/* Mainstreet AI — shared stylesheet */
:root{
  --navy:#0b1f3a;
  --navy-2:#13294b;
  --blue:#2563eb;
  --blue-2:#3b82f6;
  --accent:#f59e0b;
  --accent-2:#fbbf24;
  --ink:#1a2233;
  --body:#3d4759;
  --muted:#6b7689;
  --line:#e5e9f0;
  --bg:#ffffff;
  --bg-soft:#f6f8fc;
  --bg-soft-2:#eef3fb;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 10px 40px rgba(11,31,58,.10);
  --shadow-sm:0 4px 18px rgba(11,31,58,.07);
  --maxw:1140px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--body);
  background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:.8rem}
.lead{font-size:1.18rem;color:var(--body)}
.muted{color:var(--muted)}
.center{text-align:center}

/* Buttons */
.btn{display:inline-block;padding:14px 26px;border-radius:10px;font-weight:700;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:.18s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:var(--navy)}
.btn-primary:hover{background:var(--accent-2)}
.btn-light{background:var(--white);color:var(--navy);border-color:var(--white)}
.btn-light:hover{background:#f1f5fb}
.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5)}
.btn-outline:hover{border-color:var(--white);background:rgba(255,255,255,.08)}
.btn-ghost{background:var(--bg-soft);color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-soft-2)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--navy)}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--navy));display:grid;place-items:center;color:#fff;font-weight:800;font-size:1rem}
.brand .dot{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink);font-weight:600;font-size:.97rem}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav-cta{padding:10px 18px;border-radius:9px;background:var(--navy);color:#fff!important}
.nav-cta:hover{background:var(--navy-2)}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 75% -10%,rgba(37,99,235,.18),transparent),linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:84px 0 90px;position:relative;overflow:hidden}
.hero h1{color:#fff}
.hero .lead{color:#c8d6ee;max-width:620px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#dbe7fb;padding:7px 14px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:22px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-stats{display:flex;gap:34px;margin-top:40px;flex-wrap:wrap}
.hero-stats .num{font-size:1.9rem;font-weight:800;color:#fff}
.hero-stats .lbl{font-size:.85rem;color:#9fb3d6}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:26px;backdrop-filter:blur(4px)}
.hero-card h3{color:#fff;font-size:1.05rem}
.hero-card .row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#cdd9ee;font-size:.95rem}
.hero-card .row:last-child{border-bottom:0}
.hero-card .check{width:26px;height:26px;flex:none;border-radius:7px;background:rgba(245,158,11,.18);color:var(--accent-2);display:grid;place-items:center;font-weight:800}

/* Sections */
section{padding:72px 0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.bg-soft{background:var(--bg-soft)}
.bg-navy{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff}
.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy .lead{color:#c8d6ee}

/* Grid + cards */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:50px;height:50px;border-radius:12px;background:var(--bg-soft-2);color:var(--blue);display:grid;place-items:center;font-size:1.4rem;margin-bottom:16px}
.card h3{margin-bottom:.4em}
.card p{font-size:.97rem;margin-bottom:0;color:var(--body)}

/* Steps */
.steps{counter-reset:step;display:grid;gap:22px}
.step{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm)}
.step .n{counter-increment:step;width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.15rem}
.step .n::before{content:counter(step)}
.step h3{margin-bottom:.3em}
.step p{margin-bottom:0;font-size:.97rem}

/* Portfolio */
.portfolio{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.proj{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);transition:.2s}
.proj:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.proj .top{padding:22px 24px;color:#fff}
.proj .top .tag{font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
.proj .top h3{color:#fff;margin:.3em 0 0}
.proj .body{padding:20px 24px}
.proj .body p{font-size:.94rem;margin-bottom:14px}
.proj .metrics{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:14px}
.proj .metrics .m .v{font-weight:800;color:var(--ink);font-size:1.05rem}
.proj .metrics .m .k{font-size:.78rem;color:var(--muted)}
.p-golf{background:linear-gradient(135deg,#15803d,#166534)}
.p-baby{background:linear-gradient(135deg,#7c3aed,#5b21b6)}
.p-trade{background:linear-gradient(135deg,#0f766e,#0b1f3a)}
.p-extra{background:linear-gradient(135deg,#b45309,#7c2d12)}

/* Pills / lists */
.pillrow{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.pill{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-weight:600;font-size:.92rem;color:var(--ink)}
.ticklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.ticklist li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;font-size:.98rem}
.ticklist li::before{content:"\2713";color:var(--blue);font-weight:800;background:var(--bg-soft-2);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:.85rem}

/* Industries */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ind{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;box-shadow:var(--shadow-sm)}
.ind h3{display:flex;align-items:center;gap:10px}
.ind .emoji{font-size:1.5rem}
.ind ul{padding-left:0;list-style:none;margin:14px 0 0}
.ind li{padding:7px 0;border-top:1px dashed var(--line);font-size:.93rem}
.ind li:first-child{border-top:0}

/* Pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.tier.feat{border-color:var(--blue);box-shadow:0 14px 50px rgba(37,99,235,.18);position:relative}
.tier.feat::before{content:"Most popular";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--navy);font-weight:700;font-size:.78rem;padding:5px 14px;border-radius:999px}
.tier h3{font-size:1.25rem}
.tier .price{font-size:2rem;font-weight:800;color:var(--ink);margin:.2em 0}
.tier .price span{font-size:.95rem;font-weight:600;color:var(--muted)}
.tier ul{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:10px;flex:1}
.tier li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:.94rem}
.tier li::before{content:"\2713";color:var(--blue);font-weight:800}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 22px;margin-bottom:14px;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:1.03rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--blue);font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 18px;margin:0;color:var(--body);font-size:.98rem}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--blue),var(--navy));color:#fff;text-align:center;border-radius:22px;padding:56px 30px;margin:0 auto}
.cta-band h2{color:#fff}
.cta-band p{color:#dbe7fb;max-width:560px;margin:0 auto 26px}

/* Forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-weight:600;color:var(--ink);font-size:.9rem;margin:14px 0 6px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:9px;font-family:inherit;font-size:1rem;color:var(--ink);background:var(--bg-soft)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue-2);background:#fff}
textarea{min-height:120px;resize:vertical}

/* Footer */
.site-footer{background:var(--navy);color:#aebdd6;padding:56px 0 30px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.site-footer a{color:#aebdd6;display:block;padding:5px 0}
.site-footer a:hover{color:#fff}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#7e8eab;font-size:.85rem}

/* utility */
.mt0{margin-top:0}.mb0{margin-bottom:0}
.maxw-720{max-width:720px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}

/* Responsive */
@media(max-width:900px){
  .hero-grid,.split,.form-row{grid-template-columns:1fr}
  .grid-3,.grid-4,.portfolio,.ind-grid,.tiers{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;gap:14px}
  .menu-toggle{display:block}
  .grid-2,.grid-3,.grid-4,.portfolio,.ind-grid,.tiers,.footer-grid{grid-template-columns:1fr}
  section{padding:54px 0}
  .hero{padding:60px 0}
}