/* Centoway marketing site – header with mega menu, sections, services page, footer. Tokens come from demo.css,
   recoloured here to the Centoway brand (logo C3 "Sunny zero"): orange #FF7A1A, green #1FB66A / #0E8A52, deep
   green #0B5C3A, ink #14281F; Fredoka for Latin headings, Nunito for Latin text, Vazirmatn for Persian. */
:root { --font-fa: "Vazirmatn", "IBM Plex Sans", Tahoma, sans-serif; --hdr: #14281F; --hdr-ink: #D5E6DC; --brand2: #1FB66A; --brand-orange: #FF7A1A; --font-display: "Fredoka", "Nunito", "Segoe UI", system-ui, sans-serif; }
:root:not([data-theme="dark"]) { --accent: #0E8A52; --accent-soft: #E7F8EF; --on-accent: #FFFFFF; }
html[lang="en"] body { font-family: "Nunito", "IBM Plex Sans", system-ui, sans-serif; }
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3 { font-weight: 600; letter-spacing: 0; }
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: #FFFFFF; color: #2C4237; border-bottom: 1px solid #E6EDE9; 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 { direction: ltr; display: inline-flex; align-items: center; gap: 8px; color: #14281F; text-decoration: none; font-family: var(--font-display); font-weight: 800; font-size: 1.12rem; }
.logo svg { width: 46px; height: 30px; stroke: none; flex: 0 0 auto; }
.logo .word { font-family: "Fredoka", "Nunito", sans-serif; font-weight: 600; font-size: 1.35rem; letter-spacing: 0.5px; color: #14281F; }
.logo .word i { font-style: normal; color: #0E8A52; }
/* the footer stays deep green: the logo in its version for dark backgrounds */
.ftr .logo .word { color: #FFFFFF; }
.ftr .logo .word i { color: #7BE0A9; }
#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: #2C4237; 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: #14281F; background: rgba(20, 40, 31, 0.06); }
.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: #2C4237; text-decoration: none; font-size: 0.88rem; border: 1px solid #D5E3DA; border-radius: 8px; padding: 6px 10px; }
.btn-cta { display: inline-block; background: #FF7A1A; color: #14281F; 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 #D5E3DA; color: #14281F; 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(255, 122, 26, 0.12), transparent 60%), radial-gradient(900px 400px at 0% 110%, rgba(31, 182, 106, 0.12), transparent 60%), #FFFFFF; color: #14281F; border-bottom: 1px solid #E6EDE9; }
.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: #14281F; font-weight: 800; }
.hero2 .lead2 { margin: 18px 0 0; font-size: 1.12rem; color: #3D5547; max-width: 36em; }
.hero2 .cta2 { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero2 .cta2 .btn-ghost { color: #14281F; border-color: #C9D8CF; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.pills span { font-size: 0.82rem; color: #3D5547; border: 1px solid #D5E3DA; border-radius: 999px; padding: 4px 12px; }
.stack-vis { display: grid; gap: 10px; }
.layer2 { background: #FFFFFF; box-shadow: 0 8px 24px rgba(20, 40, 31, 0.06); border: 1px solid #E6EDE9; border-radius: 14px; padding: 12px 14px; display: grid; gap: 8px; }
.layer2 small { color: #0E8A52; font-weight: 600; font-size: 0.78rem; letter-spacing: .03em; }
.layer2 .row2 { display: flex; flex-wrap: wrap; gap: 6px; }
.layer2 .row2 span { background: #F1F6F3; color: #14281F; border-radius: 8px; padding: 5px 10px; font-size: 0.85rem; }
.layer2.core { background: linear-gradient(135deg, rgba(255, 122, 26, 0.12), rgba(31, 182, 106, 0.12)); border-color: rgba(255, 122, 26, 0.45); text-align: center; }
.layer2.core b { color: #14281F; 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: #D5E6DC; 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: #FF7A1A; color: #14281F; 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: radial-gradient(900px 360px at 85% -20%, rgba(255, 122, 26, 0.10), transparent 60%), #FFFFFF; color: #14281F; border-bottom: 1px solid #E6EDE9; }
.svc-hero .in { max-width: 1240px; margin: 0 auto; padding: 44px 16px 40px; }
.svc-hero h1 { margin: 0; color: #14281F; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.svc-hero p { margin: 10px 0 0; color: #3D5547; 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: #9DB5A7; 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: #B8CDBF; 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: #7BE0A9; 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; } }

/* ---------- cheerful layer: the four brand colours each get a job
   orange = sell (solutions), sky = connect (APIs), green = suppliers (integrations), sun = run the business (back office).
   The hero carries the one moving thing: a plane flying the logo's dotted route once on load. */
:root { --c-orange: #FF7A1A; --c-orange-soft: #FFF1E6; --c-sky: #1E9BD7; --c-sky-soft: #E6F5FD; --c-green: #12A15C; --c-green-soft: #E5F7EE; --c-sun: #E8A200; --c-sun-soft: #FFF6DB; --bg: #FFFFFF; }
body { background: #FFFFFF; }

.hero2 { position: relative; overflow: hidden; background:
  radial-gradient(520px 320px at 92% 8%, rgba(255, 194, 61, 0.28), transparent 70%),
  radial-gradient(600px 360px at 70% 100%, rgba(30, 155, 215, 0.14), transparent 70%),
  radial-gradient(700px 380px at 0% 100%, rgba(31, 182, 106, 0.16), transparent 70%),
  radial-gradient(800px 420px at 40% -20%, rgba(255, 122, 26, 0.14), transparent 70%), #FFFFFF; }
.hero2 .in { position: relative; z-index: 1; }
.hero2 h1 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
.route { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.route path { fill: none; stroke: #FF7A1A; stroke-width: 2.5; stroke-dasharray: 2 9; stroke-linecap: round; opacity: .55; }
.route .plane { offset-path: path("M 600 640 C 700 470, 640 150, 1320 70"); offset-rotate: auto; offset-distance: 100%; animation: fly 3.2s cubic-bezier(.45, .05, .25, 1) .3s both; }
.route .plane path { stroke: none; fill: #FF7A1A; opacity: 1; stroke-dasharray: none; }
@keyframes fly { from { offset-distance: 0%; } to { offset-distance: 100%; } }
[dir="rtl"] .route { transform: scaleX(-1); }

.pills span { border: 0; font-weight: 600; color: #14281F; padding: 6px 14px; }
.pills span:nth-child(6n+1) { background: var(--c-orange-soft); color: #B4500A; }
.pills span:nth-child(6n+2) { background: var(--c-sky-soft); color: #0F6E9C; }
.pills span:nth-child(6n+3) { background: var(--c-green-soft); color: #0B7A45; }
.pills span:nth-child(6n+4) { background: var(--c-sun-soft); color: #8A5F00; }
.pills span:nth-child(6n+5) { background: #FDEBF1; color: #B0315C; }
.pills span:nth-child(6n+6) { background: #EEEBFD; color: #5B47C2; }

.layer2 { border-width: 2px; }
.layer2:first-child { border-color: #FFD9BD; }
.layer2:first-child small { color: #C25A10; }
.layer2:first-child .row2 span { background: var(--c-orange-soft); }
.layer2:last-child { border-color: #BFE7D3; }
.layer2:last-child .row2 span { background: var(--c-green-soft); }
.layer2.core { background: linear-gradient(120deg, #FF7A1A, #FFB13D 45%, #1FB66A); border: 0; box-shadow: 0 14px 30px rgba(255, 122, 26, 0.25); }
.layer2.core b { color: #FFFFFF; font-size: 1.35rem; }
.layer2.core .row2 span { background: rgba(255, 255, 255, 0.92); color: #14281F; }

.stats2 div { border: 0; border-radius: 18px; }
.stats2 div:nth-child(1) { background: var(--c-orange-soft); } .stats2 div:nth-child(1) b { color: #E0620A; }
.stats2 div:nth-child(2) { background: var(--c-sky-soft); } .stats2 div:nth-child(2) b { color: var(--c-sky); }
.stats2 div:nth-child(3) { background: var(--c-green-soft); } .stats2 div:nth-child(3) b { color: var(--c-green); }
.stats2 div:nth-child(4) { background: var(--c-sun-soft); } .stats2 div:nth-child(4) b { color: #C98A00; }
.stats2 b { font-size: 2.2rem; }
.stats2 span { color: #3D5547; }

/* each category speaks in its colour: heading kicker, icon tiles, hover border */
#solutions { --cat: #C2560C; --cat-soft: var(--c-orange-soft); }
#apis { --cat: var(--c-sky); --cat-soft: var(--c-sky-soft); }
#integrations { --cat: var(--c-green); --cat-soft: var(--c-green-soft); }
#backoffice { --cat: #956600; --cat-soft: var(--c-sun-soft); }
.sec2[id] .kicker { color: var(--cat, var(--accent)); }
.sec2[id] .svc svg { color: var(--cat, var(--accent)); background: var(--cat-soft, var(--accent-soft)); width: 40px; height: 40px; border-radius: 12px; padding: 8px; }
.sec2[id] .svc:hover, .sec2[id] .svc:focus-visible { border-color: var(--cat, var(--accent)); }
/* APIs and back office sit on a full-width tint, so the page alternates instead of one long white sheet */
section.sec2#apis, section.sec2#backoffice { box-shadow: 0 0 0 100vmax var(--cat-soft); clip-path: inset(0 -100vmax); background: var(--cat-soft); padding-bottom: 64px; margin-top: 72px; }
section.sec2#apis .svc, section.sec2#backoffice .svc { border-color: transparent; }

.who2 div:nth-child(4n+1) { border-color: var(--c-orange); }
.who2 div:nth-child(4n+2) { border-color: var(--c-sky); }
.who2 div:nth-child(4n+3) { border-color: var(--c-green); }
.who2 div:nth-child(4n+4) { border-color: #FFC23D; }
.who2 div { border-inline-start-width: 4px; }

.steps4 div:nth-child(2)::before { background: #4FC3F7; }
.steps4 div:nth-child(3)::before { background: #3DDC84; }
.steps4 div:nth-child(4)::before { background: #FFC23D; }

.plan.feat2 { border: 0; background: linear-gradient(160deg, #FFF1E6, #E5F7EE); box-shadow: 0 0 0 2px #FF7A1A; }
.demo-wrap { border: 0; background: linear-gradient(135deg, #FFF1E6, #FFF6DB 50%, #E5F7EE); }
#demo-form input[type=text], #demo-form input[type=email], #demo-form input[type=tel], #demo-form textarea { background: #FFFFFF; }

.svc-hero { background: radial-gradient(520px 300px at 92% 0%, rgba(255, 194, 61, 0.28), transparent 70%), radial-gradient(700px 320px at 10% 120%, rgba(30, 155, 215, 0.12), transparent 70%), #FFFFFF; }
.svc-cat .svc-ico svg { color: var(--cat, var(--accent)); background: var(--cat-soft, var(--accent-soft)); }
.svc-cat .svc-body .svc-s { color: var(--cat, var(--accent)); }

@media (prefers-reduced-motion: reduce) { .route .plane { animation: none; } }
@media (max-width: 900px) { .route { display: none; } }