:root{--purple: #7F77DD;--teal: #1D9E75;--amber: #EF9F27;--rose: #F4C0D1;--bg: #faf9ff;--text: #1a1825;--muted: #5a5670;--border: rgba(127,119,221,.15);--purple-light: #EEEDFE;--teal-light: rgba(29,158,117,.08);--amber-light: rgba(239,159,39,.08);--rose-light: rgba(244,192,209,.15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--shadow-card: 0 4px 40px rgba(127,119,221,.1);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:DM Sans,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:Playfair Display,serif;line-height:1.3}img{max-width:100%;height:auto}nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:#faf9ffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex-shrink:0}.nav-logo-text{font-family:DM Sans,sans-serif;font-size:19px;font-weight:500;color:var(--text);letter-spacing:-.3px}.nav-logo-text span{color:var(--purple)}.nav-links{display:flex;align-items:center;gap:8px;list-style:none}.nav-links a{text-decoration:none;color:var(--muted);font-size:.9rem;font-weight:500;padding:6px 12px;border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition)}.nav-links a:hover,.nav-links a.active{color:var(--purple);background:var(--purple-light)}.nav-links a.active{font-weight:600}.nav-dropdown{position:relative}.nav-dropdown>a{display:flex;align-items:center;gap:4px}.nav-dropdown>a:after{content:"▾";font-size:.75rem}.dropdown-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:0 8px 32px #7f77dd26;padding:8px;min-width:220px;z-index:100}.nav-dropdown:hover .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:8px 12px;border-radius:var(--radius-sm);font-size:.875rem;white-space:nowrap;color:var(--muted);text-decoration:none}.dropdown-menu a:hover{color:var(--purple);background:var(--purple-light)}.dropdown-menu a.active-item{color:var(--purple);background:var(--purple-light);font-weight:600}.nav-cta{background:var(--purple)!important;color:#fff!important;padding:8px 18px!important;border-radius:24px!important;font-weight:600!important}.nav-cta:hover{background:#6b63c8!important;color:#fff!important}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--text)}.hero{padding:100px 24px 48px;max-width:760px;margin:0 auto;text-align:center}.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);color:var(--text);margin-bottom:20px}.hero-intro{font-size:1.05rem;color:var(--muted);max-width:620px;margin:0 auto;line-height:1.7}.hero-intro a{color:var(--purple);text-decoration:underline;text-underline-offset:3px}.reviewed-banner{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--teal-light);border:1px solid rgba(29,158,117,.2);border-radius:50px;padding:10px 20px;max-width:540px;margin:24px auto 0;font-size:.85rem;color:var(--teal);font-weight:500}.shield-icon{width:18px;height:18px;flex-shrink:0}.calc-section{max-width:760px;margin:48px auto;padding:0 24px}.calc-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-card)}.calc-card h2{font-size:1.4rem;margin-bottom:8px}.calc-subtitle{color:var(--muted);font-size:.9rem;margin-bottom:28px}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.input-group{display:flex;flex-direction:column;gap:6px}.input-group.full-width{grid-column:1 / -1}.input-group label{font-size:.875rem;font-weight:600;color:var(--text)}.input-group input,.input-group select,.input-group textarea{padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-md);font-family:DM Sans,sans-serif;font-size:1rem;color:var(--text);background:var(--bg);transition:border-color var(--transition),box-shadow var(--transition);-webkit-appearance:none;width:100%}.input-group input:focus,.input-group select:focus,.input-group textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px #7f77dd1f}.helper-text{font-size:.78rem;color:var(--muted)}.helper-text a{color:var(--purple)}.calc-btn{width:100%;padding:16px;background:var(--purple);color:#fff;border:none;border-radius:14px;font-family:DM Sans,sans-serif;font-size:1rem;font-weight:600;cursor:pointer;transition:background var(--transition),transform .1s;letter-spacing:.01em}.calc-btn:hover{background:#6b63c8}.calc-btn:active{transform:scale(.98)}.calc-btn.teal{background:var(--teal)}.calc-btn.teal:hover{background:#178c64}#results{display:none;margin-top:32px}.results-title{font-size:1.2rem;font-family:Playfair Display,serif;margin-bottom:20px;color:var(--text)}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.result-card{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:16px 18px}.result-card.full-width{grid-column:1 / -1}.result-card.purple{background:var(--purple-light);border-color:#7f77dd40}.result-card.teal{background:var(--teal-light);border-color:#1d9e7540}.result-card.amber{background:var(--amber-light);border-color:#ef9f2740}.result-card.green{background:#1d9e750f;border-color:#1d9e7533}.result-card.late-warning{background:#ef9f271a;border-color:#ef9f274d}.result-card.late-ok{background:var(--teal-light);border-color:#1d9e7540}.result-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px}.result-value{font-size:1.15rem;font-weight:700;color:var(--text);margin-bottom:4px}.result-value.purple{color:var(--purple)}.result-value.teal{color:var(--teal)}.result-value.amber{color:var(--amber)}.result-value.green{color:#1a7a59}.result-note{font-size:.82rem;color:var(--muted);line-height:1.5}.phase-card{grid-column:1 / -1;background:linear-gradient(135deg,#7f77dd1a,#7f77dd0a);border:1px solid rgba(127,119,221,.2);border-radius:14px;padding:20px}.phase-badge{display:inline-block;background:var(--purple);color:#fff;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:3px 10px;border-radius:50px;margin-bottom:8px}.phase-name{font-family:Playfair Display,serif;font-size:1.3rem;color:var(--purple);margin-bottom:6px}.phase-desc{font-size:.9rem;color:var(--text);margin-bottom:8px}.phase-energy{font-size:.82rem;color:var(--muted);font-style:italic}.health-card{grid-column:1 / -1;background:#fff;border:1.5px solid var(--border);border-radius:14px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start}.health-icon{font-size:1.4rem;flex-shrink:0;margin-top:2px}.health-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px}.health-text{font-size:.9rem;color:var(--text);line-height:1.5}.calendar-section{grid-column:1 / -1;margin-top:8px}.calendar-grid-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.month-cal{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;overflow:hidden}.month-name{font-family:Playfair Display,serif;font-size:.95rem;font-weight:600;text-align:center;margin-bottom:10px;color:var(--text)}.cal-days-header{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;margin-bottom:4px}.cal-day-name{font-size:.65rem;font-weight:600;text-align:center;color:var(--muted);text-transform:uppercase}.cal-days{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.cal-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:.72rem;border-radius:6px;font-weight:500;color:var(--text)}.cal-day.period{background:#7f77dd38;color:var(--purple);font-weight:700}.cal-day.fertile{background:#1d9e7526;color:#0f7a5a;font-weight:600}.cal-day.ovulation{background:var(--teal);color:#fff;font-weight:700}.cal-day.pms{background:#ef9f2726;color:#b87400;font-weight:600}.cal-day.today{outline:2px solid var(--purple);outline-offset:-2px}.cal-day.empty{background:transparent}.calendar-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.legend-item{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--muted)}.legend-dot{width:12px;height:12px;border-radius:3px;flex-shrink:0}.timeline-wrap{grid-column:1 / -1}.timeline-bar{display:flex;gap:3px;overflow-x:auto;padding-bottom:8px}.timeline-day{flex:0 0 calc((100% - 126px)/42);min-width:18px;display:flex;flex-direction:column;align-items:center;gap:4px}.timeline-day-num{font-size:.6rem;color:var(--muted);height:14px}.timeline-dot{width:100%;height:28px;border-radius:5px;background:#ededf8}.timeline-dot.period{background:#7f77dd4d}.timeline-dot.fertile{background:#1d9e7540}.timeline-dot.ovulation{background:var(--teal)}.timeline-dot.today{outline:2px solid var(--purple);outline-offset:-2px}.range-bar-wrap{margin:24px 0 8px}.range-track{height:14px;background:#ededf8;border-radius:7px;position:relative;overflow:hidden}.range-fill{height:100%;background:linear-gradient(90deg,rgba(29,158,117,.5),var(--teal));border-radius:7px}.range-labels{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-top:6px}.range-marker{position:absolute;top:-3px;width:20px;height:20px;border-radius:50%;border:3px solid #fff;box-shadow:0 1px 4px #00000026}.range-marker.early{background:#1d9e7580}.range-marker.late{background:var(--teal)}.pregnancy-progress{margin:16px 0 8px}.pregnancy-bar{display:flex;border-radius:10px;overflow:hidden;height:36px}.preg-seg{display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.preg-seg.t1{background:var(--purple-light);color:var(--purple);flex:12}.preg-seg.t2{background:var(--teal-light);color:var(--teal);flex:14}.preg-seg.t3{background:var(--amber-light);color:var(--amber);flex:13}.preg-current{position:relative}.preg-current:after{content:"▲";position:absolute;top:-18px;left:50%;transform:translate(-50%);font-size:.65rem;color:var(--purple)}.share-row{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.share-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:50px;font-family:DM Sans,sans-serif;font-size:.875rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all var(--transition);border:none}.share-btn.copy{background:var(--purple-light);color:var(--purple);border:1px solid rgba(127,119,221,.3)}.share-btn.copy:hover{background:#7f77dd26}.share-btn.whatsapp{background:#25d366;color:#fff}.share-btn.whatsapp:hover{background:#1ebb59}.article-section{max-width:760px;margin:64px auto;padding:0 24px}.article-section h2{font-size:1.65rem;color:var(--text);margin:48px 0 16px;padding-top:8px}.article-section h2:first-child{margin-top:0}.article-section h3{font-size:1.2rem;color:var(--text);margin:28px 0 12px}.article-section p{color:var(--muted);margin-bottom:16px;font-size:.97rem;line-height:1.75}.article-section a{color:var(--purple);text-decoration:underline;text-underline-offset:3px}.article-section ul,.article-section ol{margin:12px 0 20px 20px;color:var(--muted);font-size:.97rem;line-height:1.8}.article-section li{margin-bottom:8px}.article-section strong{color:var(--text)}.callout{background:#fff;border:1.5px solid var(--border);border-radius:14px;padding:20px 24px;margin:24px 0}.callout p{margin-bottom:0}.info-box{border-left:4px solid var(--purple);border-radius:0 12px 12px 0;padding:16px 20px;margin:16px 0 24px;background:var(--purple-light)}.info-box.teal{background:var(--teal-light);border-left-color:var(--teal)}.info-box.amber{background:var(--amber-light);border-left-color:var(--amber)}.info-box.rose{background:#f4c0d133;border-left-color:#e87fa0}.info-box p{margin-bottom:0;color:var(--text);font-size:.95rem}.faq-section{max-width:760px;margin:0 auto 48px;padding:0 24px}.faq-section h2{font-size:1.65rem;margin-bottom:24px}.faq-item{border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden}.faq-question{width:100%;text-align:left;background:#fff;border:none;padding:18px 20px;font-family:DM Sans,sans-serif;font-size:.97rem;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:background var(--transition)}.faq-question:hover{background:var(--purple-light)}.faq-chevron{flex-shrink:0;font-size:1rem;color:var(--purple);transition:transform .25s}.faq-item.open .faq-chevron{transform:rotate(180deg)}.faq-answer{display:none;padding:0 20px 18px;font-size:.9rem;color:var(--muted);line-height:1.7;background:#fff}.faq-item.open .faq-answer{display:block}.faq-answer a{color:var(--purple)}.related-section{max-width:760px;margin:0 auto 48px;padding:0 24px}.related-section h2{font-size:1.4rem;margin-bottom:20px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;text-decoration:none;color:var(--text);transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition);display:flex;flex-direction:column;gap:8px}.related-card:hover{border-color:var(--purple);box-shadow:0 4px 20px #7f77dd1f;transform:translateY(-2px)}.related-card-title{font-family:Playfair Display,serif;font-size:1rem;font-weight:600;color:var(--text)}.related-card-desc{font-size:.82rem;color:var(--muted);line-height:1.5}.related-card-link{display:flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--purple);margin-top:auto}.disclaimer-bar{background:#f4c0d12e;border-top:1px solid rgba(244,192,209,.5);border-bottom:1px solid rgba(244,192,209,.5);padding:14px 24px;text-align:center;font-size:.82rem;color:var(--muted);line-height:1.5}footer{background:#f0eeff;border-top:1px solid var(--border);padding:48px 24px 24px}.footer-inner{max-width:1000px;margin:0 auto}.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-tagline{font-size:.85rem;color:var(--muted);margin:8px 0 16px}.footer-disclaimer{font-size:.78rem;color:var(--muted);line-height:1.6}.footer-col h4{font-family:DM 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a:hover{color:var(--purple)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-logo{display:flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:12px}.footer-logo-text{font-family:DM Sans,sans-serif;font-size:17px;font-weight:500;color:var(--text);letter-spacing:-.3px}.footer-logo-text span{color:var(--purple)}.footer-col-title{font-family:DM Sans,sans-serif;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:14px;display:block}.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}.footer-links a{text-decoration:none;color:var(--muted);font-size:.875rem;transition:color var(--transition)}.footer-links a:hover{color:var(--purple)}.footer-links li{font-size:.875rem;color:var(--muted)}.footer-desc{font-size:.82rem;color:var(--muted);line-height:1.6}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.text-purple{color:var(--purple)}.text-teal{color:var(--teal)}.text-muted{color:var(--muted)}.badge{display:inline-block;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:600;letter-spacing:.05em}.badge-purple{background:var(--purple-light);color:var(--purple)}.badge-teal{background:var(--teal-light);color:var(--teal)}@media(max-width:768px){.nav-links{display:none}.nav-links.open{display:flex;flex-direction:column;position:fixed;top:64px;left:0;right:0;background:#faf9fffa;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:16px 24px 24px;z-index:999;gap:4px}.nav-toggle{display:block}.dropdown-menu{position:static;box-shadow:none;border:none;background:transparent;padding:4px 0 4px 12px;display:none}.nav-dropdown.open .dropdown-menu{display:block}.input-grid,.results-grid{grid-template-columns:1fr}.result-card.full-width{grid-column:1}.calendar-grid-wrap,.related-grid{grid-template-columns:1fr}.footer-top,.footer-grid{grid-template-columns:1fr 1fr}.calc-card{padding:24px 20px}.hero{padding:88px 20px 32px}.article-section{margin:48px auto}.faq-section,.related-section{padding:0 16px}}@media(max-width:480px){.footer-top,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}.share-row{flex-direction:column}.share-btn{justify-content:center}.article-section,.calc-section{padding:0 16px}}