/*
Theme Name: MarketSera Digital Marketing
Theme URI: https://courses.marketsera.com
Author: MarketSera
Description: A single-page WordPress theme for MarketSera's 3-month Digital Marketing course. Includes a course curriculum funnel, enquiry form (emails courses@marketsera.com), and sticky Call/WhatsApp buttons. Colour palette: Navy #0B1E3D, Teal #12C9A0, Amber #FFB020.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: marketsera
*/

:root{
  --navy:#0B1E3D;
  --navy-deep:#071528;
  --teal:#12C9A0;
  --amber:#FFB020;
  --paper:#F5F7FA;
  --ink:#1F2937;
  --ink-soft:#5B6578;
  --line:#E4E8EF;
  --white:#ffffff;
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
}
h1,h2,h3,.display{
  font-family:'Space Grotesk',sans-serif;
  color:var(--navy);
  letter-spacing:-0.02em;
  margin:0;
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  text-transform:uppercase;
  font-size:12.5px;
  letter-spacing:0.12em;
  font-weight:600;
  color:var(--teal);
}

/* ---------- Header ---------- */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,30,61,0.96);
  backdrop-filter:blur(6px);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;
}
.logo{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;font-size:20px;color:var(--white);
  display:flex;align-items:center;gap:8px;
}
.logo span{color:var(--teal);}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0;}
.nav-links a{
  color:#C9D3E5;font-size:14.5px;font-weight:500;
  transition:color .2s;
}
.nav-links a:hover{color:var(--white);}
.nav-cta{display:flex;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-weight:600;font-size:14.5px;
  border:none;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-amber{background:var(--amber);color:var(--navy-deep);}
.btn-amber:hover{box-shadow:0 8px 20px rgba(255,176,32,.35);}
.btn-teal{background:var(--teal);color:var(--navy-deep);}
.btn-teal:hover{box-shadow:0 8px 20px rgba(18,201,160,.35);}
.btn-outline{background:transparent;border:1.5px solid #ffffff40;color:var(--white);}
.btn-outline:hover{border-color:#ffffff90;}
.btn-navy{background:var(--navy);color:var(--white);}
.btn-navy:hover{box-shadow:0 8px 20px rgba(11,30,61,.3);}
.btn-sm{padding:9px 16px;font-size:13.5px;}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(1100px 500px at 15% -10%, #12345f 0%, var(--navy) 55%, var(--navy-deep) 100%);
  color:var(--white);
  padding:76px 0 96px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(18,201,160,.25), transparent 70%);
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;
  position:relative;z-index:2;
}
.hero h1{
  font-size:clamp(32px,4.6vw,52px);
  line-height:1.08;
  font-weight:700;
  margin-bottom:20px;
}
.hero h1 em{color:var(--teal);font-style:normal;}
.hero p.lead{
  font-size:17px;color:#C9D3E5;max-width:520px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid #ffffff22;padding-top:24px;
}
.stat{padding-right:32px;margin-right:32px;border-right:1px solid #ffffff22;}
.stat:last-child{border-right:none;}
.stat b{display:block;font-family:'Space Grotesk',sans-serif;font-size:24px;color:var(--white);}
.stat span{font-size:12.5px;color:#9FB0CC;}

.funnel-card{
  background:#0F2748;
  border:1px solid #ffffff18;
  border-radius:20px;
  padding:26px 24px;
}
.funnel-card h3{color:var(--white);font-size:15px;margin-bottom:18px;font-weight:600;}
.funnel-stage{
  display:flex;align-items:center;gap:14px;
  padding:12px 16px;margin:0 auto 8px;
  border-radius:10px;background:#ffffff0d;
  border-left:3px solid var(--teal);
  transition:background .2s;
}
.funnel-stage:hover{background:#ffffff1a;}
.funnel-stage .fnum{
  font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--teal);font-size:13px;
  min-width:20px;
}
.funnel-stage .flabel{color:#E7ECF6;font-size:13.5px;font-weight:500;}
.funnel-stage:nth-child(2){width:96%;}
.funnel-stage:nth-child(3){width:90%;}
.funnel-stage:nth-child(4){width:84%;}
.funnel-stage:nth-child(5){width:78%;}
.funnel-stage:nth-child(6){width:72%;}

/* ---------- Section shell ---------- */
section{padding:76px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-top:10px;}
.section-head p{color:var(--ink-soft);margin-top:12px;font-size:15.5px;}

/* ---------- Curriculum cards ---------- */
.curriculum{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.cur-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 18px;position:relative;transition:transform .2s,box-shadow .2s;
}
.cur-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(11,30,61,.08);}
.cur-card .cnum{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:13px;
  color:var(--teal);margin-bottom:14px;display:block;
}
.cur-card h4{font-family:'Space Grotesk',sans-serif;font-size:16.5px;color:var(--navy);margin-bottom:8px;font-weight:600;}
.cur-card p{font-size:13.5px;color:var(--ink-soft);margin:0;}
.cur-card .tag{
  position:absolute;top:18px;right:16px;font-size:10.5px;font-weight:700;
  background:#12C9A01a;color:#0E9C7D;padding:3px 8px;border-radius:999px;
}

/* ---------- Format / what you get ---------- */
.format-wrap{
  background:var(--navy);border-radius:24px;padding:52px 44px;color:var(--white);
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
}
.format-wrap .section-head h2{color:var(--white);}
.format-wrap .section-head p{color:#B9C4DB;}
.format-list{display:grid;gap:18px;}
.format-item{display:flex;gap:14px;align-items:flex-start;}
.format-item .ico{
  width:38px;height:38px;border-radius:10px;background:#ffffff14;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  color:var(--teal);font-weight:700;font-family:'Space Grotesk',sans-serif;
}
.format-item h4{color:var(--white);font-size:15px;font-weight:600;margin-bottom:3px;}
.format-item p{color:#AEBBD3;font-size:13.5px;margin:0;}

/* ---------- Why us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.why-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;
}
.why-card .n{font-family:'Space Grotesk',sans-serif;color:var(--amber);font-size:26px;font-weight:700;}
.why-card h4{margin-top:10px;font-size:16px;color:var(--navy);font-weight:600;}
.why-card p{font-size:13.5px;color:var(--ink-soft);margin-top:6px;}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg, var(--teal), #0EA98A);
  border-radius:24px;padding:44px;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:20px;
}
.cta-banner h3{color:var(--navy-deep);font-size:24px;max-width:520px;}
.cta-banner p{color:#0d3b30;margin-top:6px;font-size:14px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Enquiry form ---------- */
.enquiry-wrap{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:0;
  background:var(--white);border-radius:24px;overflow:hidden;border:1px solid var(--line);
}
.enquiry-side{
  background:var(--navy-deep);color:var(--white);padding:44px 38px;
  background-image:radial-gradient(500px 300px at 100% 0%, #12345f, transparent 60%);
}
.enquiry-side h2{color:var(--white);font-size:26px;}
.enquiry-side p{color:#B9C4DB;font-size:14px;margin-top:12px;}
.contact-row{
  display:flex;align-items:center;gap:12px;margin-top:22px;font-size:14.5px;color:#E7ECF6;
}
.contact-row .ico{
  width:36px;height:36px;border-radius:9px;background:#ffffff14;display:flex;align-items:center;justify-content:center;color:var(--teal);
}
.enquiry-form{padding:44px 38px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.form-row.full{grid-template-columns:1fr;}
.enquiry-form label{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px;display:block;}
.enquiry-form input,.enquiry-form select,.enquiry-form textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;
  font-family:'Inter',sans-serif;font-size:14px;color:var(--ink);background:#FAFBFD;
  transition:border-color .2s;
}
.enquiry-form input:focus,.enquiry-form select:focus,.enquiry-form textarea:focus{outline:none;border-color:var(--teal);}
.enquiry-form textarea{resize:vertical;min-height:90px;}
.submit-btn{width:100%;padding:14px;font-size:15px;margin-top:6px;border-radius:10px;}
.form-note{font-size:12px;color:var(--ink-soft);margin-top:12px;}
.form-success{
  background:#12C9A01a;border:1px solid var(--teal);color:#0E9C7D;
  padding:14px 16px;border-radius:10px;font-size:13.5px;margin-bottom:18px;font-weight:600;
}
.form-error{
  background:#FFB0201a;border:1px solid var(--amber);color:#8a5a00;
  padding:14px 16px;border-radius:10px;font-size:13.5px;margin-bottom:18px;font-weight:600;
}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy-deep);color:#9FB0CC;padding:40px 0 24px;}
.footer-grid{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-grid .logo{color:var(--white);}
.footer-links{display:flex;gap:22px;font-size:13.5px;list-style:none;margin:0;padding:0;}
.footer-bottom{
  text-align:center;font-size:12.5px;color:#5F6E8A;
  margin-top:28px;padding-top:20px;border-top:1px solid #ffffff12;
}

/* ---------- Floating action buttons ---------- */
.fab-stack{
  position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:12px;z-index:100;
}
.fab{
  width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(0,0,0,.22);color:var(--white);transition:transform .15s;
}
.fab:hover{transform:scale(1.08);}
.fab-call{background:var(--navy);}
.fab-whatsapp{background:#25D366;}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .nav-links{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .curriculum{grid-template-columns:repeat(2,1fr);}
  .format-wrap{grid-template-columns:1fr;padding:36px 24px;}
  .why-grid{grid-template-columns:1fr;}
  .enquiry-wrap{grid-template-columns:1fr;}
  .cta-banner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:600px){
  .curriculum{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .stat{padding-right:18px;margin-right:18px;}
}