/* =====================================================================
   ثيم Hacker / Terminal — داكن + أخضر نيون
   ===================================================================== */

:root {
  --bg:        #0a0e0a;
  --bg-soft:   #0f1610;
  --panel:     #111a12;
  --panel-2:   #0c130d;
  --border:    #1c2c1e;
  --border-lit:#2a4a2d;
  --green:     #00ff7f;
  --green-dim: #00cc66;
  --green-glow:rgba(0, 255, 127, 0.45);
  --text:      #c7e8cf;
  --text-soft: #7da589;
  --text-mute: #4f6b56;
  --danger:    #ff4d4d;
  --warn:      #ffb84d;
  --radius:    10px;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Cairo', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
}

#matrix-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.12;
  pointer-events: none;
}
body > *:not(#matrix-bg) { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
::selection { background: var(--green); color: #000; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-lit); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

/* ======================= الناف بار ======================= */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 14, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.6); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--mono); font-weight: 700; font-size: 1.05rem;
  color: var(--green); letter-spacing: .5px;
}
.nav-logo .prompt { color: var(--text); }
.nav-logo .cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: .92rem; color: var(--text-soft);
  position: relative; padding: 4px 0; transition: color .25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; right: 0;
  width: 0; height: 2px; background: var(--green);
  box-shadow: 0 0 8px var(--green-glow); transition: width .3s;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }
.nav-toggle {
  display: none; background: none; border: none;
  color: var(--green); font-size: 1.6rem; cursor: pointer;
}
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-toggle {
  font-family: var(--mono); font-size: .82rem; font-weight: 700;
  background: transparent; border: 1px solid var(--border-lit);
  color: var(--green); padding: 5px 12px; border-radius: 6px;
  cursor: pointer; transition: all .2s; min-width: 42px;
}
.lang-toggle:hover { background: var(--green); color: #04140a; box-shadow: 0 0 12px var(--green-glow); }

/* ======================= الهيرو ======================= */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 120px 24px 60px; position: relative;
}
.hero-grid {
  max-width: 1100px; width: 100%; display: grid;
  grid-template-columns: 320px 1fr; gap: 56px; align-items: center;
}
.hero-photo-col { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.photo-frame { position: relative; display: inline-block; }
.photo-frame img {
  width: 240px; height: 240px; object-fit: cover; border-radius: 50%;
  border: 2px solid var(--border-lit); background: var(--panel);
  display: block; transition: width .15s, height .15s;
}
.photo-ring {
  position: absolute; inset: -10px; border-radius: 50%;
  border: 1px dashed var(--green-dim);
  box-shadow: 0 0 30px var(--green-glow), inset 0 0 30px rgba(0,255,127,.08);
  animation: spin 18s linear infinite; pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

.photo-control {
  width: 100%; max-width: 280px; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; font-family: var(--mono); font-size: .8rem;
}
.photo-control label { color: var(--text-soft); display: block; margin-bottom: 8px; }
.photo-control label span { color: var(--green); font-weight: 700; }
.photo-control input[type=range] { width: 100%; accent-color: var(--green); cursor: pointer; }
.copy-size-btn {
  margin-top: 10px; width: 100%; background: transparent;
  border: 1px solid var(--border-lit); color: var(--text-soft);
  font-family: var(--mono); font-size: .78rem; padding: 7px;
  border-radius: 6px; cursor: pointer; transition: all .2s;
}
.copy-size-btn:hover { border-color: var(--green); color: var(--green); }

.hero-greet { font-family: var(--mono); color: var(--green); font-size: 1rem; margin-bottom: 10px; }
.hero-name {
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800;
  line-height: 1.2; color: #fff; margin-bottom: 6px;
}
.hero-title {
  font-family: var(--mono); font-size: clamp(.95rem, 2vw, 1.2rem);
  color: var(--green-dim); margin-bottom: 20px;
}
.hero-bio { color: var(--text-soft); max-width: 560px; margin-bottom: 26px; font-size: 1.02rem; }
.hero-socials { display: flex; gap: 14px; margin-bottom: 30px; flex-wrap: wrap; }
.social-btn {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid var(--border-lit); border-radius: 8px;
  color: var(--text-soft); transition: all .25s; background: var(--panel-2);
}
.social-btn svg { width: 20px; height: 20px; fill: currentColor; }
.social-btn:hover {
  color: var(--green); border-color: var(--green);
  box-shadow: 0 0 14px var(--green-glow); transform: translateY(-3px);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* الأزرار */
.btn {
  font-family: var(--mono); font-size: .92rem; font-weight: 600;
  padding: 12px 26px; border-radius: 8px; cursor: pointer;
  transition: all .25s; display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--green); color: #04140a; font-weight: 700;
  box-shadow: 0 0 18px var(--green-glow);
}
.btn-primary:hover { background: #fff; box-shadow: 0 0 26px var(--green-glow); transform: translateY(-2px); }
.btn-ghost { background: transparent; border-color: var(--border-lit); color: var(--text); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

.scroll-down {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: var(--green-dim); font-size: 1.2rem; animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ======================= الأقسام ======================= */
.section { max-width: 1100px; margin: 0 auto; padding: 90px 24px; }
.section-head { margin-bottom: 44px; }
.section-tag { font-family: var(--mono); color: var(--green); font-size: 1.1rem; }
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800;
  color: #fff; display: inline-block; margin-right: 10px;
}
.title-accent { font-family: var(--mono); font-size: .9rem; color: var(--text-mute); font-weight: 400; }

/* شبكة البطاقات */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }

.card {
  background: linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: all .3s; position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; right: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  transform: scaleX(0); transition: transform .35s;
}
.card:hover { border-color: var(--border-lit); transform: translateY(-5px); box-shadow: 0 14px 40px rgba(0,0,0,.5); }
.card:hover::before { transform: scaleX(1); }

.card-icon { font-size: 1.6rem; margin-bottom: 14px; color: var(--green); }
.card-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.card-sub { font-family: var(--mono); font-size: .82rem; color: var(--text-mute); margin-bottom: 16px; }
.card-link {
  font-family: var(--mono); font-size: .85rem; color: var(--green);
  display: inline-flex; align-items: center; gap: 6px;
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.card-link:hover { border-color: var(--green); }
.card-badge {
  display: inline-block; font-family: var(--mono); font-size: .72rem;
  padding: 3px 10px; border-radius: 20px; margin-bottom: 12px;
  border: 1px solid var(--border-lit); color: var(--green-dim);
}

/* ======================= قائمة الـ CVE ======================= */
.cve-list { display: flex; flex-direction: column; gap: 16px; }
.cve-item {
  background: var(--panel-2); border: 1px solid var(--border);
  border-right: 3px solid var(--green-dim); border-radius: var(--radius);
  padding: 20px 24px; display: flex; align-items: center;
  justify-content: space-between; gap: 20px; flex-wrap: wrap;
  transition: all .3s;
}
.cve-item:hover { border-color: var(--border-lit); border-right-color: var(--green); transform: translateX(-4px); }
.cve-main { flex: 1; min-width: 260px; }
.cve-id {
  font-family: var(--mono); font-size: 1.05rem; font-weight: 700;
  color: var(--green); margin-bottom: 6px; display: block;
}
.cve-desc { color: var(--text-soft); font-size: .95rem; }
.cve-side { display: flex; align-items: center; gap: 16px; }
.sev {
  font-family: var(--mono); font-size: .72rem; padding: 4px 12px;
  border-radius: 20px; font-weight: 700;
}
.sev-Critical { background: rgba(255,77,77,.15); color: var(--danger); border: 1px solid var(--danger); }
.sev-High     { background: rgba(255,77,77,.12); color: var(--danger); border: 1px solid rgba(255,77,77,.4); }
.sev-Medium   { background: rgba(255,184,77,.12); color: var(--warn); border: 1px solid rgba(255,184,77,.4); }
.sev-Low      { background: rgba(0,255,127,.1); color: var(--green-dim); border: 1px solid var(--border-lit); }

/* ======================= التواصل ======================= */
.contact-wrap { max-width: 680px; margin: 0 auto; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 14px 16px; color: var(--text);
  font-family: var(--sans); font-size: .98rem; width: 100%;
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,255,127,.12);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-mute); }
.contact-form .btn-primary { justify-content: center; padding: 14px; }
.form-status { font-family: var(--mono); font-size: .88rem; text-align: center; min-height: 20px; }
.form-status.ok { color: var(--green); }
.form-status.err { color: var(--danger); }

/* ======================= الخط الزمني (الخبرات) ======================= */
.timeline { position: relative; padding-right: 28px; }
.timeline::before {
  content: ''; position: absolute; top: 6px; bottom: 6px; right: 6px;
  width: 2px; background: linear-gradient(var(--green-dim), transparent);
}
.tl-item { position: relative; padding-bottom: 36px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; top: 6px; right: -28px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 12px var(--green-glow);
  border: 2px solid var(--bg);
}
.tl-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.tl-role { font-size: 1.15rem; font-weight: 700; color: #fff; }
.tl-period { font-family: var(--mono); font-size: .78rem; color: var(--green-dim); margin-right: auto; }
.tl-company { font-family: var(--mono); font-size: .9rem; color: var(--text-soft); margin-bottom: 12px; }
.tl-company .dot { color: var(--text-mute); margin: 0 6px; }
.tl-points { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.tl-points li { position: relative; padding-right: 20px; color: var(--text-soft); font-size: .96rem; }
.tl-points li::before { content: '▹'; position: absolute; right: 0; color: var(--green); }

/* ======================= التعليم ======================= */
.edu-list { display: flex; flex-direction: column; gap: 16px; }
.edu-item {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px;
  display: flex; align-items: center; gap: 18px; transition: all .3s;
}
.edu-item:hover { border-color: var(--border-lit); transform: translateY(-3px); }
.edu-icon { font-size: 2rem; }
.edu-degree { font-size: 1.08rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.edu-school { font-family: var(--mono); font-size: .88rem; color: var(--text-soft); }

/* ======================= وسوم المشاريع ======================= */
.proj-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 4px; }
.proj-tag {
  font-family: var(--mono); font-size: .72rem; padding: 3px 10px;
  border-radius: 6px; background: rgba(0,255,127,.08);
  border: 1px solid var(--border-lit); color: var(--green-dim);
}
.proj-desc { color: var(--text-soft); font-size: .97rem; line-height: 1.85; }

/* ======================= الفوتر ======================= */
.footer { border-top: 1px solid var(--border); background: var(--panel-2); margin-top: 60px; }
.footer-grid {
  max-width: 1100px; margin: 0 auto; padding: 50px 24px 30px;
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px;
}
.footer-logo { font-family: var(--mono); color: var(--green); font-size: 1.1rem; margin-bottom: 12px; }
.footer-logo .prompt { color: var(--text); }
.footer-about p:last-child { color: var(--text-soft); max-width: 420px; }
.footer-socials { display: flex; gap: 12px; margin-bottom: 16px; }
.footer-email { font-family: var(--mono); color: var(--green); font-size: .92rem; border-bottom: 1px solid transparent; }
.footer-email:hover { border-color: var(--green); }
.footer-bottom {
  border-top: 1px solid var(--border); text-align: center;
  padding: 20px; font-family: var(--mono); font-size: .82rem; color: var(--text-mute);
}

/* ======================= ظهور الأقسام عند التمرير ======================= */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s, transform .7s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ======================= تجاوزات الوضع الإنجليزي (LTR) ======================= */
html[dir="ltr"] .section-title { margin-right: 0; margin-left: 10px; }
html[dir="ltr"] .timeline { padding-right: 0; padding-left: 28px; }
html[dir="ltr"] .timeline::before { right: auto; left: 6px; }
html[dir="ltr"] .tl-item::before { right: auto; left: -28px; }
html[dir="ltr"] .tl-period { margin-right: 0; margin-left: auto; }
html[dir="ltr"] .tl-points li { padding-right: 0; padding-left: 20px; }
html[dir="ltr"] .tl-points li::before { right: auto; left: 0; }
html[dir="ltr"] .proj-desc, html[dir="ltr"] .hero-bio { text-align: left; }
html[dir="ltr"] .cve-item { border-right: 1px solid var(--border); border-left: 3px solid var(--green-dim); }
html[dir="ltr"] .cve-item:hover { border-left-color: var(--green); transform: translateX(4px); }

/* ======================= الريسبونسف (الجوال) ======================= */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; justify-items: center; }
  .hero-socials, .hero-actions { justify-content: center; }
  .hero-bio { margin-left: auto; margin-right: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 60px; right: 0; left: 0;
    flex-direction: column; gap: 0; background: var(--bg-soft);
    border-bottom: 1px solid var(--border); padding: 10px 0;
    max-height: 0; overflow: hidden; transition: max-height .35s;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 14px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 64px 20px; }
  .cve-item { flex-direction: column; align-items: flex-start; }
}