:root {
  --bg-dark: #000000;
  --bg-dark-alt: #030303;
  --bg-accent: black;
  --card-bg: rgba(255,255,255,0.05);
  --primary1: #14b8a6;
  --primary2: #37cfc0;
  --primary3: #7ae8dd;
  --text-light: #eafffb;
  --text: #e6f7f4;
  --muted: #9fb4b0;
  --radius: 14px;
  --glass-bg: rgba(255,255,255,0.03);
  --glass-border: rgba(20,184,166,0.15);
  --glow-color: rgba(20,184,166,0.28);
  --blur: 12px;
  --shadow-glow: 0 8px 30px rgba(20,184,166,0.14);
  --transition: 0.28s cubic-bezier(.22,.61,.36,1);
}



*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition-timing-function: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html, body {
  height: 100%;
  font-family: 'Inter', Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: radial-gradient(
      circle at center,
      rgba(20, 184, 166, 0.08) 0%,
      rgba(0, 0, 0, 1) 65%
    ),
    radial-gradient(
      circle at 75% 30%,
      rgba(20, 184, 166, 0.12),
      transparent 60%
    );
  background-color: #000;
  color: white;
  min-height: 100vh;
}

a { color:var(--primary1); text-decoration:none !important; }


/* === NAVBAR === */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: #14b8a6;
  box-shadow: 0 0 10px rgba(20,184,166,0.6);
  border-radius: 2px;
  z-index: 9999;
  transition: width 0.15s ease-out, box-shadow 0.15s ease-out;
}

.glass-navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(20,184,166,0.12);
  backdrop-filter: blur(var(--blur));
  box-shadow: 0 4px 20px rgba(20,184,166,0.1);
  z-index: 8000;
  transition: all var(--transition);
}

.nav-left a {
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-light) !important;
}

.nav-right {
  display: flex;
  gap: 28px;
  list-style: none;
  flex: unset;
  justify-content: center;
}

.nav-right a {
  text-decoration: none;
  padding: 10px 20px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  border-radius: 30px;
  transition: 0.25s ease;
}

.nav-right a.active {
  background: rgba(20,184,166,0.18);
  color: var(--primary1);
}

.nav-right a:hover {
  background: rgba(20,184,166,0.12);
  color: var(--primary1);
}

.glass-navbar.scrolled {
  background: rgba(0, 0, 0, 0.85);
  box-shadow: 0 4px 30px rgba(20,184,166,0.25);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background: white;
  transition: 0.3s;
}


/* === HERO === */
.hero {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.hero .overlay {
  max-width: 900px;
  width: 100%;
  padding-top: 180px;
  padding-bottom: 60px;
  position: relative;
  z-index: 0;
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
  transition: transform 0.4s ease;
  background: linear-gradient(180deg, var(--primary2), var(--primary3));
  -webkit-background-clip: text;
  color: transparent;
}

.hero h1:hover {
  transform: scale(1.03);
}

.hero h3 {
  font-size: 1.3rem;
  font-weight: 500;
  opacity: 0.9;
  margin-bottom: 12px;
}

.hero p {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 24px;
}

.social {
  display: flex;
  gap: 1.4rem;
  justify-content: center;
}

.social a {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--text-light);
  background: var(--glass-bg);
  backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  text-decoration: none !important;
}

.social a:hover {
  transform: translateY(-3px) scale(1.1);
  background: linear-gradient(135deg, var(--primary1), var(--primary3));
  box-shadow: 0 0 20px var(--glow-color);
}

.social a:hover i {
  transform: rotate(8deg);
}

/* === MAIN === */
.container, .main-text, h2, h3::not(.subtitle), h4 .project-card, .pub-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease-out, transform 0.9s cubic-bezier(.22,.61,.36,1);
}

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

main { width: 100vw; }

.container {
  margin: 0 auto;
  padding: 0 20px;
}

main section {
  min-height: 100vh;
  width: 100%;
  max-width: 1100px;
  margin: 2rem auto;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(.2,.9,.2,1), transform 0.8s cubic-bezier(.2,.9,.2,1);
  position: relative;
}

main section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: -1;
}

main section.visible {
  opacity: 1;
  transform: translateY(0);
}

main section h2 {
  font-size: 2.1rem;
  margin-bottom: .6rem;
  background: linear-gradient(180deg,var(--primary2),var(--primary1));
  -webkit-background-clip: text;
  color: transparent;
  text-align: center;
}

@keyframes gradientMove {
  from { background-position: 0%; }
  to { background-position: 100%; }
}

main section h3 {
  margin: 12px 0 6px;
  color: var(--primary3);
  transition: all 0.3s ease;
}

main section h3:hover {
  color: var(--primary1);
}

main section p, main section a {
  font-size: 1rem;
  line-height: 1.6;
}

.main-text {
  max-width: 760px;
  margin: 0 auto .8rem;
  color: var(--muted);
  text-align: center;
}

main section a {
  color: var(--primary3);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

main section a:hover {
  color: var(--primary1);
  text-decoration: underline;
}

main section::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  opacity: 0.3;
}

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

.keyword {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--color) 15%, transparent);
  color: var(--color, #fff);
  font-weight: 400;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(8px) saturate(180%);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  cursor: default;
  text-wrap: nowrap;
}

/* === EDUCATION & EXPERIENCE BLOCKS === */
.flex-container {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.education-block, .experience-block {
  margin-top: 40px;
  padding: 30px;
  border-radius: 20px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
  position: relative;
  flex: 1 1 30%;
  min-width: 15rem;
}

.education-block:hover, .experience-block:hover {
  transform: translateY(-6px);
}

.education-block h3, .experience-block h3 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  background: linear-gradient(180deg, var(--primary2), var(--primary3));
  -webkit-background-clip: text;
  color: transparent;
}

.exp-item, .edu-item {
  margin-bottom: 28px;
  border-left: 3px solid var(--primary3);
  padding-left: 14px;
  transition: all 0.3s ease;
}

.exp-item:hover, .edu-item:hover { 
  transform: translateX(2px); 
}

.exp-item h4, .edu-item h4 { 
  font-size: 1.2rem; 
  font-weight: 700; 
  color: var(--primary3); 
  margin-bottom: 6px; 
}

.exp-item p, .edu-item p { 
  opacity: 0.85; 
  line-height: 1.55; 
}

/* === TECH === */
#tech-stack {
  padding: 60px 0;
  text-align: center;
}

#tech-stack .stack-grid{ 
  display:grid; 
  grid-template-columns:repeat(auto-fit, minmax(120px, 1fr)); 
  gap:1rem; 
  margin-top:1rem; 
}

.stack-card{ 
  padding:1rem; 
  border-radius:12px; 
  background:var(--card-bg); 
  border:1px solid var(--glass-border); 
  text-align:center; 
  transition:transform var(--transition), box-shadow var(--transition); 
}

.stack-card:hover{ 
  transform:translateY(-6px); 
  box-shadow: 0 20px 50px rgba(20,184,166,0.14); 
}

.stack-card img {
  max-width: 100%;
}

.stack-card p {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
}

.currently-learning p {
  color: var(--primary1);
  font-style: italic;
}

/* === PROJECTS === */
.projects-container { 
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02)); 
  border-radius:14px; 
  padding:1.2rem; 
  border:1px solid var(--glass-border); 
  margin-top:1.5rem; 
}

.projects-menu{ 
  display:flex; 
  gap:1rem; 
  margin-bottom:2rem; 
}

.projects-menu-item {
  padding: 10px 22px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  gap: 8px;
  align-items: center;
  transition: 0.25s;
  user-select: none;
}
.projects-menu-item:hover {
  background: rgba(20,184,166,0.18);
  border-color: rgba(20,184,166,0.5);
}

.projects-menu-item.active,
.projects-menu-item.selected {
  background: rgba(20,184,166,0.18);
  border-color: rgba(20,184,166,0.6);
  color: var(--primary1);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

/* CARD */
.project-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, opacity .25s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

/* IMAGE */
.project-image {
  height: 170px;
  background-size: cover;
  background-position: center;
  transition: transform .4s ease;
}

.project-card:hover .project-image {
  transform: scale(1.03);
}

/* CONTENT */
.project-content {
  padding: 1.2rem;
}

.project-content h3 {
  font-size: 1.1rem;
  color: var(--primary1);
  margin-bottom: .5rem;
  letter-spacing: .2px;
}

.project-content p {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.45;
  margin: 0;
}

/* TECH */
.project-tech {
  margin-top: .7rem;
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
}

.project-tech span {
  background: rgba(255,255,255,0.03);
  padding: .28rem .55rem;
  border-radius: 8px;
  font-weight: 600;
  color: var(--muted);
  font-size: .78rem;
  border: 1px solid rgba(255,255,255,0.04);
  transition: background .25s ease, color .25s ease;
}

.project-tech span:hover {
  background: rgba(20,184,166,0.12);
  color: var(--primary1);
}

/* LINKS */
.project-links {
  margin-top: 1rem;
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
}

.project-links a {
  padding: .45rem .75rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: .85rem;
  color: var(--text);
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  display: inline-flex;
  gap: .4rem;
  align-items: center;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}

.project-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.32);
  background: rgba(255,255,255,0.06);
}

.project-links a.primary {
  background: linear-gradient(90deg, var(--primary1), var(--primary2));
  color: #fff;
  border: none;
}

.project-links a.primary:hover {
  box-shadow: 0 10px 40px rgba(20,184,166,0.4);
}



/* === PUBLICATIONS === */
#publications {
  padding: 6rem 0;
}

.pub-section-title {
  margin-top: 2.5rem;
  font-size: 1.4rem;
  color: var(--primary1);
  display: flex;
  align-items: center;
  gap: .6rem;
  text-shadow: 0 0 8px var(--glow-color);
}

.pub-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.pub-item {
  padding: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  transition: transform .25s ease, box-shadow .25s ease;
  opacity: 0;
  transform: translateY(20px);
}

.pub-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.pub-item:hover {
  transform: translateY(-6px);
}

.pub-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: var(--primary3);
  text-shadow: 0 0 10px rgba(127,61,255,0.4);
}

.pub-item p {
  color: var(--text-light);
  line-height: 1.5;
}

.pub-item a {
  color: var(--primary2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: .3s;
}

.pub-item a:hover {
  border-bottom: 1px solid var(--primary2);
}

/* === CONTACT SECTION === */
#connect {
  padding: 6rem 0;
  text-align: center;
}

.contact-subtitle {
  opacity: 0.75;
  margin-top: -10px;
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.contact-cards {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 40px;
}

.contact-card {
  width: 300px;
  padding: 24px 26px;
  border-radius: 18px;
  background: var(--card-bg);
  backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: transform var(--transition), box-shadow var(--transition); 
}

.contact-card i {
  font-size: 2rem;
  color: var(--primary1);
  text-shadow: 0 0 10px var(--glow-color);
}

.contact-card h4 {
  font-size: 1.2rem;
  color: var(--primary3);
}

.contact-card p {
  opacity: 0.85;
  font-size: 0.95rem;
}

.contact-card:hover {
  transform:translateY(-6px); 
}

/* === FOOTER === */
footer {
  width: 100%;
  padding: 20px 0;
  margin-top: 3rem;

  text-align: center;
  font-size: 0.9rem;
  opacity: 0.65;
  color: var(--text-light);

  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(20,184,166,0.12);
  backdrop-filter: blur(10px) saturate(140%);
}

footer p {
  margin: 0;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .nav-right {
    position: fixed;
    top: 64px;
    right: -100%; 
    width: 100%;
    flex-direction: column;
    background: rgba(0,0,0);
    backdrop-filter: blur(var(--blur));
    padding: 1.5rem 0;
    gap: 18px;
    align-items: center;
    transition: right 0.3s ease;
    height: 100vh;
  }

  .nav-right.active {
    right: 0; 
  }
  
  .hero .overlay { padding-top: 120px; padding-bottom: 40px; }
  .hero h1 { font-size: 2.2rem; }
  .social a { width: 40px; height: 40px; font-size: 1.2rem; }

  .projects-container {
    padding: 1rem;
  }

  .projects-menu {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
  }

  .projects-menu-item {
    flex: 1 1 calc(33% - 0.5rem);
    text-align: center;
    padding: 8px 10px;
    font-size: 0.9rem;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .edu-item { flex-direction: column; align-items: flex-start; }
  .experience-block, .education-block { padding: 20px; }

  .projects-menu-item {
    flex: 1 1 45%;
  }

  .project-image {
    height: 150px;
  }

  .project-content h3 {
    font-size: 1rem;
  }

  .project-content p {
    font-size: 0.9rem;
  }

  .project-tech span {
    font-size: 0.7rem;
    padding: 0.2rem 0.45rem;
  }

  .project-links a {
    font-size: 0.8rem;
    padding: 0.35rem 0.6rem;
  }
}

@media (max-width: 480px) {
  .projects-menu {
    flex-direction: column;
    gap: 0.5rem;
  }

  .projects-menu-item {
    flex: 1 1 100%;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .project-image {
    height: 140px;
  }

  .project-content {
    padding: 1rem 0.8rem;
  }

  .project-content h3 {
    font-size: 0.95rem;
  }

  .project-content p {
    font-size: 0.85rem;
  }

  .project-tech span {
    font-size: 0.68rem;
    padding: 0.2rem 0.4rem;
  }

  .project-links a {
    font-size: 0.75rem;
    padding: 0.3rem 0.5rem;
  }
}