@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #F8FAFC;
  --bg-gradient: radial-gradient(ellipse 80% 60% at 50% -15%, rgba(37, 99, 235, 0.07), transparent);
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-bg-elevated: #FFFFFF;
  --card-bg-hover: #FFFFFF;
  --card-border: rgba(226, 232, 240, 0.9);
  --card-border-hover: rgba(59, 130, 246, 0.4);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 36px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 18px 42px -6px rgba(37, 99, 235, 0.12), 0 6px 16px -3px rgba(15, 23, 42, 0.04);
  
  --text: #0F172A;
  --text-muted: #475569;
  --text-dim: #64748B;
  --text-light: #94A3B8;
  
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-light: #EFF6FF;
  --accent-emerald: #10B981;
  --accent-indigo: #4F46E5;
  
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(224, 242, 254, 0.6) 0px, transparent 45%),
    radial-gradient(at 100% 30%, rgba(238, 242, 255, 0.5) 0px, transparent 45%),
    radial-gradient(at 50% 100%, rgba(241, 245, 249, 0.8) 0px, transparent 50%),
    var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding: 40px 20px 80px;
  min-height: 100vh;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
}

/* Floating Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #0F172A;
  border: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
  transition: var(--transition);
}

.nav-brand:hover .nav-logo-box {
  transform: scale(1.04);
}

.nav-logo-box svg {
  width: 22px;
  height: 22px;
}

.nav-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-admin {
  background: rgba(241, 245, 249, 0.8);
  border: 1px solid var(--card-border);
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-admin:hover {
  background: #FFFFFF;
  border-color: rgba(37, 99, 235, 0.3);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* Base Card System */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 40px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-lg);
}

/* Hero Section */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ECFDF5;
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: #047857;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 8px;
  line-height: 1.15;
  color: var(--text);
}

.hero-role {
  font-size: 19px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.bio-paragraph {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn-primary {
  background: #0F172A;
  color: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.9);
  padding: 12px 24px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
  transform: translateY(-2px);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text);
  border: 1px solid var(--card-border);
  padding: 12px 20px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Section Headers */
.section-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skill-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.skill-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.skill-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono);
}

.icon-php {
  background: #EEF2FF;
  color: #4F46E5;
  border: 1px solid #E0E7FF;
}

.icon-js {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FEF3C7;
}

.icon-frontend {
  background: #F0FDF4;
  color: #16A34A;
  border: 1px solid #DCFCE7;
}

.icon-seo {
  background: #ECFEFF;
  color: #0891B2;
  border: 1px solid #CFFAFE;
}

.skill-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.skill-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Languages List */
.languages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.language-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.language-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.lang-info {
  display: flex;
  flex-direction: column;
}

.lang-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.lang-native {
  font-size: 12.5px;
  color: var(--text-dim);
  margin-top: 3px;
}

.lang-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-native {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.badge-fluent {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

/* Contact Box */
.contact-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 16px;
}

.contact-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.contact-email {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.01em;
  font-family: var(--font-mono);
  transition: var(--transition);
}

.contact-email:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #0F172A;
  color: #FFFFFF;
  padding: 14px 22px;
  border-radius: 14px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.25);
  display: none;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 48px;
  padding: 0 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-link {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--accent);
}

@media (max-width: 1040px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .languages-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    padding: 24px 16px 60px;
  }
  h1 {
    font-size: 32px;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 24px;
  }
  .contact-box {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}