/* alertloop marketing site — shared styles
   Matches investor-preview-v1 palette: orange accent + AI purple + clean light surfaces.
*/
:root{
  --bg:#ffffff;
  --canvas:#f5f6f8;
  --card:#ffffff;
  --card-soft:#fbfcfd;
  --border:rgba(15,23,42,0.07);
  --border-strong:rgba(15,23,42,0.12);
  --ink-1:#0f172a;
  --ink-2:#334155;
  --ink-3:#64748b;
  --ink-4:#94a3b8;
  --accent:#ff5d1a;
  --accent-soft:rgba(255,93,26,0.10);
  --accent-line:rgba(255,93,26,0.25);
  --ai:#6366f1;
  --ai-soft:rgba(99,102,241,0.10);
  --ai-line:rgba(99,102,241,0.22);
  --ok:#10b981;
  --ok-soft:rgba(16,185,129,0.10);
  --warn:#f59e0b;
  --crit:#e11d48;
  --shadow-1:0 1px 2px rgba(15,23,42,0.04);
  --shadow-2:0 1px 3px rgba(15,23,42,0.06),0 8px 24px -8px rgba(15,23,42,0.08);
  --shadow-3:0 1px 3px rgba(15,23,42,0.06),0 16px 40px -12px rgba(15,23,42,0.12);
  --font-display:"Inter Tight",ui-sans-serif,system-ui,sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink-1);font-family:var(--font-body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;letter-spacing:-0.005em}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}

/* ───── Top nav ───── */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-0.015em}
.brand .logo{display:inline-flex;align-items:center;justify-content:center}
.brand .logo svg{width:44px;height:28px;display:block}
.nav .links{display:flex;gap:2px;margin-left:auto}
.nav .links a{padding:8px 14px;border-radius:8px;color:var(--ink-2);font-weight:500;font-size:14px;transition:all .12s}
.nav .links a:hover{background:var(--canvas);color:var(--ink-1)}
.nav .links a.on{color:var(--ink-1);font-weight:600}
.nav .cta{padding:8px 16px;background:var(--ink-1);color:#fff;border-radius:9px;font-weight:600;font-size:14px;transition:all .12s}
.nav .cta:hover{filter:brightness(1.1)}

/* ───── Hero / sections ───── */
.section{max-width:1180px;margin:0 auto;padding:80px 24px}
.section.tight{padding:48px 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);padding:5px 12px;border-radius:999px}
.eyebrow.ai{color:var(--ai);background:var(--ai-soft);border-color:var(--ai-line)}
.h1{font-family:var(--font-display);font-size:54px;font-weight:800;line-height:1.05;letter-spacing:-0.03em;margin:18px 0 18px;max-width:780px}
.h1 .grad{background:linear-gradient(135deg,var(--accent),#ff7a3d);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;display:inline-block;padding:0.08em 0;margin:-0.08em 0}
.h2{font-family:var(--font-display);font-size:38px;font-weight:700;letter-spacing:-0.02em;line-height:1.15;margin:0 0 14px}
.h3{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-0.015em;margin:0 0 8px}
.lede{font-size:18px;color:var(--ink-2);max-width:640px;line-height:1.6}

/* ───── Buttons ───── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;font-family:inherit;font-size:15px;font-weight:600;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:10px;box-shadow:0 6px 18px -6px rgba(255,93,26,0.5);transition:all .15s}
.btn:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink-1);border:1px solid var(--border-strong);box-shadow:none}
.btn.ghost:hover{background:var(--canvas);transform:none}
.btn.ai{background:var(--ai);border-color:var(--ai);box-shadow:0 6px 18px -6px rgba(99,102,241,0.5)}
.btn.lg{padding:14px 28px;font-size:16px}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* ───── Hero illustration: faux dashboard card ───── */
.hero-dash{margin-top:56px;border-radius:16px;background:#0b1426;color:#cbd5e1;padding:20px;box-shadow:0 30px 80px -30px rgba(15,23,42,0.35);border:1px solid rgba(255,255,255,0.06);position:relative;overflow:hidden}
.hero-dash::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 240px at 30% 0%,rgba(255,93,26,0.16),transparent 60%);pointer-events:none}
.hero-dash .row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}
.hero-dash .tile{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:16px}
.hero-dash .tile .l{font-size:10.5px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:0.08em;color:#7e8aa4}
.hero-dash .tile .v{font-family:var(--font-display);font-size:24px;font-weight:700;color:#fff;margin-top:6px;letter-spacing:-0.02em}
.hero-dash .tile .d{font-size:11px;color:#7e8aa4;margin-top:4px}
.hero-dash .tile .d .up{color:var(--ok)}
.hero-dash .tile .d .dn{color:var(--crit)}
.hero-dash .chart{height:110px;margin-top:18px;background:linear-gradient(180deg,rgba(255,93,26,0.12),transparent 70%);border-radius:10px;position:relative}
.hero-dash .chart svg{width:100%;height:100%}

/* ───── Feature grid ───── */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.feature{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:var(--shadow-1);transition:all .15s}
.feature:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--border-strong)}
.feature .ico{width:42px;height:42px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.feature.ai .ico{background:var(--ai-soft);color:var(--ai)}
.feature h3{font-family:var(--font-display);font-size:17px;font-weight:700;margin:0 0 6px;letter-spacing:-0.01em}
.feature p{color:var(--ink-3);font-size:14px;margin:0;line-height:1.6}

/* ───── Plans / pricing ───── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plan{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-1)}
.plan.featured{border-color:var(--accent);box-shadow:0 1px 3px rgba(15,23,42,0.06),0 16px 50px -12px rgba(255,93,26,0.25);position:relative;transform:scale(1.02)}
.plan .ribbon{position:absolute;top:-12px;right:24px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;padding:5px 12px;border-radius:999px;font-family:var(--font-mono)}
.plan h3{font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:-0.01em;margin:0 0 6px}
.plan .tag{font-size:13px;color:var(--ink-3);margin-bottom:24px;line-height:1.5}
.plan .price{font-family:var(--font-display);font-size:42px;font-weight:800;letter-spacing:-0.03em;margin-bottom:4px}
.plan .price .per{font-size:14px;font-weight:500;color:var(--ink-3)}
.plan .free-note{font-size:12.5px;color:var(--ok);font-weight:600;margin-bottom:24px;font-family:var(--font-mono)}
.plan ul{list-style:none;padding:0;margin:0 0 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.plan ul li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink-2)}
.plan ul li::before{content:"";width:16px;height:16px;flex-shrink:0;margin-top:3px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'><circle cx='8' cy='8' r='7' fill='%23ff5d1a' fill-opacity='0.1'/><path d='M4.5 8.2L7 10.5L11.5 5.8' stroke='%23ff5d1a' stroke-width='1.8' stroke-linecap='round'/></svg>");background-repeat:no-repeat}
.plan .btn{justify-content:center;width:100%}

/* ───── Stats strip ───── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:32px 24px;box-shadow:var(--shadow-1)}
.stats .stat{text-align:center}
.stats .stat .v{font-family:var(--font-display);font-size:36px;font-weight:800;letter-spacing:-0.02em;background:linear-gradient(135deg,var(--accent),#ff7a3d);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;line-height:1.12;padding:0.06em 0}
.stats .stat .l{font-size:13px;color:var(--ink-3);margin-top:8px}

/* ───── Logos strip ───── */
.logos{display:flex;flex-wrap:wrap;gap:36px;justify-content:center;align-items:center;opacity:.75;color:var(--ink-3);font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:0.05em}

/* ───── Contact form ───── */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.contact-info .item{margin-bottom:24px}
.contact-info .item .l{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-4);margin-bottom:4px}
.contact-info .item .v{font-size:15px;color:var(--ink-1);font-weight:500}
.contact-info .item .v a{color:var(--accent);font-weight:600}

.form-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:var(--shadow-2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:12.5px;font-weight:600;color:var(--ink-2);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:0.05em}
.form-field input, .form-field textarea, .form-field select{font-family:inherit;font-size:14.5px;padding:11px 14px;border:1px solid var(--border-strong);border-radius:9px;background:#fff;color:var(--ink-1);transition:all .15s;outline:none;width:100%}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.form-field textarea{resize:vertical;min-height:120px}
.form-status{margin-top:14px;padding:12px 16px;border-radius:9px;font-size:14px;display:none}
.form-status.ok{display:block;background:var(--ok-soft);color:#047857;border:1px solid rgba(16,185,129,0.22)}
.form-status.err{display:block;background:rgba(225,29,72,0.08);color:#9f1239;border:1px solid rgba(225,29,72,0.22)}

/* ───── Footer ───── */
footer.f{border-top:1px solid var(--border);background:var(--canvas);margin-top:80px;padding:40px 24px 32px}
footer.f .inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}
footer.f h4{font-family:var(--font-display);font-size:13px;font-weight:700;color:var(--ink-2);margin:0 0 14px;text-transform:uppercase;letter-spacing:0.06em}
footer.f a{display:block;color:var(--ink-3);font-size:14px;padding:4px 0;transition:color .12s}
footer.f a:hover{color:var(--accent)}
footer.f .brand-block .tag{color:var(--ink-3);font-size:13.5px;margin-top:14px;max-width:280px;line-height:1.55}
footer.f .copy{max-width:1180px;margin:32px auto 0;padding-top:24px;border-top:1px solid var(--border);color:var(--ink-4);font-size:12.5px;text-align:center;font-family:var(--font-mono)}

/* ───── Client logos ───── */
.clients-eyebrow{text-align:center;font-family:var(--font-mono);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-4);margin:0 0 26px}
.client-logos{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:26px 44px}
.client-logos .client-logo{max-height:38px;width:auto}
.client-logos .logo-slot{display:grid;place-items:center;min-width:118px;height:46px;border:1px dashed var(--border-strong);border-radius:10px;color:var(--ink-4);font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:0.07em}

/* ───── Mobile app install bar (mobile only) ───── */
.app-bar{display:none}

/* ───── Responsive ───── */
@media (max-width:880px){
  .app-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:60;display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--card);border:1px solid var(--border-strong);border-radius:14px;box-shadow:0 14px 40px -10px rgba(15,23,42,0.4);animation:appbar-in .35s ease both}
  .app-bar .ic{width:40px;height:40px;border-radius:10px;flex-shrink:0}
  .app-bar .tx{flex:1;min-width:0}
  .app-bar .tx b{display:block;font-family:var(--font-display);font-size:14px;color:var(--ink-1);line-height:1.2}
  .app-bar .tx span{font-size:12px;color:var(--ink-3)}
  .app-bar .go{flex-shrink:0;padding:9px 15px;background:var(--accent);color:#fff;border-radius:9px;font-weight:600;font-size:13px;box-shadow:0 6px 16px -6px rgba(255,93,26,0.6)}
  .app-bar .x{flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;color:var(--ink-4);font-size:20px;background:transparent;border:none;line-height:1;cursor:pointer}
}
@keyframes appbar-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

@media (max-width:880px){
  .h1{font-size:38px}
  .h2{font-size:28px}
  .section{padding:48px 20px}
  .grid-3, .grid-2, .plans, .stats{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
  .nav .links{display:none}
  footer.f .inner{grid-template-columns:1fr 1fr;gap:32px}
  .plan.featured{transform:none}
  .hero-dash .row{grid-template-columns:repeat(2,1fr)}
}