/* ============================================================
   Arrow Datacenters — production stylesheet ("Light Enterprise")
   Hand-authored, framework-free. No CDN, no build step.
   Linked from includes/header.php.
   ============================================================ */

:root {
  --bg:        #f8fafc;   /* slate-50 */
  --bg-soft:   #f1f5f9;   /* slate-100 */
  --surface:   #ffffff;
  --line:      #e2e8f0;   /* slate-200 */
  --line-soft: #cbd5e1;   /* slate-300 */

  --text:      #0f172a;   /* slate-900 */
  --body:      #475569;   /* slate-600 */
  --muted:     #64748b;   /* slate-500 */
  --muted-2:   #94a3b8;   /* slate-400 */

  --accent:        #0284c7;   /* sky-600 */
  --accent-strong: #0369a1;   /* sky-700 */
  --navy:          #0f2747;
  --trust:         #059669;   /* emerald-600 */
  --trust-bg:      #ecfdf5;   /* emerald-50 */

  --radius-pill: 999px; --maxw: 1120px;
  --shadow: 0 10px 30px -18px rgba(15,23,42,0.25);
  --shadow-lg: 0 24px 50px -28px rgba(15,23,42,0.35);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); background: var(--bg); color: var(--body); line-height: 1.6; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: var(--radius-pill); border: 1px solid var(--line); background: #fff; color: var(--muted); box-shadow: var(--shadow); }
.badge--accent { border-color: #bae6fd; color: var(--accent-strong); background: #f0f9ff; }
.badge--trust  { border-color: #a7f3d0; color: var(--trust); background: var(--trust-bg); }
.badge svg { width: 14px; height: 14px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 14px; font-weight: 600; line-height: 1; white-space: nowrap; padding: 11px 20px; border-radius: var(--radius-pill); border: 1px solid transparent; cursor: pointer; text-align: center; transition: transform .12s ease, background-color .15s, border-color .15s, box-shadow .15s; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 10px 24px -12px rgba(2,132,199,0.7); }
.btn--primary:hover { background: var(--accent-strong); }
.btn--ghost { border-color: var(--line-soft); color: var(--text); background: #fff; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--trust { background: var(--trust); color: #fff; }
.btn--trust:hover { background: #047857; }
.btn--block { width: 100%; justify-content: center; }
.btn--sm { padding: 8px 14px; font-size: 13px; }

/* ---------- Header / Nav ---------- */
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.9); backdrop-filter: blur(10px); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand .logo { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; color: #fff; background: linear-gradient(140deg, #38bdf8 0%, var(--accent) 45%, var(--navy) 100%); box-shadow: 0 6px 16px -6px rgba(2,132,199,0.55), inset 0 1px 0 rgba(255,255,255,0.35); }
.brand .logo svg { width: 40px; height: 40px; }
.brand .brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand .brand-name { display: block; font-weight: 700; font-size: 15px; color: var(--text); line-height: 1.15; }
.brand .brand-sub { display: block; font-size: 11px; color: var(--muted); line-height: 1.2; margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--body); padding-bottom: 3px; border-bottom: 2px solid transparent; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--navy); border-color: var(--accent); }
.nav-cta { margin-left: 4px; flex: none; }
.nav-toggle { display: none; height: 40px; width: 40px; border-radius: 10px; border: 1px solid var(--line-soft); background: #fff; color: var(--text); align-items: center; justify-content: center; cursor: pointer; }
.nav-toggle svg { width: 22px; height: 22px; }
.mobile-menu { display: none; border-top: 1px solid var(--line); background: #fff; }
.mobile-menu.open { display: block; }
.mobile-menu .wrap { display: flex; flex-direction: column; gap: 4px; padding-block: 14px; }
.mobile-menu a { padding: 9px 4px; font-size: 15px; color: var(--body); }
.mobile-menu a.active { color: var(--navy); font-weight: 600; }
.mobile-menu .btn { margin-top: 8px; }
@media (max-width: 880px) { .nav-links { display: none; } .nav-toggle { display: inline-flex; } }

/* ---------- Sections / type ---------- */
section { position: relative; }
.section { padding-block: 72px; }
.section-tight { padding-block: 52px; }
h1,h2,h3 { letter-spacing: -0.02em; line-height: 1.14; margin: 0; color: var(--text); }
.h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 800; color: var(--navy); }
.h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; color: var(--navy); }
.h3 { font-size: 17px; font-weight: 700; color: var(--navy); }
.lede { color: var(--body); font-size: 16px; max-width: 62ch; margin-top: 14px; }
.rule { height: 3px; width: 70px; margin: 22px 0; border-radius: 3px; background: var(--accent); }
.alt { background: var(--bg-soft); border-block: 1px solid var(--line); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: 56px 40px; }
.page-hero .h1 { font-size: clamp(28px, 4vw, 42px); }

/* ---------- Home hero ---------- */
.hero { padding-top: 56px; padding-bottom: 32px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 26px; }
.hero-stat .k { font-family: var(--mono); font-size: 22px; color: var(--navy); font-weight: 600; }
.hero-stat .v { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; margin-top: 2px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; align-items: center; }

/* ---------- Panel ---------- */
.panel { position: relative; border: 1px solid var(--line); background: #fff; border-radius: 20px; padding: 24px; box-shadow: var(--shadow-lg); }
.panel h3 { font-size: 14px; color: var(--text); }
.panel .panel-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.dl-grid--single { grid-template-columns: 1fr; }
.dl-grid dt { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.dl-grid dd { margin: 3px 0 0; font-size: 13px; color: var(--text); font-weight: 600; }
.dl-grid dd.mono { font-size: 15px; }
.dd-trust { color: var(--trust) !important; }
.dd-soft { font-weight: 400 !important; color: var(--muted) !important; }
.panel-foot { margin-top: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-soft); padding: 16px; font-size: 12px; color: var(--body); }
.panel-foot strong { color: var(--text); }
.panel-foot ul { margin: 8px 0 0; padding-left: 18px; }
.panel-foot li { margin: 3px 0; }

/* ---------- SOC 2 trust band ---------- */
.trust-band { border-block: 1px solid #a7f3d0; background: linear-gradient(180deg, var(--trust-bg), #fff); }
.trust-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 36px; align-items: center; }
@media (max-width: 920px) { .trust-grid { grid-template-columns: 1fr; } }
.trust-card { border: 1px solid #a7f3d0; border-radius: 18px; background: #fff; padding: 24px; box-shadow: var(--shadow); }
.trust-item { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.trust-item:last-child { margin-bottom: 18px; }
.check { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; background: var(--trust-bg); color: var(--trust); }
.trust-item .t { font-weight: 700; font-size: 14px; color: var(--text); }
.trust-item .d { font-size: 12px; color: var(--muted); }

/* ---------- Cards / pricing ---------- */
.cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 980px) { .cards { grid-template-columns: repeat(2, 1fr); } .cards--3 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card { border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 22px; display: flex; flex-direction: column; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s, border-color .15s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card--featured { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(2,132,199,0.15), var(--shadow-lg); }
.card--free { border-color: #a7f3d0; }
.card .tier { font-size: 14px; font-weight: 700; color: var(--navy); }
.card .tier-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.card .price { font-family: var(--mono); font-size: 26px; color: var(--navy); margin-top: 14px; font-weight: 600; }
.card .price.is-free { color: var(--trust); }
.card .price small { font-size: 12px; color: var(--muted); font-family: var(--sans); }
.card ul { list-style: none; margin: 14px 0; padding: 0; font-size: 12px; color: var(--body); }
.card ul li { padding: 5px 0 5px 18px; position: relative; }
.card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--trust); font-weight: 700; }
.card .btn { margin-top: auto; }
.tag { align-self: flex-start; font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 9px; border-radius: var(--radius-pill); background: #e0f2fe; color: var(--accent-strong); margin-bottom: 8px; }
.tag--free { background: var(--trust-bg); color: var(--trust); }

/* ---------- Split / info ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 28px; } }
.list { list-style: none; padding: 0; margin: 16px 0 0; color: var(--body); font-size: 14px; }
.list li { padding: 7px 0 7px 24px; position: relative; }
.list li::before { content: "✓"; position: absolute; left: 0; color: var(--trust); font-weight: 700; }
.list .sublist { list-style: none; padding: 6px 0 0 4px; margin: 0; }
.list .sublist li { padding: 4px 0 4px 18px; color: var(--muted); }
.list .sublist li::before { content: "–"; color: var(--muted-2); }
.info-card { border: 1px solid var(--line); border-radius: 18px; background: #fff; padding: 24px; box-shadow: var(--shadow); }
.info-card__title { font-size: 15px; color: var(--text); font-weight: 700; }
.info-card__sub { font-size: 13px; color: var(--muted); margin-top: 8px; }
.info-card .h3 { margin-top: 18px; }
.section-head { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: flex-end; margin-bottom: 30px; }
.link-accent { color: var(--accent); font-size: 14px; font-weight: 600; }
.link-accent:hover { color: var(--accent-strong); }
.note { font-size: 13px; color: var(--muted); margin-top: 18px; }
.note a { color: var(--accent); }
.callout { margin-top: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-soft); padding: 16px; font-size: 13px; color: var(--body); }
.callout a { color: var(--accent); font-weight: 600; }
.links-card { border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 18px; margin-top: 22px; box-shadow: var(--shadow); }
.links-card h3 { font-size: 13px; color: var(--text); margin-bottom: 10px; }
.links-card ul { list-style: none; padding: 0; margin: 0; }
.links-card li { padding: 4px 0; }
.links-card a { color: var(--accent); font-size: 13px; }
.links-card a:hover { color: var(--accent-strong); }
.prose p { margin: 0 0 14px; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.input, .textarea { width: 100%; font-family: inherit; font-size: 14px; color: var(--text); background: #fff; border: 1px solid var(--line-soft); border-radius: 10px; padding: 11px 13px; transition: border-color .15s, box-shadow .15s; }
.input:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(2,132,199,0.15); }
.textarea { min-height: 130px; resize: vertical; }
.is-hidden { display: none; }
.form-note { font-size: 11px; color: var(--muted); margin-top: 8px; }
.form-error { border: 1px solid #fecaca; background: #fef2f2; color: #b91c1c; border-radius: 12px; padding: 14px 16px; font-size: 13px; }
.form-error p { margin: 0 0 6px; font-weight: 700; }
.form-error ul { margin: 0; padding-left: 18px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; padding-block: 52px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 22px; } }
.site-footer h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 12px; }
.site-footer p, .site-footer li { font-size: 13px; color: var(--body); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { padding: 3px 0; }
.site-footer a:hover { color: var(--accent); }
.footer-bar { border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer-bar .wrap { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; padding-block: 18px; font-size: 12px; color: var(--muted); }
.footer-bar .trust-text { color: var(--trust); font-weight: 600; }

/* ============================================================
   Mobile refinements
   ============================================================ */
/* Tablet / large phone: tighten vertical rhythm */
@media (max-width: 640px) {
  .section { padding-block: 48px; }
  .section-tight { padding-block: 38px; }
  .hero { padding-top: 36px; padding-bottom: 24px; }
  .page-hero { padding-block: 40px 26px; }
  .hero-grid { gap: 26px; }
  .hero-stats { gap: 18px 26px; margin-top: 22px; }
  .cta-row { margin-top: 24px; }
  .cta-row .btn { flex: 1 1 auto; }          /* larger, easier tap targets */
  .panel, .trust-card, .info-card { padding: 20px; }
  .section-head { margin-bottom: 22px; }
  .footer-grid { padding-block: 40px; gap: 24px; }
  .lede { font-size: 15px; }
}

/* Small phones: prevent header crowding + scale display type down */
@media (max-width: 400px) {
  .wrap { padding-inline: 16px; }
  .nav { height: 60px; }
  .brand .logo, .brand .logo svg { width: 36px; height: 36px; }
  .brand .brand-sub { display: none; }       /* keep header on one tidy line */
  .h1 { font-size: 30px; }
  .page-hero .h1 { font-size: 26px; }
  .hero-stats { gap: 16px 22px; }
  .dl-grid { grid-template-columns: 1fr; }
  .badge { font-size: 11px; }
}