/* Centoway marketing site – header with mega menu, sections, services page, footer. Tokens come from demo.css. */
:root { --font-fa: "Vazirmatn", "IBM Plex Sans", Tahoma, sans-serif; --hdr: #0F1828; --hdr-ink: #C9D3E4; --brand2: #18A999; }
html[lang="fa"] body, html[lang="fa"] h1, html[lang="fa"] h2, html[lang="fa"] h3, html[lang="fa"] button, html[lang="fa"] input, html[lang="fa"] select, html[lang="fa"] textarea { font-family: var(--font-fa); letter-spacing: 0; }
body { font-size: 15.5px; }
a { color: var(--accent); }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: absolute; inset-inline-start: -999px; }
.skip:focus { inset-inline-start: 12px; top: 12px; z-index: 50; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

/* ---------- header + mega menu */
#site-header { background: var(--hdr); color: var(--hdr-ink); position: sticky; top: 0; z-index: 30; }
.hdr { max-width: 1240px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 14px; }
.logo { display: inline-flex; align-items: center; gap: 8px; color: #FFFFFF; text-decoration: none; font-family: var(--font-display); font-weight: 800; font-size: 1.12rem; }
.logo .mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, #7C9CFF, var(--brand2)); color: #0E141F; font-size: 0.8rem; }
#mainnav { display: flex; align-items: center; gap: 2px; margin-inline-start: 8px; flex: 1; min-width: 0; }
.mm { position: relative; }
.mm-btn, .navlink { background: none; border: 0; color: var(--hdr-ink); padding: 10px 12px; border-radius: 8px; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.mm-btn svg { width: 16px; height: 16px; transition: transform .15s; }
.mm-btn:hover, .navlink:hover, .mm-btn[aria-expanded="true"], .navlink.on { color: #FFFFFF; background: rgba(255, 255, 255, 0.07); }
.mm-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.mm-panel { display: none; position: absolute; top: calc(100% + 8px); inset-inline-start: 0; width: min(640px, 92vw); background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 48px rgba(10, 16, 28, 0.25); padding: 14px; }
.mm-panel.narrow { width: 280px; }
.mm-btn[aria-expanded="true"] + .mm-panel { display: grid; gap: 8px; }
.mm-d { margin: 0 4px; color: var(--muted); font-size: 0.85rem; }
.mm-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; }
.mm-grid.one { grid-template-columns: 1fr; }
.mm-grid a { display: flex; gap: 10px; padding: 10px; border-radius: 10px; color: inherit; text-decoration: none; align-items: flex-start; }
.mm-grid a:hover, .mm-grid a:focus-visible { background: var(--accent-soft); }
.mm-grid a svg { width: 22px; height: 22px; flex: 0 0 22px; color: var(--accent); margin-top: 2px; }
.mm-grid b { display: block; font-size: 0.92rem; }
.mm-grid small { display: block; color: var(--muted); font-size: 0.8rem; line-height: 1.45; }
.mm-all { font-size: 0.86rem; font-weight: 600; text-decoration: none; padding: 4px 6px; }
.hdr-end { display: flex; align-items: center; gap: 10px; margin-inline-start: auto; }
.lang { color: var(--hdr-ink); text-decoration: none; font-size: 0.88rem; border: 1px solid #33456B; border-radius: 8px; padding: 6px 10px; }
.btn-cta { display: inline-block; background: #7C9CFF; color: #0E141F; font-weight: 700; text-decoration: none; padding: 9px 16px; border-radius: 10px; border: 0; cursor: pointer; font-size: 0.95rem; }
.btn-cta:hover { filter: brightness(1.07); }
.btn-ghost { display: inline-block; color: var(--accent); border: 1px solid var(--accent); font-weight: 600; text-decoration: none; padding: 8px 15px; border-radius: 10px; }
.burger { display: none; background: none; border: 1px solid #33456B; color: #FFFFFF; border-radius: 8px; padding: 6px; margin-inline-start: auto; cursor: pointer; }
.burger svg { width: 22px; height: 22px; }
@media (max-width: 980px) {
  .burger { display: inline-flex; }
  .hdr { flex-wrap: wrap; }
  .hdr-end { margin-inline-start: 0; order: 2; }
  .hdr-end .btn-cta { display: none; }
  #mainnav { display: none; order: 3; flex-basis: 100%; flex-direction: column; align-items: stretch; margin: 0; padding-bottom: 8px; }
  #mainnav.open { display: flex; }
  .mm-btn, .navlink { width: 100%; justify-content: space-between; }
  .mm-panel { position: static; width: auto; box-shadow: none; margin-top: 4px; }
  .mm-grid { grid-template-columns: 1fr; }
}

/* ---------- hero */
.hero2 { background: radial-gradient(1200px 500px at 85% -10%, rgba(124, 156, 255, 0.28), transparent 60%), radial-gradient(900px 400px at 0% 110%, rgba(24, 169, 153, 0.22), transparent 60%), var(--hdr); color: #E7ECF4; }
.hero2 .in { max-width: 1240px; margin: 0 auto; padding: 64px 16px 76px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero2 h1 { margin: 0; font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.15; color: #FFFFFF; font-weight: 800; }
.hero2 .lead2 { margin: 18px 0 0; font-size: 1.12rem; color: #C9D3E4; max-width: 36em; }
.hero2 .cta2 { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero2 .cta2 .btn-ghost { color: #FFFFFF; border-color: #4A5D85; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.pills span { font-size: 0.82rem; color: #C9D3E4; border: 1px solid #33456B; border-radius: 999px; padding: 4px 12px; }
.stack-vis { display: grid; gap: 10px; }
.layer2 { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 14px; padding: 12px 14px; display: grid; gap: 8px; }
.layer2 small { color: #9DB4FF; font-weight: 600; font-size: 0.78rem; letter-spacing: .03em; }
.layer2 .row2 { display: flex; flex-wrap: wrap; gap: 6px; }
.layer2 .row2 span { background: rgba(255, 255, 255, 0.08); color: #FFFFFF; border-radius: 8px; padding: 5px 10px; font-size: 0.85rem; }
.layer2.core { background: linear-gradient(135deg, rgba(124, 156, 255, 0.25), rgba(24, 169, 153, 0.22)); border-color: rgba(124, 156, 255, 0.5); text-align: center; }
.layer2.core b { color: #FFFFFF; font-family: var(--font-display); font-size: 1.1rem; }
@media (max-width: 900px) { .hero2 .in { grid-template-columns: 1fr; padding-top: 40px; } }

/* ---------- sections */
.sec2 { max-width: 1240px; margin: 0 auto; padding: 72px 16px 0; display: grid; gap: 26px; }
.sec2 > header h2 { margin: 0; font-size: clamp(1.55rem, 3.2vw, 2.15rem); }
.sec2 > header p { margin: 8px 0 0; color: var(--muted); max-width: 62ch; font-size: 1.04rem; }
.kicker { display: inline-block; color: var(--accent); font-weight: 700; font-size: 0.82rem; letter-spacing: .04em; margin-bottom: 6px; }
.svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.svc { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; display: grid; gap: 6px; align-content: start; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.svc:hover, .svc:focus-visible { border-color: var(--accent); transform: translateY(-2px); }
.svc svg { width: 30px; height: 30px; color: var(--accent); background: var(--accent-soft); border-radius: 9px; padding: 5px; }
.svc b { font-size: 1.02rem; margin-top: 6px; }
.svc span { color: var(--muted); font-size: 0.9rem; }
.stats2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stats2 div { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stats2 b { display: block; font-family: var(--font-display); font-size: 1.7rem; color: var(--accent); }
.stats2 span { color: var(--muted); font-size: 0.9rem; }
.who2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.who2 div { border-inline-start: 3px solid var(--brand2); padding: 4px 14px; }
.who2 h3 { margin: 0 0 4px; font-size: 1.05rem; }
.who2 p { margin: 0; color: var(--muted); }
.steps4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; counter-reset: st; }
.steps4 div { background: var(--hdr); color: #C9D3E4; border-radius: 14px; padding: 20px; counter-increment: st; }
.steps4 div::before { content: counter(st); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #7C9CFF; color: #0E141F; font-weight: 800; margin-bottom: 10px; }
.steps4 h3 { margin: 0 0 4px; color: #FFFFFF; font-size: 1.02rem; }
.steps4 p { margin: 0; font-size: 0.92rem; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; display: grid; gap: 10px; align-content: start; }
.plan.feat2 { border: 2px solid var(--accent); }
.plan h3 { margin: 0; }
.plan p { margin: 0; color: var(--muted); }
.plan ul { margin: 0; padding-inline-start: 18px; display: grid; gap: 4px; }
.faq2 { display: grid; gap: 8px; }
.faq2 details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; }
.faq2 summary { cursor: pointer; font-weight: 600; }
.faq2 p { margin: 8px 0 0; color: var(--muted); }

/* ---------- demo request form */
.demo-wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; margin-bottom: 72px; }
.demo-wrap h2 { margin: 0 0 8px; }
.demo-wrap p { margin: 0; color: var(--muted); }
#demo-form { display: grid; gap: 12px; }
#demo-form .r { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
#demo-form label.f { display: grid; gap: 4px; font-size: 0.86rem; font-weight: 600; }
#demo-form input[type=text], #demo-form input[type=email], #demo-form input[type=tel], #demo-form textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px; font-weight: 400; width: 100%; }
#demo-form textarea { min-height: 90px; resize: vertical; }
.interests { display: flex; flex-wrap: wrap; gap: 6px; }
.interests label { display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font-size: 0.82rem; cursor: pointer; background: var(--bg); }
.interests label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.interests input { accent-color: var(--accent); width: auto; margin: 0; }
.interests label { white-space: nowrap; }
.hp { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-out.ok { color: var(--good); background: var(--good-soft); border-radius: 8px; padding: 8px 12px; }
.form-out.bad { color: var(--bad); background: var(--bad-soft); border-radius: 8px; padding: 8px 12px; }
@media (max-width: 860px) { .demo-wrap { grid-template-columns: 1fr; padding: 20px; } }

/* ---------- services page */
.svc-hero { background: var(--hdr); color: #E7ECF4; }
.svc-hero .in { max-width: 1240px; margin: 0 auto; padding: 44px 16px 40px; }
.svc-hero h1 { margin: 0; color: #FFFFFF; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.svc-hero p { margin: 10px 0 0; color: #C9D3E4; max-width: 60ch; }
.svc-layout { max-width: 1240px; margin: 0 auto; padding: 28px 16px 0; display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: start; }
#svc-toc { position: sticky; top: 72px; display: grid; gap: 14px; max-height: calc(100vh - 90px); overflow: auto; font-size: 0.9rem; }
#svc-toc b { display: block; margin-bottom: 4px; }
#svc-toc a { display: block; color: var(--muted); text-decoration: none; padding: 3px 0; }
#svc-toc a:hover { color: var(--accent); }
.svc-cat { display: grid; gap: 14px; padding-bottom: 36px; scroll-margin-top: 80px; }
.svc-cat-head h2 { margin: 0; font-size: 1.6rem; }
.svc-cat-head p { margin: 4px 0 0; color: var(--muted); }
.svc-detail { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; scroll-margin-top: 80px; }
.svc-detail:target { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.svc-ico svg { width: 52px; height: 52px; color: var(--accent); background: var(--accent-soft); border-radius: 14px; padding: 11px; }
.svc-body h3 { margin: 0; font-size: 1.2rem; }
.svc-body p { margin: 6px 0 0; }
.svc-body .svc-s { color: var(--accent); font-weight: 600; margin-top: 2px; }
.svc-body ul { margin: 10px 0 0; padding-inline-start: 20px; display: grid; gap: 4px; columns: 2; column-gap: 28px; }
.svc-body li { break-inside: avoid; }
.svc-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.svc-actions .btn-cta { background: var(--accent); color: var(--on-accent); }
@media (max-width: 900px) { .svc-layout { grid-template-columns: 1fr; } #svc-toc { display: none; } .svc-body ul { columns: 1; } .svc-detail { grid-template-columns: 1fr; } }

/* ---------- footer */
#site-footer { background: var(--hdr); color: #8E9AB2; margin-top: 0; }
.ftr { max-width: 1240px; margin: 0 auto; padding: 40px 16px 20px; display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 24px; }
.ftr .fcol { display: grid; gap: 6px; align-content: start; font-size: 0.88rem; }
.ftr .fcol b { color: #FFFFFF; margin-bottom: 4px; }
.ftr .fcol a { color: #A9B5CA; text-decoration: none; }
.ftr .fcol a:hover { color: #FFFFFF; }
.ftr .brandcol p { margin: 6px 0 0; line-height: 1.7; }
.fbar { max-width: 1240px; margin: 0 auto; padding: 14px 16px 26px; display: flex; gap: 18px; flex-wrap: wrap; border-top: 1px solid #22304A; font-size: 0.85rem; }
.fbar a { color: #9DB4FF; text-decoration: none; }
.fbar span { margin-inline-end: auto; }
@media (max-width: 900px) { .ftr { grid-template-columns: 1fr 1fr; } .ftr .brandcol { grid-column: 1 / -1; } }
@media (prefers-reduced-motion: reduce) { .svc { transition: none; } .svc:hover { transform: none; } }