*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;--bg2:#111118;--bg3:#18181f;--card:#16161e;
  --border:rgba(255,255,255,0.07);--accent:#6ee7b7;--accent2:#38bdf8;
  --text:#e8e8f0;--muted:#888899;--radius:16px;
  --font-head:'DM Serif Display',Georgia,serif;
  --font-body:'DM Sans',system-ui,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:opacity .2s}
a:hover{opacity:.8}
ul{list-style:none;padding:0}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
/* HEADER */
header{position:sticky;top:0;z-index:100;background:rgba(10,10,15,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.navbar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:1.05rem;flex-shrink:0}
.logo-svg{flex-shrink:0}
.logo-text{font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{padding:6px 14px;border-radius:8px;color:var(--muted);font-size:.88rem;font-weight:500;transition:all .2s}
.nav-link:hover,.nav-link.active{color:var(--text);background:var(--bg3);opacity:1}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
/* HERO */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 70% 50%,rgba(110,231,183,.06) 0%,transparent 70%),radial-gradient(ellipse 40% 60% at 20% 80%,rgba(56,189,248,.05) 0%,transparent 60%);pointer-events:none}
.hero .container{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;padding-top:60px;padding-bottom:60px}
.hero-content{animation:fadeUp .8s ease both}
.hero-badge{display:inline-block;background:rgba(110,231,183,.1);border:1px solid rgba(110,231,183,.2);color:var(--accent);padding:4px 14px;border-radius:100px;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}
.hero-content h1{font-family:var(--font-head);font-size:clamp(2.8rem,5vw,4.2rem);line-height:1.1;color:var(--text);margin-bottom:20px}
.hero-content h1 em{font-style:italic;color:var(--accent)}
.hero-content p{color:var(--muted);font-size:1.05rem;max-width:440px;margin-bottom:32px}
.hero-cta{display:inline-block;background:var(--accent);color:#0a0a0f;font-weight:700;padding:14px 32px;border-radius:12px;font-size:.95rem;transition:all .25s;opacity:1}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(110,231,183,.3);opacity:1}
.hero-visual{display:flex;align-items:center;justify-content:center;animation:fadeUp .8s .2s ease both}
.hero-clock{position:relative;width:260px;height:260px;display:flex;align-items:center;justify-content:center}
.clock-ring{position:absolute;inset:0;border-radius:50%;border:1.5px solid rgba(110,231,183,.2);animation:spinSlow 12s linear infinite}
.ring2{inset:20px;border-color:rgba(56,189,248,.15);animation-duration:18s;animation-direction:reverse}
.ring3{inset:40px;border-color:rgba(245,158,11,.12);animation-duration:24s}
.clock-ring::before{content:'';position:absolute;top:-4px;left:50%;transform:translateX(-50%);width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 10px var(--accent)}
.clock-center{position:relative;text-align:center;z-index:1}
.clock-center span{display:block;font-family:var(--font-head);font-size:2.2rem;color:var(--text);letter-spacing:.05em}
.clock-center small{color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em}
/* SECTION */
.section-label{color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.section-title{font-family:var(--font-head);font-size:clamp(2rem,3.5vw,2.8rem);color:var(--text);margin-bottom:48px;line-height:1.15}
/* CALCULATOR */
.calculator-section{padding:80px 0 100px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.calc-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:border-color .3s}
.calc-card:hover{border-color:rgba(110,231,183,.15)}
.card-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.card-icon{font-size:1.4rem}
.card-header h3{font-family:var(--font-head);font-size:1.3rem;color:var(--text)}
.card-desc{color:var(--muted);font-size:.9rem;margin-bottom:24px}
.date-selector{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:20px}
.select-group{display:flex;flex-direction:column;gap:6px}
.select-group label{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.select-group select{background:var(--bg3);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:10px 12px;font-family:var(--font-body);font-size:.95rem;cursor:pointer;width:100%;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;transition:border-color .2s}
.select-group select:focus{outline:none;border-color:var(--accent)}
.select-group select option{background:var(--bg2)}
.btn-calculate{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px 24px;background:var(--accent);color:#0a0a0f;border:none;border-radius:12px;font-family:var(--font-body);font-size:1rem;font-weight:700;cursor:pointer;transition:all .25s}
.btn-calculate:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(110,231,183,.25)}
.btn-calculate i{transition:transform .25s}
.btn-calculate:hover i{transform:translateX(4px)}
.error-msg{color:#f87171;font-size:.85rem;margin-top:8px;min-height:20px}
.result-primary{display:flex;flex-direction:column}
.big-age{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px 0}
.age-placeholder{font-family:var(--font-head);font-size:1.5rem;color:var(--muted);font-style:italic;line-height:1.4}
.age-years{font-family:var(--font-head);font-size:clamp(3rem,6vw,5rem);color:var(--accent);line-height:1;display:block;margin-bottom:8px}
.age-detail{font-size:1.05rem;color:var(--muted)}
.age-sub{color:var(--muted);font-size:.9rem;text-align:center;margin-bottom:16px}
.birthday-box{background:rgba(110,231,183,.06);border:1px solid rgba(110,231,183,.15);border-radius:12px;padding:14px 16px;font-size:.9rem;color:var(--accent);text-align:center;min-height:20px}
.breakdown-card{grid-column:1/-1}
.breakdown-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.breakdown-item{background:var(--bg3);border-radius:12px;padding:20px;text-align:center;border:1px solid var(--border);transition:all .3s}
.breakdown-item:hover{border-color:rgba(110,231,183,.2)}
.breakdown-item.highlight{border-color:rgba(110,231,183,.15);background:rgba(110,231,183,.04)}
.breakdown-value{font-family:var(--font-head);font-size:1.8rem;color:var(--accent);line-height:1.2;word-break:break-all}
.breakdown-label{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:4px}
/* INFO */
.info-section{padding:80px 0 100px;background:var(--bg2);border-top:1px solid var(--border)}
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:80px}
.info-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:transform .3s,border-color .3s}
.info-card:hover{transform:translateY(-4px);border-color:rgba(110,231,183,.15)}
.info-num{font-family:var(--font-head);font-size:2.5rem;color:rgba(110,231,183,.15);line-height:1;margin-bottom:12px}
.info-card h3{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:10px}
.info-card p{color:var(--muted);font-size:.9rem}
/* FAQ */
.faq-block{max-width:700px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:12px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--card);border:none;color:var(--text);font-family:var(--font-body);font-size:.95rem;font-weight:600;padding:18px 20px;cursor:pointer;text-align:left;gap:12px}
.faq-q i{flex-shrink:0;color:var(--accent);transition:transform .3s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;padding:0 20px;background:var(--bg3);color:var(--muted);font-size:.9rem;transition:max-height .35s ease,padding .35s ease}
.faq-item.open .faq-a{max-height:200px;padding:16px 20px}
/* BLOG SECTION ON HOMEPAGE */
.blog-section{padding:80px 0 100px}
.blog-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:0}
.blog-section-head .section-title{margin-bottom:0}
.view-all-btn{background:rgba(110,231,183,.1);border:1px solid rgba(110,231,183,.2);color:var(--accent);padding:8px 20px;border-radius:10px;font-size:.85rem;font-weight:700;transition:all .2s;opacity:1;margin-bottom:48px}
.view-all-btn:hover{background:rgba(110,231,183,.18);opacity:1}
.hblog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hblog-card{display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .25s;opacity:1}
.hblog-card:hover{border-color:rgba(110,231,183,.2);transform:translateY(-3px);opacity:1}
.hblog-cat{font-size:.72rem;color:var(--accent);text-transform:uppercase;letter-spacing:.09em;font-weight:700}
.hblog-card h3{font-family:var(--font-head);font-size:1.05rem;color:var(--text);line-height:1.35}
.hblog-card p{color:var(--muted);font-size:.85rem;line-height:1.6;flex:1}
.hblog-rt{color:var(--accent);font-size:.82rem;font-weight:700;margin-top:4px}
/* FOOTER */
footer{background:var(--bg);border-top:1px solid var(--border);padding:56px 0 28px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:36px}
.footer-brand{display:flex;flex-direction:column;gap:0}
.footer-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand-name{font-size:1.05rem;font-weight:700;color:var(--text)}
.footer-brand p{color:var(--muted);font-size:.86rem;max-width:240px}
.footer-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700;margin-bottom:14px}
.footer-col ul li{padding:3px 0}
.footer-col ul li a{color:var(--muted);font-size:.86rem;transition:color .2s;opacity:1}
.footer-col ul li a:hover{color:var(--text)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:22px;border-top:1px solid var(--border);color:var(--muted);font-size:.8rem}
/* POPUPS */
.popup-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(4px);z-index:200}
.popup-backdrop.active{display:block}
.popup-overlay{display:none;position:fixed;inset:0;z-index:210;align-items:center;justify-content:center;padding:20px}
.popup-overlay.active{display:flex}
.popup-box{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:40px;max-width:560px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:popIn .3s ease}
.popup-box h2{font-family:var(--font-head);font-size:1.8rem;color:var(--text);margin-bottom:16px}
.popup-box p{color:var(--muted);font-size:.92rem;line-height:1.7}
.popup-close{position:absolute;top:14px;right:14px;background:var(--bg3);border:1px solid var(--border);color:var(--muted);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:.9rem;display:flex;align-items:center;justify-content:center;transition:all .2s}
.popup-close:hover{background:#f87171;color:white;border-color:#f87171}
/* SCROLLBAR */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:4px}
/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes spinSlow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes popIn{from{opacity:0;transform:scale(.94) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}
@keyframes countUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:countUp .4s ease both}
/* RESPONSIVE */
@media(max-width:900px){
  .hero .container{grid-template-columns:1fr;text-align:center;gap:40px}
  .hero-content p{margin:0 auto 32px}
  .calc-grid{grid-template-columns:1fr}
  .breakdown-card{grid-column:auto}
  .breakdown-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .hblog-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:620px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--border);flex-direction:column;padding:12px 16px;gap:4px}
  .nav-links.open{display:flex}
  .mobile-menu-btn{display:flex}
  .hero-content h1{font-size:2.4rem}
  .hero-clock{width:200px;height:200px}
  .date-selector{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .hblog-grid{grid-template-columns:1fr}
  .breakdown-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .blog-section-head{flex-direction:column;align-items:flex-start;gap:12px}
}