/* ---------------------------------
   Ahmed Hazem – Fresh Portfolio UI
   --------------------------------- */
:root{
  --bg: #0f1220;
  --card: #151a2b;
  --card-2:#0f1527;
  --text:#e8ecf1;
  --muted:#9aa6b2;
  /* Brand palette: dark blue -> violet */
  --brand-start:#1e3a8a; /* deep blue */
  --brand-end:#7c3aed;   /* violet */
  --brand: var(--brand-end); /* fallback accent color for text/outlines */
  --brand-2:#60a5fa; /* secondary accent (blue-400) */
  --line:#232a3d;
  --shadow: 0 10px 30px rgba(0,0,0,.35);

  /* legacy CSS variables used by resume.html (compatibility) */
  --eerie-black-2: var(--card);
  --jet: var(--line);
  --shadow-2: var(--shadow);
  --white-1: var(--text);
  --fs-6: 14px;
  --fw-500: 500;
  --orange-yellow-crayola: var(--brand);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background: radial-gradient(1200px 800px at 10% -10%, #1b2140 0%, transparent 60%),
              radial-gradient(1000px 700px at 100% 0%, #141a33 0%, transparent 60%),
              var(--bg);
  background-size: 120% 120%, 120% 120%, 100% 100%;
  animation: breatheBackground 8s ease-in-out infinite;
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  will-change: background-position;
}
img{max-width:100%;display:block}
figure{margin:0}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,17,27,.75);
  backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 20px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.brand-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;box-shadow:var(--shadow)}
.brand-name{font-weight:600; 
  /* Breathing gradient text */
  background: linear-gradient(90deg,var(--brand-start),var(--brand-end),var(--brand-start));
  background-size:200% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation: breathColor 5s ease-in-out infinite, breathGlow 3.5s ease-in-out infinite;
  will-change: background-position, text-shadow;
}

@keyframes breathColor{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@keyframes breathGlow{
  0%{text-shadow:0 0 0 rgba(124,58,237,0.0)}
  50%{text-shadow:0 0 10px rgba(124,58,237,0.55)}
  100%{text-shadow:0 0 0 rgba(124,58,237,0.0)}
}
@keyframes breatheBackground{
  0%{background-position: 10% -10%, 100% 0%}
  25%{background-position: 15% -5%, 95% 5%}
  50%{background-position: 20% 0%, 90% 10%}
  75%{background-position: 15% -5%, 95% 5%}
  100%{background-position: 10% -10%, 100% 0%}
}

.site-nav .nav-toggle{display:none;background:none;border:0}
.site-nav .nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0;border-radius:1px}
.nav-list{display:flex;gap:10px;align-items:center;margin:0;padding:0;list-style:none}
.nav-link{color:var(--muted);padding:8px 12px;border-radius:8px;display:inline-block;text-decoration:none}
.nav-link:hover,.nav-link.active{color:#111;background:var(--text);text-decoration:none}

@media (max-width: 820px){
  .site-nav .nav-toggle{display:inline-block}
  .nav-list{position:fixed;right:16px;top:64px;flex-direction:column;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;border-radius:12px;display:none}
  .nav-list.open{display:flex}
}

/* Sections */
.section{padding:72px 20px;max-width:1100px;margin-inline:auto}
.title-xl{font-size:clamp(26px,5vw,44px);margin:0 0 8px}
.title-lg{font-size:clamp(22px,4vw,34px);margin:0 0 18px}
.title-md{font-size:clamp(18px,3.5vw,22px);margin:28px 0 12px;color:var(--muted)}
.lead{color:var(--muted)}

/* Hero */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.hero-media{justify-self:end}
.hero-photo{width:min(360px,80vw);border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--line)}
.subtitle{color:var(--brand-end)}
.cta-row{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}

/* Subtle breathing gradient for hero name */
.hero .title-xl{
  background: linear-gradient(90deg,var(--brand-start),var(--brand-end),var(--brand-start));
  background-size:200% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation: breathColor 6s ease-in-out infinite;
  will-change: background-position;
}

.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:10px 14px;font-weight:600;text-decoration:none;border:1px solid var(--line)}
.btn.primary{background:linear-gradient(135deg,var(--brand-start),var(--brand-end));color:#fff;border-color:transparent}
.btn.ghost{background:transparent;color:var(--text)}
/* .btn:hover{transition: ease-in-out 0.2s;} */

.socials{display:flex;gap:10px;margin:18px 0 0;padding:0;list-style:none}
.socials img{width:28px;height:28px;filter:grayscale(1) brightness(.9)}
.socials a:hover img{filter:none}

@media (max-width: 900px){
  .hero{grid-template-columns:1fr; grid-template-areas: "media" "text";}
  .hero-text{grid-area:text}
  .hero-media{grid-area:media; justify-self:center; margin-bottom:14px}
}

/* Mobile typography and touch targets */
@media (max-width: 640px){
  .title-xl{font-size:clamp(25px,12vw,40px);line-height:1.2;text-align: center;}
  .title-lg{font-size:clamp(20px,6.8vw,28px);line-height:1.25}
  .title-md{font-size:16px;line-height:1.3}
  .subtitle{font-size:15px}
  .lead{font-size:16px;line-height:1.7}

  .nav-list .nav-link{font-size:16px;padding:10px 14px;}
  .btn{font-size:15px;padding:12px 14px}

  .card-title{font-size:17px}
  .card-text{font-size:15px;line-height:1.7}
  .chips li{font-size:13px;padding:6px 10px}
}

/* Projects */
.section-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-btn{background:var(--card);border:1px solid var(--line);color:var(--text);padding:6px 10px;border-radius:10px}
.filter-btn.active{outline:2px solid var(--brand)}

.project-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin:18px 0 0;padding:0;list-style:none}
.project-card{grid-column:span 4;background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;padding:0}

/* Ensure grid items and cards stretch to full width of their columns */
.project-grid{justify-items:stretch}

/* Move rounding to cover wrapper; keep image flush to edges */
.cover{border-top-left-radius:14px;border-top-right-radius:14px}

/* Remove whole-card hover lift */
.project-card:hover{transform:none}

/* Ensure cover fills full card width */
.cover{position:relative;aspect-ratio:16/9;background:#0b1020;overflow:hidden;border-bottom:1px solid var(--line);width:100%;display:block;border-top-left-radius:14px;border-top-right-radius:14px}
.cover img{width:100%;height:100%;display:block;object-fit:cover;object-position:center center;transform-origin:center center;border-radius:0;transition:transform .35s ease}

/* Hover effects limited to the image area */
.cover:hover img{transform:scale(1.06)}

.img-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(180deg,rgba(0,0,0,.0),rgba(0,0,0,.5));opacity:0;transition:opacity 0s linear;will-change:opacity}
.cover:hover .img-overlay{opacity:1}

.img-overlay .btn{transition:none}
.img-overlay .btn.ghost{-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);will-change:backdrop-filter}
.img-overlay .btn.primary{background:linear-gradient(135deg,var(--brand-start),var(--brand-end));color:#fff}
.img-overlay .btn.ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.2)}

.card-body{padding:12px 12px 16px}
.card-title{margin:6px 0 6px;font-size:18px}
.card-tags{color:var(--brand-end);font-size:13px}
.card-text{color:var(--muted);font-size:14px}

@media (max-width: 1100px){.project-card{grid-column:span 6}}
@media (max-width: 640px){.project-card{grid-column:span 12}}

/* Skills */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 0;padding:0;list-style:none}
.chips li{background:var(--card);border:1px solid var(--line);color:var(--text);padding:6px 10px;border-radius:999px;font-size:14px}
.chips.muted li{color:var(--muted)}

.certs ul{padding:0;list-style:none}
.certs li{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);padding:12px;border-radius:12px;margin:8px 0}
.certs .cert-link{margin-left:8px;color:var(--brand-end)}

/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin:8px 0 0;padding:0;list-style:none}
.blog-card{grid-column:span 6;background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:14px}
.badge{background:#1d263f;border:1px solid var(--line);padding:4px 8px;border-radius:999px;font-size:12px;color:var(--brand-2)}

@media (max-width: 820px){.blog-card{grid-column:span 12}}

/* Blog embed helpers */
.linkedin-embed-container{display:flex;flex-direction:column;gap:8px}
.linkedin-logo{width:24px;height:24px;opacity:.9}
.linkedin-embed-placeholder{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px}
.linkedin-embed{width:100%;min-height:420px;border:0;border-radius:10px;background:#0b1020}

/* Timeline */
.timeline{margin:18px 0}
.timeline-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.timeline-item{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:12px;padding:12px}
.timeline .meta{color:var(--muted);font-size:13px;margin:4px 0 6px}

/* Card actions */
.card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}

/* Certificate actions */
.cert-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}

/* Contact info */
.contact-info{display:flex;gap:16px;flex-wrap:wrap;margin:10px 0 18px;color:var(--muted)}
.contact-info a, .contact-info span{display:inline-flex;align-items:center;gap:6px;color:inherit;text-decoration:none}

/* Contact */
.contact-form{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.input{width:100%;background:#0b1020;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:10px}
.input::placeholder{color:#6b7280}
@media (max-width: 640px){.contact-form .row{grid-template-columns:1fr}}

/* Footer */
.site-footer{padding:28px 20px;border-top:1px solid var(--line);color:var(--muted);text-align:center}


/* End */

/* Chatbot widget */
.chatbot{position:fixed;right:16px;bottom:16px;z-index:60}
.chatbot-fab{position:relative;z-index:2;width:52px;height:52px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;box-shadow:var(--shadow);
  background:linear-gradient(135deg,var(--brand-start),var(--brand-end));color:#fff;font-size:22px}
.chatbot-fab ion-icon{font-size:24px}

/* Panel stays in same position, just gets higher z-index when open */
.chatbot-panel{position:absolute;right:0;bottom:64px;z-index:1;width:min(360px,85vw);background:linear-gradient(180deg,var(--card),var(--card-2));
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);display:none;flex-direction:column;overflow:hidden}
.chatbot.open .chatbot-panel{display:flex;z-index:9999} /* show and raise above other elements when open */
.chatbot-header{display:flex;align-items:center;justify-content:space-between;padding:10px;border-bottom:1px solid var(--line)}
.chatbot-ident{display:flex;align-items:center;gap:10px}
.chatbot-ident img{width:28px;height:28px;border-radius:50%}
.chatbot-titles strong{display:block;line-height:1}
.chatbot-titles span{display:block;font-size:12px;color:var(--muted);line-height:1.2}
.chatbot-close{background:transparent;border:0;color:var(--text);cursor:pointer;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;position:relative;z-index:10000}
.chatbot-close:hover{background:#111827}

.chatbot-messages{max-height:360px;min-height:180px;overflow:auto;display:flex;flex-direction:column;gap:8px;padding:10px}
.msg{padding:8px 10px;border-radius:12px;font-size:14px;max-width:85%}
.msg.user{align-self:flex-end;background:#1e2a44;color:#fff}
.msg.bot{align-self:flex-start;background:#0b1020;border:1px solid var(--line)}
.msg.typing{opacity:0.75;font-style:italic}

/* Markdown styling within chatbot messages */
.msg.bot h1, .msg.bot h2, .msg.bot h3 {
  margin: 8px 0 4px 0;
  font-size: 1em;
  font-weight: 600;
  color: var(--brand-2);
}
.msg.bot strong {
  color: var(--text);
  font-weight: 600;
}
.msg.bot em {
  font-style: italic;
  color: var(--muted);
}
.msg.bot code {
  background: rgba(30, 42, 68, 0.6);
  color: var(--brand-2);
  padding: 2px 4px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}
.msg.bot pre {
  background: rgba(30, 42, 68, 0.8);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  margin: 6px 0;
  overflow-x: auto;
}
.msg.bot pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.85em;
  line-height: 1.4;
}
.msg.bot ul {
  margin: 6px 0;
  padding-left: 16px;
}
.msg.bot li {
  margin: 2px 0;
  list-style-type: disc;
}

.chatbot-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chatbot-text{flex:1;border-radius:10px;border:1px solid var(--line);background:#0b1020;color:var(--text);padding:10px}
.chatbot-send{background:var(--brand-end);border:0;color:#fff;border-radius:10px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.chatbot-send ion-icon{font-size:18px}