*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Arial,sans-serif;color:#111827;background:#fff;line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit}button,input,select,textarea{font-family:inherit}.container{width:min(1180px,92%);margin:auto}header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #eef0f3}.nav{height:64px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800}.brand-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#eafbf8;color:#009f98}.nav-right{display:flex;align-items:center;gap:28px}.nav-links{display:flex;gap:26px;font-weight:600;color:#4b5563}.nav-btn,.btn{border:0;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;border-radius:999px;font-weight:800}.nav-btn{background:#050914;color:#fff;padding:11px 22px}.btn{background:#009f98;color:#fff;padding:15px 30px;min-height:54px;min-width:170px;box-shadow:0 12px 25px rgba(0,159,152,.22)}.btn-secondary{background:#fff;color:#111827;border:1px solid #d9dee7;box-shadow:none}.hero{padding:100px 0 80px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px}.eyebrow{display:inline-flex;padding:8px 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rgba(31,41,55,.07)}.tag{display:inline-block;margin-bottom:14px;padding:6px 12px;border-radius:999px;background:#f0fbfa;color:#008b84;font-size:13px;font-weight:800}.card h3,.spectrum-card h3,.question-card h3{font-size:22px;margin-bottom:8px}.card p,.spectrum-card p,.question-card p{color:#5f6673}.icon{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;font-size:25px;color:#fff;margin-bottom:18px}.teal{background:#009f98}.coral{background:#ff6b5f}.purple{background:#7c5cff}.amber{background:#f5a623}.service-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-bottom:30px}.tab-btn{border:1px solid #d9dee7;background:#fff;padding:12px 18px;border-radius:999px;font-weight:800;cursor:pointer}.tab-btn.active{background:#050914;color:#fff}.quote-box{background:#050914;color:#fff;border-radius:34px;padding:36px;margin-top:34px}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.quote-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:20px}.quote-item strong{display:block;font-size:22px;margin-bottom:5px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step{text-align:center}.step span{display:inline-grid;place-items:center;width:46px;height:46px;background:#efeefe;color:#3b2f88;border-radius:50%;font-weight:900;margin-bottom:14px}.about-box,.testimonial{max-width:900px;margin:auto;text-align:center}.final-cta{text-align:center;background:#050914;color:#fff;border-radius:36px;padding:60px 25px;margin-bottom:60px}.final-cta h2{font-size:clamp(2rem,5vw,3rem);margin-bottom:24px}footer{padding:30px 0;background:#f8fafc;color:#5f6673;font-size:15px}.footer-content{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.question-meta{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 15px}.question-meta span{background:#f8fafc;border:1px solid #eef0f3;border-radius:999px;padding:6px 10px;color:#475569;font-size:13px;font-weight:700}.question-page{padding:70px 0}.question-box{max-width:920px;margin:auto;background:#fff;border:1px solid #eef0f3;border-radius:30px;padding:38px;box-shadow:0 16px 40px rgba(31,41,55,.07)}.question-box h1{font-size:clamp(2rem,5vw,3rem);line-height:1.12;margin-bottom:15px;letter-spacing:-.04em}.question-text{margin-top:25px;color:#334155}.admin-body{background:#f8fafc}.admin-wrap{width:min(1120px,92%);margin:35px auto}.admin-card{background:#fff;border:1px solid #eef0f3;border-radius:18px;padding:24px;box-shadow:0 12px 30px rgba(31,41,55,.08);margin-bottom:20px}.admin-nav{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.admin-nav a,.small-btn{display:inline-flex;background:#050914;color:#fff;border-radius:999px;padding:9px 15px;font-weight:800;border:0;cursor:pointer}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0}.admin-stats .admin-card h3{font-size:15px;color:#64748b;margin-bottom:8px}.admin-stats .admin-card strong{font-size:28px;color:#111827}.admin-table{width:100%;border-collapse:collapse;background:#fff}.admin-table th,.admin-table td{border-bottom:1px solid #eef0f3;padding:12px;text-align:left;vertical-align:top}.field{margin-bottom:14px}.field label{font-weight:800;display:block;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid #d9dee7;border-radius:12px;padding:12px;font-size:16px}.field textarea{min-height:150px}.alert{padding:14px 16px;border-radius:14px;margin-bottom:15px}.alert.success{background:#eafbf8;color:#006b66}.alert.error{background:#fff1f2;color:#9f1239}.modal-overlay{position:fixed;inset:0;background:rgba(5,9,20,.65);z-index:200;display:none;align-items:center;justify-content:center;padding:18px}.modal-overlay.active{display:flex}.order-modal{width:min(760px,100%);max-height:92vh;overflow-y:auto;background:#fff;border-radius:30px;box-shadow:0 30px 80px rgba(0,0,0,.25);padding:28px;position:relative}.modal-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.modal-head h2{font-size:26px;letter-spacing:-.03em}.close-modal{width:42px;height:42px;border:0;border-radius:50%;background:#f1f5f9;cursor:pointer;font-size:22px}.progress{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.progress span{height:8px;border-radius:999px;background:#e5e7eb}.progress span.active{background:#009f98}.form-step{display:none}.form-step.active{display:block}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-group{margin-bottom:16px}label{display:block;margin-bottom:7px;font-weight:800;color:#1f2937}input,select{width:100%;border:1px solid #d9dee7;border-radius:16px;padding:14px 15px;font-size:16px;outline:none}input:focus,select:focus,.rich-editor:focus{border-color:#009f98;box-shadow:0 0 0 4px rgba(0,159,152,.12)}.radio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.radio-card{border:1px solid #d9dee7;border-radius:18px;padding:15px;cursor:pointer;display:flex;align-items:center;gap:10px;font-weight:800}.radio-card input{width:auto}.exam-select{display:none;margin-top:18px}.exam-select.active{display:block}.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.toolbar button{border:1px solid #d9dee7;background:#fff;border-radius:10px;padding:8px 11px;cursor:pointer;font-weight:800}.rich-editor{min-height:170px;border:1px solid #d9dee7;border-radius:18px;padding:16px;outline:none;color:#111827;font-size:16px}.rich-editor:empty:before{content:"Paste or type your instructions here...";color:#94a3b8}.modal-actions{display:flex;justify-content:space-between;gap:12px;margin-top:24px;flex-wrap:wrap}.ghost-btn{background:#fff;color:#111827;border:1px solid #d9dee7;padding:13px 22px;border-radius:999px;font-weight:800;cursor:pointer}@media(max-width:900px){.hero-grid,.spectrum-grid{grid-template-columns:1fr;text-align:center}.hero p{margin-left:auto;margin-right:auto}.trust-points,.hero-actions{justify-content:center}.hero-photo-wrap{margin:auto}}@media(max-width:768px){.admin-stats{grid-template-columns:1fr}.container{width:min(100% - 32px,1180px)}.nav-right{display:none}.hero{padding:60px 0 48px}.hero-photo{height:420px}.services-grid,.portfolio-grid,.questions-grid,.steps,.quote-grid,.form-grid,.radio-grid{grid-template-columns:1fr}.btn{width:100%;max-width:300px}.footer-content{flex-direction:column;text-align:center;gap:8px}.admin-table{display:block;overflow-x:auto;white-space:nowrap}}@media(max-width:520px){.container{width:min(100% - 24px,1180px)}.brand{font-size:19px}.brand-icon{width:38px;height:38px}.nav{height:58px}.hero{padding:42px 0 36px}.hero h1{font-size:2.1rem;letter-spacing:-.035em}.hero p,.section-subtitle{font-size:15.5px}.hero-actions{flex-direction:column;align-items:center}.hero-photo{height:340px;border-radius:24px}.hero-photo-bg{inset:16px -8px -8px 16px;border-radius:24px}.photo-badge{left:12px;right:12px;bottom:12px;max-width:none}section{padding:42px 0}.card,.spectrum-card,.about-box,.testimonial,.step,.question-card{padding:22px;border-radius:22px}.quote-box{padding:24px;border-radius:24px}.modal-overlay{padding:0;align-items:flex-end}.order-modal{width:100%;max-height:96vh;border-radius:24px 24px 0 0;padding:18px}.modal-head h2{font-size:22px}.modal-head p{font-size:14px}.toolbar button{padding:9px 10px}.modal-actions{position:sticky;bottom:-18px;background:#fff;padding:12px 0 18px}.modal-actions .btn,.modal-actions .ghost-btn{width:100%;max-width:none}}@media(prefers-reduced-motion:reduce){.fade-section{opacity:1;transform:none;transition:none}}

.whatsapp-float{position:fixed;left:20px;bottom:20px;z-index:9999;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e5e7eb;border-radius:999px;padding:10px 16px 10px 10px;box-shadow:0 14px 38px rgba(0,0,0,.18);color:#111827;text-decoration:none;animation:waFloat 2.4s ease-in-out infinite}.wa-icon{width:52px;height:52px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.wa-content{display:flex;flex-direction:column;line-height:1.15}.wa-content strong{font-size:14px}.wa-content small{font-size:12px;color:#64748b;font-weight:700}.wa-status{position:absolute;left:44px;top:9px;width:13px;height:13px;background:#22c55e;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 4px rgba(34,197,94,.18)}@keyframes waFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}@media(max-width:768px){.admin-stats{grid-template-columns:1fr}.whatsapp-float{left:12px;bottom:12px;right:auto;max-width:calc(100% - 24px);padding:9px 13px 9px 9px}.wa-icon{width:48px;height:48px}.wa-content strong{font-size:13px}.wa-content small{font-size:11px}.wa-status{left:39px;top:8px}}@media(max-width:420px){.whatsapp-float{bottom:10px}.wa-content{max-width:160px}.wa-content small{white-space:nowrap}}

.math-check {
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 16px;
}

.math-row {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 12px;
  align-items: center;
}

.math-question {
  font-weight: 800;
  color: #111827;
}

.math-check small {
  display: block;
  margin-top: 8px;
  color: #64748b;
}

@media (max-width: 520px) {
  .math-row {
    grid-template-columns: 1fr;
  }
}