* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
:root {
  --bg: #09090b;
  --bg2: #09090b;
  --card: rgba(39, 39, 42, 0.4);
  --border: #27272a;
  --accent: #fafafa;
  --accent-dim: rgba(250, 250, 250, 0.1);
  --text: #a1a1aa;
  --muted: #71717a;
  --white: #ffffff;
  --nav-bg: rgba(9, 9, 11, 0.85);
  --menu-bg: rgba(9, 9, 11, 0.95);
  --code-hdr: rgba(0, 0, 0, 0.2);
  --grad1: transparent;
  --grad2: transparent;
  --grad3: transparent;
  --grad4: transparent;
  --grad5: transparent;
  --grad6: transparent;
}
body.light-mode {
  --bg: #f6f3ef;
  --bg2: #edeae4;
  --card: #ffffff;
  --border: #b8b0a6;
  --accent: #0d0c0b;
  --accent-dim: rgba(13, 12, 11, 0.08);
  --text: #111110;
  --muted: #3d3a36;
  --white: #050505;
  --nav-bg: rgba(246, 243, 239, 0.95);
  --menu-bg: #f6f3ef;
  --code-hdr: rgba(255, 255, 255, 0.8);
  --grad1: transparent;
  --grad2: transparent;
  --grad3: transparent;
  --grad4: transparent;
  --grad5: transparent;
  --grad6: transparent;
}
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* NAV */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 80px;
  height: 70px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}
#navbar.scrolled {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-logo {
  font-family: "Fira Code", monospace;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
}
.nav-logo .br {
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-dim);
}
.nav-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang-switch {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 4px;
}
.lang-btn {
  cursor: pointer;
  color: var(--muted);
  font-family: "Inter", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lang-btn:hover {
  color: var(--text);
}
.lang-btn.active {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 4px 10px var(--accent-dim);
}
.lang-sep {
  display: none;
}
.theme-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.95rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  cursor: pointer;
  transition: all 0.2s;
}
.theme-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  flex-shrink: 0;
  display: block;
}
.theme-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.burger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.burger.open span:nth-child(2) {
  opacity: 0;
}
.burger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--menu-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  color: var(--muted);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
}
.mobile-menu a:hover {
  color: var(--white);
  background: var(--accent-dim);
}

/* COMMON */
.sec {
  padding: 100px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.sec-bg {
  background: var(--bg2);
  padding: 100px 0;
}
.sec-bg .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px;
}
.tag {
  display: inline-block;
  font-family: "Fira Code", monospace;
  font-size: 0.85rem;
  color: var(--muted);
  background: transparent;
  padding: 0;
  border-radius: 0;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.sec-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--white);
  letter-spacing: -1px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  width: 100%;
  letter-spacing: -0.5px;
}
.sec-title span {
  color: var(--accent);
}
.btn {
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s;
  border: none;
  font-family: "Inter", sans-serif;
}
.btn-p {
  background: var(--accent);
  color: var(--bg);
  border: 1.5px solid var(--accent);
}
.btn-p:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--accent-dim);
}
.btn-s {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-s:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* HERO */
#home {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 140px 80px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-greeting {
  font-family: "Fira Code", monospace;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero-name {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}
.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--muted);
  font-weight: 400;
  margin-bottom: 24px;
}
.hero-role strong {
  color: var(--accent);
}
.hero-desc {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 300;
  max-width: 460px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
/* CANVAS HERO ANIMATION */
.hero-canvas {
  width: 100%;
  height: 400px;
  display: block;
  object-fit: contain;
  cursor: crosshair;
}

/* ABOUT CARD / DEV INFO */
.about-stats-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  font-family: "Fira Code", monospace;
  transition: all 0.25s;
  flex: 1;
}
.about-card:hover {
  border-color: var(--accent);
}
.ac-hdr {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.ac-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ac-row {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  font-size: 0.85rem;
  gap: 12px;
}
.ac-label {
  color: var(--accent);
  width: 100px;
  flex-shrink: 0;
}
.ac-val {
  color: var(--text);
  font-weight: 500;
}
.ac-badge {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}
.about-text p {
  color: var(--muted);
  font-weight: 300;
  font-size: 1rem;
  margin-bottom: 16px;
  line-height: 1.85;
}
.about-text p strong {
  color: var(--text);
  font-weight: 500;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  text-align: center;
  transition: all 0.25s;
}
.stat-box:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.stat-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  font-family: "Fira Code", monospace;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 6px;
}

/* SKILLS */
.skills-wrap {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.skills-group-label {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.skills-group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.skill-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 12px 18px;
  transition: all 0.25s;
  cursor: default;
}
.skill-chip:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}
.s-icon {
  font-size: 1.2rem;
}
.s-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
}

/* PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 24px;
}
.project-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.project-thumb {
  height: 190px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  padding: 14px;
}
.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.05) 0%,
    rgba(0, 0, 0, 0.55) 65%,
    rgba(0, 0, 0, 0.75) 100%
  );
  pointer-events: none;
  opacity: 0.95;
}
.project-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  filter: saturate(1.05) contrast(1.05);
}
.project-thumb .p-url {
  font-family: "Fira Code", monospace;
  font-size: 0.72rem;
  color: var(--accent);
  opacity: 0.8;
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.project-card:hover .project-thumb {
  background: var(--accent-dim);
}
.project-card:hover .project-thumb-img {
  transform: scale(1.06);
  transition: transform 0.35s ease;
}
.project-body {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.project-desc {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 300;
  margin-bottom: 16px;
  flex: 1;
  line-height: 1.7;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
}
.p-tag {
  font-family: "Fira Code", monospace;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
}
.project-links {
  display: flex;
  gap: 10px;
}
.p-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  flex: 1;
  justify-content: center;
}
.p-link-demo {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
}
.p-link-demo:hover {
  background: transparent;
  color: var(--accent);
}
.p-link-code {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.p-link-code:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* CERTIFICATES */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.cert-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
}
.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.cert-thumb {
  width: 100%;
  height: 140px;
  border-radius: 12px;
  flex-shrink: 0;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: #ffffff;
  padding: 6px;
}
.cert-meta {
  padding: 2px 4px 4px;
}
.cert-title {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.cert-issuer {
  font-size: 0.74rem;
  color: var(--muted);
}
.cert-view {
  font-size: 0.72rem;
  color: var(--accent);
  margin-top: 6px;
  display: inline-block;
}

/* CONTACT */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-intro {
  color: var(--muted);
  font-weight: 300;
  margin-bottom: 28px;
  font-size: 1rem;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.c-link {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
}
.c-link:hover {
  border-color: var(--accent);
  transform: translateX(6px);
}
.c-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(249, 115, 22, 0.2);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.c-type {
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 2px;
}
.c-val {
  font-size: 0.9rem;
  font-weight: 500;
}
.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.fg {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.fg label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.fg input,
.fg textarea {
  background: var(--card);
  border: 1.5px solid var(--border);
  color: var(--text);
  padding: 13px 16px;
  border-radius: 10px;
  font-family: "Inter", sans-serif;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}
.fg input:focus,
.fg textarea:focus {
  border-color: var(--accent);
}
.fg textarea {
  height: 130px;
}
.form-msg {
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  display: none;
}
.form-ok {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}
.form-err {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}
.form-loading {
  background: var(--accent-dim);
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: var(--accent);
}

/* FOOTER */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 36px 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy {
  color: var(--muted);
  font-size: 0.82rem;
}
.footer-socials {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.2s;
}
.social-btn:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  #navbar {
    padding: 0 32px;
  }
  .nav-links {
    display: none;
  }
  .burger {
    display: flex;
  }
  .nav-controls {
    margin-right: 14px;
    gap: 12px;
  }
  #home {
    grid-template-columns: 1fr;
    padding: 120px 32px 80px;
  }
  .hero-right {
    order: -1;
    display: flex;
    justify-content: center;
  }
  .sec {
    padding: 80px 32px;
  }
  .sec-bg .inner {
    padding: 0 32px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
@media (max-width: 768px) {
  #navbar {
    padding: 0 20px;
  }
  .nav-controls {
    margin-right: 14px;
    gap: 8px;
  }
  #home {
    padding: 120px 20px 80px;
  }
  .sec {
    padding: 70px 20px;
  }
  .sec-bg .inner {
    padding: 0 20px;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
  }
  footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    padding: 24px 20px;
  }
}