/* ========================
   EdwinInventorLab — Landing Page Styles
   ======================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #1B2A4A;
  --orange: #F97316;
  --orange-dark: #EA580C;
  --teal: #0D9488;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #1E293B;
  --muted: #64748B;
  --border: #E2E8F0;
  --shadow: 0 4px 24px rgba(27,42,74,0.10);
  --shadow-lg: 0 12px 48px rgba(27,42,74,0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1140px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); line-height: 1.6; background: var(--white); }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
nav .inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
nav .logo { font-size: 1.1rem; font-weight: 700; color: var(--navy); letter-spacing: -0.02em; }
nav .logo span { color: var(--orange); }
nav .nav-links { display: flex; gap: 24px; list-style: none; }
nav .nav-links a { text-decoration: none; color: var(--muted); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
nav .nav-links a:hover { color: var(--navy); }
nav .nav-cta { background: var(--orange); color: white; padding: 8px 18px; border-radius: 8px; text-decoration: none; font-size: 0.875rem; font-weight: 600; transition: background 0.2s; }
nav .nav-cta:hover { background: var(--orange-dark); }
@media (max-width: 768px) { nav .nav-links { display: none; } }

/* BUTTONS */
.btn-primary {
  display: inline-block; padding: 14px 32px; border-radius: 10px;
  background: var(--orange); color: white; text-decoration: none;
  font-weight: 700; font-size: 1rem; transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(249,115,22,0.35);
  border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(249,115,22,0.4); }
.btn-secondary {
  display: inline-block; padding: 13px 28px; border-radius: 10px;
  border: 2px solid var(--border); color: var(--text); text-decoration: none;
  font-weight: 600; font-size: 0.95rem; transition: border-color 0.2s, color 0.2s;
  background: transparent;
}
.btn-secondary:hover { border-color: var(--navy); color: var(--navy); }

/* SECTION */
section { padding: 80px 24px; }
.container { max-width: var(--max-w); margin: 0 auto; }
.section-label {
  display: inline-block; padding: 4px 12px; border-radius: 20px;
  background: rgba(249,115,22,0.10); color: var(--orange); font-size: 0.8rem;
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-size: 2.25rem; font-weight: 700; color: var(--navy); line-height: 1.2;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.section-sub {
  font-size: 1.1rem; color: var(--muted); line-height: 1.7; max-width: 560px;
}
@media (max-width: 768px) {
  section { padding: 60px 20px; }
  .section-title { font-size: 1.75rem; }
}

/* HERO */
.hero {
  background: linear-gradient(160deg, #EFF6FF 0%, #FFF7ED 100%);
  padding: 80px 24px 100px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 400px; height: 400px; background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: white; border: 1px solid var(--border); padding: 6px 14px 6px 6px; border-radius: 100px; margin-bottom: 24px; font-size: 0.875rem; color: var(--text); box-shadow: var(--shadow); }
.hero-badge .dot { width: 24px; height: 24px; background: var(--teal); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.hero-badge .dot::after { content: ''; width: 8px; height: 8px; background: white; border-radius: 50%; }
.hero h1 { font-size: 2.75rem; font-weight: 800; color: var(--navy); line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero .hero-sub { font-size: 1.15rem; color: var(--muted); line-height: 1.7; margin-bottom: 32px; max-width: 460px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-meta { display: flex; gap: 24px; margin-top: 32px; font-size: 0.875rem; color: var(--muted); }
.hero-meta span { display: flex; align-items: center; gap: 6px; }
.hero-meta .emoji { font-size: 1rem; }
.hero-image { position: relative; }
.hero-image img { width: 100%; border-radius: 20px; box-shadow: var(--shadow-lg); display: block; }
.hero-image::after {
  content: ''; position: absolute; inset: -12px; border: 2px dashed rgba(249,115,22,0.2);
  border-radius: 28px; pointer-events: none;
}
@media (max-width: 900px) { .hero .container { grid-template-columns: 1fr; } .hero-image { display: none; } }

/* HOW IT WORKS */
.how-works { background: var(--white); }
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: 56px; position: relative; }
.steps-grid::before {
  content: ''; position: absolute; top: 40px; left: calc(10% + 20px); right: calc(10% + 20px);
  height: 2px; background: linear-gradient(90deg, var(--orange) 0%, var(--teal) 100%);
  z-index: 0;
}
.step-card { background: var(--light-bg); border-radius: var(--radius); padding: 28px 20px; text-align: center; position: relative; z-index: 1; transition: transform 0.2s, box-shadow 0.2s; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--orange); color: white; font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step-card:nth-child(even) .step-num { background: var(--teal); }
.step-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.step-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }
.step-outcome { margin-top: 48px; background: var(--navy); border-radius: 16px; padding: 40px 48px; display: flex; align-items: center; gap: 32px; }
.step-outcome-icon { font-size: 3rem; flex-shrink: 0; }
.step-outcome h3 { font-size: 1.5rem; font-weight: 700; color: white; margin-bottom: 8px; }
.step-outcome p { color: rgba(255,255,255,0.75); font-size: 0.95rem; }
@media (max-width: 900px) { .steps-grid { grid-template-columns: 1fr 1fr; } .steps-grid::before { display: none; } }
@media (max-width: 600px) { .steps-grid { grid-template-columns: 1fr; } .step-outcome { flex-direction: column; text-align: center; } }

/* WHO IT'S FOR */
.for-section { background: var(--light-bg); }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-top: 48px; }
.audience-card { background: white; border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); transition: box-shadow 0.2s, border-color 0.2s; }
.audience-card:hover { box-shadow: var(--shadow); border-color: transparent; }
.audience-card .age-tag { display: inline-block; padding: 4px 12px; border-radius: 6px; font-size: 0.8rem; font-weight: 600; margin-bottom: 16px; }
.audience-card:nth-child(1) .age-tag { background: #EDE9FE; color: #7C3AED; }
.audience-card:nth-child(2) .age-tag { background: #FEF3C7; color: #D97706; }
.audience-card:nth-child(3) .age-tag { background: #DBEAFE; color: #2563EB; }
.audience-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.audience-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }
.audience-card .focus-tag { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 12px; background: var(--orange); color: white; }
.audience-card .focus-tag.secondary { background: #E2E8F0; color: var(--muted); }
@media (max-width: 768px) { .audience-grid { grid-template-columns: 1fr; } }

/* PRICING */
.pricing { background: var(--white); text-align: center; }
.pricing-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 720px; margin: 48px auto 0; }
.pricing-card { border-radius: 20px; padding: 40px 36px; text-align: left; position: relative; }
.pricing-card.main { background: var(--navy); color: white; box-shadow: var(--shadow-lg); }
.pricing-card.alt { border: 2px solid var(--border); background: var(--white); }
.pricing-card .popular-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--orange); color: white; font-size: 0.75rem; font-weight: 700; padding: 4px 16px; border-radius: 100px; letter-spacing: 0.04em; text-transform: uppercase; }
.pricing-card h3 { font-size: 1rem; font-weight: 600; opacity: 0.8; margin-bottom: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.pricing-card .price { font-size: 3rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin-bottom: 4px; }
.pricing-card.main .price { color: var(--orange); }
.pricing-card .per { font-size: 0.9rem; opacity: 0.7; margin-bottom: 24px; }
.pricing-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-card li { font-size: 0.9rem; display: flex; align-items: flex-start; gap: 10px; line-height: 1.4; }
.pricing-card.main li { color: rgba(255,255,255,0.85); }
.pricing-card .check { color: var(--teal); font-size: 1.1rem; flex-shrink: 0; }
.pricing-card.main .check { color: #34D399; }
.pricing-card .btn-card { display: block; width: 100%; text-align: center; padding: 13px; border-radius: 10px; font-weight: 700; font-size: 0.95rem; text-decoration: none; transition: all 0.2s; }
.pricing-card.main .btn-card { background: var(--orange); color: white; }
.pricing-card.alt .btn-card { background: var(--navy); color: white; }
.pricing-note { margin-top: 32px; font-size: 0.85rem; color: var(--muted); }
@media (max-width: 600px) { .pricing-cards { grid-template-columns: 1fr; } }

/* ABOUT ED */
.about { background: linear-gradient(135deg, var(--navy) 0%, #1E3A5F 100%); color: white; }
.about .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 48px; }
.about-avatar { width: 200px; height: 200px; border-radius: 50%; background: linear-gradient(135deg, var(--orange) 0%, #F59E0B 100%); display: flex; align-items: center; justify-content: center; font-size: 4rem; font-weight: 800; color: white; margin-bottom: 24px; box-shadow: 0 8px 32px rgba(249,115,22,0.4); }
.about-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); padding: 6px 14px; border-radius: 8px; font-size: 0.875rem; margin-bottom: 24px; }
.about h2 { color: white; }
.about h2 + .section-sub { color: rgba(255,255,255,0.7); }
.about-right h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; }
.about-right p { color: rgba(255,255,255,0.8); font-size: 0.95rem; line-height: 1.7; margin-bottom: 24px; }
.credentials-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.credential-item { background: rgba(255,255,255,0.08); border-radius: 10px; padding: 16px; }
.credential-item .cred-num { font-size: 1.5rem; font-weight: 800; color: var(--orange); }
.credential-item .cred-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
@media (max-width: 768px) { .about .about-grid { grid-template-columns: 1fr; } .credentials-grid { grid-template-columns: 1fr 1fr; } }

/* LANGUAGE */
.language-section { background: var(--light-bg); text-align: center; }
.lang-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 680px; margin: 48px auto 0; }
.lang-card { background: white; border-radius: var(--radius); padding: 40px 32px; border: 1px solid var(--border); text-align: center; transition: box-shadow 0.2s, border-color 0.2s; }
.lang-card:hover { box-shadow: var(--shadow); border-color: var(--orange); }
.lang-card .flag { font-size: 3rem; margin-bottom: 16px; display: block; }
.lang-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.lang-card p { font-size: 0.9rem; color: var(--muted); }
@media (max-width: 600px) { .lang-grid { grid-template-columns: 1fr; } }

/* CTA */
.cta-section { background: linear-gradient(160deg, var(--navy) 0%, #0F1D35 100%); color: white; text-align: center; padding: 100px 24px; }
.cta-section h2 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em; color: white; margin-bottom: 16px; line-height: 1.2; }
.cta-section .cta-sub { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-bottom: 36px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-section .btn-primary { font-size: 1.1rem; padding: 16px 40px; }
.cta-section .btn-secondary { border-color: rgba(255,255,255,0.3); color: white; }
.cta-section .btn-secondary:hover { border-color: white; }
.cta-guarantee { margin-top: 28px; font-size: 0.875rem; color: rgba(255,255,255,0.5); }

/* ENROLL FORM */
.enroll-section { background: var(--white); }
.enroll-form-wrapper { max-width: 560px; margin: 48px auto 0; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-size: 0.95rem; font-family: var(--font); color: var(--text); transition: border-color 0.2s; background: white; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--orange); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success { text-align: center; padding: 48px; }
.form-success h3 { font-size: 1.5rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.form-success p { color: var(--muted); }

/* FOOTER */
footer { background: var(--navy); color: rgba(255,255,255,0.6); padding: 40px 24px; text-align: center; }
footer .footer-inner { max-width: var(--max-w); margin: 0 auto; }
footer p { font-size: 0.875rem; }
footer a { color: rgba(255,255,255,0.8); text-decoration: none; }
footer a:hover { color: white; }