:'Montserrat',sans-serif;font-size:3.4rem;font-weight:900;line-height:1.08;color:var(--white);margin-bottom:20px}
.hl-red{color:var(--crimson-lgt)}
.hl-white{color:var(--white)}
.hl-gold{color:var(--gold-mid)}

.hero-subline{font-size:1.08rem;line-height:1.82;color:rgba(255,255,255,.65);max-width:700px;margin:0 auto 32px}
.hero-subline strong{color:var(--gold-lgt)}

.hero-stat-row{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:0;margin-bottom:36px;background:rgba(255,255,255,.05);border:1px solid rgba(251,191,36,.15);border-radius:var(--radius-lg);padding:20px 32px;max-width:680px;margin-left:auto;margin-right:auto;margin-bottom:36px}
.hero-stat{display:flex;flex-direction:column;align-items:center;padding:0 28px}
.hero-stat strong{font-family:'Montserrat',sans-serif;font-size:1.7rem;font-weight:900;color:var(--gold-mid);line-height:1}
.hero-stat span{font-size:.72rem;font-weight:600;color:rgba(255,255,255,.50);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}
.hero-stat-divider{width:1px;height:48px;background:rgba(255,255,255,.12);flex-shrink:0}

.hero-img-cta{margin:0 auto 28px;display:inline-block}
.hero-img-link img{width:auto;max-width:340px;max-height:380px;object-fit:contain;filter:drop-shadow(0 12px 40px rgba(0,0,0,.50)) drop-shadow(0 0 60px rgba(217,119,6,.18));transition:transform .5s ease}
.hero-img-link:hover img{transform:scale(1.04) translateY(-8px)}

.hero-cta-group{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:20px}
.hero-microcopy{font-size:.80rem;color:rgba(255,255,255,.36);letter-spacing:.3px}

/* ===== TICKER ===== */
.ticker-wrap{background:var(--charcoal-lgt);overflow:hidden;padding:11px 0;border-top:1px solid rgba(251,191,36,.14);border-bottom:1px solid rgba(251,191,36,.14)}
.ticker-track{display:flex;width:max-content;animation:ticker 28s linear infinite;gap:0}
.ticker-track span{color:var(--gold-lgt);font-size:.82rem;font-weight:700;white-space:nowrap;padding:0 20px}
.ticker-dot{color:var(--crimson-mid);font-size:.5rem;align-self:center;padding:0 4px}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ===== SECTION HEADERS ===== */
.section-header{background:var(--charcoal);padding:56px 24px 44px;text-align:center;border-top:3px solid var(--gold);border-bottom:2px solid rgba(251,191,36,.15)}
.section-header.alt-header{background:var(--off-white);border-top-color:var(--crimson);border-bottom-color:var(--border)}
.sh-inner{max-width:760px;margin:0 auto}
.sh-eyebrow{display:inline-block;font-size:.70rem;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--gold-mid);margin-bottom:12px;border-bottom:2px solid var(--gold);padding-bottom:4px}
.section-header.alt-header .sh-eyebrow{color:var(--crimson-mid);border-bottom-color:var(--crimson)}
.section-header h2{font-family:'Montserrat',sans-serif;font-size:2.2rem;font-weight:900;color:var(--white);line-height:1.2;margin-bottom:12px}
.section-header.alt-header h2{color:var(--charcoal)}
.section-header p{font-size:1rem;color:rgba(255,255,255,.52);max-width:640px;margin:0 auto}
.section-header.alt-header p{color:var(--muted)}

/* ===== OVERVIEW ===== */
.overview-section{background:var(--white);padding:72px 40px}
.overview-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr 1.6fr;gap:72px;align-items:start}
.overview-img{position:relative}
.overview-img img{width:100%;max-width:380px;height:auto;object-fit:contain;filter:drop-shadow(0 10px 30px rgba(0,0,0,.14));display:block;margin:0 auto}
.overview-img-caption{text-align:center;margin-top:12px;font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.overview-text h3{font-family:'Montserrat',sans-serif;font-size:1.45rem;font-weight:900;color:var(--charcoal);line-height:1.3;margin-bottom:18px}
.overview-text p{font-size:1.05rem;line-height:1.88;color:var(--muted);margin-bottom:16px}
.overview-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-size:.74rem;font-weight:800;letter-spacing:.5px;text-transform:uppercase;padding:5px 14px;border-radius:var(--radius-pill)}
.chip-red{background:var(--crimson-pale);color:var(--crimson);border:1px solid #fca5a5}
.chip-blue{background:var(--slate-pale);color:var(--slate-mid);border:1px solid #bfdbfe}
.chip-green{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}
.chip-gold{background:var(--gold-pale);color:var(--gold);border:1px solid var(--border-gold)}

/* ===== BENEFITS GRID ===== */
.benefits-section{background:var(--off-white);padding:72px 40px}
.benefits-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefit-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-xl);padding:28px 22px;transition:box-shadow .25s,transform .25s;box-shadow:var(--shadow-sm);border-bottom:3px solid var(--gold)}
.benefit-card:hover{box-shadow:var(--shadow-h);transform:translateY(-5px)}
.bc-icon{width:56px;height:56px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:14px}
.benefit-card h4{font-family:'Montserrat',sans-serif;font-size:.95rem;font-weight:900;color:var(--charcoal);margin-bottom:8px;line-height:1.35}
.benefit-card p{font-size:.86rem;line-height:1.72;color:var(--muted)}

/* ===== PRICE BAND ===== */
.price-band{background:var(--charcoal);padding:40px 24px 14px;text-align:center;border-top:3px solid var(--gold-mid)}
.price-band-inner h2{font-family:'Montserrat',sans-serif;font-size:1.9rem;font-weight:900;color:var(--gold-mid);margin-bottom:8px;text-transform:uppercase}
.price-band-inner p{font-size:1rem;color:rgba(255,255,255,.55)}
.price-section{background:var(--white);padding:44px;text-align:center}
.price-img-link{display:block}
.price-img-link img{max-width:900px;width:100%;height:auto;object-fit:contain;border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform .3s}
.price-img-link:hover img{transform:scale(1.01)}

/* ===== SCIENCE ===== */
.science-section{background:var(--charcoal);padding:72px 40px}
.science-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.science-card{background:rgba(255,255,255,.04);border:1px solid rgba(251,191,36,.14);border-radius:var(--radius-xl);padding:32px 28px;transition:border-color .25s,box-shadow .25s}
.science-card:hover{border-color:rgba(251,191,36,.40);box-shadow:0 6px 28px rgba(217,119,6,.12)}
.sc-num{font-family:'Montserrat',sans-serif;font-size:2.8rem;font-weight:900;color:rgba(251,191,36,.16);line-height:1;margin-bottom:8px;letter-spacing:-2px}
.science-card h3{font-family:'Montserrat',sans-serif;font-size:1.1rem;font-weight:800;color:var(--gold-lgt);margin-bottom:12px;line-height:1.35}
.science-card p{font-size:.92rem;line-height:1.78;color:rgba(255,255,255,.55)}

/* ===== FORMULA (timeline layout) ===== */
.formula-section{background:var(--white);padding:72px 40px}
.formula-item{max-width:980px;margin:0 auto 48px;display:grid;grid-template-columns:80px 1fr;gap:0;align-items:start}
.formula-item:last-of-type{margin-bottom:0}
.fi-left{display:flex;flex-direction:column;align-items:center;padding-top:4px}
.fi-icon{width:60px;height:60px;border-radius:50%;background:var(--gold-pale);border:3px solid var(--gold-mid);display:flex;align-items:center;justify-content:center;font-size:1.7rem;flex-shrink:0;box-shadow:var(--shadow-gold)}
.fi-line{width:2px;flex:1;background:linear-gradient(to bottom,var(--gold-mid),var(--border));margin-top:10px;min-height:60px}
.fi-body{padding:0 0 0 24px;border-left:2px solid var(--border);margin-left:-1px}
.fi-body h3{font-family:'Montserrat',sans-serif;font-size:1.25rem;font-weight:900;color:var(--charcoal);margin-bottom:6px;line-height:1.3}
.fi-tag{display:inline-block;font-size:.70rem;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--crimson);background:var(--crimson-pale);border:1px solid #fca5a5;border-radius:var(--radius-pill);padding:3px 12px;margin-bottom:12px}
.fi-body p{font-size:1rem;line-height:1.85;color:var(--muted)}
.formula-img-wrap{max-width:820px;margin:48px auto 0;text-align:center}
.formula-img-wrap img{width:100%;height:auto;border-radius:var(--radius-xl);box-shadow:var(--shadow);border:1px solid var(--border)}

/* ===== REVIEWS ===== */
.reviews-section{background:var(--near-white);padding:72px 40px}
.reviews-grid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-xl);padding:28px 24px;box-shadow:var(--shadow-sm);transition:box-shadow .3s,transform .3s;border-top:4px solid var(--crimson)}
.review-card:hover{box-shadow:var(--shadow-h);transform:translateY(-4px)}
.rc-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.rc-avatar{width:68px;height:68px;border-radius:50%;object-fit:cover;border:3px solid var(--gold-mid);flex-shrink:0}
.rc-stars{color:#f59e0b;font-size:1rem;letter-spacing:2px;margin-bottom:3px}
.rc-name{font-family:'Montserrat',sans-serif;font-size:.88rem;font-weight:800;color:var(--charcoal);margin-bottom:1px}
.rc-name span{font-weight:500;color:var(--muted)}
.rc-verified{font-size:.76rem;font-weight:700;color:var(--green,#16a34a);color:#16a34a}
.rc-quote{font-size:.95rem;line-height:1.78;color:var(--muted);font-style:italic;border-left:3px solid var(--gold);padding-left:14px}

/* ===== GUARANTEE ===== */
.guarantee-wrap{background:linear-gradient(135deg,var(--gold-xpale) 0%,var(--gold-pale) 100%);padding:72px 40px;border-top:3px solid var(--gold-mid);border-bottom:3px solid var(--gold-mid)}
.guarantee-inner{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:280px 1fr;gap:60px;align-items:center}
.guarantee-img img{width:100%;max-width:260px;height:auto;object-fit:contain;display:block;margin:0 auto;filter:drop-shadow(0 6px 20px rgba(0,0,0,.12))}
.guarantee-copy h2{font-family:'Montserrat',sans-serif;font-size:1.85rem;font-weight:900;color:var(--charcoal);line-height:1.25;margin-bottom:16px}
.guarantee-copy p{font-size:1.02rem;line-height:1.85;color:var(--muted);margin-bottom:14px}

/* ===== FINAL CTA ===== */
.cta-final{background:linear-gradient(155deg,var(--charcoal) 0%,#1a0a0a 50%,var(--charcoal-mid) 100%);padding:88px 24px;text-align:center;border-top:3px solid var(--crimson-mid);position:relative;overflow:hidden}
.cta-final::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(185,28,28,.16) 0%,transparent 60%);pointer-events:none}
.cta-final-inner{position:relative;z-index:1;max-width:800px;margin:0 auto}
.cta-final h2{font-family:'Montserrat',sans-serif;font-size:2.5rem;font-weight:900;color:var(--white);margin-bottom:14px;line-height:1.2}
.cta-final h2 span{color:var(--gold-mid)}
.cta-final-sub{font-size:.92rem;color:rgba(255,255,255,.48);margin-bottom:36px;line-height:1.7}
.cta-final-product{max-width:280px;margin:0 auto 32px}
.cta-final-product img{width:100%;height:auto;object-fit:contain;filter:drop-shadow(0 0 40px rgba(251,191,36,.22)) drop-shadow(0 16px 40px rgba(0,0,0,.60));transition:transform .4s}
.cta-final-product:hover img{transform:scale(1.06) translateY(-8px)}
.cta-trust-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 28px;margin-top:18px}
.cta-trust-row span{font-size:.82rem;font-weight:700;color:rgba(255,255,255,.40);white-space:nowrap}

/* ===== FOOTER ===== */
footer{background:var(--charcoal);border-top:3px solid var(--gold)}
.footer-top{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;padding:48px 40px;gap:0;border-bottom:1px solid rgba(255,255,255,.06)}
.ft-brand{padding-right:48px;border-right:1px solid rgba(255,255,255,.06)}
.footer-logo{text-decoration:none;display:flex;align-items:center;margin-bottom:12px}
.ft-desc{font-size:.86rem;line-height:1.72;color:rgba(255,255,255,.36);margin-bottom:16px}
.ft-badges{display:flex;flex-wrap:wrap;gap:6px}
.ft-badges span{background:rgba(217,119,6,.14);border:1px solid rgba(251,191,36,.22);color:var(--gold-lgt);font-size:.68rem;font-weight:800;padding:3px 10px;border-radius:var(--radius-pill);letter-spacing:.4px}
.ft-nav{padding:0 28px}
.ft-nav h5{font-size:.70rem;font-weight:800;text-transform:uppercase;letter-spacing:2.5px;color:var(--gold-mid);margin-bottom:14px;padding-bottom:7px;border-bottom:1px solid rgba(251,191,36,.18)}
.ft-nav ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.ft-nav ul li a{color:rgba(255,255,255,.38);text-decoration:none;font-size:.88rem;font-weight:500;transition:color .2s;display:flex;align-items:center;gap:5px}
.ft-nav ul li a::before{content:'›';color:var(--gold-mid);font-size:.9rem;font-weight:700}
.ft-nav ul li a:hover{color:var(--white)}
.footer-legal{max-width:1200px;margin:0 auto;padding:16px 40px 22px;text-align:center}
.footer-legal p{font-size:.78rem;color:rgba(255,255,255,.22);line-height:1.70;margin-bottom:7px}
.footer-legal a{color:rgba(255,255,255,.30);text-decoration:none}
.footer-legal a:hover{color:var(--gold-lgt)}
.footer-copy{font-size:.78rem;color:rgba(255,255,255,.22);margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.05)}

/* ===== FADE-UP ===== */
.fade-up{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:1100px){
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .science-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}.ft-brand{grid-column:1/-1;border-right:none;border-bottom:1px solid rgba(255,255,255,.06);padding-right:0;padding-bottom:24px;margin-bottom:8px}
}
@media(max-width:900px){
  .hero-headline{font-size:2.4rem}
  .overview-inner{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr 1fr}
  .guarantee-inner{grid-template-columns:1fr;text-align:center}
  .guarantee-img{order:-1}
  .guarantee-copy .sh-eyebrow{justify-content:center}
  .formula-item{grid-template-columns:60px 1fr}
  .hero-stat-row{padding:16px 20px;gap:0}
  .hero-stat{padding:0 16px}
}
@media(max-width:640px){
  nav{padding:0 16px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .hero-wrap{padding:52px 20px 64px}
  .hero-headline{font-size:2rem}
  .hero-stat-row{flex-wrap:wrap;gap:12px}
  .hero-stat-divider{display:none}
  .hero-img-link img{max-width:260px}
  .section-header,.section-header.alt-header{padding:40px 20px 32px}
  .section-header h2,.section-header.alt-header h2{font-size:1.6rem}
  .overview-section,.science-section,.formula-section,.benefits-section,.reviews-section,.guarantee-wrap,.price-section,.faq-section,.cta-final{padding:48px 20px}
  .benefits-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .formula-item{grid-template-columns:1fr;gap:12px}
  .fi-left{flex-direction:row;gap:12px;padding-top:0}
  .fi-line{display:none}
  .fi-body{border-left:none;padding-left:0}
  .footer-top,.footer-legal{padding:28px 20px}
  .ft-nav{padding:0}
  .footer-top{grid-template-columns:1fr}
  .price-section{padding:36px 16px}
  .cta-final h2{font-size:1.8rem}
  .hero-stat-row{margin-left:0;margin-right:0}
}

/* ===== FAQs ===== */
.faq-section{background:var(--off-white);padding:72px 40px}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 24px;font-family:'Montserrat',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:1.45}
.faq-q:hover{background:var(--gold-xpale)}
.faq-arrow{font-size:1.4rem;font-weight:300;transition:transform .3s;color:var(--crimson);flex-shrink:0;line-height:1}
.faq-ans{display:none;padding:0 24px 20px;font-size:1rem;line-height:1.82;color:var(--muted);border-top:1px solid var(--border)}
.faq-ans p{padding-top:16px}
.faq-item.open .faq-ans{display:block}
.faq-item.open .faq-arrow{transform:rotate(45deg);color:var(--gold)}
.faq-item.open .faq-q{background:var(--gold-xpale)}

/* ═══════════════════════════════════════
   AEO/GEO ADDITIONS — circo2us.com v2
═══════════════════════════════════════ */

/* ── Author Byline ── */
.author-byline{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(251,191,36,.18);border-radius:var(--radius-lg);padding:12px 18px;max-width:560px;margin:20px auto 0}
.author-avatar{width:40px;height:40px;border-radius:50%;background:var(--gold-mid);color:var(--charcoal);font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:.5px}
.author-meta{display:flex;flex-direction:column;gap:3px}
.author-name{font-size:.82rem;color:rgba(255,255,255,.75)}
.author-name strong{color:var(--gold-lgt)}
.author-date{font-size:.73rem;color:rgba(255,255,255,.40)}

/* ── Key Facts Table ── */
.key-facts-section{background:var(--charcoal);padding:64px 40px;border-top:3px solid var(--gold);border-bottom:3px solid rgba(251,191,36,.15)}
.key-facts-inner{max-width:860px;margin:0 auto}
.kf-header{text-align:center;margin-bottom:32px}
.kf-header h2{font-family:'Montserrat',sans-serif;font-size:2rem;font-weight:900;color:var(--white);margin-bottom:8px}
.kf-header p{font-size:.95rem;color:rgba(255,255,255,.45)}
.key-facts-table{border:1px solid rgba(251,191,36,.20);border-radius:var(--radius-xl);overflow:hidden;background:rgba(255,255,255,.03)}
.kft-row{display:grid;grid-template-columns:220px 1fr;border-bottom:.5px solid rgba(251,191,36,.10)}
.kft-row.kft-last{border-bottom:none}
.kft-head{background:rgba(217,119,6,.20);border-bottom:1px solid rgba(251,191,36,.25)!important}
.kft-head div{font-family:'Montserrat',sans-serif;font-size:.72rem;font-weight:900;text-transform:uppercase;letter-spacing:1.5px;color:var(--gold-mid);padding:12px 18px}
.kft-row div{padding:11px 18px;font-size:.90rem;line-height:1.55;color:rgba(255,255,255,.65)}
.kft-row div:first-child{border-right:.5px solid rgba(251,191,36,.10);color:rgba(255,255,255,.85)}
.kft-row div strong{color:var(--white);font-weight:600}
.kft-row:nth-child(even){background:rgba(255,255,255,.02)}

/* ── HowTo Steps ── */
.howto-section{background:var(--off-white);padding:64px 40px}
.howto-steps{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.howto-step{display:grid;grid-template-columns:56px 1fr;gap:0;align-items:start;padding-bottom:0;position:relative}
.howto-step:not(:last-child)::after{content:'';position:absolute;left:27px;top:56px;bottom:0;width:2px;background:linear-gradient(to bottom,var(--gold-mid),var(--border));z-index:0}
.hs-num{width:54px;height:54px;border-radius:50%;background:var(--charcoal);color:var(--gold-mid);font-family:'Montserrat',sans-serif;font-size:1.2rem;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.hs-body{padding:8px 0 36px 22px}
.hs-body h4{font-family:'Montserrat',sans-serif;font-size:1.05rem;font-weight:800;color:var(--charcoal);margin-bottom:6px}
.hs-tldr{font-size:.88rem;background:var(--gold-xpale);border-left:3px solid var(--gold-mid);padding:8px 12px;border-radius:0 var(--radius) var(--radius) 0;margin-bottom:10px;line-height:1.5;color:var(--charcoal)}
.hs-tldr strong{color:var(--gold)}
.hs-body p:last-child{font-size:.96rem;line-height:1.80;color:var(--muted)}

/* ── FAQ TL;DR snippets ── */
.faq-tldr{font-size:.90rem;background:var(--gold-xpale);border-left:3px solid var(--gold-mid);padding:9px 13px;border-radius:0 var(--radius) var(--radius) 0;margin:12px 0 10px;line-height:1.55;color:var(--charcoal)}
.faq-tldr strong{color:var(--gold);font-weight:700}
.faq-ans p:not(.faq-tldr){padding-top:6px}

/* ── Responsive additions ── */
@media(max-width:640px){
  .kft-row{grid-template-columns:1fr}
  .kft-row div:first-child{border-right:none;border-bottom:.5px solid rgba(251,191,36,.08);padding-bottom:4px}
  .key-facts-section{padding:44px 20px}
  .howto-section{padding:44px 20px}
  .author-byline{flex-direction:column;text-align:center;max-width:100%}
  .howto-step{grid-template-columns:44px 1fr}
  .hs-num{width:44px;height:44px;font-size:1rem}
}