/*
Theme Name: Lead Titan Blog
Theme URI: https://leadtitan.ai/
Author: Lead Titan AI
Author URI: https://leadtitan.ai/
Description: Lead Titan AI blog theme — reproduces the leadtitan.ai static blog design (Outfit + Plus Jakarta Sans, navy/teal palette) natively in WordPress for blog.leadtitan.ai.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: leadtitan-blog
*/

/* ============================================================
   DESIGN TOKENS (from leadtitan.ai blog.html / post.html)
   ============================================================ */
:root {
  --bg-primary:#ffffff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;
  --border-color:#e2e8f0;--border-light:#f1f5f9;
  --text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--text-light:#94a3b8;
  --accent:#00bcd4;--accent-dark:#0097a7;--accent-darker:#00838f;--accent-light:#4dd0e1;--accent-lighter:#b2ebf2;--accent-bg:#e0f7fa;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,0.08),0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,0.08),0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-accent:0 4px 14px rgba(13,148,136,0.25);
  --shadow-accent-lg:0 6px 20px rgba(13,148,136,0.35);
  --radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:20px;
  --navy-950:#060e1a;--navy-900:#0a1628;--navy-800:#0d2137;--navy-700:#0e1f33;--navy-600:#091a2e;
  --teal-500:#00bcd4;--teal-400:#26c6da;--teal-glow:rgba(0,201,167,0.12);
  --amber-500:#f9a825;--red-400:#e53935;--emerald-500:#4caf50;--violet-500:#8b5cf6;
  --white:#ffffff;
  --gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;
  --gray-400:#b0b8c4;--gray-500:#8a94a6;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;
  --slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;
  --slate-400:#94a3b8;--slate-500:#8a94a6;--slate-600:#475569;--slate-700:#334155;
  --font-display:'Outfit',sans-serif;
  --font-body:'Plus Jakarta Sans',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scrollbar-gutter:stable}
body{font-family:var(--font-body);background:var(--navy-900);color:var(--gray-400);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}

.container{max-width:1160px;margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-dark{background:var(--navy-900)}
.section-darker{background:var(--navy-950)}
.section-light{background:var(--gray-50)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.12em;color:var(--teal-500);margin-bottom:18px}
.eyebrow::before{content:'';display:block;width:20px;height:1.5px;background:var(--teal-500);border-radius:2px;flex-shrink:0}
.eyebrow.dark{color:#00bcd4}
.eyebrow.dark::before{background:#00bcd4}

.heading-xl{font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3.25rem);font-weight:800;line-height:1.06;letter-spacing:-0.035em;color:var(--white)}
.heading-lg{font-family:var(--font-display);font-size:clamp(1.75rem,2.8vw,2.4rem);font-weight:800;line-height:1.1;letter-spacing:-0.03em;color:var(--white)}
.heading-lg.dark{color:var(--gray-900)}
.t-teal{color:var(--teal-500)}
.body-lg{font-size:1.05rem;line-height:1.75;color:var(--gray-400)}
.body-md{font-size:0.9375rem;line-height:1.7;color:var(--gray-400)}
.section-header{text-align:center;max-width:640px;margin:0 auto 64px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:0.9375rem;text-decoration:none;border-radius:8px;border:none;cursor:pointer;transition:all 0.18s ease;white-space:nowrap}
.btn-lg{padding:14px 28px}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{background:var(--teal-500);color:var(--navy-900)}
.btn-primary:hover{background:var(--teal-400);box-shadow:0 4px 20px rgba(0,201,167,0.35);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;color:var(--gray-300);border:1px solid rgba(255,255,255,0.15)}
.btn-ghost-light:hover{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.28);color:var(--white)}

/* ===== Archive Hero ===== */
.hero{position:relative;overflow:hidden;padding:140px 0 80px;background:var(--navy-950)}
.hero-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 55% 60% at 50% 20%,rgba(0,201,167,0.09) 0%,transparent 65%),radial-gradient(ellipse 40% 50% at 80% 60%,rgba(139,92,246,0.06) 0%,transparent 60%)}
.hero-grid{position:absolute;inset:0;pointer-events:none;opacity:0.4;background-image:linear-gradient(rgba(0,201,167,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,201,167,0.05) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,black 0%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,black 0%,transparent 75%)}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:700px;margin:0 auto}

/* Category pills */
.cat-pills{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:36px}
.cat-pill{padding:8px 18px;border-radius:100px;font-size:0.8125rem;font-weight:600;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);color:var(--gray-400);cursor:pointer;transition:all 0.18s;text-decoration:none}
.cat-pill:hover,.cat-pill.active{background:var(--teal-500);color:var(--navy-900);border-color:var(--teal-500)}

/* Featured post */
.featured-card{background:var(--navy-700);border:1px solid rgba(255,255,255,0.08);border-radius:16px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:0 24px 64px rgba(0,0,0,0.3);transition:all 0.2s;text-decoration:none}
.featured-card:hover{border-color:rgba(0,201,167,0.3);transform:translateY(-2px)}
.featured-img{background:linear-gradient(135deg,rgba(0,201,167,0.15),rgba(139,92,246,0.1));display:flex;align-items:center;justify-content:center;min-height:320px;padding:40px}
.featured-img img{width:100%;height:100%;object-fit:cover;display:block}
.featured-img-inner{width:100%;max-width:280px;background:var(--navy-800);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:24px}
.featured-img-line{height:8px;background:rgba(255,255,255,0.06);border-radius:4px;margin-bottom:10px}
.featured-img-line.short{width:60%}
.featured-img-line.teal{background:rgba(0,201,167,0.2);width:40%}
.featured-body{padding:40px;display:flex;flex-direction:column;justify-content:center}
.featured-tag{display:inline-flex;padding:4px 12px;border-radius:6px;font-size:0.7rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;background:rgba(0,201,167,0.12);color:var(--teal-500);margin-bottom:16px;width:fit-content}
.featured-title{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--white);line-height:1.2;letter-spacing:-0.02em;margin-bottom:14px}
.featured-excerpt{font-size:0.9375rem;color:var(--gray-400);line-height:1.7;margin-bottom:20px}
.featured-meta{display:flex;align-items:center;gap:16px;font-size:0.78rem;color:var(--gray-500)}
.featured-author{display:flex;align-items:center;gap:8px}
.featured-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--teal-500),#007a66);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.6rem;color:white;flex-shrink:0}
.featured-dot{width:3px;height:3px;border-radius:50%;background:var(--gray-600)}

/* Post grid */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--white);border:1px solid var(--gray-200);border-radius:14px;overflow:hidden;transition:all 0.2s;text-decoration:none;display:flex;flex-direction:column}
.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.post-img{height:160px;display:flex;align-items:center;justify-content:center;padding:24px}
.post-img img{width:100%;height:100%;object-fit:cover;display:block}
.post-img-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.post-img-icon svg{width:24px;height:24px}
.post-body{padding:24px;flex:1;display:flex;flex-direction:column}
.post-tag{display:inline-flex;padding:3px 10px;border-radius:5px;font-size:0.65rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:12px;width:fit-content}
.post-title{font-family:var(--font-display);font-size:1.05rem;font-weight:700;color:var(--gray-900);line-height:1.3;margin-bottom:10px}
.post-excerpt{font-size:0.8125rem;color:var(--gray-500);line-height:1.6;margin-bottom:20px;flex:1}
.post-meta{display:flex;align-items:center;gap:12px;font-size:0.75rem;color:var(--gray-400);padding-top:16px;border-top:1px solid var(--gray-100)}
.post-meta-dot{width:3px;height:3px;border-radius:50%;background:var(--gray-300)}

/* Newsletter */
.newsletter{background:var(--navy-700);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:48px;text-align:center;max-width:640px;margin:0 auto}
.newsletter-title{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--white);margin-bottom:10px}
.newsletter-desc{font-size:0.9375rem;color:var(--gray-400);margin-bottom:24px}
.newsletter-form{display:flex;gap:10px;max-width:420px;margin:0 auto}
.newsletter-input{flex:1;padding:12px 16px;border-radius:8px;background:var(--navy-800);border:1px solid rgba(255,255,255,0.1);color:var(--white);font-size:0.875rem;font-family:var(--font-body);outline:none;transition:border-color 0.2s}
.newsletter-input::placeholder{color:var(--gray-500)}
.newsletter-input:focus{border-color:rgba(0,201,167,0.4)}
.newsletter-note{font-size:0.72rem;color:var(--gray-500);margin-top:12px}

/* Categories grid */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{background:var(--white);border:1px solid var(--gray-200);border-radius:12px;padding:24px;text-align:center;transition:all 0.2s;text-decoration:none}
.cat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#00bcd4}
.cat-card-name{font-family:var(--font-display);font-weight:700;font-size:0.9375rem;color:var(--gray-900);margin-bottom:4px}
.cat-card-count{font-size:0.78rem;color:var(--gray-400)}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 14px;border-radius:8px;background:var(--white);border:1px solid var(--gray-200);color:var(--gray-700);text-decoration:none;font-weight:600;font-size:0.9rem;transition:all 0.18s}
.pagination .page-numbers:hover{border-color:var(--teal-500);color:var(--teal-500)}
.pagination .page-numbers.current{background:var(--teal-500);border-color:var(--teal-500);color:var(--navy-900)}
.pagination .page-numbers.dots{border:none;background:none}

/* ===== Single post ===== */
.post-hero{background:linear-gradient(180deg,var(--navy-900) 0%,var(--navy-800) 100%);padding:140px 24px 80px;position:relative;overflow:hidden}
.post-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(0,201,167,0.15),transparent),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(139,92,246,0.08),transparent);pointer-events:none}
.post-hero-inner{max-width:760px;margin:0 auto;text-align:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(0,201,167,0.15);border:1px solid rgba(0,201,167,0.3);border-radius:100px;font-size:13px;font-weight:600;color:var(--teal-500);margin-bottom:20px;text-decoration:none;transition:background 0.2s}
.hero-badge:hover{background:rgba(0,201,167,0.25)}
.post-hero h1{font-family:var(--font-display);font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.15;color:white;margin-bottom:20px}
.hero-meta{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--slate-300)}
.hero-meta-dot{width:4px;height:4px;border-radius:50%;background:var(--slate-500)}
.hero-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--teal-500),#007a66);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;color:white;vertical-align:middle;margin-right:8px}

.featured-image{max-width:900px;margin:-40px auto 0;position:relative;z-index:2;padding:0 24px}
.featured-image img{width:100%;border-radius:16px;box-shadow:0 24px 64px rgba(0,0,0,0.15);display:block}

.article{max-width:760px;margin:0 auto;padding:48px 24px 80px;background:#fff}
.article h2{font-family:var(--font-display);font-size:clamp(22px,3.5vw,30px);font-weight:700;color:var(--navy-800);margin:48px 0 20px;line-height:1.25}
.article h3{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--navy-800);margin:32px 0 12px}
.article h4{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--navy-800);margin:24px 0 10px}
.article p{font-size:17px;line-height:1.85;color:var(--slate-700);margin-bottom:20px}
.article ul,.article ol{margin:0 0 20px 24px;font-size:17px;line-height:1.85;color:var(--slate-700)}
.article li{margin-bottom:8px}
.article strong{color:var(--navy-800)}
.article img{max-width:100%;height:auto;border-radius:12px;margin:24px 0}
.article a{color:var(--teal-500);text-decoration:underline;text-underline-offset:3px}
.article a:hover{color:var(--accent-dark)}
.article .cta-btn{color:#fff;text-decoration:none}
.article .cta-btn:hover{color:#fff}
.article blockquote{border-left:4px solid var(--teal-500);background:var(--slate-50);padding:20px 24px;margin:24px 0;border-radius:0 12px 12px 0;font-style:italic}
.article pre{background:var(--navy-800);color:#e2e8f0;padding:20px 24px;border-radius:12px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.6}
.article code{background:var(--slate-100);padding:2px 6px;border-radius:4px;font-size:0.9em}
.article pre code{background:none;padding:0}
.article table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article th{background:var(--navy-800);color:white;padding:12px 16px;text-align:left;font-weight:600}
.article td{padding:12px 16px;border-bottom:1px solid var(--slate-200)}
.article figure{margin:24px 0}
.article figcaption{text-align:center;font-size:14px;color:var(--slate-500);margin-top:8px}
.article .wp-caption{max-width:100%}

.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--teal-500);font-size:14px;font-weight:600;text-decoration:none;margin-bottom:32px;transition:color 0.2s}
.back-link:hover{color:var(--accent-dark)}
.back-link svg{width:16px;height:16px}

/* Related posts */
.related-section{background:var(--slate-50);padding:80px 24px}
.related-inner{max-width:1160px;margin:0 auto}
.related-title{font-family:var(--font-display);font-size:24px;font-weight:800;color:var(--navy-800);text-align:center;margin-bottom:40px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:white;border:1px solid var(--gray-200);border-radius:14px;overflow:hidden;text-decoration:none;transition:all 0.2s;display:flex;flex-direction:column}
.related-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.related-card-img{height:140px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(0,188,212,0.08),rgba(139,92,246,0.06))}
.related-card-img img{width:100%;height:100%;object-fit:cover}
.related-card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.related-card-title{font-family:var(--font-display);font-size:0.95rem;font-weight:700;color:var(--navy-800);line-height:1.3;margin-bottom:8px}
.related-card-date{font-size:0.75rem;color:var(--slate-400);margin-top:auto}

/* CTA box */
.cta-box{background:linear-gradient(135deg,var(--navy-900),var(--navy-800));border-radius:16px;padding:48px;text-align:center;margin:48px 0 0}
.cta-box h3{font-family:var(--font-display);font-size:24px;font-weight:800;color:white;margin:0 0 12px}
.cta-box p{font-size:15px;color:var(--slate-300);margin:0 0 24px}
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:8px;border:none;background:var(--teal-500);color:#fff;font-family:var(--font-body);font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;transition:all 0.2s}
.cta-btn:hover{background:#26c6da;color:#fff;transform:translateY(-1px);box-shadow:0 4px 20px rgba(0,201,167,0.35)}

/* Page (static) content reuses .article styling on light bg */
.page-wrap{background:#fff;min-height:60vh}

/* Comments (kept minimal, on-brand) */
.comments-area{max-width:760px;margin:0 auto;padding:0 24px 80px;background:#fff}
.comments-area h2,.comments-area h3{font-family:var(--font-display);color:var(--navy-800)}
.comment-list{list-style:none;margin:24px 0;padding:0}
.comment-body{padding:16px 0;border-bottom:1px solid var(--slate-200)}
.comment-form input,.comment-form textarea{width:100%;padding:12px;border:1px solid var(--slate-200);border-radius:8px;font-family:var(--font-body);margin-bottom:12px}
.comment-form .submit{background:var(--teal-500);color:var(--navy-900);border:none;padding:12px 24px;border-radius:8px;font-weight:600;cursor:pointer}

/* Spinner */
.spinner{width:36px;height:36px;border:3px solid rgba(0,201,167,0.2);border-top-color:#00bcd4;border-radius:50%;animation:spin 0.7s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* WCAG Focus */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #00bcd4;outline-offset:2px}

/* WP core alignment helpers */
.aligncenter{display:block;margin-left:auto;margin-right:auto}
.alignright{float:right;margin:0 0 1em 1em}
.alignleft{float:left;margin:0 1em 1em 0}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);word-wrap:normal!important}

/* Responsive */
@media (max-width:1024px){.posts-grid{grid-template-columns:repeat(2,1fr)}.cat-grid{grid-template-columns:repeat(2,1fr)}.related-grid{grid-template-columns:1fr}}
@media (max-width:860px){.featured-card{grid-template-columns:1fr}.featured-img{min-height:200px}}
@media (max-width:640px){.section{padding:72px 0}.container{padding:0 24px}.posts-grid{grid-template-columns:1fr}.cat-grid{grid-template-columns:1fr}.newsletter-form{flex-direction:column}}