:root {
  --bg-page: #0a0e14;
  --bg-surface: #0d1117;
  --bg-surface-2: #11161f;
  --bg-card: #0f141c;
  --border-color: #1e2733;
  --border-color-hover: #283242;
  --accent-cyan: #22d3ee;
  --accent-cyan-bright: #06f0ff;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-faint: #475569;
  --accent-purple: #a78bfa;
  --accent-green: #34d399;
  --accent-orange: #fb923c;
  --accent-red: #f87171;
  --radius-pill: 4px;
  --header-height: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

::selection {
  background: rgba(34, 211, 238, 0.28);
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.container {
  width: min(1280px, calc(100vw - 48px));
  margin: 0 auto;
}

.section-pad {
  padding-block: 96px;
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--header-height);
  background: rgba(10, 14, 20, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
}

.nav-shell {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  background: var(--bg-card);
  border-radius: 0;
}

.brand-initials {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.12em;
}

.brand-copy {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent-cyan);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: var(--text-secondary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 18px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn:focus-visible,
a:focus-visible,
.menu-close:focus-visible,
.menu-toggle:focus-visible,
.mobile-menu a:focus-visible,
.footer-links a:focus-visible,
.social-row a:focus-visible,
.filter-btn:focus-visible,
.icon-link:focus-visible,
.contact-row:focus-within,
.contact-form input:focus-visible,
.contact-form textarea:focus-visible,
.hero-scroll:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-page);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-cyan-bright);
}

.btn-secondary,
.btn-hire {
  border-color: var(--accent-cyan);
  background: transparent;
  color: var(--accent-cyan);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 18px;
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.btn-hire:hover,
.btn-hire:focus-visible {
  background: var(--accent-cyan);
  color: var(--bg-page);
}

.btn-icon {
  line-height: 1;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border-color);
  background: transparent;
  border-radius: 14px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 0 auto;
  background: var(--text-primary);
}

.menu-toggle span + span {
  margin-top: 5px;
}

.mobile-menu {
  position: fixed;
  inset: var(--header-height) 0 0;
  background: rgba(10, 14, 20, 0.98);
  backdrop-filter: blur(18px);
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border-color);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu-panel {
  width: min(420px, calc(100vw - 48px));
  display: grid;
  gap: 24px;
  justify-items: center;
  padding-block: 24px;
}

.menu-close {
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 16px;
  border-radius: 0;
}

.mobile-menu-links {
  display: grid;
  gap: 18px;
  justify-items: center;
}

.mobile-menu-links a {
  color: var(--text-primary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(18px, 4vw, 24px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.btn-hire-mobile {
  width: 100%;
  max-width: 320px;
}

.page-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
}

.page-grid-left {
  transform: translate(-10%, -6%);
}

.page-grid-right {
  transform: translate(10%, 6%);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-shell {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.hero-copy {
  padding-top: 16px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-cyan);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.eyebrow::after {
  content: "";
  width: 280px;
  max-width: 36vw;
  height: 1px;
  background: var(--border-color);
  opacity: 0.8;
}

.hero-name {
  margin: 0;
  font-size: clamp(56px, 10vw, 110px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.hero-name span {
  display: block;
}

#heroNameLine2 {
  color: var(--accent-cyan);
}

.hero-role {
  margin: 18px 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
}

.hero-role-prefix {
  color: var(--text-muted);
}

.hero-cursor {
  width: 10px;
  height: 1.1em;
  display: inline-block;
  background: var(--accent-cyan);
  animation: blink 1s steps(1, end) infinite;
}

.hero-summary,
.section-body {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
  max-width: 600px;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.social-row a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: 12px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-row a:hover,
.social-row a:focus-visible {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.social-row svg {
  width: 18px;
  height: 18px;
}

.hero-side {
  align-self: stretch;
  display: grid;
  gap: 18px;
  align-content: start;
}

.hero-portrait {
  display: grid;
  justify-items: center;
  gap: 12px;
}

.hero-portrait-frame {
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  padding: 14px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at top, rgba(34, 211, 238, 0.18), transparent 56%),
    linear-gradient(180deg, rgba(17, 22, 31, 0.98), rgba(15, 20, 28, 0.95));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  overflow: hidden;
  position: relative;
}

.hero-portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), transparent 40%, rgba(167, 139, 250, 0.1));
  pointer-events: none;
}

.hero-portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border: 1px solid rgba(148, 163, 184, 0.15);
  background: #05070a;
}

.hero-portrait-caption {
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
}

.hero-terminal {
  width: 100%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  padding: 28px;
  display: grid;
  gap: 18px;
}

.terminal-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
}

.terminal-key {
  color: var(--accent-cyan);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.terminal-value {
  color: var(--text-secondary);
  font-size: 15px;
}

.hero-stats-shell {
  margin-top: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border-color);
}

.hero-stat {
  padding-top: 24px;
  padding-right: 20px;
}

.hero-stat-number {
  display: block;
  color: var(--accent-cyan);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 24px;
  width: 40px;
  height: 40px;
  margin-left: -20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.hero-scroll span {
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce 1.6s ease-in-out infinite;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.section-head-between {
  align-items: center;
}

.section-title {
  margin: 0;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.section-title span {
  color: var(--text-primary);
}

.section-title em {
  font-style: normal;
  color: var(--accent-cyan);
}

.contact-title {
  max-width: 12ch;
}

.contact-title span {
  display: block;
}

.section-intro {
  margin-bottom: 28px;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 28px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.about-stat {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  padding: 18px;
  border-radius: 18px;
}

.about-stat-value {
  display: block;
  color: var(--accent-cyan);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}

.about-stat-label {
  color: var(--text-secondary);
  font-size: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  padding: 24px;
  border-radius: 18px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 14px;
  background: #10223b;
  color: var(--accent-cyan);
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(4) .feature-icon {
  color: var(--accent-purple);
}

.feature-card:nth-child(3) .feature-icon,
.feature-card:nth-child(6) .feature-icon {
  color: var(--accent-green);
}

.feature-card h3,
.highlight-card h3 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1.25;
}

.feature-card p,
.highlight-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.section-label {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.filter-btn {
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: 18px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.filter-btn:hover,
.filter-btn:focus-visible {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.filter-btn.is-active {
  background: var(--accent-cyan);
  color: var(--bg-page);
  border-color: var(--accent-cyan);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 28px;
}

.skills-cloud {
  margin-top: 34px;
}

.skills-cloud-tags {
  margin-top: 18px;
  gap: 12px;
}

.skill-card,
.project-card,
.timeline-item,
.stat-mini,
.feedback-card,
.contact-card,
.status-card,
.feature-card,
.highlight-card,
.about-stat,
.contact-row {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  border-radius: 18px;
}

.skill-card {
  padding: 26px 24px 24px;
  min-height: 340px;
}

.skill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.skill-head h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0;
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700;
}

.skill-mark {
  width: 4px;
  height: 20px;
  border-radius: 0;
}

.skill-progress-list,
.skill-tag-cloud {
  display: grid;
  gap: 14px;
}

.skill-row {
  display: grid;
  gap: 8px;
}

.skill-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
}

.skill-row-name {
  color: var(--text-primary);
}

.skill-row-value {
  color: var(--text-muted);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.skill-meter {
  height: 2px;
  background: var(--border-color);
  overflow: hidden;
  border-radius: 999px;
}

.skill-meter span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent-cyan);
  transition: width 1s ease;
}

.skill-card.is-visible .skill-meter span[data-width] {
  width: var(--skill-width);
}

.skill-card[data-accent="purple"] .skill-mark,
.skill-card[data-accent="purple"] .skill-meter span {
  background: var(--accent-purple);
}

.skill-card[data-accent="green"] .skill-mark,
.skill-card[data-accent="green"] .skill-meter span {
  background: var(--accent-green);
}

.skill-card[data-accent="cyan"] .skill-mark,
.skill-card[data-accent="cyan"] .skill-meter span {
  background: var(--accent-cyan);
}

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

.skill-tags span,
.tech-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.skill-tags span:hover,
.skill-tags span:focus-visible,
.tech-tag:hover,
.tech-tag:focus-visible {
  border-color: currentColor;
  color: inherit;
  transform: translateY(-1px);
}

.skill-card[data-accent="cyan"] .skill-tags span:hover,
.skill-card[data-accent="cyan"] .skill-tags span:focus-visible {
  color: var(--accent-cyan);
}

.skill-card[data-accent="purple"] .skill-tags span:hover,
.skill-card[data-accent="purple"] .skill-tags span:focus-visible {
  color: var(--accent-purple);
}

.skill-card[data-accent="green"] .skill-tags span:hover,
.skill-card[data-accent="green"] .skill-tags span:focus-visible {
  color: var(--accent-green);
}

.skills-cloud .section-label {
  margin-bottom: 18px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.projects-grid.is-filtering {
  opacity: 0.4;
  transform: translateY(8px);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.highlight-card {
  padding: 24px;
  display: grid;
  gap: 12px;
  min-height: 220px;
}

.highlight-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  border-radius: 14px;
  background: #10223b;
  color: var(--accent-cyan);
}

.highlight-card:nth-child(2) .highlight-icon {
  color: var(--accent-purple);
}

.highlight-card:nth-child(3) .highlight-icon {
  color: #f59e0b;
}

.highlight-card:nth-child(4) .highlight-icon {
  color: var(--accent-green);
}

.highlight-card:nth-child(5) .highlight-icon {
  color: #f472b6;
}

.project-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, opacity 0.3s ease;
  min-height: 100%;
}

.project-card:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-surface-2);
  transform: translateY(-2px);
}

.project-card.is-hidden {
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  max-height: 0;
  margin: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-width: 0;
  overflow: hidden;
}

.project-card.featured {
  grid-column: span 2;
}

.project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.project-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  flex: 0 0 auto;
  border-radius: 14px;
}

.project-type svg {
  width: 20px;
  height: 20px;
}

.project-meta-left {
  display: grid;
  gap: 8px;
}

.project-category {
  color: var(--text-secondary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.icon-link:hover,
.icon-link:focus-visible {
  color: var(--accent-cyan);
}

.icon-link svg {
  width: 14px;
  height: 14px;
}

.project-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1.2;
  font-weight: 700;
}

.project-subtitle {
  margin: -6px 0 0;
  color: var(--accent-cyan);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.project-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 24px;
  align-items: start;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  padding-left: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding: 24px;
  margin-left: 18px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 30px;
  width: 8px;
  height: 8px;
  border-radius: 0;
}

.timeline-item.cyan::before {
  background: var(--accent-cyan);
}

.timeline-item.purple::before {
  background: var(--accent-purple);
}

.timeline-item.green::before {
  background: var(--accent-green);
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 8px;
}

.timeline-head h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
  color: var(--text-primary);
}

.timeline-date {
  color: var(--text-muted);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-align: right;
  white-space: pre-line;
}

.timeline-company {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  margin-bottom: 14px;
}

.timeline-item ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.timeline-item li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.timeline-item li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-cyan);
}

.experience-side {
  display: grid;
  gap: 18px;
}

.aside-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat-mini {
  padding: 16px;
}

.stat-mini-number {
  display: block;
  color: var(--accent-cyan);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-mini-label {
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.5;
}

.feedback-card {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.feedback-label {
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feedback-quote {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  font-style: italic;
  line-height: 1.7;
}

.feedback-author {
  color: var(--text-muted);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.feedback-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  width: fit-content;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 24px;
  align-items: start;
}

.contact-copy {
  display: grid;
  gap: 18px;
}

.contact-form-title {
  margin: 0 0 24px;
  color: var(--text-primary);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
}

.contact-rows {
  display: grid;
  gap: 12px;
}

.contact-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 14px;
}

.contact-row:hover,
.contact-row:focus-within {
  border-color: var(--accent-cyan);
}

.contact-row-icon {
  width: 40px;
  height: 40px;
  display: grid;
  padding-top: 10px;
  place-items: center;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 14px;
  line-height: 0;
}

.contact-row[data-contact-type="email"] .contact-row-icon {
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.08);
}

.contact-row[data-contact-type="phone"] .contact-row-icon {
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.08);
}

.contact-row[data-contact-type="linkedin"] .contact-row-icon {
  color: var(--accent-purple);
  background: rgba(167, 139, 250, 0.08);
}

.contact-row[data-contact-type="github"] .contact-row-icon {
  color: #f472b6;
  background: rgba(244, 114, 182, 0.08);
}

.contact-row[data-contact-type="location"] .contact-row-icon {
  color: var(--accent-orange);
  background: rgba(251, 146, 60, 0.08);
}

.contact-row[data-contact-type="whatsapp"] .contact-row-icon {
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.08);
}

.contact-row-icon svg {
  justify-self: center !important;
  align-self: center !important;
  width: 18px;
  height: 18px;
  display: block;
}

.contact-row strong,
.contact-row span {
  display: block;
}

.contact-row-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.contact-row-value {
  color: var(--text-primary);
  word-break: break-word;
}

.contact-row-arrow {
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  justify-self: end;
}

.contact-row:hover .contact-row-arrow,
.contact-row:focus-within .contact-row-arrow {
  color: var(--accent-cyan);
}

.status-card {
  padding: 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.status-card .section-label {
  grid-column: 1 / -1;
  margin: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 0;
  background: var(--accent-green);
  animation: pulse 1.8s ease-in-out infinite;
}

.status-copy {
  display: grid;
  gap: 2px;
}

.status-copy strong {
  color: var(--text-primary);
  font-size: 14px;
}

.status-copy span {
  color: var(--text-muted);
  font-size: 12px;
}

.contact-card {
  padding: 28px;
}

.contact-card .status-card {
  margin-top: 22px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form-title {
  margin-bottom: 22px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: var(--text-muted);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  background: var(--bg-surface-2);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: 16px;
  outline: none;
  transition: border-color 0.2s ease, outline-color 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent-cyan);
  outline: 1px solid var(--accent-cyan);
  outline-offset: 0;
}

.contact-form textarea {
  resize: vertical;
  min-height: 170px;
}

.btn-block {
  width: 100%;
  padding-block: 16px;
  font-size: 15px;
  font-weight: 700;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.form-status.is-pending {
  color: var(--accent-cyan);
}

.form-status.is-success {
  color: var(--accent-green);
}

.form-status.is-error {
  color: var(--accent-red);
}

.site-footer {
  border-top: 1px solid var(--border-color);
  padding-block: 32px;
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-copy,
.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-secondary);
  font-size: 12px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent-cyan);
}

.reveal-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

main {
  position: relative;
  z-index: 1;
}

#projects {
  position: relative;
  z-index: 2;
  overflow: visible;
}

#projects .container {
  position: relative;
  z-index: 2;
}

#about,
#skills,
#projects,
#highlights,
#experience,
#contact {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.skill-card,
.project-card,
.timeline-item,
.stat-mini,
.feedback-card,
.contact-row,
.status-card,
.contact-card {
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.project-card.is-exiting {
  opacity: 0;
}

.project-card.is-entering {
  opacity: 0;
  transform: translateY(12px);
}

.project-card.is-entering.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card .project-links,
.project-card .tech-tags,
.timeline-item,
.skill-card,
.feedback-card,
.contact-row,
.status-card,
.stat-mini {
  position: relative;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: rotate(45deg) translate(0, 0);
  }
  50% {
    transform: rotate(45deg) translate(0, 4px);
  }
}

@keyframes pulse {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  70% {
    opacity: 0.45;
    transform: scale(1.15);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 1100px) {
  .hero-shell,
  .about-grid,
  .experience-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .highlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-card.featured {
    grid-column: span 2;
  }

  .hero-side {
    max-width: 680px;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 64px;
  }

  .container {
    width: min(1280px, calc(100vw - 48px));
  }

  .section-pad {
    padding-block: 48px;
  }

  .nav-links,
  .nav-actions .btn-hire {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero-shell {
    gap: 32px;
  }

  .hero-portrait-frame {
    width: min(100%, 360px);
  }

  .hero-name {
    font-size: clamp(52px, 16vw, 80px);
  }

  .hero-role {
    font-size: 18px;
  }

  .hero-summary,
  .section-body {
    font-size: 16px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skills-grid,
  .projects-grid,
  .field-row,
  .aside-stats,
  .about-stats,
  .feature-grid,
  .highlight-grid {
    grid-template-columns: 1fr;
  }

  #researchGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  #research .feature-card {
    padding: 12px !important;
    min-height: 136px !important;
    gap: 10px !important;
  }

  #research .feature-icon {
    width: 28px !important;
    height: 28px !important;
    margin-bottom: 4px !important;
  }

  #research .feature-card h3 {
    font-size: 11px !important;
    line-height: 1.2 !important;
    min-height: 2.4em !important;
    overflow: hidden !important;
  }

  #research .feature-card p {
    display: none !important;
  }

  #researchStatement {
    margin-top: 12px;
    font-size: 14px;
  }

  .project-card.featured {
    grid-column: span 1;
  }

  #projects {
    margin-top: 0;
    padding-top: 48px;
  }

  #projects .projects-grid {
    position: relative;
    z-index: 2;
    gap: 16px;
  }

  #projects .project-card {
    min-height: 0;
  }

  .section-head,
  .section-head-between {
    align-items: flex-start;
    flex-direction: column;
  }

  .filter-row {
    justify-content: flex-start;
  }

  .timeline {
    padding-left: 18px;
  }

  .timeline-item {
    margin-left: 14px;
  }

  .timeline-head {
    flex-direction: column;
  }

  .timeline-date {
    text-align: left;
    white-space: normal;
  }
}

@media (max-width: 540px) {
  .container {
    width: min(1280px, calc(100vw - 48px));
  }

  .hero-actions,
  .filter-row,
  .social-row,
  .footer-links,
  .footer-copy {
    width: 100%;
  }

  .btn,
  .filter-btn {
    width: 100%;
  }

  .project-links {
    justify-content: flex-start;
  }

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