/* ALTEX — سایت داخلی (رودمپ + تعاریف) */

/* ---------- فونت ایران‌سنس‌ایکس (لوکال، آفلاین‌سازگار) ---------- */
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-Light.woff2') format('woff2');     font-weight:300; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-Regular.woff2') format('woff2');   font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-Medium.woff2') format('woff2');    font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-DemiBold.woff2') format('woff2');  font-weight:600; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-Bold.woff2') format('woff2');      font-weight:700; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-ExtraBold.woff2') format('woff2'); font-weight:800; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSansX'; src:url('fonts/iransansx/IRANSansX-Black.woff2') format('woff2');     font-weight:900; font-style:normal; font-display:swap; }

:root {
  /* پالت برند التکس (altex.ir): آبی الکتریک روی نزدیک-مشکی + سبز/قرمز معاملاتی */
  --bg: #070b16;
  --bg-soft: #0f1626;
  --panel: #131c31;
  --panel-2: #1a2540;
  --border: #263355;
  --text: #e8ecf8;
  --muted: #8f9bc0;
  --primary: #006bfd;
  --primary-soft: #0a52cc;
  --accent: #4d8dff;
  --green: #4cc692;
  --red: #ea5e65;
  --radius: 18px;
  --shadow: 0 12px 44px rgba(0,0,0,.5);
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; scroll-behavior: smooth;
  background: radial-gradient(1200px 620px at 82% -12%, #1a2350 0%, var(--bg) 55%);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'IRANSansX', system-ui, -apple-system, 'Segoe UI', sans-serif;
  direction: rtl;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }

/* ---------- Top bar (two-level) ---------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 24px;
  background: rgba(11,16,32,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo-svg { height: 26px; width: auto; color: #edf1ff; display: block; }
.brand .brand-sep { width: 1px; height: 24px; background: var(--border); }
.brand small { font-weight: 500; color: var(--muted); font-size: 12px; }
@media (max-width: 720px) { .brand .brand-sep, .brand small { display: none; } }
.topbar .spacer { flex: 1; }

/* top-level section switcher */
.sections { display: flex; gap: 6px; background: var(--bg-soft); border: 1px solid var(--border); padding: 5px; border-radius: 999px; }
.sec-btn {
  border: 0; background: transparent; color: var(--muted);
  padding: 8px 20px; border-radius: 999px; cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 700; transition: .15s; white-space: nowrap;
}
.sec-btn:hover { color: var(--text); }
.sec-btn.active { background: linear-gradient(135deg, var(--primary), var(--primary-soft)); color: #fff; box-shadow: 0 4px 14px rgba(0,107,253,.35); }

.btn {
  border: 1px solid var(--border); background: var(--panel);
  color: var(--text); padding: 9px 15px; border-radius: 10px;
  cursor: pointer; font-family: inherit; font-size: 13px; font-weight: 600;
  transition: .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); background: var(--panel-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-soft); }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Sub nav (per-section tabs) ---------- */
.subnav-shell { position: sticky; top: 61px; z-index: 40; background: linear-gradient(var(--bg), rgba(11,16,32,.55)); }
.subnav { display: none; gap: 8px; flex-wrap: wrap; padding: 16px 0 6px; }
.subnav.active { display: flex; }
.tab {
  border: 1px solid var(--border); background: var(--panel);
  padding: 9px 16px; border-radius: 999px; cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 600; color: var(--muted); transition: .15s;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Views ---------- */
.view { display: none; padding: 26px 0 90px; animation: fade .28s ease; }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* shared section title (roadmap) */
.section-title { font-size: clamp(19px,2.6vw,24px); margin: 34px 0 15px; display: flex; align-items: center; gap: 11px; font-weight: 800; }
.section-title::before { content: ''; width: 5px; height: 24px; background: linear-gradient(var(--accent), var(--primary)); border-radius: 3px; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  transition: border-color .15s, transform .15s;
}
.card h3 { margin: 0 0 10px; font-size: 18px; }
.card .eyebrow { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .3px; margin-bottom: 6px; }

/* ---------- Roadmap: hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 38px; box-shadow: var(--shadow); margin-bottom: 22px;
  position: relative; overflow: hidden;
}
.hero::after { content: ''; position: absolute; inset-inline-start: -60px; top: -60px; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0,107,253,.22), transparent 70%); pointer-events: none; }
.hero h1 { margin: 0 0 8px; font-size: clamp(26px,4vw,34px); font-weight: 900; letter-spacing: -.4px; position: relative; }
.hero .sub { color: var(--muted); font-size: clamp(15px,2vw,17px); position: relative; }
.hero .meta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; font-size: 13px; color: var(--muted); position: relative; }
.hero .meta-row span { background: var(--bg-soft); border: 1px solid var(--border); padding: 7px 13px; border-radius: 999px; }
.confidential { color: var(--accent); font-size: 12.5px; font-weight: 700; margin-bottom: 12px; }

/* driver / okr lists */
.driver { border-inline-start: 3px solid var(--primary); padding-inline-start: 14px; }
.driver h3 { color: var(--primary); margin: 0 0 6px; font-size: 16px; }

.okr { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 18px; margin-bottom: 14px; }
.okr .obj { font-weight: 800; font-size: 16px; margin-bottom: 10px; display: flex; gap: 8px; }
.okr .obj .o-mark { color: var(--accent); }
.kr { display: flex; gap: 10px; padding: 6px 0; color: var(--text); border-top: 1px dashed var(--border); }
.kr:first-of-type { border-top: none; }
.kr .check { color: var(--green); flex: 0 0 auto; }

.metric { text-align: center; }
.metric .num { font-size: 18px; font-weight: 900; color: var(--accent); }
.metric .lbl { font-size: 14px; }
.metric .hint { font-size: 12px; color: var(--muted); }

/* team header */
.team-head { display: flex; align-items: center; gap: 14px; margin-bottom: 4px; }
.team-head .ic { font-size: 34px; }
.team-head h1 { margin: 0; font-size: clamp(22px,3.2vw,28px); font-weight: 900; }
.team-head .en { color: var(--muted); font-size: 14px; }
.mission { color: var(--muted); font-size: 15px; margin: 8px 0 20px; max-width: 820px; }

/* timeline / gantt */
.timeline { overflow-x: auto; padding-bottom: 8px; }
.tl-grid { min-width: 720px; }
.tl-head { display: grid; grid-template-columns: 280px repeat(6, 1fr); gap: 6px; margin-bottom: 8px; }
.tl-head .m { text-align: center; font-size: 12px; color: var(--muted); background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; padding: 6px 0; }
.tl-head .m b { display: block; color: var(--text); font-size: 13px; }
.tl-row { display: grid; grid-template-columns: 280px repeat(6, 1fr); gap: 6px; align-items: center; margin-bottom: 6px; }
.tl-row .label { font-size: 13px; padding-inline-start: 8px; }
.tl-row .label small { color: var(--muted); display: block; font-size: 11px; }
.tl-track { grid-column: 2 / span 6; position: relative; height: 30px; background: var(--bg-soft); border-radius: 8px; border: 1px solid var(--border); }
.bar { position: absolute; top: 4px; height: 22px; border-radius: 7px; background: linear-gradient(90deg, var(--primary), var(--primary-soft)); box-shadow: 0 2px 8px rgba(0,107,253,.4); }

/* milestones */
.ms { display: flex; gap: 14px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--border); }
.ms:first-child { border-top: none; }
.ms .dot { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #06122e; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.ms .mtext { font-size: 15px; }
.ms .mtext small { color: var(--muted); display: block; }

/* chips (roadmap) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; padding: 6px 13px; font-size: 12.5px; color: var(--muted); }
.chip.risk { border-color: rgba(239,68,68,.4); color: #fca5a5; }
.chip.aux { border-style: dashed; opacity: .85; }
.tl-row .ideas { margin: 6px 0 0; padding: 0; list-style: none; }
.tl-row .ideas li { font-size: 11px; color: var(--muted); padding-inline-start: 12px; position: relative; line-height: 1.75; }
.tl-row .ideas li::before { content: "◦"; position: absolute; inset-inline-start: 0; color: var(--accent); }

ul.clean { list-style: none; padding: 0; margin: 0; }
ul.clean li { padding: 7px 0; border-top: 1px dashed var(--border); display: flex; gap: 8px; }
ul.clean li:first-child { border-top: none; }
ul.clean li::before { content: '◂'; color: var(--accent); }

.footer { color: var(--muted); font-size: 12.5px; text-align: center; padding: 34px 0; border-top: 1px solid var(--border); margin-top: 40px; }

/* =========================================================================
   CONCEPT DOCS (تعاریف) — طراحی خوشگل هم‌سطح لندینگ
   ========================================================================= */
.concept { max-width: 1000px; }

/* concept hero */
.c-hero { padding: 40px 0 12px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(0,107,253,.12); border: 1px solid rgba(0,107,253,.4);
  color: var(--accent); font-size: 12px; font-weight: 700; padding: 6px 13px; border-radius: 999px; margin-bottom: 20px; }
.c-hero h1 { font-size: clamp(28px,4.6vw,46px); line-height: 1.25; margin: 0 0 16px; font-weight: 900; letter-spacing: -.5px; }
.c-hero h1 .hl { background: linear-gradient(120deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.c-hero p.lead { font-size: clamp(15px,2.1vw,19px); color: var(--muted); max-width: 780px; margin: 0 0 26px; }
.trust { display: flex; gap: 10px; flex-wrap: wrap; }
.trust span { background: var(--bg-soft); border: 1px solid var(--border); padding: 7px 13px; border-radius: 999px; font-size: 13px; color: var(--muted); }
.trust span b { color: var(--text); }

/* concept section wrapper */
.c-sec { padding: 42px 0; border-top: 1px solid rgba(40,49,99,.5); }
.c-sec:first-of-type { border-top: none; }
.c-eyebrow { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .4px; margin-bottom: 8px; }
.c-h2 { font-size: clamp(21px,3.2vw,29px); margin: 0 0 10px; font-weight: 900; }
.c-sub { color: var(--muted); max-width: 740px; margin: 0 0 24px; }
.c-sec > .c-sub:last-child { margin-bottom: 0; }

.c-grid { display: grid; gap: 16px; }
.c-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.c-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) { .c-grid.cols-2, .c-grid.cols-3 { grid-template-columns: 1fr; } }

/* stats */
.c-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 760px) { .c-stats { grid-template-columns: 1fr 1fr; } }
.c-stat { background: linear-gradient(135deg, var(--panel-2), var(--panel)); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-align: center; }
.c-stat .n { font-size: clamp(20px,3vw,26px); font-weight: 900; color: var(--accent); line-height: 1.2; }
.c-stat .l { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* icon cards */
.c-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.c-card h3 { margin: 0 0 8px; font-size: 18px; display: flex; align-items: center; gap: 9px; }
.c-card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.c-card .ic { font-size: 22px; }

/* vs (problem/solution) */
.c-vs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 820px) { .c-vs { grid-template-columns: 1fr; } }
.c-vs .bad { border-color: rgba(239,68,68,.35); }
.c-vs .bad h3 { color: #fca5a5; }
.c-vs .good { border-color: rgba(34,197,94,.4); }
.c-vs .good h3 { color: #86efac; }
.c-vs ul { list-style: none; padding: 0; margin: 10px 0 0; }
.c-vs li { padding: 9px 0; border-top: 1px dashed var(--border); display: flex; gap: 9px; font-size: 14.5px; color: var(--text); }
.c-vs li:first-child { border-top: none; }
.c-vs li .mk { flex: 0 0 auto; }
.c-vs .bad li .mk { color: var(--red); }
.c-vs .good li .mk { color: var(--green); }

/* steps */
.c-steps { counter-reset: s; display: grid; gap: 14px; }
.c-step { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; position: relative; }
.c-step::before { counter-increment: s; content: counter(s); position: absolute; top: 18px; inset-inline-start: 20px;
  width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  display: grid; place-items: center; font-weight: 900; color: #fff; font-size: 15px; }
.c-step .stbody { padding-inline-start: 50px; }
.c-step h4 { margin: 0 0 5px; font-size: 16px; }
.c-step p { margin: 0; color: var(--muted); font-size: 14px; }

/* sub-heading inside a section */
.c-subhead { margin: 30px 0 6px; font-size: 17px; font-weight: 800; }
.c-subhead + .c-subnote { color: var(--muted); margin: 0 0 12px; font-size: 14.5px; }

/* four docs */
.c-docs4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 8px; }
@media (max-width: 760px) { .c-docs4 { grid-template-columns: 1fr 1fr; } }
.c-doc { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px; text-align: center; }
.c-doc .t { font-size: 22px; }
.c-doc .n { font-weight: 800; font-size: 14px; margin-top: 6px; }
.c-doc .s { font-size: 12px; color: var(--muted); }

/* callout */
.c-callout { background: linear-gradient(135deg, rgba(0,107,253,.14), rgba(77,141,255,.06));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; margin-top: 18px; display: flex; gap: 14px; }
.c-callout .ic { font-size: 24px; flex: 0 0 auto; }
.c-callout .txt { font-size: 14.5px; }
.c-callout b { color: var(--accent); }

/* advantages */
.c-adv { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; gap: 14px; align-items: flex-start; }
.c-adv .ic { font-size: 24px; flex: 0 0 auto; }
.c-adv h3 { margin: 0 0 5px; font-size: 16px; }
.c-adv p { margin: 0; color: var(--muted); font-size: 14px; }

/* industry chips */
.c-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.c-ichip { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; padding: 8px 15px; font-size: 14px; }
.c-ichip .e { margin-inline-end: 6px; }

/* faq */
.c-faq details { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 4px 20px; margin-bottom: 12px; }
.c-faq summary { cursor: pointer; font-weight: 700; font-size: 15.5px; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 10px; }
.c-faq summary::-webkit-details-marker { display: none; }
.c-faq summary::after { content: '+'; color: var(--accent); font-weight: 900; font-size: 20px; }
.c-faq details[open] summary::after { content: '−'; }
.c-faq details p { margin: 0 0 18px; color: var(--muted); font-size: 14.5px; }

/* glossary */
.c-gloss { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 820px) { .c-gloss { grid-template-columns: 1fr; } }
.c-gitem { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.c-gitem b { color: var(--text); }
.c-gitem span { display: block; color: var(--muted); font-size: 13.5px; margin-top: 3px; }

/* ---------- print ---------- */
@media print {
  .topbar, .subnav-shell, .btn { display: none !important; }
  .view { display: block !important; page-break-after: always; padding: 12px 0; }
  body { background: #fff; color: #111; }
  .card, .c-card, .okr, .hero, .c-stat, .c-step, .c-doc, .c-adv, .c-gitem { border-color: #ccc; box-shadow: none; }
  .bar { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}