/*
Theme Name: All About Kidneys
Author: All About Kidneys
Description: Patient-first kidney education website for Dr. Sagar Gupta.
Version: 8.0
*/
:root{--navy:#102f57;--teal:#149a9a;--ink:#24364b;--muted:#63758a;--pale:#f1f8fa;--line:#dfe9ef;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}
a{text-decoration:none;color:inherit}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.container{width:min(1180px,92%);margin:0 auto}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{font-size:25px;font-weight:800;letter-spacing:-.4px;color:var(--navy);white-space:nowrap}
.brand span{color:var(--teal)}
.main-nav{display:flex;align-items:center;gap:21px;font-weight:700;font-size:14px}
.main-nav a:not(.cta):hover{color:var(--teal)}
.cta{background:var(--navy);color:#fff!important;padding:11px 17px;border-radius:8px}
.mobile-toggle{display:none;border:0;background:none;color:var(--navy);font-size:28px;line-height:1}

.hero{background:linear-gradient(120deg,#eef8fa 0%,#fff 72%);padding:58px 0 62px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);gap:55px;align-items:center}
.eyebrow{font-size:13px;letter-spacing:1.3px;text-transform:uppercase;color:var(--teal);font-weight:800}
.hero h1{font-size:clamp(42px,5.2vw,66px);line-height:1.04;letter-spacing:-2.5px;color:var(--navy);margin:12px 0 20px}
.hero-copy{font-size:19px;color:var(--muted);max-width:690px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:13px 19px;font-weight:800;border:1px solid var(--navy)}
.btn-primary{background:var(--navy);color:#fff}
.btn-secondary{background:#fff;color:var(--navy)}

.doctor-card{position:relative;background:linear-gradient(145deg,#dff8fa 0%,#8fdee5 48%,#28b7c5 100%);border:1px solid rgba(255,255,255,.42);border-radius:22px;padding:18px 18px 20px;box-shadow:0 20px 55px rgba(16,47,87,.18);text-align:center;overflow:hidden;isolation:isolate}
.doctor-card:before{content:"";position:absolute;inset:-20% -15% auto auto;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.12);z-index:-1}
.doctor-card:after{content:"";position:absolute;left:-100px;bottom:-130px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.07);z-index:-1}
.doctor-card img{display:block;width:min(100%,430px);height:420px;object-fit:contain;object-position:center bottom;margin:0 auto;background:transparent;filter:drop-shadow(0 14px 18px rgba(0,42,67,.18))}
.doctor-name{font-size:20px;font-weight:800;color:var(--navy);margin-top:2px}
.doctor-role{font-size:14px;color:var(--navy)}

.section{padding:70px 0}
.section.alt{background:var(--pale)}
.section-head{text-align:center;max-width:760px;margin:0 auto 38px}
.section-head h2{margin:0 0 10px;font-size:35px;line-height:1.15;color:var(--navy)}
.section-head p{margin:0;color:var(--muted);font-size:17px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:.18s;box-shadow:0 5px 20px rgba(16,47,87,.035)}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(16,47,87,.08)}
.card h3{margin:0 0 7px;color:var(--navy);font-size:20px}
.card p{margin:0;color:var(--muted)}
.card-link{display:inline-block;margin-top:13px;color:var(--teal);font-weight:800}

.doctor-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px;align-items:center}
.doctor-section img{display:block;width:100%;height:500px;object-fit:contain;background:linear-gradient(145deg,#e7f8fa,#bdeef1);border-radius:22px;filter:drop-shadow(0 12px 22px rgba(16,47,87,.10))}
.doctor-section h2{font-size:38px;color:var(--navy);line-height:1.15;margin:8px 0 8px}
.checks{list-style:none;padding:0;margin:22px 0}.checks li{margin:10px 0;padding-left:27px;position:relative}.checks li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:900}

.contact-box{background:var(--navy);color:#fff;border-radius:18px;padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.contact-box h2{margin:0 0 7px;font-size:28px}.contact-box p{margin:0;color:#dce8f4}.contact-box .btn{background:#fff;color:var(--navy);border-color:#fff;white-space:nowrap}

.site-footer{background:#0a2342;color:#dce7f0;padding:46px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}.site-footer h3{color:#fff;margin-top:0}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:17px;font-size:13px}

.page-hero{background:var(--pale);padding:48px 0}.page-hero h1{margin:0;color:var(--navy);font-size:44px}.content{max-width:900px;padding:50px 0;margin:auto}.content h2,.content h3{color:var(--navy)}

@media(max-width:980px){
 .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 4%;flex-direction:column;align-items:stretch;gap:2px}
 .main-nav.open{display:flex}.main-nav a{padding:10px}.mobile-toggle{display:block}
 .hero-grid,.doctor-section{grid-template-columns:1fr}.doctor-card{max-width:500px;margin:auto}
 .card-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
 .header-inner{height:68px}.main-nav{top:68px}.brand{font-size:22px}
 .hero{padding:42px 0 45px}.hero h1{font-size:42px}.hero-copy{font-size:17px}
 .card-grid{grid-template-columns:1fr}.section{padding:50px 0}
 .doctor-card img{height:360px}.doctor-section img{height:400px}
 .contact-box{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr}
}