:root{
    --background: 0 0% 8%;
    --foreground: 0 0% 100%;
    --card: 0 0% 10%;
    --muted-foreground: 0 0% 65%;
    --secondary: 0 0% 15%;
    --border: 0 0% 20%;
    --primary: 128 72% 62%;
    --radius: 14px;
    --cyber-green: 128 72% 62%;
    --cyber-dark: 0 0% 13%;
    --cyber-darker: 0 0% 8%;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html:not(.js) .fade-in {
  opacity: 1;
  transform: none;
}

body{
    margin:0;
    font-family: "Rajdhani", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: hsl(var(--background));
    color: hsl(var(--foreground));
}

a { color: inherit; text-decoration: none; }

/* Layout */
.text-primary { color: hsl(var(--primary)); }
.text-muted-foreground { color: hsl(var(--muted-foreground)); }
.text-foreground { color: hsl(var(--foreground)); }
.font-rajdhani { font-family: "Rajdhani", sans-serif; }
.text-xl { font-size: 1.25rem; }
.text-4xl { font-size: 2.25rem; }
.font-bold { font-weight: 700; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-12 { padding-top: 3rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.container{
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}
/* The Universal Grid */
.main-grid {
    display: grid;
    gap: 1.5rem;
    /* Default: boxes are at least 280px wide */
    grid-template-columns: repeat(auto-fill, minmax(var(--grid-min-item-size, 280px), 1fr));
    align-items: start;
    width: 100%;
}

/* Specific size for Courses (Small boxes) */
#coursesGrid {
    --grid-min-item-size: 280px; 
}

/* Specific size for Certifications (Bigger boxes) */
#certGrid {
    --grid-min-item-size: 350px; 
}
/* Special Grid for Stats (Better for odd numbers like 5) */
.flex-center-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* Centers items (3 top, 2 bottom) */
    gap: 1.5rem;
}

.flex-center-grid .stat {
    flex: 1 1 200px; /* Grow to fill space, but at least 200px wide */
    max-width: 300px; /* Don't let them get too wide on huge screens */
    width: 100%;
}
/* Typography helpers */
.font-orbitron{ font-family: "Orbitron", system-ui, sans-serif; }

.muted{ color: hsl(var(--muted-foreground)); }

.gradient-text{
    background: linear-gradient(90deg, hsl(var(--primary)), #34d399);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
#matrix-canvas{
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.30;                 /* overall intensity */
    mix-blend-mode: screen;        /* makes green glow nicer on dark */
}
header, main, section, footer{
  position: relative;
  z-index: 1;
}

.cyber-glow-text{
  text-shadow:
    0 0 10px hsl(var(--cyber-green) / 0.8),
    0 0 20px hsl(var(--cyber-green) / 0.6),
    0 0 30px hsl(var(--cyber-green) / 0.4);
}
/* The Glow Pulse Animation */
@keyframes glow-pulse {
  0% {
    box-shadow: 0 0 5px hsl(var(--primary) / 0.4), 
                0 0 10px hsl(var(--primary) / 0.2);
    border-color: hsl(var(--primary) / 0.4);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 20px hsl(var(--primary) / 0.6), 
                0 0 30px hsl(var(--primary) / 0.4);
    border-color: hsl(var(--primary) / 0.8);
    transform: scale(1.02); /* Slight grow for a "heartbeat" feel */
  }
  100% {
    box-shadow: 0 0 5px hsl(var(--primary) / 0.4), 
                0 0 10px hsl(var(--primary) / 0.2);
    border-color: hsl(var(--primary) / 0.4);
    transform: scale(1);
  }
}

.animate-glow-pulse {
  animation: glow-pulse 3s infinite ease-in-out;
  transition: border-color 0.3s ease;
}
/* Buttons */
.btn, .btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
  will-change: transform;
  user-select: none;
}
.btn{
  background: hsl(var(--primary));
  color: hsl(0 0% 8%);
}
.btn:hover{
  transform: translateY(-1px) scale(1.03);
  box-shadow:
    0 0 20px hsl(var(--cyber-green) / 0.4),
    0 0 40px hsl(var(--cyber-green) / 0.2),
    0 0 60px hsl(var(--cyber-green) / 0.1);
}
.btn-outline{
  border: 1px solid hsl(var(--primary));
  color: hsl(var(--primary));
  background: transparent;
}
.btn-outline:hover{
  background: hsl(var(--primary));
  color: hsl(0 0% 8%);
  box-shadow:
    0 0 10px hsl(var(--cyber-green) / 0.4),
    0 0 20px hsl(var(--cyber-green) / 0.2),
    0 0 40px hsl(var(--cyber-green) / 0.1);
}
.chev{
  width: 20px; height: 20px;
  transition: transform .2s ease;
}
.btn:hover .chev,
.btn-outline:hover .chev{ transform: translateX(4px); }
/* Cards */
.cyber-card {
  background: hsl(var(--card));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--cyber-green)/0.2);
  box-shadow: inset 0 0 20px hsl(var(--cyber-green)/0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  padding: 20px;
}

.cyber-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 20px hsl(var(--cyber-green)/0.35),
    0 0 40px hsl(var(--cyber-green)/0.2);
}
/* Simple header (Layout replacement) */
header{
  position: relative;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(1px);
  background: hsl(var(--background) / 0.85);
  border-bottom: 1px solid hsl(var(--border) / 0.);
}

.scanline::after{ z-index: 1; pointer-events: none;}  /* scanline above background */
.hero-inner{ position: relative; z-index: 2; } /* content on top */
.nav{
  position: relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}
.brand{
  
  overflow: hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.brand img{
  max-width: 100%;  
  height: 40px;
}

.nav-links{
  display:flex;
  gap: 14px;
  align-items:center;
}
.nav-links a{
  color: hsl(var(--muted-foreground));
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background-color .2s ease, color .2s ease;
}
.nav-links a:hover{
  background: hsl(var(--secondary));
  color: hsl(var(--foreground));
}
/* hamburger base */
.nav-toggle{
  display:none;
  width: 44px;
  height: 44px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background) / 0.35);
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  position: relative;
  z-index: 60;
}
.nav-toggle span{
  display:block;
  width: 22px;
  height: 2px;
  background: hsl(var(--foreground));
  border-radius: 999px;
  transition: transform .2s ease, opacity .2s ease;
}

@media (max-width: 400px){
  .nav{
    position: relative;
    justify-content: center;   /* center logo */
  }

  /* logo centered */
  .brand{
    justify-content: center;
  }
  .brand img{
    height: 48px;
  }

  /* hamburger forced to top-right */
  .nav-toggle{
    display:flex;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  /* dropdown menu (full width) */
  .nav-links{
    display:none;
    position:absolute;
    z-index: 200;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    border: 1px solid hsl(var(--border));
    border-radius: 14px;
    background: hsl(var(--background) / 0.95);
    backdrop-filter: blur(8px);
    z-index: 50;
  }

  .nav.open .nav-links{
    display:flex;
  }

  .nav-links a{
    padding: 12px 12px;
    border-radius: 12px;
  }
}

/* hamburger -> X (optional) */
.nav.open .nav-toggle span:nth-child(1){ transform: translateY(8px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2){ opacity: 0; }
.nav.open .nav-toggle span:nth-child(3){ transform: translateY(-8px) rotate(-45deg); }

/* Hero */
.hero{
  min-height:90vh;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.hero-inner{
  text-align:center;
  padding: 40px 0 20px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid hsl(var(--primary) / 0.3);
  background: hsl(var(--primary) / 0.05);
  color: hsl(var(--primary));
  font-weight: 500;
  font-family: "Rajdhani";
}
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: hsl(var(--primary));
  animation: pulse 1.3s ease-in-out infinite;
}
.hero h1{
  margin: 14px auto 0;
  font-size: clamp(2.4rem, 4.5vw, 4.6rem);
  line-height: 1.05;
  font-weight: 900;
  max-width: 920px;
}
.hero p{
  margin: 18px auto 0;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  max-width: 760px;
}
.hero-actions{
  margin-top: 26px;
  display:flex;
  gap: 12px;
  justify-content:center;
  flex-wrap: wrap;
}
.hero-fade-bottom{
  position:absolute;
  left:0; right:0; bottom:0;
  height: 140px;
  background: linear-gradient(to top, hsl(var(--background)), transparent);
  pointer-events:none;
}
/* Stats */

@media (min-width: 900px){
  .stats-grid{ grid-template-columns: repeat(4, 1fr); gap: 18px; }
}
.stat{
  padding: 22px;
  text-align:center;
}
.stat-icon{
  width: 42px; height: 42px;
  color: hsl(var(--primary));
  margin: 0 auto 12px;
  transition: transform .25s ease;
}
.stat:hover .stat-icon{ transform: scale(1.1); }
.stat-value{
  font-size: 2.1rem;
  font-weight: 900;
  margin-bottom: 6px;
}
.stat-label{
  font-size: 1.15rem;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
}
/* Featured courses */
.section-title{
  text-align:center;
  margin-bottom: 44px;
}
.section-title h2{
  margin:0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 900;
}
.section-title p{
  margin: 12px auto;
  max-width: 720px;
  font-size: 1.25rem;
}

@media (min-width: 900px){
  .courses-grid{ grid-template-columns: repeat(3, 1fr); gap: 18px; }
}
.course{
  padding: 22px;
}
.course-icon-wrap{
  width: 56px; height: 56px;
  border-radius: 14px;
  background: hsl(var(--primary) / 0.10);
  display:grid;
  place-items:center;
  margin-bottom: 14px;
  transition: background-color .25s ease, box-shadow .25s ease;
}
.course:hover .course-icon-wrap{
  background: hsl(var(--primary) / 0.20);
  box-shadow:
    0 0 20px hsl(var(--cyber-green) / 0.35),
    0 0 40px hsl(var(--cyber-green) / 0.15);
}
.course-icon{
  width: 28px; height: 28px;
  color: hsl(var(--primary));
}
.pill{
  display:inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: hsl(var(--secondary));
  color: hsl(var(--primary));
  font-weight: 800;
  font-size: .95rem;
  margin-bottom: 10px;
}
.course h3{
  margin: 0 0 8px 0;
  font-size: 1.35rem;
  font-weight: 900;
  transition: color .2s ease;
}
.course:hover h3{ color: hsl(var(--primary)); }
.course p{
  margin:0;
  font-size: 1.1rem;
  color: hsl(var(--muted-foreground));
}
/* CTA */
.cta{
  padding: 28px;
  text-align:center;
  overflow:hidden;
}
.cta::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(90deg, hsl(var(--primary) / 0.06), transparent, hsl(var(--primary) / 0.06));
  pointer-events:none;
}
.cta-inner{ position: relative; z-index: 1; max-width: 860px; margin: 0 auto; }
.cta h2{
  margin: 0;
  font-size: clamp(1.55rem, 2.4vw, 2.1rem);
  font-weight: 900;
}
.cta p{
  margin: 12px auto 18px;
  max-width: 680px;
  font-size: 1.2rem;
  color: hsl(var(--muted-foreground));
}
/* Footer */
footer{
  padding: 26px 0 40px;
  color: hsl(var(--muted-foreground));
  border-top: 1px solid hsl(var(--border) / 0.6);
}
/* Animations */
/* Fade-in (JS-safe) */
.fade-in{
  opacity: 1;
  transform: none;
}

.js .fade-in{
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity .7s ease,
    transform .7s ease;
  transition-delay: var(--delay, 0ms);
}

.js .fade-in.in-view{
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse{
  0%,100%{ transform: scale(1); opacity: 1; }
  50%{ transform: scale(1.25); opacity: .65; }
}
/* Small tweaks */
.mt-10{ margin-top: 36px; }
.center{ text-align:center; }
/* courses */

.course-wrapper {
  display: flex;
  flex-direction: column; /* stack card and details vertically */
  height: 100%;        /* ensure full height */
}
.course-details {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s ease, opacity 0.3s ease, box-shadow 0.3s ease;
  margin-top: 0;
  padding: 0 16px;
  border-left: 2px solid hsl(var(--primary));
  background: hsl(var(--secondary) / 0.2); /* subtle card background */
  border-radius: 12px;
  box-shadow: 0 0 12px hsl(var(--primary) / 0.2);
}

.course-details.open {
  overflow: visible;
  max-height: 600px; /* enough for all content */
  opacity: 1;
  margin-top: 16px;
  padding: 12px 16px; /* add vertical padding when open */
}

.course-details ul {
  list-style: none; /* remove default bullets */
  padding-left: 0;
  margin: 12px 0 0 0;
}

.course-details ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: hsl(var(--foreground) / 0.9);
  transition: color 0.2s ease, transform 0.2s ease;
}

.course-details ul li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: hsl(var(--primary));
  font-weight: bold;
  text-shadow:
    0 0 4px hsl(var(--primary)),
    0 0 4px hsl(var(--primary) / 0.6);
}

.course-details ul li:hover {
  color: hsl(var(--primary));
  transform: translateX(4px);
}

.course-details button.btn {
  width: 100%;                /* full width */
  margin-top: 16px;           /* space from the list */
  padding: 14px 0;            /* taller button */
  background: hsl(var(--primary));
  color: hsl(var(--cyber-darker));
  font-weight: 700;
  font-size: 1rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  box-shadow:
    0 0 10px hsl(var(--primary) / 0.4),
    0 0 15px hsl(var(--primary) / 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.course-details button.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 0 25px hsl(var(--primary) / 0.5),
    0 0 35px hsl(var(--primary) / 0.25);
  background-color: hsl(var(--primary) / 0.95);
}
/* ===================== profile section ===================== */

.mhmd-pic{
width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid hsl(var(--primary));
    box-shadow:
    0 0 15px hsl(var(--cyber-green) / 0.4),
    0 0 30px hsl(var(--cyber-green) / 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
/* ===================== Skills Bars ===================== */
/* Dashboard Layout: Profile (Small) | Skills (Large) */
.dashboard-layout {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr; /* Stack on mobile */
    align-items: start;
}

@media (min-width: 992px) {
    .dashboard-layout {
        /* Profile takes 350px, Skills takes the rest of the screen */
        grid-template-columns: 400px 1fr; 
    }
}
.dashboard-layout > div{
  display: flex;
}
.dashboard-layout .cyber-card {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center; /* This centers the profile content vertically */
}
/* Ensure the skills grid items look good in a wide container */
#skillsGrid {
    display: grid;

}

/* Container Spacing */
.space-y-6 > * + * {
    margin-top: 1.5rem; /* Increased for better readability */
}

.skill-bar {
    display: flex;
    flex-direction: column;

}

.skill-label {
    display: flex;
    justify-content: space-between;
    align-items: flex-end; /* Aligns text to the bottom of the line */
    font-size: 1rem;       /* Slightly larger */
    margin-bottom: 6px;    /* More space before the thick bar */
    color: hsl(var(--foreground));
    text-transform: uppercase; /* Makes it look like a dashboard */
    letter-spacing: 1px;
}
.skill-label span:last-child {
  font-size: 1.5rem; /* Larger percentage */
  letter-spacing: normal;
  color: hsl(var(--primary)); /* Highlight the percentage */
}
.skill-bar-bg {
    width: 100%;
    /* Thicker height for a bolder look */
    height: 18px; 
    background: hsl(var(--secondary) / 0.5);
    border: 1px solid hsl(var(--border));
    border-radius: 8px; /* Slightly more squared for a tech feel */
    overflow: hidden;
    display: block;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

.skill-bar-fill {
    height: 100%;
    width: 0;
    /* Gradient remains, but we add a subtle stripe effect */
    background: linear-gradient(
        90deg, 
        hsl(var(--primary)), 
        #34d399
    );
    border-radius: 6px 0 0 6px;
    transition: width 1.5s cubic-bezier(0.1, 0.5, 0.5, 1);
    
    /* Subtle inner highlight to make it look 3D */
    box-shadow: 0 0 15px hsl(var(--primary) / 0.3);
}
/* Optional: Add a "Glossy" overlay to the thick bar */
.skill-bar-fill::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 50%;
        background: rgb(255 255 255 / 2%);
    pointer-events: none;
}

/* Optional: animate on in-view */
.js .skill-bar-fill {
  width: 0;
}
.js .skill-bar-fill.in-view {
  width: var(--skill-width); /* JS should set --skill-width inline or via class */
}

/* ===================== Experience Timeline ===================== */
#experienceTimeline {
    position: relative;
    padding: 40px 0;
}

/* THE LINE: Controlled by one source of truth */
#experienceTimeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: hsl(var(--primary) / 0.2);
    left: 7px; /* Mobile Position */
}

@media (min-width: 768px) {
    #experienceTimeline::before {
        left: 50%; /* Desktop Position */
        transform: translateX(-50%);
    }
}

/* THE DOT: Absolute positioned to stay ON the line */
.timeline-dot {
    position: absolute;
    left: 7px;
    top: 24px;
    width: 16px;
    height: 16px;
    background: hsl(var(--primary));
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px hsl(var(--primary));
    z-index: 10;
}

@media (min-width: 768px) {
    .timeline-dot {
        left: 50%; /* Moves to center on desktop */
    }
}

/* THE ITEM WRAPPER: This is the Flexbox container */
.experience-item {
    display: flex;
    position: relative;
    margin-bottom: 40px;
    width: 100%;
}

/* THE CARD CONTAINER */
.experience-item-container {
    width: 100%;
    padding-left: 35px; /* Space for line/dot on mobile */
}

@media (min-width: 768px) {
    .experience-item {
        justify-content: space-between;
        align-items: center;
    }

    /* Target even items to flip them to the left */
    .experience-item:nth-child(even) {
        flex-direction: row-reverse;
    }

    .experience-item-container {
        width: 45%; /* Limits card width to slightly less than half */
        padding-left: 0;
    }

    /* Align text toward the center line */
    .experience-item:nth-child(even) .experience-card {
        text-align: right;
    }
}

/* Pushes the card away from the center line so it doesn't touch the dot */
.experience-card {
    position: relative;
}
/* ===================== Certifications ===================== */
#certGrid {
    display: grid;
    /* This automatically adds as many 250px boxes as fit in the row */
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    width: 100%;
}


#certGrid .cyber-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 4px;
}

#certGrid .cyber-card p {
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
}