/* 
  Collins Munufie - Premium Portfolio Styles
  Refined to match user-provided design reference.
*/

:root {
  /* Color Palette - Vibrant & Deep */
  --primary: #00d9ff;
  --primary-glow: rgba(0, 217, 255, 0.3);
  --secondary: #7c3aed;
  --secondary-glow: rgba(124, 58, 237, 0.2);

  /* Backgrounds - Ultra Dark */
  --bg-deep: #050816;
  --bg-card: rgba(22, 27, 51, 0.4);
  --bg-card-hover: rgba(30, 41, 71, 0.6);
  --bg-glass: rgba(5, 8, 22, 0.85);

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #718096;

  /* Effects */
  --border: rgba(0, 217, 255, 0.1);
  --border-hover: rgba(0, 217, 255, 0.3);
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --radius: 12px;
}

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

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: "Outfit", sans-serif;
}

/* Decorative Orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
}

.burger {
  display: none;
  cursor: pointer;
  z-index: 1001;
}

.burger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
}

.burger.toggle .line1 {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.burger.toggle .line2 {
  opacity: 0;
}

.burger.toggle .line3 {
  transform: rotate(45deg) translate(-5px, -6px);
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary-glow);
  top: -200px;
  left: -200px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: var(--secondary-glow);
  bottom: -100px;
  right: -100px;
}

/* Navigation - Floating Glassmorphism */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
}

nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

nav .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 80px 2rem 40px;
  text-align: center;
  position: relative;
}

.profile-header-main {
  display: flex;
  align-items: center;
  gap: 3rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 3rem;
  border-radius: 30px;
  border: 1px solid var(--border);
  max-width: 1000px;
  text-align: left;
  backdrop-filter: blur(10px);
}

.github-avatar-hero {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 3px solid var(--primary);
  box-shadow: 0 0 30px var(--primary-glow);
  flex-shrink: 0;
}

.profile-info-hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff, #a0aec0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.profile-info-hero .tagline {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.cta-button.secondary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  box-shadow: none;
}

.cta-button.secondary:hover {
  background: var(--primary);
  color: var(--bg-deep);
}

.tagline {
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 2.5rem;
}

.cta-button {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: var(--primary);
  color: var(--bg-deep);
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 10px 30px var(--primary-glow);
  transition: var(--transition);
}

.cta-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px var(--primary-glow);
}

/* Sections Global */
section {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 2rem;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 4rem;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.skill-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.skill-item:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
}

.skill-item i {
  font-size: 1.5rem;
  color: var(--primary);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-10px);
}

.project-image {
  height: 200px;
  background: linear-gradient(
    135deg,
    rgba(0, 217, 255, 0.1),
    rgba(124, 58, 237, 0.1)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--primary);
}

.project-content {
  padding: 2rem;
  flex-grow: 1;
}

.project-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--primary);
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* GitHub Activity */
.github-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
}

.github-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.stat-card {
  text-align: center;
}

.stat-icon {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.github-profile {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding-top: 3rem;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 2rem;
  border-radius: 20px;
}

.github-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.github-profile-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1rem;
  padding: 0.6rem 1.5rem;
  background: var(--primary);
  color: var(--bg-deep);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
}

.repos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.activity-feed-container {
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.activity-feed-container h4 {
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 10px var(--primary-glow);
}

.live-dot::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: inherit;
  animation: livePulse 2s infinite;
}

@keyframes livePulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.activity-item {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.2rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: var(--transition);
}

.activity-item:hover {
  border-color: var(--primary);
  transform: translateX(5px);
}

.activity-icon {
  font-size: 1.2rem;
  color: var(--primary);
  width: 30px;
  text-align: center;
}

.activity-details p {
  font-size: 0.95rem;
  color: white;
  margin-bottom: 0.2rem;
}

.activity-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.repo-card {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: var(--transition);
  text-decoration: none;
  display: block;
  color: inherit;
}

.repo-card:hover {
  border-color: var(--primary);
  transform: scale(1.02);
}

.repo-card h5 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.repo-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.repo-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.chart-container {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  transition: var(--transition);
}

.cert-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
}

.cert-icon {
  font-size: 3.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Blog Posts */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
}

.blog-image {
  height: 180px;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--secondary);
}

.blog-content {
  padding: 1.5rem;
}

.blog-date {
  color: var(--primary);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
}

.contact-form {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.submit-btn {
  width: 100%;
  background: var(--primary);
  color: var(--bg-deep);
  padding: 1.1rem;
  border-radius: var(--radius);
  border: none;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.submit-btn:hover {
  transform: translateY(-3px);
  background: #fff;
  box-shadow: 0 10px 25px var(--primary-glow);
}

.submit-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem;
  color: white;
  font-family: inherit;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.whatsapp-btn {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.5rem 1.2rem;
  background: #25d366;
  color: white;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.whatsapp-btn:hover {
  transform: scale(1.05);
  background: #128c7e;
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
}

.social-link {
  width: 45px;
  height: 45px;
  background: var(--bg-card);
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  color: var(--bg-deep);
  border-color: var(--primary);
}

/* Animation Classes */
.hidden-section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  text-align: center;
  padding: 4rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Refinement */
@media (max-width: 968px) {
  .about-content,
  .contact-container,
  .charts-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .github-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .hero h1 {
    font-size: 2.8rem;
  }
  .hero .tagline {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    right: 0;
    top: 0;
    height: 100vh;
    width: 70%;
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.5s ease-in-out;
    z-index: 1000;
    border-left: 1px solid var(--border);
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .burger {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .profile-header-main {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
    gap: 1.5rem;
  }

  .profile-info-hero .tagline {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .about-content {
    gap: 2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  section {
    padding: 0 1.5rem;
  }

  .github-stats {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* Success Modal Overlay */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal.active {
  display: flex;
}

.modal-content-success {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 4rem 2rem;
  border-radius: 30px;
  text-align: center;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  animation: modalIn 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes modalIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.success-icon {
  font-size: 5rem;
  color: var(--primary);
  margin-bottom: 2rem;
  animation: iconBounce 1s infinite alternate;
}

@keyframes iconBounce {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-10px);
  }
}

.modal-content-success h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
}

.modal-content-success p {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}