/* =========================================================
   TechLearn Academy — Design System
   Original design system. Not affiliated with, endorsed by,
   or sponsored by Microsoft Corporation.
   ========================================================= */

:root{
  --navy:#0b1330;
  --ink:#101828;
  --body:#475467;
  --muted:#667085;
  --line:#e4e8f0;
  --bg:#f7f9fc;
  --card:#ffffff;

  --primary:#3730a3;
  --primary-2:#4f46e5;
  --teal:#0d9488;
  --teal-2:#14b8a6;
  --amber:#f59e0b;
  --amber-2:#fbbf24;

  --grad-brand: linear-gradient(135deg,#3730a3 0%, #4f46e5 45%, #0d9488 100%);
  --grad-dark: linear-gradient(135deg,#0b1330 0%, #241b6d 55%, #0d9488 130%);
  --grad-amber: linear-gradient(135deg,#f59e0b, #fbbf24);

  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-sm:0 6px 18px rgba(16,24,57,.06);
  --shadow-md:0 14px 40px rgba(16,24,57,.10);
  --shadow-lg:0 24px 60px rgba(16,24,57,.16);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%}
body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  max-width:100%;
  width:100%;
}
h1,h2,h3,h4,.brand-font{font-family:'Sora',sans-serif;color:var(--ink);font-weight:700}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}
.container{max-width:1220px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.section-tight{padding:56px 0}

/* ---------- Utility ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#eef0ff;color:var(--primary);
  font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;
  padding:8px 16px;border-radius:30px;margin-bottom:18px
}
.eyebrow.on-dark{background:rgba(255,255,255,.12);color:#c7d2fe}
.eyebrow i{color:var(--amber)}
.section-head{max-width:720px;margin:0 auto 52px;text-align:center}
.section-head h2{font-size:clamp(28px,3.6vw,42px);line-height:1.2;margin-top:6px}
.section-head p{margin-top:14px;font-size:17px;color:var(--muted)}
.section-head.left{margin:0 0 44px;text-align:left}

.text-center{text-align:center}
.mt-24{margin-top:24px}
.badge-row{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  background:var(--primary-2);color:#fff;
  padding:15px 28px;border-radius:14px;font-weight:700;font-size:15px;
  border:none;cursor:pointer;transition:.25s transform, .25s box-shadow, .25s background;
  box-shadow:0 10px 24px rgba(79,70,229,.28);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(79,70,229,.36)}
.btn-amber{background:var(--grad-amber);color:#3d2a06;box-shadow:0 10px 24px rgba(245,158,11,.35)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);box-shadow:none}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--primary-2);color:var(--primary-2)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ---------- Header / Nav ---------- */
header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{background:var(--navy);color:#cbd5e1;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:8px 24px;flex-wrap:wrap;gap:6px}
.topbar a{color:#cbd5e1}
.topbar .topbar-links{display:flex;gap:18px;flex-wrap:wrap}
.topbar i{color:var(--teal-2);margin-right:6px}

.nav{max-width:1220px;margin:auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:44px;height:44px;flex-shrink:0}
.brand-text{line-height:1.15}
.brand-text .name{font-family:'Sora',sans-serif;font-weight:800;font-size:19px;color:var(--ink)}
.brand-text .tag{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.03em}

.menu{display:flex;align-items:center;gap:6px}
.menu>a, .menu>.has-dropdown>span{
  padding:10px 14px;font-weight:600;font-size:14.5px;color:var(--ink);border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;
}
.menu>a:hover,.has-dropdown:hover>span{color:var(--primary-2);background:#f1f2ff}
.has-dropdown{position:relative}
.dropdown{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);border:1px solid var(--line);
  width:640px;padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:6px 22px;
  opacity:0;visibility:hidden;transition:.2s;
}
@media(min-width:981px){
  .has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
}
.dropdown a{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:12px}
.dropdown a:hover{background:var(--bg)}
.dropdown a i{background:#eef0ff;color:var(--primary-2);width:36px;height:36px;flex-shrink:0;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px}
.dropdown a>span{min-width:0;flex:1}
.dropdown .d-title{font-weight:700;color:var(--ink);font-size:14px;display:block}
.dropdown .d-desc{font-size:12.5px;color:var(--muted);margin-top:2px;display:block}
.dropdown-foot{grid-column:1/-1;border-top:1px solid var(--line);margin-top:8px;padding-top:12px;text-align:center}
.dropdown-foot a{color:var(--primary-2);font-weight:700;font-size:13.5px;display:inline-block;padding:0}

.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--ink);cursor:pointer;min-width:44px;min-height:44px;align-items:center;justify-content:center;border-radius:10px}
.nav-toggle:hover{background:#f1f2ff}

@media(max-width:980px){
  .menu{position:fixed;inset:0 0 0 auto;top:0;height:100vh;width:82%;max-width:340px;background:#fff;flex-direction:column;align-items:stretch;padding:90px 24px 24px;box-shadow:-20px 0 50px rgba(0,0,0,.15);transform:translateX(100%);transition:.3s;overflow-y:auto;overflow-x:hidden}
  .menu.open{transform:translateX(0)}
  .has-dropdown .dropdown{position:static;opacity:1;visibility:visible;transform:none;width:auto;grid-template-columns:1fr;box-shadow:none;border:none;padding:6px 0 6px 14px;display:none}
  .has-dropdown.open .dropdown{display:grid}
  .nav-toggle{display:flex}
  .nav .btn{display:none}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad-dark);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%, rgba(13,148,136,.45), transparent 45%),
             radial-gradient(circle at 10% 90%, rgba(79,70,229,.5), transparent 45%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:96px 0 80px}
.hero h1{font-size:clamp(34px,4.4vw,54px);line-height:1.12;color:#fff}
.hero h1 span{background:linear-gradient(90deg,#fbbf24,#5eead4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;margin:22px 0 30px;max-width:600px;color:#dbe2ff}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.hero-stats div strong{display:block;font-size:26px;font-family:'Sora',sans-serif;color:#fff}
.hero-stats div span{font-size:13px;color:#aab3e8}

.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);border-radius:24px;padding:38px 26px 26px;box-shadow:var(--shadow-lg);position:relative;z-index:1}
.hero-card img{border-radius:16px;margin-bottom:18px}
.hero-card .mini{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.08);border-radius:14px;padding:12px 14px;margin-bottom:10px}
.hero-card .mini i{width:34px;height:34px;border-radius:10px;background:var(--grad-amber);color:#3d2a06;display:flex;align-items:center;justify-content:center}
.hero-card .mini strong{display:block;font-size:13.5px;color:#fff}
.hero-card .mini span{font-size:12px;color:#c7d0ff}
.float-badge{position:absolute;top:-20px;right:16px;z-index:2;background:#fff;color:var(--ink);border-radius:16px;padding:11px 18px;box-shadow:var(--shadow-md);font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px;white-space:nowrap}
.float-badge i{color:var(--teal);flex-shrink:0}

@media(max-width:980px){.hero-grid{grid-template-columns:1fr;padding-top:40px}.float-badge{display:none}}

/* ---------- Cards / grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.grid-3-fixed{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:32px 28px;box-shadow:var(--shadow-sm);transition:.3s;position:relative
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.icon-tile{
  width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:#eef0ff;color:var(--primary-2);font-size:24px;margin-bottom:20px
}
.card.teal .icon-tile{background:#e6fbf8;color:var(--teal)}
.card.amber .icon-tile{background:#fef6e6;color:#b45309}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card .card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:700;color:var(--primary-2);font-size:14px}

/* Course card */
.course-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.3s;display:flex;flex-direction:column
}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.course-card .cc-top{
  padding:24px 26px 20px;background:var(--grad-brand);color:#fff;position:relative;
  display:flex;flex-direction:column;align-items:flex-start
}
.course-card .cc-cat{display:inline-block;max-width:100%;background:rgba(255,255,255,.18);font-size:10.5px;font-weight:700;padding:5px 11px;border-radius:20px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.course-card .cc-top i{font-size:30px;color:#fff;background:rgba(255,255,255,.18);width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;flex-shrink:0}
.course-card .cc-top h3{color:#fff;font-size:18.5px;margin-top:2px}
.course-card .cc-body{padding:22px 26px 26px;flex:1;display:flex;flex-direction:column}
.course-card .cc-body p{font-size:14px;color:var(--muted);flex:1}
.course-card .cc-meta{display:flex;gap:14px;margin:16px 0;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.course-card .cc-meta span{display:flex;align-items:center;gap:6px}
.course-card .cc-meta i{color:var(--primary-2)}

.filter-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.filter-chip{padding:9px 18px;border-radius:30px;border:1.5px solid var(--line);font-weight:700;font-size:13.5px;cursor:pointer;background:#fff;color:var(--body)}
.filter-chip.active,.filter-chip:hover{background:var(--primary-2);color:#fff;border-color:var(--primary-2)}

/* ---------- About / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split img{border-radius:28px;box-shadow:var(--shadow-lg)}
.split.reverse{grid-template-columns:1fr 1fr}
.split.reverse .split-media{order:2}
.check-list li{display:flex;gap:12px;margin-bottom:14px;font-size:15px;color:var(--body)}
.check-list i{color:var(--teal);margin-top:3px}
@media(max-width:900px){.split,.split.reverse{grid-template-columns:1fr}.split.reverse .split-media{order:0}}

/* ---------- Stats / impact ---------- */
.stats-band{background:var(--grad-brand);color:#fff}
.stats-band .grid{grid-template-columns:repeat(4,1fr)}
.stat-item{text-align:center;padding:14px}
.stat-item strong{font-size:38px;display:block;font-family:'Sora',sans-serif}
.stat-item span{color:#dfe3ff;font-size:14px}
@media(max-width:850px){.stats-band .grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding:30px 24px;background:#fff;border-radius:var(--radius-md);border:1px solid var(--line)}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:24px;background:var(--grad-amber);color:#3d2a06;font-weight:800;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:var(--shadow-sm)}
.step h3{font-size:16.5px;margin:12px 0 8px}
.step p{font-size:13.5px;color:var(--muted)}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- Curriculum accordion (course pages) ---------- */
.curriculum-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden}
.curriculum-head{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;gap:16px}
.curriculum-head .mod-no{color:var(--primary-2);font-weight:800;font-family:'Sora',sans-serif;margin-right:10px}
.curriculum-head h4{font-size:16px}
.curriculum-head i.chev{transition:.25s;color:var(--muted)}
.curriculum-item.open .chev{transform:rotate(180deg)}
.curriculum-body{max-height:0;overflow:hidden;transition:.3s ease;padding:0 24px}
.curriculum-item.open .curriculum-body{max-height:260px;padding:0 24px 22px}
.curriculum-body p{font-size:14.5px;color:var(--muted)}

/* ---------- Course hero (inner pages) ---------- */
.course-hero{background:var(--grad-dark);color:#fff;position:relative;overflow:hidden}
.course-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%, rgba(13,148,136,.4), transparent 45%)}
.breadcrumb{position:relative;z-index:1;font-size:13.5px;color:#c7d0ff;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.breadcrumb a{color:#c7d0ff;font-weight:600}
.breadcrumb a:hover{color:#fff}
.course-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:start;padding:56px 0 70px}
.course-hero h1{font-size:clamp(28px,3.6vw,44px);color:#fff;line-height:1.18}
.course-hero p.lead{color:#dbe2ff;margin:18px 0;font-size:16.5px;max-width:640px}
.meta-pills{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.meta-pill{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:7px 14px;border-radius:20px;font-size:12.5px;display:flex;align-items:center;gap:7px}
.meta-pill i{color:var(--amber-2)}
.course-side-card{background:#fff;color:var(--ink);border-radius:22px;padding:26px;box-shadow:var(--shadow-lg)}
.course-side-card .price{font-family:'Sora',sans-serif;font-size:28px;color:var(--primary);margin-bottom:4px}
.course-side-card .price span{font-size:13px;color:var(--muted);font-weight:500}
.side-list li{display:flex;justify-content:space-between;font-size:13.5px;padding:11px 0;border-bottom:1px dashed var(--line);color:var(--body)}
.side-list li b{color:var(--ink)}
.side-list li:last-child{border-bottom:none}

/* ---------- Forms ---------- */
form.form-card{background:#fff;padding:34px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--line)}
.form-banner{display:flex;align-items:flex-start;gap:10px;padding:14px 16px;border-radius:12px;font-size:14px;margin-bottom:20px;line-height:1.5}
.form-banner[hidden]{display:none}
.form-banner-success{background:#e6fbf8;color:#0f6b60;border:1px solid #bdeee7}
.form-banner-success i{color:var(--teal);margin-top:2px}
.form-banner-error{background:#fef2f2;color:#a13030;border:1px solid #fadada}
.form-banner-error i{color:#dc2626;margin-top:2px}
.form-banner-error a{text-decoration:underline;font-weight:700}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px}
input,select,textarea{
  width:100%;padding:14px 15px;margin-bottom:16px;border:1.5px solid var(--line);border-radius:12px;
  font-size:14.5px;font-family:'Inter',sans-serif;background:#fbfcfe;color:var(--ink)
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-2);background:#fff}
textarea{height:120px;resize:vertical}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}

/* ---------- Testimonials ---------- */
.testimonial{background:#fff;border-radius:22px;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.testimonial .stars{color:var(--amber);margin-bottom:14px;font-size:14px}
.testimonial p{color:var(--body);font-size:14.5px;margin-bottom:18px}
.testimonial .who{display:flex;align-items:center;gap:12px}
.testimonial .avatar{width:42px;height:42px;border-radius:50%;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-family:'Sora',sans-serif}
.testimonial .who strong{font-size:14px;color:var(--ink);display:block}
.testimonial .who span{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:700;color:var(--ink);font-size:15.5px;gap:16px}
.faq-a{max-height:0;overflow:hidden;transition:.3s;font-size:14.5px;color:var(--muted)}
.faq-item.open .faq-a{max-height:220px;margin-top:12px}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-q i{transition:.25s;color:var(--primary-2)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--grad-dark);color:#fff;border-radius:34px;padding:60px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%, rgba(20,184,166,.35), transparent 50%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.cta-band p{color:#dbe2ff;max-width:640px;margin:0 auto 26px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Related courses ---------- */
.related-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.related-strip{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#c3c9e6;padding:70px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:36px;height:36px}
.footer-brand span{font-family:'Sora',sans-serif;font-weight:800;color:#fff;font-size:18px}
footer p{color:#9aa2c7;font-size:14px;margin-bottom:14px;line-height:1.7}
footer h4{color:#fff;font-size:14.5px;margin-bottom:18px;text-transform:uppercase;letter-spacing:.04em}
footer a{display:block;color:#aeb4d6;margin-bottom:11px;font-size:14px}
footer a:hover{color:#fff}
.social-row{display:flex;gap:10px;margin-top:6px}
.social-row a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;margin:0}
.social-row a:hover{background:var(--primary-2)}
.disclaimer{font-size:12px;color:#8891ba;line-height:1.8;border-top:1px solid rgba(255,255,255,.09);margin-top:34px;padding-top:20px}
.copy{text-align:center;border-top:1px solid rgba(255,255,255,.09);margin-top:24px;padding-top:20px;color:#8891ba;font-size:13px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* ---------- Breadcrumb generic pages ---------- */
.page-hero{background:var(--grad-dark);color:#fff;padding:70px 0;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 30%, rgba(13,148,136,.4), transparent 45%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;font-size:clamp(28px,3.8vw,44px)}
.page-hero p{color:#dbe2ff;margin-top:14px;max-width:600px}

@media(max-width:900px){
  .grid-2,.grid-3-fixed{grid-template-columns:1fr}
  .course-hero-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
}