@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Outfit:wght@300;400;500;600;700&display=swap');

/* --- System Variables --- */
:root {
  --bg-primary: #04080f;
  --bg-secondary: #080f1e;
  --bg-terminal: #020408;
  --card-bg: rgba(8, 15, 30, 0.6);
  --card-border: rgba(0, 255, 102, 0.15);
  --card-border-hover: rgba(0, 255, 102, 0.45);
  --clr-green: #00ff66;
  --clr-cyan: #00f0ff;
  --clr-pink: #ff0055;
  --clr-yellow: #ffcc00;
  --text-primary: #e2e8f0;
  --text-muted: #8892b0;
  --text-bright: #ffffff;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  --font-sans: 'Outfit', 'Inter', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --glow-green: 0 0 10px rgba(0, 255, 102, 0.3), 0 0 20px rgba(0, 255, 102, 0.1);
  --glow-green-strong: 0 0 15px rgba(0, 255, 102, 0.6), 0 0 30px rgba(0, 255, 102, 0.3);
  --glow-cyan: 0 0 10px rgba(0, 240, 255, 0.3), 0 0 20px rgba(0, 240, 255, 0.1);
}

/* --- Base Reset & Scrollbar --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 102, 0.2);
  border-radius: 4px;
  border: 1px solid rgba(0, 255, 102, 0.1);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-green);
  box-shadow: var(--glow-green);
}

/* --- Matrix Canvas --- */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  opacity: 0.12;
  pointer-events: none;
}

/* --- Background Grid Pattern --- */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 102, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 102, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -2;
  pointer-events: none;
}

/* Scanline Effect */
body::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 9999;
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
  opacity: 0.4;
}

/* --- Layout & Structure --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  position: sticky;
  top: 0;
  background-color: rgba(4, 8, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 255, 102, 0.1);
  z-index: 100;
  padding: 1.2rem 0;
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-shadow: var(--glow-green);
}

.logo span {
  color: var(--text-bright);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--clr-green);
  text-shadow: var(--glow-green);
}

.nav-links a::before {
  content: "// ";
  color: var(--clr-green);
  opacity: 0.5;
  transition: var(--transition-fast);
  display: inline-block;
}

.nav-links a:hover::before, .nav-links a.active::before {
  content: "> ";
  color: var(--clr-green);
  opacity: 1;
  text-shadow: var(--glow-green);
}

@media (max-width: 1100px) {
  .nav-links {
    gap: 1rem;
  }
  .nav-links a {
    font-size: 0.8rem;
  }
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--clr-green);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- Hero Section & Terminal Mockup --- */
.hero {
  padding: 5rem 0 3rem 0;
  min-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-bright);
}

.hero-text h1 span {
  color: var(--clr-green);
  text-shadow: var(--glow-green);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  border-left: 3px solid var(--clr-cyan);
  padding-left: 1rem;
}

.cta-group {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-primary {
  background-color: rgba(0, 255, 102, 0.1);
  color: var(--clr-green);
  border: 1px solid var(--clr-green);
  box-shadow: var(--glow-green);
}

.btn-primary:hover {
  background-color: var(--clr-green);
  color: var(--bg-primary);
  box-shadow: var(--glow-green-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--clr-cyan);
  border: 1px solid var(--clr-cyan);
  box-shadow: var(--glow-cyan);
}

.btn-secondary:hover {
  background-color: rgba(0, 240, 255, 0.1);
  transform: translateY(-2px);
}

/* Cyber Terminal Window */
.terminal-window {
  background-color: var(--bg-terminal);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), var(--glow-green);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  width: 100%;
}

.terminal-header {
  background-color: rgba(13, 20, 35, 0.9);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 255, 102, 0.1);
}

.terminal-buttons {
  display: flex;
  gap: 0.5rem;
}

.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.t-red { background-color: var(--clr-pink); }
.t-yellow { background-color: var(--clr-yellow); }
.t-green { background-color: var(--clr-green); }

.terminal-title {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.terminal-body {
  padding: 1.5rem;
  height: 350px;
  overflow-y: auto;
  color: #a6da95;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.terminal-body .command-line {
  color: var(--text-bright);
}

.terminal-body .command-line::before {
  content: "visitor@hamza-jabri:~$ ";
  color: var(--clr-green);
}

.terminal-body .response-line {
  color: var(--text-muted);
  padding-left: 1rem;
  white-space: pre-wrap;
}

.terminal-body .highlight {
  color: var(--clr-cyan);
}

.terminal-body .success {
  color: var(--clr-green);
}

/* Typwriter animation styling */
.cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--clr-green);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  from, to { background-color: transparent }
  50% { background-color: var(--clr-green) }
}

/* --- Section Layouts --- */
.section {
  padding: 6rem 0;
  border-bottom: 1px solid rgba(0, 255, 102, 0.05);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-number {
  font-family: var(--font-mono);
  color: var(--clr-green);
  font-size: 1rem;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-title::after {
  content: "";
  display: block;
  height: 1px;
  flex-grow: 1;
  background: linear-gradient(90deg, rgba(0, 255, 102, 0.3), transparent);
}

/* --- About/Presentation Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-text p span {
  color: var(--text-bright);
  font-weight: 500;
}

.about-highlight {
  border-left: 2px solid var(--clr-green);
  padding-left: 1.5rem;
  font-style: italic;
  color: var(--clr-green);
}

.system-status-box {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.status-header {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--clr-green);
  border-bottom: 1px solid rgba(0, 255, 102, 0.1);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--clr-green);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--clr-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 15px var(--clr-green); }
  100% { transform: scale(0.9); opacity: 0.5; }
}

.status-list {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.status-item {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 0.4rem;
}

.status-label {
  color: var(--text-muted);
}

.status-value {
  color: var(--text-bright);
}

.status-value.online {
  color: var(--clr-green);
}

/* Skills progress visual styling */
.skill-bar-container {
  margin-top: 1.5rem;
}

.skill-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.skill-bar-bg {
  height: 6px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-green), var(--clr-cyan));
  box-shadow: var(--glow-green);
  width: 0; /* Animated in JS */
  transition: width 1.5s cubic-bezier(0.1, 0.8, 0.2, 1);
}

/* --- Projects Cards Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 2rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-green), var(--clr-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--card-border-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), var(--glow-green);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-icon {
  font-size: 2.25rem;
  color: var(--clr-green);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
}

.project-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--clr-green);
  fill: none;
  stroke-width: 1.5;
  filter: drop-shadow(0 0 5px rgba(0, 255, 102, 0.4));
}

.project-card h3 {
  font-size: 1.4rem;
  color: var(--text-bright);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Expandable content for details, learning, etc. */
.project-details {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1rem;
  margin-top: auto;
  font-size: 0.85rem;
}

.detail-item {
  margin-bottom: 0.5rem;
}

.detail-label {
  font-family: var(--font-mono);
  color: var(--clr-cyan);
}

.detail-value {
  color: var(--text-primary);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-green);
  background-color: rgba(0, 255, 102, 0.06);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 255, 102, 0.15);
}

/* --- Other Projects Section --- */
.other-projects-title {
  margin-top: 6rem;
  margin-bottom: 2.5rem;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.other-projects-title::before {
  content: "// ";
  color: var(--clr-cyan);
  font-family: var(--font-mono);
}

.other-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.other-card {
  background-color: rgba(8, 15, 30, 0.4);
  border: 1px solid rgba(0, 240, 255, 0.1);
  border-radius: 6px;
  padding: 1.75rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.other-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), var(--glow-cyan);
  transform: translateY(-3px);
}

.other-card h4 {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--clr-cyan);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.other-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.other-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-cyan {
  color: var(--clr-cyan);
  background-color: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.15);
}

/* --- Interactive Shell / Console (Bottom Widget) --- */
.console-section {
  padding-bottom: 8rem;
}

.console-wrapper {
  background-color: var(--bg-terminal);
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: 8px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.8), var(--glow-green);
  overflow: hidden;
}

.console-topbar {
  background-color: rgba(8, 15, 30, 0.9);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 255, 102, 0.15);
}

.console-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--clr-green);
}

.console-area {
  padding: 1.5rem;
  height: 400px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: #020407;
  color: #d1d5db;
}

.console-line {
  line-height: 1.5;
  white-space: pre-wrap;
}

.console-output-text {
  color: var(--text-muted);
}

.console-output-green {
  color: var(--clr-green);
}

.console-output-cyan {
  color: var(--clr-cyan);
}

.console-output-error {
  color: var(--clr-pink);
}

.console-input-row {
  display: flex;
  align-items: center;
  color: var(--clr-green);
}

.console-prompt-text {
  margin-right: 0.5rem;
  white-space: nowrap;
}

.console-input {
  background: none;
  border: none;
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  width: 100%;
  outline: none;
}

/* --- Footer --- */
footer {
  background-color: #020408;
  border-top: 1px solid rgba(0, 255, 102, 0.1);
  padding: 2rem 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-status {
  color: var(--clr-green);
  margin-bottom: 0.5rem;
  text-shadow: var(--glow-green);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* --- Responsive styling adjustments --- */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-text h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  header {
    padding: 1rem 0;
  }
  .menu-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    padding-top: 3rem;
    gap: 2.5rem;
    transition: var(--transition-normal);
    border-top: 1px solid rgba(0, 255, 102, 0.1);
  }
  .nav-links.open {
    left: 0;
  }
  .nav-links a {
    font-size: 1.1rem;
  }
  .hero {
    padding: 3rem 0;
  }
  .cta-group {
    flex-direction: column;
    gap: 1rem;
  }
  .section {
    padding: 4rem 0;
  }
}

/* --- Custom Hacker Modal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(2, 4, 8, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--bg-terminal);
  border: 1px solid var(--clr-green);
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--glow-green-strong);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.show .modal-box {
  transform: scale(1);
}

.modal-header {
  background-color: rgba(13, 20, 35, 0.95);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 255, 102, 0.2);
}

.modal-title {
  color: var(--clr-green);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-shadow: var(--glow-green);
}

.modal-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.modal-icon {
  font-size: 3rem;
  color: var(--clr-green);
  text-shadow: var(--glow-green-strong);
  animation: modalPulse 2s infinite;
}

@keyframes modalPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); text-shadow: 0 0 25px rgba(0,255,102,0.8); }
  100% { transform: scale(1); }
}

.modal-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-bright);
}

#modal-ok-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
}