/* =============================================================
   نظام التصميم — بورتفوليو أحمد
   الخط: IBM Plex Sans Arabic · اتجاه RTL · دعم الوضع الفاتح/الداكن
   ============================================================= */

/* ---------- الخطوط ---------- */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

/* ---------- المتغيّرات (Design Tokens) ---------- */
:root {
  --accent: #E8543A;
  --accent-ink: #ffffff;

  --bg: #F7F5F1;
  --surface: #FFFFFF;
  --surface-2: #F0EDE7;
  --ink: #17130F;
  --ink-soft: #3D3833;
  --muted: #726B63;
  --line: #E4DFD7;
  --line-strong: #D6D0C6;
  --shadow: 0 1px 2px rgba(23,19,15,.04), 0 12px 32px -12px rgba(23,19,15,.14);
  --shadow-lg: 0 2px 4px rgba(23,19,15,.05), 0 30px 60px -20px rgba(23,19,15,.25);

  /* المسافات */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --space-9: 96px; --space-10: 128px;

  --radius: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --maxw: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --font: 'IBM Plex Sans Arabic', system-ui, 'Segoe UI', sans-serif;
}

:root[data-theme="dark"] {
  --accent: #FF6A4D;
  --accent-ink: #1a0f0c;
  --bg: #0E0D0C;
  --surface: #171614;
  --surface-2: #201E1B;
  --ink: #F4F1EC;
  --ink-soft: #D8D3CB;
  --muted: #9C948A;
  --line: #2A2825;
  --line-strong: #38352F;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 16px 40px -16px rgba(0,0,0,.6);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 40px 80px -24px rgba(0,0,0,.7);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent: #FF6A4D; --accent-ink: #1a0f0c;
    --bg: #0E0D0C; --surface: #171614; --surface-2: #201E1B;
    --ink: #F4F1EC; --ink-soft: #D8D3CB; --muted: #9C948A;
    --line: #2A2825; --line-strong: #38352F;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 16px 40px -16px rgba(0,0,0,.6);
    --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 40px 80px -24px rgba(0,0,0,.7);
  }
}

/* ---------- تهيئة ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- تخطيط عام ---------- */
.wrap { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.section { padding-block: var(--space-9); }
@media (max-width: 720px){ .section { padding-block: var(--space-8); } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  color: var(--accent); text-transform: none;
}
.eyebrow::before { content:""; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }

.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-title {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700; line-height: 1.12; letter-spacing: -.01em;
  margin-top: var(--space-3);
}
.section-sub { color: var(--muted); font-size: 1.05rem; margin-top: var(--space-3); }

/* ---------- أزرار ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: var(--radius-full);
  font-weight: 600; font-size: 1rem; border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { box-shadow: 0 10px 24px -8px var(--accent); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--ink); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: .92rem; }
.btn-icon { width: 44px; height: 44px; padding: 0; }

/* ---------- الهيدر ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; }
.logo .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px; border-radius: var(--radius-full); font-size: .95rem; font-weight: 500;
  color: var(--ink-soft); transition: background .2s, color .2s;
}
.nav-links a:hover { background: var(--surface-2); color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--radius-full);
  background: transparent; border: 1px solid var(--line); color: var(--ink); transition: background .2s, border-color .2s;
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--line-strong); }
.nav-toggle { display: none; }

@media (max-width: 860px){
  .nav-links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--surface); border-bottom: 1px solid var(--line); padding: 12px 20px 20px;
    transform: translateY(-120%); transition: transform .3s var(--ease); box-shadow: var(--shadow);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px; font-size: 1.05rem; }
  .nav-toggle { display: grid; }
  .nav-cta-desktop { display: none; }
}

/* ---------- الهيرو ---------- */
.hero { padding-block: clamp(56px, 10vw, 120px) var(--space-9); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--space-8); align-items: center; }
.hero-kicker { margin-bottom: var(--space-4); }
.hero h1 {
  font-size: clamp(2.4rem, 6.2vw, 4.6rem); font-weight: 700; line-height: 1.06; letter-spacing: -.015em;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); margin-top: var(--space-5); max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-7); }
.hero-media { position: relative; }
.hero-photo {
  aspect-ratio: 4/5; width: 100%; object-fit: cover; border-radius: var(--radius-lg);
  background: var(--surface-2); box-shadow: var(--shadow-lg);
}
.hero-photo.placeholder { display: grid; place-items: center; color: var(--muted); border: 1px dashed var(--line-strong); }
.hero-badge {
  position: absolute; inset-block-end: -18px; inset-inline-start: -18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 12px 16px; box-shadow: var(--shadow); font-weight: 600; font-size: .9rem;
  display: flex; align-items: center; gap: 10px;
}
.hero-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: #26B26B; box-shadow: 0 0 0 0 rgba(38,178,107,.5); animation: pulse 2s infinite; }
@keyframes pulse { 70%{ box-shadow: 0 0 0 8px rgba(38,178,107,0);} 100%{ box-shadow: 0 0 0 0 rgba(38,178,107,0);} }
@media (max-width: 860px){ .hero-grid { grid-template-columns: 1fr; } .hero-media { order: -1; max-width: 340px; } }

/* ---------- شريط متحرك ---------- */
.marquee { border-block: 1px solid var(--line); padding-block: 18px; overflow: hidden; white-space: nowrap; }
.marquee-track { display: inline-flex; gap: 48px; animation: scroll 26s linear infinite; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font-size: 1.15rem; font-weight: 500; color: var(--muted); display: inline-flex; align-items: center; gap: 48px; }
.marquee span::after { content:"✦"; color: var(--accent); }
@keyframes scroll { to { transform: translateX(50%); } } /* RTL: يتحرك لليمين */

/* ---------- الإحصائيات ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--space-5); }
.stat { padding: var(--space-5) 0; border-top: 2px solid var(--ink); }
.stat .num { font-size: clamp(2rem,4vw,2.8rem); font-weight: 700; letter-spacing: -.02em; }
.stat .lbl { color: var(--muted); font-size: .95rem; margin-top: 4px; }
@media (max-width: 720px){ .stats { grid-template-columns: repeat(2,1fr); } }

/* ---------- عني ---------- */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-8); align-items: center; }
.about-img { aspect-ratio: 1/1; border-radius: var(--radius-lg); object-fit: cover; width: 100%; background: var(--surface-2); box-shadow: var(--shadow); }
.about-img.placeholder { display: grid; place-items: center; border: 1px dashed var(--line-strong); color: var(--muted); }
.about-text p { font-size: 1.12rem; color: var(--ink-soft); }
@media (max-width: 860px){ .about-grid { grid-template-columns: 1fr; } }

/* ---------- الخدمات ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); }
@media (max-width: 900px){ .services-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .services-grid { grid-template-columns: 1fr; } }
.service-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: var(--space-6); transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.service-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.service-ico {
  width: 52px; height: 52px; border-radius: var(--radius); display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); margin-bottom: var(--space-4);
}
.service-ico svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.2rem; font-weight: 600; }
.service-card p { color: var(--muted); margin-top: 8px; font-size: .98rem; }

/* ---------- المعرض ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--space-6); }
.filter {
  padding: 9px 16px; border-radius: var(--radius-full); border: 1px solid var(--line);
  background: transparent; color: var(--ink-soft); font-weight: 500; font-size: .92rem; transition: all .2s;
}
.filter:hover { border-color: var(--line-strong); }
.filter.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); }
@media (max-width: 900px){ .gallery { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .gallery { grid-template-columns: 1fr; } }
.work {
  border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; background: var(--surface);
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
}
.work:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line-strong); }
.work-thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--surface-2); position: relative; }
.work-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.work:hover .work-thumb img { transform: scale(1.05); }
.work-thumb.placeholder { display: grid; place-items: center; color: var(--muted); font-size: 2.4rem; }
.work-body { padding: var(--space-4) var(--space-5) var(--space-5); }
.work-cat { font-size: .8rem; color: var(--accent); font-weight: 600; }
.work-title { font-size: 1.15rem; font-weight: 600; margin-top: 4px; }
.work-meta { color: var(--muted); font-size: .88rem; margin-top: 6px; }
.badge-featured {
  position: absolute; inset-block-start: 12px; inset-inline-end: 12px; z-index: 2;
  background: var(--surface); color: var(--ink); font-size: .72rem; font-weight: 600;
  padding: 5px 10px; border-radius: var(--radius-full); box-shadow: var(--shadow);
}

/* ---------- نافذة تفاصيل المشروع (Lightbox) ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: none; }
.modal.open { display: block; }
.modal-overlay { position: absolute; inset: 0; background: rgba(10,8,6,.6); backdrop-filter: blur(4px); }
.modal-panel {
  position: absolute; inset-block: 0; inset-inline-end: 0; width: min(720px, 100%);
  background: var(--surface); overflow-y: auto; box-shadow: var(--shadow-lg);
  transform: translateX(-100%); transition: transform .35s var(--ease); /* RTL slide-in */
  padding: var(--space-7) var(--space-6) var(--space-8);
}
.modal.open .modal-panel { transform: translateX(0); }
.modal-close {
  position: sticky; top: 0; margin-inline-start: auto; margin-bottom: var(--space-3);
}
.modal-cover { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius-md); background: var(--surface-2); }
.modal h2 { font-size: 1.9rem; font-weight: 700; margin-top: var(--space-5); }
.modal-tags { display: flex; flex-wrap: wrap; gap: 16px; margin-top: var(--space-4); color: var(--muted); font-size: .92rem; }
.modal-tags b { color: var(--ink); font-weight: 600; }
.modal p.desc { margin-top: var(--space-5); font-size: 1.05rem; color: var(--ink-soft); }
.modal-gallery { display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.modal-gallery img { width: 100%; border-radius: var(--radius); }

/* ---------- التواصل ---------- */
.contact-card {
  background: var(--ink); color: var(--bg); border-radius: var(--radius-lg);
  padding: clamp(32px, 6vw, 72px); text-align: center;
}
:root[data-theme="dark"] .contact-card { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); }
.contact-card h2 { font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 700; }
.contact-card p { opacity: .8; margin-top: 12px; font-size: 1.1rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: var(--space-6); }
.contact-card .btn-ghost { color: inherit; border-color: color-mix(in srgb, currentColor 30%, transparent); }
.contact-card .btn-ghost:hover { background: rgba(255,255,255,.08); }
.contact-meta { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; margin-top: var(--space-6); opacity: .75; font-size: .95rem; }

/* ---------- الفوتر ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: var(--space-6); }
.footer-in { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.socials { display: flex; gap: 8px; }
.socials a { width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--radius-full); border: 1px solid var(--line); transition: all .2s; }
.socials a:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); transform: translateY(-2px); }
.socials svg { width: 19px; height: 19px; }
.footer-muted { color: var(--muted); font-size: .9rem; }

/* ---------- ظهور عند التمرير ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- إشعارات (Toast) ---------- */
.toast-wrap { position: fixed; inset-block-end: 20px; inset-inline-start: 50%; transform: translateX(50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--ink); color: var(--bg); padding: 12px 18px; border-radius: var(--radius-full);
  font-size: .95rem; box-shadow: var(--shadow-lg); animation: toastIn .3s var(--ease);
}
.toast.err { background: #C0392B; color: #fff; }
.toast.ok { background: #1E8E5A; color: #fff; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px);} }

/* ---------- شريط إشعار الإعداد ---------- */
.setup-note {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  color: var(--ink); border-radius: var(--radius-md); padding: 14px 18px; font-size: .95rem;
  display: flex; gap: 12px; align-items: center; margin-block: var(--space-5);
}
.setup-note a { color: var(--accent); font-weight: 600; text-decoration: underline; }
.hidden { display: none !important; }