.page-header h1,.page-header p,.page-header-inner{z-index:1;position:relative}.ad-label,.page-header-badge{text-transform:uppercase;letter-spacing:.1em}.ad-slot,.calendar-day,.inner-card-title,.ovulation-label,.ovulation-value,.page-header,.stat-card{text-align:center}.calculate-btn,.download-btn{cursor:pointer;transition:all var(--transition)}.calculate-btn,.calendar-day,.download-btn,.future-cycle,.input-field,.input-group,.select-field,.stat-card{transition:all var(--transition)}.blog-content h2 .serif-accent,.page-header h1 .accent{text-transform:none;-webkit-text-fill-color:transparent}.blog-content a,.meta-line a{text-decoration:underline;text-underline-offset:2px}body{background:var(--clr-slate-100)}.page-header{background:var(--clr-slate-900);position:relative;overflow:hidden;padding:4rem 1.5rem 5rem;color:var(--clr-white)}.page-header::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 20% 50%,rgba(13,207,180,.14) 0,transparent 60%),radial-gradient(ellipse 40% 60% at 80% 40%,rgba(34,211,238,.1) 0,transparent 55%)}.page-header::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(13,207,180,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(13,207,180,.05) 1px,transparent 1px);background-size:48px 48px}.page-header-inner{max-width:780px;margin:0 auto}.page-header-badge{display:inline-flex;align-items:center;gap:.45rem;padding:.3rem 1rem;border-radius:var(--radius-pill);background:rgba(13,207,180,.12);border:1px solid rgba(13,207,180,.3);font-size:.75rem;font-weight:600;color:var(--clr-teal);margin-bottom:1.25rem}.page-header h1{font-family:var(--font-display);font-size:clamp(2rem, 5.5vw, 3.5rem);font-weight:800;letter-spacing:.01em;text-transform:uppercase;line-height:1.05;margin-bottom:1rem}.page-header h1 .accent{font-family:var(--font-serif);font-style:italic;font-weight:700;letter-spacing:-.01em;background:linear-gradient(135deg,var(--clr-teal) 0,var(--clr-cyan) 100%);-webkit-background-clip:text;background-clip:text}.page-header p{font-size:1.05rem;color:rgba(255,255,255,.7);line-height:1.7;max-width:680px;margin:0 auto;font-weight:300}.calc-page-wrap{max-width:1100px;margin:0 auto;padding:0 1.5rem}.ad-slot{margin:1.75rem 0}.ad-label{font-size:.68rem;color:var(--clr-slate-400);margin-bottom:.35rem}.calculator-card{background:var(--clr-white);border-radius:var(--radius-lg);padding:2.5rem;box-shadow:var(--shadow-lift);border:1px solid var(--clr-slate-200);margin-top:-2.5rem;margin-bottom:1.5rem;position:relative;z-index:10;animation:.5s both slideUp}.inner-card,.input-group{background:var(--clr-slate-100)}.calculator-card+.calculator-card{margin-top:0}@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.inner-card{border:1px solid var(--clr-slate-200);border-radius:var(--radius-md);padding:1.5rem;margin:0 0 1rem;box-shadow:none;animation:none}.inner-card-subtitle,.inner-card-title{font-family:var(--font-display);font-weight:700;text-transform:uppercase;color:var(--clr-slate-800);margin-bottom:.75rem;letter-spacing:.05em}.inner-card-title{font-size:.92rem}.inner-card-subtitle{font-size:.88rem}.card-title,.input-label{font-family:var(--font-display);text-transform:uppercase;color:var(--clr-teal-deep);font-weight:700}.card-title{font-size:1.1rem;letter-spacing:.05em;margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.25rem}.input-group{border:1px solid var(--clr-slate-200);border-radius:var(--radius-md);padding:1.1rem 1rem}.input-group:focus-within{border-color:var(--clr-teal);box-shadow:0 0 0 2px var(--clr-teal-glow)}.input-label{display:block;font-size:.72rem;letter-spacing:.08em;margin-bottom:.5rem}.input-field,.select-field{width:100%;padding:.65rem .75rem;border:2px solid var(--clr-slate-200);border-radius:var(--radius-sm);font-family:'Courier New',monospace;font-size:1rem;font-weight:700;color:var(--clr-slate-800);background:var(--clr-white);box-sizing:border-box}.calendar-day,.method-box{border:1px solid var(--clr-slate-200)}.select-field{font-family:var(--font-body);font-size:.9rem;font-weight:500}.calculate-btn,.info-title,.method-title{font-family:var(--font-display);letter-spacing:.06em;text-transform:uppercase}.input-field:focus,.select-field:focus{outline:0;border-color:var(--clr-teal);box-shadow:0 0 0 3px var(--clr-teal-glow)}.helper-text{font-size:.73rem;color:var(--clr-slate-400);margin-top:.45rem;font-style:italic;line-height:1.45}.method-box{background:var(--clr-white);border-radius:var(--radius-sm);padding:.85rem .9rem;margin-top:.1rem}.method-title{font-size:.78rem;font-weight:700;color:var(--clr-teal-deep)}.method-text{font-size:.78rem;color:var(--clr-slate-500);margin-top:.3rem;line-height:1.5}.info-box{background:linear-gradient(135deg,rgba(13,207,180,.06) 0,rgba(34,211,238,.04) 100%);border:1px solid rgba(13,207,180,.2);border-left:3px solid var(--clr-teal);border-radius:var(--radius-sm);padding:1rem 1.1rem;margin-top:1.1rem}.calculate-btn,.result-display{background:var(--clr-teal-deep)}.info-title{font-size:.82rem;font-weight:700;color:var(--clr-teal-deep);margin-bottom:.5rem}.info-text{font-size:.875rem;color:var(--clr-slate-600);line-height:1.75}.blog-content strong,.highlight-box strong,.info-text strong{color:var(--clr-slate-800);font-weight:600}.calculate-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:.75rem;padding:1.05rem;border:none;border-radius:var(--radius-sm);font-size:1.1rem;font-weight:700;color:var(--clr-white);box-shadow:var(--shadow-teal);margin-top:.75rem}.blog-content h2 .serif-accent,.ovulation-value{font-family:var(--font-serif);font-style:italic}.calculate-btn:hover{background:var(--clr-teal);color:var(--clr-slate-900);transform:translateY(-2px);box-shadow:0 12px 32px rgba(13,207,180,.4)}.calculate-btn:active{transform:scale(.99)}.result-display{padding:2rem 1.75rem 1.75rem;border-radius:var(--radius-md);color:var(--clr-white);margin-bottom:1rem;animation:.35s fadeIn}@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.ovulation-value{font-size:clamp(1.6rem, 4.5vw, 2.75rem);font-weight:700;line-height:1.2;color:var(--clr-white)}.ovulation-label,.stat-title{font-family:var(--font-display);font-weight:600;text-transform:uppercase}.ovulation-label{font-size:.8rem;letter-spacing:.1em;color:rgba(255,255,255,.75);margin-top:.35rem;margin-bottom:.75rem}.ovulation-description{text-align:center;font-size:.88rem;color:rgba(255,255,255,.85);margin-bottom:1.25rem;line-height:1.6}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.65rem;margin-top:1rem}.stat-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);padding:.85rem}.calendar-day,.legend-box{background:var(--clr-white)}.stat-card:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}.stat-title{font-size:.68rem;letter-spacing:.07em;color:rgba(255,255,255,.85);margin-bottom:.4rem}.day-number,.stat-value{font-family:'Courier New',monospace}.calendar-day.ovulation,.stat-value{color:var(--clr-white);font-weight:900}.stat-value{font-size:1.1rem;line-height:1.2}.fertility-calendar{display:grid;grid-template-columns:repeat(6,1fr);gap:.6rem;margin-top:.75rem}.calendar-day{border-radius:var(--radius-sm);padding:.75rem .5rem}.calendar-day:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}.calendar-day.ovulation{background:var(--clr-teal-deep);border-color:var(--clr-teal-deep)}.calendar-day.high-fertility{background:var(--clr-teal);color:var(--clr-slate-900);border-color:var(--clr-teal)}.calendar-day.medium-fertility{background:linear-gradient(135deg,rgba(13,207,180,.15) 0,rgba(34,211,238,.12) 100%);border-color:rgba(13,207,180,.35);color:var(--clr-slate-700)}.day-number{font-size:1.15rem;font-weight:700;margin-bottom:.2rem;line-height:1}.day-label,.legend-item{font-weight:600;font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase}.day-label{font-size:.62rem;opacity:.9;line-height:1.3}.legend-box{margin-top:1rem;padding:.75rem 1rem;border:1px solid var(--clr-slate-200);border-radius:var(--radius-sm);display:flex;justify-content:center;flex-wrap:wrap;gap:1rem}.legend-item{display:flex;align-items:center;gap:.45rem;font-size:.75rem;color:var(--clr-slate-600)}.legend-color{width:16px;height:16px;border-radius:3px;flex-shrink:0}.legend-ovulation{background:var(--clr-teal-deep)}.legend-high{background:var(--clr-teal)}.legend-medium{background:linear-gradient(135deg,rgba(13,207,180,.35) 0,rgba(34,211,238,.25) 100%);border:1px solid rgba(13,207,180,.4)}.future-cycle{background:var(--clr-white);border:1px solid var(--clr-slate-200);border-radius:var(--radius-sm);padding:.85rem 1rem;margin-bottom:.6rem}.future-cycle:last-child{margin-bottom:0}.future-cycle:hover{border-color:rgba(13,207,180,.35);box-shadow:var(--shadow-soft)}.future-cycle-title{font-family:var(--font-display);font-size:.82rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--clr-teal-deep);margin-bottom:.35rem}.future-cycle-body{font-size:.83rem;color:var(--clr-slate-500);line-height:1.65}.blog-content a:hover,.download-btn{color:var(--clr-teal)}.faq-item strong,.future-cycle-body strong{color:var(--clr-slate-700);font-weight:600}.blog-content h2,.blog-content h3,.faq-item h4{font-family:var(--font-display);font-weight:700;text-transform:uppercase}.download-buttons{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.1rem}.download-btn{flex:1 1 150px;padding:.65rem 1rem;background:0 0;border:1px solid rgba(13,207,180,.4);border-radius:var(--radius-pill);font-family:var(--font-display);font-weight:600;font-size:.85rem;letter-spacing:.05em;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center;gap:.4rem}.download-btn:hover{background:rgba(13,207,180,.1);border-color:var(--clr-teal);transform:translateY(-1px)}.blog-section{max-width:860px;margin:3rem auto 0;padding:0 1.5rem}.blog-content{background:var(--clr-white);border-radius:var(--radius-lg);padding:3rem 3.5rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-slate-200);line-height:1.9}.blog-content h2{font-size:clamp(1.5rem, 4vw, 2.2rem);letter-spacing:.01em;color:var(--clr-slate-800);margin-bottom:.5rem;line-height:1.15}.blog-content h2 .serif-accent{background:linear-gradient(135deg,var(--clr-teal-deep),var(--clr-cyan));-webkit-background-clip:text;background-clip:text}.meta-line{font-size:.82rem;color:var(--clr-slate-400);margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--clr-slate-200)}.meta-line a{color:var(--clr-teal-deep)}.blog-content h3{font-size:1.2rem;letter-spacing:.03em;color:var(--clr-slate-800);margin-top:2.25rem;margin-bottom:.85rem}.blog-content p{color:var(--clr-slate-600);font-size:.975rem;margin-bottom:1rem;line-height:1.85}.blog-content ul{color:var(--clr-slate-600);margin-left:1.5rem;margin-bottom:1.1rem}.blog-content li{margin-bottom:.4rem;line-height:1.75;font-size:.975rem}.blog-content a{color:var(--clr-teal-deep);text-decoration-thickness:1px;transition:color var(--transition)}.highlight-box{background:linear-gradient(135deg,rgba(13,207,180,.06) 0,rgba(34,211,238,.06) 100%);border:1px solid rgba(13,207,180,.2);border-left:3px solid var(--clr-teal);padding:1rem 1.25rem;border-radius:var(--radius-sm);margin:1.5rem 0;font-size:.93rem;color:var(--clr-slate-700);line-height:1.7}.faq-wrapper{margin-top:1.25rem}.faq-item+.faq-item{margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--clr-slate-200)}.faq-item h4{font-size:.9rem;letter-spacing:.04em;color:var(--clr-slate-800);margin-bottom:.35rem}.faq-item p{font-size:.9rem;color:var(--clr-slate-400);line-height:1.75;margin:0}@media (max-width:768px){.page-header{padding:3rem 1.25rem 4rem}.page-header h1{font-size:1.9rem}.calculator-card{padding:1.5rem 1.25rem;margin-top:-1.5rem;border-radius:var(--radius-md)}.input-grid,.stats-grid{grid-template-columns:1fr}.fertility-calendar{grid-template-columns:repeat(3,1fr);gap:.5rem}.download-buttons{flex-direction:column}.blog-section{padding:0 1rem}.blog-content{padding:1.75rem 1.25rem}.blog-content h2{font-size:1.35rem}.blog-content h3{font-size:1.05rem}.ovulation-value{font-size:1.6rem}}@media (max-width:480px){.calc-page-wrap{padding:0 .75rem}.stats-grid{grid-template-columns:1fr 1fr}.fertility-calendar{grid-template-columns:repeat(2,1fr)}.ovulation-value{font-size:1.35rem}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}