:root {
  --blue: #1d4ed8;
  --blue-dark: #1e40af;
  --blue-light: #dbeafe;
  --green: #059669;
  --green-light: #d1fae5;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --radius: 12px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Arial, sans-serif; color: var(--gray-900); background: var(--white); line-height: 1.6; }

/* NAV */
nav { background: var(--white); border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 100; }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 1.3rem; font-weight: 800; color: var(--blue); text-decoration: none; letter-spacing: -.5px; }
.nav-logo span { color: var(--green); }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a { padding: 8px 16px; border-radius: 8px; text-decoration: none; font-size: .9rem; font-weight: 600; color: var(--gray-700); transition: background .15s; }
.nav-links a:hover { background: var(--gray-100); }
.nav-links .btn-nav { background: var(--blue); color: var(--white); }
.nav-links .btn-nav:hover { background: var(--blue-dark); }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 28px; border-radius: 8px; font-size: 1rem; font-weight: 700; cursor: pointer; border: none; text-decoration: none; transition: all .15s; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(29,78,216,.3); }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: #047857; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(5,150,105,.3); }
.btn-outline { background: var(--white); color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue-light); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; border-radius: 10px; }

/* SECTIONS */
section { padding: 80px 24px; }
.container { max-width: 1100px; margin: 0 auto; }
.section-label { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--blue); margin-bottom: 12px; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15; letter-spacing: -.5px; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.2; letter-spacing: -.3px; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { color: var(--gray-500); line-height: 1.7; }

/* CARDS */
.card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--gray-200); padding: 28px; box-shadow: var(--shadow); }

/* FORMS */
.form-group { margin-bottom: 18px; }
label { display: block; font-size: .85rem; font-weight: 700; color: var(--gray-700); margin-bottom: 6px; }
input, select, textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--gray-200); border-radius: 8px; font-size: .95rem; font-family: inherit; color: var(--gray-900); transition: border .15s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29,78,216,.1); }
textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* GRID */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* HERO SPLIT */
.hero-split { background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%); border-bottom: 1px solid var(--gray-200); padding: 100px 24px 80px; }
.hero-split h1 em { color: var(--blue); font-style: normal; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.split-cards { display: flex; flex-direction: column; gap: 16px; }
.split-card { padding: 20px 24px; border-radius: var(--radius); display: flex; align-items: flex-start; gap: 16px; }
.split-card.blue { background: var(--blue-light); border: 1px solid #bfdbfe; }
.split-card.green { background: var(--green-light); border: 1px solid #6ee7b7; }
.split-card .icon { font-size: 1.8rem; flex-shrink: 0; }
.split-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: 4px; }
.split-card p { font-size: .85rem; margin: 0; }

/* HOW IT WORKS */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 48px; }
.step { text-align: center; padding: 32px 24px; }
.step-num { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 800; margin: 0 auto 16px; }
.step-num.blue { background: var(--blue); color: var(--white); }
.step-num.green { background: var(--green); color: var(--white); }
.step h3 { margin-bottom: 8px; }

/* STATS BAR */
.stats-bar { background: var(--blue); color: var(--white); padding: 48px 24px; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stat-n { font-size: 2.5rem; font-weight: 800; }
.stat-l { font-size: .85rem; opacity: .75; margin-top: 4px; }

/* FOOTER */
footer { background: var(--gray-900); color: #94a3b8; padding: 48px 24px 32px; }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-logo { font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.footer-logo span { color: var(--green); }
footer h4 { color: var(--white); font-size: .85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
footer a { color: #94a3b8; text-decoration: none; display: block; font-size: .9rem; margin-bottom: 8px; }
footer a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; font-size: .85rem; display: flex; justify-content: space-between; }

/* NOTICE */
.notice { display: flex; align-items: flex-start; gap: 12px; padding: 14px 18px; border-radius: 8px; font-size: .875rem; }
.notice.success { background: var(--green-light); border: 1px solid #6ee7b7; color: #065f46; }
.notice.error { background: #fee2e2; border: 1px solid #fca5a5; color: #991b1b; }

/* RESPONSIVE */
@media(max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .steps, .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .nav-links a:not(.btn-nav) { display: none; }
  section { padding: 56px 20px; }
}