/* =====================================================
   Jointerra — Shared Design System for Blog & Pages
   Professional, clean, medical-grade design
   ===================================================== */

/* === Design Tokens === */
:root{
  --primary:#2A7B9B;--primary-deep:#1A5F7A;--primary-mid:#3D9BBD;--primary-light:#6DB8D4;--primary-pale:#E8F4F8;
  --accent:#E8505B;--accent-dark:#D03A45;--accent-light:#F07078;--accent-pale:#FDE8EA;
  --gradient-cta:linear-gradient(135deg,#E8505B,#D03A45);
  --gradient-brand:linear-gradient(135deg,#2A7B9B,#E8505B);
  --gradient-subtle:linear-gradient(135deg,#E8F4F8,#FDE8EA);
  --white:#fff;--off-white:#F9FBFC;--gray-50:#F2F6F9;--gray-100:#E4EAF0;--gray-200:#CDD6E0;--gray-300:#A3B1BF;
  --text:#2B3A4E;--text-mid:#556270;--text-light:#7E8D9E;
  --radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;
  --shadow-sm:0 1px 3px rgba(43,58,78,.05);--shadow-md:0 4px 16px rgba(43,58,78,.07);--shadow-lg:0 8px 32px rgba(43,58,78,.1);--shadow-xl:0 16px 48px rgba(43,58,78,.12);
  --transition:all .25s cubic-bezier(.4,0,.2,1);
}

/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden;background:var(--white)}
h1,h2,h3,h4,h5{font-family:'Outfit',-apple-system,sans-serif;line-height:1.3;color:var(--text);font-weight:700}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 28px}

/* === Site Header === */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(228,234,240,.6);box-shadow:0 1px 12px rgba(0,0,0,.03);transition:var(--transition)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.site-header-logo{display:flex;align-items:center;gap:10px;font-family:'Outfit',sans-serif;font-weight:800;font-size:1.3rem;color:var(--primary-deep);text-decoration:none;letter-spacing:-.01em}
.site-header-logo img{border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.site-header-nav{display:flex;align-items:center;gap:28px}
.site-header-nav a{font-size:.88rem;font-weight:600;color:var(--text-mid);transition:var(--transition);position:relative}
.site-header-nav a:hover{color:var(--primary)}
.site-header-nav a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary);transition:width .3s;border-radius:1px}
.site-header-nav a:hover::after{width:100%}
.header-cta{background:var(--gradient-cta);color:var(--white)!important;padding:10px 24px;border-radius:var(--radius-full);font-weight:700;font-size:.85rem;border:none;cursor:pointer;display:inline-flex;align-items:center;text-decoration:none;transition:var(--transition);white-space:nowrap;box-shadow:0 2px 12px rgba(232,80,91,.2)}
.header-cta:hover{color:var(--white)!important;transform:translateY(-1px);box-shadow:0 4px 20px rgba(232,80,91,.35)}
.header-cta::after{display:none!important}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;z-index:101}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
body.modal-open{overflow:hidden}

/* === Page Hero Banner === */
.page-hero{background:linear-gradient(170deg,#f0f7fb 0%,#edf4f9 35%,#fdf2f3 65%,#f2f8fc 100%);padding:52px 0 44px;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-60px;right:-80px;width:300px;height:300px;background:radial-gradient(circle,rgba(232,80,91,.06) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.page-hero::after{content:'';position:absolute;bottom:-40px;left:-60px;width:250px;height:250px;background:radial-gradient(circle,rgba(42,123,155,.05) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.page-hero h1{font-size:2.1rem;font-weight:800;margin-bottom:12px;letter-spacing:-.02em;max-width:700px}
.page-hero p{color:var(--text-mid);font-size:1.05rem;max-width:650px;line-height:1.75}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-light);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--primary);font-weight:600;transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--gray-300)}

/* === Article Layout === */
.article-content{padding:56px 0 64px;background:var(--white)}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}

/* === Article Main === */
.article-main{max-width:none}
.article-main h2{font-size:1.45rem;font-weight:800;margin:40px 0 16px;color:var(--primary-deep);padding-bottom:10px;border-bottom:2px solid var(--gray-100);letter-spacing:-.01em}
.article-main h2:first-of-type{margin-top:0}
.article-main h3{font-size:1.12rem;font-weight:700;margin:28px 0 10px;color:var(--text);position:relative;padding-left:16px}
.article-main h3::before{content:'';position:absolute;left:0;top:2px;width:4px;height:calc(100% - 4px);background:var(--gradient-cta);border-radius:2px}
.article-main p{margin-bottom:18px;color:var(--text-mid);line-height:1.85;font-size:.95rem}
.article-main ul,.article-main ol:not(.toc ol){margin:0 0 20px 0;color:var(--text-mid);line-height:1.85;padding-left:0;list-style:none}
.article-main ul li,.article-main ol:not(.toc ol) li{margin-bottom:10px;padding:8px 12px 8px 36px;position:relative;font-size:.95rem;background:var(--off-white);border-radius:var(--radius-sm);border:1px solid var(--gray-100);transition:var(--transition)}
.article-main ul li:hover,.article-main ol:not(.toc ol) li:hover{border-color:var(--primary-pale);background:var(--primary-pale)}
.article-main ul li::before{content:'';position:absolute;left:14px;top:16px;width:6px;height:6px;background:var(--accent);border-radius:50%}
.article-main ol:not(.toc ol){counter-reset:article-ol}
.article-main ol:not(.toc ol) li{counter-increment:article-ol}
.article-main ol:not(.toc ol) li::before{content:counter(article-ol);position:absolute;left:10px;top:8px;width:20px;height:20px;background:var(--primary);color:var(--white);border-radius:50%;font-size:.7rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.article-main strong{color:var(--text);font-weight:700}

/* Blockquote */
.article-main blockquote{border-left:4px solid var(--accent);padding:20px 24px;margin:24px 0;background:linear-gradient(135deg,#fef8f8,#fde8ea);border-radius:0 var(--radius-lg) var(--radius-lg) 0;font-style:italic;color:var(--text-mid);font-size:.95rem;line-height:1.8;position:relative}
.article-main blockquote::before{content:'"';position:absolute;top:8px;left:12px;font-size:2.5rem;font-family:Georgia,serif;color:var(--accent-light);line-height:1;opacity:.5}

/* Article Meta */
.article-meta{display:flex;align-items:center;gap:12px;font-size:.82rem;color:var(--text-light);margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--gray-100);flex-wrap:wrap}
.article-tag{display:inline-flex;align-items:center;gap:4px;background:var(--primary-pale);color:var(--primary);padding:5px 14px;border-radius:var(--radius-full);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}

/* === Table of Contents === */
.toc{background:var(--gray-50);border:1.5px solid var(--gray-100);border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:32px}
.toc h4{font-size:.82rem;font-weight:700;margin-bottom:12px;color:var(--primary-deep);text-transform:uppercase;letter-spacing:.05em}
.toc ol{margin:0;padding-left:0;list-style:none;counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:2px}
.toc li a{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-mid);font-weight:500;font-size:.86rem;transition:var(--transition);text-decoration:none}
.toc li a::before{content:counter(toc);font-family:'Outfit',sans-serif;font-size:.68rem;font-weight:800;color:var(--primary);background:var(--primary-pale);min-width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;line-height:1}
.toc li a:hover{background:var(--white);color:var(--primary)}
.toc li a:hover::before{background:var(--primary);color:var(--white)}

/* === CTA Box Inline === */
.cta-box{background:var(--white);border-radius:var(--radius-xl);padding:32px;margin:36px 0;text-align:center;border:1.5px solid var(--gray-100);position:relative;overflow:hidden;box-shadow:var(--shadow-md)}
.cta-box::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-cta)}
.cta-box::after{content:'';position:absolute;bottom:-40px;right:-40px;width:160px;height:160px;background:radial-gradient(circle,rgba(232,80,91,.06) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.cta-box h3{font-size:1.2rem;margin-bottom:8px;color:var(--text)}
.cta-box p{color:var(--text-mid);font-size:.92rem;margin-bottom:20px;line-height:1.7;max-width:480px;margin-left:auto;margin-right:auto}
.cta-box .btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;border-radius:var(--radius-full);font-family:'Outfit',sans-serif;font-weight:700;font-size:.95rem;border:none;cursor:pointer;background:var(--gradient-cta);color:var(--white);text-decoration:none;transition:var(--transition);box-shadow:0 4px 20px rgba(232,80,91,.25);animation:ctaPulse 3s ease-in-out infinite}
.cta-box .btn-cta:hover{transform:translateY(-2px);color:var(--white);box-shadow:0 6px 28px rgba(232,80,91,.35)}
@keyframes ctaPulse{0%,100%{box-shadow:0 4px 20px rgba(232,80,91,.25)}50%{box-shadow:0 4px 32px rgba(232,80,91,.4)}}

/* === Sidebar === */
.sidebar{position:sticky;top:88px}

/* Sidebar Product Card */
.sidebar-product{text-align:center;padding:28px 20px;background:var(--white);border-radius:var(--radius-xl);margin-bottom:20px;border:1.5px solid var(--gray-100);box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.sidebar-product::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-cta)}
.sidebar-product img{margin:0 auto 16px;max-width:100px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.1));transition:var(--transition)}
.sidebar-product:hover img{transform:scale(1.04)}
.sidebar-product h4{font-size:.95rem;font-weight:700;margin-bottom:4px;color:var(--text)}
.sidebar-product .price{font-family:'Outfit',sans-serif;font-size:1.7rem;font-weight:800;color:var(--accent-dark);margin:8px 0}
.sidebar-product .price-old{font-size:.88rem;color:var(--text-light);text-decoration:line-through;margin-left:6px;font-weight:400}
.sidebar-product .price-badge{display:inline-block;background:var(--gradient-cta);color:var(--white);padding:3px 10px;border-radius:var(--radius-full);font-size:.68rem;font-weight:800;margin-bottom:8px}
.sidebar-product p{font-size:.8rem;color:var(--text-mid);line-height:1.5;margin:8px 0 0}
.sidebar-product .btn-sm{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 28px;border-radius:var(--radius-full);font-family:'Outfit',sans-serif;font-weight:700;font-size:.88rem;border:none;cursor:pointer;background:var(--gradient-cta);color:var(--white);margin-top:14px;text-decoration:none;transition:var(--transition);box-shadow:0 4px 16px rgba(232,80,91,.2);width:100%}
.sidebar-product .btn-sm:hover{transform:translateY(-1px);color:var(--white);box-shadow:0 6px 24px rgba(232,80,91,.3)}

/* Sidebar Card */
.sidebar-card{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius-xl);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.sidebar-card h4{font-size:.9rem;font-weight:700;margin-bottom:14px;color:var(--primary-deep);padding-bottom:10px;border-bottom:1px solid var(--gray-100);text-transform:uppercase;letter-spacing:.03em;font-size:.82rem}
.sidebar-links{list-style:none;padding:0}
.sidebar-links li{margin-bottom:4px}
.sidebar-links a{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;color:var(--text-mid);transition:var(--transition);border:1px solid transparent}
.sidebar-links a:hover{background:var(--primary-pale);color:var(--primary);border-color:rgba(42,123,155,.1)}
.sidebar-links a::before{content:'';display:inline-block;width:5px;height:5px;background:var(--gray-300);border-radius:50%;flex-shrink:0;transition:var(--transition)}
.sidebar-links a:hover::before{background:var(--primary)}

/* === Blog Grid === */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:48px}
.blog-card{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius-xl);overflow:hidden;transition:var(--transition);position:relative;box-shadow:var(--shadow-sm)}
.blog-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:rgba(42,123,155,.15)}
.blog-card-img{height:200px;background:var(--gray-50);display:flex;align-items:center;justify-content:center;font-size:3rem;overflow:hidden;position:relative}
.blog-card-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:40px;background:linear-gradient(transparent,var(--white));pointer-events:none}
.blog-card-body{padding:20px 22px 24px}
.blog-card-tag{display:inline-block;padding:4px 12px;border-radius:var(--radius-full);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px;background:var(--primary-pale);color:var(--primary)}
.blog-card-body h3{font-size:1.02rem;font-weight:700;margin-bottom:10px;line-height:1.4}
.blog-card-body h3 a{color:var(--text);text-decoration:none;transition:var(--transition)}
.blog-card-body h3 a:hover{color:var(--primary)}
.blog-card-body p{font-size:.85rem;color:var(--text-mid);line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.blog-card-meta{display:flex;align-items:center;gap:12px;font-size:.75rem;color:var(--text-light);padding-top:12px;border-top:1px solid var(--gray-100)}

/* === Page Content (static pages) === */
.page-content{padding:56px 0 64px}
.page-content h2{font-size:1.4rem;font-weight:800;margin:36px 0 14px;color:var(--primary-deep);padding-bottom:10px;border-bottom:2px solid var(--gray-100)}
.page-content h3{font-size:1.1rem;font-weight:700;margin:24px 0 10px;color:var(--text);padding-left:14px;border-left:3px solid var(--accent);position:relative}
.page-content p{margin-bottom:18px;color:var(--text-mid);line-height:1.85;font-size:.95rem}
.page-content ul{margin:0 0 20px 0;color:var(--text-mid);line-height:1.85;padding-left:0;list-style:none}
.page-content ul li{margin-bottom:8px;padding:8px 12px 8px 32px;position:relative;font-size:.95rem;background:var(--off-white);border-radius:var(--radius-sm);border:1px solid var(--gray-100)}
.page-content ul li::before{content:'';position:absolute;left:14px;top:16px;width:6px;height:6px;background:var(--accent);border-radius:50%}
.narrow{max-width:780px;margin:0 auto}

/* === Footer === */
.site-footer{background:linear-gradient(180deg,var(--primary-deep) 0%,#143e52 100%);color:rgba(255,255,255,.8);padding:56px 0 28px;position:relative}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-cta)}
.site-footer .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr 1fr;gap:32px;margin-bottom:36px}
.site-footer h4{color:var(--white);font-size:.92rem;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.site-footer p,.site-footer a{font-size:.88rem;color:rgba(255,255,255,.75);line-height:1.75}
.site-footer a{transition:var(--transition)}
.site-footer a:hover{color:var(--white)}
.site-footer ul{list-style:none;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer li a{display:flex;align-items:center;gap:6px}
.site-footer li a::before{content:'';display:inline-block;width:4px;height:4px;background:rgba(255,255,255,.4);border-radius:50%;transition:var(--transition)}
.site-footer li a:hover::before{background:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:.8rem;color:rgba(255,255,255,.5)}
.footer-disclaimer{font-size:.72rem;color:rgba(255,255,255,.4);margin-top:12px;line-height:1.7;max-width:700px;margin-left:auto;margin-right:auto}

/* === Responsive === */
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr 280px;gap:36px}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:768px){
  .container{padding:0 20px}
  .hamburger{display:flex}
  .site-header-nav{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);flex-direction:column;padding:80px 24px;gap:20px;display:none;z-index:999;align-items:center;justify-content:center}
  .site-header-nav.open{display:flex}
  .site-header-nav a{font-size:1.1rem}
  .site-header-nav a::after{display:none}
  .article-layout{grid-template-columns:1fr;gap:40px}
  .sidebar{position:static}
  .blog-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}
  .page-hero{padding:36px 0 32px}
  .page-hero h1{font-size:1.55rem}
  .page-hero p{font-size:.95rem}
  .article-main h2{font-size:1.3rem;margin:32px 0 14px}
  .article-main h3{font-size:1.05rem}
  .toc{padding:20px 22px}
  .cta-box{padding:24px 20px}
  .cta-box .btn-cta{width:100%;justify-content:center}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-content{padding:40px 0 48px}
}
@media(max-width:480px){
  .page-hero h1{font-size:1.35rem}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:24px}
  .blog-grid{grid-template-columns:1fr}
  .article-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .sidebar-product .price{font-size:1.5rem}
}