:root{
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #1e293b;
  --brand: #0ea5e9;
  --brand-dark: #0284c7;
  --card: #f8fafc;
  --ring: rgba(14,165,233,.25);
  --radius: 16px;
  --shadow: 0 8px 30px rgba(2,8,23,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color:var(--text); background:var(--bg); line-height:1.6;
}
img{max-width:100%; display:block}

.container{max-width:1080px; margin:0 auto; padding:0 20px}
.center{text-align:center}
.tiny{font-size:.8rem}
.muted{color:var(--muted)}
.accent{color:var(--brand-dark)}
.v-gap{gap:16px}
.v-center{align-items:center}
.flex{display:flex}
.between{justify-content:space-between}

.grid-2{display:grid; grid-template-columns:1.2fr 1fr; gap:40px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:24px}
@media (max-width: 900px){
  .grid-2{grid-template-columns:1fr}
  .grid-3, .grid-4{grid-template-columns:1fr}
}

.site-header{position:sticky; top:0; z-index:50; background:#fff; border-bottom:1px solid #eef2f7}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:inherit}
.brand-logo{width:28px; height:28px}
.brand-name{font-weight:700}
.menu{display:flex; gap:18px; list-style:none; margin:0; padding:0}
.menu a{color:var(--text); text-decoration:none; font-weight:500}
.menu a:hover{color:var(--brand)}

.hamburger{display:none; background:transparent; border:0; width:40px; height:40px; padding:8px}
.hamburger span{display:block; height:2px; background:#0f172a; margin:6px 0}
.show-sm{display:none}
.hide-sm{display:inline-flex}
@media (max-width: 800px){
  .primary-nav{display:none}
  .show-sm{display:inline-flex}
  .hide-sm{display:none}
}

.btn{display:inline-flex; align-items:center; justify-content:center; padding:12px 20px; border-radius:999px; font-weight:700; text-decoration:none; border:1px solid transparent; box-shadow:var(--shadow)}
.btn-primary{background:var(--brand); color:white}
.btn-primary:hover{background:var(--brand-dark)}

.eyebrow, .section-eyebrow{letter-spacing:.12em; text-transform:uppercase; color:var(--muted); font-size:.8rem}
.lead{max-width:760px; margin:0 auto 24px; color:var(--muted)}

.hero{padding:48px 0 24px}
.hero h1{font-size:40px; line-height:1.1; margin:.2em 0}
@media (min-width: 900px){ .hero h1{font-size:54px} }
.hero .stats{display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin:24px auto; max-width:720px}
.stat{background:var(--card); border-radius:var(--radius); padding:14px 16px; box-shadow:var(--shadow); text-align:left}
.stat strong{font-size:20px; display:block}
.stat span{color:var(--muted); font-size:.9rem}

.hero-graphic{margin:28px 0 6px}
.grid-bg{height:220px; border-radius:20px; background-image: linear-gradient(#e2e8f0 1px, transparent 1px), linear-gradient(90deg,#e2e8f0 1px,transparent 1px); background-size:16px 16px; background-color:#f8fafc; border:1px solid #e2e8f0}

.trusted-by{margin:12px auto 0}
.trusted-by .logos{display:flex; gap:18px; list-style:none; justify-content:center; padding:0; margin:10px 0 0}
.trusted-by .logos li{background:#fff; border:1px solid #eaeef6; padding:6px 10px; border-radius:10px; font-weight:700; color:#475569}

.why{background:#f6f9fc; padding:40px 0}
.why h2{margin:8px 0 18px; text-align:center}
.cards{display:grid; grid-template-columns:repeat(2,1fr); gap:18px}
.card{background:#fff; padding:18px; border-radius:16px; box-shadow:var(--shadow)}
.card h3{margin-top:0}
@media (max-width: 800px){ .cards{grid-template-columns:1fr} }

.approach{padding:50px 0}
.approach h2{margin:8px 0 24px}
.features .feature{background:var(--card); border-radius:16px; padding:18px; box-shadow:var(--shadow)}

.impact{padding:50px 0; background:#fff}
.mockup-card{background:var(--card); border-radius:16px; box-shadow:var(--shadow); overflow:hidden}
.mockup-header{padding:10px 14px; border-bottom:1px solid #e5e7eb; font-weight:700; background:#fff}
.mockup-body{padding:16px}
.bar{height:12px; background:#e5e7eb; border-radius:999px; margin:12px 0; overflow:hidden}
.bar span{display:block; height:100%; background:var(--brand)}

.testimonials{padding:56px 0; background:#f8fafc}
.testimonials h2{text-align:center; margin:0 0 18px}
.testimonial{background:#fff; padding:18px; border-radius:16px; box-shadow:var(--shadow)}

.faq{padding:56px 0}
.accordion .item{border:1px solid #e5e7eb; border-radius:12px; margin:10px 0; overflow:hidden; background:#fff}
.acc-btn{width:100%; text-align:left; padding:16px 18px; font-weight:700; border:0; background:#fff; cursor:pointer}
.acc-panel{display:none; padding:0 18px 16px; color:var(--muted)}
.acc-btn.active{box-shadow: inset 0 0 0 2px var(--ring)}

.cta{padding:56px 0; background:#0b1220; color:#e2e8f0; text-align:center}
.cta .btn-primary{box-shadow:none}

.site-footer{padding:40px 0; background:#0b1220; color:#cbd5e1}
.site-footer a{color:#cbd5e1; text-decoration:none}
.footer-menu{display:flex; gap:12px; list-style:none; padding:0; margin:0 0 12px}
.socials{display:flex; gap:10px}
.social{width:32px; height:32px; display:inline-flex; align-items:center; justify-content:center; border:1px solid #334155; border-radius:8px}

/* Utilities */
h1,h2,h3{line-height:1.2}
h2{font-size:30px}
p{margin:.4em 0 1em}
section{scroll-margin-top:80px}