/* =============================================================
   Dr Manisha Singh — Diabetic Foot Surgeon Gwalior
   Self-contained landing page styles (no bootstrap / no jQuery)
   Brand: #0077b6 blue · #00b386 green · #0a1f3c navy · #25D366 WA
   ============================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#0077b6; --blue-d:#005f92; --green:#00b386; --navy:#0a1f3c;
  --ink:#26374a; --muted:#5a6b7b; --line:#e6eef5; --bg:#f5f9fc;
  --wa:#25D366; --wa-d:#1da851; --shadow:0 6px 26px rgba(16,42,67,.08);
  --radius:14px; --wrap:1120px;
}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;color:var(--navy);line-height:1.25}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.svg{width:1em;height:1em;fill:currentColor;flex-shrink:0;vertical-align:-.125em}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(16,42,67,.04)}
.site-header .wrap{display:flex;align-items:center;gap:16px;padding-top:12px;padding-bottom:12px}
.site-header .logo img{height:44px;width:auto}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-phone{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--navy);font-size:15px}
.header-phone .svg{color:var(--blue);font-size:17px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;
  padding:10px 18px;border-radius:8px;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 4px 14px rgba(37,211,102,.35)}
.btn-wa:hover{background:var(--wa-d);color:#fff}
.btn-call{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-light{background:#fff;color:var(--navy)}
.btn-lg{padding:14px 30px;font-size:15px}
@media(max-width:640px){.header-phone{display:none}.site-header .logo img{height:38px}}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,#0a1f3c 0%,#16213e 45%,#0f3460 100%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(circle at 80% 20%,rgba(0,179,134,.35),transparent 45%),
             radial-gradient(circle at 15% 90%,rgba(0,119,182,.4),transparent 45%)}
.hero .wrap{position:relative;z-index:1;padding:64px 20px 70px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);
  color:#9fe0ef;border:1px solid rgba(159,224,239,.35);padding:6px 14px;border-radius:30px;
  font-size:13px;font-weight:600;letter-spacing:.3px;margin-bottom:18px}
.hero h1{color:#fff;font-size:40px;max-width:820px;margin-bottom:16px}
.hero p{color:#cdddf2;font-size:18px;max-width:680px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{margin-top:26px;display:flex;flex-wrap:wrap;gap:22px;color:#aec6e4;font-size:14px}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust .svg{color:var(--green);font-size:17px}
@media(max-width:640px){.hero h1{font-size:29px}.hero p{font-size:16px}.hero .wrap{padding:44px 20px 50px}}

/* ---------- Sections ---------- */
section{scroll-margin-top:80px}
.block{padding:56px 0}
.block.alt{background:var(--bg)}
.sec-head{max-width:760px;margin:0 auto 34px;text-align:center}
.sec-head.left{text-align:left;margin-left:0}
.sec-head .kicker{color:var(--blue);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:1px}
.sec-head h2{font-size:30px;margin:8px 0 10px}
.sec-head p{color:var(--muted);font-size:16px}
.lead{font-size:17px;color:var(--ink);max-width:820px;margin:0 auto;text-align:center}
.lead strong{color:var(--navy)}

/* ---------- Doctor card ---------- */
.doctor-card{display:flex;flex-wrap:wrap;gap:26px;background:#fff;border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow);padding:30px;max-width:940px;margin:0 auto}
.doc-avatar{width:110px;height:110px;border-radius:20px;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--green));color:#fff;
  display:flex;align-items:center;justify-content:center}
.doc-avatar .svg{font-size:52px}
.doc-body{flex:1;min-width:260px}
.doc-body h3{font-size:24px;margin-bottom:4px}
.doc-spec{display:inline-block;color:var(--blue);font-weight:700;font-size:13px;
  text-transform:uppercase;letter-spacing:.6px;margin-bottom:14px}
.doc-list{list-style:none;display:grid;gap:11px}
.doc-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink)}
.doc-list li .svg{color:var(--blue);font-size:17px;margin-top:3px}
.doc-list li strong{color:var(--navy)}
.doc-note{margin-top:18px;padding:14px 16px;background:#f3fbff;border-left:3px solid var(--blue);
  border-radius:6px;font-size:13px;color:var(--muted);font-style:italic}

/* ---------- Alert / when-to-see ---------- */
.alert-box{max-width:940px;margin:0 auto;background:#fff;border:1px solid #ffe0d6;
  border-radius:16px;box-shadow:var(--shadow);padding:28px 30px}
.alert-box h3{display:flex;align-items:center;gap:10px;font-size:20px;margin-bottom:14px}
.alert-box h3 .svg{color:#e8590c;font-size:22px}
.alert-list{list-style:none;display:grid;gap:10px;margin-bottom:16px}
.alert-list li{display:flex;gap:11px;align-items:flex-start;color:var(--ink);font-size:15px}
.alert-list li .svg{color:#e8590c;font-size:16px;margin-top:4px}
.alert-box .foot-note{color:var(--muted);font-size:14.5px}
.alert-box .foot-note strong{color:var(--navy)}

/* ---------- Product grid ---------- */
.fc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;max-width:1000px;margin:0 auto}
.fc-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  padding:24px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.fc-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(16,42,67,.14);border-color:#cfe6f7}
.fc-icon{width:52px;height:52px;border-radius:13px;background:#e8f5ff;color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.fc-icon .svg{font-size:24px}
.fc-card h4{font-size:17px;margin-bottom:8px}
.fc-card p{color:var(--muted);font-size:14px;flex:1;margin-bottom:14px}
.fc-link{color:var(--blue);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.fc-card:hover .fc-link .svg{transform:translateX(3px)}
.fc-link .svg{transition:transform .2s}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--blue) 0%,#0a8f6d 100%);color:#fff;text-align:center;
  border-radius:20px;max-width:1000px;margin:0 auto;padding:44px 30px}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band p{color:#e6fbf4;font-size:16px;max-width:620px;margin:0 auto 24px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:18px 20px;
  font-family:inherit;font-weight:600;font-size:16px;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .chev{transition:transform .25s;color:var(--blue);flex-shrink:0}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 18px;color:var(--muted);font-size:15px}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#c3d2e4;padding:50px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:34px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px}
.site-footer h4::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:2px;background:var(--green)}
.site-footer p,.site-footer li{font-size:14px;line-height:1.8}
.foot-links{list-style:none}
.foot-links a{color:#c3d2e4}.foot-links a:hover{color:#fff}
.foot-contact{list-style:none;display:grid;gap:12px}
.foot-contact li{display:flex;gap:11px;align-items:flex-start}
.foot-contact .svg{color:var(--green);font-size:16px;margin-top:3px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:18px 0;text-align:center;font-size:13px;color:#8ba1bd}
.foot-bottom a{color:#c3d2e4}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* ---------- Floating WhatsApp ---------- */
#wa-float{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;align-items:flex-end}
#wa-btn{width:58px;height:58px;border-radius:50%;background:var(--wa);border:none;cursor:pointer;
  box-shadow:0 4px 16px rgba(37,211,102,.5);display:flex;align-items:center;justify-content:center;
  transition:transform .2s}
#wa-btn:hover{transform:scale(1.08)}
#wa-btn .svg{color:#fff;font-size:30px}
#wa-popup{display:none;background:#fff;border-radius:14px;box-shadow:0 10px 34px rgba(0,0,0,.22);
  width:300px;margin-bottom:12px;overflow:hidden}
#wa-popup.show{display:block;animation:waIn .2s ease}
@keyframes waIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.wa-head{background:#075e54;padding:15px 16px;display:flex;align-items:center;gap:10px}
.wa-head .dot{width:40px;height:40px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.wa-head .dot .svg{color:#fff;font-size:22px}
.wa-head b{color:#fff;font-size:14px;display:block}
.wa-head small{color:#a8d5be;font-size:12px}
.wa-head .x{margin-left:auto;background:none;border:none;color:#a8d5be;font-size:22px;cursor:pointer;line-height:1}
.wa-body{padding:14px 16px;background:#ece5dd}
.wa-msg{background:#fff;border-radius:8px;padding:10px 12px;font-size:13px;color:#333;line-height:1.6;box-shadow:0 1px 2px rgba(0,0,0,.08)}
.wa-foot{padding:12px 14px;background:#fff}
.wa-start{display:block;background:var(--wa);color:#fff;text-align:center;padding:11px;border-radius:7px;font-weight:700;font-size:13px}
.wa-start:hover{color:#fff;background:var(--wa-d)}
@media(max-width:560px){#wa-float{right:14px;bottom:14px}#wa-popup{width:calc(100vw - 28px);max-width:300px}}