:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-secondary: #f5f5f5;
  --border: #dddddd;

  --text: #111111;
  --text-muted: #555555;

  --primary: #007acc;
  --accent: #28a745;
  --highlight: #6f42c1;
  --warning: #ffb86c;

  --bg-soft: var(--bg-secondary);
  --surface: var(--bg-secondary);
  --surface-strong: var(--bg-secondary);
  --text-soft: var(--text-muted);
  --line: var(--border);
  --accent-strong: var(--primary);
  --accent-warm: var(--warning);
  --bg-layer-top: var(--bg);
  --bg-layer-bottom: var(--bg);
  --surface-end: var(--bg-secondary);
  --overlay: rgba(245, 245, 245, 0.9);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
  --radius: 16px;
  --radius-sm: 16px;
  --container: min(1120px, calc(100% - 2rem));
  --transition: 220ms ease;
  --font-sans: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #282a36;
  --bg-secondary: #21222c;
  --border: #44475a;
  --text: #f8f8f2;
  --text-muted: #6272a4;
  --primary: #8be9fd;
  --accent: #50fa7b;
  --highlight: #bd93f9;
  --warning: #ffb86c;
  --bg-soft: var(--bg-secondary);
  --surface: var(--bg-secondary);
  --surface-strong: var(--bg-secondary);
  --text-soft: var(--text-muted);
  --line: var(--border);
  --accent-strong: var(--primary);
  --accent-warm: var(--warning);
  --bg-layer-top: var(--bg);
  --bg-layer-bottom: var(--bg);
  --surface-end: var(--bg-secondary);
  --overlay: rgba(33, 34, 44, 0.9);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

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

html {
  scroll-behavior: auto;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  transition:
    background-color var(--transition),
    color var(--transition);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.015;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: none;
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--accent);
  text-shadow: none;
}

h1 {
  color: var(--text);
}

p,
.subtitle {
  color: var(--text-soft);
}

button {
  font: inherit;
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

button:hover,
.btn:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
  color: var(--text);
}

.btn {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

::selection {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 5.5rem 0;
}

.section-heading {
  margin-bottom: 2rem;
  max-width: 44rem;
}

.section-heading h2 {
  margin: 0.25rem 0 0;
  font-size: clamp(2rem, 5vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 4px;
  background: transparent;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  box-shadow: none;
}

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(33, 34, 44, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    opacity 500ms ease,
    visibility 500ms ease;
}

.intro-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.content-card,
.skill-group,
.project-card,
.timeline-card,
.impact-card,
.contact-card {
  border: 1px solid var(--line);
  background: var(--bg-secondary);
  box-shadow: none;
  backdrop-filter: none;
}

.intro-terminal {
  width: min(100%, 42rem);
}

.intro-terminal__header,
.terminal-card__bar {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.9rem 1.1rem;
}

.intro-terminal__header span,
.terminal-card__bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
}

.intro-terminal__header span:nth-child(1),
.terminal-card__bar span:nth-child(1) {
  background: var(--highlight);
}

.intro-terminal__header span:nth-child(2),
.terminal-card__bar span:nth-child(2) {
  background: var(--warning);
}

.intro-terminal__header span:nth-child(3),
.terminal-card__bar span:nth-child(3) {
  background: var(--accent);
}

.intro-terminal__body,
.terminal-card__content {
  padding: 1.35rem 1.35rem 1.5rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.96rem;
}

.terminal-card__content p {
  color: var(--primary);
}

.intro-line {
  min-height: 1.45rem;
  color: var(--primary);
}

.intro-line::first-letter {
  color: var(--highlight);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-top: 0.75rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  margin-top: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  backdrop-filter: none;
  position: relative;
  transition: background 0.3s ease;
}

.navbar,
.nav {
  background: var(--bg-secondary);
  border-color: var(--border);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  color: var(--bg);
  background: var(--accent);
}

.nav__links {
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
  justify-content: center;
}

.nav__links a,
.footer a,
.project-card__top a {
  color: var(--primary);
  transition:
    color var(--transition),
    transform var(--transition),
    text-shadow var(--transition);
}

.nav__links a:hover,
.footer a:hover,
.project-card__top a:hover {
  color: var(--accent);
  text-shadow: none;
  transform: translateY(-1px);
}

.theme-toggle {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: var(--bg-secondary);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
}

.theme-toggle__moon {
  color: var(--text-soft);
}

[data-theme="dark"] .theme-toggle__sun {
  color: var(--text-soft);
}

[data-theme="dark"] .theme-toggle__moon {
  color: var(--text);
}

.hero {
  padding-top: 5rem;
}

.hero__grid,
.section-grid,
.two-column {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.hero__grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
}

.hero__content h1 {
  margin: 0.35rem 0 0.75rem;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.hero__title {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text);
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  font-weight: 700;
  min-height: 1.8rem;
}

.typing-cursor {
  width: 0.72ch;
  height: 1.2em;
  background: var(--accent);
  animation: blink 900ms steps(1) infinite;
}

.hero__tagline {
  margin: 1rem 0 0;
  font-size: clamp(1.2rem, 2.7vw, 1.65rem);
  line-height: 1.3;
  font-weight: 600;
}

.hero__copy,
.content-card p,
.timeline-card p,
.impact-card p,
.project-card p,
.contact-card p {
  color: var(--text-soft);
}

.hero__copy {
  max-width: 60ch;
  margin-top: 1rem;
}

.content-card {
  max-width: 60ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.8rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.button:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
  color: var(--text);
}

.button:active {
  transform: scale(0.97);
}

.button--primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  font-weight: 500;
}

.button--primary:hover {
  background: #3be374;
  opacity: 1;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  font-weight: 500;
}

.btn-primary:hover {
  background: #3be374;
  opacity: 1;
}

.contact-btn {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

.button--secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
}

.btn-secondary,
.button--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover,
.button--secondary:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.button a,
.btn a {
  text-decoration: none !important;
}

.hero__highlights,
.project-metrics,
.skill-group ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero__highlights li,
.project-metrics li {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-secondary);
}

.hero__highlights li {
  padding: 0.6rem 0.85rem;
  color: var(--text-soft);
}

.hero__panel {
  display: grid;
  gap: 1.15rem;
}

.content-card,
.skill-group,
.timeline-card,
.impact-card,
.contact-card {
  border-radius: var(--radius);
}

.terminal-card__content strong {
  display: block;
  margin-bottom: 0.9rem;
  color: var(--text);
}

.hero-stats {
  display: grid;
  gap: 1rem;
}

.stat-chip {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
}

.stat-chip strong,
.impact-card__value {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.stat-chip span {
  color: var(--text-soft);
}

.impact-grid,
.skills-grid,
.projects-grid,
.cert-grid {
  display: grid;
  gap: 1.2rem;
}

.impact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.impact-card,
.content-card,
.timeline-card {
  padding: 1.4rem;
}

.impact-card h3,
.content-card h3,
.skill-group h3,
.project-card h3,
.timeline-card h3 {
  margin: 0.6rem 0 0.4rem;
}

.section-grid,
.two-column {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.skills-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.skill-group {
  padding: 1.35rem;
}

.skill-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.skill-group li {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.25s ease;
}

@media (hover: hover) and (pointer: fine) {
  .skill-group li:hover {
    transform: translateY(-4px) scale(1.05);
    color: var(--text);
    border-color: var(--accent);
    background: var(--bg-secondary);
    box-shadow: none;
  }
}

.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card {
  overflow: hidden;
  border-radius: calc(var(--radius) + 2px);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: none;
}

.card:hover {
  transform: translateY(-4px);
}

.project-card__thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.project-card__body {
  padding: 1.25rem;
}

.project-card__top {
  display: grid;
  gap: 0.8rem;
}

.project-card__title-block {
  display: grid;
  gap: 0.7rem;
}

.project-card__title-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.project-card__title-row h3 {
  margin: 0;
}

.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.project-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 0.42rem 0.82rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text);
  backdrop-filter: none;
  box-shadow: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.project-badge--winner {
  color: var(--warning);
  border-color: var(--border);
  background: color-mix(in srgb, var(--warning) 16%, var(--bg-secondary));
  box-shadow: none;
}

.project-badge--client {
  color: var(--accent);
  border-color: var(--border);
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-secondary));
}

.project-badge--lead {
  color: var(--highlight);
  border-color: var(--border);
  background: color-mix(in srgb, var(--highlight) 14%, var(--bg-secondary));
}

.project-card:hover .project-badge {
  transform: translateY(-1px);
  box-shadow: none;
}

.project-card:hover .project-badge--winner {
  box-shadow: none;
}

.project-card:hover .project-badge--client {
  box-shadow: none;
}

.project-card:hover .project-badge--lead {
  box-shadow: none;
}

.timeline-card__meta {
  display: inline-flex;
  width: fit-content;
  padding: 0.35rem 0.72rem;
  border-radius: 999px;
  color: var(--accent);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-secondary));
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.project-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.project-metrics li {
  padding: 0.45rem 0.72rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.cert-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-simple {
  max-width: 40rem;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

.contact-simple h2 {
  margin: 0;
}

.contact-simple__copy {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.contact-terminal {
  width: min(100%, 34rem);
  margin: 0 auto;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-secondary);
  text-align: left;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.contact-terminal__line {
  margin: 0;
  min-height: 1.55rem;
}

.contact-terminal__line + .contact-terminal__line {
  margin-top: 0.45rem;
}

.contact-terminal__prompt {
  color: var(--primary);
}

.contact-terminal__prompt::first-letter {
  color: var(--highlight);
}

.contact-link-line {
  display: block;
  width: 100%;
  margin-top: 0.45rem;
  padding: 0.12rem 0;
  color: var(--accent);
  text-decoration: none;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.contact-link-line:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-shadow: none;
}

.contact-link-line:active {
  opacity: 0.7;
}

.contact-terminal__hint {
  margin: 0.75rem 0 0;
  color: var(--text-soft);
  opacity: 0.58;
  font-size: 0.82rem;
  text-decoration: none;
}

.contact-terminal__cursor-line {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.terminal-cursor {
  display: inline-block;
  width: 0.62rem;
  height: 1.05rem;
  background: var(--primary);
  animation: blink 1s steps(1, end) infinite;
}

svg {
  color: var(--text);
  stroke: currentColor;
  fill: none;
}


.terminal,
.intro-terminal,
.terminal-card {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.contact-terminal,
.card {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.card {
  transition: transform var(--transition);
}

.contact-terminal {
  overflow: hidden;
}



.terminal-header,
.terminal-card__bar {
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.intro-terminal__header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.terminal-content,
.terminal-screen,
.terminal-card__content,
.intro-terminal__body {
  padding: 20px;
}

.intro-terminal__body {
  background: var(--bg-secondary);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
}

.mobile-menu {
  position: absolute;
  top: 60px;
  right: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: none;
  z-index: 45;
  min-width: 180px;
}

.mobile-menu a {
  display: block;
  padding: 8px 12px;
  color: var(--text);
}

.mobile-menu a:hover {
  color: var(--accent);
}

.prompt {
  color: var(--highlight);
  opacity: 0.9;
}

.command {
  color: var(--primary);
  opacity: 0.9;
}

.link {
  color: var(--accent);
}

.output {
  color: var(--text);
  opacity: 0.9;
}

.terminal-prompt,
.terminal-label,
.terminal-row p,
.terminal-row h1,
.terminal-card__content p,
.terminal-card__content strong,
.intro-line,
.contact-terminal__line,
.contact-link-line {
  opacity: 0.9;
}

.terminal-prompt {
  color: var(--highlight);
}

.terminal-label {
  color: var(--primary);
}

.highlight {
  color: var(--accent);
}

.typing {
  color: var(--text);
}

.cursor {
  color: var(--accent);
}

.footer {
  padding: 0 0 2rem;
}

.footer__content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 960px) {
  .nav {
    border-radius: 1.25rem;
  }

  .hero__grid,
  .section-grid,
  .two-column,
  .impact-grid,
  .skills-grid,
  .projects-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 4.5rem 0;
  }

  .site-header {
    padding-top: 0.5rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero__actions,
  .hero__highlights {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .footer__content,
  .project-card__title-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 10px 14px;
  }

  .nav__links {
    display: none;
  }

  .menu-toggle {
    display: block;
  }
}