/* ==========================================================================
   Educera Global Styles
   ========================================================================== */

/* Design tokens */
:root{
  --brand:#0A5C91; --brand-600:#084c78; --accent:#ff8c2b;
  --ink:#0a2940; --text:#222; --muted:#666;
  --line:#e6e6e6; --bg:#ffffff; --bg-soft:#f8fafc;
  --ring:#9ec9ea; --radius:12px; --shadow-sm:0 4px 14px rgba(0,0,0,.04);
  --logo-size:84px; --logo-size-sm:64px;
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#0b1320; --bg-soft:#0f1b2b; --ink:#cfe7ff; --text:#e9eef5; --muted:#a5b4c1; --line:#1f2b3a; --shadow-sm:0 6px 20px rgba(0,0,0,.35); --ring:#2a76a9; }
}

/* Reset-ish */
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;color:var(--text);background:var(--bg);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px}

/* Layout helpers */
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.section{padding:40px 0}
.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}
.center{text-align:center}.max-w-prose{max-width:70ch}
.hidden{display:none !important}

/* Header */
header{background:#fff;border-bottom:1px solid #eef2f7}
@media (prefers-color-scheme:dark){header{background:#0d1627;border-bottom-color:#0f2032}}
header .container{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;gap:16px}
.site-logo{display:inline-flex;align-items:center;gap:10px}

/* Logo size — wins over inline styles and HTML attributes */
.site-logo img,
header .container a img[style],
.site-logo img[height],
.site-logo img[width]{
  height:var(--logo-size) !important;
  width:auto !important;
}
@media (max-width:640px){
  .site-logo img,
  header .container a img[style],
  .site-logo img[height],
  .site-logo img[width]{
    height:var(--logo-size-sm) !important;
  }
}

nav ul{list-style:none;display:flex;gap:16px;margin:0;padding:0}
nav a{color:var(--ink);font-weight:600}
nav a[aria-current="page"]{color:var(--brand)}

/* Mobile nav */
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);padding:8px 10px;border-radius:10px}
.nav-toggle:focus-visible{outline:3px solid var(--ring)}
.nav-toggle svg{width:20px;height:20px}
@media (max-width:880px){
  .nav-toggle{display:inline-flex}
  nav{position:absolute;inset:calc(var(--logo-size-sm)+24px) 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.2s ease}
  nav[data-open="true"]{opacity:1;pointer-events:auto;transform:none}
  nav ul{flex-direction:column;padding:12px 16px}
}

/* Hero */
.hero{background:linear-gradient(135deg,var(--brand),var(--brand) 60%,var(--bg-soft));color:#fff;padding:56px 0}
.hero h1{font-size:32px;margin:0 0 6px}
.hero p{margin:0 0 18px}
.btn-primary{display:inline-block;padding:12px 18px;background:var(--accent);color:#111;border-radius:8px;font-weight:600;text-decoration:none}
.btn-primary:hover{filter:brightness(.95)}

/* Buttons */
.btn{display:inline-block;padding:10px 14px;background:var(--brand);color:#fff;border-radius:6px;text-decoration:none}
.btn:hover{background:var(--brand-600)}

/* Cards & grids */
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
@media (prefers-color-scheme:dark){.card{background:#0f1b2b}}
.card-pad{padding:18px}
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.course-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}

/* Uniform thumbnails across all cards (override any inline/attrs) */
.course-card img,
.course-card img[height],
.course-card img[width]{
  display:block;
  width:100% !important;
  height:auto !important;         /* let aspect-ratio control height */
  aspect-ratio:16/10;
  object-fit:cover;
  background:#f6f7f9;
}
@supports not (aspect-ratio:1){.course-card img{height:160px !important}}

.course-card .meta{padding:14px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.course-card h3{margin:0;font-size:18px;line-height:1.3}
.course-card p{margin:0;color:var(--muted);font-size:14px}
.course-card .btn{margin-top:auto}

@media (max-width:640px){
  .hero{padding:40px 0}
  .course-card img{aspect-ratio:auto;height:140px}
}

/* Page hero / crumbs */
.page-hero{background:var(--bg-soft);border-bottom:1px solid #eef2f7;padding:24px 0}
.breadcrumbs,.crumbs{font-size:13px;color:#6b7280}
.breadcrumbs a,.crumbs a{color:inherit}

/* Two-column course layout */
.layout{display:grid;grid-template-columns:2fr 1fr;gap:24px;padding:28px 0}
@media (max-width:900px){.layout{grid-template-columns:1fr}}

/* Testimonials */
.testimonials{background:var(--bg-soft);border-top:1px solid #eef2f7;border-bottom:1px solid #eef2f7}
.slider{position:relative;overflow:hidden}
.slides{display:flex;transition:transform .6s ease}
.slide{min-width:100%;padding:24px 0}
.review{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}
.stars{color:#ffb400;letter-spacing:1px}
.reviewer{margin-top:10px;color:#333;font-weight:600}
.review small{color:#6b7280;font-weight:500}
.slider-dots{display:flex;justify-content:center;gap:6px;margin:12px 0 0}
.slider-dots button{width:8px;height:8px;border-radius:999px;border:none;background:#c7d2fe;cursor:pointer}
.slider-dots button.active{background:var(--brand)}

/* Forms */
input,select,textarea{width:100%;padding:12px;border:1px solid #dce3ea;border-radius:8px;background:var(--bg);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:3px solid var(--ring);border-color:transparent}
button{padding:12px 16px;background:var(--brand);color:#fff;border:none;border-radius:8px;cursor:pointer}
button:hover{background:var(--brand-600)}

/* Footer */
footer{background:#0b1e2b;color:#c2d2df}
footer a{color:#c2d2df}
footer .container{padding:28px 16px;text-align:center}

/* Motion safety */
@media (prefers-reduced-motion:reduce){.slides{transition:none}}

/* Print */
@media print{
  header,footer,.slider-dots{display:none !important}
  .btn,.btn-primary{border:1px solid #999;color:#000;background:#fff}
}
