/* Layout */
.page-wrap { max-width:1100px; margin:0 auto; padding:32px 16px 60px; display:grid; grid-template-columns:1fr 268px; gap:24px; align-items:start; }
.page-title { font-size:1.45rem; font-weight:700; color:var(--heading); margin:0 0 4px; }
.page-subtitle { font-size:0.875rem; color:var(--textcolor); margin:0 0 20px; }

/* Breadcrumb */
.breadcrumb-bar { background:var(--bg); border-bottom:1px solid var(--border); padding:10px 20px; font-size:0.8rem; color:var(--textcolor); }
.breadcrumb-bar a { color:#00AAFE; text-decoration:none; }
.breadcrumb-bar a:hover { text-decoration:underline; }

/* Card */
.card-dark { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:24px; }

/* Form */
.form-label-dark { font-size:0.78rem; font-weight:600; color:#9ca3af; text-transform:uppercase; letter-spacing:.05em; margin-bottom:6px; display:block; }
.input-group-dark { display:flex; align-items:center; background:var(--bg); border:1px solid var(--input-border); border-radius:8px; overflow:hidden; transition:border-color .15s,box-shadow .15s; }
.input-group-dark:focus-within { border-color:#00AAFE; box-shadow:0 0 0 3px rgba(0,170,254,.15); }
.form-input-dark { flex:1; padding:11px 13px; font-size:0.9rem; font-family:'Inter',sans-serif; color:var(--input-color); background:transparent; border:none; outline:none; min-width:0; }
.calc-btn { width:100%; padding:13px; font-size:0.95rem; font-weight:700; color:#fff; background:linear-gradient(90deg, #00AAFE, #005CFB); border:none; border-radius:10px; cursor:pointer; transition:opacity .15s; margin-top:4px; }
.calc-btn:hover { opacity:.9; }

/* Result Hero */
.result-hero { background:linear-gradient(90deg, rgba(0,170,254,.12), rgba(0,92,251,.08)); border:1px solid rgba(0,170,254,.25); border-radius:14px; padding:28px 24px; text-align:center; margin-bottom:20px; }
.result-hero-label { font-size:0.75rem; color:#9ca3af; text-transform:uppercase; letter-spacing:.07em; margin-bottom:10px; }
.age-big { display:flex; justify-content:center; align-items:flex-end; gap:20px; flex-wrap:wrap; margin-bottom:10px; }
.age-unit { display:flex; flex-direction:column; align-items:center; }
.age-num { font-size:clamp(2.4rem,8vw,3.8rem); font-weight:700; color:var(--heading); line-height:1; letter-spacing:-2px; }
.age-num.grad { background:linear-gradient(90deg, #00AAFE, #005CFB); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.age-lbl { font-size:0.72rem; color:var(--textcolor); margin-top:4px; text-transform:uppercase; letter-spacing:.05em; }
.age-sep { font-size:2rem; color:var(--card-hover-border); margin-bottom:14px; }
.birthday-note { font-size:0.8rem; color:var(--textcolor); margin-top:6px; }
.birthday-note span { color:#00AAFE; font-weight:600; }

/* Stat Grid */
.stat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:20px; }
.stat-box { background:var(--bg); border:1px solid var(--border); border-radius:10px; padding:14px 12px; text-align:center; }
.stat-box-num { font-size:1.25rem; font-weight:700; color:var(--heading); letter-spacing:-0.5px; }
.stat-box-label { font-size:0.68rem; color:var(--textcolor); text-transform:uppercase; letter-spacing:.05em; margin-top:3px; }

/* Timeline */
.timeline-wrap { margin-bottom:0; }
.timeline-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.timeline-title { font-size:0.82rem; font-weight:600; color:var(--input-color); }
.timeline-pct { font-size:0.78rem; color:#00AAFE; font-weight:600; }
.timeline-track { background:var(--border); border-radius:999px; height:8px; overflow:hidden; margin-bottom:6px; }
.timeline-fill { height:100%; border-radius:999px; background:linear-gradient(90deg, #00AAFE, #005CFB); transition:width .6s ease; }
.timeline-dates { display:flex; justify-content:space-between; font-size:0.7rem; color:#4b5563; }

/* Upcoming */
.upcoming-card { background:var(--bg); border:1px solid var(--border); border-radius:10px; padding:14px 16px; display:flex; align-items:center; gap:14px; margin-bottom:10px; }
.upcoming-icon { font-size:1.4rem; flex-shrink:0; width:40px; text-align:center; }
.upcoming-label { font-size:0.82rem; font-weight:600; color:var(--input-color); }
.upcoming-sub { font-size:0.72rem; color:var(--textcolor); margin-top:2px; }
.upcoming-days { margin-left:auto; font-size:0.78rem; font-weight:700; color:#00AAFE; white-space:nowrap; }

/* Fun Facts */
.fun-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.fun-box { background:var(--bg); border:1px solid var(--border); border-radius:10px; padding:13px 14px; }
.fun-box-num { font-size:1.05rem; font-weight:700; color:#00AAFE; }
.fun-box-label { font-size:0.72rem; color:var(--textcolor); margin-top:2px; }

/* Sidebar */
.sidebar-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:18px; margin-bottom:14px; }
.sidebar-title { font-size:0.72rem; font-weight:700; color:var(--textcolor); text-transform:uppercase; letter-spacing:.06em; margin-bottom:12px; }
.related-item { display:flex; align-items:center; gap:10px; padding:9px 0; border-bottom:1px solid var(--border); text-decoration:none; }
.related-item:last-child { border-bottom:none; padding-bottom:0; }
.related-icon { width:34px; height:34px; border-radius:8px; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-size:15px; }
.related-name { font-size:0.82rem; font-weight:600; color:var(--input-color); }
.related-desc { font-size:0.72rem; color:var(--textcolor); margin-top:1px; }
.did-you-know { font-size:0.8rem; color:var(--textcolor); line-height:1.6; margin:0 0 8px; }
.did-you-know:last-child { margin:0; }
.did-you-know strong { color:#9ca3af; }

/* Share Bar */
.share-bar { max-width:1200px; margin:0 auto; padding:0 16px 48px; }
.share-inner { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.share-text-wrap { display:flex; flex-direction:column; gap:2px; }
.share-heading { font-size:0.88rem; font-weight:700; color:var(--input-color); }
.share-sub { font-size:0.76rem; color:var(--textcolor); }
.share-btns { display:flex; gap:8px; flex-wrap:wrap; }
.share-btn { display:inline-flex; align-items:center; gap:7px; padding:9px 16px; border-radius:8px; font-size:0.82rem; font-weight:700; text-decoration:none; border:none; cursor:pointer; transition:opacity .15s, transform .12s; white-space:nowrap; }
.share-btn:hover { opacity:.88; transform:translateY(-1px); }
.share-btn-tw { background:#000; color:#fff; }
.share-btn-fb { background:#1877f2; color:#fff; }
.share-btn-wa { background:#25d366; color:#fff; }
.share-btn svg { width:15px; height:15px; fill:currentColor; flex-shrink:0; }

/* ── Blog / FAQ ── */
.blog-section { max-width:1200px; margin:0 auto; padding:0 16px 72px; }
.blog-section-header { display:flex; align-items:center; gap:12px; margin-bottom:28px; }
.blog-section-badge { font-size:0.68rem; font-weight:700; color:#00AAFE; text-transform:uppercase; letter-spacing:.1em; background:rgba(0,170,254,.1); border:1px solid rgba(0,170,254,.22); border-radius:20px; padding:4px 12px; }
.blog-section-title { font-size:1.2rem; font-weight:700; color:var(--heading); margin:0; }
.blog-intro { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:22px 24px; margin-bottom:24px; font-size:0.9rem; color:#9ca3af; line-height:1.75; }
.blog-intro strong { color:var(--input-color); }
.blog-intro p { margin:0 0 12px; }
.blog-intro p:last-child { margin-bottom:0; }
.blog-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:24px; }
.blog-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px 22px; }
.blog-card-icon { width:36px; height:36px; border-radius:9px; background:rgba(0,170,254,.13); border:1px solid rgba(0,170,254,.2); display:flex; align-items:center; justify-content:center; font-size:17px; margin-bottom:13px; }
.blog-card h3 { font-size:0.92rem; font-weight:700; color:var(--heading); margin:0 0 8px; }
.blog-card p { font-size:0.82rem; color:var(--textcolor); line-height:1.7; margin:0; }
.blog-card ul { font-size:0.82rem; color:var(--textcolor); line-height:1.7; margin:8px 0 0; padding-left:18px; }
.blog-card ul li { margin-bottom:4px; }
.blog-card ul li strong { color:#9ca3af; }
.faq-section-label { font-size:0.72rem; font-weight:700; color:var(--textcolor); text-transform:uppercase; letter-spacing:.08em; margin:0 0 14px; }
.faq-item { border:1px solid var(--border); border-radius:10px; margin-bottom:8px; overflow:hidden; background:var(--bg2); transition:border-color .18s; }
.faq-item.open { border-color:rgba(0,170,254,.3); }
.faq-q { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:15px 18px; cursor:pointer; user-select:none; }
.faq-q-text { font-size:0.88rem; font-weight:600; color:var(--input-color); line-height:1.4; }
.faq-icon { flex-shrink:0; width:22px; height:22px; border-radius:6px; background:rgba(0,170,254,.1); border:1px solid rgba(0,170,254,.2); display:flex; align-items:center; justify-content:center; transition:background .18s; }
.faq-icon svg { width:10px; height:10px; stroke:#00AAFE; stroke-width:2.5; fill:none; transition:transform .22s; }
.faq-item.open .faq-icon { background:rgba(0,170,254,.2); }
.faq-item.open .faq-icon svg { transform:rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .28s ease; }
.faq-a-inner { padding:0 18px 15px; font-size:0.84rem; color:var(--textcolor); line-height:1.75; border-top:1px solid var(--border); padding-top:13px; }
.faq-item.open .faq-a { max-height:500px; }
.faq-a-inner strong { color:#9ca3af; }
.hidden { display:none !important; }

/* ── Responsive ── */
@media (max-width:900px) {
  .page-wrap { grid-template-columns:1fr; }
  .sidebar { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .sidebar-card { margin-bottom:0; }
}
@media (max-width:700px) {
  .nav-links { display:none; }
  .hamburger { display:flex; }
  .page-wrap { padding:20px 14px 48px; }
  .page-title { font-size:1.25rem; }
  .blog-section { padding:0 14px 56px; }
  .stat-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:580px) {
  .sidebar { grid-template-columns:1fr; }
}
@media (max-width:400px) {
  .stat-grid { grid-template-columns:1fr; }
  .fun-grid { grid-template-columns:1fr; }
  .card-dark { padding:16px; }
}