/* -------------------------------------------------------------------------
   Global theme (oklch). Add class "dark" to <html> for dark mode.
   ------------------------------------------------------------------------- */
:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.45 0.2 285);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.93 0.05 285);
  --secondary-foreground: oklch(0.25 0.1 285);
  --muted: oklch(0.965 0 0);
  --muted-foreground: oklch(0.45 0 0);
  --accent: oklch(0.55 0.2 285);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.55 0.22 27);
  --destructive-foreground: oklch(0.985 0 0);
  --border: oklch(0.91 0.01 285);
  --input: oklch(0.91 0.01 285);
  --ring: oklch(0.45 0.2 285);
  --chart-1: oklch(0.92 0.06 310);
  --chart-2: oklch(0.78 0.12 285);
  --chart-3: oklch(0.62 0.18 285);
  --chart-4: oklch(0.5 0.2 285);
  --chart-5: oklch(0.38 0.18 285);
  --radius: 0.875rem;
  --sidebar: oklch(0.99 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.45 0.2 285);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.93 0.05 285);
  --sidebar-accent-foreground: oklch(0.25 0.1 285);
  --sidebar-border: oklch(0.91 0.01 285);
  --sidebar-ring: oklch(0.45 0.2 285);
  /* Aliases for this site */
  --bg: var(--background);
  --bg-elevated: var(--card);
  --text: var(--foreground);
  --font-sans: "Nunito Sans", system-ui, sans-serif;
  --font-display: var(--font-sans);
  --font-mono: "Nunito Sans", ui-monospace, monospace;
  --radius-lg: calc(var(--radius) + 4px);
  --sidebar-width: 260px;
}

.dark {
  --background: oklch(0.14 0.02 285);
  --foreground: oklch(0.97 0 0);
  --card: oklch(0.18 0.02 285);
  --card-foreground: oklch(0.97 0 0);
  --popover: oklch(0.18 0.02 285);
  --popover-foreground: oklch(0.97 0 0);
  --primary: oklch(0.65 0.2 285);
  --primary-foreground: oklch(0.14 0.02 285);
  --secondary: oklch(0.28 0.06 285);
  --secondary-foreground: oklch(0.97 0 0);
  --muted: oklch(0.28 0.04 285);
  --muted-foreground: oklch(0.7 0.02 285);
  --accent: oklch(0.55 0.2 285);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.55 0.22 27);
  --destructive-foreground: oklch(0.985 0 0);
  --border: oklch(0.3 0.04 285);
  --input: oklch(0.3 0.04 285);
  --ring: oklch(0.65 0.2 285);
  --chart-1: oklch(0.7 0.15 310);
  --chart-2: oklch(0.65 0.18 285);
  --chart-3: oklch(0.6 0.2 285);
  --chart-4: oklch(0.55 0.2 285);
  --chart-5: oklch(0.5 0.18 285);
  --sidebar: oklch(0.16 0.02 285);
  --sidebar-foreground: oklch(0.97 0 0);
  --sidebar-primary: oklch(0.65 0.2 285);
  --sidebar-primary-foreground: oklch(0.14 0.02 285);
  --sidebar-accent: oklch(0.28 0.06 285);
  --sidebar-accent-foreground: oklch(0.97 0 0);
  --sidebar-border: oklch(0.3 0.04 285);
  --sidebar-ring: oklch(0.65 0.2 285);
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  overflow-x: clip;
}

/* Accessibility */

.skip-link {
  position: fixed;
  left: calc(var(--sidebar-width, 260px) + 1rem);
  top: 0.75rem;
  z-index: 25;
  transform: translateY(-200%);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--foreground);
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Layout: sidebar + main content */

.main-wrap {
  margin-left: var(--sidebar-width, 260px);
  min-height: 100vh;
}

/* Sidebar */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width, 260px);
  height: 100vh;
  z-index: 20;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 2rem 1.5rem;
}

.sidebar-photo-wrap {
  margin-bottom: 1.25rem;
}

.sidebar-photo {
  display: block;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dark .sidebar-photo {
  border-color: var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sidebar-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
  margin-bottom: 2rem;
}

.sidebar-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--foreground);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sidebar-logo:hover {
  color: var(--primary);
}

.sidebar-tagline {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin: 0;
}

.sidebar-tagline-icon {
  flex-shrink: 0;
  color: var(--muted-foreground);
}

.sidebar-nav {
  flex: 1;
}

.sidebar-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-links li {
  margin-bottom: 0.25rem;
}

.sidebar-links a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sidebar-links a:hover {
  color: var(--primary);
}

.sidebar-links a.active {
  color: var(--primary);
  font-weight: 600;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  margin-bottom: 1rem;
  background: var(--muted);
  border: none;
  border-radius: 8px;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover {
  color: var(--primary);
  background: var(--border);
}

.theme-icon-sun {
  display: none;
}

.theme-icon-moon {
  display: block;
}

.dark .theme-icon-sun {
  display: block;
}

.dark .theme-icon-moon {
  display: none;
}

.sidebar-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem;
  padding-top: 1.5rem;
  margin-top: auto;
  border-top: 1px solid var(--border);
  width: 100%;
}

.sidebar-footer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--muted-foreground);
  text-decoration: none;
  background: var(--muted);
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.sidebar-footer-link:hover {
  color: var(--primary);
  background: var(--border);
}

.sidebar-footer-link:hover .sidebar-footer-icon {
  color: inherit;
}

.sidebar-footer-icon {
  flex-shrink: 0;
  color: var(--muted-foreground);
}

/* Sidebar toggle (mobile) */

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 30;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.sidebar-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--foreground);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.sidebar.open + .sidebar-toggle .sidebar-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.sidebar.open + .sidebar-toggle .sidebar-toggle-bar:nth-child(2) {
  opacity: 0;
}

.sidebar.open + .sidebar-toggle .sidebar-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-bottom: 2rem;
}

@media (min-width: 769px) {
  .hero {
    min-height: 100vh;
    padding-bottom: 4rem;
  }
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  width: 100%;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--foreground);
  scroll-margin-top: 1.5rem;
}

.hero p {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.hero-body {
  margin-bottom: 1.25rem;
  max-width: 95ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-keyword {
  font-weight: 700;
  color: var(--primary);
}

.hero-contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-download-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.hero-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--foreground);
  background: var(--muted);
  border: 1px solid var(--foreground);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.hero-contact-btn:hover {
  background: var(--card);
  border-color: var(--foreground);
}

.hero-contact-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.hero-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 6px;
  text-decoration: none;
  transition: filter 0.2s ease;
}

.hero-download-btn:hover {
  filter: brightness(1.1);
}

.hero-download-icon {
  flex-shrink: 0;
}

.hero .btn-download-cv {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  background: var(--primary);
  color: var(--primary-foreground);
  border: 2px solid var(--primary);
  border-radius: 4px;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.hero .btn-download-cv:hover {
  filter: brightness(0.9);
}

/* Base Download CV button (Resume section, etc.) */
.btn-download-cv {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  background: var(--card);
  color: var(--foreground);
  border: 2px solid var(--foreground);
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-download-cv:hover {
  background: var(--foreground);
  color: var(--card);
}

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

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-foreground);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: filter 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--foreground);
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: var(--muted);
}

/* Sections */

.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.section:first-of-type {
  padding-top: 1.5rem;
}

@media (min-width: 769px) {
  .section {
    min-height: 100vh;
    padding-top: 1.5rem;
    padding-bottom: 8rem;
  }

  .section:first-of-type {
    padding-top: 1.5rem;
  }
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  color: var(--foreground);
  scroll-margin-top: 1.5rem;
}

.section-heading-exp-dot {
  color: var(--primary);
  font-weight: 700;
}

.section-heading-exp {
  font-family: var(--font-display);
}

.section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  scroll-margin-top: 1.5rem;
}

.section p {
  color: var(--muted-foreground);
  max-width: 60ch;
}

.section-intro {
  margin-top: -0.25rem;
}

.section a:not(.btn-primary):not(.btn-secondary):not(.btn-download-cv):not(.contact-btn):not(.skill-tag):not(.hero-contact-btn):not(.hero-download-btn):not(.projects-show-more) {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.section a:not(.btn-primary):not(.btn-secondary):not(.btn-download-cv):not(.contact-btn):not(.skill-tag):not(.hero-contact-btn):not(.hero-download-btn):not(.projects-show-more):hover {
  color: var(--accent);
  text-decoration: underline;
}

.tag {
  display: inline-block;
  letter-spacing: 0.02em;
}

/* Skills blocks */
.skills-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.skills-block {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.skills-block-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--foreground);
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid;
  border-radius: 4px;
}

.skills-block-design {
  background: rgba(147, 197, 253, 0.08);
  border-color: rgba(147, 197, 253, 0.4);
}

.skills-block-design .skills-block-title,
.skills-block-design .skill-tag {
  color: rgb(96, 165, 250);
}

.skills-block-design .skill-tag {
  background: rgba(147, 197, 253, 0.12);
  border-color: rgba(147, 197, 253, 0.5);
}

.dark .skills-block-design .skills-block-title,
.dark .skills-block-design .skill-tag {
  color: rgb(147, 197, 253);
}

.skills-block-tools {
  background: rgba(167, 243, 208, 0.08);
  border-color: rgba(167, 243, 208, 0.4);
}

.skills-block-tools .skills-block-title,
.skills-block-tools .skill-tag {
  color: rgb(34, 197, 94);
}

.skills-block-tools .skill-tag {
  background: rgba(167, 243, 208, 0.12);
  border-color: rgba(167, 243, 208, 0.5);
}

.dark .skills-block-tools .skills-block-title,
.dark .skills-block-tools .skill-tag {
  color: rgb(134, 239, 172);
}

.skills-block-technical {
  background: rgba(253, 186, 116, 0.08);
  border-color: rgba(253, 186, 116, 0.4);
}

.skills-block-technical .skills-block-title,
.skills-block-technical .skill-tag {
  color: rgb(251, 146, 60);
}

.skills-block-technical .skill-tag {
  background: rgba(253, 186, 116, 0.12);
  border-color: rgba(253, 186, 116, 0.5);
}

.dark .skills-block-technical .skills-block-title,
.dark .skills-block-technical .skill-tag {
  color: rgb(253, 186, 116);
}

.skills-block-domain {
  background: rgba(196, 181, 253, 0.08);
  border-color: rgba(196, 181, 253, 0.4);
}

.skills-block-domain .skills-block-title,
.skills-block-domain .skill-tag {
  color: rgb(167, 139, 250);
}

.skills-block-domain .skill-tag {
  background: rgba(196, 181, 253, 0.12);
  border-color: rgba(196, 181, 253, 0.5);
}

.dark .skills-block-domain .skills-block-title,
.dark .skills-block-domain .skill-tag {
  color: rgb(196, 181, 253);
}

.skills-block-certifications {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.4);
}

.skills-block-certifications .skills-block-title,
.skills-block-certifications .skill-tag {
  color: rgb(6, 182, 212);
}

.skills-block-certifications .skill-tag {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.5);
  text-decoration: none;
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease,
    color 0.2s ease;
}

.skills-block-certifications .skill-tag:hover {
  background: rgba(34, 211, 238, 0.22);
  border-color: rgb(6, 182, 212);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.28);
  transform: translateY(-2px);
}

.skills-block-certifications .skill-tag:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
  border-color: rgb(6, 182, 212);
}

.dark .skills-block-certifications .skills-block-title,
.dark .skills-block-certifications .skill-tag {
  color: rgb(34, 211, 238);
}

.dark .skills-block-certifications .skill-tag:hover {
  background: rgba(34, 211, 238, 0.2);
  border-color: rgb(34, 211, 238);
  box-shadow: 0 4px 16px rgba(34, 211, 238, 0.22);
}

@media (prefers-reduced-motion: reduce) {
  .skills-block-certifications .skill-tag {
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .skills-block-certifications .skill-tag:hover {
    transform: none;
  }
}

/* Projects */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.projects-show-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 260px;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--foreground);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.projects-show-more:hover {
  border-color: var(--primary);
  background: var(--muted);
  color: var(--foreground);
}

.projects-show-more-arrow {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.projects-show-more:hover .projects-show-more-arrow {
  transform: translateX(4px);
}

.project-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.project-card-box {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.project-card-box:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.project-card-img-wrap {
  position: relative;
  display: block;
}

.project-card-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.project-year {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  border-radius: 4px;
}

.project-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 1rem 1.25rem 0;
}

.project-category {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted-foreground);
}

.project-card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  padding: 0.5rem 1.25rem 0.5rem;
  color: var(--foreground);
}

.project-card-desc {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  margin: 0;
  padding: 0 1.25rem 1rem;
  line-height: 1.5;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1.25rem 1.25rem;
  margin-top: auto;
}

.project-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 4px;
}

.project-tag-design {
  color: rgb(96, 165, 250);
  background: rgba(147, 197, 253, 0.12);
  border: 1px solid rgba(147, 197, 253, 0.5);
}

.project-tag-tools {
  color: rgb(34, 197, 94);
  background: rgba(167, 243, 208, 0.12);
  border: 1px solid rgba(167, 243, 208, 0.5);
}

.project-tag-technical {
  color: rgb(251, 146, 60);
  background: rgba(253, 186, 116, 0.12);
  border: 1px solid rgba(253, 186, 116, 0.5);
}

.project-tag-domain {
  color: rgb(167, 139, 250);
  background: rgba(196, 181, 253, 0.12);
  border: 1px solid rgba(196, 181, 253, 0.5);
}

.dark .project-tag-design {
  color: rgb(147, 197, 253);
}

.dark .project-tag-tools {
  color: rgb(134, 239, 172);
}

.dark .project-tag-technical {
  color: rgb(253, 186, 116);
}

.dark .project-tag-domain {
  color: rgb(196, 181, 253);
}

.card-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  color: var(--primary-foreground);
  background: var(--primary);
}

.badge-muted {
  color: var(--muted-foreground);
  background: var(--muted);
  border: 1px solid var(--border);
}

.project-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.project-card p {
  margin-bottom: 0.75rem;
}

.card-summary {
  color: var(--muted-foreground);
}

.card-metrics {
  margin: 0 0 0.9rem;
  padding-left: 1.05rem;
  color: var(--muted-foreground);
}

.card-metrics strong {
  color: var(--foreground);
  font-weight: 600;
}

.project-card a,
.card-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.project-card a:hover,
.card-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Methods / layout helpers */

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.surface {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
}

.h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted-foreground);
}

.muted {
  color: var(--muted-foreground);
}

/* Experience timeline */
.section-experience .exp-timeline {
  margin-top: 1.75rem;
  font-family: var(--font-sans);
}

.exp-timeline {
  position: relative;
  margin-top: 2rem;
  padding-left: 2rem;
}

.exp-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.section-experience .exp-timeline::before {
  background: var(--border);
  width: 1px;
  left: 6px;
}

.exp-timeline-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.exp-timeline-item:last-child {
  margin-bottom: 0;
}

.exp-timeline-dot {
  position: absolute;
  left: -2rem;
  top: 22px;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px var(--background);
}

.exp-timeline-icon {
  position: relative;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  min-width: 48px;
  overflow: hidden;
}

.exp-timeline-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.exp-timeline-icon-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--muted-foreground);
}

.exp-timeline-content {
  flex: 1;
  min-width: 0;
}

.exp-timeline-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  margin-bottom: 0.65rem;
  width: 100%;
}

.exp-timeline-role {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: var(--foreground);
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 100%;
}

.exp-at {
  font-weight: 500;
  color: var(--muted-foreground);
  margin-left: 0.1em;
}

.exp-timeline-org {
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 100%;
}

.exp-timeline-meta {
  font-size: 0.82rem;
  color: var(--muted-foreground);
  margin: 0.15rem 0 0;
  flex-shrink: 0;
  line-height: 1.45;
  max-width: 100%;
}

.exp-timeline-list {
  margin: 0 0 0.5rem;
  padding-left: 0;
  list-style: none;
}

.exp-timeline-list li {
  position: relative;
  padding-left: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
  font-size: 0.9rem;
  line-height: 1.55;
}

.exp-timeline-list li:last-child {
  margin-bottom: 0;
}

.exp-timeline-list li::before {
  content: "-\00a0";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 600;
}

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

.exp-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 6px;
}

.exp-tag-blue {
  background: rgba(59, 130, 246, 0.2);
  color: rgb(96, 165, 250);
}

.exp-tag-orange {
  background: rgba(251, 146, 60, 0.2);
  color: rgb(251, 146, 60);
}

.exp-tag-purple {
  background: rgba(167, 139, 250, 0.2);
  color: rgb(167, 139, 250);
}

.exp-tag-teal {
  background: rgba(45, 212, 191, 0.2);
  color: rgb(45, 212, 191);
}

.exp-tag-cyan {
  background: rgba(34, 211, 238, 0.2);
  color: rgb(34, 211, 238);
}

.exp-tag-green {
  background: rgba(34, 197, 94, 0.2);
  color: rgb(34, 197, 94);
}

.dark .exp-tag-blue {
  background: rgba(59, 130, 246, 0.25);
  color: rgb(147, 197, 253);
}

.dark .exp-tag-orange {
  background: rgba(251, 146, 60, 0.25);
  color: rgb(253, 186, 116);
}

.dark .exp-tag-purple {
  background: rgba(167, 139, 250, 0.25);
  color: rgb(196, 181, 253);
}

.dark .exp-tag-teal {
  background: rgba(45, 212, 191, 0.25);
  color: rgb(94, 234, 212);
}

.dark .exp-tag-cyan {
  background: rgba(34, 211, 238, 0.25);
  color: rgb(34, 211, 238);
}

.dark .exp-tag-green {
  background: rgba(34, 197, 94, 0.25);
  color: rgb(134, 239, 172);
}

.stack {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.item-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.exp-logo {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  overflow: hidden;
  display: block;
  position: relative;
}

.exp-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exp-logo img.exp-logo-light,
.exp-timeline-icon img.exp-logo-light {
  display: block;
}

.exp-logo img.exp-logo-dark,
.exp-timeline-icon img.exp-logo-dark {
  display: none;
  position: absolute;
  inset: 0;
}

.dark .exp-logo img.exp-logo-light,
.dark .exp-timeline-icon img.exp-logo-light {
  display: none;
}

.dark .exp-logo img.exp-logo-dark,
.dark .exp-timeline-icon img.exp-logo-dark {
  display: block;
}

.item-content {
  flex: 1;
  min-width: 0;
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.exp-company {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  color: var(--foreground);
}

.exp-meta {
  font-size: 0.85rem;
  color: var(--muted-foreground);
  margin: 0;
  flex-shrink: 0;
  text-align: right;
}

.exp-role {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--foreground);
  margin: 0 0 0.5rem;
}

.exp-gpa {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  margin: 0.5rem 0 0.75rem;
}

.exp-coursework-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--foreground);
  margin: 0 0 0.35rem;
}

.item-content .list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.item-content .list li {
  padding-left: 0;
}

.item-content .list li::before {
  content: "- ";
}

.item-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

/* Contact */
.contact-box {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2rem;
  margin-top: 1.5rem;
}

.contact-main {
  flex: 1;
  min-width: 0;
}

.contact-email {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--foreground);
}

.contact-email a {
  color: inherit;
  text-decoration: none;
}

.contact-email a:hover {
  text-decoration: underline;
}

.contact-message {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  margin: 0;
}

.contact-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.contact-social {
  width: 100%;
  margin: 1rem 0 0;
  font-size: 0.95rem;
  color: var(--muted-foreground);
}

.contact-social a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.contact-social a:hover {
  text-decoration: underline;
}

.contact-social-sep {
  margin: 0 0.5rem;
  color: var(--muted-foreground);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--card);
  color: var(--foreground);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.contact-btn:hover {
  border-color: var(--primary);
  background: var(--muted);
}

.contact-btn-send {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.contact-btn-send:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  text-decoration: underline;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 1.5rem 1.5rem 3rem;
  text-align: center;
  color: var(--muted-foreground);
}

/* Responsive */

@media (max-width: 768px) {
  html {
    scroll-padding-top: calc(3.25rem + env(safe-area-inset-top, 0px));
  }

  .skip-link {
    left: max(1rem, env(safe-area-inset-left, 0px));
  }

  .main-wrap {
    margin-left: 0;
    padding-top: calc(3.5rem + env(safe-area-inset-top, 0px));
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .sidebar {
    width: min(280px, 88vw);
    max-width: 85vw;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: flex;
    top: calc(1rem + env(safe-area-inset-top, 0px));
    left: calc(1rem + env(safe-area-inset-left, 0px));
  }

  .hero {
    min-height: auto;
    padding-bottom: 1.5rem;
  }

  .hero-content {
    padding: 1.5rem 1rem 1.25rem;
  }

  .hero h1 {
    font-size: clamp(1.65rem, 6.5vw + 0.35rem, 2.75rem);
    line-height: 1.15;
  }

  .hero-body {
    font-size: 0.875rem;
    line-height: 1.58;
    max-width: none;
    letter-spacing: 0.01em;
  }

  .hero-contact-links {
    justify-content: center;
    gap: 0.5rem;
  }

  .hero-contact-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }

  .hero-download-btn {
    padding: 0.85rem 1.5rem;
    font-size: 1rem;
    width: 100%;
    max-width: 20rem;
    justify-content: center;
  }

  .section {
    padding: 1.25rem 1rem 2rem;
  }

  .section > h2 {
    font-size: clamp(1.35rem, 4vw + 0.5rem, 1.75rem);
  }

  .skills-block {
    padding: 1rem 1rem;
  }

  .skills-block-title {
    font-size: 0.95rem;
  }

  .skill-tag {
    font-size: 0.65rem;
    padding: 0.22rem 0.5rem;
  }

  .project-card-title {
    font-size: 1.05rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .project-card-desc {
    font-size: 0.875rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .project-card-meta {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .project-card-tags {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .projects-show-more {
    min-height: 200px;
    font-size: 0.9rem;
  }

  .exp-timeline {
    padding-left: 1.35rem;
    margin-top: 1.5rem;
  }

  .section-experience .exp-timeline::before {
    left: 5px;
  }

  .exp-timeline-dot {
    left: -1.35rem;
    top: 18px;
  }

  .exp-timeline-item {
    gap: 0.65rem;
    margin-bottom: 2rem;
  }

  .exp-timeline-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  .exp-timeline-role {
    font-size: 0.95rem;
    line-height: 1.35;
  }

  .exp-timeline-org {
    font-size: 0.8rem;
    line-height: 1.4;
  }

  .exp-timeline-list li {
    font-size: 0.85rem;
    line-height: 1.6;
  }

  .exp-timeline-header {
    gap: 0.25rem;
  }

  .exp-timeline-meta {
    font-size: 0.78rem;
    margin-top: 0.2rem;
  }

  .item-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .exp-meta {
    text-align: left;
    font-size: 0.8rem;
  }

  .exp-company {
    font-size: 1.05rem;
    line-height: 1.3;
  }

  .site-footer {
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
    padding-bottom: max(2rem, env(safe-area-inset-bottom, 0px));
    font-size: 0.85rem;
  }

  .about-metadata {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .project-card-img {
    height: 200px;
  }

  .projects-show-more {
    min-height: 180px;
  }

  .surface.item {
    padding: 1rem;
  }

  .item-row {
    align-items: flex-start;
    gap: 0.75rem;
  }

  .exp-logo {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
  }

  .item-content {
    width: 100%;
    min-width: 0;
  }

  .item-header {
    width: 100%;
  }
}

@media (max-width: 380px) {
  html {
    font-size: 16px;
  }

  .hero-body {
    font-size: 0.8125rem;
    line-height: 1.55;
  }

  .hero-contact-links {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-contact-btn {
    justify-content: center;
  }

  .project-category {
    font-size: 0.6rem;
    letter-spacing: 0.03em;
  }
}

/* (Case study page styles removed — portfolio is now paper-first.) */
