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

:root {
  --bg:           #050507;
  --bg-light:     #0c0c12;
  --accent:       #00e5ff;
  --accent-dark:  #00b8d4;
  --text:         #ffffff;
  --text-dim:     #94a3b8;
  --glass:        rgba(255,255,255,0.04);
  --glass-strong: rgba(255,255,255,0.08);
  --border:       rgba(255,255,255,0.08);
  --shadow:       0 10px 40px rgba(0,0,0,0.45);
  --transition:   all 0.45s cubic-bezier(0.23,1,0.32,1);
  --font-head:    "Syne", sans-serif;
  --font-main:    "Plus Jakarta Sans", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-dim);
  font-family: var(--font-main);
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at top left,    rgba(0,229,255,0.12), transparent 35%),
    radial-gradient(circle at bottom right, rgba(0,229,255,0.08), transparent 30%);
  z-index: -1;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 25px;
}

.section-padding { padding: 130px 0; }

.accent-text {
  color: var(--accent);
  text-shadow: 0 0 35px rgba(0,229,255,0.25);
}

.highlight {
  color: var(--accent);
  font-weight: 700;
}

#navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 999;
  padding: 22px 0;
  background: rgba(5,5,7,0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-family: var(--font-head);
  font-size: 2.1rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -1px;
}
.logo .accent { color: var(--accent); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -8px;
  width: 0; height: 2px;
  border-radius: 20px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
}

.lang-btn {
  width: 42px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.4);
  font-weight: 800;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

.lang-btn:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
}

.lang-btn.active {
  background: var(--accent) !important;
  color: #000 !important;
  box-shadow: 0 0 15px rgba(0,229,255,0.5);
}

.nav-btn {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 12px 26px;
  border: 1px solid var(--accent);
  border-radius: 50px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-btn:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,229,255,0.25);
}

.btn {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.97rem;
  padding: 18px 36px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #000;
  box-shadow: 0 12px 30px rgba(0,229,255,0.18);
}
.btn-primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(0,229,255,0.25);
}

.btn-secondary {
  background: var(--glass);
  border: 1px solid var(--border);
  color: #fff;
}
.btn-secondary:hover {
  background: var(--glass-strong);
  border-color: var(--accent);
  transform: translateY(-5px);
}

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
}

.hero-content { max-width: 760px; }

.hero-badge {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 50px;
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.2);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 25px;
}

#hero h1 {
  font-size: clamp(4rem, 9vw, 7rem);
  line-height: 0.92;
  font-family: var(--font-head);
  color: #fff;
  margin-bottom: 30px;
}

.hero-description {
  max-width: 680px;
  font-size: 1.15rem;
  margin-bottom: 45px;
  color: var(--text-dim);
}

.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-photo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo-glow {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 90%;
  aspect-ratio: 1 / 1;
  max-width: 420px;
  background: radial-gradient(circle, rgba(0,229,255,0.35), transparent 70%);
  filter: blur(50px);
  z-index: 0;
  animation: heroGlowPulse 5s ease-in-out infinite;
}

@keyframes heroGlowPulse {
  0%, 100% { opacity: 0.65; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.06); }
}

.hero-photo-ring {
  position: relative;
  z-index: 1;
  width: min(80%, 400px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  padding: 6px;
  background: conic-gradient(from 180deg, var(--accent), transparent 35%, transparent 65%, var(--accent));
  box-shadow: 0 25px 60px rgba(0,0,0,0.55);
  animation: heroRingSpin 12s linear infinite;
}

@keyframes heroRingSpin {
  to { transform: rotate(360deg); }
}

.hero-photo-ring::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--bg);
  z-index: 0;
}

.hero-photo {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--bg);
  animation: heroRingSpinReverse 12s linear infinite;
}

@keyframes heroRingSpinReverse {
  to { transform: rotate(-360deg); }
}

.section-title {
  font-size: 3.5rem;
  color: #fff;
  font-family: var(--font-head);
  text-align: left;
  margin-bottom: 60px;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 80px; height: 4px;
  border-radius: 20px;
  background: var(--accent);
}

.glass-card {
  background: #0c0c0e;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 40px;
  padding: 50px;
  backdrop-filter: blur(14px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), transparent 40%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,229,255,0.25);
  box-shadow: 0 20px 50px rgba(0,0,0,0.55), 0 0 40px rgba(0,229,255,0.08);
}

.glass-card h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 25px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  align-items: stretch;
}

.about-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.about-line {
  width: 4px;
  height: 28px;
  background: var(--accent);
  border-radius: 4px;
  flex-shrink: 0;
}

.about-header h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 0;
}

.about-p { margin-bottom: 16px; }

.about-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.skills-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.skill-pill {
  background: rgba(0,229,255,0.05);
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  cursor: default;
}

.skill-pill:hover {
  background: rgba(0,229,255,0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,229,255,0.3);
  color: #fff;
}

.edu-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.edu-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 35px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00e5ff 0%, #3a7bd5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(0,229,255,0.4);
}

.edu-header h3 {
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 0;
  font-weight: 600;
}

.edu-content {
  position: relative;
  padding-left: 25px;
  display: flex;
  flex-direction: column;
  gap: 35px;
  flex-grow: 1;
}

.edu-content::before {
  content: "";
  position: absolute;
  left: 4px; top: 5px; bottom: 5px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(0,229,255,0.6), rgba(0,229,255,0.1));
  border-radius: 2px;
}

.edu-item { position: relative; }

.edu-item::before {
  content: "";
  position: absolute;
  left: -26px; top: 5px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #0d1117;
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px rgba(0,229,255,0.5);
  z-index: 2;
}

.edu-place {
  font-size: 1.15rem;
  color: #fff;
  margin: 0 0 6px 0;
  font-weight: 500;
}

.edu-year {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.edu-status.active {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,229,255,0.08);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0,229,255,0.25);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: 0 0 10px rgba(0,229,255,0.15);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 28px;
}

.skill-icon-box {
  width: 50px;
  height: 50px;
  background: rgba(0,229,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.skill-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0;
}


.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: #111114;
  border: 1px solid rgba(255,255,255,0.08);
  color: #fff;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: default;
  transition: all 0.3s ease;
}

.tag:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,229,255,0.3);
  border-color: var(--accent);
}


.lang-list {
  list-style: none;
}

.lang-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.lang-name {
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lang-progress-bg {
  height: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  overflow: hidden;
}

.lang-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  border-radius: 10px;
}

.lang-lvl {
  color: var(--accent);
  font-weight: 800;
  font-size: 0.85rem;
  text-align: right;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.project-card {
  display: flex;
  flex-direction: column;
}

.project-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: rgba(0,229,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.7rem;
  margin-bottom: 22px;
}

.project-card h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.project-card p {
  margin-bottom: 24px;
  flex-grow: 1;
}

.project-bottom {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.project-techs {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.project-links {
  display: flex;
  gap: 12px;
}

.project-links a {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  transition: var(--transition);
}

.project-links a:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-4px);
  border-color: var(--accent);
}

.footer {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-title {
  font-size: 2.5rem;
  color: #fff;
  font-family: var(--font-head);
  margin-bottom: 16px;
}

.footer-subtitle {
  max-width: 650px;
  margin: 0 auto 50px;
  font-size: 1.05rem;
}

.contact-methods {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 22px;
  border-radius: 16px;
  text-decoration: none;
  color: #fff;
  background: var(--glass);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  color: var(--accent);
}

.copyright {
  opacity: 0.5;
  font-size: 0.88rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

.fade-in.delay-1.visible { transition-delay: 0.15s; }
.fade-in.delay-2.visible { transition-delay: 0.3s; }


@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav-right { gap: 15px; }

  .section-title { font-size: 2.8rem; }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content { max-width: 100%; }

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

  .hero-photo-wrap { order: -1; margin-bottom: 10px; }

  .hero-photo-ring { width: min(60%, 280px); }
}

@media (max-width: 768px) {

  #navbar { padding: 14px 0; }

  .logo { font-size: 1.6rem; }

  .nav-links { display: none; }

  .nav-right { gap: 10px; }

  .nav-btn {
    padding: 9px 16px;
    font-size: 0.82rem;
  }

  .lang-btn {
    width: 36px;
    height: 34px;
    font-size: 0.75rem;
  }

  .language-switcher {
    padding: 4px;
    gap: 3px;
  }

  #hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 70px;
  }

  #hero h1 {
    font-size: clamp(2.8rem, 10vw, 4rem);
    line-height: 1;
  }

  .hero-description { font-size: 1rem; }

  .hero-actions {
    flex-direction: column;
    gap: 14px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 16px 20px;
  }

  .hero-photo-ring { width: min(55%, 220px); }

  .section-padding { padding: 80px 0; }
  .section-title {
    font-size: 2.2rem;
    margin-bottom: 40px;
  }

  .glass-card {
    padding: 28px 22px;
    border-radius: 26px;
  }

  .about-grid,
  .skills-grid,
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .contact-methods {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .contact-item { justify-content: center; }

  .footer-title { font-size: 1.9rem; }

  .lang-list li {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  #hero h1 { font-size: clamp(2.3rem, 9vw, 3rem); }

  .hero-photo-ring { width: min(65%, 200px); }

  .glass-card {
    padding: 22px 16px;
    border-radius: 20px;
  }

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

  .logo { font-size: 1.4rem; }

  .nav-btn {
    padding: 8px 13px;
    font-size: 0.76rem;
  }

  .lang-list li {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
  }

  .footer { padding: 60px 0; }
}