/* =========================================================================
   حقيبة الأستاذ — نظام التصميم المشترك
   الهوية: سبورة القسم + دفتر الأستاذ (خط أحمر للتصحيح، أسطر الكراسة)
   ========================================================================= */

:root{
  /* الألوان */
  --board:      #16362A;   /* أخضر السبورة */
  --board-2:    #0E2820;   /* أعمق */
  --paper:      #F6F2E9;   /* ورق دافئ */
  --paper-2:    #FCFAF4;   /* بطاقة أفتح */
  --ink:        #1B1B17;   /* حبر */
  --ink-soft:   #55534A;   /* حبر باهت */
  --chalk:      #EAF2EC;   /* طباشير على السبورة */
  --chalk-soft: #A9C3B4;
  --red:        #C0392B;   /* قلم التصحيح — بحساب */
  --brass:      #C79A3B;   /* نحاسي/ذهبي للتميّز */
  --line:       rgba(27,27,23,.14);
  --line-soft:  rgba(27,27,23,.07);

  /* الخطوط */
  --f-display: 'Reem Kufi', system-ui, sans-serif;
  --f-body:    'Tajawal', system-ui, sans-serif;
  --f-doc:     'Amiri', 'Tajawal', serif;

  /* المقاسات */
  --wrap: 1120px;
  --r: 14px;
  --shadow: 0 1px 2px rgba(14,40,32,.06), 0 8px 30px rgba(14,40,32,.08);
  --shadow-lg: 0 12px 40px rgba(14,40,32,.16);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.25;margin:0}
p{margin:0 0 1em}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:22px}
.eyebrow{
  font-family:var(--f-body);font-weight:700;font-size:.8rem;letter-spacing:.06em;
  color:var(--red);text-transform:uppercase;
}
.muted{color:var(--ink-soft)}

/* ورق الكراسة: أسطر باهتة + هامش أحمر على اليسار (RTL) */
.ruled{
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px);
  background-size:100% 2.1rem;
  background-position:0 3.2rem;
  position:relative;
}
.ruled::before{
  content:"";position:absolute;inset:0 auto 0 46px;width:2px;
  background:rgba(192,57,43,.35);
}
@media (max-width:640px){ .ruled::before{inset:0 auto 0 20px} }

/* ============================ الأزرار ============================ */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--f-body);font-weight:700;font-size:1rem;
  padding:.72em 1.35em;border-radius:11px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .12s ease, box-shadow .2s ease, background .2s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--board);color:var(--chalk)}
.btn-primary:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--board);background:rgba(22,54,42,.04)}
.btn-chalk{background:transparent;border-color:rgba(234,242,236,.4);color:var(--chalk)}
.btn-chalk:hover{background:rgba(234,242,236,.1)}

/* ============================ الرأس ============================ */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(246,242,233,.86);backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:.55em;font-family:var(--f-display);font-weight:700;font-size:1.35rem;color:var(--board)}
.brand .mark{
  width:34px;height:34px;border-radius:9px;background:var(--board);color:var(--chalk);
  display:grid;place-items:center;font-size:1rem;box-shadow:inset 0 0 0 2px rgba(199,154,59,.5);
}
.nav-links{display:flex;align-items:center;gap:26px;font-weight:500}
.nav-links a{color:var(--ink-soft);transition:color .15s}
.nav-links a:hover{color:var(--board)}
.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;font-size:1.6rem;color:var(--board);cursor:pointer}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
}

/* ============================ السبورة (Hero) ============================ */
.board{
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(199,154,59,.14), transparent 55%),
    linear-gradient(160deg, var(--board), var(--board-2));
  color:var(--chalk);position:relative;overflow:hidden;
  border-bottom:8px solid #6b4b2a;
}
.board::after{ /* رفّ الطباشير */
  content:"";position:absolute;left:0;right:0;bottom:0;height:8px;
  background:linear-gradient(#7a5730,#4d3319);
}
.board .wrap{padding-block:76px 92px;position:relative}
.chalk-dust{position:absolute;inset:0;opacity:.05;pointer-events:none;
  background:radial-gradient(circle at 20% 30%, #fff 0 1px, transparent 2px),
             radial-gradient(circle at 70% 60%, #fff 0 1px, transparent 2px),
             radial-gradient(circle at 45% 80%, #fff 0 1px, transparent 2px);
  background-size:180px 180px,220px 220px,150px 150px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr;gap:34px} }

.hero h1{font-size:clamp(2.1rem,5.2vw,3.5rem);letter-spacing:-.01em}
.hero h1 .u{
  position:relative;color:#fff;
}
.hero h1 .u::after{
  content:"";position:absolute;right:-2%;left:-2%;bottom:-6px;height:10px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='12'%3E%3Cpath d='M2 8 Q50 2 100 7 T198 6' stroke='%23C79A3B' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100% 100% no-repeat;
  opacity:.9;
}
.hero p.lead{font-size:1.18rem;color:var(--chalk-soft);max-width:46ch;margin-top:18px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero .trust{margin-top:26px;font-size:.92rem;color:var(--chalk-soft);display:flex;gap:20px;flex-wrap:wrap}
.hero .trust b{color:#fff;font-family:var(--f-display)}

/* بطاقة الحقيبة داخل السبورة */
.satchel{
  background:var(--paper-2);border-radius:16px;padding:8px;box-shadow:var(--shadow-lg);
  transform:rotate(-1.2deg);
}
.satchel .head{
  background:var(--board);color:var(--chalk);border-radius:11px;padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;font-family:var(--f-display)
}
.satchel .tabs{display:flex;flex-direction:column;gap:8px;padding:14px}
.tab-row{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:10px;background:var(--paper);border:1px solid var(--line-soft);color:var(--ink)}
.tab-row .dot{width:10px;height:26px;border-radius:4px;flex:none}
.tab-row small{color:var(--ink-soft);font-size:.82rem;margin-inline-start:auto}

/* ============================ الأقسام العامة ============================ */
section{padding-block:74px}
.sec-head{max-width:60ch;margin-bottom:40px}
.sec-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
.sec-head p{margin-top:12px;color:var(--ink-soft);font-size:1.08rem}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:860px){ .grid-3,.grid-2{grid-template-columns:1fr} }

.card{
  background:var(--paper-2);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow);transition:transform .16s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ico{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;
  background:rgba(22,54,42,.08);color:var(--board);font-size:1.4rem;margin-bottom:16px}
.card h3{font-size:1.22rem;margin-bottom:8px}
.card p{color:var(--ink-soft);margin:0;font-size:.98rem}

/* شارة الريادة */
.riada-badge{
  display:inline-flex;align-items:center;gap:.5em;background:rgba(199,154,59,.14);
  color:#8a6a1e;border:1px solid rgba(199,154,59,.4);padding:.35em .8em;border-radius:999px;
  font-weight:700;font-size:.85rem;
}

/* الخطوات (سيرورة حقيقية → ترقيم مبرَّر) */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media (max-width:860px){ .steps{grid-template-columns:1fr} }
.step{position:relative;padding-top:20px}
.step::before{
  counter-increment:s;content:counter(s,arabic-indic);
  font-family:var(--f-display);font-size:2.4rem;color:var(--brass);line-height:1;
}
.step h3{margin:10px 0 6px;font-size:1.2rem}
.step p{color:var(--ink-soft);font-size:.98rem;margin:0}

/* التسعير */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
@media (max-width:860px){ .prices{grid-template-columns:1fr} }
.price{background:var(--paper-2);border:1.5px solid var(--line);border-radius:16px;padding:30px 26px;display:flex;flex-direction:column}
.price.featured{border-color:var(--board);box-shadow:var(--shadow-lg);position:relative}
.price.featured::before{content:"الأكثر اختيارًا";position:absolute;top:-13px;inset-inline-start:24px;
  background:var(--red);color:#fff;font-size:.78rem;font-weight:700;padding:.25em .8em;border-radius:999px}
.price h3{font-size:1.25rem}
.price .amount{font-family:var(--f-display);font-size:2.6rem;color:var(--board);margin:10px 0 2px}
.price .amount span{font-size:1rem;color:var(--ink-soft);font-family:var(--f-body)}
.price ul{list-style:none;padding:0;margin:18px 0 24px;display:flex;flex-direction:column;gap:10px}
.price li{display:flex;gap:10px;color:var(--ink-soft);font-size:.96rem}
.price li::before{content:"✓";color:var(--board);font-weight:800}
.price .btn{margin-top:auto;justify-content:center}

/* ============================ التذييل ============================ */
footer{background:var(--board-2);color:var(--chalk-soft);padding-block:52px 30px;margin-top:20px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
@media (max-width:860px){ footer .cols{grid-template-columns:1fr 1fr} }
footer h4{font-family:var(--f-display);color:var(--chalk);font-size:1rem;margin:0 0 14px}
footer a{display:block;padding:5px 0;color:var(--chalk-soft);font-size:.94rem}
footer a:hover{color:#fff}
footer .brand{color:var(--chalk)}
footer .fine{border-top:1px solid rgba(234,242,236,.12);margin-top:36px;padding-top:18px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ============================ صفحة الكاطالوغ ============================ */
.catalog-head{background:var(--board);color:var(--chalk);padding-block:44px}
.catalog-head h1{font-size:clamp(1.8rem,4vw,2.6rem)}
.catalog-head p{color:var(--chalk-soft);margin-top:8px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 10px}
.chip{
  font-family:var(--f-body);font-weight:600;font-size:.95rem;padding:.5em 1.1em;border-radius:999px;
  border:1.5px solid var(--line);background:var(--paper-2);color:var(--ink-soft);cursor:pointer;transition:.15s
}
.chip:hover{border-color:var(--board)}
.chip.active{background:var(--board);color:var(--chalk);border-color:var(--board)}
.kit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
@media (max-width:960px){ .kit-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .kit-grid{grid-template-columns:1fr} }
.kit{
  background:var(--paper-2);border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .16s, box-shadow .2s;display:flex;flex-direction:column
}
.kit:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.kit .cover{height:120px;background:linear-gradient(135deg,var(--board),var(--board-2));position:relative;padding:16px;color:var(--chalk)}
.kit .cover .subj{font-family:var(--f-display);font-size:1.35rem}
.kit .cover .lvl{position:absolute;bottom:12px;inset-inline-start:16px;font-size:.8rem;background:rgba(234,242,236,.14);padding:.2em .7em;border-radius:999px}
.kit .cover .tabmark{position:absolute;top:0;inset-inline-end:20px;width:26px;height:34px;border-radius:0 0 6px 6px}
.kit .body{padding:16px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.kit .body .count{font-size:.85rem;color:var(--ink-soft)}
.kit .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px}
.kit .foot .p{font-family:var(--f-display);font-size:1.3rem;color:var(--board)}
.empty{padding:60px 0;text-align:center;color:var(--ink-soft)}

/* ============================ التدفّق الموجّه (الاختيار) ============================ */
.pick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pick-grid.three{grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:960px){ .pick-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){ .pick-grid,.pick-grid.three{grid-template-columns:1fr} }
.pick-card{
  position:relative;background:var(--paper-2);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .16s, box-shadow .2s;
  display:flex;flex-direction:column;gap:6px;overflow:hidden
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pick-card h3{font-size:1.3rem;color:var(--board)}
.pick-card p{color:var(--ink-soft);font-size:.92rem;margin:0}
.pick-card .pick-go{margin-top:10px;color:var(--red);font-weight:700;font-size:.9rem}
.pick-card.cycle{padding-top:30px}
.pick-ico{font-size:2.4rem;margin-bottom:6px}
.pick-card .pick-tab{position:absolute;top:0;inset-inline-end:26px;width:24px;height:32px;border-radius:0 0 6px 6px}
.pick-card.subj{padding-top:30px}

.cover-list{display:flex;flex-wrap:wrap;gap:8px}
.cover-chip{background:rgba(22,54,42,.08);color:var(--board);border:1px solid var(--line-soft);
  border-radius:999px;padding:.35em .9em;font-weight:600;font-size:.9rem}

.pick-card.riada{border-color:rgba(192,57,43,.35);background:linear-gradient(180deg,#fff,#fdf6f5)}
.pick-card.riada:hover{box-shadow:0 12px 40px rgba(192,57,43,.18)}
.pick-card.riada h3{color:#C0392B}
.riada-hero{background:linear-gradient(180deg,#fff,#fdf3f2);border:1px solid rgba(192,57,43,.25);
  border-radius:14px;padding:22px 24px;box-shadow:var(--shadow)}

/* ============================ صفحة المنتج ============================ */
.prod{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start}
@media (max-width:900px){ .prod{grid-template-columns:1fr} }
.prod .checklist{list-style:none;padding:0;margin:20px 0;display:grid;gap:12px}
.prod .checklist li{display:flex;gap:12px;padding:14px 16px;background:var(--paper-2);border:1px solid var(--line-soft);border-radius:11px}
.prod .checklist .ck{color:var(--board);font-weight:800;flex:none}
.buybox{position:sticky;top:88px;background:var(--paper-2);border:1.5px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.buybox .price-tag{font-family:var(--f-display);font-size:2.4rem;color:var(--board)}
.buybox .btn{width:100%;justify-content:center;margin-top:14px}
.buybox .assure{margin-top:16px;font-size:.85rem;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start}

/* ============================ صفحة المولّد ============================ */
.gen-head{background:var(--board);color:var(--chalk);padding-block:40px}
.gen-wrap{display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:start;margin-top:30px}
@media (max-width:900px){ .gen-wrap{grid-template-columns:1fr} }
.panel{background:var(--paper-2);border:1px solid var(--line-soft);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px;color:var(--ink)}
.field select,.field input{
  width:100%;font-family:var(--f-body);font-size:1rem;padding:.7em .8em;border-radius:10px;
  border:1.5px solid var(--line);background:var(--paper);color:var(--ink)
}
.field select:focus,.field input:focus{outline:2px solid var(--board);outline-offset:1px;border-color:var(--board)}

/* الوثيقة المولَّدة — بأسلوب وثيقة رسمية */
.doc{
  background:#fff;border:1px solid var(--line);border-radius:12px;min-height:420px;
  padding:34px 38px;font-family:var(--f-doc);font-size:1.05rem;line-height:1.9;color:#111;
  box-shadow:var(--shadow);position:relative
}
.doc .doc-header{text-align:center;border-bottom:2px solid var(--board);padding-bottom:14px;margin-bottom:22px}
.doc .doc-header .kingdom{font-size:.9rem;color:#333}
.doc .doc-header h3{font-family:var(--f-doc);color:var(--board);font-size:1.5rem;margin-top:8px}
.doc table{width:100%;border-collapse:collapse;margin:14px 0;font-family:var(--f-body);font-size:.92rem}
.doc th,.doc td{border:1px solid #cbb;padding:8px 10px;text-align:right}
.doc th{background:rgba(22,54,42,.08);font-weight:700}
.doc h4{font-family:var(--f-body);color:var(--board);margin:18px 0 6px}
.doc .placeholder{color:#999;font-family:var(--f-body);text-align:center;padding-top:80px}
.gen-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.spinner{width:18px;height:18px;border:2.5px solid rgba(234,242,236,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.notice{background:rgba(199,154,59,.12);border:1px solid rgba(199,154,59,.4);color:#7a5e18;border-radius:10px;padding:12px 14px;font-size:.9rem;margin-top:14px}

/* أدوات مساعدة */
.center{text-align:center}
.mt-s{margin-top:14px}.mt-m{margin-top:26px}
.tag{display:inline-block;background:rgba(22,54,42,.08);color:var(--board);border-radius:999px;padding:.25em .7em;font-size:.8rem;font-weight:700;margin-inline-start:6px}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}