/* =========================================================
   كالكنوت — آلة حاسبة + لوحة كتابة
   نظام تصميم مستوحى من الدفاتر الورقية: خطوط الشبكة، الهامش
   الأحمر، حبر أزرق داكن، وأصفر القلم الرصاص.
   ========================================================= */

:root{
  --ink:#1B2A4A;
  --ink-soft:#33456B;
  --paper:#FBF6EA;
  --paper-deep:#F3ECDA;
  --line:#C9D6DE;
  --red:#C0392B;
  --mustard:#E8A33D;
  --mustard-deep:#C97F1F;
  --green:#2F6B4F;
  --white:#FFFDF7;
  --text:#20232B;
  --text-soft:#4B5566;
  --shadow:rgba(27,42,74,.16);
  --radius-s:8px;
  --radius-m:16px;
  --radius-l:26px;
  --font-display:'Lalezar', 'Cairo', sans-serif;
  --font-body:'Cairo', sans-serif;
  --max-w:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--text);
  direction:rtl;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
:focus-visible{outline:3px solid var(--green);outline-offset:3px}

.wrap{max-width:var(--max-w);margin:0 auto;padding:0 22px}

.paper-grid{
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:30px 30px;
  background-color:var(--paper);
  position:relative;
}

/* ---------- عناصر مشتركة ---------- */
.eyebrow-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--white);
  border:2px solid var(--ink);
  border-radius:40px;
  padding:6px 16px;
  font-weight:700;
  font-size:.92rem;
  color:var(--ink);
  transform:rotate(-1.5deg);
  box-shadow:3px 3px 0 var(--ink);
}

.section-title{
  font-family:var(--font-display);
  font-weight:400;
  font-size:clamp(1.8rem,4vw,2.7rem);
  color:var(--ink);
  line-height:1.35;
  max-width:640px;
}
.section-lead{
  color:var(--text-soft);
  font-size:1.05rem;
  max-width:560px;
  margin-top:12px;
}
.section-head{margin-bottom:40px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .section-title,
.section-head.center .section-lead{margin-inline:auto}

.section-pad{padding:76px 0}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-weight:700;
  font-size:1.05rem;
  border:none;
  border-radius:14px;
  padding:16px 30px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn-cta{
  background:var(--red);
  color:var(--white);
  box-shadow:0 6px 0 var(--mustard-deep);
}
.btn-cta:hover{transform:translateY(-2px)}
.btn-cta:active{transform:translateY(3px);box-shadow:0 2px 0 var(--mustard-deep)}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border:2px solid var(--ink);
}
.btn-outline:hover{background:var(--ink);color:var(--white)}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none !important}

/* ---------- الهيدر ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:14px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-display);
  font-size:1.5rem;color:var(--ink);
}
.brand i{color:var(--red)}
.header-note{
  display:flex;align-items:center;gap:8px;
  font-weight:700;color:var(--green);font-size:.95rem;
}
.header-note i{color:var(--green)}
.header-phone{
  display:flex;align-items:center;gap:8px;
  font-weight:700;color:var(--ink);
  border:2px solid var(--ink);
  padding:8px 14px;border-radius:12px;font-size:.92rem;
}
@media (max-width:760px){
  .header-note{display:none}
}

/* ---------- الهيرو ---------- */
.hero{
  padding:56px 0 60px;
  position:relative;
  overflow:clip;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:46px;
  align-items:center;
}
.hero-copy .eyebrow-tag{margin-bottom:20px}
.hero-title{
  font-family:var(--font-display);
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  color:var(--ink);
  line-height:1.3;
}
.hero-title .underline-mark{position:relative;white-space:nowrap}
.hero-title .underline-mark svg{
  position:absolute;bottom:-10px;right:0;width:100%;height:14px;
}
.hero-sub{
  margin-top:18px;font-size:1.12rem;color:var(--text-soft);max-width:520px;
}
.hero-price-row{
  display:flex;align-items:baseline;gap:14px;margin:26px 0 6px;flex-wrap:wrap;
}
.price-old{
  text-decoration:line-through;color:#94A0AE;font-size:1.2rem;font-weight:700;
}
.price-current{
  font-family:var(--font-display);
  color:var(--red);font-size:2.6rem;
}
.price-current small{font-family:var(--font-body);font-size:1rem;color:var(--ink)}
.save-badge{
  background:var(--mustard);color:var(--ink);
  padding:6px 12px;border-radius:8px;font-weight:800;font-size:.88rem;
  transform:rotate(-2deg);
}
.hero-shipping{
  display:flex;align-items:center;gap:8px;
  color:var(--green);font-weight:700;margin-bottom:22px;font-size:.98rem;
}

.countdown-box{
  background:var(--ink);color:var(--white);
  border-radius:var(--radius-m);
  padding:16px 18px;margin:18px 0 26px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.countdown-label{font-weight:700;font-size:.92rem;color:var(--mustard);display:flex;align-items:center;gap:8px}
.countdown-timer{display:flex;gap:10px}
.countdown-timer .cd-item{text-align:center;min-width:52px}
.countdown-timer .cd-num{
  font-family:var(--font-display);font-size:1.5rem;line-height:1;
  background:rgba(255,255,255,.08);border-radius:8px;padding:6px 4px;display:block;
}
.countdown-timer .cd-unit{font-size:.7rem;color:#C7D0DE;margin-top:4px;display:block}

.hero-cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-cta-row .btn-cta{font-size:1.15rem;padding:18px 36px}
.hero-guarantee{
  margin-top:16px;font-size:.9rem;color:var(--text-soft);
  display:flex;align-items:center;gap:8px;
}
.hero-guarantee i{color:var(--green)}

.hero-media{position:relative}
.hero-media .tape{
  position:absolute;top:-16px;right:38px;width:90px;height:34px;
  background:rgba(232,163,61,.55);
  transform:rotate(-6deg);
  box-shadow:0 2px 4px rgba(0,0,0,.1);
  z-index:2;
}
.hero-media img{
  border-radius:var(--radius-l);
  border:3px solid var(--ink);
  box-shadow:10px 10px 0 var(--paper-deep), 10px 10px 0 3px var(--ink);
}
.hero-media .sticker{
  position:absolute;bottom:-18px;left:-18px;
  background:var(--green);color:var(--white);
  width:104px;height:104px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-weight:800;font-size:.85rem;line-height:1.25;
  border:3px solid var(--white);
  transform:rotate(-8deg);
  box-shadow:0 6px 14px var(--shadow);
}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;text-align:center}
  .hero-copy{order:2}
  .hero-media{order:1;max-width:420px;margin:0 auto 18px}
  .hero-sub,.hero-guarantee,.hero-shipping{margin-inline:auto}
  .hero-cta-row,.hero-price-row{justify-content:center}
  .hero-media .sticker{left:0}
}

/* ---------- شريط الثقة ---------- */
.trust-bar{
  background:var(--ink);
  padding:20px 0;
}
.trust-bar .wrap{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.trust-item{
  display:flex;align-items:center;gap:10px;color:var(--white);
  font-weight:700;font-size:.95rem;flex:1;min-width:170px;justify-content:center;
}
.trust-item i{color:var(--mustard);font-size:1.3rem}

/* ---------- قسم المقارنة (المشكلة/الحل) ---------- */
.compare-section .wrap{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center;
}
.compare-img{position:relative}
.compare-img img{
  border-radius:var(--radius-l);border:3px solid var(--ink);
}
.compare-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.compare-row{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--white);
  border:2px solid var(--ink);
  border-radius:var(--radius-m);
  padding:14px 16px;
}
.compare-row.bad{border-style:dashed;opacity:.85}
.compare-row i{font-size:1.2rem;margin-top:3px}
.compare-row.bad i{color:var(--red)}
.compare-row.good i{color:var(--green)}
.compare-row strong{display:block;margin-bottom:2px;color:var(--ink)}
.compare-row span{color:var(--text-soft);font-size:.95rem}

@media (max-width:880px){
  .compare-section .wrap{grid-template-columns:1fr}
}

/* ---------- الميزات (صفوف دفتر متبادلة) ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:46px 0;
  border-top:2px dashed var(--line);
}
.feature-row:first-of-type{border-top:none}
.feature-row.reverse .feature-media{order:2}
.feature-row.reverse .feature-copy{order:1}
.feature-media img{
  border-radius:var(--radius-l);border:3px solid var(--ink);
}
.feature-num{
  font-family:var(--font-display);color:var(--mustard-deep);font-size:1rem;
  margin-bottom:8px;display:block;
}
.feature-copy h3{
  font-family:var(--font-display);font-weight:400;
  color:var(--ink);font-size:1.6rem;margin-bottom:12px;
}
.feature-copy p{color:var(--text-soft);font-size:1.02rem;margin-bottom:16px}
.feature-copy ul{display:flex;flex-direction:column;gap:10px}
.feature-copy li{display:flex;gap:10px;align-items:flex-start;color:var(--text)}
.feature-copy li i{color:var(--green);margin-top:4px}

@media (max-width:880px){
  .feature-row,.feature-row.reverse{grid-template-columns:1fr}
  .feature-row.reverse .feature-media,.feature-row.reverse .feature-copy{order:initial}
}

/* ---------- معرض الألوان (تمرير أفقي) ---------- */
.gallery-strip{
  display:flex;gap:18px;overflow-x:auto;padding:10px 4px 22px;
  scroll-snap-type:x proximity;
}
.gallery-strip::-webkit-scrollbar{height:8px}
.gallery-strip::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.gallery-item{
  flex:0 0 auto;width:230px;scroll-snap-align:start;
}
.gallery-item img{
  border-radius:var(--radius-m);border:3px solid var(--ink);
  aspect-ratio:4/3;object-fit:cover;
}
.gallery-item p{
  margin-top:10px;font-weight:700;color:var(--ink);font-size:.95rem;text-align:center;
}

/* ---------- المواصفات ---------- */
.specs-section{position:relative}
.specs-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
}
.spec-card{
  background:var(--white);
  border:2px solid var(--ink);
  border-radius:var(--radius-m);
  padding:26px 26px 10px;
}
.spec-card h3{
  font-family:var(--font-display);font-weight:400;color:var(--ink);
  font-size:1.4rem;margin-bottom:16px;display:flex;align-items:center;gap:10px;
}
.spec-card h3 i{color:var(--red)}
.spec-table{width:100%;border-collapse:collapse}
.spec-table tr{border-top:1px dashed var(--line)}
.spec-table tr:first-child{border-top:none}
.spec-table td{padding:12px 4px;font-size:.96rem}
.spec-table td:first-child{color:var(--text-soft);width:46%}
.spec-table td:last-child{color:var(--ink);font-weight:700}

@media (max-width:760px){
  .specs-grid{grid-template-columns:1fr}
}

/* ---------- نموذج الطلب ---------- */
.order-section{
  background:var(--ink);
  color:var(--white);
  position:relative;
}
.order-section .section-title{color:var(--white)}
.order-section .section-lead{color:#C7D0DE}
.order-grid{
  display:grid;grid-template-columns:1fr 1.15fr;gap:42px;align-items:start;
}
.order-summary{
  background:rgba(255,255,255,.06);
  border:2px solid rgba(255,255,255,.25);
  border-radius:var(--radius-m);
  padding:24px;
  position:sticky;top:96px;
}
.order-summary h3{font-family:var(--font-display);font-weight:400;font-size:1.3rem;margin-bottom:14px}
.order-summary img{border-radius:var(--radius-m);margin-bottom:14px;border:2px solid rgba(255,255,255,.3)}
.order-summary ul{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.order-summary li{display:flex;align-items:center;gap:8px;font-size:.92rem;color:#DCE3EE}
.order-summary li i{color:var(--mustard)}
.summary-line{display:flex;justify-content:space-between;padding:8px 0;border-top:1px dashed rgba(255,255,255,.25);font-size:.95rem}
.summary-line.total{font-weight:800;font-size:1.2rem;color:var(--mustard);border-top:2px solid rgba(255,255,255,.4)}

.order-form{
  background:var(--white);color:var(--text);
  border-radius:var(--radius-m);padding:28px;
}
.form-row{margin-bottom:18px}
.form-row label{
  display:block;font-weight:700;margin-bottom:8px;color:var(--ink);font-size:.95rem;
}
.form-row .req{color:var(--red)}
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea{
  width:100%;padding:13px 14px;border:2px solid #D9E0E6;
  border-radius:10px;font-family:inherit;font-size:1rem;background:var(--paper);color:var(--text);
  transition:border-color .15s ease;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:var(--ink);outline:none;
}
.form-row textarea{min-height:92px;resize:vertical}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field-hint{font-size:.82rem;color:var(--text-soft);margin-top:6px}
.field-error{font-size:.82rem;color:var(--red);margin-top:6px;display:none}
.form-row.invalid input,.form-row.invalid select,.form-row.invalid textarea{border-color:var(--red)}
.form-row.invalid .field-error{display:block}

.qty-control{display:flex;align-items:center;gap:0;width:fit-content;border:2px solid var(--ink);border-radius:10px;overflow:hidden}
.qty-control button{background:var(--paper-deep);border:none;width:44px;height:44px;font-size:1.2rem;color:var(--ink);font-weight:800}
.qty-control input{
  width:60px;text-align:center;border:none;border-inline:2px solid var(--ink);
  height:44px;font-weight:800;font-size:1.05rem;background:var(--white);
}
.qty-control input:focus{outline:none}

.delivery-note{
  margin-top:6px;font-size:.86rem;color:var(--green);font-weight:700;
  display:none;align-items:center;gap:6px;
}
.delivery-note.show{display:flex}

.order-form .btn-cta{width:100%;margin-top:6px}
.form-note{font-size:.82rem;color:var(--text-soft);margin-top:12px;text-align:center}

/* ---------- نافذة تأكيد الفاتورة ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(27,42,74,.55);
  display:none;align-items:center;justify-content:center;z-index:200;padding:18px;
}
.modal-overlay.open{display:flex}
.modal-box{
  background:var(--white);border-radius:var(--radius-m);
  max-width:440px;width:100%;padding:26px;max-height:88vh;overflow-y:auto;
}
.modal-box h3{
  font-family:var(--font-display);font-weight:400;color:var(--ink);
  font-size:1.4rem;margin-bottom:6px;
}
.modal-box .modal-sub{color:var(--text-soft);font-size:.9rem;margin-bottom:16px}
.invoice-table{width:100%;border-collapse:collapse;margin-bottom:16px}
.invoice-table td{padding:9px 2px;border-top:1px dashed var(--line);font-size:.93rem}
.invoice-table tr:first-child td{border-top:none}
.invoice-table td:first-child{color:var(--text-soft)}
.invoice-table td:last-child{text-align:left;font-weight:700;color:var(--ink)}
.invoice-total-row td{font-weight:800;font-size:1.15rem;color:var(--red);border-top:2px solid var(--ink) !important}
.modal-actions{display:flex;gap:12px}
.modal-actions .btn{flex:1}
.modal-close-x{
  position:absolute;top:16px;left:16px;background:none;border:none;font-size:1.3rem;color:var(--text-soft);
}
.modal-box{position:relative}

/* ---------- نجاح الإرسال ---------- */
.toast{
  position:fixed;bottom:24px;right:24px;left:24px;max-width:380px;margin-inline:auto;
  background:var(--green);color:var(--white);padding:18px 20px;border-radius:var(--radius-m);
  display:flex;gap:12px;align-items:flex-start;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  transform:translateY(140%);transition:transform .35s ease;z-index:300;
}
.toast.show{transform:translateY(0)}
.toast i{font-size:1.4rem;margin-top:2px}
.toast strong{display:block;margin-bottom:2px}
.toast span{font-size:.88rem;opacity:.9}

/* ---------- الأسئلة الشائعة ---------- */
.faq-list{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius-m);overflow:hidden}
.faq-q{
  width:100%;background:none;border:none;text-align:right;
  padding:18px 20px;display:flex;justify-content:space-between;align-items:center;
  font-weight:800;color:var(--ink);font-size:1.02rem;
}
.faq-q i{transition:transform .25s ease;color:var(--mustard-deep)}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 20px 18px;color:var(--text-soft);font-size:.96rem}
.faq-item.open .faq-a{max-height:260px}

/* ---------- الفوتر ---------- */
.site-footer{background:var(--ink);color:#C7D0DE;padding:46px 0 100px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.footer-brand{font-family:var(--font-display);color:var(--white);font-size:1.4rem;margin-bottom:10px}
.footer-col h4{color:var(--white);font-weight:800;margin-bottom:12px;font-size:.98rem}
.footer-col ul{display:flex;flex-direction:column;gap:8px;font-size:.9rem}
.footer-gov-list{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:.85rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);margin-top:32px;padding-top:18px;
  font-size:.84rem;text-align:center;color:#93A0B4;
}
.footer-credit{
  text-align:center;font-size:.8rem;color:#93A0B4;margin-top:6px;
}
.footer-credit a{color:#93A0B4;text-decoration:underline}
.footer-credit a:hover{color:var(--white)}
@media (max-width:820px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- شريط سفلي ثابت (موبايل) ---------- */
.sticky-cta{
  position:fixed;bottom:0;right:0;left:0;z-index:150;
  background:var(--white);border-top:2px solid var(--ink);
  padding:12px 16px;display:none;align-items:center;justify-content:space-between;gap:14px;
  box-shadow:0 -6px 18px rgba(0,0,0,.08);
}
.sticky-cta .price-current{font-size:1.5rem}
.sticky-cta .btn-cta{padding:13px 22px;font-size:.98rem}
@media (max-width:820px){
  .sticky-cta{display:flex}
  body{padding-bottom:78px}
}

/* ---------- زر واتساب عائم ---------- */
.wa-float{
  position:fixed;bottom:96px;left:18px;z-index:150;
  background:var(--green);color:var(--white);
  width:54px;height:54px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;
  box-shadow:0 6px 16px rgba(0,0,0,.25);
}
@media (max-width:820px){
  .wa-float{bottom:96px}
}
@media (min-width:821px){
  .wa-float{bottom:28px}
}

.visually-hidden{
  position:absolute !important;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;
}

@media (max-width:600px){
  .two-col{grid-template-columns:1fr}
  .order-grid{grid-template-columns:1fr}
  .order-summary{position:static}
}