/* ============================================================
   BAANEDU — Public site styles
   Palette: cream #FFFFE3 · lavender #DBD4FF · olive #808034 · purple #723480
   Type: Space Grotesk (display) + Inter (body)
   ============================================================ */
:root{
  --primary:#723480;
  --primary-d:#5a2867;
  --primary-l:#8e4aa0;
  --secondary:#808034;
  --cream:#FFFFE3;
  --lav:#DBD4FF;
  --ink:#2a1f30;
  --muted:#6b6475;
  --line:#e7e2ef;
  --card:#ffffff;
  --radius:18px;
  --shadow:0 18px 50px -22px rgba(114,52,128,.35);
  --shadow-sm:0 6px 20px -10px rgba(42,31,48,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Inter',system-ui,sans-serif;color:var(--ink);
  background:var(--cream);line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.display{font-family:'Space Grotesk','Inter',sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.12;margin:0 0 .4em}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-d)}
img{max-width:100%;display:block}
.container{width:min(1160px,92%);margin-inline:auto}
.section{padding:88px 0}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:14px}
.muted{color:var(--muted)}
.center{text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-family:'Inter';
  padding:.8rem 1.5rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:.2s ease;font-size:.98rem;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-2px)}
.btn-lg{padding:1rem 2rem;font-size:1.05rem}

/* ---------- navbar ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,227,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.nav-logo img{height:46px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);font-weight:500;padding:.5rem .85rem;border-radius:10px;font-size:.96rem}
.nav-links a:hover{background:var(--lav);color:var(--primary-d)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 90px;
  background:
    radial-gradient(900px 400px at 88% -8%,rgba(219,212,255,.9),transparent 60%),
    radial-gradient(700px 380px at 5% 110%,rgba(128,128,52,.16),transparent 55%),
    var(--cream)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem)}
.hero h1 .hl{background:linear-gradient(120deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:34ch;margin:1.1rem 0 1.8rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:22px;margin-top:34px;flex-wrap:wrap}
.hero-badge{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--muted);font-weight:500}
.hero-badge b{color:var(--ink);font-family:'Space Grotesk';font-size:1.25rem;display:block}
.hero-visual{position:relative}
.hero-visual .frame{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.hero-visual .frame img{width:100%}
.hero-chip{position:absolute;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-sm);
  font-size:.85rem;font-weight:600;display:flex;align-items:center;gap:8px}
.hero-chip.c1{top:18px;left:-18px}
.hero-chip.c2{bottom:26px;right:-14px}
.dot{width:9px;height:9px;border-radius:50%}

/* ---------- feature cards ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card-feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:.25s ease}
.card-feat:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card-feat .ic{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--lav);margin-bottom:16px}
.card-feat .ic img{width:30px;height:30px}
.card-feat h3{font-size:1.15rem}
.card-feat p{color:var(--muted);font-size:.94rem;margin:0}

/* ---------- section band ---------- */
.band{background:linear-gradient(135deg,var(--primary),var(--primary-d));color:#fff;border-radius:28px;
  padding:56px;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 90% 10%,rgba(128,128,52,.35),transparent 60%)}
.band > *{position:relative;z-index:1}
.band h2{color:#fff}
.band .muted{color:rgba(255,255,255,.8)}

/* steps / how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.step .n{font-family:'Space Grotesk';font-size:2.4rem;font-weight:700;color:var(--lav);line-height:1}
.step h3{font-size:1.1rem;margin-top:10px}
.step p{color:var(--muted);font-size:.93rem;margin:0}

/* pricing */
.pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.plan.pop{border:2px solid var(--primary);box-shadow:var(--shadow);position:relative}
.plan.pop .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;
  font-size:.72rem;font-weight:700;letter-spacing:.08em;padding:5px 14px;border-radius:999px;text-transform:uppercase}
.plan h3{font-size:1.15rem;margin-bottom:4px}
.plan .price{font-family:'Space Grotesk';font-size:2.3rem;font-weight:700;color:var(--ink);margin:8px 0}
.plan .price small{font-size:.9rem;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;flex:1}
.plan ul li{padding:7px 0;font-size:.92rem;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
.plan ul li::before{content:"✓";color:var(--secondary);font-weight:800}

/* testimonials / logos strip */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.5rem 1.1rem;font-size:.86rem;font-weight:600;color:var(--muted)}

/* blog grid */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post .cover{aspect-ratio:16/10;background:var(--lav);overflow:hidden}
.post .cover img{width:100%;height:100%;object-fit:cover}
.post .body{padding:22px}
.post h3{font-size:1.12rem}
.post p{color:var(--muted);font-size:.92rem}
.post .date{font-size:.8rem;color:var(--secondary);font-weight:600;text-transform:uppercase;letter-spacing:.05em}

/* content pages */
.prose{max-width:760px;margin-inline:auto}
.prose p{color:#463a4f;margin:0 0 1.1em}
.page-head{background:linear-gradient(135deg,var(--lav),var(--cream));padding:56px 0;text-align:center;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(1.9rem,4vw,2.8rem)}

/* contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:40px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:.95rem}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary)}

/* footer */
.footer{background:var(--ink);color:#cfc6d6;padding:64px 0 28px}
.footer a{color:#cfc6d6}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.08em}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{padding:5px 0;font-size:.92rem}
.footer .logo img{height:44px;filter:brightness(0) invert(1);margin-bottom:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#8f8598}

/* alerts */
.alert{padding:.85rem 1.1rem;border-radius:12px;margin-bottom:16px;font-size:.92rem;font-weight:500}
.alert-success{background:#eef7e6;color:#3f5417;border:1px solid #d3e6b8}
.alert-error{background:#fdecef;color:#8a1c33;border:1px solid #f6c9d2}

/* section heads */
.sec-head{max-width:620px;margin:0 auto 46px}
.sec-head.left{margin-left:0}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.sec-head p{color:var(--muted);font-size:1.05rem}

/* responsive */
@media(max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .pricing{grid-template-columns:repeat(2,1fr)}
  .posts{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-wrap{grid-template-columns:1fr}
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:var(--cream);padding:14px;border-bottom:1px solid var(--line);gap:2px}
  .band{padding:36px 24px}
}
@media(max-width:560px){
  .cards,.pricing{grid-template-columns:1fr}
  .section{padding:60px 0}
}