/* Light theme + centered hero logo (transparent) */
:root{
  --bg:#f7f8fc; --card:#ffffff; --muted:#606b85; --text:#111827; --ring:rgba(17,24,39,.08);
  --accent:#4f46e5; --accent-2:#6366f1; --border:#e5e7eb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,Segoe UI,Roboto,Arial,sans-serif}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}
.brand-logo{height:36px;width:auto;border:none;background:transparent}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-weight:700;letter-spacing:.08em}
.brand-tag{font-size:12px;color:var(--muted)}

.nav{display:flex;align-items:center;gap:16px}
.nav-link{color:#334155}
.nav-link:hover{color:#0f172a}
.btn-outline,.btn-ghost,.btn-primary{display:inline-flex;align-items:center;gap:.5rem;border-radius:12px;padding:.6rem .9rem;border:1px solid var(--ring)}
.btn-outline{color:#0f172a;background:#fff}
.btn-outline:hover{background:#f3f4f6}
.btn-ghost{background:#eef2ff;color:#3730a3;border:none}
.btn-ghost:hover{background:#e0e7ff}
.btn-primary{background:linear-gradient(180deg,var(--accent),var(--accent-2));border:none;color:white;box-shadow:0 8px 26px rgba(79,70,229,.25)}
.btn-primary:hover{filter:brightness(1.04)}
.menu-btn{display:none;background:none;border:1px solid var(--ring);border-radius:10px;padding:.45rem .6rem;color:#0f172a}
.mobile-menu{display:none;padding:10px 20px;border-top:1px solid var(--border);background:#fff}

/* Hero */
.hero{background:radial-gradient(1200px 600px at 20% -10%,rgba(99,102,241,.15),transparent),radial-gradient(1000px 600px at 80% 0,rgba(99,102,241,.08),transparent);padding:84px 0 64px;text-align:center}
.hero-inner{display:flex;flex-direction:column;align-items:center}
.hero-logo-banner{width:min(65vw,360px);height:auto;margin:0 auto 18px}
.hero h1{font-size:clamp(28px,3.2vw,48px);line-height:1.15;margin:0 0 14px;color:#0f172a}
.hero .accent{color:#3730a3}
.lead{color:#475569;max-width:780px;margin:0 auto}
.cta-row{display:flex;justify-content:center;gap:12px;margin:18px 0 6px}
.helper{color:#475569;font-size:14px}

/* Sections */
.section{padding:72px 0}
.section.alt{background:#ffffff}
.section-title{font-size:clamp(22px,2.2vw,32px);margin:0 0 8px;color:#0f172a}
.muted{color:#475569}
.grid.two{display:grid;grid-template-columns:1.2fr .8fr;gap:26px}
.features{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.features li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.tick{display:inline-grid;place-items:center;height:26px;width:26px;background:#16a34a;border-radius:8px;font-weight:700;color:#fff}

.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:0 10px 30px rgba(9,16,35,.06)}
.card-title{font-weight:700;margin-bottom:10px;color:#0f172a}
.card-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.label{color:#475569;margin-right:6px}
.full{display:block;text-align:center;margin-top:16px}

/* Form */
.form{display:grid;gap:12px}
.form label{display:grid;gap:8px;font-size:14px;color:#0f172a}
.form input,.form textarea{width:100%;background:#fff;border:1px solid var(--border);border-radius:12px;padding:.7rem .85rem;color:#0f172a;outline:none}
.form input:focus,.form textarea:focus{border-color:#a5b4fc;box-shadow:0 0 0 4px rgba(165,180,252,.35)}
.form-note{color:#64748b;font-size:12px}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:#fff;padding:18px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.footer-links{display:flex;align-items:center;gap:10px}
.link{color:#3730a3}

@media (max-width: 880px){
  .grid.two{grid-template-columns:1fr}
  .menu-btn{display:inline-flex}
  .nav .nav-link,.nav .btn-outline{display:none}
  .mobile-menu.show{display:flex;flex-direction:column;gap:10px}
}