/* CarrierHero — marketing design system (from designer, extended for production static pages) */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Instrument+Serif:ital@0;1&family=Saira:wght@500;600;700;800&family=Hanken+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #1B1C1F; --ink-2: #3A3C42; --ink-3: #6B6E76; --ink-4: #9A9CA3;
  --paper: #E5E8DD; --paper-2: #DBDFD2; --card: #FFFFFF;
  --line: #CDD2C2; --line-2: #BAC0AD;
  --sunrise: #FF6B2C; --sunrise-soft: #FFE6D6;
  --moss: #1F7A55; --moss-soft: #D6EBDF; --sky: #0E6E8C; --sky-soft: #D2ECF2;
  --amber: #C9821A; --amber-soft: #FBE9C9; --rose: #B43A32; --rose-soft: #F7DBD8;
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 28px;
  --shadow-sm: 0 1px 2px rgba(20,18,14,0.04), 0 2px 6px rgba(20,18,14,0.04);
  --shadow-md: 0 4px 12px rgba(20,18,14,0.06), 0 12px 30px rgba(20,18,14,0.06);
  --shadow-lg: 0 16px 40px rgba(20,18,14,0.10), 0 30px 80px rgba(20,18,14,0.08);
  --sans: 'Geist', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --disp: 'Saira', 'Geist', ui-sans-serif, system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 500; }
img { max-width: 100%; display: block; }

/* logo */
.ch-logo { display:inline-flex; align-items:center; gap:11px; font-family: var(--disp); font-weight: 800; letter-spacing:-0.02em; color: var(--ink); }
.ch-logo svg { display:block; flex:0 0 auto; }
.ch-logo .ch-name { font-size: 19px; line-height: 1; }
.ch-logo .ch-name .accent { color: var(--sunrise); }

/* pills */
.pill { display:inline-flex; align-items:center; gap:6px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; line-height: 1; }
.pill .dot { width:6px; height:6px; border-radius:50%; flex:0 0 auto; }
.pill.active { background: var(--moss-soft); color: var(--moss); } .pill.active .dot { background: var(--moss); animation: pulse 1.6s infinite; }
.pill.waiting { background: var(--amber-soft); color: var(--amber); } .pill.waiting .dot { background: var(--amber); }
.pill.delivered { background: var(--sky-soft); color: var(--sky); } .pill.delivered .dot { background: var(--sky); }
@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity: 0.4 } }

/* buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding: 12px 18px; border-radius: 999px; border:0; font-family: var(--sans); font-size: 15px; font-weight: 500; cursor:pointer; transition: transform .12s, box-shadow .12s, background .12s; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--sunrise); color: #fff; }
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(255,107,44,0.35); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-2); }
.btn-ghost:hover { background: var(--paper-2); }

.card { background: var(--card); border-radius: var(--r-lg); border: 1px solid var(--line); }
.card.soft { background: var(--paper-2); border: 1px solid var(--line); }
.mono { font-family: var(--mono); font-feature-settings: "tnum" 1; }
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 400; }
.kicker { font-family: var(--mono); font-size: 12px; color: var(--sunrise); text-transform: uppercase; letter-spacing: 0.12em; }
.signal-bar { background: var(--line); border-radius: 999px; height: 8px; overflow:hidden; }
.signal-bar > i { display:block; height:100%; background: linear-gradient(90deg, var(--sunrise), #FFA46B); border-radius: 999px; }

/* layout */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.mk-nav { display:flex; align-items:center; justify-content:space-between; padding: 22px 32px; max-width: 1180px; margin: 0 auto; gap: 20px; }
.mk-nav nav { display:flex; gap: 26px; font-size: 14px; color: var(--ink-2); }
.mk-nav nav a:hover { color: var(--ink); }
.nav-cta { display:flex; gap: 10px; }
.section { padding: 72px 0; }
.grid-2 { display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center; }
.grid-4 { display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
h1.hero { font-size: 72px; line-height: 1.02; letter-spacing:-0.035em; margin: 22px 0 18px; font-weight: 500; }
h2.head { font-size: 44px; line-height: 1.05; letter-spacing:-0.025em; font-weight: 500; }
.lead { font-size: 19px; line-height: 1.5; color: var(--ink-2); max-width: 540px; }

/* hero card stack (landing) */
.hero-stack { position:relative; min-height: 540px; }
.hero-stack .card { position:absolute; }

/* dark band */
.band-dark { background:#1B1C1F; color:#FBF9F4; }
.band-dark .kicker { color:#FFA46B; }
.band-dark h2.head { color:#FBF9F4; }

/* footer */
.mk-footer { border-top:1px solid var(--line); display:grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 32px; padding: 48px 0 64px; }
.mk-footer h4 { font-size: 12px; font-weight: 600; margin: 0 0 14px; }
.mk-footer a { display:block; font-size: 13px; color: var(--ink-3); margin-bottom: 8px; }
.mk-footer a:hover { color: var(--ink); }

/* ===== HERO-DARK theme (use-case + pricing) ===== */
.hero-dark {
  --paper:#0E1116; --paper-2:#171B22; --card:#1E2530; --line:#2A323F; --line-2:#39424F;
  --ink:#F4F6FA; --ink-2:#A7B0BE; --ink-3:#6B7686; --ink-4:#4C5564;
  --sunrise:#FF6B2C; --sunrise-hi:#FF9A5A; --moss:#37C871; --amber:#F0A431; --rose:#F25555;
  background: var(--paper); color: var(--ink); font-family: 'Hanken Grotesk', ui-sans-serif, system-ui, sans-serif;
  position: relative; min-height: 100vh; overflow: hidden;
}
.hero-dark .disp { font-family: 'Saira', sans-serif; letter-spacing:-0.02em; }
.hero-dark .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.hero-dark .ch-logo { font-family: 'Saira', sans-serif; color:#F4F6FA; }
.hero-dark .kicker { font-family: 'JetBrains Mono', monospace; }
.hero-glow { position:absolute; inset:0; pointer-events:none; overflow:hidden; z-index:0; }
.hero-glow::before { content:""; position:absolute; width:900px; height:520px; right:-6%; top:-12%; background: radial-gradient(circle, rgba(255,107,44,0.16), transparent 60%); filter: blur(20px); }
.hero-glow::after { content:""; position:absolute; width:680px; height:420px; left:-8%; bottom:-10%; background: radial-gradient(circle, rgba(255,107,44,0.07), transparent 55%); filter: blur(20px); }
.hd-grain { position:absolute; inset:0; pointer-events:none; opacity:0.025; mix-blend-mode:overlay; z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.hero-dark .wrap, .hero-dark .mk-nav, .hero-dark section, .hero-dark footer { position: relative; z-index: 2; }
.btn-glow { display:inline-flex; align-items:center; justify-content:center; gap:8px; background: linear-gradient(180deg, var(--sunrise-hi), var(--sunrise)); color:#fff; box-shadow: 0 8px 22px rgba(255,90,31,0.32); border:0; border-radius:12px; padding:13px 20px; font-weight:600; font-size:15px; font-family:'Hanken Grotesk',sans-serif; cursor:pointer; transition: transform .12s, box-shadow .12s; }
.btn-glow:hover { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(255,90,31,0.42); }
.btn-steel { display:inline-flex; align-items:center; justify-content:center; gap:8px; background: transparent; color: var(--ink); border:1px solid var(--line-2); border-radius:12px; padding:13px 20px; font-weight:600; font-size:15px; font-family:'Hanken Grotesk',sans-serif; cursor:pointer; }
.btn-steel:hover { background: var(--paper-2); }
.hd-pill { display:inline-flex; align-items:center; gap:7px; font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:500; padding:6px 12px; border-radius:999px; text-transform:uppercase; letter-spacing:0.06em; }
.hd-pill .dot { width:7px; height:7px; border-radius:50%; }
.hd-pill.live { background:rgba(55,200,113,0.13); color:#69e29c; } .hd-pill.live .dot { background:#37C871; box-shadow:0 0 0 4px rgba(55,200,113,0.18); animation:pulse 1.6s infinite; }
.hd-card { background: linear-gradient(180deg, var(--card), var(--paper-2)); border:1px solid var(--line); border-radius:16px; }
h1.hero-d { font-family:'Saira',sans-serif; font-size: 56px; line-height: 1.02; font-weight: 800; letter-spacing:-0.02em; margin: 16px 0 18px; }
.hero-dark .lead { color: var(--ink-2); }

/* seo comparison table */
.seo-table { border:1px solid var(--line); border-radius:16px; overflow:hidden; }
.seo-row { display:grid; grid-template-columns:1.3fr 1fr 1.2fr 1.1fr 1fr; gap:12px; padding:16px 22px; font-size:14px; align-items:center; }
.seo-row + .seo-row { border-top:1px solid var(--line); }
.seo-row.head { background:rgba(255,255,255,0.03); font-size:12px; text-transform:uppercase; letter-spacing:0.08em; color: var(--ink-3); }
.seo-row.accent { background:rgba(255,107,44,0.1); }

/* pricing tiers */
.tier-grid { display:grid; grid-template-columns: repeat(3,1fr); gap:18px; }
.tier { padding:28px; position:relative; }
.tier.featured { border:1.5px solid var(--sunrise); box-shadow: 0 20px 50px rgba(255,90,31,0.18); }
.tier .price { display:flex; align-items:baseline; gap:4px; margin-top:14px; }
.tier .feat { display:flex; gap:10px; align-items:flex-start; font-size:14px; color:var(--ink-2); margin-top:11px; }
.tier .check { width:16px; height:16px; border-radius:999px; background:rgba(55,200,113,0.16); color:#69e29c; display:grid; place-items:center; font-size:10px; font-weight:700; flex:0 0 auto; margin-top:2px; }

/* faq */
.faq-item { padding:18px 0; border-bottom:1px solid var(--line); }
.faq-item summary { font-size:17px; font-weight:600; cursor:pointer; list-style:none; display:flex; justify-content:space-between; gap:16px; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"+"; color:var(--ink-4); font-size:20px; }
.faq-item[open] summary::after { content:"\2212"; }
.faq-item p { font-size:15px; color:var(--ink-2); line-height:1.6; margin:10px 0 0; }

/* responsive */
@media (max-width: 980px) {
  .grid-2, .grid-3, .grid-4, .tier-grid, .mk-footer { grid-template-columns: 1fr; }
  .mk-nav nav { display:none; }
  h1.hero { font-size: 48px; } h1.hero-d { font-size: 40px; } h2.head { font-size: 34px; }
  .hero-stack { min-height: 0; }
  .hero-stack .card { position: static !important; transform: none !important; width: 100% !important; margin-bottom: 12px; }
  .seo-row { grid-template-columns: 1fr 1fr; font-size: 13px; }
}
@media (max-width: 560px) {
  .wrap, .mk-nav { padding-left: 20px; padding-right: 20px; }
  h1.hero { font-size: 38px; } .section { padding: 48px 0; }
}