:root {
  --bg: #060a12;
  --bg-soft: #0e1422;
  --text: #f3f6ff;
  --muted: #adb8d6;
  --line: rgba(255, 255, 255, 0.11);
  --primary: #7f92ff;
  --primary-2: #64e6c0;
  --card: rgba(255, 255, 255, 0.045);
  --card-strong: rgba(255, 255, 255, 0.065);
}

body[data-theme="light"] {
  --bg: #f2f5ff;
  --bg-soft: #ffffff;
  --text: #111628;
  --muted: #4c5778;
  --line: rgba(12, 18, 35, 0.14);
  --card: rgba(255, 255, 255, 0.9);
  --card-strong: rgba(255, 255, 255, 0.96);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background: radial-gradient(circle at 80% -12%, #263682, transparent 40%), var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.82);
  backdrop-filter: blur(14px);
}

.navbar {
  min-height: 74px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.2rem;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.15px;
  font-size: 1.03rem;
}

.menu {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  color: var(--muted);
  font-weight: 500;
}

.menu a {
  font-size: 0.95rem;
}

.menu a:hover {
  color: #fff;
}

.menu a.active {
  color: #fff;
  text-shadow: 0 0 18px rgba(127, 146, 255, 0.55);
}

.resume-btn {
  border: 1px solid var(--line);
  padding: 0.48rem 0.96rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.93rem;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.theme-toggle {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 999px;
  padding: 0.48rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.resume-btn:hover {
  border-color: #fff;
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.07);
}

.hero {
  padding: 7rem 0 4rem;
}

.hero-wrap {
  max-width: 920px;
}

.tag {
  color: var(--primary-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
}

.profile-pill {
  display: inline-block;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: #d6def9;
  font-size: 0.8rem;
  margin-bottom: 0.8rem;
}

h1 {
  margin-top: 0.35rem;
  font-size: clamp(2.5rem, 6.6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lead {
  margin-top: 1.1rem;
  color: var(--muted);
  max-width: 760px;
  font-size: clamp(1rem, 1.7vw, 1.1rem);
}

.typed-line {
  margin-top: 0.8rem;
  color: var(--muted);
}

.typed-role {
  color: var(--primary-2);
  font-weight: 700;
}

.hero-cta {
  margin-top: 1.65rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.72rem 1.22rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  font-size: 0.94rem;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(109, 133, 255, 0.25);
}

.btn-primary {
  color: #091128;
  background: linear-gradient(135deg, #93a3ff, var(--primary));
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.stats {
  margin-top: 2.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  background: linear-gradient(180deg, var(--card-strong), var(--card));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.05rem 1.1rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
}

.stat-card h3 {
  font-size: 1.95rem;
  line-height: 1.1;
}

.stat-card p {
  color: var(--muted);
  font-size: 0.93rem;
}

.section {
  padding: 4rem 0;
}

.section h2 {
  font-size: clamp(1.55rem, 4vw, 2.2rem);
  margin-bottom: 0.9rem;
  letter-spacing: -0.01em;
}

.section-text {
  color: var(--muted);
  max-width: 820px;
}

.section-dark {
  background: linear-gradient(
    180deg,
    rgba(22, 31, 62, 0.34),
    rgba(14, 21, 38, 0.14)
  );
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.skill-cloud {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.skill-cloud span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.marquee {
  width: 100%;
  overflow: hidden;
  margin-top: 1.45rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.05rem 0;
  display: flex;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.skills-start-label {
  margin-top: 1rem;
  font-weight: 700;
  color: var(--muted);
}

.tools-section {
  overflow: hidden;
  position: relative;
}

.tools-inner {
  position: relative;
  min-height: 180px;
}

.tools-strip {
  position: relative;
  margin-top: 0.8rem;
}

.hero-marquee {
  margin-top: 1.2rem;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: max-content;
  padding-right: 0.7rem;
  animation: floatSkills 22s linear infinite;
}

.marquee-track span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
  color: #d9e2ff;
}

@keyframes floatSkills {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

.grid-3 {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.project,
.panel {
  background: linear-gradient(180deg, var(--card-strong), var(--card));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.project:hover,
.panel:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
}

.project .meta,
.panel .meta {
  color: #a7b8ea;
  font-size: 0.88rem;
  margin: 0.25rem 0 0.55rem;
}

.stack {
  margin-top: 0.62rem;
  color: #c2d0fb;
  font-size: 0.9rem;
}

.project-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-top: 0.75rem;
}

#project-search {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  min-width: 240px;
}

.filter-chips {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
  cursor: pointer;
  font-size: 0.84rem;
}

.chip.active {
  background: var(--primary);
  color: #0a1126;
  border-color: transparent;
}

.project-item.is-hidden {
  display: none;
}

.project-photo {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
}

.project-photo img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.18);
}

.repo-link {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.4rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.84rem;
  background: rgba(255, 255, 255, 0.02);
}

.grid-2 {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1rem;
}

.panel ul {
  padding-left: 1.05rem;
  color: var(--muted);
  display: grid;
  gap: 0.45rem;
}

.about-block {
  margin-bottom: 1.6rem;
}

.about-profile-layout {
  display: grid;
  grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 2.25rem);
  align-items: start;
}

.about-profile-photo-wrap {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
  max-width: 280px;
  width: 100%;
  aspect-ratio: 3 / 4;
}

.about-profile-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-profile-text h2 {
  margin-top: 0;
}

@media (max-width: 768px) {
  .about-profile-layout {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .about-profile-text {
    text-align: left;
  }

  .about-profile-photo-wrap {
    max-width: 240px;
    margin: 0 auto;
  }
}

.section-gap-top {
  margin-top: 0.9rem;
}

.about-row-gap {
  margin-top: 1.6rem;
}

.certificates-panel {
  display: grid;
  gap: 0.75rem;
}

.certificate-photo {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.certificate-photo img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.upload-label {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 600;
}

#certificate-upload {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 0.55rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.training-cert-section {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.training-cert-heading {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.training-cert-photo img {
  height: auto;
  min-height: 180px;
  max-height: 280px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.2);
}

.training-cert-caption {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
}

.education-panel {
  margin-top: 1.2rem;
}

.about-section-block {
  margin-top: 1.6rem;
}

.about-subheading {
  margin-bottom: 0.8rem;
  font-size: 1.25rem;
}

.achievement-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.achievement-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--card-strong), var(--card));
  padding: 1rem;
}

.achievement-item h4 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.achievement-item p {
  color: var(--muted);
  font-size: 0.92rem;
}

.certificate-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.certificate-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--card-strong), var(--card));
}

.certificate-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}

.certificate-card img.cert-screenshot {
  height: 200px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.22);
}

.certificate-card p {
  padding: 0.8rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.certificate-thumb-link {
  display: block;
  line-height: 0;
}

.certificate-thumb-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.cert-verify-link {
  display: block;
  padding: 0 0.8rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.cert-verify-link:hover {
  text-decoration: underline;
}

.contact-links-panel p {
  color: var(--muted);
}

.contact-links-panel a:hover {
  color: #fff;
}

footer {
  border-top: 1px solid var(--line);
  padding: 2.4rem 0;
}

.contact-wrap p {
  color: var(--muted);
  margin-top: 0.5rem;
}

.contact-wrap a:hover {
  color: #fff;
}

.footer-live {
  margin-top: 0.75rem;
  margin-bottom: 0;
  font-size: 0.92rem;
}

.footer-live a {
  color: var(--primary);
  font-weight: 600;
}

.footer-live a:hover {
  text-decoration: underline;
}

.copy {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.contact-form {
  margin: 1rem 0;
  display: grid;
  gap: 0.55rem;
  max-width: 540px;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.68rem 0.78rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
}

.contact-two-col {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1rem;
  align-items: start;
}

.contact-links-col {
  display: grid;
  gap: 0.75rem;
}

.contact-link-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  background: linear-gradient(180deg, var(--card-strong), var(--card));
}

.contact-link-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.28rem;
}

.contact-link-card a {
  color: var(--muted);
  word-break: break-word;
}

.contact-link-card a:hover {
  color: #fff;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 99;
  border: 1px solid var(--line);
  background: var(--card-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 0.48rem 0.74rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 0.25s ease;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }

  .reveal,
  .reveal.is-visible,
  .btn,
  .stat-card,
  .project,
  .panel,
  .resume-btn {
    transition: none;
    transform: none;
  }
}

@media (max-width: 980px) {
  .hero {
    padding-top: 6rem;
  }

  .menu {
    display: none;
  }

  .theme-toggle {
    display: none;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .achievement-grid,
  .certificate-grid {
    grid-template-columns: 1fr;
  }

  .contact-two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 5rem;
  }

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