*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: #1e293b; line-height: 1.7; background: #fff; }
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 800px; margin: 0 auto; }

/* Header */
.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); backdrop-filter: blur(8px); border-bottom: 1px solid #e2e8f0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; }
.logo img { height: 40px; width: 40px; border-radius: 8px; object-fit: contain; }
.logo-name { font-weight: 800; font-size: 1.2rem; color: #1e293b; }
.logo-name span { background: linear-gradient(135deg, #2563eb, #7c3aed); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.header-nav { display: flex; gap: 1.5rem; align-items: center; }
.header-nav a { font-size: 0.9rem; font-weight: 500; color: #64748b; transition: color 0.2s; }
.header-nav a:hover { color: #2563eb; text-decoration: none; }
.btn-nav { background: #2563eb; color: #fff !important; padding: 0.5rem 1.25rem; border-radius: 8px; font-weight: 600; font-size: 0.9rem; }
.btn-nav:hover { background: #1d4ed8 !important; text-decoration: none !important; }
.btn-nav-ghost { border: 1px solid #e2e8f0; color: #475569 !important; padding: 0.5rem 1.25rem; border-radius: 8px; font-weight: 600; font-size: 0.9rem; }
.btn-nav-ghost:hover { background: #f8fafc !important; text-decoration: none !important; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: #1e293b; margin: 5px 0; }

/* Breadcrumb */
.breadcrumb { background: #f8fafc; border-bottom: 1px solid #e2e8f0; padding: 0.6rem 1.5rem; font-size: 0.82rem; color: #94a3b8; }
.breadcrumb .container { max-width: 1200px; margin: 0 auto; }
.breadcrumb a { color: #64748b; }
.breadcrumb a:hover { color: #2563eb; }

/* Hero */
.hero { padding: 4.5rem 1.5rem 3.5rem; background: linear-gradient(135deg, #eff6ff 0%, #f0f0ff 50%, #faf5ff 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; max-width: 1200px; margin: 0 auto; }
.hero-tag { display: inline-flex; align-items: center; gap: 0.5rem; background: #dbeafe; color: #1d4ed8; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.35rem 0.9rem; border-radius: 99px; margin-bottom: 1.25rem; }
.hero h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.18; color: #0f172a; margin-bottom: 1.1rem; }
.hero h1 .accent { background: linear-gradient(135deg, #2563eb, #7c3aed); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-lead { font-size: 1.08rem; color: #475569; margin-bottom: 1.5rem; line-height: 1.8; }
.hero-bullets { list-style: none; margin-bottom: 1.75rem; }
.hero-bullets li { padding: 0.3rem 0; font-weight: 500; color: #334155; display: flex; align-items: center; gap: 0.6rem; }
.hero-bullets li::before { content: ""; display: inline-block; width: 20px; height: 20px; background: #2563eb url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E") center/12px no-repeat; border-radius: 50%; flex-shrink: 0; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.hero-note { font-size: 0.8rem; color: #94a3b8; }
.hero-img { border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
.hero-img img { width: 100%; }

/* Buttons */
.btn-primary { display: inline-block; background: linear-gradient(135deg, #2563eb, #7c3aed); color: #fff !important; padding: 0.875rem 2rem; border-radius: 10px; font-weight: 700; font-size: 1rem; box-shadow: 0 4px 14px rgba(37,99,235,0.3); transition: all 0.2s; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); text-decoration: none !important; }
.btn-outline { display: inline-block; border: 2px solid #e2e8f0; color: #475569 !important; padding: 0.875rem 2rem; border-radius: 10px; font-weight: 600; font-size: 1rem; transition: all 0.2s; }
.btn-outline:hover { border-color: #2563eb; color: #2563eb !important; text-decoration: none !important; }

/* Sections */
.section { padding: 4rem 1.5rem; }
.section-alt { background: #f8fafc; }
.section-tag { display: inline-block; background: #dbeafe; color: #1d4ed8; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.28rem 0.85rem; border-radius: 99px; margin-bottom: 0.9rem; }
.section h2 { font-size: 1.85rem; font-weight: 800; color: #0f172a; margin-bottom: 1rem; }
.section-center { text-align: center; }
.section-sub { font-size: 1.05rem; color: #64748b; max-width: 600px; margin: 0 auto 2.5rem; }
.section p { color: #475569; font-size: 1.02rem; margin-bottom: 0.9rem; }
.section p strong { color: #1e293b; }

/* Two col */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.two-col.flip { direction: rtl; }
.two-col.flip > * { direction: ltr; }
.img-frame { border-radius: 14px; overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,0.09); }
.img-frame img { width: 100%; }

/* Lists */
.check-list { list-style: none; padding: 0; margin-bottom: 1.25rem; }
.check-list li { padding: 0.4rem 0 0.4rem 1.75rem; position: relative; font-weight: 500; color: #334155; font-size: 1rem; }
.check-list li::before { content: "✔"; position: absolute; left: 0; color: #16a34a; font-weight: 700; }
.dot-list { list-style: none; padding: 0; margin-bottom: 1.25rem; }
.dot-list li { padding: 0.35rem 0 0.35rem 1.5rem; position: relative; color: #475569; font-size: 1rem; }
.dot-list li::before { content: ""; position: absolute; left: 0; top: 0.75rem; width: 8px; height: 8px; border-radius: 50%; background: #2563eb; }
.red-list { list-style: none; padding: 0; margin-bottom: 1.25rem; }
.red-list li { padding: 0.35rem 0 0.35rem 1.5rem; position: relative; color: #475569; font-size: 1rem; }
.red-list li::before { content: ""; position: absolute; left: 0; top: 0.75rem; width: 8px; height: 8px; border-radius: 50%; background: #f43f5e; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.step-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 1.75rem 1.5rem; text-align: center; position: relative; }
.step-num { width: 46px; height: 46px; background: linear-gradient(135deg, #2563eb, #7c3aed); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 800; margin: 0 auto 1rem; }
.step-card h3 { font-size: 1rem; font-weight: 700; color: #0f172a; margin-bottom: 0.4rem; }
.step-card p { font-size: 0.9rem; color: #64748b; margin: 0; }
.step-arrow { position: absolute; right: -1rem; top: 50%; transform: translateY(-50%); font-size: 1.25rem; color: #cbd5e1; z-index: 1; }

/* Feature cards grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.feature-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 14px; padding: 1.5rem; transition: all 0.2s; }
.feature-card:hover { border-color: #93c5fd; box-shadow: 0 4px 16px rgba(37,99,235,0.08); transform: translateY(-3px); }
.feature-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.feature-card h3 { font-size: 0.95rem; font-weight: 700; color: #0f172a; margin-bottom: 0.35rem; }
.feature-card p { font-size: 0.85rem; color: #64748b; line-height: 1.5; margin: 0; }

/* Comparison table */
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.compare-table th { background: #1e293b; color: #fff; padding: 0.75rem 1.25rem; text-align: left; font-weight: 700; }
.compare-table th:first-child { border-radius: 10px 0 0 0; }
.compare-table th:last-child { border-radius: 0 10px 0 0; text-align: center; }
.compare-table td { padding: 0.75rem 1.25rem; border-bottom: 1px solid #e2e8f0; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:nth-child(even) td { background: #f8fafc; }
.compare-table td:last-child { text-align: center; font-weight: 600; color: #16a34a; }
.compare-table .no { color: #f43f5e; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #e2e8f0; }
.faq-item summary { font-weight: 600; font-size: 0.98rem; color: #1e293b; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 1.1rem 0; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: #2563eb; font-weight: 300; flex-shrink: 0; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-body { color: #64748b; padding-bottom: 1.1rem; font-size: 0.95rem; line-height: 1.7; }

/* Related */
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.related-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 1.25rem; transition: all 0.2s; }
.related-card:hover { border-color: #2563eb; box-shadow: 0 4px 12px rgba(37,99,235,0.1); transform: translateY(-2px); text-decoration: none; }
.related-card h3 { font-size: 0.9rem; font-weight: 700; color: #0f172a; margin-bottom: 0.35rem; }
.related-card p { font-size: 0.82rem; color: #64748b; margin: 0; }

/* Founder banner */
.founder-banner { background: linear-gradient(135deg,#0f172a,#1e293b); border: 1px solid rgba(96,165,250,0.25); border-radius: 18px; padding: 2rem 2.25rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.founder-banner .badge { display:inline-block; background:rgba(96,165,250,0.15); color:#60a5fa; font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.08em; padding:0.3rem 0.8rem; border-radius:99px; margin-bottom:0.75rem; }
.founder-banner-text h3 { color:#fff; font-size:1.15rem; font-weight:800; margin-bottom:0.4rem; }
.founder-banner-text p { color:rgba(255,255,255,0.65); font-size:0.92rem; margin:0; max-width: 520px; }
.founder-banner .btn-white { flex-shrink:0; }
@media (max-width:768px) { .founder-banner { flex-direction:column; text-align:center; } .founder-banner-text p { max-width:none; } }

/* CTA finale */
.cta-final { padding: 4.5rem 1.5rem; background: linear-gradient(135deg, #2563eb, #7c3aed); text-align: center; }
.cta-final h2 { font-size: 2.1rem; font-weight: 800; color: #fff; margin-bottom: 1rem; }
.cta-final p { font-size: 1.05rem; color: rgba(255,255,255,0.85); margin-bottom: 2rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.btn-white { display: inline-block; background: #fff; color: #2563eb !important; padding: 0.875rem 2.5rem; border-radius: 10px; font-weight: 700; font-size: 1.05rem; transition: all 0.2s; box-shadow: 0 4px 14px rgba(0,0,0,0.15); }
.btn-white:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); text-decoration: none !important; color: #1d4ed8 !important; }
.cta-note { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 0.75rem; }

/* Footer */
.footer { background: #0f172a; color: #94a3b8; padding: 3rem 1.5rem 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer h3 { color: #fff; font-size: 0.88rem; font-weight: 700; margin-bottom: 0.9rem; }
.footer p, .footer a { font-size: 0.83rem; color: #94a3b8; line-height: 1.6; }
.footer a:hover { color: #fff; text-decoration: none; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.45rem; }
.footer-logo { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.9rem; }
.footer-logo img { height: 34px; width: 34px; border-radius: 6px; object-fit: contain; }
.footer-logo span { color: #fff; font-weight: 800; font-size: 1.05rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 1.5rem; text-align: center; font-size: 0.78rem; color: #64748b; }

/* Responsive */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 1rem 1.5rem; border-bottom: 1px solid #e2e8f0; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
  .header-nav.open { display: flex; }
  .mobile-toggle { display: block; }
  .hero-grid, .two-col, .two-col.flip, .steps-grid { grid-template-columns: 1fr; }
  .two-col.flip { direction: ltr; }
  .hero h1 { font-size: 1.9rem; }
  .hero { padding: 3rem 1.5rem 2.5rem; }
  .hero-img { order: -1; }
  .step-arrow { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 3rem 1.5rem; }
}
@media (max-width: 480px) {
  .features-grid, .related-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.65rem; }
  .hero-ctas { flex-direction: column; }
}