/*
Theme Name: Glucosamina MX
Theme URI: https://glucosamina.mx
Description: Tema especializado en glucosamina y salud articular para México
Version: 1.0.0
Author: Glucosamina MX
Text Domain: glucosamina-mx
*/

/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --navy:#1B3A5C;
  --navy-light:#264d75;
  --navy-dark:#122840;
  --mint:#48BF84;
  --mint-light:#5ed69a;
  --mint-dark:#3a9d6c;
  --white:#FFFFFF;
  --off-white:#F7F9FB;
  --gray-100:#EEF1F5;
  --gray-200:#D8DDE5;
  --gray-300:#B0B8C5;
  --gray-600:#5A6577;
  --gray-800:#2D3748;
  --text:#2D3748;
  --font-sans:'Work Sans',sans-serif;
  --font-serif:'Vollkorn',serif;
  --max-w:1140px;
  --radius:8px;
  --shadow:0 2px 12px rgba(27,58,92,.08);
  --transition:all .25s ease;
}

html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-sans);color:var(--text);background:var(--white);line-height:1.7}

img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--mint)}

h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--navy);line-height:1.3;margin-bottom:.6em}
h1{font-size:2.4rem;font-weight:700}
h2{font-size:1.9rem;font-weight:600}
h3{font-size:1.5rem;font-weight:600}
h4{font-size:1.25rem;font-weight:600}

p{margin-bottom:1.2em}
ul,ol{margin:0 0 1.2em 1.4em}
li{margin-bottom:.4em}

.container{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ===== HEADER ===== */
.site-header{background:var(--navy);padding:0;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.5rem;max-width:var(--max-w);margin:0 auto}
.site-logo{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--white)}
.site-logo span{color:var(--mint)}

/* Nav */
.main-nav ul{list-style:none;display:flex;gap:.2rem;margin:0;padding:0}
.main-nav a{color:rgba(255,255,255,.85);font-size:.92rem;font-weight:500;padding:.5rem .85rem;border-radius:var(--radius);transition:var(--transition)}
.main-nav a:hover,.main-nav .current-menu-item a{color:var(--white);background:rgba(255,255,255,.12)}

/* Mobile nav */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);margin:5px 0;transition:var(--transition)}

@media(max-width:768px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:var(--navy-dark);padding:1rem;display:none}
  .main-nav.active{display:block}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav a{display:block;padding:.7rem 1rem;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08)}
}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:var(--white);padding:4.5rem 1.5rem 4rem;text-align:center}
.hero h1{color:var(--white);font-size:2.6rem;margin-bottom:.5em;max-width:800px;margin-left:auto;margin-right:auto}
.hero p{font-size:1.15rem;opacity:.9;max-width:640px;margin:0 auto 1.8em}
.hero .btn{font-size:1.05rem;padding:.85rem 2.2rem}

/* ===== BUTTONS ===== */
.btn{display:inline-block;font-family:var(--font-sans);font-weight:600;padding:.7rem 1.8rem;border-radius:var(--radius);transition:var(--transition);cursor:pointer;border:none;font-size:.95rem}
.btn-primary{background:var(--mint);color:var(--white)}
.btn-primary:hover{background:var(--mint-dark);color:var(--white)}
.btn-outline{border:2px solid var(--mint);color:var(--mint)}
.btn-outline:hover{background:var(--mint);color:var(--white)}

/* ===== SECTIONS ===== */
.section{padding:4rem 0}
.section-alt{background:var(--off-white)}
.section-title{text-align:center;margin-bottom:2.5rem}
.section-title h2{margin-bottom:.4em}
.section-title p{color:var(--gray-600);font-size:1.05rem;max-width:600px;margin:0 auto}

/* ===== CARDS ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.8rem}
.card{background:var(--white);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--gray-100)}
.card:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(27,58,92,.12)}
.card h3{font-size:1.25rem;margin-bottom:.6em}
.card h3 a{color:var(--navy)}
.card h3 a:hover{color:var(--mint)}
.card p{color:var(--gray-600);font-size:.95rem;margin-bottom:1em}
.card .read-more{color:var(--mint);font-weight:600;font-size:.9rem}

/* Features grid on front page */
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}
.feature-item{text-align:center;padding:2rem 1.5rem}
.feature-icon{font-size:2.5rem;margin-bottom:1rem}
.feature-item h3{font-size:1.15rem;margin-bottom:.5em}
.feature-item p{color:var(--gray-600);font-size:.93rem}

/* ===== CONTENT ===== */
.content-area{padding:3rem 0}
.content-wrapper{display:grid;grid-template-columns:1fr 320px;gap:3rem;align-items:start}
@media(max-width:900px){.content-wrapper{grid-template-columns:1fr}}

.entry-header{margin-bottom:2rem}
.entry-header h1{font-size:2.2rem;margin-bottom:.3em}
.entry-meta{color:var(--gray-600);font-size:.88rem}

.entry-content{font-size:1.02rem;line-height:1.8}
.entry-content h2{margin-top:2rem;padding-bottom:.4rem;border-bottom:2px solid var(--gray-100)}
.entry-content h3{margin-top:1.6rem}
.entry-content ul,.entry-content ol{margin-left:1.6em}
.entry-content blockquote{border-left:4px solid var(--mint);padding:1rem 1.5rem;margin:1.5rem 0;background:var(--off-white);border-radius:0 var(--radius) var(--radius) 0;font-style:italic}
.entry-content table{width:100%;border-collapse:collapse;margin:1.5rem 0}
.entry-content th,.entry-content td{padding:.7rem 1rem;text-align:left;border-bottom:1px solid var(--gray-200)}
.entry-content th{background:var(--off-white);font-weight:600;color:var(--navy)}

/* ===== SIDEBAR ===== */
.sidebar .widget{background:var(--off-white);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}
.sidebar .widget h4{font-size:1.05rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--mint)}
.sidebar .widget ul{list-style:none;padding:0;margin:0}
.sidebar .widget li{padding:.4rem 0;border-bottom:1px solid var(--gray-200)}
.sidebar .widget li:last-child{border:none}
.sidebar .widget a{font-size:.92rem}

/* CTA Box */
.cta-box{background:linear-gradient(135deg,var(--navy),var(--navy-light));color:var(--white);border-radius:var(--radius);padding:2rem;text-align:center}
.cta-box h4{color:var(--white);margin-bottom:.5em}
.cta-box p{font-size:.93rem;opacity:.9;margin-bottom:1.2em}

/* ===== PAGINATION ===== */
.pagination{display:flex;justify-content:center;gap:.5rem;padding:2rem 0}
.pagination a,.pagination span{padding:.5rem 1rem;border-radius:var(--radius);border:1px solid var(--gray-200);font-size:.9rem}
.pagination .current{background:var(--navy);color:var(--white);border-color:var(--navy)}

/* ===== BREADCRUMBS ===== */
.breadcrumbs{padding:1rem 0;font-size:.85rem;color:var(--gray-600)}
.breadcrumbs a{color:var(--gray-600)}
.breadcrumbs a:hover{color:var(--mint)}
.breadcrumbs .sep{margin:0 .4rem}

/* ===== FOOTER ===== */
.site-footer{background:var(--navy-dark);color:rgba(255,255,255,.7);padding:3rem 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:2rem;margin-bottom:2rem}
.footer-col h4{color:var(--white);font-family:var(--font-serif);font-size:1.05rem;margin-bottom:1rem}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:.4rem}
.footer-col a{color:rgba(255,255,255,.7);font-size:.9rem}
.footer-col a:hover{color:var(--mint)}
.footer-col p{font-size:.9rem;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.2rem 0;text-align:center;font-size:.82rem}

/* ===== CONTACT FORM ===== */
.contact-form{max-width:600px}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;font-weight:500;margin-bottom:.3rem;font-size:.92rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:.7rem 1rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-family:var(--font-sans);font-size:.95rem;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(72,191,132,.15)}
.form-group textarea{min-height:140px;resize:vertical}

/* ===== SCHEMA INFO BOX ===== */
.info-box{background:var(--off-white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;margin:1.5rem 0}
.info-box.warning{border-color:#e2a84b;background:#fef9f0}
.info-box.tip{border-color:var(--mint);background:#f0faf5}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  h1{font-size:1.9rem}
  h2{font-size:1.5rem}
  .hero{padding:3rem 1.2rem 2.5rem}
  .hero h1{font-size:2rem}
  .section{padding:2.5rem 0}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .header-inner{padding:.7rem 1rem}
}