:root{
  --bg:#0f1a2b; --card:#162232; --card-soft:#121d2c; --text:#e9f0f8; --muted:#a8b4c9;
  --border:#334155; --accent:#4da3ff; --accent-2:#8bc3ff; --shadow:0 10px 30px rgba(0,0,0,.35);
  --arrow-bg:#fff; --arrow-icon:#000
}
:root.light{
  --bg:#f7f9fc; --card:#fff; --card-soft:#f1f5fb; --text:#0b1220; --muted:#405168;
  --border:#d1d9e6; --accent:#0b63ff; --accent-2:#2f80ff; --shadow:0 6px 22px rgba(0,0,0,.12);
  --arrow-bg:#fff; --arrow-icon:#000
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1000px 700px at 60% -200px,#13304f 0%,var(--bg) 55%);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  line-height:1.65
}
a{color:var(--text);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Navbar */
.navbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(6px);background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--border)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;color:var(--accent-2);font-size:20px}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-links a{padding:8px 10px;border-radius:10px;color:var(--muted)}
.nav-links a:hover{background:var(--card);color:var(--text)}
.theme-toggle{width:38px;height:38px;display:grid;place-items:center;border-radius:999px;border:1px solid var(--border);cursor:pointer}

/* Hero */
.hero{position:relative;padding:140px 0 90px;text-align:center;overflow:hidden}
.hero .headline{font-size:clamp(2.4rem,5vw,4.5rem);font-weight:800;letter-spacing:.3px;margin:0}
.hero .headline .name{color:var(--accent-2);text-shadow:0 0 18px rgba(83,166,255,.55),0 0 2px rgba(83,166,255,.35)}
.hero .tagline{font-size:clamp(1.1rem,2.2vw,1.6rem);font-weight:700;margin-top:12px}
.hero .sub{max-width:780px;margin:18px auto 0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;cursor:pointer}
.btn-cta{background:var(--accent);border:none;box-shadow:var(--shadow);color:#fff}
.btn-outline{border:1px solid var(--border);color:var(--text);background:transparent}
.cta{display:flex;gap:12px;justify-content:center;margin-top:16px}
.social-hero{display:flex;justify-content:center;gap:18px;font-size:1.8rem;margin-top:24px}

/* Sections */
.section{padding:80px 0}
.section-title{font-size:38px;font-weight:800;margin:0 0 16px 0}
.section-title + .title-underline{width:200px;height:4px;background:linear-gradient(90deg,var(--accent),transparent);border-radius:4px;margin-bottom:26px}

/* About */
.about-pp{width:260px;height:260px;border-radius:50%;object-fit:cover;border:4px solid var(--accent);box-shadow:var(--shadow)}
.about-grid{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:center}
@media (max-width:900px){
  .about-grid{grid-template-columns:1fr;text-align:center}
  .about-pp{margin:0 auto}
}
.badge-ico{width:38px;height:38px;border-radius:999px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;margin-right:10px}
.inline-list{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);margin:18px 0 0}
.inline-list a{color:var(--accent)}

/* Cards / Skills */
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}
.skills-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.SkillBox{padding:20px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.chip{padding:6px 10px;border-radius:10px;background:var(--card-soft);border:1px solid var(--border);color:var(--muted);font-size:14px}

/* ===== Slider (clean) ===== */
/* الغلاف يسمح بخروج الأزرار */
.slider{ position:relative; overflow:visible; }

/* الكارد هو الذي يقص المحتوى داخل حدوده المستديرة */
.slider-card{ overflow:hidden; border-radius:16px; }

/* رؤية عنصر واحد فقط ومنع ظهور جزء من التالي */
.slider-viewport{ overflow:hidden; }
.slides{ display:flex; gap:0; transition:transform .45s ease; will-change:transform; backface-visibility:hidden; }
.slide{ flex:0 0 100%; min-width:100%; max-width:100%; padding:0; }

/* الأسهم على الغلاف (خارج الكارد) */
.slider .slider-btn{
  position:absolute; top:50%; transform:translateY(-50%);
  width:44px; height:44px; border-radius:999px; display:grid; place-items:center;
  border:1px solid var(--border); background:var(--arrow-bg); color:var(--arrow-icon);
  z-index:6; box-shadow:var(--shadow);
}
.slider .slider-btn.prev{ left:-22px; }
.slider .slider-btn.next{ right:-22px; }
@media (max-width:900px){
  .slider .slider-btn.prev{ left:10px; }
  .slider .slider-btn.next{ right:10px; }
}

/* Dots */
.dots{display:flex;gap:8px;justify-content:center;margin-top:14px}
.dot{width:8px;height:8px;border-radius:999px;background:#2c3e66}
.dot.active{background:var(--accent)}

/* Projects */
.project-card{padding:24px}
.project-row{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}
.project-img{width:100%;border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow);object-fit:cover;height:380px}
@media (max-width:900px){
  .project-row{grid-template-columns:1fr}
  .project-img{height:240px}
}

/* Timeline (optional) */
.timeline{position:relative;margin-left:10px}
.timeline::before{content:'';position:absolute;left:14px;top:0;bottom:0;width:3px;background:linear-gradient(var(--accent),transparent)}
.ti{position:relative;margin-left:40px;margin-bottom:20px}
.ti .dot{position:absolute;left:-34px;top:12px;width:10px;height:10px;background:var(--accent);border-radius:999px}
.ti .box{padding:18px;border-radius:14px;background:var(--card);border:1px solid var(--border)}

/* Certificates */
.cert-card{padding:26px}

/* ✅ هنا التعديل الخاص بالشهادات ليطابق قصّ الـ Projects */
#certs .slider-card{ overflow:hidden; border-radius:16px; }
#certs .slider-viewport{ overflow:hidden; }
#certs .slides{ gap:0; }
#certs .slide{ flex:0 0 100%; min-width:100%; max-width:100%; padding:0; }

/* بدلنا الـmargin إلى padding لنفس المسافة بدون أي لبس عند الحدود */
#certs .cert-inner{ padding:0 56px; margin:0; }
#certs .soft-card{ border:none; background:transparent; box-shadow:none; }

@media (max-width:900px){
  #certs .cert-inner{ padding:0 20px; }
}

/* Contact + Footer */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.footer{padding:36px 0;border-top:1px solid var(--border);color:var(--muted)}

/* Education card padding + tidy typography */
.edu-card{ padding:24px 28px; }
.edu-card h3{ margin:0 0 12px; }
.edu-card p{ margin:0; color:var(--muted); font-weight:600; }
@media (max-width:900px){ .edu-card{ padding:18px 20px; } }

/* ========================== */
/* ✅ إضافة مطلوبة: جعل صور المشاريع Fit بدون قص */
/* ========================== */
.project-img{
  object-fit:contain;        /* إظهار الصورة كاملة داخل الكارد */
  object-position:center;    /* تمركز الصورة */
  background:transparent;    /* لتجنّب أي لون خلفية غير مرغوب */
  display:block;             /* إزالة أي فجوات سفلية في بعض المتصفحات */
}