@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --violet: #7C3AED;
  --violet-light: #8B5CF6;
  --violet-pale: #F5F3FF;
  --purple: #6D28D9;
  --purple-deep: #4C1D95;
  --lavender: #DDD6FE;
  --pink: #EC4899;
  --white: #FFFFFF;
  --off-white: #FAFAF9;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --dark: #111827;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(124,58,237,0.10);
  --shadow-lg: 0 8px 40px rgba(124,58,237,0.15);
  --radius: 14px;
  --radius-sm: 8px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Inter',sans-serif; background:var(--off-white); color:var(--gray-800); font-size:15px; line-height:1.6; }

/* ANNOUNCE */
.announce {
  background: linear-gradient(90deg,#4C1D95,#7C3AED,#A855F7);
  color:white; text-align:center; padding:9px 20px;
  font-size:13px; font-weight:500; letter-spacing:0.2px;
}
.announce span { font-weight:700; }

/* NAV */
nav {
  background:rgba(255,255,255,0.97);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--gray-200);
  padding:0 48px; display:flex; align-items:center;
  justify-content:space-between; height:64px;
  position:sticky; top:0; z-index:100;
}
.logo { display:flex; align-items:center; gap:10px; text-decoration:none; }
.logo-icon {
  width:36px; height:36px;
  background:linear-gradient(135deg,var(--violet),var(--pink));
  border-radius:9px; display:flex; align-items:center;
  justify-content:center; color:white; font-size:15px;
}
.logo-text { font-family:'Plus Jakarta Sans',sans-serif; font-weight:700; font-size:17px; color:var(--dark); }
.logo-sub { font-size:10px; color:var(--gray-400); }
.nav-links { display:flex; gap:28px; list-style:none; }
.nav-links a { text-decoration:none; color:var(--gray-600); font-size:14px; font-weight:500; transition:color 0.15s; }
.nav-links a:hover, .nav-links a.active { color:var(--violet); }
.nav-btns { display:flex; gap:8px; align-items:center; }
.btn-wa { display:flex; align-items:center; gap:6px; background:#22C55E; color:white; padding:8px 16px; border-radius:7px; text-decoration:none; font-size:13px; font-weight:600; transition:opacity 0.15s; }
.btn-wa:hover { opacity:0.9; }
.btn-nav { background:var(--violet); color:white; padding:8px 18px; border-radius:7px; text-decoration:none; font-size:13px; font-weight:600; transition:background 0.15s; }
.btn-nav:hover { background:var(--purple); }

/* HERO */
.hero-wrap { background:linear-gradient(160deg,#F5F3FF 0%,#FAFAF9 60%,#FDF4FF 100%); }
.hero { max-width:1160px; margin:0 auto; padding:72px 48px; display:grid; grid-template-columns:1fr 400px; gap:56px; align-items:center; }
.hero-badge { display:inline-flex; align-items:center; gap:6px; background:white; border:1px solid var(--lavender); color:var(--violet); padding:5px 12px; border-radius:100px; font-size:12px; font-weight:600; margin-bottom:18px; box-shadow:var(--shadow-sm); }
.hero h1 { font-family:'Plus Jakarta Sans',sans-serif; font-size:42px; font-weight:800; line-height:1.15; color:var(--dark); margin-bottom:14px; }
.hero h1 span { color:var(--violet); }
.hero-urgent { background:var(--violet-pale); border:1px solid var(--lavender); border-radius:var(--radius-sm); padding:10px 14px; font-size:13px; font-weight:600; color:var(--purple); margin-bottom:16px; display:flex; align-items:center; gap:7px; }
.hero p { color:var(--gray-600); font-size:16px; line-height:1.7; margin-bottom:22px; }
.hero-pills { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:24px; }
.hero-pill { display:flex; align-items:center; gap:5px; color:var(--gray-600); font-size:13px; font-weight:500; }
.hero-pill i { color:var(--violet); font-size:13px; }
.hero-btns { display:flex; gap:10px; flex-wrap:wrap; }
.btn-hero-primary { background:var(--violet); color:white; padding:13px 24px; border-radius:var(--radius-sm); text-decoration:none; font-size:14px; font-weight:600; display:flex; align-items:center; gap:7px; transition:background 0.15s; }
.btn-hero-primary:hover { background:var(--purple); }
.btn-hero-secondary { background:white; color:var(--gray-800); padding:13px 24px; border-radius:var(--radius-sm); text-decoration:none; font-size:14px; font-weight:600; border:1px solid var(--gray-200); display:flex; align-items:center; gap:7px; transition:border-color 0.15s; }
.btn-hero-secondary:hover { border-color:var(--lavender); }

/* CALC */
.calc-card { background:white; border-radius:var(--radius); padding:24px; box-shadow:var(--shadow-lg); border:1px solid var(--gray-200); }
.calc-header { display:flex; align-items:center; gap:8px; margin-bottom:4px; }
.calc-header i { color:var(--violet); }
.calc-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:16px; font-weight:700; }
.calc-sub { color:var(--gray-400); font-size:12px; margin-bottom:18px; }
.calc-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:16px; }
.calc-field label { font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:0.5px; color:var(--gray-400); display:block; margin-bottom:4px; }
.calc-field select { width:100%; padding:9px 11px; border:1px solid var(--gray-200); border-radius:var(--radius-sm); font-size:13px; color:var(--gray-800); background:var(--gray-50); font-family:'Inter',sans-serif; }
.calc-result { background:var(--violet-pale); border-radius:var(--radius-sm); padding:14px 16px; display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.calc-price { font-family:'Plus Jakarta Sans',sans-serif; font-size:28px; font-weight:800; color:var(--violet); }
.calc-price-label { font-size:11px; color:var(--gray-400); }
.calc-delivery { font-size:12px; font-weight:600; color:var(--purple); display:flex; align-items:center; gap:4px; }
.btn-calc { width:100%; background:var(--violet); color:white; border:none; padding:13px; border-radius:var(--radius-sm); font-size:14px; font-weight:600; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:7px; font-family:'Inter',sans-serif; transition:background 0.15s; }
.btn-calc:hover { background:var(--purple); }
.discount-pill { background:var(--violet-pale); border:1px solid var(--lavender); border-radius:var(--radius-sm); padding:9px 12px; text-align:center; font-size:12px; color:var(--purple); font-weight:600; cursor:pointer; margin-top:8px; }

/* SECTIONS */
.section { max-width:1160px; margin:0 auto; padding:72px 48px; }
.section-tag { display:inline-flex; align-items:center; gap:6px; background:var(--violet-pale); color:var(--violet); padding:5px 12px; border-radius:100px; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.7px; margin-bottom:14px; }
.section-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:32px; font-weight:800; line-height:1.2; margin-bottom:10px; color:var(--dark); }
.section-title span { color:var(--violet); }
.section-sub { color:var(--gray-600); font-size:16px; line-height:1.7; }

/* PROGRAMS */
.programs-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:36px; }
.program-card { background:white; border-radius:var(--radius); padding:24px; border:1px solid var(--gray-200); transition:box-shadow 0.2s; position:relative; overflow:hidden; }
.program-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--violet),var(--pink)); }
.program-card:hover { box-shadow:var(--shadow-lg); }
.program-badge { display:inline-block; background:var(--violet-pale); color:var(--violet); padding:3px 9px; border-radius:100px; font-size:11px; font-weight:600; margin-bottom:10px; }
.program-icon { font-size:24px; margin-bottom:10px; }
.program-name { font-family:'Plus Jakarta Sans',sans-serif; font-size:18px; font-weight:700; margin-bottom:4px; }
.program-desc { font-size:12px; color:var(--gray-400); margin-bottom:14px; }
.course-list { display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.course-link-btn { display:flex; align-items:center; justify-content:space-between; padding:9px 12px; background:var(--gray-50); border-radius:var(--radius-sm); text-decoration:none; color:var(--gray-800); font-size:13px; font-weight:500; border:1px solid var(--gray-200); transition:all 0.15s; }
.course-link-btn:hover { background:var(--violet-pale); border-color:var(--lavender); color:var(--violet); }
.course-tag { font-size:11px; color:var(--gray-400); }
.btn-program { display:block; text-align:center; background:var(--violet); color:white; padding:11px; border-radius:var(--radius-sm); text-decoration:none; font-size:13px; font-weight:600; transition:background 0.15s; }
.btn-program:hover { background:var(--purple); }

/* WHY US */
.whyus-bg { background:var(--dark); }
.whyus-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:36px; }
.why-card { background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.08); border-radius:var(--radius); padding:22px; }
.why-icon { font-size:22px; margin-bottom:10px; color:#A78BFA; }
.why-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:14px; font-weight:700; color:white; margin-bottom:6px; }
.why-desc { font-size:13px; color:rgba(255,255,255,0.55); line-height:1.6; }

/* STEPS */
.steps-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:36px; }
.step-card { text-align:center; }
.step-num { width:44px; height:44px; background:var(--violet); border-radius:50%; display:flex; align-items:center; justify-content:center; color:white; font-family:'Plus Jakarta Sans',sans-serif; font-size:18px; font-weight:800; margin:0 auto 14px; }
.step-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:16px; font-weight:700; margin-bottom:7px; }
.step-desc { font-size:14px; color:var(--gray-600); line-height:1.6; }

/* SUBJECTS */
.subjects-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:36px; }
.subject-card { background:white; border-radius:var(--radius); padding:24px; border:1px solid var(--gray-200); text-align:center; transition:box-shadow 0.2s; }
.subject-card:hover { box-shadow:var(--shadow-md); }
.subject-icon { font-size:32px; margin-bottom:10px; }
.subject-name { font-family:'Plus Jakarta Sans',sans-serif; font-size:17px; font-weight:700; margin-bottom:7px; }
.subject-desc { font-size:13px; color:var(--gray-600); line-height:1.6; }

/* LEAD FORM */
.lead-bg { background:var(--violet-pale); }
.lead-inner { max-width:680px; margin:0 auto; padding:72px 48px; text-align:center; }
.lead-inner h2 { font-family:'Plus Jakarta Sans',sans-serif; font-size:30px; font-weight:800; margin-bottom:8px; color:var(--dark); }
.lead-inner p { color:var(--gray-600); margin-bottom:28px; }
.lead-form { background:white; border-radius:var(--radius); padding:28px; box-shadow:var(--shadow-md); text-align:left; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-field { display:flex; flex-direction:column; gap:5px; }
.form-field.full { grid-column:1/-1; }
.form-field label { font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:0.5px; color:var(--gray-400); }
.form-field input,.form-field select,.form-field textarea { padding:10px 12px; border:1px solid var(--gray-200); border-radius:var(--radius-sm); font-size:14px; color:var(--gray-800); background:var(--gray-50); font-family:'Inter',sans-serif; }
.form-field input:focus,.form-field select:focus,.form-field textarea:focus { outline:none; border-color:var(--violet); background:white; }
.btn-submit { width:100%; background:var(--violet); color:white; border:none; padding:14px; border-radius:var(--radius-sm); font-size:14px; font-weight:600; cursor:pointer; margin-top:16px; font-family:'Inter',sans-serif; transition:background 0.15s; }
.btn-submit:hover { background:var(--purple); }

/* FOOTER */
footer { background:var(--dark); color:rgba(255,255,255,0.5); padding:36px; text-align:center; font-size:13px; }
footer a { color:#A78BFA; text-decoration:none; }
.footer-logo { font-family:'Plus Jakarta Sans',sans-serif; font-size:18px; font-weight:700; color:white; margin-bottom:6px; }

/* COURSE HERO */
.course-hero { background:linear-gradient(160deg,#F5F3FF,#FAFAF9); padding:52px 48px; }
.course-hero-inner { max-width:1160px; margin:0 auto; }
.breadcrumb { display:flex; align-items:center; gap:7px; font-size:13px; color:var(--gray-400); margin-bottom:16px; }
.breadcrumb a { color:var(--violet); text-decoration:none; }
.course-hero h1 { font-family:'Plus Jakarta Sans',sans-serif; font-size:36px; font-weight:800; margin-bottom:10px; color:var(--dark); }
.course-hero h1 span { color:var(--violet); }
.course-hero p { font-size:15px; color:var(--gray-600); }

/* COURSE GRID */
.course-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:24px; }
.assignment-card { background:white; border-radius:var(--radius); padding:20px; border:1px solid var(--gray-200); cursor:pointer; transition:all 0.15s; position:relative; overflow:hidden; }
.assignment-card::before { content:''; position:absolute; left:0; top:0; bottom:0; width:3px; background:linear-gradient(180deg,var(--violet),var(--pink)); }
.assignment-card:hover { box-shadow:var(--shadow-md); border-color:var(--lavender); }
.assignment-num { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.5px; color:var(--violet); margin-bottom:6px; }
.assignment-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:15px; font-weight:700; margin-bottom:8px; color:var(--dark); }
.assignment-meta { display:flex; gap:6px; flex-wrap:wrap; }
.meta-tag { background:var(--gray-50); border:1px solid var(--gray-200); padding:2px 8px; border-radius:100px; font-size:11px; color:var(--gray-600); }
.lock-badge { position:absolute; top:14px; right:14px; color:var(--violet); font-size:13px; }

/* ASSIGNMENT PAGE */
.assignment-hero { background:linear-gradient(160deg,#F5F3FF,#FAFAF9); padding:52px 48px; border-bottom:1px solid var(--gray-200); }
.assignment-hero-inner { max-width:800px; margin:0 auto; }
.assignment-meta-row { display:flex; gap:8px; flex-wrap:wrap; margin-top:14px; }
.assignment-content { max-width:800px; margin:0 auto; padding:48px; }
.content-section { margin-bottom:28px; }
.content-section h3 { font-family:'Plus Jakarta Sans',sans-serif; font-size:18px; font-weight:700; margin-bottom:10px; color:var(--dark); }
.content-section p { color:var(--gray-600); line-height:1.8; font-size:15px; }

/* BLUR LOCK */
.content-locked { position:relative; margin-top:32px; }
.content-blur { filter:blur(4px); user-select:none; pointer-events:none; opacity:0.6; }
.lock-overlay {
  position:absolute; top:0; left:0; right:0; bottom:0;
  background:linear-gradient(to bottom,transparent 0%,rgba(250,250,249,0.85) 30%,rgba(250,250,249,0.98) 60%,#FAFAF9 100%);
  display:flex; align-items:flex-end; justify-content:center; padding-bottom:40px;
}
.lock-card { background:white; border-radius:var(--radius); padding:28px 32px; box-shadow:var(--shadow-lg); border:1px solid var(--lavender); width:100%; max-width:440px; text-align:center; }
.lock-card-icon { font-size:32px; margin-bottom:10px; }
.lock-card-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:18px; font-weight:800; margin-bottom:6px; color:var(--dark); }
.lock-card-sub { font-size:13px; color:var(--gray-600); margin-bottom:18px; }
.lock-form { display:flex; flex-direction:column; gap:10px; text-align:left; }
.lock-form input,.lock-form select { padding:10px 12px; border:1px solid var(--gray-200); border-radius:var(--radius-sm); font-size:13px; font-family:'Inter',sans-serif; width:100%; }
.lock-form input:focus,.lock-form select:focus { outline:none; border-color:var(--violet); }
.btn-unlock { width:100%; background:var(--violet); color:white; border:none; padding:12px; border-radius:var(--radius-sm); font-size:14px; font-weight:600; cursor:pointer; font-family:'Inter',sans-serif; transition:background 0.15s; }
.btn-unlock:hover { background:var(--purple); }

/* SUCCESS */
.success-overlay { display:none; position:fixed; inset:0; background:rgba(17,24,39,0.6); backdrop-filter:blur(6px); z-index:1001; align-items:center; justify-content:center; }
.success-overlay.open { display:flex; }
.success-box { background:white; border-radius:20px; padding:44px 36px; width:90%; max-width:400px; text-align:center; box-shadow:0 20px 60px rgba(0,0,0,0.15); }
.success-icon { font-size:52px; margin-bottom:14px; }
.success-title { font-family:'Plus Jakarta Sans',sans-serif; font-size:22px; font-weight:800; margin-bottom:7px; }
.success-sub { color:var(--gray-600); margin-bottom:22px; font-size:14px; }
.btn-success { background:var(--violet); color:white; border:none; padding:12px 28px; border-radius:var(--radius-sm); font-size:14px; font-weight:600; cursor:pointer; font-family:'Inter',sans-serif; }

/* FLOATING WA */
.wa-float { position:fixed; bottom:24px; right:24px; background:#22C55E; color:white; width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:24px; box-shadow:0 4px 16px rgba(34,197,94,0.35); text-decoration:none; z-index:999; transition:transform 0.15s; }
.wa-float:hover { transform:scale(1.08); }

/* RESPONSIVE */
@media(max-width:768px){
  .hero { grid-template-columns:1fr; padding:36px 16px; }
  .calc-card,.nav-links { display:none; }
  .programs-grid,.whyus-grid,.steps-grid,.subjects-grid { grid-template-columns:1fr; }
  .course-grid { grid-template-columns:1fr; gap:12px; }
  .form-grid { grid-template-columns:1fr; }
  nav { padding:0 16px; height:56px; }
  .section { padding:48px 16px; }
  .course-hero { padding:36px 16px; }
  .assignment-hero { padding:36px 16px; }
  .assignment-content { padding:24px 16px; }
  .hero h1 { font-size:26px; line-height:1.2; }
  .section-title { font-size:22px; }
  .hero-btns { flex-direction:column; }
  .btn-hero-primary,.btn-hero-secondary { width:100%; justify-content:center; padding:13px 16px; }
  .program-card { padding:20px 16px; }
  .whyus-grid { grid-template-columns:1fr 1fr; }
  .why-card { padding:16px; }
  .assignment-card { padding:16px; }
  .logo-sub { display:none; }
  .logo-text { font-size:15px; }
  .announce { font-size:11px; padding:8px 12px; }
  .hero-pills { gap:8px; }
  .hero-pill { font-size:12px; }
  footer { padding:28px 16px; }
  .lead-inner { padding:48px 16px; }
  .steps-grid { grid-template-columns:1fr; }
}