/* ═══ DESIGN SYSTEM ═══ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #0A0A0B;
  --surface: #111113;
  --surface-hover: #161618;
  --border: #27272A;
  --border-hover: #3F3F46;
  --text: #F5F5F7;
  --text-dim: #A1A1AA;
  --text-muted: #71717A;
  --accent: #D4A85A;
  --accent-hover: #E6BC73;
  --accent-soft: rgba(212, 168, 90, 0.08);

  --font: 'Inter', -apple-system, system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ═══ BACKGROUND EFFECTS ═══ */
.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% -10%, var(--accent-soft) 0%, transparent 50%);
}

.noise-layer,
#particles-canvas {
  display: none;
}

/* ═══ SCROLL PROGRESS ═══ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  z-index: 1000;
  background: var(--accent);
  width: 0%;
  transition: width 0.1s linear;
}

/* ═══ NAVIGATION ═══ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 1.25rem 0;
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 11, 0.85);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo .logo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-cta {
  background: var(--text) !important;
  color: var(--bg) !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-sm) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 1.2rem;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  z-index: 499;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dim);
  text-decoration: none;
}

.mobile-menu a:hover {
  color: var(--text);
}

/* ═══ MAIN WRAPPER ═══ */
.main-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

section {
  padding: 8rem 0;
}

/* ═══ HERO ═══ */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 200px;
  margin-bottom: 2.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: fit-content;
}

.hero-badge .badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.hero h1 {
  font-size: clamp(3.5rem, 9vw, 6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero h1 .gradient-text {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-dim);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 3rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 4rem;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.stat-item .stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  display: block;
  line-height: 1;
}

.stat-item .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ═══ SECTION HEADERS ═══ */
.section-label {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 600px;
  margin-bottom: 4rem;
  line-height: 1.6;
}

/* ═══ CARDS GENERAL ═══ */
.card-base {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}

.card-base:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-4px);
}

/* ═══ ABOUT ═══ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-text p strong {
  color: var(--text);
  font-weight: 600;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.highlight-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all 0.3s var(--ease);
}

.highlight-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.highlight-icon,
.card-icon,
.c-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  color: var(--accent);
  flex-shrink: 0;
  transition: all 0.3s;
}

.highlight-icon i,
.card-icon i,
.c-icon i {
  width: 1.25rem;
  height: 1.25rem;
}

.highlight-card:hover .highlight-icon,
.skill-card:hover .card-icon,
.contact-item:hover .c-icon {
  border-color: rgba(212, 168, 90, 0.3);
  background: rgba(212, 168, 90, 0.05);
  box-shadow: 0 0 15px rgba(212, 168, 90, 0.1);
}

.highlight-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.highlight-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* ═══ SKILLS ═══ */
.skills-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all 0.3s var(--ease);
}

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.skill-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.25rem;
}

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

.skill-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  transition: all 0.2s;
}

.skill-card:hover .skill-tag {
  border-color: var(--border-hover);
  color: var(--text);
}

/* ═══ PROJECTS ═══ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s var(--ease);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
}

.project-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.project-card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.proj-status {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* ═══ CERTIFICATIONS ═══ */
.cert-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  transition: all 0.3s var(--ease);
}

.cert-card:hover {
  border-color: var(--border-hover);
  transform: translateX(8px);
}

.cert-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.cert-info .cert-issuer {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cert-info .cert-issuer span {
  color: var(--accent);
}

.cert-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cert-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ═══ CONTACT ═══ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
  text-decoration: none;
}

.contact-item:hover {
  border-color: var(--border-hover);
  transform: translateX(8px);
}

.contact-item .c-details h4 {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.contact-item .c-details p {
  font-size: 0.95rem;
  color: var(--text);
}

.contact-cta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
}

.contact-cta h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-cta p {
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* ═══ FOOTER ═══ */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text);
}

/* ═══ ADVANCED ANIMATIONS ═══ */
.reveal-el {
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
  will-change: opacity, transform;
}

.reveal-el.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Staggered Entrance */
.stagger-children > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.35s; }

/* Spotlight Effect Base */
.skill-card, .project-card, .highlight-card, .contact-item {
  position: relative;
  overflow: hidden;
}

.skill-card::before, .project-card::before, .highlight-card::before, .contact-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(212, 168, 90, 0.06),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
  z-index: 1;
}

.skill-card:hover::before, .project-card:hover::before, .highlight-card:hover::before, .contact-item:hover::before {
  opacity: 1;
}

/* Text Shimmer Effect */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.hero h1 .gradient-text {
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    #FFF 20%,
    var(--accent) 40%,
    var(--accent) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 8s linear infinite;
}

/* Background Parallax */
@keyframes meshDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(2%, 2%) scale(1.05); }
  66% { transform: translate(-1%, 3%) scale(0.95); }
}

.mesh-bg {
  animation: meshDrift 20s ease-in-out infinite;
}

/* Enhanced CTA */
.nav-cta {
  background: var(--text) !important; color: var(--bg) !important;
  font-weight: 600 !important; font-size: 0.8rem !important;
  padding: 0.5rem 1.25rem !important; border-radius: var(--radius-sm) !important;
  display: inline-flex !important; align-items: center !important; gap: 0.5rem !important;
  position: relative; overflow: hidden;
}

.nav-cta::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: none;
}

.nav-cta:hover::after {
  left: 200%;
  transition: all 0.6s var(--ease);
}

/* Smooth Link Underline */
.nav-links a { position: relative; }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 1rem; right: 1rem; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  transform-origin: right;
}
.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

@media (max-width: 1000px) {

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .skills-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  section {
    padding: 5rem 0;
  }

  .hero h1 {
    font-size: 3.5rem;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .cert-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  @media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
      animation-delay: -1ms !important;
      animation-duration: 1ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }

    html {
      scroll-behavior: auto;
    }

    .reveal-el {
      opacity: 1 !important;
      transform: none !important;
    }
  }
}