:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-2: #555;
  --text-3: #888;
  --accent: #ea580c;
  --accent-h: #c2410c;
  --accent-bg: #fff7ed;
  --border: #e5e3dd;
  --tag-bg: #edebe7;
  --tag-text: #3d3d3d;
  --nav-bg: rgba(247, 246, 243, 0.92);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --green: #16a34a;
  --green-bg: #f0fdf4;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141414;
    --surface: #1c1c1c;
    --text: #ececec;
    --text-2: #999;
    --text-3: #666;
    --accent: #f97316;
    --accent-h: #fb923c;
    --accent-bg: #431407;
    --border: #2a2a2a;
    --tag-bg: #242424;
    --tag-text: #b0b0b0;
    --nav-bg: rgba(20, 20, 20, 0.92);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --green: #4ade80;
    --green-bg: #052e16;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #141414;
  --surface: #1c1c1c;
  --text: #ececec;
  --text-2: #999;
  --text-3: #666;
  --accent: #f97316;
  --accent-h: #fb923c;
  --accent-bg: #431407;
  --border: #2a2a2a;
  --tag-bg: #242424;
  --tag-text: #b0b0b0;
  --nav-bg: rgba(20, 20, 20, 0.92);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --green: #4ade80;
  --green-bg: #052e16;
  color-scheme: dark;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: "Outfit", system-ui, sans-serif;
  line-height: 1.2;
  text-wrap: balance;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-h);
}

img {
  max-width: 100%;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: 24px;
}

/* ---- NAV ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  padding: 0;
}

.nav-toggle span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all 0.3s;
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 9px; }
.nav-toggle span:nth-child(3) { top: 18px; }
.nav-toggle.open span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ---- HERO ---- */
.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-role {
  font-size: 1.125rem;
  color: var(--text-2);
  font-weight: 500;
  margin: 0 0 1.25rem;
}

.hero-bio {
  color: var(--text-2);
  font-size: 0.95rem;
  max-width: 60ch;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-h);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn svg {
  width: 16px;
  height: 16px;
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.avatar-img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto 1.25rem;
  border: 3px solid var(--border);
}

.info-rows {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.info-label {
  color: var(--text-3);
}

.info-value {
  color: var(--text);
  font-weight: 500;
  text-align: right;
}

.info-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.5rem 0;
}

/* ---- SECTIONS ---- */
.section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-sub {
  color: var(--text-3);
  font-size: 0.9rem;
  margin: 0 0 2.5rem;
}

.accent-bar {
  display: inline-block;
  width: 2rem;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 1rem;
}

/* ---- SKILLS ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.skill-group h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin: 0 0 0.75rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--tag-bg);
  color: var(--tag-text);
  white-space: nowrap;
}

.tag-accent {
  background: var(--accent-bg);
  color: var(--accent);
}

/* ---- EXPERIENCE ---- */
.timeline {
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.tl-entry {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 2.5rem;
}

.tl-entry:last-child {
  padding-bottom: 0;
}

.tl-dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  z-index: 1;
}

.tl-entry:first-child .tl-dot {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.tl-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}

.tl-role {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  font-family: "Outfit", sans-serif;
}

.tl-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--green-bg);
  color: var(--green);
}

.tl-company {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-2);
  margin: 0.1rem 0;
}

.tl-meta {
  font-size: 0.8rem;
  color: var(--text-3);
  margin: 0.25rem 0 0.75rem;
}

.tl-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  margin: 0 0 0.75rem;
  max-width: 65ch;
}

.tl-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.tl-techs .tag {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
}

/* ---- EDUCATION ---- */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}

.edu-card:hover {
  box-shadow: var(--shadow-md);
}

.edu-degree {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  font-family: "Outfit", sans-serif;
}

.edu-school {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin: 0 0 0.35rem;
}

.edu-period {
  font-size: 0.8rem;
  color: var(--text-3);
  margin: 0 0 0.5rem;
}

.edu-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  margin: 0;
}

/* ---- CERTIFICATIONS ---- */
.certs-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.cert-provider-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin: 0 0 0.75rem;
}

.cert-provider-label span {
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
}

.cert-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.4rem;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-2);
  transition: background 0.2s;
}

.cert-item:hover {
  background: var(--tag-bg);
}

.cert-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.cert-name {
  flex: 1;
}

.cert-link {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  opacity: 0.7;
  transition: opacity 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

.cert-item:hover .cert-link {
  opacity: 1;
}

.cert-link svg {
  width: 12px;
  height: 12px;
}

/* ---- REPOS (loaded by gitCardRepo.js) ---- */
.repo-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.repo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s, transform 0.3s;
  text-decoration: none;
  color: inherit;
}

.repo-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: inherit;
}

.repo-card-accent {
  height: 4px;
  width: 100%;
}

.repo-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.repo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.repo-name {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent);
  margin: 0;
}

.repo-fresh {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--green-bg);
  color: var(--green);
  white-space: nowrap;
}

.repo-desc {
  font-size: 0.82rem;
  color: var(--text-2);
  margin: 0;
  flex: 1;
  line-height: 1.5;
}

.repo-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.repo-lang {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
}

.lang-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.repo-metric {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.repo-metric svg {
  width: 13px;
  height: 13px;
  color: var(--text-3);
}

.repo-error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  text-align: center;
}

.footer-name {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-3);
  margin: 0 0 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.footer-links a {
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-3);
  margin: 0;
}

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 50;
}

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

.scroll-top:hover {
  border-color: var(--accent);
}

.scroll-top svg {
  width: 18px;
  height: 18px;
  color: var(--text-2);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }

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

  .info-card {
    max-width: 360px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem 24px 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.6rem 0;
    font-size: 0.95rem;
  }

  .nav-links a.active::after {
    display: none;
  }

  .section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.35rem;
  }

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

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

  .cert-list {
    grid-template-columns: 1fr;
  }

  .repo-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .repo-card:hover {
    transform: none;
  }
}